diff options
Diffstat (limited to 'arch/arm/cpu')
64 files changed, 2245 insertions, 468 deletions
diff --git a/arch/arm/cpu/arm1136/u-boot-spl.lds b/arch/arm/cpu/arm1136/u-boot-spl.lds index 0299902f20..97e4a8bc87 100644 --- a/arch/arm/cpu/arm1136/u-boot-spl.lds +++ b/arch/arm/cpu/arm1136/u-boot-spl.lds @@ -22,6 +22,7 @@ SECTIONS .text : { __start = .; + *(.vectors) arch/arm/cpu/arm1136/start.o (.text*) *(.text*) } >.sram diff --git a/arch/arm/cpu/arm920t/ep93xx/u-boot.lds b/arch/arm/cpu/arm920t/ep93xx/u-boot.lds deleted file mode 100644 index 623a635208..0000000000 --- a/arch/arm/cpu/arm920t/ep93xx/u-boot.lds +++ /dev/null @@ -1,58 +0,0 @@ -/* - * (C) Copyright 2002 - * Gary Jennejohn, DENX Software Engineering, <gj@denx.de> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") -OUTPUT_ARCH(arm) -ENTRY(_start) -SECTIONS -{ - . = 0x00000000; - - . = ALIGN(4); - .text : - { - *(.__image_copy_start) - *(.vectors) - arch/arm/cpu/arm920t/start.o (.text*) - /* the EP93xx expects to find the pattern 'CRUS' at 0x1000 */ - . = 0x1000; - LONG(0x53555243) - *(.text*) - } - - . = ALIGN(4); - .rodata : { *(.rodata*) } - - . = ALIGN(4); - .data : { *(.data*) } - - . = ALIGN(4); - .got : { *(.got) } - - . = .; - - . = ALIGN(4); - .u_boot_list : { - KEEP(*(SORT(.u_boot_list*))); - } - - . = ALIGN(4); - - .image_copy_end : - { - *(.__image_copy_end) - } - - __bss_start = .; - .bss : { *(.bss*) } - __bss_end = .; - - .end : - { - *(.__end) - } -} diff --git a/arch/arm/cpu/arm926ejs/davinci/Kconfig b/arch/arm/cpu/arm926ejs/davinci/Kconfig new file mode 100644 index 0000000000..be1b0f9126 --- /dev/null +++ b/arch/arm/cpu/arm926ejs/davinci/Kconfig @@ -0,0 +1,79 @@ +if ARCH_DAVINCI + +choice + prompt "DaVinci board select" + +config TARGET_ENBW_CMC + bool "EnBW CMC board" + +config TARGET_IPAM390 + bool "IPAM390 board" + +config TARGET_DA830EVM + bool "DA830 EVM board" + +config TARGET_DA850EVM + bool "DA850 EVM board" + +config TARGET_CAM_ENC_4XX + bool "CAM ENC 4xx board" + +config TARGET_HAWKBOARD + bool "Hawkboard" + +config TARGET_DAVINCI_DM355EVM + bool "DM355 EVM board" + +config TARGET_DAVINCI_DM355LEOPARD + bool "DM355 Leopard board" + +config TARGET_DAVINCI_DM365EVM + bool "DM365 EVM board" + +config TARGET_DAVINCI_DM6467EVM + bool "DM6467 EVM board" + +config TARGET_DAVINCI_DVEVM + bool "DVEVM board" + +config TARGET_EA20 + bool "EA20 board" + +config TARGET_DAVINCI_SCHMOOGIE + bool "Schmoogie board" + +config TARGET_DAVINCI_SFFSDR + bool "SFFSDR board" + +config TARGET_DAVINCI_SONATA + bool "Sonata board" + +config TARGET_CALIMAIN + bool "Calimain board" + +endchoice + +config SYS_CPU + string + default "arm926ejs" + +config SYS_SOC + string + default "davinci" + +source "board/enbw/enbw_cmc/Kconfig" +source "board/ait/cam_enc_4xx/Kconfig" +source "board/Barix/ipam390/Kconfig" +source "board/davinci/da8xxevm/Kconfig" +source "board/davinci/dm355evm/Kconfig" +source "board/davinci/dm355leopard/Kconfig" +source "board/davinci/dm365evm/Kconfig" +source "board/davinci/dm6467evm/Kconfig" +source "board/davinci/dvevm/Kconfig" +source "board/davinci/ea20/Kconfig" +source "board/davinci/schmoogie/Kconfig" +source "board/davinci/sffsdr/Kconfig" +source "board/davinci/sonata/Kconfig" +source "board/omicron/calimain/Kconfig" + +endif diff --git a/arch/arm/cpu/arm926ejs/kirkwood/Kconfig b/arch/arm/cpu/arm926ejs/kirkwood/Kconfig new file mode 100644 index 0000000000..58867f3cf1 --- /dev/null +++ b/arch/arm/cpu/arm926ejs/kirkwood/Kconfig @@ -0,0 +1,89 @@ +if KIRKWOOD + +choice + prompt "Marvell Kirkwood board select" + +config TARGET_OPENRD + bool "Marvell OpenRD Board" + +config TARGET_MV88F6281GTW_GE + bool "MV88f6281GTW_GE Board" + +config TARGET_RD6281A + bool "RD6281A Board" + +config TARGET_DREAMPLUG + bool "DreamPlug Board" + +config TARGET_GURUPLUG + bool "GuruPlug Board" + +config TARGET_SHEEVAPLUG + bool "SheevaPlug Board" + +config TARGET_LSXL + bool "lsxl Board" + +config