diff options
Diffstat (limited to 'arch')
103 files changed, 5892 insertions, 754 deletions
diff --git a/arch/Kconfig b/arch/Kconfig index 0b12ed986c..762230cd56 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -54,6 +54,10 @@ config PPC select HAVE_PRIVATE_LIBGCC select SUPPORT_OF_CONTROL +config RISCV + bool "riscv architecture" + select SUPPORT_OF_CONTROL + config SANDBOX bool "Sandbox" select BOARD_LATE_INIT @@ -194,3 +198,4 @@ source "arch/sandbox/Kconfig" source "arch/sh/Kconfig" source "arch/x86/Kconfig" source "arch/xtensa/Kconfig" +source "arch/riscv/Kconfig" diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index f2c35e32c6..001ece3cf1 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -19,6 +19,36 @@ config POSITION_INDEPENDENT from almost any address. This logic relies on the relocation information that is embedded into the binary to support U-Boot relocating itself to the top-of-RAM later during execution. + +config SYS_INIT_SP_BSS_OFFSET + int + help + U-Boot typically uses a hard-coded value for the stack pointer + before relocation. Define this option to instead calculate the + initial SP at run-time. This is useful to avoid hard-coding addresses + into U-Boot, so that can be loaded and executed at arbitrary + addresses and thus avoid using arbitrary addresses at runtime. This + option's value is the offset added to &_bss_start in order to + calculate the stack pointer. This offset should be large enough so + that the early malloc region, global data (gd), and early stack usage + do not overlap any appended DTB. + +config LINUX_KERNEL_IMAGE_HEADER + bool + help + Place a Linux kernel image header at the start of the U-Boot binary. + The format of the header is described in the Linux kernel source at + Documentation/arm64/booting.txt. This feature is useful since the + image header reports the amount of memory (BSS and similar) that + U-Boot needs to use, but which isn't part of the binary. + +if LINUX_KERNEL_IMAGE_HEADER +config LNX_KRNL_IMG_TEXT_OFFSET_BASE + hex + help + The value subtracted from CONFIG_SYS_TEXT_BASE to calculate the + TEXT_OFFSET value written in to the Linux kernel image header. +endif endif config STATIC_RELA @@ -122,6 +152,9 @@ config ARM_ERRATA_852421 config ARM_ERRATA_852423 bool +config ARM_ERRATA_855873 + bool + config CPU_ARM720T bool select SYS_CACHE_SHIFT_5 diff --git a/arch/arm/cpu/arm1136/mx31/Makefile b/arch/arm/cpu/arm1136/mx31/Makefile index dcbd57065b..774f352ece 100644 --- a/arch/arm/cpu/arm1136/mx31/Makefile +++ b/arch/arm/cpu/arm1136/mx31/Makefile @@ -8,7 +8,4 @@ obj-y += generic.o obj-y += timer.o obj-y += devices.o - -ifndef CONFIG_SPL_BUILD -obj-y += relocate.o -endif +obj-y += relocate.o diff --git a/arch/arm/cpu/arm1136/mx35/Makefile b/arch/arm/cpu/arm1136/mx35/Makefile index 796db9c7cc..e4c8e2e684 100644 --- a/arch/arm/cpu/arm1136/mx35/Makefile +++ b/arch/arm/cpu/arm1136/mx35/Makefile @@ -10,7 +10,4 @@ obj-y += generic.o obj-y += timer.o obj-y += mx35_sdram.o - -ifndef CONFIG_SPL_BUILD -obj-y += relocate.o -endif +obj-y += relocate.o diff --git a/arch/arm/cpu/arm926ejs/mx25/Makefile b/arch/arm/cpu/arm926ejs/mx25/Makefile index ebc0407ef4..7d608c6082 100644 --- a/arch/arm/cpu/arm926ejs/mx25/Makefile +++ b/arch/arm/cpu/arm926ejs/mx25/Makefile @@ -4,8 +4,4 @@ # # SPDX-License-Identifier: GPL-2.0+ -obj-y = generic.o timer.o reset.o - -ifndef CONFIG_SPL_BUILD -obj-y += relocate.o -endif +obj-y += generic.o timer.o reset.o relocate.o diff --git a/arch/arm/cpu/arm926ejs/mx27/Makefile b/arch/arm/cpu/arm926ejs/mx27/Makefile index 0edf1445fe..7d608c6082 100644 --- a/arch/arm/cpu/arm926ejs/mx27/Makefile +++ b/arch/arm/cpu/arm926ejs/mx27/Makefile @@ -4,8 +4,4 @@ # # SPDX-License-Identifier: GPL-2.0+ -obj-y = generic.o reset.o timer.o - -ifndef CONFIG_SPL_BUILD -obj-y += relocate.o -endif +obj-y += generic.o timer.o reset.o relocate.o diff --git a/arch/arm/cpu/armv7/start.S b/arch/arm/cpu/armv7/start.S index 95a0b5224b..7e2695761e 100644 --- a/arch/arm/cpu/armv7/start.S +++ b/arch/arm/cpu/armv7/start.S @@ -239,55 +239,47 @@ skip_errata_801819: #endif #ifdef CONFIG_ARM_ERRATA_454179 + mrc p15, 0, r0, c1, c0, 1 @ Read ACR + cmp r2, #0x21 @ Only on < r2p1 - bge skip_errata_454179 + orrlt r0, r0, #(0x3 << 6) @ Set DBSM(BIT7) and IBE(BIT6) bits - mrc p15, 0, r0, c1, c0, 1 @ Read ACR - orr r0, r0, #(0x3 << 6) @ Set DBSM(BIT7) and IBE(BIT6) bits push {r1-r5} @ Save the cpu info registers bl v7_arch_cp15_set_acr pop {r1-r5} @ Restore the cpu info - fall through - -skip_errata_454179: #endif #ifdef CONFIG_ARM_ERRATA_430973 + mrc p15, 0, r0, c1, c0, 1 @ Read ACR + cmp r2, #0x21 @ Only on < r2p1 - bge skip_errata_430973 + orrlt r0, r0, #(0x1 << 6) @ Set IBE bit - mrc p15, 0, r0, c1, c0, 1 @ Read ACR - orr r0, r0, #(0x1 << 6) @ Set IBE bit push {r1-r5} @ Save the cpu info registers bl v7_arch_cp15_set_acr pop {r1-r5} @ Restore the cpu info - fall through - -skip_errata_430973: #endif #ifdef CONFIG_ARM_ERRATA_621766 + mrc p15, 0, r0, c1, c0, 1 @ Read ACR + cmp r2, #0x21 @ Only on < r2p1 - bge skip_errata_621766 + orrlt r0, r0, #(0x1 << 5) @ Set L1NEON bit - mrc p15, 0, r0, c1, c0, 1 @ Read ACR - orr r0, r0, #(0x1 << 5) @ Set L1NEON bit push {r1-r5} @ Save the cpu info registers bl v7_arch_cp15_set_acr pop {r1-r5} @ Restore the cpu info - fall through - -skip_errata_621766: #endif #ifdef CONFIG_ARM_ERRATA_725233 + mrc p15, 1, r0, c9, c0, 2 @ Read L2ACR + cmp r2, #0x21 @ Only on < r2p1 (Cortex A8) - bge skip_errata_725233 + orrlt r0, r0, #(0x1 << 27) @ L2 PLD data forwarding disable - mrc p15, 1, r0, c9, c0, 2 @ Read L2ACR - orr r0, r0, #(0x1 << 27) @ L2 PLD data forwarding disable push {r1-r5} @ Save the cpu info registers bl v7_arch_cp15_set_l2aux_ctrl pop {r1-r5} @ Restore the cpu info - fall through - -skip_errata_725233: #endif #ifdef CONFIG_ARM_ERRATA_852421 diff --git a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig index 6c03dfb1d5..cefbdfe855 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig +++ b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig @@ -1,6 +1,7 @@ config ARCH_LS1012A bool select ARMV8_SET_SMPEN + select ARM_ERRATA_855873 select FSL_LSCH2 select SYS_FSL_DDR_BE select SYS_FSL_MMDC @@ -16,6 +17,7 @@ config ARCH_LS1012A config ARCH_LS1043A bool select ARMV8_SET_SMPEN + select ARM_ERRATA_855873 select FSL_LSCH2 select SYS_FSL_DDR select SYS_FSL_DDR_BE @@ -68,6 +70,7 @@ config ARCH_LS1046A config ARCH_LS1088A bool select ARMV8_SET_SMPEN + select ARM_ERRATA_855873 select FSL_LSCH3 select SYS_FSL_DDR select SYS_FSL_DDR_LE @@ -493,8 +496,7 @@ config SYS_FSL_HAS_RGMII config SYS_MC_RSV_MEM_ALIGN hex "Management Complex reserved memory alignment" depends on RESV_RAM - default 0x20000000 if ARCH_LS2080A - default 0x70000000 if ARCH_LS1088A + default 0x20000000 if ARCH_LS2080A || ARCH_LS1088A help Reserved memory needs to be aligned for MC to use. Default value is 512MB. diff --git a/arch/arm/cpu/armv8/fsl-layerscape/Makefile b/arch/arm/cpu/armv8/fsl-layerscape/Makefile index 115c3fc1d1..0cb6d4eb4d 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/Makefile +++ b/arch/arm/cpu/armv8/fsl-layerscape/Makefile @@ -7,8 +7,10 @@ obj-y += cpu.o obj-y += lowlevel.o obj-y += soc.o +ifndef CONFIG_SPL_BUILD obj-$(CONFIG_MP) += mp.o obj-$(CONFIG_OF_LIBFDT) += fdt.o +endif obj-$(CONFIG_SPL) += spl.o obj-$(CONFIG_$(SPL_)FSL_LS_PPA) += ppa.o diff --git a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c index 00d2564c79..1e0030cbfb 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c +++ b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c @@ -30,6 +30,7 @@ #endif #include <asm/arch/clock.h> #include <hwconfig.h> +#include <fsl_qbman.h> DECLARE_GLOBAL_DATA_PTR; @@ -565,6 +566,9 @@ int arch_early_init_r(void) #ifdef CONFIG_FMAN_ENET fman_enet_init(); #endif +#ifdef CONFIG_SYS_DPAA_QBMAN + setup_qbman_portals(); +#endif return 0; } diff --git a/arch/arm/cpu/armv8/fsl-layerscape/fdt.c b/arch/arm/cpu/armv8/fsl-layerscape/fdt.c index 39ffe1ab4d..80af318822 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/fdt.c +++ b/arch/arm/cpu/armv8/fsl-layerscape/fdt.c @@ -26,6 +26,8 @@ #ifdef CONFIG_ARMV8_SEC_FIRMWARE_SUPPORT #include <asm/armv8/sec_firmware.h> #endif +#include <asm/arch/speed.h> +#include <fsl_qbman.h> int fdt_fixup_phy_connection(void *blob, int offset, phy_interface_t phyc) { @@ -442,6 +444,13 @@ void ft_cpu_setup(void *blob, bd_t *bd) fdt_fixup_esdhc(blob, bd); #endif +#ifdef CONFIG_SYS_DPAA_QBMAN + fdt_fixup_bportals(blob); + fdt_fixup_qportals(blob); + do_fixup_by_compat_u32(blob, "fsl,qman", + "clock-frequency", get_qman_freq(), 1); +#endif + #ifdef CONFIG_SYS_DPAA_FMAN fdt_fixup_fman_firmware(blob); #endif diff --git a/arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch2_speed.c b/arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch2_speed.c index 2d7775e54f..5f23aadc2c 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch2_speed.c +++ b/arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch2_speed.c @@ -155,8 +155,22 @@ void get_sys_info(struct sys_info *sys_info) sys_info->freq_localbus = sys_info->freq_systembus / CONFIG_SYS_FSL_IFC_CLK_DIV; #endif +#ifdef CONFIG_SYS_DPAA_QBMAN + sys_info->freq_qman = sys_info->freq_systembus; +#endif } +#ifdef CONFIG_SYS_DPAA_QBMAN +unsigned long get_qman_freq(void) +{ + struct sys_info sys_info; + + get_sys_info(&sys_info); + + return sys_info.freq_qman; +} +#endif + int get_clocks(void) { struct sys_info sys_info; diff --git a/arch/arm/cpu/armv8/fsl-layerscape/soc.c b/arch/arm/cpu/armv8/fsl-layerscape/soc.c index ae57c0e31d..dc4a437344 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/soc.c +++ b/arch/arm/cpu/armv8/fsl-layerscape/soc.c @@ -341,6 +341,8 @@ int sata_init(void) #ifdef CONFIG_SYS_SATA2 ccsr_ahci = (void *)CONFIG_SYS_SATA2; out_le32(&ccsr_ahci->ppcfg, AHCI_PORT_PHY_1_CFG); + out_le32(&ccsr_ahci->pp2c, AHCI_PORT_PHY2_CFG); + out_le32(&ccsr_ahci->pp3c, AHCI_PORT_PHY3_CFG); out_le32(&ccsr_ahci->ptc, AHCI_PORT_TRANS_CFG); out_le32(&ccsr_ahci->axicc, AHCI_PORT_AXICC_CFG); #endif @@ -348,6 +350,8 @@ int sata_init(void) #ifdef CONFIG_SYS_SATA1 ccsr_ahci = (void *)CONFIG_SYS_SATA1; out_le32(&ccsr_ahci->ppcfg, AHCI_PORT_PHY_1_CFG); + out_le32(&ccsr_ahci->pp2c, AHCI_PORT_PHY2_CFG); + out_le32(&ccsr_ahci->pp3c, AHCI_PORT_PHY3_CFG); out_le32(&ccsr_ahci->ptc, AHCI_PORT_TRANS_CFG); out_le32(&ccsr_ahci->axicc, AHCI_PORT_AXICC_CFG); @@ -368,6 +372,8 @@ int sata_init(void) /* Disable SATA ECC */ out_le32((void *)CONFIG_SYS_DCSR_DCFG_ADDR + 0x520, 0x80000000); out_le32(&ccsr_ahci->ppcfg, AHCI_PORT_PHY_1_CFG); + out_le32(&ccsr_ahci->pp2c, AHCI_PORT_PHY2_CFG); + out_le32(&ccsr_ahci->pp3c, AHCI_PORT_PHY3_CFG); out_le32(&ccsr_ahci->ptc, AHCI_PORT_TRANS_CFG); out_le32(&ccsr_ahci->axicc, AHCI_PORT_AXICC_CFG); diff --git a/arch/arm/cpu/armv8/linux-kernel-image-header-vars.h b/arch/arm/cpu/armv8/linux-kernel-image-header-vars.h new file mode 100644 index 0000000000..3e720937f0 --- /dev/null +++ b/arch/arm/cpu/armv8/linux-kernel-image-header-vars.h @@ -0,0 +1,86 @@ +/* + * (C) Copyright 2017 NVIDIA Corporation <www.nvidia.com> + * + * Derived from Linux kernel v4.14 files: + * + * arch/arm64/include/asm/assembler.h: + * Based on arch/arm/include/asm/assembler.h, arch/arm/mm/proc-macros.S + * Copyright (C) 1996-2000 Russell King + * Copyright (C) 2012 ARM Ltd. + * + * arch/arm64/kernel/head.S: + * Based on arch/arm/kernel/head.S + * Copyright (C) 1994-2002 Russell King + * Copyright (C) 2003-2012 ARM Ltd. + * Authors: Catalin Marinas <catalin.marinas@arm.com> + * Will Deacon <will.deacon@arm.com> + * + * arch/arm64/kernel/image.h: + * Copyright (C) 2014 ARM Ltd. + * + * SPDX-License-Identifier: GPL-2.0 + */ + +/* + * There aren't any ELF relocations we can use to endian-swap values known only + * at link time (e.g. the subtraction of two symbol addresses), so we must get + * the linker to endian-swap certain values before emitting them. + * + * Note that, in order for this to work when building the ELF64 PIE executable + * (for KASLR), these values should not be referenced via R_AARCH64_ABS64 + * relocations, since these are fixed up at runtime rather than at build time + * when PIE is in effect. So we need to split them up in 32-bit high and low + * words. + */ +#ifdef CONFIG_CPU_BIG_ENDIAN +#define DATA_LE32(data) \ + ((((data) & 0x000000ff) << 24) | \ + (((data) & 0x0000ff00) << 8) | \ + (((data) & 0x00ff0000) >> 8) | \ + (((data) & 0xff000000) >> 24)) +#else +#define DATA_LE32(data) ((data) & 0xffffffff) +#endif + +#define DEFINE_IMAGE_LE64(sym, data) \ + sym##_lo32 = DATA_LE32((data) & 0xffffffff); \ + sym##_hi32 = DATA_LE32((data) >> 32) + +#define __MAX(a, b) (((a) > (b)) ? (a) : (b)) +#define __CODE_DATA_SIZE (__bss_start - _start) +#define __BSS_SIZE (__bss_end - __bss_start) +#ifdef CONFIG_SYS_INIT_SP_BSS_OFFSET +#define __MAX_EXTRA_RAM_USAGE __MAX(__BSS_SIZE, CONFIG_SYS_INIT_SP_BSS_OFFSET) +#else +#define __MAX_EXTRA_RAM_USAGE __BSS_SIZE +#endif +#define __MEM_USAGE (__CODE_DATA_SIZE + __MAX_EXTRA_RAM_USAGE) + +#ifdef CONFIG_CPU_BIG_ENDIAN +#define __HEAD_FLAG_BE 1 +#else +#define __HEAD_FLAG_BE 0 +#endif + +#define __HEAD_FLAG_PAGE_SIZE 1 /* 4K hard-coded */ + +#define __HEAD_FLAG_PHYS_BASE 1 + +#define __HEAD_FLAGS ((__HEAD_FLAG_BE << 0) | \ + (__HEAD_FLAG_PAGE_SIZE << 1) | \ + (__HEAD_FLAG_PHYS_BASE << 3)) + +#define TEXT_OFFSET (CONFIG_SYS_TEXT_BASE - \ + CONFIG_LNX_KRNL_IMG_TEXT_OFFSET_BASE) + +/* + * These will output as part of the Image header, which should be little-endian + * regardless of the endianness of the kernel. While constant values could be + * endian swapped in head.S, all are done here for consistency. + */ +#define HEAD_SYMBOLS \ + DEFINE_IMAGE_LE64(_kernel_size_le, __MEM_USAGE); \ + DEFINE_IMAGE_LE64(_kernel_offset_le, TEXT_OFFSET); \ + DEFINE_IMAGE_LE64(_kernel_flags_le, __HEAD_FLAGS); + + HEAD_SYMBOLS diff --git a/arch/arm/cpu/armv8/start.S b/arch/arm/cpu/armv8/start.S index 03e744e4a6..7a98a1c95d 100644 --- a/arch/arm/cpu/armv8/start.S +++ b/arch/arm/cpu/armv8/start.S @@ -19,7 +19,9 @@ .globl _start _start: -#ifdef CONFIG_ENABLE_ARM_SOC_BOOT0_HOOK +#if defined(LINUX_KERNEL_IMAGE_HEADER) +#include <asm/boot0-linux-kernel-header.h> +#elif defined(CONFIG_ENABLE_ARM_SOC_BOOT0_HOOK) /* * Various SoCs need something special and SoC-specific up front in * order to boot, allow them to set that in their boot0.h file and then @@ -196,7 +198,10 @@ reset_sctrl: WEAK(apply_core_errata) mov x29, lr /* Save LR */ - /* For now, we support Cortex-A57 specific errata only */ + /* For now, we support Cortex-A53, Cortex-A57 specific errata */ + + /* Check if we are running on a Cortex-A53 core */ + branch_if_a53_core x0, apply_a53_core_errata /* Check if we are running on a Cortex-A57 core */ branch_if_a57_core x0, apply_a57_core_errata @@ -204,6 +209,25 @@ WEAK(apply_core_errata) mov lr, x29 /* Restore LR */ ret +apply_a53_core_errata: + +#ifdef CONFIG_ARM_ERRATA_855873 + mrs x0, midr_el1 + tst x0, #(0xf << 20) + b.ne 0b + + mrs x0, midr_el1 + and x0, x0, #0xf + cmp x0, #3 + b.lt 0b + + mrs x0, S3_1_c15_c2_0 /* cpuactlr_el1 */ + /* Enable data cache clean as data cache clean/invalidate */ + orr x0, x0, #1 << 44 + msr S3_1_c15_c2_0, x0 /* cpuactlr_el1 */ +#endif + b 0b + apply_a57_core_errata: #ifdef CONFIG_ARM_ERRATA_828024 diff --git a/arch/arm/cpu/armv8/u-boot.lds b/arch/arm/cpu/armv8/u-boot.lds index 22195b8834..7b76e0f9f0 100644 --- a/arch/arm/cpu/armv8/u-boot.lds +++ b/arch/arm/cpu/armv8/u-boot.lds @@ -159,4 +159,8 @@ SECTIONS /DISCARD/ : { *(.plt*) } /DISCARD/ : { *(.interp*) } /DISCARD/ : { *(.gnu*) } + +#ifdef CONFIG_LINUX_KERNEL_IMAGE_HEADER +#include "linux-kernel-image-header-vars.h" +#endif } diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile index a895c70284..bbc4f476d0 100644 --- a/arch/arm/dts/Makefile +++ b/arch/arm/dts/Makefile @@ -213,6 +213,9 @@ dtb-$(CONFIG_FSL_LSCH2) += fsl-ls1043a-qds-duart.dtb \ dtb-$(CONFIG_ARCH_SNAPDRAGON) += dragonboard410c.dtb +dtb-$(CONFIG_STM32F4) += stm32f429-disco.dtb \ + stm32f469-disco.dtb + dtb-$(CONFIG_STM32F7) += stm32f746-disco.dtb \ stm32f769-disco.dtb dtb-$(CONFIG_STM32H7) += stm32h743i-disco.dtb \ @@ -329,6 +332,7 @@ dtb-$(CONFIG_MACH_SUN8I_A83T) += \ dtb-$(CONFIG_MACH_SUN8I_H3) += \ sun8i-h2-plus-orangepi-zero.dtb \ sun8i-h3-bananapi-m2-plus.dtb \ + sun8i-h3-libretech-all-h3-cc.dtb \ sun8i-h3-orangepi-2.dtb \ sun8i-h3-orangepi-lite.dtb \ sun8i-h3-orangepi-one.dtb \ diff --git a/arch/arm/dts/armada-385-amc.dts b/arch/arm/dts/armada-385-amc.dts index 5e1588d574..d4d127fa02 100644 --- a/arch/arm/dts/armada-385-amc.dts +++ b/arch/arm/dts/armada-385-amc.dts @@ -53,7 +53,7 @@ aliases { ethernet0 = ð0; - ethernet1 = ð1; + ethernet1 = ð2; i2c0 = &i2c0; spi1 = &spi1; }; diff --git a/arch/arm/dts/bcm283x.dtsi b/arch/arm/dts/bcm283x.dtsi index 05a6f489af..e45ba584e0 100644 --- a/arch/arm/dts/bcm283x.dtsi +++ b/arch/arm/dts/bcm283x.dtsi @@ -246,7 +246,7 @@ jtag_gpio4: jtag_gpio4 { brcm,pins = <4 5 6 12 13>; - brcm,function = <BCM2835_FSEL_ALT4>; + brcm,function = <BCM2835_FSEL_ALT5>; }; jtag_gpio22: jtag_gpio22 { brcm,pins = <22 23 24 25 26 27>; diff --git a/arch/arm/dts/fsl-ls1012a-qds.dtsi b/arch/arm/dts/fsl-ls1012a-qds.dtsi index dde7134626..d17cd99ed9 100644 --- a/arch/arm/dts/fsl-ls1012a-qds.dtsi +++ b/arch/arm/dts/fsl-ls1012a-qds.dtsi @@ -121,3 +121,8 @@ &duart0 { status = "okay"; }; + +&usb0 { + status = "okay"; + phy_type = "ulpi"; +}; diff --git a/arch/arm/dts/stm32f4-pinctrl.dtsi b/arch/arm/dts/stm32f4-pinctrl.dtsi new file mode 100644 index 0000000000..736bca738d --- /dev/null +++ b/arch/arm/dts/stm32f4-pinctrl.dtsi @@ -0,0 +1,375 @@ +/* + * Copyright (C) 2017, STMicroelectronics - All Rights Reserved + * Author(s): Alexandre Torgue <alexandre.torgue@st.com> for STMicroelectronics. + * + * This file is dual-licensed: you can use it either under the terms + * of the GPL or the X11 license, at your option. Note that this dual + * licensing only applies to this file, and not this project as a + * whole. + * + * a) This file is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This file is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * Or, alternatively, + * + * b) Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#include <dt-bindings/pinctrl/stm32-pinfunc.h> +#include <dt-bindings/mfd/stm32f4-rcc.h> + +/ { + soc { + pinctrl: pin-controller { + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0x40020000 0x3000>; + interrupt-parent = <&exti>; + st,syscfg = <&syscfg 0x8>; + pins-are-numbered; + + gpioa: gpio@40020000 { + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + reg = <0x0 0x400>; + clocks = <&rcc 0 STM32F4_AHB1_CLOCK(GPIOA)>; + st,bank-name = "GPIOA"; + }; + + gpiob: gpio@40020400 { + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + reg = <0x400 0x400>; + clocks = <&rcc 0 STM32F4_AHB1_CLOCK(GPIOB)>; + st,bank-name = "GPIOB"; + }; + + gpioc: gpio@40020800 { + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + reg = <0x800 0x400>; + clocks = <&rcc 0 STM32F4_AHB1_CLOCK(GPIOC)>; + st,bank-name = "GPIOC"; + }; + + gpiod: gpio@40020c00 { + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + reg = <0xc00 0x400>; + clocks = <&rcc 0 STM32F4_AHB1_CLOCK(GPIOD)>; + st,bank-name = "GPIOD"; + }; + + gpioe: gpio@40021000 { + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + reg = <0x1000 0x400>; + clocks = <&rcc 0 STM32F4_AHB1_CLOCK(GPIOE)>; + st,bank-name = "GPIOE"; + }; + + gpiof: gpio@40021400 { + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + reg = <0x1400 0x400>; + clocks = <&rcc 0 STM32F4_AHB1_CLOCK(GPIOF)>; + st,bank-name = "GPIOF"; + }; + + gpiog: gpio@40021800 { + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + reg = <0x1800 0x400>; + clocks = <&rcc 0 STM32F4_AHB1_CLOCK(GPIOG)>; + st,bank-name = "GPIOG"; + }; + + gpioh: gpio@40021c00 { + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + reg = <0x1c00 0x400>; + clocks = <&rcc 0 STM32F4_AHB1_CLOCK(GPIOH)>; + st,bank-name = "GPIOH"; + }; + + gpioi: gpio@40022000 { + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + reg = <0x2000 0x400>; + clocks = <&rcc 0 STM32F4_AHB1_CLOCK(GPIOI)>; + st,bank-name = "GPIOI"; + }; + + gpioj: gpio@40022400 { + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + reg = <0x2400 0x400>; + clocks = <&rcc 0 STM32F4_AHB1_CLOCK(GPIOJ)>; + st,bank-name = "GPIOJ"; + }; + + gpiok: gpio@40022800 { + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + reg = <0x2800 0x400>; + clocks = <&rcc 0 STM32F4_AHB1_CLOCK(GPIOK)>; + st,bank-name = "GPIOK"; + }; + + usart1_pins_a: usart1@0 { + pins1 { + pinmux = <STM32_PINMUX('A', 9, AF7)>; /* USART1_TX */ + bias-disable; + drive-push-pull; + slew-rate = <0>; + }; + pins2 { + pinmux = <STM32_PINMUX('A', 10, AF7)>; /* USART1_RX */ + bias-disable; + }; + }; + + usart3_pins_a: usart3@0 { + pins1 { + pinmux = <STM32_PINMUX('B', 10, AF7)>; /* USART3_TX */ + bias-disable; + drive-push-pull; + slew-rate = <0>; + }; + pins2 { + pinmux = <STM32_PINMUX('B', 11, AF7)>; /* USART3_RX */ + bias-disable; + }; + }; + + usbotg_fs_pins_a: usbotg_fs@0 { + pins { + pinmux = <STM32_PINMUX('A', 10, AF10)>, /* OTG_FS_ID */ + <STM32_PINMUX('A', 11, AF10)>, /* OTG_FS_DM */ + <STM32_PINMUX('A', 12, AF10)>; /* OTG_FS_DP */ + bias-disable; + drive-push-pull; + slew-rate = <2>; + }; + }; + + usbotg_fs_pins_b: usbotg_fs@1 { + pins { + pinmux = <STM32_PINMUX('B', 12, AF12)>, /* OTG_HS_ID */ + <STM32_PINMUX('B', 14, AF12)>, /* OTG_HS_DM */ + <STM32_PINMUX('B', 15, AF12)>; /* OTG_HS_DP */ + bias-disable; + drive-push-pull; + slew-rate = <2>; + }; + }; + + usbotg_hs_pins_a: usbotg_hs@0 { + pins { + pinmux = <STM32_PINMUX('H', 4, AF10)>, /* OTG_HS_ULPI_NXT*/ + <STM32_PINMUX('I', 11, AF10)>, /* OTG_HS_ULPI_DIR */ + <STM32_PINMUX('C', 0, AF10)>, /* OTG_HS_ULPI_STP */ + <STM32_PINMUX('A', 5, AF10)>, /* OTG_HS_ULPI_CK */ + <STM32_PINMUX('A', 3, AF10)>, /* OTG_HS_ULPI_D0 */ + <STM32_PINMUX('B', 0, AF10)>, /* OTG_HS_ULPI_D1 */ + <STM32_PINMUX('B', 1, AF10)>, /* OTG_HS_ULPI_D2 */ + <STM32_PINMUX('B', 10, AF10)>, /* OTG_HS_ULPI_D3 */ + <STM32_PINMUX('B', 11, AF10)>, /* OTG_HS_ULPI_D4 */ + <STM32_PINMUX('B', 12, AF10)>, /* OTG_HS_ULPI_D5 */ + <STM32_PINMUX('B', 13, AF10)>, /* OTG_HS_ULPI_D6 */ + <STM32_PINMUX('B', 5, AF10)>; /* OTG_HS_ULPI_D7 */ + bias-disable; + drive-push-pull; + slew-rate = <2>; + }; + }; + + ethernet_mii: mii@0 { + pins { + pinmux = <STM32_PINMUX('G', 13, AF11)>, /* ETH_MII_TXD0_ETH_RMII_TXD0 */ + <STM32_PINMUX('G', 14, AF11)>, /* ETH_MII_TXD1_ETH_RMII_TXD1 */ + <STM32_PINMUX('C', 2, AF11)>, /* ETH_MII_TXD2 */ + <STM32_PINMUX('B', 8, AF11)>, /* ETH_MII_TXD3 */ + <STM32_PINMUX('C', 3, AF11)>, /* ETH_MII_TX_CLK */ + <STM32_PINMUX('G', 11,AF11)>, /* ETH_MII_TX_EN_ETH_RMII_TX_EN */ + <STM32_PINMUX('A', 2, AF11)>, /* ETH_MDIO */ + <STM32_PINMUX('C', 1, AF11)>, /* ETH_MDC */ + <STM32_PINMUX('A', 1, AF11)>, /* ETH_MII_RX_CLK_ETH_RMII_REF_CLK */ + <STM32_PINMUX('A', 7, AF11)>, /* ETH_MII_RX_DV_ETH_RMII_CRS_DV */ + <STM32_PINMUX('C', 4, AF11)>, /* ETH_MII_RXD0_ETH_RMII_RXD0 */ + <STM32_PINMUX('C', 5, AF11)>, /* ETH_MII_RXD1_ETH_RMII_RXD1 */ + <STM32_PINMUX('H', 6, AF11)>, /* ETH_MII_RXD2 */ + <STM32_PINMUX('H', 7, AF11)>; /* ETH_MII_RXD3 */ + slew-rate = <2>; + }; + }; + + adc3_in8_pin: adc@200 { + pins { + pinmux = <STM32_PINMUX('F', 10, ANALOG)>; + }; + }; + + pwm1_pins: pwm@1 { + pins { + pinmux = <STM32_PINMUX('A', 8, AF1)>, /* TIM1_CH1 */ + <STM32_PINMUX('B', 13, AF1)>, /* TIM1_CH1N */ + <STM32_PINMUX('B', 12, AF1)>; /* TIM1_BKIN */ + }; + }; + + pwm3_pins: pwm@3 { + pins { + pinmux = <STM32_PINMUX('B', 4, AF2)>, /* TIM3_CH1 */ + <STM32_PINMUX('B', 5, AF2)>; /* TIM3_CH2 */ + }; + }; + + i2c1_pins: i2c1@0 { + pins { + pinmux = <STM32_PINMUX('B', 9, AF4)>, /* I2C1_SDA */ + <STM32_PINMUX('B', 6, AF4)>; /* I2C1_SCL */ + bias-disable; + drive-open-drain; + slew-rate = <3>; + }; + }; + + ltdc_pins: ltdc@0 { + pins { + pinmux = <STM32_PINMUX('I', 12, AF14)>, /* LCD_HSYNC */ + <STM32_PINMUX('I', 13, AF14)>, /* LCD_VSYNC */ + <STM32_PINMUX('I', 14, AF14)>, /* LCD_CLK */ + <STM32_PINMUX('I', 15, AF14)>, /* LCD_R0 */ + <STM32_PINMUX('J', 0, AF14)>, /* LCD_R1 */ + <STM32_PINMUX('J', 1, AF14)>, /* LCD_R2 */ + <STM32_PINMUX('J', 2, AF14)>, /* LCD_R3 */ + <STM32_PINMUX('J', 3, AF14)>, /* LCD_R4 */ + <STM32_PINMUX('J', 4, AF14)>, /* LCD_R5 */ + <STM32_PINMUX('J', 5, AF14)>, /* LCD_R6*/ + <STM32_PINMUX('J', 6, AF14)>, /* LCD_R7 */ + <STM32_PINMUX('J', 7, AF14)>, /* LCD_G0 */ + <STM32_PINMUX('J', 8, AF14)>, /* LCD_G1 */ + <STM32_PINMUX('J', 9, AF14)>, /* LCD_G2 */ + <STM32_PINMUX('J', 10, AF14)>, /* LCD_G3 */ + <STM32_PINMUX('J', 11, AF14)>, /* LCD_G4 */ + <STM32_PINMUX('J', 12, AF14)>, /* LCD_B0 */ + <STM32_PINMUX('J', 13, AF14)>, /* LCD_B1 */ + <STM32_PINMUX('J', 14, AF14)>, /* LCD_B2 */ + <STM32_PINMUX('J', 15, AF14)>, /* LCD_B3*/ + <STM32_PINMUX('K', 0, AF14)>, /* LCD_G5 */ + <STM32_PINMUX('K', 1, AF14)>, /* LCD_G6 */ + <STM32_PINMUX('K', 2, AF14)>, /* LCD_G7 */ + <STM32_PINMUX('K', 3, AF14)>, /* LCD_B4 */ + <STM32_PINMUX('K', 4, AF14)>, /* LCD_B5 */ + <STM32_PINMUX('K', 5, AF14)>, /* LCD_B6 */ + <STM32_PINMUX('K', 6, AF14)>, /* LCD_B7 */ + <STM32_PINMUX('K', 7, AF14)>; /* LCD_DE */ + slew-rate = <2>; + }; + }; + + dcmi_pins: dcmi@0 { + pins { + pinmux = <STM32_PINMUX('A', 4, AF13)>, /* DCMI_HSYNC */ + <STM32_PINMUX('B', 7, AF13)>, /* DCMI_VSYNC */ + <STM32_PINMUX('A', 6, AF13)>, /* DCMI_PIXCLK */ + <STM32_PINMUX('C', 6, AF13)>, /* DCMI_D0 */ + <STM32_PINMUX('C', 7, AF13)>, /* DCMI_D1 */ + <STM32_PINMUX('C', 8, AF13)>, /* DCMI_D2 */ + <STM32_PINMUX('C', 9, AF13)>, /* DCMI_D3 */ + <STM32_PINMUX('C', 11, AF13)>, /*DCMI_D4 */ + <STM32_PINMUX('D', 3, AF13)>, /* DCMI_D5 */ + <STM32_PINMUX('B', 8, AF13)>, /* DCMI_D6 */ + <STM32_PINMUX('E', 6, AF13)>, /* DCMI_D7 */ + <STM32_PINMUX('C', 10, AF13)>, /* DCMI_D8 */ + <STM32_PINMUX('C', 12, AF13)>, /* DCMI_D9 */ + <STM32_PINMUX('D', 6, AF13)>, /* DCMI_D10 */ + <STM32_PINMUX('D', 2, AF13)>; /* DCMI_D11 */ + bias-disable; + drive-push-pull; + slew-rate = <3>; + }; + }; + + sdio_pins: sdio_pins@0 { + pins { + pinmux = <STM32_PINMUX('C', 8, AF12)>, + <STM32_PINMUX('C', 9, AF12)>, + <STM32_PINMUX('C', 10, AF12)>, + <STM32_PINMUX('c', 11, AF12)>, + <STM32_PINMUX('C', 12, AF12)>, + <STM32_PINMUX('D', 2, AF12)>; + drive-push-pull; + slew-rate = <2>; + }; + }; + + sdio_pins_od: sdio_pins_od@0 { + pins1 { + pinmux = <STM32_PINMUX('C', 8, AF12)>, + <STM32_PINMUX('C', 9, AF12)>, + <STM32_PINMUX('C', 10, AF12)>, + <STM32_PINMUX('C', 11, AF12)>, + <STM32_PINMUX('C', 12, AF12)>; + drive-push-pull; + slew-rate = <2>; + }; + + pins2 { + pinmux = <STM32_PINMUX('D', 2, AF12)>; + drive-open-drain; + slew-rate = <2>; + }; + }; + }; + }; +}; diff --git a/arch/arm/dts/stm32f429-disco-u-boot.dtsi b/arch/arm/dts/stm32f429-disco-u-boot.dtsi new file mode 100644 index 0000000000..59dda436b4 --- /dev/null +++ b/arch/arm/dts/stm32f429-disco-u-boot.dtsi @@ -0,0 +1,204 @@ +/* + * Copyright (C) 2017, STMicroelectronics - All Rights Reserved + * Author(s): Patrice Chotard, <patrice.chotard@st.com> for STMicroelectronics. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <dt-bindings/memory/stm32-sdram.h> +/{ + clocks { + u-boot,dm-pre-reloc; + }; + + aliases { + /* Aliases for gpios so as to use sequence */ + gpio0 = &gpioa; + gpio1 = &gpiob; + gpio2 = &gpioc; + gpio3 = &gpiod; + gpio4 = &gpioe; + gpio5 = &gpiof; + gpio6 = &gpiog; + gpio7 = &gpioh; + gpio8 = &gpioi; + gpio9 = &gpioj; + gpio10 = &gpiok; + }; + + soc { + u-boot,dm-pre-reloc; + pin-controller { + u-boot,dm-pre-reloc; + }; + + fmc: fmc@A0000000 { + compatible = "st,stm32-fmc"; + reg = <0xA0000000 0x1000>; + clocks = <&rcc 0 STM32F4_AHB3_CLOCK(FMC)>; + pinctrl-0 = <&fmc_pins>; + pinctrl-names = "default"; + u-boot,dm-pre-reloc; + + /* + * Memory configuration from sdram datasheet + * IS42S16400J + */ + bank1: bank@1 { + st,sdram-control = /bits/ 8 <NO_COL_8 + NO_ROW_12 + MWIDTH_16 + BANKS_4 + CAS_3 + SDCLK_2 + RD_BURST_EN + RD_PIPE_DL_0>; + st,sdram-timing = /bits/ 8 <TMRD_3 + TXSR_7 + TRAS_4 + TRC_6 + TWR_2 + TRP_2 TRCD_2>; + st,sdram-refcount = < 1386 >; + }; + }; + }; +}; + +&clk_hse { + u-boot,dm-pre-reloc; +}; + +&clk_lse { + u-boot,dm-pre-reloc; +}; + +&clk_i2s_ckin { + u-boot,dm-pre-reloc; +}; + +&pwrcfg { + u-boot,dm-pre-reloc; +}; + +&rcc { + u-boot,dm-pre-reloc; +}; + +&gpioa { + compatible = "st,stm32-gpio"; + u-boot,dm-pre-reloc; +}; + +&gpiob { + compatible = "st,stm32-gpio"; + u-boot,dm-pre-reloc; +}; + +&gpioc { + compatible = "st,stm32-gpio"; + u-boot,dm-pre-reloc; +}; + +&gpiod { + compatible = "st,stm32-gpio"; + u-boot,dm-pre-reloc; +}; + +&gpioe { + compatible = "st,stm32-gpio"; + u-boot,dm-pre-reloc; +}; + +&gpiof { + compatible = "st,stm32-gpio"; + u-boot,dm-pre-reloc; +}; + +&gpiog { + compatible = "st,stm32-gpio"; + u-boot,dm-pre-reloc; +}; + +&gpioh { + compatible = "st,stm32-gpio"; + u-boot,dm-pre-reloc; +}; + +&gpioi { + compatible = "st,stm32-gpio"; + u-boot,dm-pre-reloc; +}; + +&gpioj { + compatible = "st,stm32-gpio"; + u-boot,dm-pre-reloc; +}; + +&gpiok { + compatible = "st,stm32-gpio"; + u-boot,dm-pre-reloc; +}; + +&pinctrl { + usart1_pins_a: usart1@0 { + u-boot,dm-pre-reloc; + pins1 { + u-boot,dm-pre-reloc; + }; + pins2 { + u-boot,dm-pre-reloc; + }; + }; + + fmc_pins: fmc@0 { + u-boot,dm-pre-reloc; + pins + { + pinmux = <STM32_PINMUX('D',10, AF12)>, /* D15 */ + <STM32_PINMUX('D', 9, AF12)>, /* D14 */ + <STM32_PINMUX('D', 8, AF12)>, /* D13 */ + <STM32_PINMUX('E',15, AF12)>, /* D12 */ + <STM32_PINMUX('E',14, AF12)>, /* D11 */ + <STM32_PINMUX('E',13, AF12)>, /* D10 */ + <STM32_PINMUX('E',12, AF12)>, /* D09 */ + <STM32_PINMUX('E',11, AF12)>, /* D08 */ + <STM32_PINMUX('E',10, AF12)>, /* D07 */ + <STM32_PINMUX('E', 9, AF12)>, /* D06 */ + <STM32_PINMUX('E', 8, AF12)>, /* D05 */ + <STM32_PINMUX('E', 7, AF12)>, /* D04 */ + <STM32_PINMUX('D', 1, AF12)>, /* D03 */ + <STM32_PINMUX('D', 0, AF12)>, /* D02 */ + <STM32_PINMUX('D',15, AF12)>, /* D01 */ + <STM32_PINMUX('D',14, AF12)>, /* D00 */ + + <STM32_PINMUX('E', 0, AF12)>, /* NBL0 */ + <STM32_PINMUX('E', 1, AF12)>, /* NBL1 */ + + <STM32_PINMUX('G', 5, AF12)>, /* BA1 */ + <STM32_PINMUX('G', 4, AF12)>, /* BA0 */ + + <STM32_PINMUX('G', 1, AF12)>, /* A11 */ + <STM32_PINMUX('G', 0, AF12)>, /* A10 */ + <STM32_PINMUX('F',15, AF12)>, /* A09 */ + <STM32_PINMUX('F',14, AF12)>, /* A08 */ + <STM32_PINMUX('F',13, AF12)>, /* A07 */ + <STM32_PINMUX('F',12, AF12)>, /* A06 */ + <STM32_PINMUX('F', 5, AF12)>, /* A05 */ + <STM32_PINMUX('F', 4, AF12)>, /* A04 */ + <STM32_PINMUX('F', 3, AF12)>, /* A03 */ + <STM32_PINMUX('F', 2, AF12)>, /* A02 */ + <STM32_PINMUX('F', 1, AF12)>, /* A01 */ + <STM32_PINMUX('F', 0, AF12)>, /* A00 */ + + <STM32_PINMUX('B', 6, AF12)>, /* SDNE1 */ + <STM32_PINMUX('C', 0, AF12)>, /* SDNWE */ + <STM32_PINMUX('F',11, AF12)>, /* SDNRAS */ + <STM32_PINMUX('G',15, AF12)>, /* SDNCAS */ + <STM32_PINMUX('B', 5, AF12)>, /* SDCKE1 */ + <STM32_PINMUX('G', 8, AF12)>; /* SDCLK */ + slew-rate = <2>; + u-boot,dm-pre-reloc; + }; + }; +}; diff --git a/arch/arm/dts/stm32f429-disco.dts b/arch/arm/dts/stm32f429-disco.dts new file mode 100644 index 0000000000..e914b6b74e --- /dev/null +++ b/arch/arm/dts/stm32f429-disco.dts @@ -0,0 +1,124 @@ +/* + * Copyright (C) 2015, STMicroelectronics - All Rights Reserved + * Author(s): Maxime Coquelin <mcoquelin.stm32@gmail.com> for STMicroelectronics. + * + * This file is dual-licensed: you can use it either under the terms + * of the GPL or the X11 license, at your option. Note that this dual + * licensing only applies to this file, and not this project as a + * whole. + * + * a) This file is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This file is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * Or, alternatively, + * + * b) Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +/dts-v1/; +#include "stm32f429.dtsi" +#include "stm32f429-pinctrl.dtsi" +#include <dt-bindings/input/input.h> + +/ { + model = "STMicroelectronics STM32F429i-DISCO board"; + compatible = "st,stm32f429i-disco", "st,stm32f429"; + + chosen { + bootargs = "root=/dev/ram"; + stdout-path = "serial0:115200n8"; + }; + + memory { + reg = <0x90000000 0x800000>; + }; + + aliases { + serial0 = &usart1; + }; + + leds { + compatible = "gpio-leds"; + red { + gpios = <&gpiog 14 0>; + }; + green { + gpios = <&gpiog 13 0>; + linux,default-trigger = "heartbeat"; + }; + }; + + gpio_keys { + compatible = "gpio-keys"; + #address-cells = <1>; + #size-cells = <0>; + autorepeat; + button@0 { + label = "User"; + linux,code = <KEY_HOME>; + gpios = <&gpioa 0 0>; + }; + }; + + /* This turns on vbus for otg for host mode (dwc2) */ + vcc5v_otg: vcc5v-otg-regulator { + compatible = "regulator-fixed"; + gpio = <&gpioc 4 0>; + regulator-name = "vcc5_host1"; + regulator-always-on; + }; +}; + +&clk_hse { + clock-frequency = <8000000>; +}; + +&crc { + status = "okay"; +}; + +&rtc { + assigned-clocks = <&rcc 1 CLK_RTC>; + assigned-clock-parents = <&rcc 1 CLK_LSI>; + status = "okay"; +}; + +&usart1 { + pinctrl-0 = <&usart1_pins_a>; + pinctrl-names = "default"; + status = "okay"; +}; + +&usbotg_hs { + compatible = "st,stm32f4x9-fsotg"; + dr_mode = "host"; + pinctrl-0 = <&usbotg_fs_pins_b>; + pinctrl-names = "default"; + status = "okay"; +}; diff --git a/arch/arm/dts/stm32f429-pinctrl.dtsi b/arch/arm/dts/stm32f429-pinctrl.dtsi new file mode 100644 index 0000000000..77246b3d79 --- /dev/null +++ b/arch/arm/dts/stm32f429-pinctrl.dtsi @@ -0,0 +1,96 @@ +/* + * Copyright (C) 2017, STMicroelectronics - All Rights Reserved + * Author(s): Alexandre Torgue <alexandre.torgue@st.com> for STMicroelectronics. + * + * This file is dual-licensed: you can use it either under the terms + * of the GPL or the X11 license, at your option. Note that this dual + * licensing only applies to this file, and not this project as a + * whole. + * + * a) This file is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This file is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * Or, alternatively, + * + * b) Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "stm32f4-pinctrl.dtsi" + +/ { + soc { + pinctrl: pin-controller { + compatible = "st,stm32f429-pinctrl"; + + gpioa: gpio@40020000 { + gpio-ranges = <&pinctrl 0 0 16>; + }; + + gpiob: gpio@40020400 { + gpio-ranges = <&pinctrl 0 16 16>; + }; + + gpioc: gpio@40020800 { + gpio-ranges = <&pinctrl 0 32 16>; + }; + + gpiod: gpio@40020c00 { + gpio-ranges = <&pinctrl 0 48 16>; + }; + + gpioe: gpio@40021000 { + gpio-ranges = <&pinctrl 0 64 16>; + }; + + gpiof: gpio@40021400 { + gpio-ranges = <&pinctrl 0 80 16>; + }; + + gpiog: gpio@40021800 { + gpio-ranges = <&pinctrl 0 96 16>; + }; + + gpioh: gpio@40021c00 { + gpio-ranges = <&pinctrl 0 112 16>; + }; + + gpioi: gpio@40022000 { + gpio-ranges = <&pinctrl 0 128 16>; + }; + + gpioj: gpio@40022400 { + gpio-ranges = <&pinctrl 0 144 16>; + }; + + gpiok: gpio@40022800 { + gpio-ranges = <&pinctrl 0 160 8>; + }; + }; + }; +}; diff --git a/arch/arm/dts/stm32f429.dtsi b/arch/arm/dts/stm32f429.dtsi new file mode 100644 index 0000000000..6bcf9863e0 --- /dev/null +++ b/arch/arm/dts/stm32f429.dtsi @@ -0,0 +1,711 @@ +/* + * Copyright (C) 2015, STMicroelectronics - All Rights Reserved + * Author(s): Maxime Coquelin <mcoquelin.stm32@gmail.com> for STMicroelectronics. + * + * This file is dual-licensed: you can use it either under the terms + * of the GPL or the X11 license, at your option. Note that this dual + * licensing only applies to this file, and not this project as a + * whole. + * + * a) This file is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This file is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * Or, alternatively, + * + * b) Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "skeleton.dtsi" +#include "armv7-m.dtsi" +#include <dt-bindings/clock/stm32fx-clock.h> +#include <dt-bindings/mfd/stm32f4-rcc.h> + +/ { + clocks { + clk_hse: clk-hse { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <0>; + }; + + clk_lse: clk-lse { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <32768>; + }; + + clk_lsi: clk-lsi { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <32000>; + }; + + clk_i2s_ckin: i2s-ckin { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <0>; + }; + }; + + soc { + timer2: timer@40000000 { + compatible = "st,stm32-timer"; + reg = <0x40000000 0x400>; + interrupts = <28>; + clocks = <&rcc 0 STM32F4_APB1_CLOCK(TIM2)>; + status = "disabled"; + }; + + timers2: timers@40000000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "st,stm32-timers"; + reg = <0x40000000 0x400>; + clocks = <&rcc 0 STM32F4_APB1_CLOCK(TIM2)>; + clock-names = "int"; + status = "disabled"; + + pwm { + compatible = "st,stm32-pwm"; + status = "disabled"; + }; + + timer@1 { + compatible = "st,stm32-timer-trigger"; + reg = <1>; + status = "disabled"; + }; + }; + + timer3: timer@40000400 { + compatible = "st,stm32-timer"; + reg = <0x40000400 0x400>; + interrupts = <29>; + clocks = <&rcc 0 STM32F4_APB1_CLOCK(TIM3)>; + status = "disabled"; + }; + + timers3: timers@40000400 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "st,stm32-timers"; + reg = <0x40000400 0x400>; + clocks = <&rcc 0 STM32F4_APB1_CLOCK(TIM3)>; + clock-names = "int"; + status = "disabled"; + + pwm { + compatible = "st,stm32-pwm"; + status = "disabled"; + }; + + timer@2 { + compatible = "st,stm32-timer-trigger"; + reg = <2>; + status = "disabled"; + }; + }; + + timer4: timer@40000800 { + compatible = "st,stm32-timer"; + reg = <0x40000800 0x400>; + interrupts = <30>; + clocks = <&rcc 0 STM32F4_APB1_CLOCK(TIM4)>; + status = "disabled"; + }; + + timers4: timers@40000800 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "st,stm32-timers"; + reg = <0x40000800 0x400>; + clocks = <&rcc 0 STM32F4_APB1_CLOCK(TIM4)>; + clock-names = "int"; + status = "disabled"; + + pwm { + compatible = "st,stm32-pwm"; + status = "disabled"; + }; + + timer@3 { + compatible = "st,stm32-timer-trigger"; + reg = <3>; + status = "disabled"; + }; + }; + + timer5: timer@40000c00 { + compatible = "st,stm32-timer"; + reg = <0x40000c00 0x400>; + interrupts = <50>; + clocks = <&rcc 0 STM32F4_APB1_CLOCK(TIM5)>; + }; + + timers5: timers@40000c00 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "st,stm32-timers"; + reg = <0x40000C00 0x400>; + clocks = <&rcc 0 STM32F4_APB1_CLOCK(TIM5)>; + clock-names = "int"; + status = "disabled"; + + pwm { + compatible = "st,stm32-pwm"; + status = "disabled"; + }; + + timer@4 { + compatible = "st,stm32-timer-trigger"; + reg = <4>; + status = "disabled"; + }; + }; + + timer6: timer@40001000 { + compatible = "st,stm32-timer"; + reg = <0x40001000 0x400>; + interrupts = <54>; + clocks = <&rcc 0 STM32F4_APB1_CLOCK(TIM6)>; + status = "disabled"; + }; + + timers6: timers@40001000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "st,stm32-timers"; + reg = <0x40001000 0x400>; + clocks = <&rcc 0 STM32F4_APB1_CLOCK(TIM6)>; + clock-names = "int"; + status = "disabled"; + + timer@5 { + compatible = "st,stm32-timer-trigger"; + reg = <5>; + status = "disabled"; + }; + }; + + timer7: timer@40001400 { + compatible = "st,stm32-timer"; + reg = <0x40001400 0x400>; + interrupts = <55>; + clocks = <&rcc 0 STM32F4_APB1_CLOCK(TIM7)>; + status = "disabled"; + }; + + timers7: timers@40001400 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "st,stm32-timers"; + reg = <0x40001400 0x400>; + clocks = <&rcc 0 STM32F4_APB1_CLOCK(TIM7)>; + clock-names = "int"; + status = "disabled"; + + timer@6 { + compatible = "st,stm32-timer-trigger"; + reg = <6>; + status = "disabled"; + }; + }; + + timers12: timers@40001800 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "st,stm32-timers"; + reg = <0x40001800 0x400>; + clocks = <&rcc 0 STM32F4_APB1_CLOCK(TIM12)>; + clock-names = "int"; + status = "disabled"; + + pwm { + compatible = "st,stm32-pwm"; + status = "disabled"; + }; + + timer@11 { + compatible = "st,stm32-timer-trigger"; + reg = <11>; + status = "disabled"; + }; + }; + + timers13: timers@40001c00 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "st,stm32-timers"; + reg = <0x40001C00 0x400>; + clocks = <&rcc 0 STM32F4_APB1_CLOCK(TIM13)>; + clock-names = "int"; + status = "disabled"; + + pwm { + compatible = "st,stm32-pwm"; + status = "disabled"; + }; + }; + + timers14: timers@40002000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "st,stm32-timers"; + reg = <0x40002000 0x400>; + clocks = <&rcc 0 STM32F4_APB1_CLOCK(TIM14)>; + clock-names = "int"; + status = "disabled"; + + pwm { + compatible = "st,stm32-pwm"; + status = "disabled"; + }; + }; + + rtc: rtc@40002800 { + compatible = "st,stm32-rtc"; + reg = <0x40002800 0x400>; + clocks = <&rcc 1 CLK_RTC>; + clock-names = "ck_rtc"; + assigned-clocks = <&rcc 1 CLK_RTC>; + assigned-clock-parents = <&rcc 1 CLK_LSE>; + interrupt-parent = <&exti>; + interrupts = <17 1>; + interrupt-names = "alarm"; + st,syscfg = <&pwrcfg>; + status = "disabled"; + }; + + iwdg: watchdog@40003000 { + compatible = "st,stm32-iwdg"; + reg = <0x40003000 0x400>; + clocks = <&clk_lsi>; + status = "disabled"; + }; + + usart2: serial@40004400 { + compatible = "st,stm32-uart"; + reg = <0x40004400 0x400>; + interrupts = <38>; + clocks = <&rcc 0 STM32F4_APB1_CLOCK(UART2)>; + status = "disabled"; + }; + + usart3: serial@40004800 { + compatible = "st,stm32-uart"; + reg = <0x40004800 0x400>; + interrupts = <39>; + clocks = <&rcc 0 STM32F4_APB1_CLOCK(UART3)>; + status = "disabled"; + dmas = <&dma1 1 4 0x400 0x0>, + <&dma1 3 4 0x400 0x0>; + dma-names = "rx", "tx"; + }; + + usart4: serial@40004c00 { + compatible = "st,stm32-uart"; + reg = <0x40004c00 0x400>; + interrupts = <52>; + clocks = <&rcc 0 STM32F4_APB1_CLOCK(UART4)>; + status = "disabled"; + }; + + usart5: serial@40005000 { + compatible = "st,stm32-uart"; + reg = <0x40005000 0x400>; + interrupts = <53>; + clocks = <&rcc 0 STM32F4_APB1_CLOCK(UART5)>; + status = "disabled"; + }; + + i2c1: i2c@40005400 { + compatible = "st,stm32f4-i2c"; + reg = <0x40005400 0x400>; + interrupts = <31>, + <32>; + resets = <&rcc STM32F4_APB1_RESET(I2C1)>; + clocks = <&rcc 0 STM32F4_APB1_CLOCK(I2C1)>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; + + dac: dac@40007400 { + compatible = "st,stm32f4-dac-core"; + reg = <0x40007400 0x400>; + resets = <&rcc STM32F4_APB1_RESET(DAC)>; + clocks = <&rcc 0 STM32F4_APB1_CLOCK(DAC)>; + clock-names = "pclk"; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + + dac1: dac@1 { + compatible = "st,stm32-dac"; + #io-channels-cells = <1>; + reg = <1>; + status = "disabled"; + }; + + dac2: dac@2 { + compatible = "st,stm32-dac"; + #io-channels-cells = <1>; + reg = <2>; + status = "disabled"; + }; + }; + + usart7: serial@40007800 { + compatible = "st,stm32-uart"; + reg = <0x40007800 0x400>; + interrupts = <82>; + clocks = <&rcc 0 STM32F4_APB1_CLOCK(UART7)>; + status = "disabled"; + }; + + usart8: serial@40007c00 { + compatible = "st,stm32-uart"; + reg = <0x40007c00 0x400>; + interrupts = <83>; + clocks = <&rcc 0 STM32F4_APB1_CLOCK(UART8)>; + status = "disabled"; + }; + + timers1: timers@40010000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "st,stm32-timers"; + reg = <0x40010000 0x400>; + clocks = <&rcc 0 STM32F4_APB2_CLOCK(TIM1)>; + clock-names = "int"; + status = "disabled"; + + pwm { + compatible = "st,stm32-pwm"; + status = "disabled"; + }; + + timer@0 { + compatible = "st,stm32-timer-trigger"; + reg = <0>; + status = "disabled"; + }; + }; + + timers8: timers@40010400 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "st,stm32-timers"; + reg = <0x40010400 0x400>; + clocks = <&rcc 0 STM32F4_APB2_CLOCK(TIM8)>; + clock-names = "int"; + status = "disabled"; + + pwm { + compatible = "st,stm32-pwm"; + status = "disabled"; + }; + + timer@7 { + compatible = "st,stm32-timer-trigger"; + reg = <7>; + status = "disabled"; + }; + }; + + usart1: serial@40011000 { + compatible = "st,stm32-uart"; + reg = <0x40011000 0x400>; + interrupts = <37>; + clocks = <&rcc 0 STM32F4_APB2_CLOCK(USART1)>; + status = "disabled"; + dmas = <&dma2 2 4 0x400 0x0>, + <&dma2 7 4 0x400 0x0>; + dma-names = "rx", "tx"; + }; + + usart6: serial@40011400 { + compatible = "st,stm32-uart"; + reg = <0x40011400 0x400>; + interrupts = <71>; + clocks = <&rcc 0 STM32F4_APB2_CLOCK(USART6)>; + status = "disabled"; + }; + + adc: adc@40012000 { + compatible = "st,stm32f4-adc-core"; + reg = <0x40012000 0x400>; + interrupts = <18>; + clocks = <&rcc 0 STM32F4_APB2_CLOCK(ADC1)>; + clock-names = "adc"; + interrupt-controller; + #interrupt-cells = <1>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + + adc1: adc@0 { + compatible = "st,stm32f4-adc"; + #io-channel-cells = <1>; + reg = <0x0>; + clocks = <&rcc 0 STM32F4_APB2_CLOCK(ADC1)>; + interrupt-parent = <&adc>; + interrupts = <0>; + dmas = <&dma2 0 0 0x400 0x0>; + dma-names = "rx"; + status = "disabled"; + }; + + adc2: adc@100 { + compatible = "st,stm32f4-adc"; + #io-channel-cells = <1>; + reg = <0x100>; + clocks = <&rcc 0 STM32F4_APB2_CLOCK(ADC2)>; + interrupt-parent = <&adc>; + interrupts = <1>; + dmas = <&dma2 3 1 0x400 0x0>; + dma-names = "rx"; + status = "disabled"; + }; + + adc3: adc@200 { + compatible = "st,stm32f4-adc"; + #io-channel-cells = <1>; + reg = <0x200>; + clocks = <&rcc 0 STM32F4_APB2_CLOCK(ADC3)>; + interrupt-parent = <&adc>; + interrupts = <2>; + dmas = <&dma2 1 2 0x400 0x0>; + dma-names = "rx"; + status = "disabled"; + }; + }; + + syscfg: system-config@40013800 { + compatible = "syscon"; + reg = <0x40013800 0x400>; + }; + + exti: interrupt-controller@40013c00 { + compatible = "st,stm32-exti"; + interrupt-controller; + #interrupt-cells = <2>; + reg = <0x40013C00 0x400>; + interrupts = <1>, <2>, <3>, <6>, <7>, <8>, <9>, <10>, <23>, <40>, <41>, <42>, <62>, <76>; + }; + + timers9: timers@40014000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "st,stm32-timers"; + reg = <0x40014000 0x400>; + clocks = <&rcc 0 STM32F4_APB2_CLOCK(TIM9)>; + clock-names = "int"; + status = "disabled"; + + pwm { + compatible = "st,stm32-pwm"; + status = "disabled"; + }; + + timer@8 { + compatible = "st,stm32-timer-trigger"; + reg = <8>; + status = "disabled"; + }; + }; + + timers10: timers@40014400 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "st,stm32-timers"; + reg = <0x40014400 0x400>; + clocks = <&rcc 0 STM32F4_APB2_CLOCK(TIM10)>; + clock-names = "int"; + status = "disabled"; + + pwm { + compatible = "st,stm32-pwm"; + status = "disabled"; + }; + }; + + timers11: timers@40014800 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "st,stm32-timers"; + reg = <0x40014800 0x400>; + clocks = <&rcc 0 STM32F4_APB2_CLOCK(TIM11)>; + clock-names = "int"; + status = "disabled"; + + pwm { + compatible = "st,stm32-pwm"; + status = "disabled"; + }; + }; + + pwrcfg: power-config@40007000 { + compatible = "syscon"; + reg = <0x40007000 0x400>; + }; + + sdio: sdio@40012c00 { + compatible = "st,stm32f4xx-sdio"; + reg = <0x40012c00 0x400>; + clocks = <&rcc 0 171>; + interrupts = <49>; + status = "disabled"; + pinctrl-0 = <&sdio_pins>; + pinctrl-1 = <&sdio_pins_od>; + pinctrl-names = "default", "opendrain"; + max-frequency = <48000000>; + }; + + ltdc: display-controller@40016800 { + compatible = "st,stm32-ltdc"; + reg = <0x40016800 0x200>; + interrupts = <88>, <89>; + resets = <&rcc STM32F4_APB2_RESET(LTDC)>; + clocks = <&rcc 1 CLK_LCD>; + clock-names = "lcd"; + status = "disabled"; + }; + + crc: crc@40023000 { + compatible = "st,stm32f4-crc"; + reg = <0x40023000 0x400>; + clocks = <&rcc 0 STM32F4_AHB1_CLOCK(CRC)>; + status = "disabled"; + }; + + rcc: rcc@40023810 { + #reset-cells = <1>; + #clock-cells = <2>; + compatible = "st,stm32f42xx-rcc", "st,stm32-rcc"; + reg = <0x40023800 0x400>; + clocks = <&clk_hse>, <&clk_i2s_ckin>; + st,syscfg = <&pwrcfg>; + assigned-clocks = <&rcc 1 CLK_HSE_RTC>; + assigned-clock-rates = <1000000>; + }; + + dma1: dma-controller@40026000 { + compatible = "st,stm32-dma"; + reg = <0x40026000 0x400>; + interrupts = <11>, + <12>, + <13>, + <14>, + <15>, + <16>, + <17>, + <47>; + clocks = <&rcc 0 STM32F4_AHB1_CLOCK(DMA1)>; + #dma-cells = <4>; + }; + + dma2: dma-controller@40026400 { + compatible = "st,stm32-dma"; + reg = <0x40026400 0x400>; + interrupts = <56>, + <57>, + <58>, + <59>, + <60>, + <68>, + <69>, + <70>; + clocks = <&rcc 0 STM32F4_AHB1_CLOCK(DMA2)>; + #dma-cells = <4>; + st,mem2mem; + }; + + mac: ethernet@40028000 { + compatible = "st,stm32-dwmac", "snps,dwmac-3.50a"; + reg = <0x40028000 0x8000>; + reg-names = "stmmaceth"; + interrupts = <61>; + interrupt-names = "macirq"; + clock-names = "stmmaceth", "mac-clk-tx", "mac-clk-rx"; + clocks = <&rcc 0 STM32F4_AHB1_CLOCK(ETHMAC)>, + <&rcc 0 STM32F4_AHB1_CLOCK(ETHMACTX)>, + <&rcc 0 STM32F4_AHB1_CLOCK(ETHMACRX)>; + st,syscon = <&syscfg 0x4>; + snps,pbl = <8>; + snps,mixed-burst; + status = "disabled"; + }; + + usbotg_hs: usb@40040000 { + compatible = "snps,dwc2"; + reg = <0x40040000 0x40000>; + interrupts = <77>; + clocks = <&rcc 0 STM32F4_AHB1_CLOCK(OTGHS)>; + clock-names = "otg"; + status = "disabled"; + }; + + usbotg_fs: usb@50000000 { + compatible = "st,stm32f4x9-fsotg"; + reg = <0x50000000 0x40000>; + interrupts = <67>; + clocks = <&rcc 0 39>; + clock-names = "otg"; + status = "disabled"; + }; + + dcmi: dcmi@50050000 { + compatible = "st,stm32-dcmi"; + reg = <0x50050000 0x400>; + interrupts = <78>; + resets = <&rcc STM32F4_AHB2_RESET(DCMI)>; + clocks = <&rcc 0 STM32F4_AHB2_CLOCK(DCMI)>; + clock-names = "mclk"; + pinctrl-names = "default"; + pinctrl-0 = <&dcmi_pins>; + dmas = <&dma2 1 1 0x414 0x3>; + dma-names = "tx"; + status = "disabled"; + }; + + rng: rng@50060800 { + compatible = "st,stm32-rng"; + reg = <0x50060800 0x400>; + interrupts = <80>; + clocks = <&rcc 0 STM32F4_AHB2_CLOCK(RNG)>; + + }; + }; +}; + +&systick { + clocks = <&rcc 1 SYSTICK>; + status = "okay"; +}; diff --git a/arch/arm/dts/stm32f469-disco-u-boot.dtsi b/arch/arm/dts/stm32f469-disco-u-boot.dtsi new file mode 100644 index 0000000000..094bab4fe8 --- /dev/null +++ b/arch/arm/dts/stm32f469-disco-u-boot.dtsi @@ -0,0 +1,230 @@ +/* + * Copyright (C) 2017, STMicroelectronics - All Rights Reserved + * Author(s): Patrice Chotard, <patrice.chotard@st.com> for STMicroelectronics. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <dt-bindings/memory/stm32-sdram.h> +/{ + clocks { + u-boot,dm-pre-reloc; + }; + + aliases { + /* Aliases for gpios so as to use sequence */ + gpio0 = &gpioa; + gpio1 = &gpiob; + gpio2 = &gpioc; + gpio3 = &gpiod; + gpio4 = &gpioe; + gpio5 = &gpiof; + gpio6 = &gpiog; + gpio7 = &gpioh; + gpio8 = &gpioi; + gpio9 = &gpioj; + gpio10 = &gpiok; + }; + + soc { + u-boot,dm-pre-reloc; + pin-controller { + u-boot,dm-pre-reloc; + }; + + fmc: fmc@A0000000 { + compatible = "st,stm32-fmc"; + reg = <0xA0000000 0x1000>; + clocks = <&rcc 0 STM32F4_AHB3_CLOCK(FMC)>; + st,syscfg = <&syscfg>; + pinctrl-0 = <&fmc_pins_d32>; + pinctrl-names = "default"; + st,mem_remap = <4>; + u-boot,dm-pre-reloc; + + /* + * Memory configuration from sdram + * MICRON MT48LC4M32B2B5-6A + */ + bank0: bank@0 { + st,sdram-control = /bits/ 8 <NO_COL_8 + NO_ROW_12 + MWIDTH_32 + BANKS_4 + CAS_3 + SDCLK_2 + RD_BURST_EN + RD_PIPE_DL_0>; + st,sdram-timing = /bits/ 8 <TMRD_2 + TXSR_6 + TRAS_4 + TRC_6 + TWR_2 + TRP_2 + TRCD_2>; + st,sdram-refcount = < 1292 >; + }; + }; + }; +}; + +&clk_hse { + u-boot,dm-pre-reloc; +}; + +&clk_lse { + u-boot,dm-pre-reloc; +}; + +&clk_i2s_ckin { + u-boot,dm-pre-reloc; +}; + +&pwrcfg { + u-boot,dm-pre-reloc; +}; + +&syscfg { + u-boot,dm-pre-reloc; +}; + +&rcc { + u-boot,dm-pre-reloc; +}; + +&gpioa { + compatible = "st,stm32-gpio"; + u-boot,dm-pre-reloc; +}; + +&gpiob { + compatible = "st,stm32-gpio"; + u-boot,dm-pre-reloc; +}; + +&gpioc { + compatible = "st,stm32-gpio"; + u-boot,dm-pre-reloc; +}; + +&gpiod { + compatible = "st,stm32-gpio"; + u-boot,dm-pre-reloc; +}; + +&gpioe { + compatible = "st,stm32-gpio"; + u-boot,dm-pre-reloc; +}; + +&gpiof { + compatible = "st,stm32-gpio"; + u-boot,dm-pre-reloc; +}; + +&gpiog { + compatible = "st,stm32-gpio"; + u-boot,dm-pre-reloc; +}; + +&gpioh { + compatible = "st,stm32-gpio"; + u-boot,dm-pre-reloc; +}; + +&gpioi { + compatible = "st,stm32-gpio"; + u-boot,dm-pre-reloc; +}; + +&gpioj { + compatible = "st,stm32-gpio"; + u-boot,dm-pre-reloc; +}; + +&gpiok { + compatible = "st,stm32-gpio"; + u-boot,dm-pre-reloc; +}; + +&pinctrl { + usart3_pins_a: usart3@0 { + u-boot,dm-pre-reloc; + pins1 { + u-boot,dm-pre-reloc; + }; + pins2 { + u-boot,dm-pre-reloc; + }; + }; + + fmc_pins_d32: fmc_d32@0 { + u-boot,dm-pre-reloc; + pins + { + pinmux = <STM32_PINMUX('I',10, AF12)>, /* D31 */ + <STM32_PINMUX('I', 9, AF12)>, /* D30 */ + <STM32_PINMUX('I', 7, AF12)>, /* D29 */ + <STM32_PINMUX('I', 6, AF12)>, /* D28 */ + <STM32_PINMUX('I', 3, AF12)>, /* D27 */ + <STM32_PINMUX('I', 2, AF12)>, /* D26 */ + <STM32_PINMUX('I', 1, AF12)>, /* D25 */ + <STM32_PINMUX('I', 0, AF12)>, /* D24 */ + <STM32_PINMUX('H',15, AF12)>, /* D23 */ + <STM32_PINMUX('H',14, AF12)>, /* D22 */ + <STM32_PINMUX('H',13, AF12)>, /* D21 */ + <STM32_PINMUX('H',12, AF12)>, /* D20 */ + <STM32_PINMUX('H',11, AF12)>, /* D19 */ + <STM32_PINMUX('H',10, AF12)>, /* D18 */ + <STM32_PINMUX('H', 9, AF12)>, /* D17 */ + <STM32_PINMUX('H', 8, AF12)>, /* D16 */ + + <STM32_PINMUX('D',10, AF12)>, /* D15 */ + <STM32_PINMUX('D', 9, AF12)>, /* D14 */ + <STM32_PINMUX('D', 8, AF12)>, /* D13 */ + <STM32_PINMUX('E',15, AF12)>, /* D12 */ + <STM32_PINMUX('E',14, AF12)>, /* D11 */ + <STM32_PINMUX('E',13, AF12)>, /* D10 */ + <STM32_PINMUX('E',12, AF12)>, /* D09 */ + <STM32_PINMUX('E',11, AF12)>, /* D08 */ + <STM32_PINMUX('E',10, AF12)>, /* D07 */ + <STM32_PINMUX('E', 9, AF12)>, /* D06 */ + <STM32_PINMUX('E', 8, AF12)>, /* D05 */ + <STM32_PINMUX('E', 7, AF12)>, /* D04 */ + <STM32_PINMUX('D', 1, AF12)>, /* D03 */ + <STM32_PINMUX('D', 0, AF12)>, /* D02 */ + <STM32_PINMUX('D',15, AF12)>, /* D01 */ + <STM32_PINMUX('D',14, AF12)>, /* D00 */ + + <STM32_PINMUX('E', 0, AF12)>, /* NBL0 */ + <STM32_PINMUX('E', 1, AF12)>, /* NBL1 */ + <STM32_PINMUX('I', 4, AF12)>, /* NBL2 */ + <STM32_PINMUX('I', 5, AF12)>, /* NBL3 */ + + <STM32_PINMUX('G', 5, AF12)>, /* BA1 */ + <STM32_PINMUX('G', 4, AF12)>, /* BA0 */ + + <STM32_PINMUX('G', 1, AF12)>, /* A11 */ + <STM32_PINMUX('G', 0, AF12)>, /* A10 */ + <STM32_PINMUX('F',15, AF12)>, /* A09 */ + <STM32_PINMUX('F',14, AF12)>, /* A08 */ + <STM32_PINMUX('F',13, AF12)>, /* A07 */ + <STM32_PINMUX('F',12, AF12)>, /* A06 */ + <STM32_PINMUX('F', 5, AF12)>, /* A05 */ + <STM32_PINMUX('F', 4, AF12)>, /* A04 */ + <STM32_PINMUX('F', 3, AF12)>, /* A03 */ + <STM32_PINMUX('F', 2, AF12)>, /* A02 */ + <STM32_PINMUX('F', 1, AF12)>, /* A01 */ + <STM32_PINMUX('F', 0, AF12)>, /* A00 */ + + <STM32_PINMUX('H', 3, AF12)>, /* SDNE0 */ + <STM32_PINMUX('C', 0, AF12)>, /* SDNWE */ + <STM32_PINMUX('F',11, AF12)>, /* SDNRAS */ + <STM32_PINMUX('G',15, AF12)>, /* SDNCAS */ + <STM32_PINMUX('H', 2, AF12)>, /* SDCKE0 */ + <STM32_PINMUX('G', 8, AF12)>; /* SDCLK> */ + slew-rate = <2>; + u-boot,dm-pre-reloc; + }; + }; +}; diff --git a/arch/arm/dts/stm32f469-disco.dts b/arch/arm/dts/stm32f469-disco.dts new file mode 100644 index 0000000000..3ecef28673 --- /dev/null +++ b/arch/arm/dts/stm32f469-disco.dts @@ -0,0 +1,145 @@ +/* + * Copyright 2016 - Lee Jones <lee.jones@linaro.org> + * + * This file is dual-licensed: you can use it either under the terms + * of the GPL or the X11 license, at your option. Note that this dual + * licensing only applies to this file, and not this project as a + * whole. + * + * a) This file is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This file is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * Or, alternatively, + * + * b) Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +/dts-v1/; +#include "stm32f429.dtsi" +#include "stm32f469-pinctrl.dtsi" + +/ { + model = "STMicroelectronics STM32F469i-DISCO board"; + compatible = "st,stm32f469i-disco", "st,stm32f469"; + + chosen { + bootargs = "root=/dev/ram"; + stdout-path = "serial0:115200n8"; + }; + + memory { + reg = <0x00000000 0x1000000>; + }; + + aliases { + serial0 = &usart3; + }; + + mmc_vcard: mmc_vcard { + compatible = "regulator-fixed"; + regulator-name = "mmc_vcard"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + }; + + soc { + dma-ranges = <0xc0000000 0x0 0x10000000>; + }; + + /* This turns on vbus for otg for host mode (dwc2) */ + vcc5v_otg: vcc5v-otg-regulator { + compatible = "regulator-fixed"; + enable-active-high; + gpio = <&gpiob 2 0>; + regulator-name = "vcc5_host1"; + regulator-always-on; + }; +}; + +&rcc { + compatible = "st,stm32f469-rcc", "st,stm32f42xx-rcc", "st,stm32-rcc"; +}; + +&clk_hse { + clock-frequency = <8000000>; +}; + +&rtc { + status = "okay"; +}; + +&timers1 { + status = "okay"; + + pwm { + pinctrl-0 = <&pwm1_pins>; + pinctrl-names = "default"; + status = "okay"; + }; + + timer@0 { + status = "okay"; + }; +}; + +&timers3 { + status = "okay"; + + pwm { + pinctrl-0 = <&pwm3_pins>; + pinctrl-names = "default"; + status = "okay"; + }; + + timer@2 { + status = "okay"; + }; +}; + +&sdio { + status = "okay"; + vmmc-supply = <&mmc_vcard>; + pinctrl-names = "default", "opendrain"; + pinctrl-0 = <&sdio_pins>; + pinctrl-1 = <&sdio_pins_od>; + bus-width = <4>; +}; + +&usart3 { + pinctrl-0 = <&usart3_pins_a>; + pinctrl-names = "default"; + status = "okay"; +}; + +&usbotg_fs { + dr_mode = "host"; + pinctrl-0 = <&usbotg_fs_pins_a>; + pinctrl-names = "default"; + status = "okay"; +}; diff --git a/arch/arm/dts/stm32f469-pinctrl.dtsi b/arch/arm/dts/stm32f469-pinctrl.dtsi new file mode 100644 index 0000000000..dd641580c9 --- /dev/null +++ b/arch/arm/dts/stm32f469-pinctrl.dtsi @@ -0,0 +1,97 @@ +/* + * Copyright (C) 2017, STMicroelectronics - All Rights Reserved + * Author(s): Alexandre Torgue <alexandre.torgue@st.com> for STMicroelectronics. + * + * This file is dual-licensed: you can use it either under the terms + * of the GPL or the X11 license, at your option. Note that this dual + * licensing only applies to this file, and not this project as a + * whole. + * + * a) This file is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This file is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * Or, alternatively, + * + * b) Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "stm32f4-pinctrl.dtsi" + +/ { + soc { + pinctrl: pin-controller { + compatible = "st,stm32f469-pinctrl"; + + gpioa: gpio@40020000 { + gpio-ranges = <&pinctrl 0 0 16>; + }; + + gpiob: gpio@40020400 { + gpio-ranges = <&pinctrl 0 16 16>; + }; + + gpioc: gpio@40020800 { + gpio-ranges = <&pinctrl 0 32 16>; + }; + + gpiod: gpio@40020c00 { + gpio-ranges = <&pinctrl 0 48 16>; + }; + + gpioe: gpio@40021000 { + gpio-ranges = <&pinctrl 0 64 16>; + }; + + gpiof: gpio@40021400 { + gpio-ranges = <&pinctrl 0 80 16>; + }; + + gpiog: gpio@40021800 { + gpio-ranges = <&pinctrl 0 96 16>; + }; + + gpioh: gpio@40021c00 { + gpio-ranges = <&pinctrl 0 112 16>; + }; + + gpioi: gpio@40022000 { + gpio-ranges = <&pinctrl 0 128 16>; + }; + + gpioj: gpio@40022400 { + gpio-ranges = <&pinctrl 0 144 6>, + <&pinctrl 12 156 4>; + }; + + gpiok: gpio@40022800 { + gpio-ranges = <&pinctrl 3 163 5>; + }; + }; + }; +}; diff --git a/arch/arm/dts/stm32f746-disco.dts b/arch/arm/dts/stm32f746-disco.dts index c92c2e20e8..9e8d2a045c 100644 --- a/arch/arm/dts/stm32f746-disco.dts +++ b/arch/arm/dts/stm32f746-disco.dts @@ -65,6 +65,7 @@ aliases { serial0 = &usart1; spi0 = &qspi; + mmc0 = &sdio; /* Aliases for gpios so as to use sequence */ gpio0 = &gpioa; gpio1 = &gpiob; @@ -238,3 +239,14 @@ reg = <0>; }; }; + +&sdio { + status = "okay"; + cd-gpios = <&gpioc 13 0>; + cd-inverted; + pinctrl-names = "default", "opendrain"; + pinctrl-0 = <&sdio_pins>; + pinctrl-1 = <&sdio_pins_od>; + bus-width = <4>; + max-frequency = <25000000>; +}; diff --git a/arch/arm/dts/stm32f746.dtsi b/arch/arm/dts/stm32f746.dtsi index f62360f0db..929bf82e4d 100644 --- a/arch/arm/dts/stm32f746.dtsi +++ b/arch/arm/dts/stm32f746.dtsi @@ -234,6 +234,91 @@ u-boot,dm-pre-reloc; }; + sdio_pins: sdio_pins@0 { + pins { + pinmux = <STM32F746_PC8_FUNC_SDMMC1_D0>, + <STM32F746_PC9_FUNC_SDMMC1_D1>, + <STM32F746_PC10_FUNC_SDMMC1_D2>, + <STM32F746_PC11_FUNC_SDMMC1_D3>, + <STM32F746_PC12_FUNC_SDMMC1_CK>, + <STM32F746_PD2_FUNC_SDMMC1_CMD>; + drive-push-pull; + slew-rate = <2>; + }; + }; + + sdio_pins_od: sdio_pins_od@0 { + pins1 { + pinmux = <STM32F746_PC8_FUNC_SDMMC1_D0>, + <STM32F746_PC9_FUNC_SDMMC1_D1>, + <STM32F746_PC10_FUNC_SDMMC1_D2>, + <STM32F746_PC11_FUNC_SDMMC1_D3>, + <STM32F746_PC12_FUNC_SDMMC1_CK>; + drive-push-pull; + slew-rate = <2>; + }; + + pins2 { + pinmux = <STM32F746_PD2_FUNC_SDMMC1_CMD>; + drive-open-drain; + slew-rate = <2>; + }; + }; + + sdio_pins_b: sdio_pins_b@0 { + pins { + pinmux = <STM32F769_PG9_FUNC_SDMMC2_D0>, + <STM32F769_PG10_FUNC_SDMMC2_D1>, + <STM32F769_PB3_FUNC_SDMMC2_D2>, + <STM32F769_PB4_FUNC_SDMMC2_D3>, + <STM32F769_PD6_FUNC_SDMMC2_CLK>, + <STM32F769_PD7_FUNC_SDMMC2_CMD>; + drive-push-pull; + slew-rate = <2>; + }; + }; + + sdio_pins_od_b: sdio_pins_od_b@0 { + pins1 { + pinmux = <STM32F769_PG9_FUNC_SDMMC2_D0>, + <STM32F769_PG10_FUNC_SDMMC2_D1>, + <STM32F769_PB3_FUNC_SDMMC2_D2>, + <STM32F769_PB4_FUNC_SDMMC2_D3>, + <STM32F769_PD6_FUNC_SDMMC2_CLK>; + drive-push-pull; + slew-rate = <2>; + }; + + pins2 { + pinmux = <STM32F769_PD7_FUNC_SDMMC2_CMD>; + drive-open-drain; + slew-rate = <2>; + }; + }; + + }; + sdio: sdio@40012c00 { + compatible = "st,stm32f4xx-sdio"; + reg = <0x40012c00 0x400>; + clocks = <&rcc 0 171>; + interrupts = <49>; + status = "disabled"; + pinctrl-0 = <&sdio_pins>; + pinctrl-1 = <&sdio_pins_od>; + pinctrl-names = "default", "opendrain"; + max-frequency = <48000000>; + }; + + sdio2: sdio2@40011c00 { + compatible = "st,stm32f4xx-sdio"; + reg = <0x40011c00 0x400>; + clocks = <&rcc 0 167>; + interrupts = <103>; + status = "disabled"; + pinctrl-0 = <&sdio_pins_b>; + pinctrl-1 = <&sdio_pins_od_b>; + pinctrl-names = "default", "opendrain"; + max-frequency = <48000000>; }; }; }; diff --git a/arch/arm/dts/stm32f769-disco.dts b/arch/arm/dts/stm32f769-disco.dts index f34ffcc21d..59c9d31c21 100644 --- a/arch/arm/dts/stm32f769-disco.dts +++ b/arch/arm/dts/stm32f769-disco.dts @@ -60,6 +60,7 @@ aliases { serial0 = &usart1; spi0 = &qspi; + mmc0 = &sdio2; /* Aliases for gpios so as to use sequence */ gpio0 = &gpioa; gpio1 = &gpiob; @@ -252,3 +253,14 @@ reg = <0>; }; }; + +&sdio2 { + status = "okay"; + cd-gpios = <&gpioi 15 0>; + cd-inverted; + pinctrl-names = "default", "opendrain"; + pinctrl-0 = <&sdio_pins_b>; + pinctrl-1 = <&sdio_pins_od_b>; + bus-width = <4>; + max-frequency = <25000000>; +}; diff --git a/arch/arm/dts/sun7i-a20-pcduino3.dts b/arch/arm/dts/sun7i-a20-pcduino3.dts index 37b1e0ee9b..7f449b6a28 100644 --- a/arch/arm/dts/sun7i-a20-pcduino3.dts +++ b/arch/arm/dts/sun7i-a20-pcduino3.dts @@ -165,7 +165,6 @@ vmmc-supply = <®_vcc3v3>; bus-width = <4>; cd-gpios = <&pio 7 1 GPIO_ACTIVE_LOW>; /* PH1 */ - cd-inverted; status = "okay"; }; diff --git a/arch/arm/dts/sun8i-h3-libretech-all-h3-cc.dts b/arch/arm/dts/sun8i-h3-libretech-all-h3-cc.dts new file mode 100644 index 0000000000..97b993f636 --- /dev/null +++ b/arch/arm/dts/sun8i-h3-libretech-all-h3-cc.dts @@ -0,0 +1,180 @@ +/* + * Copyright (C) 2017 Chen-Yu Tsai <wens@csie.org> + * + * SPDX-License-Identifier: (GPL-2.0+ OR MIT) + */ + +/dts-v1/; +#include "sun8i-h3.dtsi" + +#include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/input/input.h> + +/ { + model = "Libre Computer Board ALL-H3-CC H3"; + compatible = "libretech,all-h3-cc-h3", "allwinner,sun8i-h3"; + + aliases { + ethernet0 = &emac; + serial0 = &uart0; + }; + + chosen { + stdout-path = "serial0:115200n8"; + }; + + leds { + compatible = "gpio-leds"; + + pwr_led { + label = "librecomputer:green:pwr"; + gpios = <&r_pio 0 10 GPIO_ACTIVE_HIGH>; /* PL10 */ + default-state = "on"; + }; + + status_led { + label = "librecomputer:blue:status"; + gpios = <&pio 0 7 GPIO_ACTIVE_HIGH>; /* PA7 */ + }; + }; + + gpio_keys { + compatible = "gpio-keys"; + + power { + label = "power"; + linux,code = <KEY_POWER>; + gpios = <&r_pio 0 2 GPIO_ACTIVE_LOW>; /* PL2 */ + }; + }; + + reg_vcc1v2: vcc1v2 { + compatible = "regulator-fixed"; + regulator-name = "vcc1v2"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + regulator-boot-on; + vin-supply = <®_vcc5v0>; + gpio = <&r_pio 0 8 GPIO_ACTIVE_HIGH>; /* PL8 */ + enable-active-high; + }; + + reg_vcc3v3: vcc3v3 { + compatible = "regulator-fixed"; + regulator-name = "vcc3v3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + vin-supply = <®_vcc5v0>; + }; + + /* This represents the board's 5V input */ + reg_vcc5v0: vcc5v0 { + compatible = "regulator-fixed"; + regulator-name = "vcc5v0"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + }; + + reg_vcc_dram: vcc-dram { + compatible = "regulator-fixed"; + regulator-name = "vcc-dram"; + regulator-min-microvolt = <1500000>; + regulator-max-microvolt = <1500000>; + regulator-always-on; + regulator-boot-on; + vin-supply = <®_vcc5v0>; + gpio = <&r_pio 0 9 GPIO_ACTIVE_HIGH>; /* PL9 */ + enable-active-high; + }; + + reg_vcc_io: vcc-io { + compatible = "regulator-fixed"; + regulator-name = "vcc-io"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + regulator-boot-on; + vin-supply = <®_vcc3v3>; + gpio = <&r_pio 0 5 GPIO_ACTIVE_LOW>; /* PL5 */ + }; + + reg_vdd_cpux: vdd-cpux { + compatible = "regulator-fixed"; + regulator-name = "vdd-cpux"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + regulator-boot-on; + vin-supply = <®_vcc5v0>; + gpio = <&r_pio 0 8 GPIO_ACTIVE_HIGH>; /* PL8 */ + enable-active-high; + }; +}; + +&ehci1 { + status = "okay"; +}; + +&ehci2 { + status = "okay"; +}; + +&ehci3 { + status = "okay"; +}; + +&emac { + phy = <&phy1>; + phy-mode = "mii"; + allwinner,use-internal-phy; + allwinner,leds-active-low; + status = "okay"; + + phy1: ethernet-phy@1 { + reg = <1>; + }; +}; + +&ir { + pinctrl-names = "default"; + pinctrl-0 = <&ir_pins_a>; + status = "okay"; +}; + +&mmc0 { + pinctrl-names = "default"; + pinctrl-0 = <&mmc0_pins_a>; + vmmc-supply = <®_vcc_io>; + bus-width = <4>; + cd-gpios = <&pio 5 6 GPIO_ACTIVE_HIGH>; /* PF6 */ + cd-inverted; + status = "okay"; +}; + +&ohci1 { + status = "okay"; +}; + +&ohci2 { + status = "okay"; +}; + +&ohci3 { + status = "okay"; +}; + +&uart0 { + pinctrl-names = "default"; + pinctrl-0 = <&uart0_pins_a>; + status = "okay"; +}; + +&usbphy { + /* VBUS on USB ports are always on */ + usb0_vbus-supply = <®_vcc5v0>; + usb1_vbus-supply = <®_vcc5v0>; + usb2_vbus-supply = <®_vcc5v0>; + usb3_vbus-supply = <®_vcc5v0>; + status = "okay"; +}; diff --git a/arch/arm/dts/tegra-u-boot.dtsi b/arch/arm/dts/tegra-u-boot.dtsi index cde591c5fc..4f692ee975 100644 --- a/arch/arm/dts/tegra-u-boot.dtsi +++ b/arch/arm/dts/tegra-u-boot.dtsi @@ -1,5 +1,11 @@ #include <config.h> +#ifdef CONFIG_SPL_TEXT_BASE +#define U_BOOT_OFFSET (CONFIG_SYS_TEXT_BASE - CONFIG_SPL_TEXT_BASE) +#else +#define U_BOOT_OFFSET 0 +#endif + / { binman { multiple-images; @@ -9,8 +15,7 @@ u-boot-spl { }; u-boot { - pos = <(CONFIG_SYS_TEXT_BASE - - CONFIG_SPL_TEXT_BASE)>; + pos = <(U_BOOT_OFFSET)>; }; }; @@ -21,8 +26,7 @@ u-boot-spl { }; u-boot { - pos = <(CONFIG_SYS_TEXT_BASE - - CONFIG_SPL_TEXT_BASE)>; + pos = <(U_BOOT_OFFSET)>; }; }; @@ -32,8 +36,7 @@ u-boot-spl { }; u-boot-nodtb { - pos = <(CONFIG_SYS_TEXT_BASE - - CONFIG_SPL_TEXT_BASE)>; + pos = <(U_BOOT_OFFSET)>; }; }; }; diff --git a/arch/arm/include/asm/arch-am33xx/clock.h b/arch/arm/include/asm/arch-am33xx/clock.h index 5399bb81f0..9dbcd3a407 100644 --- a/arch/arm/include/asm/arch-am33xx/clock.h +++ b/arch/arm/include/asm/arch-am33xx/clock.h @@ -104,6 +104,7 @@ extern const struct dpll_regs dpll_mpu_regs; extern const struct dpll_regs dpll_core_regs; extern const struct dpll_regs dpll_per_regs; extern const struct dpll_regs dpll_ddr_regs; +extern const struct dpll_regs dpll_disp_regs; extern const struct dpll_params dpll_mpu_opp[NUM_CRYSTAL_FREQ][NUM_OPPS]; extern const struct dpll_params dpll_core_1000MHz[NUM_CRYSTAL_FREQ]; extern const struct dpll_params dpll_per_192MHz[NUM_CRYSTAL_FREQ]; diff --git a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h index 2561ead7c3..1ff5cac344 100644 --- a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h +++ b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h @@ -23,6 +23,8 @@ #define CONFIG_SYS_FSL_GUTS_ADDR (CONFIG_SYS_IMMR + 0x00ee0000) #define CONFIG_SYS_FSL_RST_ADDR (CONFIG_SYS_IMMR + 0x00ee00b0) #define CONFIG_SYS_FSL_SCFG_ADDR (CONFIG_SYS_IMMR + 0x00570000) +#define CONFIG_SYS_FSL_BMAN_ADDR (CONFIG_SYS_IMMR + 0x00890000) +#define CONFIG_SYS_FSL_QMAN_ADDR (CONFIG_SYS_IMMR + 0x00880000) #define CONFIG_SYS_FSL_FMAN_ADDR (CONFIG_SYS_IMMR + 0x00a00000) #define CONFIG_SYS_FSL_SERDES_ADDR (CONFIG_SYS_IMMR + 0x00ea0000) #define CONFIG_SYS_FSL_DCFG_ADDR (CONFIG_SYS_IMMR + 0x00ee0000) @@ -41,6 +43,33 @@ #define CONFIG_SYS_SEC_MON_ADDR (CONFIG_SYS_IMMR + 0xe90000) #define CONFIG_SYS_SFP_ADDR (CONFIG_SYS_IMMR + 0xe80200) +#define CONFIG_SYS_BMAN_NUM_PORTALS 10 +#define CONFIG_SYS_BMAN_MEM_BASE 0x508000000 +#define CONFIG_SYS_BMAN_MEM_PHYS (0xf00000000ull + \ + CONFIG_SYS_BMAN_MEM_BASE) +#define CONFIG_SYS_BMAN_MEM_SIZE 0x08000000 +#define CONFIG_SYS_BMAN_SP_CENA_SIZE 0x10000 +#define CONFIG_SYS_BMAN_SP_CINH_SIZE 0x10000 +#define CONFIG_SYS_BMAN_CENA_BASE CONFIG_SYS_BMAN_MEM_BASE +#define CONFIG_SYS_BMAN_CENA_SIZE (CONFIG_SYS_BMAN_MEM_SIZE >> 1) +#define CONFIG_SYS_BMAN_CINH_BASE (CONFIG_SYS_BMAN_MEM_BASE + \ + CONFIG_SYS_BMAN_CENA_SIZE) +#define CONFIG_SYS_BMAN_CINH_SIZE (CONFIG_SYS_BMAN_MEM_SIZE >> 1) +#define CONFIG_SYS_BMAN_SWP_ISDR_REG 0x3E80 +#define CONFIG_SYS_QMAN_NUM_PORTALS 10 +#define CONFIG_SYS_QMAN_MEM_BASE 0x500000000 +#define CONFIG_SYS_QMAN_MEM_PHYS (0xf00000000ull + \ + CONFIG_SYS_QMAN_MEM_BASE) +#define CONFIG_SYS_QMAN_MEM_SIZE 0x08000000 +#define CONFIG_SYS_QMAN_SP_CENA_SIZE 0x10000 +#define CONFIG_SYS_QMAN_SP_CINH_SIZE 0x10000 +#define CONFIG_SYS_QMAN_CENA_BASE CONFIG_SYS_QMAN_MEM_BASE +#define CONFIG_SYS_QMAN_CENA_SIZE (CONFIG_SYS_QMAN_MEM_SIZE >> 1) +#define CONFIG_SYS_QMAN_CINH_BASE (CONFIG_SYS_QMAN_MEM_BASE + \ + CONFIG_SYS_QMAN_CENA_SIZE) +#define CONFIG_SYS_QMAN_CINH_SIZE (CONFIG_SYS_QMAN_MEM_SIZE >> 1) +#define CONFIG_SYS_QMAN_SWP_ISDR_REG 0x3680 + #define CONFIG_SYS_FSL_TIMER_ADDR 0x02b00000 #define I2C1_BASE_ADDR (CONFIG_SYS_IMMR + 0x01180000) diff --git a/arch/arm/include/asm/arch-fsl-layerscape/soc.h b/arch/arm/include/asm/arch-fsl-layerscape/soc.h index 09f64e7bd7..1e65e4e114 100644 --- a/arch/arm/include/asm/arch-fsl-layerscape/soc.h +++ b/arch/arm/include/asm/arch-fsl-layerscape/soc.h @@ -88,6 +88,8 @@ struct cpu_type { /* ahci port register default value */ #define AHCI_PORT_PHY_1_CFG 0xa003fffe +#define AHCI_PORT_PHY2_CFG 0x28184d1f +#define AHCI_PORT_PHY3_CFG 0x0e081509 #define AHCI_PORT_TRANS_CFG 0x08000029 #define AHCI_PORT_AXICC_CFG 0x3fffffff diff --git a/arch/arm/include/asm/arch-fsl-layerscape/speed.h b/arch/arm/include/asm/arch-fsl-layerscape/speed.h index de795f6056..e94fe8e254 100644 --- a/arch/arm/include/asm/arch-fsl-layerscape/speed.h +++ b/arch/arm/include/asm/arch-fsl-layerscape/speed.h @@ -7,4 +7,7 @@ #ifndef _FSL_LAYERSCAPE_SPEED_H #define _FSL_LAYERSCAPE_SPEED_H void get_sys_info(struct sys_info *sys_info); +#ifdef CONFIG_SYS_DPAA_QBMAN +unsigned long get_qman_freq(void); +#endif #endif /* _FSL_LAYERSCAPE_SPEED_H */ diff --git a/arch/arm/include/asm/arch-rockchip/clock.h b/arch/arm/include/asm/arch-rockchip/clock.h index 736b2603fd..52641116f3 100644 --- a/arch/arm/include/asm/arch-rockchip/clock.h +++ b/arch/arm/include/asm/arch-rockchip/clock.h @@ -85,4 +85,14 @@ void rk3288_clk_configure_cpu(struct rk3288_cru *cru, struct rk3288_grf *grf); int rockchip_get_clk(struct udevice **devp); +/* + * rockchip_reset_bind() - Bind soft reset device as child of clock device + * + * @pdev: clock udevice + * @reg_offset: the first offset in cru for softreset registers + * @reg_number: the reg numbers of softreset registers + * @return 0 success, or error value + */ +int rockchip_reset_bind(struct udevice *pdev, u32 reg_offset, u32 reg_number); + #endif diff --git a/arch/arm/include/asm/arch-rockchip/f_rockusb.h b/arch/arm/include/asm/arch-rockchip/f_rockusb.h new file mode 100644 index 0000000000..0e99f1b76d --- /dev/null +++ b/arch/arm/include/asm/arch-rockchip/f_rockusb.h @@ -0,0 +1,133 @@ +/* + * (C) Copyright 2017 + * + * Eddie Cai <eddie.cai.linux@gmail.