TARGET_POGO_E02 + bool "pogo_e02 Board" + +config TARGET_DNS325 + bool "dns325 Board" + +config TARGET_ICONNECT + bool "iconnect Board" + +config TARGET_TK71 + bool "TK71 Board" + +config TARGET_KM_KIRKWOOD + bool "KM_KIRKWOOD Board" + +config TARGET_NET2BIG_V2 + bool "LaCie 2Big Network v2 NAS Board" + +config TARGET_NETSPACE_V2 + bool "LaCie netspace_v2 Board" + +config TARGET_WIRELESS_SPACE + bool "LaCie Wireless_space Board" + +config TARGET_IB62X0 + bool "ib62x0 Board" + +config TARGET_DOCKSTAR + bool "Dockstar Board" + +config TARGET_GOFLEXHOME + bool "GoFlex Home Board" + +endchoice + +config SYS_CPU + string + default "arm926ejs" + +config SYS_SOC + string + default "kirkwood" + +source "board/Marvell/openrd/Kconfig" +source "board/Marvell/mv88f6281gtw_ge/Kconfig" +source "board/Marvell/rd6281a/Kconfig" +source "board/Marvell/dreamplug/Kconfig" +source "board/Marvell/guruplug/Kconfig" +source "board/Marvell/sheevaplug/Kconfig" +source "board/buffalo/lsxl/Kconfig" +source "board/cloudengines/pogo_e02/Kconfig" +source "board/d-link/dns325/Kconfig" +source "board/iomega/iconnect/Kconfig" +source "board/karo/tk71/Kconfig" +source "board/keymile/km_arm/Kconfig" +source "board/LaCie/net2big_v2/Kconfig" +source "board/LaCie/netspace_v2/Kconfig" +source "board/LaCie/wireless_space/Kconfig" +source "board/raidsonic/ib62x0/Kconfig" +source "board/Seagate/dockstar/Kconfig" +source "board/Seagate/goflexhome/Kconfig" + +endif diff --git a/arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds b/arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds index f4bf8ac1dd..bf2ac13056 100644 --- a/arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds +++ b/arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds @@ -21,6 +21,7 @@ SECTIONS . = ALIGN(4); .text : { + *(.vectors) arch/arm/cpu/arm926ejs/mxs/start.o (.text*) *(.text*) } diff --git a/arch/arm/cpu/arm926ejs/nomadik/Kconfig b/arch/arm/cpu/arm926ejs/nomadik/Kconfig new file mode 100644 index 0000000000..7177800a61 --- /dev/null +++ b/arch/arm/cpu/arm926ejs/nomadik/Kconfig @@ -0,0 +1,21 @@ +if ARCH_NOMADIK + +choice + prompt "Nomadik board select" + +config NOMADIK_NHK8815 + bool "ST 8815 Nomadik Hardware Kit" + +endchoice + +config SYS_CPU + string + default "arm926ejs" + +config SYS_SOC + string + default "nomadik" + +source "board/st/nhk8815/Kconfig" + +endif diff --git a/arch/arm/cpu/arm926ejs/orion5x/Kconfig b/arch/arm/cpu/arm926ejs/orion5x/Kconfig new file mode 100644 index 0000000000..aa40099037 --- /dev/null +++ b/arch/arm/cpu/arm926ejs/orion5x/Kconfig @@ -0,0 +1,21 @@ +if ORION5X + +choice + prompt "Marvell Orion board select" + +config TARGET_EDMINIV2 + bool "LaCie Ethernet Disk mini V2" + +endchoice + +config SYS_CPU + string + default "arm926ejs" + +config SYS_SOC + string + default "orion5x" + +source "board/LaCie/edminiv2/Kconfig" + +endif diff --git a/arch/arm/cpu/arm926ejs/versatile/Kconfig b/arch/arm/cpu/arm926ejs/versatile/Kconfig new file mode 100644 index 0000000000..fc29c9800f --- /dev/null +++ b/arch/arm/cpu/arm926ejs/versatile/Kconfig @@ -0,0 +1,23 @@ +if ARCH_VERSATILE + +config SYS_CPU + string + default "arm926ejs" + +config SYS_BOARD + string + default "versatile" + +config SYS_VENDOR + string + default "armltd" + +config SYS_SOC + string + default "versatile" + +config SYS_CONFIG_NAME + string + default "versatile" + +endif diff --git a/arch/arm/cpu/armv7/Makefile b/arch/arm/cpu/armv7/Makefile index 703ce8c640..afeed4dad8 100644 --- a/arch/arm/cpu/armv7/Makefile +++ b/arch/arm/cpu/armv7/Makefile @@ -28,6 +28,7 @@ ifneq ($(CONFIG_ARMV7_PSCI),) obj-y += psci.o endif +obj-$(CONFIG_IPROC) += iproc-common/ obj-$(CONFIG_KONA) += kona-common/ obj-$(CONFIG_OMAP_COMMON) += omap-common/ obj-$(CONFIG_SYS_ARCH_TIMER) += arch_timer.o diff --git a/arch/arm/cpu/armv7/am33xx/u-boot-spl.lds b/arch/arm/cpu/armv7/am33xx/u-boot-spl.lds index b1c28c9442..07cf267878 100644 --- a/arch/arm/cpu/armv7/am33xx/u-boot-spl.lds +++ b/arch/arm/cpu/armv7/am33xx/u-boot-spl.lds @@ -22,6 +22,7 @@ SECTIONS .text : { __start = .; + *(.vectors) arch/arm/cpu/armv7/start.o (.text) *(.text*) } >.sram diff --git a/arch/arm/cpu/armv7/bcm281xx/Makefile b/arch/arm/cpu/armv7/bcm281xx/Makefile index 98f5aa59ca..bd867a2718 100644 --- a/arch/arm/cpu/armv7/bcm281xx/Makefile +++ b/arch/arm/cpu/armv7/bcm281xx/Makefile @@ -9,3 +9,4 @@ obj-y += clk-core.o obj-y += clk-bcm281xx.o obj-y += clk-sdio.o obj-y += clk-bsc.o +obj-$(CONFIG_BCM_SF2_ETH) += clk-eth.o diff --git a/arch/arm/cpu/armv7/bcm281xx/clk-bcm281xx.c b/arch/arm/cpu/armv7/bcm281xx/clk-bcm281xx.c index bc8a170b40..d16b99fc23 100644 --- a/arch/arm/cpu/armv7/bcm281xx/clk-bcm281xx.c +++ b/arch/arm/cpu/armv7/bcm281xx/clk-bcm281xx.c @@ -118,6 +118,16 @@ unsigned long slave_apb_freq_tbl[8] = { 78 * CLOCK_1M }; +unsigned long esub_freq_tbl[8] = { + 78 * CLOCK_1M, + 156 * CLOCK_1M, + 156 * CLOCK_1M, + 156 * CLOCK_1M, + 208 * CLOCK_1M, + 208 * CLOCK_1M, + 208 * CLOCK_1M +}; + static struct bus_clk_data bsc1_apb_data = { .gate = HW_SW_GATE_AUTO(0x0458, 16, 0, 1), }; @@ -295,6 +305,27 @@ static struct ccu_clock kps_ccu_clk = { .freq_tbl = slave_axi_freq_tbl, }; +#ifdef CONFIG_BCM_SF2_ETH +static struct ccu_clock esub_ccu_clk = { + .clk = { + .name = "esub_ccu_clk", + .ops = &ccu_clk_ops, + .ccu_clk_mgr_base = ESUB_CLK_BASE_ADDR, + }, + .num_policy_masks = 1, + .policy_freq_offset = 0x00000008, + .freq_bit_shift = 8, + .policy_ctl_offset = 0x0000000c, + .policy0_mask_offset = 0x00000010, + .policy1_mask_offset = 0x00000014, + .policy2_mask_offset = 0x00000018, + .policy3_mask_offset = 0x0000001c, + .lvm_en_offset = 0x00000034, + .freq_id = 2, + .freq_tbl = esub_freq_tbl, +}; +#endif + /* * Bus clocks */ @@ -517,6 +548,9 @@ struct clk_lookup arch_clk_tbl[] = { CLK_LK(bsc1_apb), CLK_LK(bsc2_apb), CLK_LK(bsc3_apb), +#ifdef CONFIG_BCM_SF2_ETH + CLK_LK(esub_ccu), +#endif }; /* public array size */ diff --git a/arch/arm/cpu/armv7/bcm281xx/clk-eth.c b/arch/arm/cpu/armv7/bcm281xx/clk-eth.c new file mode 100644 index 0000000000..b0b92b9df7 --- /dev/null +++ b/arch/arm/cpu/armv7/bcm281xx/clk-eth.c @@ -0,0 +1,143 @@ +/* + * Copyright 2014 Broadcom Corporation. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/errno.h> +#include <asm/arch/sysmap.h> +#include <asm/kona-common/clk.h> +#include "clk-core.h" + +#define WR_ACCESS_ADDR ESUB_CLK_BASE_ADDR +#define WR_ACCESS_PASSWORD 0xA5A500 + +#define PLLE_POST_RESETB_ADDR (ESUB_CLK_BASE_ADDR + 0x00000C00) + +#define PLLE_RESETB_ADDR (ESUB_CLK_BASE_ADDR + 0x00000C58) +#define PLLE_RESETB_I_PLL_RESETB_PLLE_MASK 0x00010000 +#define PLLE_POST_RESETB_I_POST_RESETB_PLLE_MASK 0x00000001 + +#define PLL_LOCK_ADDR (ESUB_CLK_BASE_ADDR + 0x00000C38) +#define PLL_LOCK_PLL_LOCK_PLLE_MASK 0x00000001 + +#define ESW_SYS_DIV_ADDR (ESUB_CLK_BASE_ADDR + 0x00000A04) +#define ESW_SYS_DIV_PLL_SELECT_MASK 0x00000300 +#define ESW_SYS_DIV_DIV_MASK 0x0000001C +#define ESW_SYS_DIV_PLL_VAR_208M_CLK_SELECT 0x00000100 +#define ESW_SYS_DIV_DIV_SELECT 0x4 +#define ESW_SYS_DIV_TRIGGER_MASK 0x00000001 + +#define ESUB_AXI_DIV_DEBUG_ADDR (ESUB_CLK_BASE_ADDR + 0x00000E04) +#define ESUB_AXI_DIV_DEBUG_PLL_SELECT_MASK 0x0000001C +#define ESUB_AXI_DIV_DEBUG_PLL_SELECT_OVERRIDE_MASK 0x00000040 +#define ESUB_AXI_DIV_DEBUG_PLL_VAR_208M_CLK_SELECT 0x0 +#define ESUB_AXI_DIV_DEBUG_TRIGGER_MASK 0x00000001 + +#define PLL_MAX_RETRY 100 + +/* Enable appropriate clocks for Ethernet */ +int clk_eth_enable(void) +{ + int rc = -1; + int retry_count = 0; + rc = clk_get_and_enable("esub_ccu_clk"); + + /* Enable Access to CCU registers */ + writel((1 | WR_ACCESS_PASSWORD), WR_ACCESS_ADDR); + + writel(readl(PLLE_POST_RESETB_ADDR) & + ~PLLE_POST_RESETB_I_POST_RESETB_PLLE_MASK, + PLLE_POST_RESETB_ADDR); + + /* Take PLL out of reset and put into normal mode */ + writel(readl(PLLE_RESETB_ADDR) | PLLE_RESETB_I_PLL_RESETB_PLLE_MASK, + PLLE_RESETB_ADDR); + + /* Wait for PLL lock */ + rc = -1; + while (retry_count < PLL_MAX_RETRY) { + udelay(100); + if (readl(PLL_LOCK_ADDR) & PLL_LOCK_PLL_LOCK_PLLE_MASK) { + rc = 0; + break; + } + retry_count++; + } + + if (rc == -1) { + printf("%s: ETH-PLL lock timeout, Ethernet is not enabled!