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _F_ROCKUSB_H_ +#define _F_ROCKUSB_H_ +#include <blk.h> + +#define ROCKUSB_VERSION "0.1" + +#define ROCKUSB_INTERFACE_CLASS 0xff +#define ROCKUSB_INTERFACE_SUB_CLASS 0x06 +#define ROCKUSB_INTERFACE_PROTOCOL 0x05 + +#define RX_ENDPOINT_MAXIMUM_PACKET_SIZE_2_0 0x0200 +#define RX_ENDPOINT_MAXIMUM_PACKET_SIZE_1_1 0x0040 +#define TX_ENDPOINT_MAXIMUM_PACKET_SIZE 0x0040 + +#define EP_BUFFER_SIZE 4096 +/* + * EP_BUFFER_SIZE must always be an integral multiple of maxpacket size + * (64 or 512 or 1024), else we break on certain controllers like DWC3 + * that expect bulk OUT requests to be divisible by maxpacket size. + */ + +#define RKUSB_BUF_SIZE EP_BUFFER_SIZE * 2 + +#define RKUSB_STATUS_IDLE 0 +#define RKUSB_STATUS_CMD 1 +#define RKUSB_STATUS_RXDATA 2 +#define RKUSB_STATUS_TXDATA 3 +#define RKUSB_STATUS_CSW 4 +#define RKUSB_STATUS_RXDATA_PREPARE 5 +#define RKUSB_STATUS_TXDATA_PREPARE 6 + +enum rkusb_command { +K_FW_TEST_UNIT_READY = 0x00, +K_FW_READ_FLASH_ID = 0x01, +K_FW_SET_DEVICE_ID = 0x02, +K_FW_TEST_BAD_BLOCK = 0x03, +K_FW_READ_10 = 0x04, +K_FW_WRITE_10 = 0x05, +K_FW_ERASE_10 = 0x06, +K_FW_WRITE_SPARE = 0x07, +K_FW_READ_SPARE = 0x08, + +K_FW_ERASE_10_FORCE = 0x0b, +K_FW_GET_VERSION = 0x0c, + +K_FW_LBA_READ_10 = 0x14, +K_FW_LBA_WRITE_10 = 0x15, +K_FW_ERASE_SYS_DISK = 0x16, +K_FW_SDRAM_READ_10 = 0x17, +K_FW_SDRAM_WRITE_10 = 0x18, +K_FW_SDRAM_EXECUTE = 0x19, +K_FW_READ_FLASH_INFO = 0x1A, +K_FW_GET_CHIP_VER = 0x1B, +K_FW_LOW_FORMAT = 0x1C, +K_FW_SET_RESET_FLAG = 0x1E, +K_FW_SPI_READ_10 = 0x21, +K_FW_SPI_WRITE_10 = 0x22, + +K_FW_SESSION = 0X30, +K_FW_RESET = 0xff, +}; + +#define CBW_DIRECTION_OUT 0x00 +#define CBW_DIRECTION_IN 0x80 + +struct cmd_dispatch_info { + enum rkusb_command cmd; + /* call back function to handle rockusb command */ + void (*cb)(struct usb_ep *ep, struct usb_request *req); +}; + +/* Bulk-only data structures */ + +/* Command Block Wrapper */ +struct fsg_bulk_cb_wrap { + __le32 signature; /* Contains 'USBC' */ + u32 tag; /* Unique per command id */ + __le32 data_transfer_length; /* Size of the data */ + u8 flags; /* Direction in bit 7 */ + u8 lun; /* lun (normally 0) */ + u8 length; /* Of the CDB, <= MAX_COMMAND_SIZE */ + u8 CDB[16]; /* Command Data Block */ +}; + +#define USB_BULK_CB_WRAP_LEN 31 +#define USB_BULK_CB_SIG 0x43425355 /* Spells out USBC */ +#define USB_BULK_IN_FLAG 0x80 + +/* Command status Wrapper */ +struct bulk_cs_wrap { + __le32 signature; /* Should = 'USBS' */ + u32 tag; /* Same as original command */ + __le32 residue; /* Amount not transferred */ + u8 status; /* See below */ +}; + +#define USB_BULK_CS_WRAP_LEN 13 +#define USB_BULK_CS_SIG 0x53425355 /* Spells out 'USBS' */ +#define USB_STATUS_PASS 0 +#define USB_STATUS_FAIL 1 +#define USB_STATUS_PHASE_ERROR 2 + +#define CSW_GOOD 0x00 +#define CSW_FAIL 0x01 + +struct f_rockusb { + struct usb_function usb_function; + struct usb_ep *in_ep, *out_ep; + struct usb_request *in_req, *out_req; + char *dev_type; + unsigned int dev_index; + unsigned int tag; + unsigned int lba; + unsigned int dl_size; + unsigned int dl_bytes; + struct blk_desc *desc; + int reboot_flag; + void *buf; + void *buf_head; +}; + +/* init rockusb device, tell rockusb which device you want to read/write*/ +void rockusb_dev_init(char *dev_type, int dev_index); +#endif /* _F_ROCKUSB_H_ */ + diff --git a/arch/arm/include/asm/arch-stm32f4/gpio.h b/arch/arm/include/asm/arch-stm32f4/gpio.h index 831c542db0..6173fa1300 100644 --- a/arch/arm/include/asm/arch-stm32f4/gpio.h +++ b/arch/arm/include/asm/arch-stm32f4/gpio.h @@ -131,6 +131,22 @@ struct stm32_gpio_ctl { enum stm32_gpio_af af; }; +struct stm32_gpio_regs { + u32 moder; /* GPIO port mode */ + u32 otyper; /* GPIO port output type */ + u32 ospeedr; /* GPIO port output speed */ + u32 pupdr; /* GPIO port pull-up/pull-down */ + u32 idr; /* GPIO port input data */ + u32 odr; /* GPIO port output data */ + u32 bsrr; /* GPIO port bit set/reset */ + u32 lckr; /* GPIO port configuration lock */ + u32 afr[2]; /* GPIO alternate function */ +}; + +struct stm32_gpio_priv { + struct stm32_gpio_regs *regs; +}; + static inline unsigned stm32_gpio_to_port(unsigned gpio) { return gpio / 16; @@ -141,8 +157,4 @@ static inline unsigned stm32_gpio_to_pin(unsigned gpio) return gpio % 16; } -int stm32_gpio_config(const struct stm32_gpio_dsc *gpio_dsc, - const struct stm32_gpio_ctl *gpio_ctl); -int stm32_gpout_set(const struct stm32_gpio_dsc *gpio_dsc, int state); - #endif /* _STM32_GPIO_H_ */ diff --git a/arch/arm/include/asm/arch-stm32f4/stm32.h b/arch/arm/include/asm/arch-stm32f4/stm32.h index e9f3aabb6f..0449fceced 100644 --- a/arch/arm/include/asm/arch-stm32f4/stm32.h +++ b/arch/arm/include/asm/arch-stm32f4/stm32.h @@ -23,16 +23,6 @@ #define STM32_BUS_MASK 0xFFFF0000 -#define STM32_GPIOA_BASE (STM32_AHB1PERIPH_BASE + 0x0000) -#define STM32_GPIOB_BASE (STM32_AHB1PERIPH_BASE + 0x0400) -#define STM32_GPIOC_BASE (STM32_AHB1PERIPH_BASE + 0x0800) -#define STM32_GPIOD_BASE (STM32_AHB1PERIPH_BASE + 0x0C00) -#define STM32_GPIOE_BASE (STM32_AHB1PERIPH_BASE + 0x1000) -#define STM32_GPIOF_BASE (STM32_AHB1PERIPH_BASE + 0x1400) -#define STM32_GPIOG_BASE (STM32_AHB1PERIPH_BASE + 0x1800) -#define STM32_GPIOH_BASE (STM32_AHB1PERIPH_BASE + 0x1C00) -#define STM32_GPIOI_BASE (STM32_AHB1PERIPH_BASE + 0x2000) - /* * Register maps */ @@ -42,11 +32,6 @@ struct stm32_u_id_regs { u32 u_id_high; }; -struct stm32_pwr_regs { - u32 cr; - u32 csr; -}; - /* * Registers access macros */ @@ -56,17 +41,6 @@ struct stm32_pwr_regs { #define STM32_RCC_BASE (STM32_AHB1PERIPH_BASE + 0x3800) #define STM32_RCC ((struct stm32_rcc_regs *)STM32_RCC_BASE) -#define STM32_PWR_BASE (STM32_APB1PERIPH_BASE + 0x7000) -#define STM32_PWR ((struct stm32_pwr_regs *)STM32_PWR_BASE) - -/* - * Peripheral base addresses - */ -#define STM32_USART1_BASE (STM32_APB2PERIPH_BASE + 0x1000) -#define STM32_USART2_BASE (STM32_APB1PERIPH_BASE + 0x4400) -#define STM32_USART3_BASE (STM32_APB1PERIPH_BASE + 0x4800) -#define STM32_USART6_BASE (STM32_APB2PERIPH_BASE + 0x1400) - #define FLASH_CNTL_BASE (STM32_AHB1PERIPH_BASE + 0x3C00) static const u32 sect_sz_kb[CONFIG_SYS_MAX_FLASH_SECT] = { @@ -75,15 +49,6 @@ static const u32 sect_sz_kb[CONFIG_SYS_MAX_FLASH_SECT] = { [5 ... 11] = 128 * 1024 }; -enum clock { - CLOCK_CORE, - CLOCK_AHB, - CLOCK_APB1, - CLOCK_APB2 -}; - -int configure_clocks(void); -unsigned long clock_get(enum clock clck); void stm32_flash_latency_cfg(int latency); #endif /* _MACH_STM32_H_ */ diff --git a/arch/arm/include/asm/boot0-linux-kernel-header.h b/arch/arm/include/asm/boot0-linux-kernel-header.h new file mode 100644 index 0000000000..ca28780daa --- /dev/null +++ b/arch/arm/include/asm/boot0-linux-kernel-header.h @@ -0,0 +1,49 @@ +/* + * (C) Copyright 2017 NVIDIA Corporation <www.nvidia.com> + * + * Derived from Linux kernel v4.14 files: + * + * arch/arm64/include/asm/assembler.h: + * Based on arch/arm/include/asm/assembler.h, arch/arm/mm/proc-macros.S + * Copyright (C) 1996-2000 Russell King + * Copyright (C) 2012 ARM Ltd. + * + * arch/arm64/kernel/head.S: + * Based on arch/arm/kernel/head.S + * Copyright (C) 1994-2002 Russell King + * Copyright (C) 2003-2012 ARM Ltd. + * Authors: Catalin Marinas <catalin.marinas@arm.com> + * Will Deacon <will.deacon@arm.com> + * + * arch/arm64/kernel/image.h: + * Copyright (C) 2014 ARM Ltd. + * + * SPDX-License-Identifier: GPL-2.0 + */ + + /* + * Emit a 64-bit absolute little endian symbol reference in a way that + * ensures that it will be resolved at build time, even when building a + * PIE binary. This requires cooperation from the linker script, which + * must emit the lo32/hi32 halves individually. + */ + .macro le64sym, sym + .long \sym\()_lo32 + .long \sym\()_hi32 + .endm + +.globl _start +_start: + /* + * DO NOT MODIFY. Image header expected by Linux boot-loaders. + */ + b reset /* branch to kernel start, magic */ + .long 0 /* reserved */ + le64sym _kernel_offset_le /* Image load offset from start of RAM, little-endian */ + le64sym _kernel_size_le /* Effective size of kernel image, little-endian */ + le64sym _kernel_flags_le /* Informative flags, little-endian */ + .quad 0 /* reserved */ + .quad 0 /* reserved */ + .quad 0 /* reserved */ + .ascii "ARM\x64" /* Magic number */ + .long 0 /* reserved */ diff --git a/arch/arm/include/asm/fsl_secure_boot.h b/arch/arm/include/asm/fsl_secure_boot.h index ec6463dbb8..3f30470fff 100644 --- a/arch/arm/include/asm/fsl_secure_boot.h +++ b/arch/arm/include/asm/fsl_secure_boot.h @@ -26,6 +26,14 @@ #define CONFIG_KEY_REVOCATION +#if defined(CONFIG_FSL_LAYERSCAPE) +/* + * For fsl layerscape based platforms, ESBC image Address in Header + * is 64 bit. + */ +#define CONFIG_ESBC_ADDR_64BIT +#endif + #ifndef CONFIG_SPL_BUILD #ifndef CONFIG_SYS_RAMBOOT /* The key used for verification of next level images @@ -42,14 +50,6 @@ #endif -#if defined(CONFIG_FSL_LAYERSCAPE) -/* - * For fsl layerscape based platforms, ESBC image Address in Header - * is 64 bit. - */ -#define CONFIG_ESBC_ADDR_64BIT -#endif - #ifdef CONFIG_ARCH_LS2080A #define CONFIG_EXTRA_ENV \ "setenv fdt_high 0xa0000000;" \ diff --git a/arch/arm/lib/bootm.c b/arch/arm/lib/bootm.c index 5c62d9c144..89740657e0 100644 --- a/arch/arm/lib/bootm.c +++ b/arch/arm/lib/bootm.c @@ -47,7 +47,8 @@ static ulong get_sp(void) void arch_lmb_reserve(struct lmb *lmb) { - ulong sp; + ulong sp, bank_end; + int bank; /* * Booting a (Linux) kernel image @@ -63,8 +64,16 @@ void arch_lmb_reserve(struct lmb *lmb) /* adjust sp by 4K to be safe */ sp -= 4096; - lmb_reserve(lmb, sp, - gd->bd->bi_dram[0].start + gd->bd->bi_dram[0].size - sp); + for (bank = 0; bank < CONFIG_NR_DRAM_BANKS; bank++) { + if (sp < gd->bd->bi_dram[bank].start) + continue; + bank_end = gd->bd->bi_dram[bank].start + + gd->bd->bi_dram[bank].size; + if (sp >= bank_end) + continue; + lmb_reserve(lmb, sp, bank_end - sp); + break; + } } __weak void board_quiesce_devices(void) diff --git a/arch/arm/lib/crt0_64.S b/arch/arm/lib/crt0_64.S index 9cb70552fe..a181283e0f 100644 --- a/arch/arm/lib/crt0_64.S +++ b/arch/arm/lib/crt0_64.S @@ -73,6 +73,9 @@ ENTRY(_main) ldr x0, =(CONFIG_TPL_STACK) #elif defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_STACK) ldr x0, =(CONFIG_SPL_STACK) +#elif defined(CONFIG_SYS_INIT_SP_BSS_OFFSET) + adr x0, __bss_start + add x0, x0, #CONFIG_SYS_INIT_SP_BSS_OFFSET #else ldr x0, =(CONFIG_SYS_INIT_SP_ADDR) #endif diff --git a/arch/arm/mach-omap2/am33xx/clock_am33xx.c b/arch/arm/mach-omap2/am33xx/clock_am33xx.c index 1780bbdb6f..9ab4d250d2 100644 --- a/arch/arm/mach-omap2/am33xx/clock_am33xx.c +++ b/arch/arm/mach-omap2/am33xx/clock_am33xx.c @@ -52,6 +52,13 @@ const struct dpll_regs dpll_ddr_regs = { .cm_div_m2_dpll = CM_WKUP + 0xA0, }; +const struct dpll_regs dpll_disp_regs = { + .cm_clkmode_dpll = CM_WKUP + 0x98, + .cm_idlest_dpll = CM_WKUP + 0x48, + .cm_clksel_dpll = CM_WKUP + 0x54, + .cm_div_m2_dpll = CM_WKUP + 0xA4, +}; + struct dpll_params dpll_mpu_opp100 = { CONFIG_SYS_MPUCLK, OSC-1, 1, -1, -1, -1, -1}; const struct dpll_params dpll_core_opp100 = { diff --git a/arch/arm/mach-rockchip/Kconfig b/arch/arm/mach-rockchip/Kconfig index 967290f9a5..85107817f4 100644 --- a/arch/arm/mach-rockchip/Kconfig +++ b/arch/arm/mach-rockchip/Kconfig @@ -61,6 +61,8 @@ config ROCKCHIP_RK3288 select SPL_BOARD_INIT if SPL select SUPPORT_SPL select SPL + imply USB_FUNCTION_ROCKUSB + imply CMD_ROCKUSB help The Rockchip RK3288 is a ARM-based SoC with a quad-core Cortex-A17 including NEON and GPU, 1MB L2 cache, Mali-T7 graphics, two diff --git a/arch/arm/mach-socfpga/clock_manager.c b/arch/arm/mach-socfpga/clock_manager.c index cb6ae03696..6b76221025 100644 --- a/arch/arm/mach-socfpga/clock_manager.c +++ b/arch/arm/mach-socfpga/clock_manager.c @@ -59,7 +59,8 @@ int set_cpu_clk_info(void) return 0; } -int do_showclocks(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +#ifndef CONFIG_SPL_BUILD +static int do_showclocks(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { cm_print_clock_quick_summary(); return 0; @@ -70,3 +71,4 @@ U_BOOT_CMD( "display clocks", "" ); +#endif diff --git a/arch/arm/mach-socfpga/misc_gen5.c b/arch/arm/mach-socfpga/misc_gen5.c index 91ddb79f73..a7dcaccbb7 100644 --- a/arch/arm/mach-socfpga/misc_gen5.c +++ b/arch/arm/mach-socfpga/misc_gen5.c @@ -30,14 +30,10 @@ static struct pl310_regs *const pl310 = (struct pl310_regs *)CONFIG_SYS_PL310_BASE; static struct socfpga_system_manager *sysmgr_regs = (struct socfpga_system_manager *)SOCFPGA_SYSMGR_ADDRESS; -static struct socfpga_reset_manager *reset_manager_base = - (struct socfpga_reset_manager *)SOCFPGA_RSTMGR_ADDRESS; static struct nic301_registers *nic301_regs = (struct nic301_registers *)SOCFPGA_L3REGS_ADDRESS; static struct scu_registers *scu_regs = (struct scu_registers *)SOCFPGA_MPUSCU_ADDRESS; -static struct socfpga_sdr_ctrl *sdr_ctrl = - (struct socfpga_sdr_ctrl *)SDR_CTRLGRP_ADDRESS; /* * DesignWare Ethernet initialization @@ -292,6 +288,12 @@ int arch_early_init_r(void) return 0; } +#ifndef CONFIG_SPL_BUILD +static struct socfpga_reset_manager *reset_manager_base = + (struct socfpga_reset_manager *)SOCFPGA_RSTMGR_ADDRESS; +static struct socfpga_sdr_ctrl *sdr_ctrl = + (struct socfpga_sdr_ctrl *)SDR_CTRLGRP_ADDRESS; + static void socfpga_sdram_apply_static_cfg(void) { const u32 applymask = 0x8; @@ -321,7 +323,7 @@ static void socfpga_sdram_apply_static_cfg(void) : : "r"(val), "r"(&sdr_ctrl->static_cfg) : "memory", "cc"); } -int do_bridge(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +static int do_bridge(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { if (argc != 2) return CMD_RET_USAGE; @@ -357,3 +359,4 @@ U_BOOT_CMD( "bridge disable - Enable HPS-to-FPGA, FPGA-to-HPS, LWHPS-to-FPGA bridges\n" "" ); +#endif diff --git a/arch/arm/mach-stm32/stm32f4/Kconfig b/arch/arm/mach-stm32/stm32f4/Kconfig index a63619e07f..7005c65462 100644 --- a/arch/arm/mach-stm32/stm32f4/Kconfig +++ b/arch/arm/mach-stm32/stm32f4/Kconfig @@ -3,6 +3,10 @@ if STM32F4 config TARGET_STM32F429_DISCOVERY bool "STM32F429 Discovery board" +config TARGET_STM32F469_DISCOVERY + bool "STM32F469 Discovery board" + source "board/st/stm32f429-discovery/Kconfig" +source "board/st/stm32f469-discovery/Kconfig" endif diff --git a/arch/arm/mach-stm32/stm32f4/Makefile b/arch/arm/mach-stm32/stm32f4/Makefile index 63db820030..86c81bbe44 100644 --- a/arch/arm/mach-stm32/stm32f4/Makefile +++ b/arch/arm/mach-stm32/stm32f4/Makefile @@ -8,4 +8,4 @@ # SPDX-License-Identifier: GPL-2.0+ # -obj-y += clock.o timer.o +obj-y += timer.o diff --git a/arch/arm/mach-stm32/stm32f4/clock.c b/arch/arm/mach-stm32/stm32f4/clock.c deleted file mode 100644 index 774591d6a5..0000000000 --- a/arch/arm/mach-stm32/stm32f4/clock.c +++ /dev/null @@ -1,258 +0,0 @@ -/* - * (C) Copyright 2015 - * Kamil Lulko, <kamil.lulko@gmail.com> - * - * (C) Copyright 2014 - * STMicroelectronics - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <stm32_rcc.h> -#include <asm/io.h> -#include <asm/arch/stm32.h> -#include <asm/arch/stm32_periph.h> - -#define RCC_CR_HSION (1 << 0) -#define RCC_CR_HSEON (1 << 16) -#define RCC_CR_HSERDY (1 << 17) -#define RCC_CR_HSEBYP (1 << 18) -#define RCC_CR_CSSON (1 << 19) -#define RCC_CR_PLLON (1 << 24) -#define RCC_CR_PLLRDY (1 << 25) - -#define RCC_PLLCFGR_PLLM_MASK 0x3F -#define RCC_PLLCFGR_PLLN_MASK 0x7FC0 -#define RCC_PLLCFGR_PLLP_MASK 0x30000 -#define RCC_PLLCFGR_PLLQ_MASK 0xF000000 -#define RCC_PLLCFGR_PLLSRC (1 << 22) -#define RCC_PLLCFGR_PLLN_SHIFT 6 -#define RCC_PLLCFGR_PLLP_SHIFT 16 -#define RCC_PLLCFGR_PLLQ_SHIFT 24 - -#define RCC_CFGR_AHB_PSC_MASK 0xF0 -#define RCC_CFGR_APB1_PSC_MASK 0x1C00 -#define RCC_CFGR_APB2_PSC_MASK 0xE000 -#define RCC_CFGR_SW0 (1 << 0) -#define RCC_CFGR_SW1 (1 << 1) -#define RCC_CFGR_SW_MASK 0x3 -#define RCC_CFGR_SW_HSI 0 -#define RCC_CFGR_SW_HSE RCC_CFGR_SW0 -#define RCC_CFGR_SW_PLL RCC_CFGR_SW1 -#define RCC_CFGR_SWS0 (1 << 2) -#define RCC_CFGR_SWS1 (1 << 3) -#define RCC_CFGR_SWS_MASK 0xC -#define RCC_CFGR_SWS_HSI 0 -#define RCC_CFGR_SWS_HSE RCC_CFGR_SWS0 -#define RCC_CFGR_SWS_PLL RCC_CFGR_SWS1 -#define RCC_CFGR_HPRE_SHIFT 4 -#define RCC_CFGR_PPRE1_SHIFT 10 -#define RCC_CFGR_PPRE2_SHIFT 13 - -#define RCC_APB1ENR_PWREN (1 << 28) - -/* - * RCC USART specific definitions - */ -#define RCC_ENR_USART1EN (1 << 4) -#define RCC_ENR_USART2EN (1 << 17) -#define RCC_ENR_USART3EN (1 << 18) -#define RCC_ENR_USART6EN (1 << 5) - -#define PWR_CR_VOS0 (1 << 14) -#define PWR_CR_VOS1 (1 << 15) -#define PWR_CR_VOS_MASK 0xC000 -#define PWR_CR_VOS_SCALE_MODE_1 (PWR_CR_VOS0 | PWR_CR_VOS1) -#define PWR_CR_VOS_SCALE_MODE_2 (PWR_CR_VOS1) -#define PWR_CR_VOS_SCALE_MODE_3 (PWR_CR_VOS0) - -/* - * RCC GPIO specific definitions - */ -#define RCC_ENR_GPIO_A_EN (1 << 0) -#define RCC_ENR_GPIO_B_EN (1 << 1) -#define RCC_ENR_GPIO_C_EN (1 << 2) -#define RCC_ENR_GPIO_D_EN (1 << 3) -#define RCC_ENR_GPIO_E_EN (1 << 4) -#define RCC_ENR_GPIO_F_EN (1 << 5) -#define RCC_ENR_GPIO_G_EN (1 << 6) -#define RCC_ENR_GPIO_H_EN (1 << 7) -#define RCC_ENR_GPIO_I_EN (1 << 8) -#define RCC_ENR_GPIO_J_EN (1 << 9) -#define RCC_ENR_GPIO_K_EN (1 << 10) - -#if !defined(CONFIG_STM32_HSE_HZ) -#error "CONFIG_STM32_HSE_HZ not defined!" -#else -#if (CONFIG_STM32_HSE_HZ == 8000000) -#if (CONFIG_SYS_CLK_FREQ == 180000000) -/* 180 MHz */ -struct pll_psc sys_pll_psc = { - .pll_m = 8, - .pll_n = 360, - .pll_p = 2, - .pll_q = 8, - .ahb_psc = AHB_PSC_1, - .apb1_psc = APB_PSC_4, - .apb2_psc = APB_PSC_2 -}; -#else -/* default 168 MHz */ -struct pll_psc sys_pll_psc = { - .pll_m = 8, - .pll_n = 336, - .pll_p = 2, - .pll_q = 7, - .ahb_psc = AHB_PSC_1, - .apb1_psc = APB_PSC_4, - .apb2_psc = APB_PSC_2 -}; -#endif -#else -#error "No PLL/Prescaler configuration for given CONFIG_STM32_HSE_HZ exists" -#endif -#endif - -int configure_clocks(void) -{ - /* Reset RCC configuration */ - setbits_le32(&STM32_RCC->cr, RCC_CR_HSION); - writel(0, &STM32_RCC->cfgr); /* Reset CFGR */ - clrbits_le32(&STM32_RCC->cr, (RCC_CR_HSEON | RCC_CR_CSSON - | RCC_CR_PLLON)); - writel(0x24003010, &STM32_RCC->pllcfgr); /* Reset value from RM */ - clrbits_le32(&STM32_RCC->cr, RCC_CR_HSEBYP); - writel(0, &STM32_RCC->cir); /* Disable all interrupts */ - - /* Configure for HSE+PLL operation */ - setbits_le32(&STM32_RCC->cr, RCC_CR_HSEON); - while (!(readl(&STM32_RCC->cr) & RCC_CR_HSERDY)) - ; - - /* Enable high performance mode, System frequency up to 180 MHz */ - setbits_le32(&STM32_RCC->apb1enr, RCC_APB1ENR_PWREN); - writel(PWR_CR_VOS_SCALE_MODE_1, &STM32_PWR->cr); - - setbits_le32(&STM32_RCC->cfgr, (( - sys_pll_psc.ahb_psc << RCC_CFGR_HPRE_SHIFT) - | (sys_pll_psc.apb1_psc << RCC_CFGR_PPRE1_SHIFT) - | (sys_pll_psc.apb2_psc << RCC_CFGR_PPRE2_SHIFT))); - - writel(sys_pll_psc.pll_m - | (sys_pll_psc.pll_n << RCC_PLLCFGR_PLLN_SHIFT) - | (((sys_pll_psc.pll_p >> 1) - 1) << RCC_PLLCFGR_PLLP_SHIFT) - | (sys_pll_psc.pll_q << RCC_PLLCFGR_PLLQ_SHIFT), - &STM32_RCC->pllcfgr); - setbits_le32(&STM32_RCC->pllcfgr, RCC_PLLCFGR_PLLSRC); - - setbits_le32(&STM32_RCC->cr, RCC_CR_PLLON); - - while (!(readl(&STM32_RCC->cr) & RCC_CR_PLLRDY)) - ; - - stm32_flash_latency_cfg(5); - clrbits_le32(&STM32_RCC->cfgr, (RCC_CFGR_SW0 | RCC_CFGR_SW1)); - setbits_le32(&STM32_RCC->cfgr, RCC_CFGR_SW_PLL); - - while ((readl(&STM32_RCC->cfgr) & RCC_CFGR_SWS_MASK) != - RCC_CFGR_SWS_PLL) - ; - - return 0; -} - -unsigned long clock_get(enum clock clck) -{ - u32 sysclk = 0; - u32 shift = 0; - /* Prescaler table lookups for clock computation */ - u8 ahb_psc_table[16] = { - 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 6, 7, 8, 9 - }; - u8 apb_psc_table[8] = { - 0, 0, 0, 0, 1, 2, 3, 4 - }; - - if ((readl(&STM32_RCC->cfgr) & RCC_CFGR_SWS_MASK) == - RCC_CFGR_SWS_PLL) { - u16 pllm, plln, pllp; - pllm = (readl(&STM32_RCC->pllcfgr) & RCC_PLLCFGR_PLLM_MASK); - plln = ((readl(&STM32_RCC->pllcfgr) & RCC_PLLCFGR_PLLN_MASK) - >> RCC_PLLCFGR_PLLN_SHIFT); - pllp = ((((readl(&STM32_RCC->pllcfgr) & RCC_PLLCFGR_PLLP_MASK) - >> RCC_PLLCFGR_PLLP_SHIFT) + 1) << 1); - sysclk = ((CONFIG_STM32_HSE_HZ / pllm) * plln) / pllp; - } - - switch (clck) { - case CLOCK_CORE: - return sysclk; - break; - case CLOCK_AHB: - shift = ahb_psc_table[( - (readl(&STM32_RCC->cfgr) & RCC_CFGR_AHB_PSC_MASK) - >> RCC_CFGR_HPRE_SHIFT)]; - return sysclk >>= shift; - break; - case CLOCK_APB1: - shift = apb_psc_table[( - (readl(&STM32_RCC->cfgr) & RCC_CFGR_APB1_PSC_MASK) - >> RCC_CFGR_PPRE1_SHIFT)]; - return sysclk >>= shift; - break; - case CLOCK_APB2: - shift = apb_psc_table[( - (readl(&STM32_RCC->cfgr) & RCC_CFGR_APB2_PSC_MASK) - >> RCC_CFGR_PPRE2_SHIFT)]; - return sysclk >>= shift; - break; - default: - return 0; - break; - } -} - -void clock_setup(int peripheral) -{ - switch (peripheral) { - case USART1_CLOCK_CFG: - setbits_le32(&STM32_RCC->apb2enr, RCC_ENR_USART1EN); - break; - case GPIO_A_CLOCK_CFG: - setbits_le32(&STM32_RCC->ahb1enr, RCC_ENR_GPIO_A_EN); - break; - case GPIO_B_CLOCK_CFG: - setbits_le32(&STM32_RCC->ahb1enr, RCC_ENR_GPIO_B_EN); - break; - case GPIO_C_CLOCK_CFG: - setbits_le32(&STM32_RCC->ahb1enr, RCC_ENR_GPIO_C_EN); - break; - case GPIO_D_CLOCK_CFG: - setbits_le32(&STM32_RCC->ahb1enr, RCC_ENR_GPIO_D_EN); - break; - case GPIO_E_CLOCK_CFG: - setbits_le32(&STM32_RCC->ahb1enr, RCC_ENR_GPIO_E_EN); - break; - case GPIO_F_CLOCK_CFG: - setbits_le32(&STM32_RCC->ahb1enr, RCC_ENR_GPIO_F_EN); - break; - case GPIO_G_CLOCK_CFG: - setbits_le32(&STM32_RCC->ahb1enr, RCC_ENR_GPIO_G_EN); - break; - case GPIO_H_CLOCK_CFG: - setbits_le32(&STM32_RCC->ahb1enr, RCC_ENR_GPIO_H_EN); - break; - case GPIO_I_CLOCK_CFG: - setbits_le32(&STM32_RCC->ahb1enr, RCC_ENR_GPIO_I_EN); - break; - case GPIO_J_CLOCK_CFG: - setbits_le32(&STM32_RCC->ahb1enr, RCC_ENR_GPIO_J_EN); - break; - case GPIO_K_CLOCK_CFG: - setbits_le32(&STM32_RCC->ahb1enr, RCC_ENR_GPIO_K_EN); - break; - default: - break; - } -} diff --git a/arch/arm/mach-stm32/stm32f4/timer.c b/arch/arm/mach-stm32/stm32f4/timer.c index 163f4616d3..00b1d4abda 100644 --- a/arch/arm/mach-stm32/stm32f4/timer.c +++ b/arch/arm/mach-stm32/stm32f4/timer.c @@ -51,12 +51,8 @@ int timer_init(void) setbits_le32(&STM32_RCC->apb1enr, RCC_APB1ENR_TIM2EN); - if (clock_get(CLOCK_AHB) == clock_get(CLOCK_APB1)) - writel((clock_get(CLOCK_APB1) / CONFIG_SYS_HZ_CLOCK) - 1, - &tim->psc); - else - writel(((clock_get(CLOCK_APB1) * 2) / CONFIG_SYS_HZ_CLOCK) - 1, - &tim->psc); + writel(((CONFIG_SYS_CLK_FREQ / 2) / CONFIG_SYS_HZ_CLOCK) - 1, + &tim->psc); writel(0xFFFFFFFF, &tim->arr); writel(TIM_CR1_CEN, &tim->cr1); diff --git a/arch/arm/mach-tegra/Kconfig b/arch/arm/mach-tegra/Kconfig index 51d143687b..fd0082d22a 100644 --- a/arch/arm/mach-tegra/Kconfig +++ b/arch/arm/mach-tegra/Kconfig @@ -60,8 +60,14 @@ config TEGRA_ARMV7_COMMON config TEGRA_ARMV8_COMMON bool "Tegra 64-bit common options" select ARM64 + select LINUX_KERNEL_IMAGE_HEADER select TEGRA_COMMON +if TEGRA_ARMV8_COMMON +config LNX_KRNL_IMG_TEXT_OFFSET_BASE + default 0x80000000 +endif + choice prompt "Tegra SoC select" optional diff --git a/arch/arm/mach-tegra/arm64-mmu.c b/arch/arm/mach-tegra/arm64-mmu.c index a79a5192e0..3a126bdec4 100644 --- a/arch/arm/mach-tegra/arm64-mmu.c +++ b/arch/arm/mach-tegra/arm64-mmu.c @@ -12,7 +12,8 @@ #include <asm/system.h> #include <asm/armv8/mmu.h> -static struct mm_region tegra_mem_map[] = { +/* size: IO + NR_DRAM_BANKS + terminator */ +struct mm_region tegra_mem_map[1 + CONFIG_NR_DRAM_BANKS + 1] = { { .virt = 0x0UL, .phys = 0x0UL, diff --git a/arch/arm/mach-tegra/tegra186/Kconfig b/arch/arm/mach-tegra/tegra186/Kconfig index b2e53b58ca..479c0955ee 100644 --- a/arch/arm/mach-tegra/tegra186/Kconfig +++ b/arch/arm/mach-tegra/tegra186/Kconfig @@ -21,6 +21,9 @@ endchoice config SYS_SOC default "tegra186" +config SYS_INIT_SP_BSS_OFFSET + default 524288 + source "board/nvidia/p2771-0000/Kconfig" endif diff --git a/arch/arm/mach-tegra/tegra186/nvtboot_board.c b/arch/arm/mach-tegra/tegra186/nvtboot_board.c index b94eb424aa..8ecb454443 100644 --- a/arch/arm/mach-tegra/tegra186/nvtboot_board.c +++ b/arch/arm/mach-tegra/tegra186/nvtboot_board.c @@ -1,16 +1,278 @@ /* - * Copyright (c) 2016, NVIDIA CORPORATION. + * Copyright (c) 2016-2018, NVIDIA CORPORATION. * * SPDX-License-Identifier: GPL-2.0+ */ +#include <stdlib.h> #include <common.h> #include <fdt_support.h> #include <fdtdec.h> #include <asm/arch/tegra.h> +#include <asm/armv8/mmu.h> + +DECLARE_GLOBAL_DATA_PTR; extern unsigned long nvtboot_boot_x0; +/* + * The following few functions run late during the boot process and dynamically + * calculate the load address of various binaries. To keep track of multiple + * allocations, some writable list of RAM banks must be used. tegra_mem_map[] + * is used for this purpose to avoid making yet another copy of the list of RAM + * banks. This is safe because tegra_mem_map[] is only used once during very + * early boot to create U-Boot's page tables, long before this code runs. If + * this assumption becomes invalid later, we can just fix the code to copy the + * list of RAM banks into some private data structure before running. + */ + +extern struct mm_region tegra_mem_map[]; + +static char *gen_varname(const char *var, const char *ext) +{ + size_t len_var = strlen(var); + size_t len_ext = strlen(ext); + size_t len = len_var + len_ext + 1; + char *varext = malloc(len); + + if (!varext) + return 0; + strcpy(varext, var); + strcpy(varext + len_var, ext); + return varext; +} + +static void mark_ram_allocated(int bank, u64 allocated_start, u64 allocated_end) +{ + u64 bank_start = tegra_mem_map[bank].virt; + u64 bank_size = tegra_mem_map[bank].size; + u64 bank_end = bank_start + bank_size; + bool keep_front = allocated_start != bank_start; + bool keep_tail = allocated_end != bank_end; + + if (keep_front && keep_tail) { + /* + * There are CONFIG_NR_DRAM_BANKS DRAM entries in the array, + * starting at index 1 (index 0 is MMIO). So, we are at DRAM + * entry "bank" not "bank - 1" as for a typical 0-base array. + * The number of remaining DRAM entries is therefore + * "CONFIG_NR_DRAM_BANKS - bank". We want to duplicate the + * current entry and shift up the remaining entries, dropping + * the last one. Thus, we must copy one fewer entry than the + * number remaining. + */ + memmove(&tegra_mem_map[bank + 1], &tegra_mem_map[bank], + CONFIG_NR_DRAM_BANKS - bank - 1); + tegra_mem_map[bank].size = allocated_start - bank_start; + bank++; + tegra_mem_map[bank].virt = allocated_end; + tegra_mem_map[bank].phys = allocated_end; + tegra_mem_map[bank].size = bank_end - allocated_end; + } else if (keep_front) { + tegra_mem_map[bank].size = allocated_start - bank_start; + } else if (keep_tail) { + tegra_mem_map[bank].virt = allocated_end; + tegra_mem_map[bank].phys = allocated_end; + tegra_mem_map[bank].size = bank_end - allocated_end; + } else { + /* + * We could move all subsequent banks down in the array but + * that's not necessary for subsequent allocations to work, so + * we skip doing so. + */ + tegra_mem_map[bank].size = 0; + } +} + +static void reserve_ram(u64 start, u64 size) +{ + int bank; + u64 end = start + size; + + for (bank = 1; bank <= CONFIG_NR_DRAM_BANKS; bank++) { + u64 bank_start = tegra_mem_map[bank].virt; + u64 bank_size = tegra_mem_map[bank].size; + u64 bank_end = bank_start + bank_size; + + if (end <= bank_start || start > bank_end) + continue; + mark_ram_allocated(bank, start, end); + break; + } +} + +static u64 alloc_ram(u64 size, u64 align, u64 offset) +{ + int bank; + + for (bank = 1; bank <= CONFIG_NR_DRAM_BANKS; bank++) { + u64 bank_start = tegra_mem_map[bank].virt; + u64 bank_size = tegra_mem_map[bank].size; + u64 bank_end = bank_start + bank_size; + u64 allocated = ROUND(bank_start, align) + offset; + u64 allocated_end = allocated + size; + + if (allocated_end > bank_end) + continue; + mark_ram_allocated(bank, allocated, allocated_end); + return allocated; + } + return 0; +} + +static void set_calculated_aliases(char *aliases, u64 address) +{ + char *tmp, *alias; + int err; + + aliases = strdup(aliases); + if (!aliases) { + pr_err("strdup(aliases) failed"); + return; + } + + tmp = aliases; + while (true) { + alias = strsep(&tmp, " "); + if (!alias) + break; + debug("%s: alias: %s\n", __func__, alias); + err = env_set_hex(alias, address); + if (err) + pr_err("Could not set %s\n", alias); + } + + free(aliases); +} + +static void set_calculated_env_var(const char *var) +{ + char *var_size; + char *var_align; + char *var_offset; + char *var_aliases; + u64 size; + u64 align; + u64 offset; + char *aliases; + u64 address; + int err; + + var_size = gen_varname(var, "_size"); + if (!var_size) + return; + var_align = gen_varname(var, "_align"); + if (!var_align) + goto out_free_var_size; + var_offset = gen_varname(var, "_offset"); + if (!var_offset) + goto out_free_var_align; + var_aliases = gen_varname(var, "_aliases"); + if (!var_aliases) + goto out_free_var_offset; + + size = env_get_hex(var_size, 0); + if (!size) { + pr_err("%s not set or zero\n", var_size); + goto out_free_var_aliases; + } + align = env_get_hex(var_align, 1); + /* Handle extant variables, but with a value of 0 */ + if (!align) + align = 1; + offset = env_get_hex(var_offset, 0); + aliases = env_get(var_aliases); + + debug("%s: Calc var %s; size=%llx, align=%llx, offset=%llx\n", + __func__, var, size, align, offset); + if (aliases) + debug("%s: Aliases: %s\n", __func__, aliases); + + address = alloc_ram(size, align, offset); + if (!address) { + pr_err("Could not allocate %s\n", var); + goto out_free_var_aliases; + } + debug("%s: Address %llx\n", __func__, address); + + err = env_set_hex(var, address); + if (err) + pr_err("Could not set %s\n", var); + if (aliases) + set_calculated_aliases(aliases, address); + +out_free_var_aliases: + free(var_aliases); +out_free_var_offset: + free(var_offset); +out_free_var_align: + free(var_align); +out_free_var_size: + free(var_size); +} + +#ifdef DEBUG +static void dump_ram_banks(void) +{ + int bank; + + for (bank = 1; bank <= CONFIG_NR_DRAM_BANKS; bank++) { + u64 bank_start = tegra_mem_map[bank].virt; + u64 bank_size = tegra_mem_map[bank].size; + u64 bank_end = bank_start + bank_size; + + if (!bank_size) + continue; + printf("%d: %010llx..%010llx (+%010llx)\n", bank - 1, + bank_start, bank_end, bank_size); + } +} +#endif + +static void set_calculated_env_vars(void) +{ + char *vars, *tmp, *var; + +#ifdef DEBUG + printf("RAM banks before any calculated env. var.s:\n"); + dump_ram_banks(); +#endif + + reserve_ram(nvtboot_boot_x0, fdt_totalsize(nvtboot_boot_x0)); + +#ifdef DEBUG + printf("RAM after reserving cboot DTB:\n"); + dump_ram_banks(); +#endif + + vars = env_get("calculated_vars"); + if (!vars) { + debug("%s: No env var calculated_vars\n", __func__); + return; + } + + vars = strdup(vars); + if (!vars) { + pr_err("strdup(calculated_vars) failed"); + return; + } + + tmp = vars; + while (true) { + var = strsep(&tmp, " "); + if (!var) + break; + debug("%s: var: %s\n", __func__, var); + set_calculated_env_var(var); +#ifdef DEBUG + printf("RAM banks affter allocating %s:\n", var); + dump_ram_banks(); +#endif + } + + free(vars); +} + static int set_fdt_addr(void) { int ret; @@ -60,6 +322,7 @@ static int set_ethaddr_from_nvtboot(void) int tegra_soc_board_init_late(void) { + set_calculated_env_vars(); /* * Ignore errors here; the value may not be used depending on * extlinux.conf or boot script content. diff --git a/arch/arm/mach-tegra/tegra186/nvtboot_mem.c b/arch/arm/mach-tegra/tegra186/nvtboot_mem.c index 5224ef641c..2ca59747d4 100644 --- a/arch/arm/mach-tegra/tegra186/nvtboot_mem.c +++ b/arch/arm/mach-tegra/tegra186/nvtboot_mem.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2016, NVIDIA CORPORATION. + * Copyright (c) 2016-2018, NVIDIA CORPORATION. * * SPDX-License-Identifier: GPL-2.0+ */ @@ -8,28 +8,48 @@ #include <fdt_support.h> #include <fdtdec.h> #include <asm/arch/tegra.h> +#include <asm/armv8/mmu.h> + +#define SZ_4G 0x100000000ULL + +/* + * Size of a region that's large enough to hold the relocated U-Boot and all + * other allocations made around it (stack, heap, page tables, etc.) + * In practice, running "bdinfo" at the shell prompt, the stack reaches about + * 5MB from the address selected for ram_top as of the time of writing, + * so a 16MB region should be plenty. + */ +#define MIN_USABLE_RAM_SIZE SZ_16M +/* + * The amount of space we expect to require for stack usage. Used to validate + * that all reservations fit into the region selected for the relocation target + */ +#define MIN_USABLE_STACK_SIZE SZ_1M DECLARE_GLOBAL_DATA_PTR; extern unsigned long nvtboot_boot_x0; +extern struct mm_region tegra_mem_map[]; /* - * A parsed version of /memory/reg from the DTB that is passed to U-Boot in x0. - * - * We only support up to two banks since that's all the binary bootloader - * ever sets. We assume bank 0 is RAM below 4G and bank 1 is RAM above 4G. - * This is all a fairly safe assumption, since the L4T kernel makes the same - * assumptions, so the bootloader is unlikely to change. - * - * This is written to before relocation, and hence cannot be in .bss, since - * .bss overlaps the DTB that's appended to the U-Boot binary. The initializer - * forces this into .data and avoids this issue. This also has the nice side- - * effect of the content being valid after relocation. + * These variables are written to before relocation, and hence cannot be + * in.bss, since .bss overlaps the DTB that's appended to the U-Boot binary. + * The section attribute forces this into .data and avoids this issue. This + * also has the nice side-effect of the content being valid after relocation. + */ + +/* The number of valid entries in ram_banks[] */ +static int ram_bank_count __attribute__((section(".data"))); + +/* + * The usable top-of-RAM for U-Boot. This is both: + * a) Below 4GB to avoid issues with peripherals that use 32-bit addressing. + * b) At the end of a region that has enough space to hold the relocated U-Boot + * and all other allocations made around it (stack, heap, page tables, etc.) */ -static struct { - u64 start; - u64 size; -} ram_banks[2] = {{1}}; +static u64 ram_top __attribute__((section(".data"))); +/* The base address of the region of RAM that ends at ram_top */ +static u64 region_base __attribute__((section(".data"))); int dram_init(void) { @@ -38,8 +58,6 @@ int dram_init(void) int node, len, i; const u32 *prop; - memset(ram_banks, 0, sizeof(ram_banks)); - na = fdtdec_get_uint(nvtboot_blob, 0, "#address-cells", 2); ns = fdtdec_get_uint(nvtboot_blob, 0, "#size-cells", 2); @@ -54,37 +72,103 @@ int dram_init(void) hang(); } - len /= (na + ns); - if (len > ARRAY_SIZE(ram_banks)) - len = ARRAY_SIZE(ram_banks); + /* Calculate the true # of base/size pairs to read */ + len /= 4; /* Convert bytes to number of cells */ + len /= (na + ns); /* Convert cells to number of banks */ + if (len > CONFIG_NR_DRAM_BANKS) + len = CONFIG_NR_DRAM_BANKS; + /* Parse the /memory node, and save useful entries */ gd->ram_size = 0; + ram_bank_count = 0; for (i = 0; i < len; i++) { - ram_banks[i].start = fdt_read_number(prop, na); + u64 bank_start, bank_end, bank_size, usable_bank_size; + + /* Extract raw memory region data from DTB */ + bank_start = fdt_read_number(prop, na); prop += na; - ram_banks[i].size = fdt_read_number(prop, ns); + bank_size = fdt_read_number(prop, ns); prop += ns; - gd->ram_size += ram_banks[i].size; + gd->ram_size += bank_size; + bank_end = bank_start + bank_size; + debug("Bank %d: %llx..%llx (+%llx)\n", i, + bank_start, bank_end, bank_size); + + /* + * Align the bank to MMU section size. This is not strictly + * necessary, since the translation table construction code + * handles page granularity without issue. However, aligning + * the MMU entries reduces the size and number of levels in the + * page table, so is worth it. + */ + bank_start = ROUND(bank_start, SZ_2M); + bank_end = bank_end & ~(SZ_2M - 1); + bank_size = bank_end - bank_start; + debug(" aligned: %llx..%llx (+%llx)\n", + bank_start, bank_end, bank_size); + if (bank_end <= bank_start) + continue; + + /* Record data used to create MMU translation tables */ + ram_bank_count++; + /* Index below is deliberately 1-based to skip MMIO entry */ + tegra_mem_map[ram_bank_count].virt = bank_start; + tegra_mem_map[ram_bank_count].phys = bank_start; + tegra_mem_map[ram_bank_count].size = bank_size; + tegra_mem_map[ram_bank_count].attrs = + PTE_BLOCK_MEMTYPE(MT_NORMAL) | PTE_BLOCK_INNER_SHARE; + + /* Determine best bank to relocate U-Boot into */ + if (bank_end > SZ_4G) + bank_end = SZ_4G; + debug(" end %llx (usable)\n", bank_end); + usable_bank_size = bank_end - bank_start; + debug(" size %llx (usable)\n", usable_bank_size); + if ((usable_bank_size >= MIN_USABLE_RAM_SIZE) && + (bank_end > ram_top)) { + ram_top = bank_end; + region_base = bank_start; + debug("ram top now %llx\n", ram_top); + } + } + + /* Ensure memory map contains the desired sentinel entry */ + tegra_mem_map[ram_bank_count + 1].virt = 0; + tegra_mem_map[ram_bank_count + 1].phys = 0; + tegra_mem_map[ram_bank_count + 1].size = 0; + tegra_mem_map[ram_bank_count + 1].attrs = 0; + + /* Error out if a relocation target couldn't be found */ + if (!ram_top) { + pr_err("Can't find a usable RAM top"); + hang(); } return 0; } -extern unsigned long nvtboot_boot_x0; - int dram_init_banksize(void) { int i; - for (i = 0; i < 2; i++) { - gd->bd->bi_dram[i].start = ram_banks[i].start; - gd->bd->bi_dram[i].size = ram_banks[i].size; + if ((gd->start_addr_sp - region_base) < MIN_USABLE_STACK_SIZE) { + pr_err("Reservations exceed chosen region size"); + hang(); + } + + for (i = 0; i < ram_bank_count; i++) { + gd->bd->bi_dram[i].start = tegra_mem_map[1 + i].virt; + gd->bd->bi_dram[i].size = tegra_mem_map[1 + i].size; } +#ifdef CONFIG_PCI + gd->pci_ram_top = ram_top; +#endif + return 0; } ulong board_get_usable_ram_top(ulong total_size) { - return ram_banks[0].start + ram_banks[0].size; + return ram_top; } diff --git a/arch/arm/mach-tegra/tegra210/Kconfig b/arch/arm/mach-tegra/tegra210/Kconfig index 3637473051..250738aed3 100644 --- a/arch/arm/mach-tegra/tegra210/Kconfig +++ b/arch/arm/mach-tegra/tegra210/Kconfig @@ -40,6 +40,9 @@ endchoice config SYS_SOC default "tegra210" +config SYS_INIT_SP_BSS_OFFSET + default 524288 + source "board/nvidia/e2220-1170/Kconfig" source "board/nvidia/p2371-0000/Kconfig" source "board/nvidia/p2371-2180/Kconfig" diff --git a/arch/arm/mach-uniphier/dram_init.c b/arch/arm/mach-uniphier/dram_init.c index e9672d2f1b..f678114251 100644 --- a/arch/arm/mach-uniphier/dram_init.c +++ b/arch/arm/mach-uniphier/dram_init.c @@ -205,6 +205,7 @@ int dram_init(void) return ret; for (i = 0; i < ARRAY_SIZE(dram_map); i++) { + unsigned long max_size; if (!dram_map[i].size) break; @@ -218,9 +219,32 @@ int dram_init(void) dram_map[i].base) break; + /* + * Do not use memory that exceeds 32bit address range. U-Boot + * relocates itself to the end of the effectively available RAM. + * This could be a problem for DMA engines that do not support + * 64bit address (SDMA of SDHCI, UniPhier AV-ether, etc.) + */ + if (dram_map[i].base >= 1ULL << 32) + break; + + max_size = (1ULL << 32) - dram_map[i].base; + + if (dram_map[i].size > max_size) { + gd->ram_size += max_size; + break; + } + gd->ram_size += dram_map[i].size; } + /* + * LD20 uses the last 64 byte for each channel for dynamic + * DDR PHY training + */ + if (uniphier_get_soc_id() == UNIPHIER_LD20_ID) + gd->ram_size -= 64; + return 0; } diff --git a/arch/powerpc/cpu/mpc85xx/cpu_init.c b/arch/powerpc/cpu/mpc85xx/cpu_init.c index ea46e49853..b350bfeb06 100644 --- a/arch/powerpc/cpu/mpc85xx/cpu_init.c +++ b/arch/powerpc/cpu/mpc85xx/cpu_init.c @@ -26,6 +26,7 @@ #ifdef CONFIG_FSL_CORENET #include <asm/fsl_portals.h> #include <asm/fsl_liodn.h> +#include <fsl_qbman.h> #endif #include <fsl_usb.h> #include <hwconfig.h> @@ -804,7 +805,7 @@ int cpu_init_r(void) #ifdef CONFIG_FSL_CORENET set_liodns(); #ifdef CONFIG_SYS_DPAA_QBMAN - setup_portals(); + setup_qbman_portals(); #endif #endif diff --git a/arch/powerpc/cpu/mpc85xx/fdt.c b/arch/powerpc/cpu/mpc85xx/fdt.c index 297dc4af48..1159f06ee3 100644 --- a/arch/powerpc/cpu/mpc85xx/fdt.c +++ b/arch/powerpc/cpu/mpc85xx/fdt.c @@ -15,6 +15,7 @@ #include <asm/io.h> #include <asm/fsl_fdt.h> #include <asm/fsl_portals.h> +#include <fsl_qbman.h> #include <hwconfig.h> #ifdef CONFIG_FSL_ESDHC #include <fsl_esdhc.h> diff --git a/arch/powerpc/cpu/mpc85xx/portals.c b/arch/powerpc/cpu/mpc85xx/portals.c index 3777c6faa1..b298d11b9d 100644 --- a/arch/powerpc/cpu/mpc85xx/portals.c +++ b/arch/powerpc/cpu/mpc85xx/portals.c @@ -14,75 +14,6 @@ #include <asm/fsl_portals.h> #include <asm/fsl_liodn.h> -#define MAX_BPORTALS (CONFIG_SYS_BMAN_CINH_SIZE / CONFIG_SYS_BMAN_SP_CINH_SIZE) -#define MAX_QPORTALS (CONFIG_SYS_QMAN_CINH_SIZE / CONFIG_SYS_QMAN_SP_CINH_SIZE) -static void inhibit_portals(void __iomem *addr, int max_portals, - int arch_max_portals, int portal_cinh_size) -{ - uint32_t val; - int i; - - /* arch_max_portals is the maximum based on memory size. This includes - * the reserved memory in the SoC. max_portals the number of physical - * portals in the SoC */ - if (max_portals > arch_max_portals) { - printf("ERROR: portal config error\n"); - max_portals = arch_max_portals; - } - - for (i = 0; i < max_portals; i++) { - out_be32(addr, -1); - val = in_be32(addr); - if (!val) { - printf("ERROR: Stopped after %d portals\n", i); - goto done; - } - addr += portal_cinh_size; - } -#ifdef DEBUG - printf("Cleared %d portals\n", i); -#endif -done: - - return; -} - -void setup_portals(void) -{ - ccsr_qman_t *qman = (void *)CONFIG_SYS_FSL_QMAN_ADDR; - void __iomem *bpaddr = (void *)CONFIG_SYS_BMAN_CINH_BASE + - CONFIG_SYS_BMAN_SWP_ISDR_REG; - void __iomem *qpaddr = (void *)CONFIG_SYS_QMAN_CINH_BASE + - CONFIG_SYS_QMAN_SWP_ISDR_REG; -#ifdef CONFIG_FSL_CORENET - int i; - - for (i = 0; i < CONFIG_SYS_QMAN_NUM_PORTALS; i++) { - u8 sdest = qp_info[i].sdest; - u16 fliodn = qp_info[i].fliodn; - u16 dliodn = qp_info[i].dliodn; - u16 liodn_off = qp_info[i].liodn_offset; - - out_be32(&qman->qcsp[i].qcsp_lio_cfg, (liodn_off << 16) | - dliodn); - /* set frame liodn */ - out_be32(&qman->qcsp[i].qcsp_io_cfg, (sdest << 16) | fliodn); - } -#endif - - /* Set the Qman initiator BAR to match the LAW (for DQRR stashing) */ -#ifdef CONFIG_PHYS_64BIT - out_be32(&qman->qcsp_bare, (u32)(CONFIG_SYS_QMAN_MEM_PHYS >> 32)); -#endif - out_be32(&qman->qcsp_bar, (u32)CONFIG_SYS_QMAN_MEM_PHYS); - - /* Change default state of BMan ISDR portals to all 1s */ - inhibit_portals(bpaddr, CONFIG_SYS_BMAN_NUM_PORTALS, MAX_BPORTALS, - CONFIG_SYS_BMAN_SP_CINH_SIZE); - inhibit_portals(qpaddr, CONFIG_SYS_QMAN_NUM_PORTALS, MAX_QPORTALS, - CONFIG_SYS_QMAN_SP_CINH_SIZE); -} - /* Update portal containter to match LAW setup of portal in phy map */ void fdt_portal(void *blob, const char *compat, const char *container, u64 addr, u32 size) @@ -142,215 +73,3 @@ void fdt_portal(void *blob, const char *compat, const char *container, printf("ERROR: %s isn't in a container. Not supported\n", compat); } - -static int fdt_qportal(void *blob, int off, int id, char *name, - enum fsl_dpaa_dev dev, int create) -{ - int childoff, dev_off, ret = 0; - uint32_t dev_handle; -#ifdef CONFIG_FSL_CORENET - int num; - u32 liodns[2]; -#endif - - childoff = fdt_subnode_offset(blob, off, name); - if (create) { - char handle[64], *p; - - strncpy(handle, name, sizeof(handle)); - p = strchr(handle, '@'); - if (!strncmp(name, "fman", 4)) { - *p = *(p + 1); - p++; - } - *p = '\0'; - - dev_off = fdt_path_offset(blob, handle); - /* skip this node if alias is not found */ - if (dev_off == -FDT_ERR_BADPATH) - return 0; - if (dev_off < 0) - return dev_off; - - if (childoff <= 0) - childoff = fdt_add_subnode(blob, off, name); - - /* need to update the dev_off after adding a subnode */ - dev_off = fdt_path_offset(blob, handle); - if (dev_off < 0) - return dev_off; - - if (childoff > 0) { - dev_handle = fdt_get_phandle(blob, dev_off); - if (dev_handle <= 0) { - dev_handle = fdt_alloc_phandle(blob); - ret = fdt_set_phandle(blob, dev_off, - dev_handle); - if (ret < 0) - return ret; - } - - ret = fdt_setprop(blob, childoff, "dev-handle", - &dev_handle, sizeof(dev_handle)); - if (ret < 0) - return ret; - -#ifdef CONFIG_FSL_CORENET - num = get_dpaa_liodn(dev, &liodns[0], id); - ret = fdt_setprop(blob, childoff, "fsl,liodn", - &liodns[0], sizeof(u32) * num); - if (!strncmp(name, "pme", 3)) { - u32 pme_rev1, pme_rev2; - ccsr_pme_t *pme_regs = - (void *)CONFIG_SYS_FSL_CORENET_PME_ADDR; - - pme_rev1 = in_be32(&pme_regs->pm_ip_rev_1); - pme_rev2 = in_be32(&pme_regs->pm_ip_rev_2); - ret = fdt_setprop(blob, childoff, - "fsl,pme-rev1", &pme_rev1, sizeof(u32)); - if (ret < 0) - return ret; - ret = fdt_setprop(blob, childoff, - "fsl,pme-rev2", &pme_rev2, sizeof(u32)); - } -#endif - } else { - return childoff; - } - } else { - if (childoff > 0) - ret = fdt_del_node(blob, childoff); - } - - return ret; -} - -void fdt_fixup_qportals(void *blob) -{ - int off, err; - unsigned int maj, min; - unsigned int ip_cfg; - ccsr_qman_t *qman = (void *)CONFIG_SYS_FSL_QMAN_ADDR; - u32 rev_1 = in_be32(&qman->ip_rev_1); - u32 rev_2 = in_be32(&qman->ip_rev_2); - char compat[64]; - int compat_len; - - maj = (rev_1 >> 8) & 0xff; - min = rev_1 & 0xff; - ip_cfg = rev_2 & 0xff; - - compat_len = sprintf(compat, "fsl,qman-portal-%u.%u.%u", - maj, min, ip_cfg) + 1; - compat_len += sprintf(compat + compat_len, "fsl,qman-portal") + 1; - - off = fdt_node_offset_by_compatible(blob, -1, "fsl,qman-portal"); - while (off != -FDT_ERR_NOTFOUND) { -#ifdef CONFIG_FSL_CORENET - u32 liodns[2]; -#endif - const int *ci = fdt_getprop(blob, off, "cell-index", &err); - int i; - - if (!ci) - goto err; - - i = *ci; -#ifdef CONFIG_SYS_DPAA_FMAN - int j; -#endif - - err = fdt_setprop(blob, off, "compatible", compat, compat_len); - if (err < 0) - goto err; - -#ifdef CONFIG_FSL_CORENET - liodns[0] = qp_info[i].dliodn; - liodns[1] = qp_info[i].fliodn; - - err = fdt_setprop(blob, off, "fsl,liodn", - &liodns, sizeof(u32) * 2); - if (err < 0) - goto err; -#endif - - i++; - - err = fdt_qportal(blob, off, i, "crypto@0", FSL_HW_PORTAL_SEC, - IS_E_PROCESSOR(get_svr())); - if (err < 0) - goto err; - -#ifdef CONFIG_FSL_CORENET -#ifdef CONFIG_SYS_DPAA_PME - err = fdt_qportal(blob, off, i, "pme@0", FSL_HW_PORTAL_PME, 1); - if (err < 0) - goto err; -#else - fdt_qportal(blob, off, i, "pme@0", FSL_HW_PORTAL_PME, 0); -#endif -#endif - -#ifdef CONFIG_SYS_DPAA_FMAN - for (j = 0; j < CONFIG_SYS_NUM_FMAN; j++) { - char name[] = "fman@0"; - - name[sizeof(name) - 2] = '0' + j; - err = fdt_qportal(blob, off, i, name, - FSL_HW_PORTAL_FMAN1 + j, 1); - if (err < 0) - goto err; - } -#endif -#ifdef CONFIG_SYS_DPAA_RMAN - err = fdt_qportal(blob, off, i, "rman@0", - FSL_HW_PORTAL_RMAN, 1); - if (err < 0) - goto err; -#endif - -err: - if (err < 0) { - printf("ERROR: unable to create props for %s: %s\n", - fdt_get_name(blob, off, NULL), fdt_strerror(err)); - return; - } - - off = fdt_node_offset_by_compatible(blob, off, "fsl,qman-portal"); - } -} - -void fdt_fixup_bportals(void *blob) -{ - int off, err; - unsigned int maj, min; - unsigned int ip_cfg; - ccsr_bman_t *bman = (void *)CONFIG_SYS_FSL_BMAN_ADDR; - u32 rev_1 = in_be32(&bman->ip_rev_1); - u32 rev_2 = in_be32(&bman->ip_rev_2); - char compat[64]; - int compat_len; - - maj = (rev_1 >> 8) & 0xff; - min = rev_1 & 0xff; - - ip_cfg = rev_2 & 0xff; - - compat_len = sprintf(compat, "fsl,bman-portal-%u.%u.%u", - maj, min, ip_cfg) + 1; - compat_len += sprintf(compat + compat_len, "fsl,bman-portal") + 1; - - off = fdt_node_offset_by_compatible(blob, -1, "fsl,bman-portal"); - while (off != -FDT_ERR_NOTFOUND) { - err = fdt_setprop(blob, off, "compatible", compat, compat_len); - if (err < 0) { - printf("ERROR: unable to create props for %s: %s\n", - fdt_get_name(blob, off, NULL), - fdt_strerror(err)); - return; - } - - off = fdt_node_offset_by_compatible(blob, off, "fsl,bman-portal"); - } - -} diff --git a/arch/powerpc/include/asm/fsl_liodn.h b/arch/powerpc/include/asm/fsl_liodn.h index 8c91e722f4..0ccb79c7e7 100644 --- a/arch/powerpc/include/asm/fsl_liodn.h +++ b/arch/powerpc/include/asm/fsl_liodn.h @@ -8,6 +8,7 @@ #define _FSL_LIODN_H_ #include <asm/types.h> +#include <fsl_qbman.h> struct srio_liodn_id_table { u32 id[2]; @@ -128,12 +129,14 @@ extern void fdt_fixup_liodn(void *blob); CONFIG_SYS_MPC85xx_TDM_OFFSET) #define SET_QMAN_LIODN(liodn) \ - SET_LIODN_ENTRY_1("fsl,qman", liodn, offsetof(ccsr_qman_t, liodnr) + \ + SET_LIODN_ENTRY_1("fsl,qman", liodn, \ + offsetof(struct ccsr_qman, liodnr) + \ CONFIG_SYS_FSL_QMAN_OFFSET, \ CONFIG_SYS_FSL_QMAN_OFFSET) #define SET_BMAN_LIODN(liodn) \ - SET_LIODN_ENTRY_1("fsl,bman", liodn, offsetof(ccsr_bman_t, liodnr) + \ + SET_LIODN_ENTRY_1("fsl,bman", liodn, \ + offsetof(struct ccsr_bman, liodnr) + \ CONFIG_SYS_FSL_BMAN_OFFSET, \ CONFIG_SYS_FSL_BMAN_OFFSET) diff --git a/arch/powerpc/include/asm/fsl_portals.h b/arch/powerpc/include/asm/fsl_portals.h index f13ba14579..10d459e2bc 100644 --- a/arch/powerpc/include/asm/fsl_portals.h +++ b/arch/powerpc/include/asm/fsl_portals.h @@ -41,10 +41,6 @@ struct qportal_info { extern int get_dpaa_liodn(enum fsl_dpaa_dev dpaa_dev, u32 *liodns, int liodn_offset); -extern void setup_portals(void); -extern void fdt_fixup_qportals(void *blob); -extern void fdt_fixup_bportals(void *blob); - extern struct qportal_info qp_info[]; extern void fdt_portal(void *blob, const char *compat, const char *container, u64 addr, u32 size); diff --git a/arch/powerpc/include/asm/immap_85xx.h b/arch/powerpc/include/asm/immap_85xx.h index ee537f4ac9..841f3d95c1 100644 --- a/arch/powerpc/include/asm/immap_85xx.h +++ b/arch/powerpc/include/asm/immap_85xx.h @@ -2702,66 +2702,6 @@ enum { FSL_SRDS_B3_LANE_D = 23, }; -typedef struct ccsr_qman { -#ifdef CONFIG_SYS_FSL_QMAN_V3 - u8 res0[0x200]; -#else - struct { - u32 qcsp_lio_cfg; /* 0x0 - SW Portal n LIO cfg */ - u32 qcsp_io_cfg; /* 0x4 - SW Portal n IO cfg */ - u32 res; - u32 qcsp_dd_cfg; /* 0xc - SW Portal n Dynamic Debug cfg */ - } qcsp[32]; -#endif - /* Not actually reserved, but irrelevant to u-boot */ - u8 res[0xbf8 - 0x200]; - u32 ip_rev_1; - u32 ip_rev_2; - u32 fqd_bare; /* FQD Extended Base Addr Register */ - u32 fqd_bar; /* FQD Base Addr Register */ - u8 res1[0x8]; - u32 fqd_ar; /* FQD Attributes Register */ - u8 res2[0xc]; - u32 pfdr_bare; /* PFDR Extended Base Addr Register */ - u32 pfdr_bar; /* PFDR Base Addr Register */ - u8 res3[0x8]; - u32 pfdr_ar; /* PFDR Attributes Register */ - u8 res4[0x4c]; - u32 qcsp_bare; /* QCSP Extended Base Addr Register */ - u32 qcsp_bar; /* QCSP Base Addr Register */ - u8 res5[0x78]; - u32 ci_sched_cfg; /* Initiator Scheduling Configuration */ - u32 srcidr; /* Source ID Register */ - u32 liodnr; /* LIODN Register */ - u8 res6[4]; - u32 ci_rlm_cfg; /* Initiator Read Latency Monitor Cfg */ - u32 ci_rlm_avg; /* Initiator Read Latency Monitor Avg */ - u8 res7[0x2e8]; -#ifdef CONFIG_SYS_FSL_QMAN_V3 - struct { - u32 qcsp_lio_cfg; /* 0x0 - SW Portal n LIO cfg */ - u32 qcsp_io_cfg; /* 0x4 - SW Portal n IO cfg */ - u32 res; - u32 qcsp_dd_cfg; /* 0xc - SW Portal n Dynamic Debug cfg*/ - } qcsp[50]; -#endif -} ccsr_qman_t; - -typedef struct ccsr_bman { - /* Not actually reserved, but irrelevant to u-boot */ - u8 res[0xbf8]; - u32 ip_rev_1; - u32 ip_rev_2; - u32 fbpr_bare; /* FBPR Extended Base Addr Register */ - u32 fbpr_bar; /* FBPR Base Addr Register */ - u8 res1[0x8]; - u32 fbpr_ar; /* FBPR Attributes Register */ - u8 res2[0xf0]; - u32 srcidr; /* Source ID Register */ - u32 liodnr; /* LIODN Register */ - u8 res7[0x2f4]; -} ccsr_bman_t; - typedef struct ccsr_pme { u8 res0[0x804]; u32 liodnbr; /* LIODN Base Register */ diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig new file mode 100644 index 0000000000..c50be37c97 --- /dev/null +++ b/arch/riscv/Kconfig @@ -0,0 +1,42 @@ +menu "RISCV architecture" + depends on RISCV + +config SYS_ARCH + default "riscv" + +choice + prompt "Target select" + optional + +config TARGET_NX25_AE250 + bool "Support nx25-ae250" + +endchoice + +source "board/AndesTech/nx25-ae250/Kconfig" + +choice + prompt "CPU selection" + default CPU_RISCV_32 + +config CPU_RISCV_32 + bool "RISCV 32 bit" + select 32BIT + help + Choose this option to build an U-Boot for RISCV32 architecture. + +config CPU_RISCV_64 + bool "RISCV 64 bit" + select 64BIT + help + Choose this option to build an U-Boot for RISCV64 architecture. + +endchoice + +config 32BIT + bool + +config 64BIT + bool + +endmenu diff --git a/arch/riscv/Makefile b/arch/riscv/Makefile new file mode 100644 index 0000000000..09d24db7a9 --- /dev/null +++ b/arch/riscv/Makefile @@ -0,0 +1,11 @@ +# +# Copyright (C) 2017 Andes Technology Corporation. +# Rick Chen, Andes Technology Corporation <rick@andestech.com> +# +# SPDX-License-Identifier: GPL-2.0+ +# + +head-y := arch/riscv/cpu/$(CPU)/start.o + +libs-y += arch/riscv/cpu/$(CPU)/ +libs-y += arch/riscv/lib/ diff --git a/arch/riscv/config.mk b/arch/riscv/config.mk new file mode 100644 index 0000000000..6b681c4286 --- /dev/null +++ b/arch/riscv/config.mk @@ -0,0 +1,33 @@ +# +# (C) Copyright 2000-2002 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# Copyright (c) 2017 Microsemi Corporation. +# Padmarao Begari, Microsemi Corporation <padmarao.begari@microsemi.com> +# +# Copyright (C) 2017 Andes Technology Corporation +# Rick Chen, Andes Technology Corporation <rick@andestech.com> +# +# SPDX-License-Identifier: GPL-2.0+ + +ifeq ($(CROSS_COMPILE),) +CROSS_COMPILE := riscv32-unknown-linux-gnu- +endif + +32bit-emul := elf32lriscv +64bit-emul := elf64lriscv + +ifdef CONFIG_32BIT +PLATFORM_LDFLAGS += -m $(32bit-emul) +endif + +ifdef CONFIG_64BIT +PLATFORM_LDFLAGS += -m $(64bit-emul) +endif + +CONFIG_STANDALONE_LOAD_ADDR = 0x00000000 \ + -T $(srctree)/examples/standalone/riscv.lds + +PLATFORM_CPPFLAGS += -ffixed-gp -fpic +PLATFORM_RELFLAGS += -fno-strict-aliasing -fno-common -gdwarf-2 +LDFLAGS_u-boot += --gc-sections -static -pie diff --git a/arch/riscv/cpu/nx25/Makefile b/arch/riscv/cpu/nx25/Makefile new file mode 100644 index 0000000000..5fcf1007c2 --- /dev/null +++ b/arch/riscv/cpu/nx25/Makefile @@ -0,0 +1,10 @@ +# +# Copyright (C) 2017 Andes Technology Corporation +# Rick Chen, Andes Technology Corporation <rick@andestech.com> +# +# SPDX-License-Identifier: GPL-2.0+ +# + +extra-y = start.o + +obj-y := cpu.o diff --git a/arch/riscv/cpu/nx25/cpu.c b/arch/riscv/cpu/nx25/cpu.c new file mode 100644 index 0000000000..5478f4f2de --- /dev/null +++ b/arch/riscv/cpu/nx25/cpu.c @@ -0,0 +1,33 @@ +/* + * Copyright (C) 2017 Andes Technology Corporation + * Rick Chen, Andes Technology Corporation <rick@andestech.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +/* CPU specific code */ +#include <common.h> +#include <command.h> +#include <watchdog.h> +#include <asm/cache.h> + +/* + * cleanup_before_linux() is called just before we call linux + * it prepares the processor for linux + * + * we disable interrupt and caches. + */ +int cleanup_before_linux(void) +{ + disable_interrupts(); + + /* turn off I/D-cache */ + + return 0; +} + +int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + disable_interrupts(); + panic("nx25-ae250 wdt not support yet.\n"); +} diff --git a/arch/riscv/cpu/nx25/start.S b/arch/riscv/cpu/nx25/start.S new file mode 100644 index 0000000000..6a076639d3 --- /dev/null +++ b/arch/riscv/cpu/nx25/start.S @@ -0,0 +1,291 @@ +/* + * Startup Code for RISC-V Core + * + * Copyright (c) 2017 Microsemi Corporation. + * Copyright (c) 2017 Padmarao Begari <Padmarao.Begari@microsemi.com> + * + * Copyright (C) 2017 Andes Technology Corporation + * Rick Chen, Andes Technology Corporation <rick@andestech.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <asm-offsets.h> +#include <config.h> +#include <common.h> +#include <elf.h> +#include <asm/encoding.h> + +#ifdef CONFIG_32BIT +#define LREG lw +#define SREG sw +#define REGBYTES 4 +#define RELOC_TYPE R_RISCV_32 +#define SYM_INDEX 0x8 +#define SYM_SIZE 0x10 +#else +#define LREG ld +#define SREG sd +#define REGBYTES 8 +#define RELOC_TYPE R_RISCV_64 +#define SYM_INDEX 0x20 +#define SYM_SIZE 0x18 +#endif + +.section .text +.globl _start +_start: + j handle_reset + +nmi_vector: + j nmi_vector + +trap_vector: + j trap_entry + +.global trap_entry +handle_reset: + la t0, trap_entry + csrw mtvec, t0 + csrwi mstatus, 0 + csrwi mie, 0 + +/* + * Do CPU critical regs init only at reboot, + * not when booting from ram + */ +#ifdef CONFIG_INIT_CRITICAL + jal cpu_init_crit /* Do CPU critical regs init */ +#endif + +/* + * Set stackpointer in internal/ex RAM to call board_init_f + */ +call_board_init_f: + li t0, -16 + li t1, CONFIG_SYS_INIT_SP_ADDR + and sp, t1, t0 /* force 16 byte alignment */ + +#ifdef CONFIG_DEBUG_UART + jal debug_uart_init +#endif + +call_board_init_f_0: + mv a0, sp + jal board_init_f_alloc_reserve + mv sp, a0 + jal board_init_f_init_reserve + + mv a0, zero /* a0 <-- boot_flags = 0 */ + la t5, board_init_f + jr t5 /* jump to board_init_f() */ + +/* + * void relocate_code (addr_sp, gd, addr_moni) + * + * This "function" does not return, instead it continues in RAM + * after relocating the monitor code. + * + */ +.globl relocate_code +relocate_code: + mv s2, a0 /* save addr_sp */ + mv s3, a1 /* save addr of gd */ + mv s4, a2 /* save addr of destination */ + +/* + *Set up the stack + */ +stack_setup: + mv sp, s2 + la t0, _start + sub t6, s4, t0 /* t6 <- relocation offset */ + beq t0, s4, clear_bss /* skip relocation */ + + mv t1, s4 /* t1 <- scratch for copy_loop */ + la t3, __bss_start + sub t3, t3, t0 /* t3 <- __bss_start_ofs */ + add t2, t0, t3 /* t2 <- source end address */ + +copy_loop: + LREG t5, 0(t0) + addi t0, t0, REGBYTES + SREG t5, 0(t1) + addi t1, t1, REGBYTES + blt t0, t2, copy_loop + +/* + * Update dynamic relocations after board_init_f + */ +fix_rela_dyn: + la t1, __rel_dyn_start + la t2, __rel_dyn_end + beq t1, t2, clear_bss + add t1, t1, t6 /* t1 <- rela_dyn_start in RAM */ + add t2, t2, t6 /* t2 <- rela_dyn_end in RAM */ + +/* + * skip first reserved entry: address, type, addend + */ + bne t1, t2, 7f + +6: + LREG t5, -(REGBYTES*2)(t1) /* t5 <-- relocation info:type */ + li t3, R_RISCV_RELATIVE /* reloc type R_RISCV_RELATIVE */ + bne t5, t3, 8f /* skip non-RISCV_RELOC entries */ + LREG t3, -(REGBYTES*3)(t1) + LREG t5, -(REGBYTES)(t1) /* t5 <-- addend */ + add t5, t5, t6 /* t5 <-- location to fix up in RAM */ + add t3, t3, t6 /* t3 <-- location to fix up in RAM */ + SREG t5, 0(t3) +7: + addi t1, t1, (REGBYTES*3) + ble t1, t2, 6b + +8: + la t4, __dyn_sym_start + add t4, t4, t6 + +9: + LREG t5, -(REGBYTES*2)(t1) /* t5 <-- relocation info:type */ + srli t0, t5, SYM_INDEX /* t0 <--- sym table index */ + andi t5, t5, 0xFF /* t5 <--- relocation type */ + li t3, RELOC_TYPE + bne t5, t3, 10f /* skip non-addned entries */ + + LREG t3, -(REGBYTES*3)(t1) + li t5, SYM_SIZE + mul t0, t0, t5 + add s1, t4, t0 + LREG t5, REGBYTES(s1) + add t5, t5, t6 /* t5 <-- location to fix up in RAM */ + add t3, t3, t6 /* t3 <-- location to fix up in RAM */ + SREG t5, 0(t3) +10: + addi t1, t1, (REGBYTES*3) + ble t1, t2, 9b + +/* + * trap update +*/ + la t0, trap_entry + add t0, t0, t6 + csrw mtvec, t0 + +clear_bss: + la t0, __bss_start /* t0 <- rel __bss_start in FLASH */ + add t0, t0, t6 /* t0 <- rel __bss_start in RAM */ + la t1, __bss_end /* t1 <- rel __bss_end in FLASH */ + add t1, t1, t6 /* t1 <- rel __bss_end in RAM */ + li t2, 0x00000000 /* clear */ + beq t0, t1, call_board_init_r + +clbss_l: + SREG t2, 0(t0) /* clear loop... */ + addi t0, t0, REGBYTES + bne t0, t1, clbss_l + +/* + * We are done. Do not return, instead branch to second part of board + * initialization, now running from RAM. + */ +call_board_init_r: + la t0, board_init_r + mv t4, t0 /* offset of board_init_r() */ + add t4, t4, t6 /* real address of board_init_r() */ +/* + * setup parameters for board_init_r + */ + mv a0, s3 /* gd_t */ + mv a1, s4 /* dest_addr */ + +/* + * jump to it ... + */ + jr t4 /* jump to board_init_r() */ + +/* + * trap entry + */ +trap_entry: + addi sp, sp, -32*REGBYTES + SREG x1, 1*REGBYTES(sp) + SREG x2, 2*REGBYTES(sp) + SREG x3, 3*REGBYTES(sp) + SREG x4, 4*REGBYTES(sp) + SREG x5, 5*REGBYTES(sp) + SREG x6, 6*REGBYTES(sp) + SREG x7, 7*REGBYTES(sp) + SREG x8, 8*REGBYTES(sp) + SREG x9, 9*REGBYTES(sp) + SREG x10, 10*REGBYTES(sp) + SREG x11, 11*REGBYTES(sp) + SREG x12, 12*REGBYTES(sp) + SREG x13, 13*REGBYTES(sp) + SREG x14, 14*REGBYTES(sp) + SREG x15, 15*REGBYTES(sp) + SREG x16, 16*REGBYTES(sp) + SREG x17, 17*REGBYTES(sp) + SREG x18, 18*REGBYTES(sp) + SREG x19, 19*REGBYTES(sp) + SREG x20, 20*REGBYTES(sp) + SREG x21, 21*REGBYTES(sp) + SREG x22, 22*REGBYTES(sp) + SREG x23, 23*REGBYTES(sp) + SREG x24, 24*REGBYTES(sp) + SREG x25, 25*REGBYTES(sp) + SREG x26, 26*REGBYTES(sp) + SREG x27, 27*REGBYTES(sp) + SREG x28, 28*REGBYTES(sp) + SREG x29, 29*REGBYTES(sp) + SREG x30, 30*REGBYTES(sp) + SREG x31, 31*REGBYTES(sp) + csrr a0, mcause + csrr a1, mepc + mv a2, sp + jal handle_trap + csrw mepc, a0 + +/* + * Remain in M-mode after mret + */ + li t0, MSTATUS_MPP + csrs mstatus, t0 + LREG x1, 1*REGBYTES(sp) + LREG x2, 2*REGBYTES(sp) + LREG x3, 3*REGBYTES(sp) + LREG x4, 4*REGBYTES(sp) + LREG x5, 5*REGBYTES(sp) + LREG x6, 6*REGBYTES(sp) + LREG x7, 7*REGBYTES(sp) + LREG x8, 8*REGBYTES(sp) + LREG x9, 9*REGBYTES(sp) + LREG x10, 10*REGBYTES(sp) + LREG x11, 11*REGBYTES(sp) + LREG x12, 12*REGBYTES(sp) + LREG x13, 13*REGBYTES(sp) + LREG x14, 14*REGBYTES(sp) + LREG x15, 15*REGBYTES(sp) + LREG x16, 16*REGBYTES(sp) + LREG x17, 17*REGBYTES(sp) + LREG x18, 18*REGBYTES(sp) + LREG x19, 19*REGBYTES(sp) + LREG x20, 20*REGBYTES(sp) + LREG x21, 21*REGBYTES(sp) + LREG x22, 22*REGBYTES(sp) + LREG x23, 23*REGBYTES(sp) + LREG x24, 24*REGBYTES(sp) + LREG x25, 25*REGBYTES(sp) + LREG x26, 26*REGBYTES(sp) + LREG x27, 27*REGBYTES(sp) + LREG x28, 28*REGBYTES(sp) + LREG x29, 29*REGBYTES(sp) + LREG x30, 30*REGBYTES(sp) + LREG x31, 31*REGBYTES(sp) + addi sp, sp, 32*REGBYTES + mret + +#ifdef CONFIG_INIT_CRITICAL +cpu_init_crit: + ret +#endif diff --git a/arch/riscv/cpu/nx25/u-boot.lds b/arch/riscv/cpu/nx25/u-boot.lds new file mode 100644 index 0000000000..936fd779aa --- /dev/null +++ b/arch/riscv/cpu/nx25/u-boot.lds @@ -0,0 +1,69 @@ +/* + * Copyright (C) 2017 Andes Technology Corporation + * Rick Chen, Andes Technology Corporation <rick@andestech.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ +OUTPUT_ARCH("riscv") +ENTRY(_start) + +SECTIONS +{ + . = ALIGN(4); + .text : + { + arch/riscv/cpu/nx25/start.o (.text) + *(.text) + } + + . = ALIGN(4); + .rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) } + + . = ALIGN(4); + .data : { + __global_pointer$ = . + 0x800; + *(.data*) + } + . = ALIGN(4); + + .got : { + __got_start = .; + *(.got.plt) *(.got) + __got_end = .; + } + + . = ALIGN(4); + + .u_boot_list : { + KEEP(*(SORT(.u_boot_list*))); + } + + . = ALIGN(4); + + /DISCARD/ : { *(.rela.plt*) } + .rela.dyn : { + __rel_dyn_start = .; + *(.rela*) + __rel_dyn_end = .; + } + + . = ALIGN(4); + + .dynsym : { + __dyn_sym_start = .; + *(.dynsym) + __dyn_sym_end = .; + } + + . = ALIGN(4); + + _end = .; + + .bss : { + __bss_start = .; + *(.bss) + . = ALIGN(4); + __bss_end = .; + } + +} diff --git a/arch/riscv/dts/Makefile b/arch/riscv/dts/Makefile new file mode 100644 index 0000000000..718b99f694 --- /dev/null +++ b/arch/riscv/dts/Makefile @@ -0,0 +1,14 @@ +# +# SPDX-License-Identifier: GPL-2.0+ +# + +dtb-$(CONFIG_TARGET_NX25_AE250) += ae250.dtb +targets += $(dtb-y) + +DTC_FLAGS += -R 4 -p 0x1000 + +PHONY += dtbs +dtbs: $(addprefix $(obj)/, $(dtb-y)) + @: + +clean-files := *.dtb diff --git a/arch/riscv/dts/ae250.dts b/arch/riscv/dts/ae250.dts new file mode 100644 index 0000000000..5dc4fb04be --- /dev/null +++ b/arch/riscv/dts/ae250.dts @@ -0,0 +1,96 @@ +/dts-v1/; +/ { + compatible = "riscv32 nx25"; + #address-cells = <1>; + #size-cells = <1>; + interrupt-parent = <&intc>; + + aliases { + uart0 = &serial0; + ethernet0 = &mac0; + spi0 = &spi; + } ; + + chosen { + bootargs = "console=ttyS0,38400n8 earlyprintk=uart8250-32bit,0xf0300000 debug loglevel=7"; + stdout-path = "uart0:38400n8"; + tick-timer = &timer0; + }; + + memory@0 { + device_type = "memory"; + reg = <0x00000000 0x40000000>; + }; + + spiclk: virt_100mhz { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <100000000>; + }; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + cpu@0 { + compatible = "andestech,n13"; + reg = <0>; + /* FIXME: to fill correct frqeuency */ + clock-frequency = <60000000>; + }; + }; + + intc: interrupt-controller { + compatible = "andestech,atnointc010"; + #interrupt-cells = <1>; + interrupt-controller; + }; + + serial0: serial@f0300000 { + compatible = "andestech,uart16550", "ns16550a"; + reg = <0xf0300000 0x1000>; + interrupts = <7 4>; + clock-frequency = <19660800>; + reg-shift = <2>; + reg-offset = <32>; + no-loopback-test = <1>; + }; + + timer0: timer@f0400000 { + compatible = "andestech,atcpit100"; + reg = <0xf0400000 0x1000>; + interrupts = <2 4>; + clock-frequency = <40000000>; + }; + + mac0: mac@e0100000 { + compatible = "andestech,atmac100"; + reg = <0xe0100000 0x1000>; + interrupts = <25 4>; + }; + + mmc0: mmc@f0e00000 { + compatible = "andestech,atsdc010"; + max-frequency = <100000000>; + fifo-depth = <0x10>; + reg = <0xf0e00000 0x1000>; + interrupts = <17 4>; + }; + + spi: spi@f0b00000 { + compatible = "andestech,atcspi200"; + reg = <0xf0b00000 0x1000>; + #address-cells = <1>; + #size-cells = <0>; + num-cs = <1>; + clocks = <&spiclk>; + interrupts = <3 4>; + flash@0 { + compatible = "spi-flash"; + spi-max-frequency = <50000000>; + reg = <0>; + spi-cpol; + spi-cpha; + }; + }; + +}; diff --git a/arch/riscv/include/asm/bitops.h b/arch/riscv/include/asm/bitops.h new file mode 100644 index 0000000000..55d420fdfb --- /dev/null +++ b/arch/riscv/include/asm/bitops.h @@ -0,0 +1,172 @@ +/* + * Copyright 1995, Russell King. + * Various bits and pieces copyrights include: + * Linus Torvalds (test_bit). + * + * Copyright (C) 2017 Andes Technology Corporation + * Rick Chen, Andes Technology Corporation <rick@andestech.com> + * + * bit 0 is the LSB of addr; bit 32 is the LSB of (addr+1). + * + * Please note that the code in this file should never be included + * from user space. Many of these are not implemented in assembler + * since they would be too costly. Also, they require priviledged + * instructions (which are not available from user mode) to ensure + * that they are atomic. + */ + +#ifndef __ASM_RISCV_BITOPS_H +#define __ASM_RISCV_BITOPS_H + +#ifdef __KERNEL__ + +#include <asm/system.h> +#include <asm-generic/bitops/fls.h> +#include <asm-generic/bitops/__fls.h> +#include <asm-generic/bitops/fls64.h> +#include <asm-generic/bitops/__ffs.h> + +#define smp_mb__before_clear_bit() do { } while (0) +#define smp_mb__after_clear_bit() do { } while (0) + +/* + * Function prototypes to keep gcc -Wall happy. + */ +static inline void __set_bit(int nr, void *addr) +{ + int *a = (int *)addr; + int mask; + + a += nr >> 5; + mask = 1 << (nr & 0x1f); + *a |= mask; +} + +static inline void __clear_bit(int nr, void *addr) +{ + int *a = (int *)addr; + int mask; + + a += nr >> 5; + mask = 1 << (nr & 0x1f); + *a &= ~mask; +} + +static inline void __change_bit(int nr, void *addr) +{ + int mask; + unsigned long *ADDR = (unsigned long *)addr; + + ADDR += nr >> 5; + mask = 1 << (nr & 31); + *ADDR ^= mask; +} + +static inline int __test_and_set_bit(int nr, void *addr) +{ + int mask, retval; + unsigned int *a = (unsigned int *)addr; + + a += nr >> 5; + mask = 1 << (nr & 0x1f); + retval = (mask & *a) != 0; + *a |= mask; + return retval; +} + +static inline int __test_and_clear_bit(int nr, void *addr) +{ + int mask, retval; + unsigned int *a = (unsigned int *)addr; + + a += nr >> 5; + mask = 1 << (nr & 0x1f); + retval = (mask & *a) != 0; + *a &= ~mask; + return retval; +} + +static inline int __test_and_change_bit(int nr, void *addr) +{ + int mask, retval; + unsigned int *a = (unsigned int *)addr; + + a += nr >> 5; + mask = 1 << (nr & 0x1f); + retval = (mask & *a) != 0; + *a ^= mask; + return retval; +} + +/* + * This routine doesn't need to be atomic. + */ +static inline int test_bit(int nr, const void *addr) +{ + return ((unsigned char *)addr)[nr >> 3] & (1U << (nr & 7)); +} + +/* + * ffz = Find First Zero in word. Undefined if no zero exists, + * so code should check against ~0UL first.. + */ +static inline unsigned long ffz(unsigned long word) +{ + int k; + + word = ~word; + k = 31; + if (word & 0x0000ffff) { + k -= 16; word <<= 16; + } + if (word & 0x00ff0000) { + k -= 8; word <<= 8; + } + if (word & 0x0f000000) { + k -= 4; word <<= 4; + } + if (word & 0x30000000) { + k -= 2; word <<= 2; + } + if (word & 0x40000000) + k -= 1; + + return k; +} + +/* + * ffs: find first bit set. This is defined the same way as + * the libc and compiler builtin ffs routines, therefore + * differs in spirit from the above ffz (man ffs). + */ + +/* + * redefined in include/linux/bitops.h + * #define ffs(x) generic_ffs(x) + */ + +/* + * hweightN: returns the hamming weight (i.e. the number + * of bits set) of a N-bit word + */ + +#define hweight32(x) generic_hweight32(x) +#define hweight16(x) generic_hweight16(x) +#define hweight8(x) generic_hweight8(x) + +#define ext2_set_bit test_and_set_bit +#define ext2_clear_bit test_and_clear_bit +#define ext2_test_bit test_bit +#define ext2_find_first_zero_bit find_first_zero_bit +#define ext2_find_next_zero_bit find_next_zero_bit + +/* Bitmap functions for the minix filesystem. */ +#define minix_test_and_set_bit(nr, addr) test_and_set_bit(nr, addr) +#define minix_set_bit(nr, addr) set_bit(nr, addr) +#define minix_test_and_clear_bit(nr, addr) test_and_clear_bit(nr, addr) +#define minix_test_bit(nr, addr) test_bit(nr, addr) +#define minix_find_first_zero_bit(addr, size) find_first_zero_bit(addr, size) + +#endif /* __KERNEL__ */ + +#endif /* __ASM_RISCV_BITOPS_H */ diff --git a/arch/riscv/include/asm/bootm.h b/arch/riscv/include/asm/bootm.h new file mode 100644 index 0000000000..0a644bb58b --- /dev/null +++ b/arch/riscv/include/asm/bootm.h @@ -0,0 +1,65 @@ +/* + * Copyright (c) 2013, Google Inc. + * + * Copyright (C) 2011 + * Corscience GmbH & Co. KG - Simon Schwarz <schwarz@corscience.de> + * + * SPDX-License-Identifier: GPL-2.0+ + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#ifndef NDS32_BOOTM_H +#define NDS32_BOOTM_H + +#include <asm/setup.h> + +#if defined(CONFIG_SETUP_MEMORY_TAGS) || \ + defined(CONFIG_CMDLINE_TAG) || \ + defined(CONFIG_INITRD_TAG) || \ + defined(CONFIG_SERIAL_TAG) || \ + defined(CONFIG_REVISION_TAG) +# define BOOTM_ENABLE_TAGS 1 +#else +# define BOOTM_ENABLE_TAGS 0 +#endif + +#ifdef CONFIG_SETUP_MEMORY_TAGS +# define BOOTM_ENABLE_MEMORY_TAGS 1 +#else +# define BOOTM_ENABLE_MEMORY_TAGS 0 +#endif + +#ifdef CONFIG_CMDLINE_TAG + #define BOOTM_ENABLE_CMDLINE_TAG 1 +#else + #define BOOTM_ENABLE_CMDLINE_TAG 0 +#endif + +#ifdef CONFIG_INITRD_TAG + #define BOOTM_ENABLE_INITRD_TAG 1 +#else + #define BOOTM_ENABLE_INITRD_TAG 0 +#endif + +#ifdef CONFIG_SERIAL_TAG + #define BOOTM_ENABLE_SERIAL_TAG 1 +void get_board_serial(struct tag_serialnr *serialnr); +#else + #define BOOTM_ENABLE_SERIAL_TAG 0 +static inline void get_board_serial(struct tag_serialnr *serialnr) +{ +} +#endif + +#ifdef CONFIG_REVISION_TAG + #define BOOTM_ENABLE_REVISION_TAG 1 +u32 get_board_rev(void); +#else + #define BOOTM_ENABLE_REVISION_TAG 0 +static inline u32 get_board_rev(void) +{ + return 0; +} +#endif + +#endif diff --git a/arch/riscv/include/asm/byteorder.h b/arch/riscv/include/asm/byteorder.h new file mode 100644 index 0000000000..d26ac5688f --- /dev/null +++ b/arch/riscv/include/asm/byteorder.h @@ -0,0 +1,35 @@ +/* + * linux/include/asm-arm/byteorder.h + * + * Copyright (C) 2017 Andes Technology Corporation + * Rick Chen, Andes Technology Corporation <rick@andestech.com> + * + * ARM Endian-ness. In little endian mode, the data bus is connected such + * that byte accesses appear as: + * 0 = d0...d7, 1 = d8...d15, 2 = d16...d23, 3 = d24...d31 + * and word accesses (data or instruction) appear as: + * d0...d31 + * + * When in big endian mode, byte accesses appear as: + * 0 = d24...d31, 1 = d16...d23, 2 = d8...d15, 3 = d0...d7 + * and word accesses (data or instruction) appear as: + * d0...d31 + */ + +#ifndef __ASM_RISCV_BYTEORDER_H +#define __ASM_RISCV_BYTEORDER_H + +#include <asm/types.h> + +#if !defined(__STRICT_ANSI__) || defined(__KERNEL__) +# define __BYTEORDER_HAS_U64__ +# define __SWAB_64_THRU_32__ +#endif + +#ifdef __RISCVEB__ +#include <linux/byteorder/big_endian.h> +#else +#include <linux/byteorder/little_endian.h> +#endif + +#endif diff --git a/arch/riscv/include/asm/cache.h b/arch/riscv/include/asm/cache.h new file mode 100644 index 0000000000..facf0720aa --- /dev/null +++ b/arch/riscv/include/asm/cache.h @@ -0,0 +1,22 @@ +/* + * Copyright (C) 2017 Andes Technology Corporation + * Rick Chen, Andes Technology Corporation <rick@andestech.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _ASM_RISCV_CACHE_H +#define _ASM_RISCV_CACHE_H + +/* + * The current upper bound for RISCV L1 data cache line sizes is 32 bytes. + * We use that value for aligning DMA buffers unless the board config has + * specified an alternate cache line size. + */ +#ifdef CONFIG_SYS_CACHELINE_SIZE +#define ARCH_DMA_MINALIGN CONFIG_SYS_CACHELINE_SIZE +#else +#define ARCH_DMA_MINALIGN 32 +#endif + +#endif /* _ASM_RISCV_CACHE_H */ diff --git a/arch/riscv/include/asm/config.h b/arch/riscv/include/asm/config.h new file mode 100644 index 0000000000..5f94eb02e2 --- /dev/null +++ b/arch/riscv/include/asm/config.h @@ -0,0 +1,13 @@ +/* + * Copyright (C) 2017 Andes Technology Corporation + * Rick Chen, Andes Technology Corporation <rick@andestech.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _ASM_CONFIG_H_ +#define _ASM_CONFIG_H_ + +#define CONFIG_LMB + +#endif diff --git a/arch/riscv/include/asm/encoding.h b/arch/riscv/include/asm/encoding.h new file mode 100644 index 0000000000..5ff6d59149 --- /dev/null +++ b/arch/riscv/include/asm/encoding.h @@ -0,0 +1,188 @@ +/* + * Copyright (c) 2017 Microsemi Corporation. + * Padmarao Begari, Microsemi Corporation <padmarao.begari@microsemi.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef RISCV_CSR_ENCODING_H +#define RISCV_CSR_ENCODING_H + +#define MSTATUS_UIE 0x00000001 +#define MSTATUS_SIE 0x00000002 +#define MSTATUS_HIE 0x00000004 +#define MSTATUS_MIE 0x00000008 +#define MSTATUS_UPIE 0x00000010 +#define MSTATUS_SPIE 0x00000020 +#define MSTATUS_HPIE 0x00000040 +#define MSTATUS_MPIE 0x00000080 +#define MSTATUS_SPP 0x00000100 +#define MSTATUS_HPP 0x00000600 +#define MSTATUS_MPP 0x00001800 +#define MSTATUS_FS 0x00006000 +#define MSTATUS_XS 0x00018000 +#define MSTATUS_MPRV 0x00020000 +#define MSTATUS_PUM 0x00040000 +#define MSTATUS_VM 0x1F000000 +#define MSTATUS32_SD 0x80000000 +#define MSTATUS64_SD 0x8000000000000000 + +#define MCAUSE32_CAUSE 0x7FFFFFFF +#define MCAUSE64_CAUSE 0x7FFFFFFFFFFFFFFF +#define MCAUSE32_INT 0x80000000 +#define MCAUSE64_INT 0x8000000000000000 + +#define SSTATUS_UIE 0x00000001 +#define SSTATUS_SIE 0x00000002 +#define SSTATUS_UPIE 0x00000010 +#define SSTATUS_SPIE 0x00000020 +#define SSTATUS_SPP 0x00000100 +#define SSTATUS_FS 0x00006000 +#define SSTATUS_XS 0x00018000 +#define SSTATUS_PUM 0x00040000 +#define SSTATUS32_SD 0x80000000 +#define SSTATUS64_SD 0x8000000000000000 + +#define MIP_SSIP BIT(IRQ_S_SOFT) +#define MIP_HSIP BIT(IRQ_H_SOFT) +#define MIP_MSIP BIT(IRQ_M_SOFT) +#define MIP_STIP BIT(IRQ_S_TIMER) +#define MIP_HTIP BIT(IRQ_H_TIMER) +#define MIP_MTIP BIT(IRQ_M_TIMER) +#define MIP_SEIP BIT(IRQ_S_EXT) +#define MIP_HEIP BIT(IRQ_H_EXT) +#define MIP_MEIP BIT(IRQ_M_EXT) + +#define SIP_SSIP MIP_SSIP +#define SIP_STIP MIP_STIP + +#define PRV_U 0 +#define PRV_S 1 +#define PRV_H 2 +#define PRV_M 3 + +#define VM_MBARE 0 +#define VM_MBB 1 +#define VM_MBBID 2 +#define VM_SV32 8 +#define VM_SV39 9 +#define VM_SV48 10 + +#define IRQ_S_SOFT 1 +#define IRQ_H_SOFT 2 +#define IRQ_M_SOFT 3 +#define IRQ_S_TIMER 5 +#define IRQ_H_TIMER 6 +#define IRQ_M_TIMER 7 +#define IRQ_S_EXT 9 +#define IRQ_H_EXT 10 +#define IRQ_M_EXT 11 +#define IRQ_COP 12 +#define IRQ_HOST 13 + +#define DEFAULT_RSTVEC 0x00001000 +#define DEFAULT_NMIVEC 0x00001004 +#define DEFAULT_MTVEC 0x00001010 +#define CONFIG_STRING_ADDR 0x0000100C +#define EXT_IO_BASE 0x40000000 +#define DRAM_BASE 0x80000000 + +// page table entry (PTE) fields +#define PTE_V 0x001 // Valid +#define PTE_TYPE 0x01E // Type +#define PTE_R 0x020 // Referenced +#define PTE_D 0x040 // Dirty +#define PTE_SOFT 0x380 // Reserved for Software + +#define PTE_TYPE_TABLE 0x00 +#define PTE_TYPE_TABLE_GLOBAL 0x02 +#define PTE_TYPE_URX_SR 0x04 +#define PTE_TYPE_URWX_SRW 0x06 +#define PTE_TYPE_UR_SR 0x08 +#define PTE_TYPE_URW_SRW 0x0A +#define PTE_TYPE_URX_SRX 0x0C +#define PTE_TYPE_URWX_SRWX0x0E +#define PTE_TYPE_SR 0x10 +#define PTE_TYPE_SRW 0x12 +#define PTE_TYPE_SRX 0x14 +#define PTE_TYPE_SRWX 0x16 +#define PTE_TYPE_SR_GLOBAL 0x18 +#define PTE_TYPE_SRW_GLOBAL 0x1A +#define PTE_TYPE_SRX_GLOBAL 0x1C +#define PTE_TYPE_SRWX_GLOBAL 0x1E + +#define PTE_PPN_SHIFT 10 + +#define PTE_TABLE(PTE) ((0x0000000AU >> ((PTE) & 0x1F)) & 1) +#define PTE_UR(PTE) ((0x0000AAA0U >> ((PTE) & 0x1F)) & 1) +#define PTE_UW(PTE) ((0x00008880U >> ((PTE) & 0x1F)) & 1) +#define PTE_UX(PTE) ((0x0000A0A0U >> ((PTE) & 0x1F)) & 1) +#define PTE_SR(PTE) ((0xAAAAAAA0U >> ((PTE) & 0x1F)) & 1) +#define PTE_SW(PTE) ((0x88888880U >> ((PTE) & 0x1F)) & 1) +#define PTE_SX(PTE) ((0xA0A0A000U >> ((PTE) & 0x1F)) & 1) + +#define PTE_CHECK_PERM(PTE, SUPERVISOR, STORE, FETCH) \ + ((STORE) ? ((SUPERVISOR) ? PTE_SW(PTE) : PTE_UW(PTE)) : \ + (FETCH) ? ((SUPERVISOR) ? PTE_SX(PTE) : PTE_UX(PTE)) : \ + ((SUPERVISOR) ? PTE_SR(PTE) : PTE_UR(PTE))) + +#ifdef __riscv +#ifdef CONFIG_64BIT +# define MSTATUS_SD MSTATUS64_SD +# define SSTATUS_SD SSTATUS64_SD +# define MCAUSE_INT MCAUSE64_INT +# define MCAUSE_CAUSE MCAUSE64_CAUSE +# define RISCV_PGLEVEL_BITS 9 +#else +# define MSTATUS_SD MSTATUS32_SD +# define SSTATUS_SD SSTATUS32_SD +# define RISCV_PGLEVEL_BITS 10 +# define MCAUSE_INT MCAUSE32_INT +# define MCAUSE_CAUSE MCAUSE32_CAUSE +#endif +#define RISCV_PGSHIFT 12 +#define RISCV_PGSIZE BIT(RISCV_PGSHIFT) + +#ifndef __ASSEMBLER__ + +#ifdef __GNUC__ + +#define read_csr(reg) ({ unsigned long __tmp; \ + asm volatile ("csrr %0, " #reg : "=r"(__tmp)); \ + __tmp; }) + +#define write_csr(reg, val) ({ \ +if (__builtin_constant_p(val) && (unsigned long)(val) < 32) \ + asm volatile ("csrw " #reg ", %0" :: "i"(val)); \ +else \ + asm volatile ("csrw " #reg ", %0" :: "r"(val)); }) + +#define swap_csr(reg, val) ({ unsigned long __tmp; \ +if (__builtin_constant_p(val) && (unsigned long)(val) < 32) \ + asm volatile ("csrrw %0, " #reg ", %1" : "=r"(__tmp) : "i"(val)); \ +else \ + asm volatile ("csrrw %0, " #reg ", %1" : "=r"(__tmp) : "r"(val)); \ + __tmp; }) + +#define set_csr(reg, bit) ({ unsigned long __tmp; \ +if (__builtin_constant_p(bit) && (unsigned long)(bit) < 32) \ + asm volatile ("csrrs %0, " #reg ", %1" : "=r"(__tmp) : "i"(bit)); \ +else \ + asm volatile ("csrrs %0, " #reg ", %1" : "=r"(__tmp) : "r"(bit)); \ + __tmp; }) + +#define clear_csr(reg, bit) ({ unsigned long __tmp; \ +if (__builtin_constant_p(bit) && (unsigned long)(bit) < 32) \ + asm volatile ("csrrc %0, " #reg ", %1" : "=r"(__tmp) : "i"(bit)); \ +else \ + asm volatile ("csrrc %0, " #reg ", %1" : "=r"(__tmp) : "r"(bit)); \ + __tmp; }) + +#define rdtime() read_csr(time) +#define rdcycle() read_csr(cycle) +#define rdinstret() read_csr(instret) + +#endif +#endif +#endif +#endif diff --git a/arch/riscv/include/asm/global_data.h b/arch/riscv/include/asm/global_data.h new file mode 100644 index 0000000000..0cce98ab53 --- /dev/null +++ b/arch/riscv/include/asm/global_data.h @@ -0,0 +1,22 @@ +/* + * (C) Copyright 2002 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * Copyright (c) 2017 Microsemi Corporation. + * Padmarao Begari, Microsemi Corporation <padmarao.begari@microsemi.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __ASM_GBL_DATA_H +#define __ASM_GBL_DATA_H + +/* Architecture-specific global data */ +struct arch_global_data { +}; + +#include <asm-generic/global_data.h> + +#define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("gp") + +#endif /* __ASM_GBL_DATA_H */ diff --git a/arch/riscv/include/asm/io.h b/arch/riscv/include/asm/io.h new file mode 100644 index 0000000000..e7f63ed8a9 --- /dev/null +++ b/arch/riscv/include/asm/io.h @@ -0,0 +1,494 @@ +/* + * Copyright (C) 2017 Andes Technology Corporation + * Rick Chen, Andes Technology Corporation <rick@andestech.com> + * + * SPDX-License-Identifier: GPL-2.0 + * + */ +#ifndef __ASM_RISCV_IO_H +#define __ASM_RISCV_IO_H + +#ifdef __KERNEL__ + +#include <linux/types.h> +#include <asm/byteorder.h> + +static inline void sync(void) +{ +} + +/* + * Given a physical address and a length, return a virtual address + * that can be used to access the memory range with the caching + * properties specified by "flags". + */ +#define MAP_NOCACHE (0) +#define MAP_WRCOMBINE (0) +#define MAP_WRBACK (0) +#define MAP_WRTHROUGH (0) + +#ifdef CONFIG_ARCH_MAP_SYSMEM +static inline void *map_sysmem(phys_addr_t paddr, unsigned long len) +{ + if (paddr < PHYS_SDRAM_0_SIZE + PHYS_SDRAM_1_SIZE) + paddr = paddr | 0x40000000; + return (void *)(uintptr_t)paddr; +} + +static inline void *unmap_sysmem(const void *vaddr) +{ + phys_addr_t paddr = (phys_addr_t)vaddr; + + paddr = paddr & ~0x40000000; + return (void *)(uintptr_t)paddr; +} + +static inline phys_addr_t map_to_sysmem(const void *ptr) +{ + return (phys_addr_t)(uintptr_t)ptr; +} +#endif + +static inline void * +map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags) +{ + return (void *)paddr; +} + +/* + * Take down a mapping set up by map_physmem(). + */ +static inline void unmap_physmem(void *vaddr, unsigned long flags) +{ +} + +static inline phys_addr_t virt_to_phys(void *vaddr) +{ + return (phys_addr_t)(vaddr); +} + +/* + * Generic virtual read/write. Note that we don't support half-word + * read/writes. We define __arch_*[bl] here, and leave __arch_*w + * to the architecture specific code. + */ +#define __arch_getb(a) (*(unsigned char *)(a)) +#define __arch_getw(a) (*(unsigned short *)(a)) +#define __arch_getl(a) (*(unsigned int *)(a)) +#define __arch_getq(a) (*(unsigned long *)(a)) + +#define __arch_putb(v, a) (*(unsigned char *)(a) = (v)) +#define __arch_putw(v, a) (*(unsigned short *)(a) = (v)) +#define __arch_putl(v, a) (*(unsigned int *)(a) = (v)) +#define __arch_putq(v, a) (*(unsigned long *)(a) = (v)) + +#define __raw_writeb(v, a) __arch_putb(v, a) +#define __raw_writew(v, a) __arch_putw(v, a) +#define __raw_writel(v, a) __arch_putl(v, a) +#define __raw_writeq(v, a) __arch_putq(v, a) + +#define __raw_readb(a) __arch_getb(a) +#define __raw_readw(a) __arch_getw(a) +#define __raw_readl(a) __arch_getl(a) +#define __raw_readq(a) __arch_getq(a) + +/* + * TODO: The kernel offers some more advanced versions of barriers, it might + * have some advantages to use them instead of the simple one here. + */ +#define dmb() __asm__ __volatile__ ("" : : : "memory") +#define __iormb() dmb() +#define __iowmb() dmb() + +static inline void writeb(u8 val, volatile void __iomem *addr) +{ + __iowmb(); + __arch_putb(val, addr); +} + +static inline void writew(u16 val, volatile void __iomem *addr) +{ + __iowmb(); + __arch_putw(val, addr); +} + +static inline void writel(u32 val, volatile void __iomem *addr) +{ + __iowmb(); + __arch_putl(val, addr); +} + +static inline void writeq(u64 val, volatile void __iomem *addr) +{ + __iowmb(); + __arch_putq(val, addr); +} + +static inline u8 readb(const volatile void __iomem *addr) +{ + u8 val; + + val = __arch_getb(addr); + __iormb(); + return val; +} + +static inline u16 readw(const volatile void __iomem *addr) +{ + u16 val; + + val = __arch_getw(addr); + __iormb(); + return val; +} + +static inline u32 readl(const volatile void __iomem *addr) +{ + u32 val; + + val = __arch_getl(addr); + __iormb(); + return val; +} + +static inline u64 readq(const volatile void __iomem *addr) +{ + u32 val; + + val = __arch_getq(addr); + __iormb(); + return val; +} + +/* + * The compiler seems to be incapable of optimising constants + * properly. Spell it out to the compiler in some cases. + * These are only valid for small values of "off" (< 1<<12) + */ +#define __raw_base_writeb(val, base, off) __arch_base_putb(val, base, off) +#define __raw_base_writew(val, base, off) __arch_base_putw(val, base, off) +#define __raw_base_writel(val, base, off) __arch_base_putl(val, base, off) + +#define __raw_base_readb(base, off) __arch_base_getb(base, off) +#define __raw_base_readw(base, off) __arch_base_getw(base, off) +#define __raw_base_readl(base, off) __arch_base_getl(base, off) + +#define out_arch(type, endian, a, v) __raw_write##type(cpu_to_##endian(v), a) +#define in_arch(type, endian, a) endian##_to_cpu(__raw_read##type(a)) + +#define out_le32(a, v) out_arch(l, le32, a, v) +#define out_le16(a, v) out_arch(w, le16, a, v) + +#define in_le32(a) in_arch(l, le32, a) +#define in_le16(a) in_arch(w, le16, a) + +#define out_be32(a, v) out_arch(l, be32, a, v) +#define out_be16(a, v) out_arch(w, be16, a, v) + +#define in_be32(a) in_arch(l, be32, a) +#define in_be16(a) in_arch(w, be16, a) + +#define out_8(a, v) __raw_writeb(v, a) +#define in_8(a) __raw_readb(a) + +/* + * Clear and set bits in one shot. These macros can be used to clear and + * set multiple bits in a register using a single call. These macros can + * also be used to set a multiple-bit bit pattern using a mask, by + * specifying the mask in the 'clear' parameter and the new bit pattern + * in the 'set' parameter. + */ + +#define clrbits(type, addr, clear) \ + out_##type((addr), in_##type(addr) & ~(clear)) + +#define setbits(type, addr, set) \ + out_##type((addr), in_##type(addr) | (set)) + +#define clrsetbits(type, addr, clear, set) \ + out_##type((addr), (in_##type(addr) & ~(clear)) | (set)) + +#define clrbits_be32(addr, clear) clrbits(be32, addr, clear) +#define setbits_be32(addr, set) setbits(be32, addr, set) +#define clrsetbits_be32(addr, clear, set) clrsetbits(be32, addr, clear, set) + +#define clrbits_le32(addr, clear) clrbits(le32, addr, clear) +#define setbits_le32(addr, set) setbits(le32, addr, set) +#define clrsetbits_le32(addr, clear, set) clrsetbits(le32, addr, clear, set) + +#define clrbits_be16(addr, clear) clrbits(be16, addr, clear) +#define setbits_be16(addr, set) setbits(be16, addr, set) +#define clrsetbits_be16(addr, clear, set) clrsetbits(be16, addr, clear, set) + +#define clrbits_le16(addr, clear) clrbits(le16, addr, clear) +#define setbits_le16(addr, set) setbits(le16, addr, set) +#define clrsetbits_le16(addr, clear, set) clrsetbits(le16, addr, clear, set) + +#define clrbits_8(addr, clear) clrbits(8, addr, clear) +#define setbits_8(addr, set) setbits(8, addr, set) +#define clrsetbits_8(addr, clear, set) clrsetbits(8, addr, clear, set) + +/* + * Now, pick up the machine-defined IO definitions + * #include <asm/arch/io.h> + */ + +/* + * IO port access primitives + * ------------------------- + * + * The NDS32 doesn't have special IO access instructions just like ARM; + * all IO is memory mapped. + * Note that these are defined to perform little endian accesses + * only. Their primary purpose is to access PCI and ISA peripherals. + * + * Note that for a big endian machine, this implies that the following + * big endian mode connectivity is in place, as described by numerious + * ARM documents: + * + * PCI: D0-D7 D8-D15 D16-D23 D24-D31 + * ARM: D24-D31 D16-D23 D8-D15 D0-D7 + * + * The machine specific io.h include defines __io to translate an "IO" + * address to a memory address. + * + * Note that we prevent GCC re-ordering or caching values in expressions + * by introducing sequence points into the in*() definitions. Note that + * __raw_* do not guarantee this behaviour. + * + * The {in,out}[bwl] macros are for emulating x86-style PCI/ISA IO space. + */ +#ifdef __io +#define outb(v, p) __raw_writeb(v, __io(p)) +#define outw(v, p) __raw_writew(cpu_to_le16(v), __io(p)) +#define outl(v, p) __raw_writel(cpu_to_le32(v), __io(p)) + +#define inb(p) ({ unsigned int __v = __raw_readb(__io(p)); __v; }) +#define inw(p) ({ unsigned int __v = le16_to_cpu(__raw_readw(__io(p))); __v; }) +#define inl(p) ({ unsigned int __v = le32_to_cpu(__raw_readl(__io(p))); __v; }) + +#define outsb(p, d, l) writesb(__io(p), d, l) +#define outsw(p, d, l) writesw(__io(p), d, l) +#define outsl(p, d, l) writesl(__io(p), d, l) + +#define insb(p, d, l) readsb(__io(p), d, l) +#define insw(p, d, l) readsw(__io(p), d, l) +#define insl(p, d, l) readsl(__io(p), d, l) + +static inline void readsb(unsigned int *addr, void *data, int bytelen) +{ + unsigned char *ptr; + unsigned char *ptr2; + + ptr = (unsigned char *)addr; + ptr2 = (unsigned char *)data; + + while (bytelen) { + *ptr2 = *ptr; + ptr2++; + bytelen--; + } +} + +static inline void readsw(unsigned int *addr, void *data, int wordlen) +{ + unsigned short *ptr; + unsigned short *ptr2; + + ptr = (unsigned short *)addr; + ptr2 = (unsigned short *)data; + + while (wordlen) { + *ptr2 = *ptr; + ptr2++; + wordlen--; + } +} + +static inline void readsl(unsigned int *addr, void *data, int longlen) +{ + unsigned int *ptr; + unsigned int *ptr2; + + ptr = (unsigned int *)addr; + ptr2 = (unsigned int *)data; + + while (longlen) { + *ptr2 = *ptr; + ptr2++; + longlen--; + } +} + +static inline void writesb(unsigned int *addr, const void *data, int bytelen) +{ + unsigned char *ptr; + unsigned char *ptr2; + + ptr = (unsigned char *)addr; + ptr2 = (unsigned char *)data; + + while (bytelen) { + *ptr = *ptr2; + ptr2++; + bytelen--; + } +} + +static inline void writesw(unsigned int *addr, const void *data, int wordlen) +{ + unsigned short *ptr; + unsigned short *ptr2; + + ptr = (unsigned short *)addr; + ptr2 = (unsigned short *)data; + + while (wordlen) { + *ptr = *ptr2; + ptr2++; + wordlen--; + } +} + +static inline void writesl(unsigned int *addr, const void *data, int longlen) +{ + unsigned int *ptr; + unsigned int *ptr2; + + ptr = (unsigned int *)addr; + ptr2 = (unsigned int *)data; + + while (longlen) { + *ptr = *ptr2; + ptr2++; + longlen--; + } +} +#endif + +#define outb_p(val, port) outb((val), (port)) +#define outw_p(val, port) outw((val), (port)) +#define outl_p(val, port) outl((val), (port)) +#define inb_p(port) inb((port)) +#define inw_p(port) inw((port)) +#define inl_p(port) inl((port)) + +#define outsb_p(port, from, len) outsb(port, from, len) +#define outsw_p(port, from, len) outsw(port, from, len) +#define outsl_p(port, from, len) outsl(port, from, len) +#define insb_p(port, to, len) insb(port, to, len) +#define insw_p(port, to, len) insw(port, to, len) +#define insl_p(port, to, len) insl(port, to, len) + +/* + * DMA-consistent mapping functions. These allocate/free a region of + * uncached, unwrite-buffered mapped memory space for use with DMA + * devices. This is the "generic" version. The PCI specific version + * is in pci.h + */ + +/* + * String version of IO memory access ops: + */ + +/* + * If this architecture has PCI memory IO, then define the read/write + * macros. These should only be used with the cookie passed from + * ioremap. + */ +#ifdef __mem_pci + +#define readb(c) ({ unsigned int __v = \ + __raw_readb(__mem_pci(c)); __v; }) +#define readw(c) ({ unsigned int __v = \ + le16_to_cpu(__raw_readw(__mem_pci(c))); __v; }) +#define readl(c) ({ unsigned int __v = \ + le32_to_cpu(__raw_readl(__mem_pci(c))); __v; }) + +#define writeb(v, c) __raw_writeb(v, __mem_pci(c)) +#define writew(v, c) __raw_writew(cpu_to_le16(v), __mem_pci(c)) +#define writel(v, c) __raw_writel(cpu_to_le32(v), __mem_pci(c)) + +#define memset_io(c, v, l) _memset_io(__mem_pci(c), (v), (l)) +#define memcpy_fromio(a, c, l) _memcpy_fromio((a), __mem_pci(c), (l)) +#define memcpy_toio(c, a, l) _memcpy_toio(__mem_pci(c), (a), (l)) + +#define eth_io_copy_and_sum(s, c, l, b) \ + eth_copy_and_sum((s), __mem_pci(c), (l), (b)) + +static inline int +check_signature(unsigned long io_addr, const unsigned char *signature, + int length) +{ + int retval = 0; + + do { + if (readb(io_addr) != *signature) + goto out; + io_addr++; + signature++; + length--; + } while (length); + retval = 1; +out: + return retval; +} +#endif /* __mem_pci */ + +/* + * If this architecture has ISA IO, then define the isa_read/isa_write + * macros. + */ +#ifdef __mem_isa + +#define isa_readb(addr) __raw_readb(__mem_isa(addr)) +#define isa_readw(addr) __raw_readw(__mem_isa(addr)) +#define isa_readl(addr) __raw_readl(__mem_isa(addr)) +#define isa_writeb(val, addr) __raw_writeb(val, __mem_isa(addr)) +#define isa_writew(val, addr) __raw_writew(val, __mem_isa(addr)) +#define isa_writel(val, addr) __raw_writel(val, __mem_isa(addr)) +#define isa_memset_io(a, b, c) _memset_io(__mem_isa(a), (b), (c)) +#define isa_memcpy_fromio(a, b, c) _memcpy_fromio((a), __mem_isa(b), (c)) +#define isa_memcpy_toio(a, b, c) _memcpy_toio(__mem_isa((a)), (b), (c)) + +#define isa_eth_io_copy_and_sum(a, b, c, d) \ + eth_copy_and_sum((a), __mem_isa(b), (c), (d)) + +static inline int +isa_check_signature(unsigned long io_addr, const unsigned char *signature, + int length) +{ + int retval = 0; + + do { + if (isa_readb(io_addr) != *signature) + goto out; + io_addr++; + signature++; + length--; + } while (length); + retval = 1; +out: + return retval; +} + +#else /* __mem_isa */ + +#define isa_readb(addr) (__readwrite_bug("isa_readb"), 0) +#define isa_readw(addr) (__readwrite_bug("isa_readw"), 0) +#define isa_readl(addr) (__readwrite_bug("isa_readl"), 0) +#define isa_writeb(val, addr) __readwrite_bug("isa_writeb") +#define isa_writew(val, addr) __readwrite_bug("isa_writew") +#define isa_writel(val, addr) __readwrite_bug("isa_writel") +#define isa_memset_io(a, b, c) __readwrite_bug("isa_memset_io") +#define isa_memcpy_fromio(a, b, c) __readwrite_bug("isa_memcpy_fromio") +#define isa_memcpy_toio(a, b, c) __readwrite_bug("isa_memcpy_toio") + +#define isa_eth_io_copy_and_sum(a, b, c, d) \ + __readwrite_bug("isa_eth_io_copy_and_sum") + +#define isa_check_signature(io, sig, len) (0) + +#endif /* __mem_isa */ +#endif /* __KERNEL__ */ +#endif /* __ASM_RISCV_IO_H */ diff --git a/arch/riscv/include/asm/linkage.h b/arch/riscv/include/asm/linkage.h new file mode 100644 index 0000000000..60d5317797 --- /dev/null +++ b/arch/riscv/include/asm/linkage.h @@ -0,0 +1,12 @@ +/* + * U-Boot - linkage.h + * + * Copyright (c) 2005-2007 Analog Devices Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __ASM_LINKAGE_H +#define __ASM_LINKAGE_H + +#endif diff --git a/arch/riscv/include/asm/mach-types.h b/arch/riscv/include/asm/mach-types.h new file mode 100644 index 0000000000..f70b407998 --- /dev/null +++ b/arch/riscv/include/asm/mach-types.h @@ -0,0 +1,30 @@ +/* + * Copyright (C) 2017 Andes Technology Corporation + * Rick Chen, Andes Technology Corporation <rick@andestech.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __ASM_RISCV_MACH_TYPE_H +#define __ASM_RISCV_MACH_TYPE_H + +#ifndef __ASSEMBLY__ +/* The type of machine we're running on */ +extern unsigned int __machine_arch_type; +#endif + +#define MACH_TYPE_AE250 1 + +#ifdef CONFIG_ARCH_AE250 +# ifdef machine_arch_type +# undef machine_arch_type +# define machine_arch_type __machine_arch_type +# else +# define machine_arch_type MACH_TYPE_AE250 +# endif +# define machine_is_ae250() (machine_arch_type == MACH_TYPE_AE250) +#else +# define machine_is_ae250() (1) +#endif + +#endif /* __ASM_RISCV_MACH_TYPE_H */ diff --git a/arch/riscv/include/asm/posix_types.h b/arch/riscv/include/asm/posix_types.h new file mode 100644 index 0000000000..6892b66814 --- /dev/null +++ b/arch/riscv/include/asm/posix_types.h @@ -0,0 +1,89 @@ +/* + * linux/include/asm-arm/posix_types.h + * + * Copyright (C) 1996-1998 Russell King. + * + * Copyright (C) 2011 Andes Technology Corporation + * Copyright (C) 2010 Shawn Lin (nobuhiro@andestech.com) + * Copyright (C) 2011 Macpaul Lin (macpaul@andestech.com) + * Copyright (C) 2017 Rick Chen (rick@andestech.com) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * Changelog: + * 27-06-1996 RMK Created + * 25-10-2017 Modified for arch RISCV + */ +#ifndef __ARCH_RISCV_POSIX_TYPES_H +#define __ARCH_RISCV_POSIX_TYPES_H + +/* + * This file is generally used by user-level software, so you need to + * be a little careful about namespace pollution etc. Also, we cannot + * assume GCC is being used. + */ + +typedef unsigned short __kernel_dev_t; +typedef unsigned long __kernel_ino_t; +typedef unsigned short __kernel_mode_t; +typedef unsigned short __kernel_nlink_t; +typedef long __kernel_off_t; +typedef int __kernel_pid_t; +typedef unsigned short __kernel_ipc_pid_t; +typedef unsigned short __kernel_uid_t; +typedef unsigned short __kernel_gid_t; +#ifdef __GNUC__ +typedef __SIZE_TYPE__ __kernel_size_t; +#else +typedef unsigned int __kernel_size_t; +#endif +typedef int __kernel_ssize_t; +typedef int __kernel_ptrdiff_t; +typedef long __kernel_time_t; +typedef long __kernel_suseconds_t; +typedef long __kernel_clock_t; +typedef int __kernel_daddr_t; +typedef char *__kernel_caddr_t; +typedef unsigned short __kernel_uid16_t; +typedef unsigned short __kernel_gid16_t; +typedef unsigned int __kernel_uid32_t; +typedef unsigned int __kernel_gid32_t; + +typedef unsigned short __kernel_old_uid_t; +typedef unsigned short __kernel_old_gid_t; + +#ifdef __GNUC__ +typedef long long __kernel_loff_t; +#endif + +typedef struct { +#if defined(__KERNEL__) || defined(__USE_ALL) + int val[2]; +#else /* !defined(__KERNEL__) && !defined(__USE_ALL) */ + int __val[2]; +#endif /* !defined(__KERNEL__) && !defined(__USE_ALL) */ +} __kernel_fsid_t; + +#if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) + +#undef __FD_SET +#define __FD_SET(fd, fdsetp) \ + (((fd_set *)fdsetp)->fds_bits[fd >> 5] |= (1 << (fd & 31))) + +#undef __FD_CLR +#define __FD_CLR(fd, fdsetp) \ + (((fd_set *)fdsetp)->fds_bits[fd >> 5] &= ~(1 << (fd & 31))) + +#undef __FD_ISSET +#define __FD_ISSET(fd, fdsetp) \ + ((((fd_set *)fdsetp)->fds_bits[fd >> 5] & (1 << (fd & 31))) != 0) + +#undef __FD_ZERO +#define __FD_ZERO(fdsetp) \ + (memset(fdsetp, 0, sizeof(*(fd_set *)fdsetp))) + +#endif + +#endif /* __ARCH_RISCV_POSIX_TYPES_H */ diff --git a/arch/riscv/include/asm/processor.h b/arch/riscv/include/asm/processor.h new file mode 100644 index 0000000000..fe3575298e --- /dev/null +++ b/arch/riscv/include/asm/processor.h @@ -0,0 +1,26 @@ +/* + * linux/include/asm-arm/processor.h + * + * Copyright (C) 1995-2002 Russell King + * + * Copyright (C) 2011 Andes Technology Corporation + * Copyright (C) 2010 Shawn Lin (nobuhiro@andestech.com) + * Copyright (C) 2011 Macpaul Lin (macpaul@andestech.com) + * Copyright (C) 2017 Rick Chen (rick@andestech.com) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __ASM_RISCV_PROCESSOR_H +#define __ASM_RISCV_PROCESSOR_H + +/************************************************************** + * CAUTION: + * - do not implement for RISCV Arch yet. + * - so far some files include /asm/processor.h, but + * no one uses the macros defined in this head file. + **************************************************************/ + +#endif /* __ASM_RISCV_PROCESSOR_H */ diff --git a/arch/riscv/include/asm/ptrace.h b/arch/riscv/include/asm/ptrace.h new file mode 100644 index 0000000000..76d68698bb --- /dev/null +++ b/arch/riscv/include/asm/ptrace.h @@ -0,0 +1,106 @@ +/* + * Copyright (c) 2017 Microsemi Corporation. + * Copyright (c) 2017 Padmarao Begari <Padmarao.Begari@microsemi.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#ifndef __ASM_RISCV_PTRACE_H +#define __ASM_RISCV_PTRACE_H + +struct pt_regs { + unsigned long sepc; + unsigned long ra; + unsigned long sp; + unsigned long gp; + unsigned long tp; + unsigned long t0; + unsigned long t1; + unsigned long t2; + unsigned long s0; + unsigned long s1; + unsigned long a0; + unsigned long a1; + unsigned long a2; + unsigned long a3; + unsigned long a4; + unsigned long a5; + unsigned long a6; + unsigned long a7; + unsigned long s2; + unsigned long s3; + unsigned long s4; + unsigned long s5; + unsigned long s6; + unsigned long s7; + unsigned long s8; + unsigned long s9; + unsigned long s10; + unsigned long s11; + unsigned long t3; + unsigned long t4; + unsigned long t5; + unsigned long t6; + /* Supervisor CSRs */ + unsigned long sstatus; + unsigned long sbadaddr; + unsigned long scause; +}; + +#ifdef CONFIG_64BIT +#define REG_FMT "%016lx" +#else +#define REG_FMT "%08lx" +#endif + +#define user_mode(regs) (((regs)->sstatus & SR_PS) == 0) + +/* Helpers for working with the instruction pointer */ +#define GET_IP(regs) ((regs)->sepc) +#define SET_IP(regs, val) (GET_IP(regs) = (val)) + +static inline unsigned long instruction_pointer(struct pt_regs *regs) +{ + return GET_IP(regs); +} + +static inline void instruction_pointer_set(struct pt_regs *regs, + unsigned long val) +{ + SET_IP(regs, val); +} + +#define profile_pc(regs) instruction_pointer(regs) + +/* Helpers for working with the user stack pointer */ +#define GET_USP(regs) ((regs)->sp) +#define SET_USP(regs, val) (GET_USP(regs) = (val)) + +static inline unsigned long user_stack_pointer(struct pt_regs *regs) +{ + return GET_USP(regs); +} + +static inline void user_stack_pointer_set(struct pt_regs *regs, + unsigned long val) +{ + SET_USP(regs, val); +} + +/* Helpers for working with the frame pointer */ +#define GET_FP(regs) ((regs)->s0) +#define SET_FP(regs, val) (GET_FP(regs) = (val)) + +static inline unsigned long frame_pointer(struct pt_regs *regs) +{ + return GET_FP(regs); +} + +static inline void frame_pointer_set(struct pt_regs *regs, + unsigned long val) +{ + SET_FP(regs, val); +} + +#endif /* __ASM_RISCV_PTRACE_H */ diff --git a/arch/riscv/include/asm/sections.h b/arch/riscv/include/asm/sections.h new file mode 100644 index 0000000000..9faa099fb9 --- /dev/null +++ b/arch/riscv/include/asm/sections.h @@ -0,0 +1,11 @@ +/* + * Copyright (c) 2012 The Chromium OS Authors. + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __ASM_RISCV_SECTIONS_H +#define __ASM_RISCV_SECTIONS_H + +#include <asm-generic/sections.h> + +#endif diff --git a/arch/riscv/include/asm/setup.h b/arch/riscv/include/asm/setup.h new file mode 100644 index 0000000000..731b0d96aa --- /dev/null +++ b/arch/riscv/include/asm/setup.h @@ -0,0 +1,191 @@ +/* + * linux/arch/nds32/include/asm/setup.h + * + * Copyright (C) 1997-1999 Russell King + * Copyright (C) 2008 Andes Technology Corporation + * Copyright (C) 2013 Ken Kuo (ken_kuo@andestech.com) + * Copyright (C) 2017 Rick Chen (rick@andestech.com) + * + * SPDX-License-Identifier: GPL-2.0 + * + * Structure passed to kernel to tell it about the + * hardware it's running on. See Documentation/arm/Setup + * for more info. + */ +#ifndef __RISCV_SETUP_H +#define __RISCV_SETUP_H + +#define COMMAND_LINE_SIZE 256 + +/* The list ends with an ATAG_NONE node. */ +#define ATAG_NONE 0x00000000 + +struct tag_header { + u32 size; + u32 tag; +}; + +/* The list must start with an ATAG_CORE node */ +#define ATAG_CORE 0x54410001 + +struct tag_core { + u32 flags; /* bit 0 = read-only */ + u32 pagesize; + u32 rootdev; +}; + +/* it is allowed to have multiple ATAG_MEM nodes */ +#define ATAG_MEM 0x54410002 + +struct tag_mem32 { + u32 size; + u32 start; /* physical start address */ +}; + +/* VGA text type displays */ +#define ATAG_VIDEOTEXT 0x54410003 + +struct tag_videotext { + u8 x; + u8 y; + u16 video_page; + u8 video_mode; + u8 video_cols; + u16 video_ega_bx; + u8 video_lines; + u8 video_isvga; + u16 video_points; +}; + +/* describes how the ramdisk will be used in kernel */ +#define ATAG_RAMDISK 0x54410004 + +struct tag_ramdisk { + u32 flags; /* bit 0 = load, bit 1 = prompt */ + u32 size; /* decompressed ramdisk size in _kilo_ bytes */ + u32 start; /* starting block of floppy-based RAM disk image */ +}; + +/* + * this one accidentally used virtual addresses - as such, + * it's deprecated. + * describes where the compressed ramdisk image lives (virtual address) + */ +#define ATAG_INITRD 0x54410005 + +/* describes where the compressed ramdisk image lives (physical address) */ +#define ATAG_INITRD2 0x54420005 + +struct tag_initrd { + u32 start; /* physical start address */ + u32 size; /* size of compressed ramdisk image in bytes */ +}; + +/* board serial number. "64 bits should be enough for everybody" */ +#define ATAG_SERIAL 0x54410006 + +struct tag_serialnr { + u32 low; + u32 high; +}; + +/* board revision */ +#define ATAG_REVISION 0x54410007 + +struct tag_revision { + u32 rev; +}; + +/* initial values for vesafb-type framebuffers. see struct screen_info + * in include/linux/tty.h + */ +#define ATAG_VIDEOLFB 0x54410008 + +struct tag_videolfb { + u16 lfb_width; + u16 lfb_height; + u16 lfb_depth; + u16 lfb_linelength; + u32 lfb_base; + u32 lfb_size; + u8 red_size; + u8 red_pos; + u8 green_size; + u8 green_pos; + u8 blue_size; + u8 blue_pos; + u8 rsvd_size; + u8 rsvd_pos; +}; + +/* command line: \0 terminated string */ +#define ATAG_CMDLINE 0x54410009 + +struct tag_cmdline { + char cmdline[COMMAND_LINE_SIZE]; +}; + +struct tag { + struct tag_header hdr; + union { + struct tag_core core; + struct tag_mem32 mem; + struct tag_videotext videotext; + struct tag_ramdisk ramdisk; + struct tag_initrd initrd; + struct tag_serialnr serialnr; + struct tag_revision revision; + struct tag_videolfb videolfb; + struct tag_cmdline cmdline; + } u; +}; + +struct tagtable { + u32 tag; + int (*parse)(const struct tag *); +}; + +#define tag_member_present(tag, member) \ + ((unsigned long)(&((struct tag *)0L)->member + 1) \ + <= (tag)->hdr.size * 4) + +#define tag_next(t) ((struct tag *)((u32 *)(t) + (t)->hdr.size)) +#define tag_size(type) ((sizeof(struct tag_header) + sizeof(struct type)) >> 2) + +#define for_each_tag(t, base) \ + for (t = base; t->hdr.size; t = tag_next(t)) + +#ifdef __KERNEL__ + +#define __tag __used __attribute__((__section__(".taglist"))) +#define __tagtable(tag, fn) \ +static struct tagtable __tagtable_##fn __tag = { tag, fn } + +/* + * Memory map description + */ +#define NR_BANKS 8 + +struct meminfo { + int nr_banks; + struct { + unsigned long start; + unsigned long size; + int node; + } bank[NR_BANKS]; +}; + +/* + * Early command line parameters. + */ +struct early_params { + const char *arg; + void (*fn)(char **p); +}; + +#define __early_param(name, fn) \ +static struct early_params __early_##fn __used \ +__attribute__((__section__("__early_param"))) = { name, fn } + +#endif +#endif diff --git a/arch/riscv/include/asm/string.h b/arch/riscv/include/asm/string.h new file mode 100644 index 0000000000..038cdaea72 --- /dev/null +++ b/arch/riscv/include/asm/string.h @@ -0,0 +1,43 @@ +/* + * Copyright (C) 2011 Andes Technology Corporation + * Copyright (C) 2010 Shawn Lin (nobuhiro@andestech.com) + * Copyright (C) 2011 Macpaul Lin (macpaul@andestech.com) + * Copyright (C) 2017 Rick Chen (rick@andestech.com) + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ + +#ifndef __ASM_RISCV_STRING_H +#define __ASM_RISCV_STRING_H + +/* + * We don't do inline string functions, since the + * optimised inline asm versions are not small. + */ + +#undef __HAVE_ARCH_STRRCHR +#undef __HAVE_ARCH_STRCHR +#undef __HAVE_ARCH_MEMCPY +#undef __HAVE_ARCH_MEMMOVE +#undef __HAVE_ARCH_MEMCHR +#undef __HAVE_ARCH_MEMZERO +#undef __HAVE_ARCH_MEMSET + +#ifdef CONFIG_MARCO_MEMSET +#define memset(p, v, n) \ + ({ \ + if ((n) != 0) { \ + if (__builtin_constant_p((v)) && (v) == 0) \ + __memzero((p), (n)); \ + else \ + memset((p), (v), (n)); \ + } \ + (p); \ + }) + +#define memzero(p, n) ({ if ((n) != 0) __memzero((p), (n)); (p); }) +#endif + +#endif /* __ASM_RISCV_STRING_H */ diff --git a/arch/riscv/include/asm/system.h b/arch/riscv/include/asm/system.h new file mode 100644 index 0000000000..443a3005d8 --- /dev/null +++ b/arch/riscv/include/asm/system.h @@ -0,0 +1,18 @@ +/* + * Copyright (C) 2017 Andes Technology Corporation + * Rick Chen, Andes Technology Corporation <rick@andestech.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __ASM_RISCV_SYSTEM_H +#define __ASM_RISCV_SYSTEM_H + +/* + * Interrupt configuring macros. + * + * TODO + * + */ + +#endif /* __ASM_RISCV_SYSTEM_H */ diff --git a/arch/riscv/include/asm/types.h b/arch/riscv/include/asm/types.h new file mode 100644 index 0000000000..9797206e5e --- /dev/null +++ b/arch/riscv/include/asm/types.h @@ -0,0 +1,64 @@ +/* + * Copyright (C) 2011 Andes Technology Corporation + * Copyright (C) 2010 Shawn Lin (nobuhiro@andestech.com) + * Copyright (C) 2011 Macpaul Lin (macpaul@andestech.com) + * Copyright (C) 2017 Rick Chen (rick@andestech.com) + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ + +#ifndef __ASM_RISCV_TYPES_H +#define __ASM_RISCV_TYPES_H + +typedef unsigned short umode_t; + +/* + * __xx is ok: it doesn't pollute the POSIX namespace. Use these in the + * header files exported to user space + */ + +typedef __signed__ char __s8; +typedef unsigned char __u8; + +typedef __signed__ short __s16; +typedef unsigned short __u16; + +typedef __signed__ int __s32; +typedef unsigned int __u32; + +#if defined(__GNUC__) && !defined(__STRICT_ANSI__) +typedef __signed__ long long __s64; +typedef unsigned long long __u64; +#endif + +/* + * These aren't exported outside the kernel to avoid name space clashes + */ +#ifdef __KERNEL__ + +typedef signed char s8; +typedef unsigned char u8; + +typedef signed short s16; +typedef unsigned short u16; + +typedef signed int s32; +typedef unsigned int u32; + +typedef signed long long s64; +typedef unsigned long long u64; + +#define BITS_PER_LONG 32 + +#include <stddef.h> + +typedef u32 dma_addr_t; + +typedef unsigned long phys_addr_t; +typedef unsigned long phys_size_t; + +#endif /* __KERNEL__ */ + +#endif diff --git a/arch/riscv/include/asm/u-boot-riscv.h b/arch/riscv/include/asm/u-boot-riscv.h new file mode 100644 index 0000000000..18099cd260 --- /dev/null +++ b/arch/riscv/include/asm/u-boot-riscv.h @@ -0,0 +1,21 @@ +/* + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Marius Groeger <mgroeger@sysgo.de> + * + * Copyright (C) 2017 Andes Technology Corporation + * Rick Chen, Andes Technology Corporation <rick@andestech.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _U_BOOT_RISCV_H_ +#define _U_BOOT_RISCV_H_ 1 + +/* cpu/.../cpu.c */ +int cleanup_before_linux(void); + +/* board/.../... */ +int board_init(void); + +#endif /* _U_BOOT_RISCV_H_ */ diff --git a/arch/riscv/include/asm/u-boot.h b/arch/riscv/include/asm/u-boot.h new file mode 100644 index 0000000000..ddf7a6310f --- /dev/null +++ b/arch/riscv/include/asm/u-boot.h @@ -0,0 +1,46 @@ +/* + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Marius Groeger <mgroeger@sysgo.de> + * + * Copyright (C) 2017 Andes Technology Corporation + * Rick Chen, Andes Technology Corporation <rick@andestech.com> + * + * SPDX-License-Identifier: GPL-2.0+ + * + ******************************************************************** + * NOTE: This header file defines an interface to U-Boot. Including + * this (unmodified) header file in another file is considered normal + * use of U-Boot, and does *not* fall under the heading of "derived + * work". + ******************************************************************** + */ + +#ifndef _U_BOOT_H_ +#define _U_BOOT_H_ 1 + +#include <asm/u-boot-riscv.h> + +#include <environment.h> + +typedef struct bd_info { + unsigned long bi_arch_number; /* unique id for this board */ + unsigned long bi_boot_params; /* where this board expects params */ + unsigned long bi_memstart; /* start of DRAM memory */ + unsigned long bi_memsize; /* size of DRAM memory in bytes */ + unsigned long bi_flashstart; /* start of FLASH memory */ + unsigned long bi_flashsize; /* size of FLASH memory */ + unsigned long bi_flashoffset; /* reserved area for startup monitor */ + unsigned char bi_enetaddr[6]; + + struct /* RAM configuration */ + { + unsigned long start; + unsigned long size; + } bi_dram[CONFIG_NR_DRAM_BANKS]; +} bd_t; + +/* For image.h:image_check_target_arch() */ +#define IH_ARCH_DEFAULT IH_ARCH_RISCV + +#endif /* _U_BOOT_H_ */ diff --git a/arch/riscv/include/asm/unaligned.h b/arch/riscv/include/asm/unaligned.h new file mode 100644 index 0000000000..6cecbbb211 --- /dev/null +++ b/arch/riscv/include/asm/unaligned.h @@ -0,0 +1 @@ +#include <asm-generic/unaligned.h> diff --git a/arch/riscv/lib/Makefile b/arch/riscv/lib/Makefile new file mode 100644 index 0000000000..323cf3e835 --- /dev/null +++ b/arch/riscv/lib/Makefile @@ -0,0 +1,14 @@ +# +# (C) Copyright 2000-2006 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# Copyright (C) 2017 Andes Technology Corporation +# Rick Chen, Andes Technology Corporation <rick@andestech.com> +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-$(CONFIG_CMD_BOOTM) += bootm.o +obj-$(CONFIG_CMD_GO) += boot.o +obj-y += cache.o +obj-y += interrupts.o diff --git a/arch/riscv/lib/boot.c b/arch/riscv/lib/boot.c new file mode 100644 index 0000000000..39ba9b49ff --- /dev/null +++ b/arch/riscv/lib/boot.c @@ -0,0 +1,19 @@ +/* + * Copyright (C) 2017 Andes Technology Corporation + * Rick Chen, Andes Technology Corporation <rick@andestech.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <command.h> + +DECLARE_GLOBAL_DATA_PTR; + +unsigned long do_go_exec(ulong (*entry)(int, char * const []), + int argc, char * const argv[]) +{ + cleanup_before_linux(); + + return entry(argc, argv); +} diff --git a/arch/riscv/lib/bootm.c b/arch/riscv/lib/bootm.c new file mode 100644 index 0000000000..44ce38b614 --- /dev/null +++ b/arch/riscv/lib/bootm.c @@ -0,0 +1,248 @@ +/* + * Copyright (C) 2011 Andes Technology Corporation + * Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com> + * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com> + * Rick Chen, Andes Technology Corporation <rick@andestech.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <command.h> +#include <image.h> +#include <u-boot/zlib.h> +#include <asm/byteorder.h> +#include <asm/bootm.h> + +DECLARE_GLOBAL_DATA_PTR; + +int arch_fixup_fdt(void *blob) +{ + return 0; +} + +#if defined(CONFIG_SETUP_MEMORY_TAGS) || \ + defined(CONFIG_CMDLINE_TAG) || \ + defined(CONFIG_INITRD_TAG) || \ + defined(CONFIG_SERIAL_TAG) || \ + defined(CONFIG_REVISION_TAG) +static void setup_start_tag(bd_t *bd); + +# ifdef CONFIG_SETUP_MEMORY_TAGS +static void setup_memory_tags(bd_t *bd); +# endif +static void setup_commandline_tag(bd_t *bd, char *commandline); + +# ifdef CONFIG_INITRD_TAG +static void setup_initrd_tag(bd_t *bd, ulong initrd_start, ulong initrd_end); +# endif +static void setup_end_tag(bd_t *bd); + +static struct tag *params; +#endif /* CONFIG_SETUP_MEMORY_TAGS || CONFIG_CMDLINE_TAG || CONFIG_INITRD_TAG */ + +int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images) +{ + bd_t *bd = gd->bd; + char *s; + int machid = bd->bi_arch_number; + void (*theKernel)(int zero, int arch, uint params); + +#ifdef CONFIG_CMDLINE_TAG + char *commandline = env_get("bootargs"); +#endif + + /* + * allow the PREP bootm subcommand, it is required for bootm to work + */ + if (flag & BOOTM_STATE_OS_PREP) + return 0; + + if ((flag != 0) && (flag != BOOTM_STATE_OS_GO)) + return 1; + + theKernel = (void (*)(int, int, uint))images->ep; + + s = env_get("machid"); + if (s) { + machid = simple_strtoul(s, NULL, 16); + printf("Using machid 0x%x from environment\n", machid); + } + + bootstage_mark(BOOTSTAGE_ID_RUN_OS); + + debug("## Transferring control to Linux (at address %08lx) ...\n", + (ulong)theKernel); + + if (IMAGE_ENABLE_OF_LIBFDT && images->ft_len) { +#ifdef CONFIG_OF_LIBFDT + debug("using: FDT\n"); + if (image_setup_linux(images)) { + printf("FDT creation failed! hanging..."); + hang(); + } +#endif + } else if (BOOTM_ENABLE_TAGS) { +#if defined(CONFIG_SETUP_MEMORY_TAGS) || \ + defined(CONFIG_CMDLINE_TAG) || \ + defined(CONFIG_INITRD_TAG) || \ + defined(CONFIG_SERIAL_TAG) || \ + defined(CONFIG_REVISION_TAG) + setup_start_tag(bd); +#ifdef CONFIG_SERIAL_TAG + setup_serial_tag(¶ms); +#endif +#ifdef CONFIG_REVISION_TAG + setup_revision_tag(¶ms); +#endif +#ifdef CONFIG_SETUP_MEMORY_TAGS + setup_memory_tags(bd); +#endif +#ifdef CONFIG_CMDLINE_TAG + setup_commandline_tag(bd, commandline); +#endif +#ifdef CONFIG_INITRD_TAG + if (images->rd_start && images->rd_end) + setup_initrd_tag(bd, images->rd_start, images->rd_end); +#endif + setup_end_tag(bd); +#endif + + /* we assume that the kernel is in place */ + printf("\nStarting kernel ...\n\n"); + +#ifdef CONFIG_USB_DEVICE + { + extern void udc_disconnect(void); + udc_disconnect(); + } +#endif + } + cleanup_before_linux(); + if (IMAGE_ENABLE_OF_LIBFDT && images->ft_len) + theKernel(0, machid, (unsigned long)images->ft_addr); + else + theKernel(0, machid, bd->bi_boot_params); + /* does not return */ + + return 1; +} + +#if defined(CONFIG_SETUP_MEMORY_TAGS) || \ + defined(CONFIG_CMDLINE_TAG) || \ + defined(CONFIG_INITRD_TAG) || \ + defined(CONFIG_SERIAL_TAG) || \ + defined(CONFIG_REVISION_TAG) +static void setup_start_tag(bd_t *bd) +{ + params = (struct tag *)bd->bi_boot_params; + + params->hdr.tag = ATAG_CORE; + params->hdr.size = tag_size(tag_core); + + params->u.core.flags = 0; + params->u.core.pagesize = 0; + params->u.core.rootdev = 0; + + params = tag_next(params); +} + +#ifdef CONFIG_SETUP_MEMORY_TAGS +static void setup_memory_tags(bd_t *bd) +{ + int i; + + for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) { + params->hdr.tag = ATAG_MEM; + params->hdr.size = tag_size(tag_mem32); + + params->u.mem.start = bd->bi_dram[i].start; + params->u.mem.size = bd->bi_dram[i].size; + + params = tag_next(params); + } +} +#endif /* CONFIG_SETUP_MEMORY_TAGS */ + +static void setup_commandline_tag(bd_t *bd, char *commandline) +{ + char *p; + + if (!commandline) + return; + + /* eat leading white space */ + for (p = commandline; *p == ' '; p++) + ; + + /* skip non-existent command lines so the kernel will still + * use its default command line. + */ + if (*p == '\0') + return; + + params->hdr.tag = ATAG_CMDLINE; + params->hdr.size = + (sizeof(struct tag_header) + strlen(p) + 1 + 4) >> 2; + + strcpy(params->u.cmdline.cmdline, p) + ; + + params = tag_next(params); +} + +#ifdef CONFIG_INITRD_TAG +static void setup_initrd_tag(bd_t *bd, ulong initrd_start, ulong initrd_end) +{ + /* an ATAG_INITRD node tells the kernel where the compressed + * ramdisk can be found. ATAG_RDIMG is a better name, actually. + */ + params->hdr.tag = ATAG_INITRD2; + params->hdr.size = tag_size(tag_initrd); + + params->u.initrd.start = initrd_start; + params->u.initrd.size = initrd_end - initrd_start; + + params = tag_next(params); +} +#endif /* CONFIG_INITRD_TAG */ + +#ifdef CONFIG_SERIAL_TAG +void setup_serial_tag(struct tag **tmp) +{ + struct tag *params; + struct tag_serialnr serialnr; + void get_board_serial(struct tag_serialnr *serialnr); + + params = *tmp; + get_board_serial(&serialnr); + params->hdr.tag = ATAG_SERIAL; + params->hdr.size = tag_size(tag_serialnr); + params->u.serialnr.low = serialnr.low; + params->u.serialnr.high = serialnr.high; + params = tag_next(params); + *tmp = params; +} +#endif + +#ifdef CONFIG_REVISION_TAG +void setup_revision_tag(struct tag **in_params) +{ + u32 rev; + u32 get_board_rev(void); + + rev = get_board_rev(); + params->hdr.tag = ATAG_REVISION; + params->hdr.size = tag_size(tag_revision); + params->u.revision.rev = rev; + params = tag_next(params); +} +#endif /* CONFIG_REVISION_TAG */ + +static void setup_end_tag(bd_t *bd) +{ + params->hdr.tag = ATAG_NONE; + params->hdr.size = 0; +} + +#endif /* CONFIG_SETUP_MEMORY_TAGS || CONFIG_CMDLINE_TAG || CONFIG_INITRD_TAG */ diff --git a/arch/riscv/lib/cache.c b/arch/riscv/lib/cache.c new file mode 100644 index 0000000000..948656fdf2 --- /dev/null +++ b/arch/riscv/lib/cache.c @@ -0,0 +1,50 @@ +/* + * Copyright (C) 2017 Andes Technology Corporation + * Rick Chen, Andes Technology Corporation <rick@andestech.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> + +void flush_dcache_range(unsigned long start, unsigned long end) +{ +} + +void invalidate_icache_range(unsigned long start, unsigned long end) +{ +} + +void invalidate_dcache_range(unsigned long start, unsigned long end) +{ +} + +void flush_cache(unsigned long addr, unsigned long size) +{ +} + +void icache_enable(void) +{ +} + +void icache_disable(void) +{ +} + +int icache_status(void) +{ + return 0; +} + +void dcache_enable(void) +{ +} + +void dcache_disable(void) +{ +} + +int dcache_status(void) +{ + return 0; +} diff --git a/arch/riscv/lib/interrupts.c b/arch/riscv/lib/interrupts.c new file mode 100644 index 0000000000..075db8ba46 --- /dev/null +++ b/arch/riscv/lib/interrupts.c @@ -0,0 +1,76 @@ +/* + * Copyright (c) 2016-17 Microsemi Corporation. + * Padmarao Begari, Microsemi Corporation <padmarao.begari@microsemi.com> + * + * Copyright (C) 2017 Andes Technology Corporation + * Rick Chen, Andes Technology Corporation <rick@andestech.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/ptrace.h> +#include <asm/system.h> +#include <asm/encoding.h> + +static void _exit_trap(int code, uint epc, struct pt_regs *regs); + +int interrupt_init(void) +{ + return 0; +} + +/* + * enable interrupts + */ +void enable_interrupts(void) +{ +} + +/* + * disable interrupts + */ +int disable_interrupts(void) +{ + return 0; +} + +uint handle_trap(uint mcause, uint epc, struct pt_regs *regs) +{ + uint is_int; + + is_int = (mcause & MCAUSE_INT); + if ((is_int) && ((mcause & MCAUSE_CAUSE) == IRQ_M_EXT)) + external_interrupt(0); /* handle_m_ext_interrupt */ + else if ((is_int) && ((mcause & MCAUSE_CAUSE) == IRQ_M_TIMER)) + timer_interrupt(0); /* handle_m_timer_interrupt */ + else + _exit_trap(mcause, epc, regs); + + return epc; +} + +/* + *Entry Point for PLIC Interrupt Handler + */ +__attribute__((weak)) void external_interrupt(struct pt_regs *regs) +{ +} + +__attribute__((weak)) void timer_interrupt(struct pt_regs *regs) +{ +} + +static void _exit_trap(int code, uint epc, struct pt_regs *regs) +{ + static const char *exception_code[] = { + "Instruction address misaligned", + "Instruction access fault", + "Illegal instruction", + "Breakpoint", + "Load address misaligned" + }; + + printf("exception code: %d , %s , epc %08x , ra %08lx\n", + code, exception_code[code], epc, regs->ra); +} diff --git a/arch/sandbox/lib/Makefile b/arch/sandbox/lib/Makefile index 2e7802feac..a79ade7b11 100644 --- a/arch/sandbox/lib/Makefile +++ b/arch/sandbox/lib/Makefile @@ -8,8 +8,6 @@ # obj-y += interrupts.o -ifndef CONFIG_SPL_BUILD obj-$(CONFIG_PCI) += pci_io.o -endif obj-$(CONFIG_CMD_BOOTM) += bootm.o obj-$(CONFIG_CMD_BOOTZ) += bootm.o |