\n", + __func__); + return -1; + } + + writel(readl(PLLE_POST_RESETB_ADDR) | + PLLE_POST_RESETB_I_POST_RESETB_PLLE_MASK, + PLLE_POST_RESETB_ADDR); + + /* Switch esw_sys_clk to use 104MHz(208MHz/2) clock */ + writel((readl(ESW_SYS_DIV_ADDR) & + ~(ESW_SYS_DIV_PLL_SELECT_MASK | ESW_SYS_DIV_DIV_MASK)) | + ESW_SYS_DIV_PLL_VAR_208M_CLK_SELECT | ESW_SYS_DIV_DIV_SELECT, + ESW_SYS_DIV_ADDR); + + writel(readl(ESW_SYS_DIV_ADDR) | ESW_SYS_DIV_TRIGGER_MASK, + ESW_SYS_DIV_ADDR); + + /* Wait for trigger complete */ + rc = -1; + retry_count = 0; + while (retry_count < PLL_MAX_RETRY) { + udelay(100); + if (!(readl(ESW_SYS_DIV_ADDR) & ESW_SYS_DIV_TRIGGER_MASK)) { + rc = 0; + break; + } + retry_count++; + } + + if (rc == -1) { + printf("%s: SYS CLK Trigger timeout, Ethernet is not enabled!\n", + __func__); + return -1; + } + + /* switch Esub AXI clock to 208MHz */ + writel((readl(ESUB_AXI_DIV_DEBUG_ADDR) & + ~(ESUB_AXI_DIV_DEBUG_PLL_SELECT_MASK | + ESUB_AXI_DIV_DEBUG_PLL_SELECT_OVERRIDE_MASK | + ESUB_AXI_DIV_DEBUG_TRIGGER_MASK)) | + ESUB_AXI_DIV_DEBUG_PLL_VAR_208M_CLK_SELECT | + ESUB_AXI_DIV_DEBUG_PLL_SELECT_OVERRIDE_MASK, + ESUB_AXI_DIV_DEBUG_ADDR); + + writel(readl(ESUB_AXI_DIV_DEBUG_ADDR) | + ESUB_AXI_DIV_DEBUG_TRIGGER_MASK, + ESUB_AXI_DIV_DEBUG_ADDR); + + /* Wait for trigger complete */ + rc = -1; + retry_count = 0; + while (retry_count < PLL_MAX_RETRY) { + udelay(100); + if (!(readl(ESUB_AXI_DIV_DEBUG_ADDR) & + ESUB_AXI_DIV_DEBUG_TRIGGER_MASK)) { + rc = 0; + break; + } + retry_count++; + } + + if (rc == -1) { + printf("%s: AXI CLK Trigger timeout, Ethernet is not enabled!\n", + __func__); + return -1; + } + + /* Disable Access to CCU registers */ + writel(WR_ACCESS_PASSWORD, WR_ACCESS_ADDR); + + return rc; +} diff --git a/arch/arm/cpu/armv7/bcmcygnus/Makefile b/arch/arm/cpu/armv7/bcmcygnus/Makefile new file mode 100644 index 0000000000..04afcf9aef --- /dev/null +++ b/arch/arm/cpu/armv7/bcmcygnus/Makefile @@ -0,0 +1,7 @@ +# +# Copyright 2014 Broadcom Corporation. +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y += reset.o diff --git a/arch/arm/cpu/armv7/bcmcygnus/reset.c b/arch/arm/cpu/armv7/bcmcygnus/reset.c new file mode 100644 index 0000000000..53ecc0ce0d --- /dev/null +++ b/arch/arm/cpu/armv7/bcmcygnus/reset.c @@ -0,0 +1,20 @@ +/* + * Copyright 2014 Broadcom Corporation. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/io.h> + +#define CRMU_MAIL_BOX1 0x03024028 +#define CRMU_SOFT_RESET_CMD 0xFFFFFFFF + +void reset_cpu(ulong ignored) +{ + /* Send soft reset command via Mailbox. */ + writel(CRMU_SOFT_RESET_CMD, CRMU_MAIL_BOX1); + + while (1) + ; /* loop forever till reset */ +} diff --git a/arch/arm/cpu/armv7/bcmnsp/Makefile b/arch/arm/cpu/armv7/bcmnsp/Makefile new file mode 100644 index 0000000000..04afcf9aef --- /dev/null +++ b/arch/arm/cpu/armv7/bcmnsp/Makefile @@ -0,0 +1,7 @@ +# +# Copyright 2014 Broadcom Corporation. +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y += reset.o diff --git a/arch/arm/cpu/armv7/bcmnsp/reset.c b/arch/arm/cpu/armv7/bcmnsp/reset.c new file mode 100644 index 0000000000..d79d9aa344 --- /dev/null +++ b/arch/arm/cpu/armv7/bcmnsp/reset.c @@ -0,0 +1,19 @@ +/* + * Copyright 2014 Broadcom Corporation. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/io.h> + +#define CRU_RESET_OFFSET 0x1803F184 + +void reset_cpu(ulong ignored) +{ + /* Reset the cpu by setting software reset request bit */ + writel(0x1, CRU_RESET_OFFSET); + + while (1) + ; /* loop forever till reset */ +} diff --git a/arch/arm/cpu/armv7/exynos/Kconfig b/arch/arm/cpu/armv7/exynos/Kconfig new file mode 100644 index 0000000000..f1cacdce29 --- /dev/null +++ b/arch/arm/cpu/armv7/exynos/Kconfig @@ -0,0 +1,55 @@ +if ARCH_EXYNOS + +choice + prompt "EXYNOS board select" + +config TARGET_SMDKV310 + bool "Exynos4210 SMDKV310 board" + +config TARGET_TRATS + bool "Exynos4210 Trats board" + +config TARGET_S5PC210_UNIVERSAL + bool "EXYNOS4210 Universal C210 board" + +config TARGET_ORIGEN + bool "Exynos4412 Origen board" + +config TARGET_TRATS2 + bool "Exynos4412 Trat2 board" + +config TARGET_ARNDALE + bool "Exynos5250 Arndale board" + +config TARGET_SMDK5250 + bool "SMDK5250 board" + +config TARGET_SNOW + bool "Snow board" + +config TARGET_SMDK5420 + bool "SMDK5420 board" + +config TARGET_PEACH_PIT + bool "Peach Pi board" + +endchoice + +config SYS_CPU + string + default "armv7" + +config SYS_SOC + string + default "exynos" + +source "board/samsung/smdkv310/Kconfig" +source "board/samsung/trats/Kconfig" +source "board/samsung/universal_c210/Kconfig" +source "board/samsung/origen/Kconfig" +source "board/samsung/trats2/Kconfig" +source "board/samsung/arndale/Kconfig" +source "board/samsung/smdk5250/Kconfig" +source "board/samsung/smdk5420/Kconfig" + +endif diff --git a/arch/arm/cpu/armv7/highbank/Kconfig b/arch/arm/cpu/armv7/highbank/Kconfig new file mode 100644 index 0000000000..9527928f6a --- /dev/null +++ b/arch/arm/cpu/armv7/highbank/Kconfig @@ -0,0 +1,19 @@ +if ARCH_HIGHBANK + +config SYS_CPU + string + default "armv7" + +config SYS_BOARD + string + default "highbank" + +config SYS_SOC + string + default "highbank" + +config SYS_CONFIG_NAME + string + default "highbank" + +endif diff --git a/arch/arm/cpu/armv7/iproc-common/Makefile b/arch/arm/cpu/armv7/iproc-common/Makefile new file mode 100644 index 0000000000..c071a17e1f --- /dev/null +++ b/arch/arm/cpu/armv7/iproc-common/Makefile @@ -0,0 +1,9 @@ +# +# Copyright 2014 Broadcom Corporation. +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y += armpll.o +obj-y += hwinit-common.o +obj-y += timer.o diff --git a/arch/arm/cpu/armv7/iproc-common/armpll.c b/arch/arm/cpu/armv7/iproc-common/armpll.c new file mode 100644 index 0000000000..49b61bf08c --- /dev/null +++ b/arch/arm/cpu/armv7/iproc-common/armpll.c @@ -0,0 +1,170 @@ +/* + * Copyright 2014 Broadcom Corporation. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/iproc-common/armpll.h> +#include <asm/iproc-common/sysmap.h> + +#define NELEMS(x) (sizeof(x) / sizeof(x[0])) + +struct armpll_parameters { + unsigned int mode; + unsigned int ndiv_int; + unsigned int ndiv_frac; + unsigned int pdiv; + unsigned int freqid; +}; + +struct armpll_parameters armpll_clk_tab[] = { + { 25, 64, 1, 1, 0}, + { 100, 64, 1, 1, 2}, + { 400, 64, 1, 1, 6}, + { 448, 71, 713050, 1, 6}, + { 500, 80, 1, 1, 6}, + { 560, 89, 629145, 1, 6}, + { 600, 96, 1, 1, 6}, + { 800, 64, 1, 1, 7}, + { 896, 71, 713050, 1, 7}, + { 1000, 80, 1, 1, 7}, + { 1100, 88, 1, 1, 7}, + { 1120, 89, 629145, 1, 7}, + { 1200, 96, 1, 1, 7}, +}; + +uint32_t armpll_config(uint32_t clkmhz) +{ + uint32_t freqid; + uint32_t ndiv_frac; + uint32_t pll; + uint32_t status = 1; + uint32_t timeout_countdown; + int i; + + for (i = 0; i < NELEMS(armpll_clk_tab); i++) { + if (armpll_clk_tab[i].mode == clkmhz) { + status = 0; + break; + } + } + + if (status) { + printf("Error: Clock configuration not supported\n"); + goto armpll_config_done; + } + + /* Enable write access */ + writel(IPROC_REG_WRITE_ACCESS, IHOST_PROC_CLK_WR_ACCESS); + + if (clkmhz == 25) + freqid = 0; + else + freqid = 2; + + /* Bypass ARM clock and run on sysclk */ + writel(1 << IHOST_PROC_CLK_POLICY_FREQ__PRIV_ACCESS_MODE | + freqid << IHOST_PROC_CLK_POLICY_FREQ__POLICY3_FREQ_R | + freqid << IHOST_PROC_CLK_POLICY_FREQ__POLICY2_FREQ_R | + freqid << IHOST_PROC_CLK_POLICY_FREQ__POLICY1_FREQ_R | + freqid << IHOST_PROC_CLK_POLICY_FREQ__POLICY0_FREQ_R, + IHOST_PROC_CLK_POLICY_FREQ); + + writel(1 << IHOST_PROC_CLK_POLICY_CTL__GO | + 1 << IHOST_PROC_CLK_POLICY_CTL__GO_AC, + IHOST_PROC_CLK_POLICY_CTL); + + /* Poll CCU until operation complete */ + timeout_countdown = 0x100000; + while (readl(IHOST_PROC_CLK_POLICY_CTL) & + (1 << IHOST_PROC_CLK_POLICY_CTL__GO)) { + timeout_countdown--; + if (timeout_countdown == 0) { + printf("CCU polling timedout\n"); + status = 1; + goto armpll_config_done; + } + } + + if (clkmhz == 25 || clkmhz == 100) { + status = 0; + goto armpll_config_done; + } + + /* Now it is safe to program the PLL */ + pll = readl(IHOST_PROC_CLK_PLLARMB); + pll &= ~((1 << IHOST_PROC_CLK_PLLARMB__PLLARM_NDIV_FRAC_WIDTH) - 1); + ndiv_frac = + ((1 << IHOST_PROC_CLK_PLLARMB__PLLARM_NDIV_FRAC_WIDTH) - 1) & + (armpll_clk_tab[i].ndiv_frac << + IHOST_PROC_CLK_PLLARMB__PLLARM_NDIV_FRAC_R); + pll |= ndiv_frac; + writel(pll, IHOST_PROC_CLK_PLLARMB); + + writel(1 << IHOST_PROC_CLK_PLLARMA__PLLARM_LOCK | + armpll_clk_tab[i].ndiv_int << + IHOST_PROC_CLK_PLLARMA__PLLARM_NDIV_INT_R | + armpll_clk_tab[i].pdiv << + IHOST_PROC_CLK_PLLARMA__PLLARM_PDIV_R | + 1 << IHOST_PROC_CLK_PLLARMA__PLLARM_SOFT_RESETB, + IHOST_PROC_CLK_PLLARMA); + + /* Poll ARM PLL Lock until operation complete */ + timeout_countdown = 0x100000; + while (readl(IHOST_PROC_CLK_PLLARMA) & + (1 << IHOST_PROC_CLK_PLLARMA__PLLARM_LOCK)) { + timeout_countdown--; + if (timeout_countdown == 0) { + printf("ARM PLL lock failed\n"); + status = 1; + goto armpll_config_done; + } + } + + pll = readl(IHOST_PROC_CLK_PLLARMA); + pll |= (1 << IHOST_PROC_CLK_PLLARMA__PLLARM_SOFT_POST_RESETB); + writel(pll, IHOST_PROC_CLK_PLLARMA); + + /* Set the policy */ + writel(1 << IHOST_PROC_CLK_POLICY_FREQ__PRIV_ACCESS_MODE | + armpll_clk_tab[i].freqid << + IHOST_PROC_CLK_POLICY_FREQ__POLICY3_FREQ_R | + armpll_clk_tab[i].freqid << + IHOST_PROC_CLK_POLICY_FREQ__POLICY2_FREQ_R | + armpll_clk_tab[i].freqid << + IHOST_PROC_CLK_POLICY_FREQ__POLICY1_FREQ_R | + armpll_clk_tab[i+4].freqid << + IHOST_PROC_CLK_POLICY_FREQ__POLICY0_FREQ_R, + IHOST_PROC_CLK_POLICY_FREQ); + + writel(IPROC_CLKCT_HDELAY_SW_EN, IHOST_PROC_CLK_CORE0_CLKGATE); + writel(IPROC_CLKCT_HDELAY_SW_EN, IHOST_PROC_CLK_CORE1_CLKGATE); + writel(IPROC_CLKCT_HDELAY_SW_EN, IHOST_PROC_CLK_ARM_SWITCH_CLKGATE); + writel(IPROC_CLKCT_HDELAY_SW_EN, IHOST_PROC_CLK_ARM_PERIPH_CLKGATE); + writel(IPROC_CLKCT_HDELAY_SW_EN, IHOST_PROC_CLK_APB0_CLKGATE); + + writel(1 << IHOST_PROC_CLK_POLICY_CTL__GO | + 1 << IHOST_PROC_CLK_POLICY_CTL__GO_AC, + IHOST_PROC_CLK_POLICY_CTL); + + /* Poll CCU until operation complete */ + timeout_countdown = 0x100000; + while (readl(IHOST_PROC_CLK_POLICY_CTL) & + (1 << IHOST_PROC_CLK_POLICY_CTL__GO)) { + timeout_countdown--; + if (timeout_countdown == 0) { + printf("CCU polling failed\n"); + status = 1; + goto armpll_config_done; + } + } + + status = 0; +armpll_config_done: + /* Disable access to PLL registers */ + writel(0, IHOST_PROC_CLK_WR_ACCESS); + + return status; +} diff --git a/arch/arm/cpu/armv7/iproc-common/hwinit-common.c b/arch/arm/cpu/armv7/iproc-common/hwinit-common.c new file mode 100644 index 0000000000..7131524215 --- /dev/null +++ b/arch/arm/cpu/armv7/iproc-common/hwinit-common.c @@ -0,0 +1,15 @@ +/* + * Copyright 2014 Broadcom Corporation. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> + +#ifndef CONFIG_SYS_DCACHE_OFF +void enable_caches(void) +{ + /* Enable D-cache. I-cache is already enabled in start.S */ + dcache_enable(); +} +#endif diff --git a/arch/arm/cpu/armv7/iproc-common/timer.c b/arch/arm/cpu/armv7/iproc-common/timer.c new file mode 100644 index 0000000000..373d8ec251 --- /dev/null +++ b/arch/arm/cpu/armv7/iproc-common/timer.c @@ -0,0 +1,130 @@ +/* + * Copyright 2014 Broadcom Corporation. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <div64.h> +#include <asm/io.h> +#include <asm/iproc-common/timer.h> +#include <asm/iproc-common/sysmap.h> + +static inline uint64_t timer_global_read(void) +{ + uint64_t cur_tick; + uint32_t count_h; + uint32_t count_l; + + do { + count_h = readl(IPROC_PERIPH_GLB_TIM_REG_BASE + + TIMER_GLB_HI_OFFSET); + count_l = readl(IPROC_PERIPH_GLB_TIM_REG_BASE + + TIMER_GLB_LOW_OFFSET); + cur_tick = readl(IPROC_PERIPH_GLB_TIM_REG_BASE + + TIMER_GLB_HI_OFFSET); + } while (cur_tick != count_h); + + return (cur_tick << 32) + count_l; +} + +void timer_global_init(void) +{ + writel(0, IPROC_PERIPH_GLB_TIM_REG_BASE + TIMER_GLB_CTRL_OFFSET); + writel(0, IPROC_PERIPH_GLB_TIM_REG_BASE + TIMER_GLB_LOW_OFFSET); + writel(0, IPROC_PERIPH_GLB_TIM_REG_BASE + TIMER_GLB_HI_OFFSET); + writel(TIMER_GLB_TIM_CTRL_TIM_EN, + IPROC_PERIPH_GLB_TIM_REG_BASE + TIMER_GLB_CTRL_OFFSET); +} + +int timer_init(void) +{ + timer_global_init(); + return 0; +} + +unsigned long get_timer(unsigned long base) +{ + uint64_t count; + uint64_t ret; + uint64_t tim_clk; + uint64_t periph_clk; + + count = timer_global_read(); + + /* default arm clk is 1GHz, periph_clk=arm_clk/2, tick per msec */ + periph_clk = 500000; + tim_clk = lldiv(periph_clk, + (((readl(IPROC_PERIPH_GLB_TIM_REG_BASE + + TIMER_GLB_CTRL_OFFSET) & + TIMER_GLB_TIM_CTRL_PRESC_MASK) >> 8) + 1)); + + ret = lldiv(count, (uint32_t)tim_clk); + + /* returns msec */ + return ret - base; +} + +void __udelay(unsigned long usec) +{ + uint64_t cur_tick, end_tick; + uint64_t tim_clk; + uint64_t periph_clk; + + /* default arm clk is 1GHz, periph_clk=arm_clk/2, tick per usec */ + periph_clk = 500; + + tim_clk = lldiv(periph_clk, + (((readl(IPROC_PERIPH_GLB_TIM_REG_BASE + + TIMER_GLB_CTRL_OFFSET) & + TIMER_GLB_TIM_CTRL_PRESC_MASK) >> 8) + 1)); + + cur_tick = timer_global_read(); + + end_tick = tim_clk; + end_tick *= usec; + end_tick += cur_tick; + + do { + cur_tick = timer_global_read(); + + } while (cur_tick < end_tick); +} + +void timer_systick_init(uint32_t tick_ms) +{ + /* Disable timer and clear interrupt status*/ + writel(0, IPROC_PERIPH_PVT_TIM_REG_BASE + TIMER_PVT_CTRL_OFFSET); + writel(TIMER_PVT_TIM_INT_STATUS_SET, + IPROC_PERIPH_PVT_TIM_REG_BASE + TIMER_PVT_STATUS_OFFSET); + writel((PLL_AXI_CLK/1000) * tick_ms, + IPROC_PERIPH_PVT_TIM_REG_BASE + TIMER_PVT_LOAD_OFFSET); + writel(TIMER_PVT_TIM_CTRL_INT_EN | + TIMER_PVT_TIM_CTRL_AUTO_RELD | + TIMER_PVT_TIM_CTRL_TIM_EN, + IPROC_PERIPH_PVT_TIM_REG_BASE + TIMER_PVT_CTRL_OFFSET); +} + +void timer_systick_isr(void *data) +{ + writel(TIMER_PVT_TIM_INT_STATUS_SET, + IPROC_PERIPH_PVT_TIM_REG_BASE + TIMER_PVT_STATUS_OFFSET); +} + +/* + * This function is derived from PowerPC code (read timebase as long long). + * On ARM it just returns the timer value in msec. + */ +unsigned long long get_ticks(void) +{ + return get_timer(0); +} + +/* + * This is used in conjuction with get_ticks, which returns msec as ticks. + * Here we just return ticks/sec = msec/sec = 1000 + */ +ulong get_tbclk(void) +{ + return 1000; +} diff --git a/arch/arm/cpu/armv7/keystone/Kconfig b/arch/arm/cpu/armv7/keystone/Kconfig new file mode 100644 index 0000000000..24d0cbe820 --- /dev/null +++ b/arch/arm/cpu/armv7/keystone/Kconfig @@ -0,0 +1,24 @@ +if ARCH_KEYSTONE + +choice + prompt "TI Keystone board select" + +config TARGET_K2HK_EVM + bool "TI Keystone 2 Kepler/Hawking EVM" + +config TARGET_K2E_EVM + bool "TI Keystone 2 Edison EVM" + +endchoice + +config SYS_CPU + string + default "armv7" + +config SYS_SOC + string + default "keystone" + +source "board/ti/ks2_evm/Kconfig" + +endif diff --git a/arch/arm/cpu/armv7/keystone/clock-k2e.c b/arch/arm/cpu/armv7/keystone/clock-k2e.c index 42092e1060..31f66613ef 100644 --- a/arch/arm/cpu/armv7/keystone/clock-k2e.c +++ b/arch/arm/cpu/armv7/keystone/clock-k2e.c @@ -17,6 +17,22 @@ const struct keystone_pll_regs keystone_pll_regs[] = { [DDR3_PLL] = {KS2_DDR3APLLCTL0, KS2_DDR3APLLCTL1}, }; +int dev_speeds[] = { + SPD800, + SPD850, + SPD1000, + SPD1250, + SPD1350, + SPD1400, + SPD1500, + SPD1400, + SPD1350, + SPD1250, + SPD1000, + SPD850, + SPD800 +}; + /** * pll_freq_get - get pll frequency * Fout = Fref * NF(mult) / NR(prediv) / OD diff --git a/arch/arm/cpu/armv7/keystone/clock-k2hk.c b/arch/arm/cpu/armv7/keystone/clock-k2hk.c index 96a9f72886..1591960795 100644 --- a/arch/arm/cpu/armv7/keystone/clock-k2hk.c +++ b/arch/arm/cpu/armv7/keystone/clock-k2hk.c @@ -19,6 +19,38 @@ const struct keystone_pll_regs keystone_pll_regs[] = { [DDR3B_PLL] = {KS2_DDR3BPLLCTL0, KS2_DDR3BPLLCTL1}, }; +int dev_speeds[] = { + SPD800, + SPD1000, + SPD1200, + SPD800, + SPD800, + SPD800, + SPD800, + SPD800, + SPD1200, + SPD1000, + SPD800, + SPD800, + SPD800, +}; + +int arm_speeds[] = { + SPD800, + SPD1000, + SPD1200, + SPD1350, + SPD1400, + SPD800, + SPD1400, + SPD1350, + SPD1200, + SPD1000, + SPD800, + SPD800, + SPD800, +}; + /** * pll_freq_get - get pll frequency * Fout = Fref * NF(mult) / NR(prediv) / OD diff --git a/arch/arm/cpu/armv7/keystone/clock.c b/arch/arm/cpu/armv7/keystone/clock.c index 03c1d9f660..30d76a6603 100644 --- a/arch/arm/cpu/armv7/keystone/clock.c +++ b/arch/arm/cpu/armv7/keystone/clock.c @@ -11,6 +11,8 @@ #include <asm/arch/clock.h> #include <asm/arch/clock_defs.h> +#define MAX_SPEEDS 13 + static void wait_for_completion(const struct pll_init_data *data) { int i; @@ -218,3 +220,44 @@ void init_plls(int num_pll, struct pll_init_data *config) for (i = 0; i < num_pll; i++) init_pll(&config[i]); } + +static int get_max_speed(u32 val, int *speeds) +{ + int j; + + if (!val) + return speeds[0]; + + for (j = 1; j < MAX_SPEEDS; j++) { + if (val == 1) + return speeds[j]; + val >>= 1; + } + + return SPD800; +} + +#ifdef CONFIG_SOC_K2HK +static u32 read_efuse_bootrom(void) +{ + return (cpu_revision() > 1) ? __raw_readl(KS2_EFUSE_BOOTROM) : + __raw_readl(KS2_REV1_DEVSPEED); +} +#else +static inline u32 read_efuse_bootrom(void) +{ + return __raw_readl(KS2_EFUSE_BOOTROM); +} +#endif + +inline int get_max_dev_speed(void) +{ + return get_max_speed(read_efuse_bootrom() & 0xffff, dev_speeds); +} + +#ifndef CONFIG_SOC_K2E +inline int get_max_arm_speed(void) +{ + return get_max_speed((read_efuse_bootrom() >> 16) & 0xffff, arm_speeds); +} +#endif diff --git a/arch/arm/cpu/armv7/mx6/Makefile b/arch/arm/cpu/armv7/mx6/Makefile index 6dc9f8ec21..bf6effc939 100644 --- a/arch/arm/cpu/armv7/mx6/Makefile +++ b/arch/arm/cpu/armv7/mx6/Makefile @@ -10,3 +10,4 @@ obj-y := soc.o clock.o obj-$(CONFIG_SPL_BUILD) += ddr.o obj-$(CONFIG_SECURE_BOOT) += hab.o +obj-$(CONFIG_MP) += mp.o diff --git a/arch/arm/cpu/armv7/mx6/clock.c b/arch/arm/cpu/armv7/mx6/clock.c index 7dd83ec9e1..820b8d5154 100644 --- a/arch/arm/cpu/armv7/mx6/clock.c +++ b/arch/arm/cpu/armv7/mx6/clock.c @@ -71,6 +71,24 @@ int enable_i2c_clk(unsigned char enable, unsigned i2c_num) } #endif +/* spi_num can be from 0 - SPI_MAX_NUM */ +int enable_spi_clk(unsigned char enable, unsigned spi_num) +{ + u32 reg; + u32 mask; + + if (spi_num > SPI_MAX_NUM) + return -EINVAL; + + mask = MXC_CCM_CCGR_CG_MASK << (spi_num << 1); + reg = __raw_readl(&imx_ccm->CCGR1); + if (enable) + reg |= mask; + else + reg &= ~mask; + __raw_writel(reg, &imx_ccm->CCGR1); + return 0; +} static u32 decode_pll(enum pll_clocks pll, u32 infreq) { u32 div; @@ -214,7 +232,7 @@ static u32 get_uart_clk(void) u32 reg, uart_podf; u32 freq = decode_pll(PLL_USBOTG, MXC_HCLK) / 6; /* static divider */ reg = __raw_readl(&imx_ccm->cscdr1); -#ifdef CONFIG_MX6SL +#if (defined(CONFIG_MX6SL) || defined(CONFIG_MX6SX)) if (reg & MXC_CCM_CSCDR1_UART_CLK_SEL) freq = MXC_HCLK; #endif @@ -282,7 +300,7 @@ static u32 get_emi_slow_clk(void) return root_freq / (emi_slow_podf + 1); } -#ifdef CONFIG_MX6SL +#if (defined(CONFIG_MX6SL) || defined(CONFIG_MX6SX)) static u32 get_mmdc_ch0_clk(void) { u32 cbcmr = __raw_readl(&imx_ccm->cbcmr); @@ -355,6 +373,27 @@ int enable_fec_anatop_clock(enum enet_freq freq) reg &= ~BM_ANADIG_PLL_ENET_BYPASS; writel(reg, &anatop->pll_enet); +#ifdef CONFIG_MX6SX + /* + * Set enet ahb clock to 200MHz + * pll2_pfd2_396m-> ENET_PODF-> ENET_AHB + */ + reg = readl(&imx_ccm->chsccdr); + reg &= ~(MXC_CCM_CHSCCDR_ENET_PRE_CLK_SEL_MASK + | MXC_CCM_CHSCCDR_ENET_PODF_MASK + | MXC_CCM_CHSCCDR_ENET_CLK_SEL_MASK); + /* PLL2 PFD2 */ + reg |= (4 << MXC_CCM_CHSCCDR_ENET_PRE_CLK_SEL_OFFSET); + /* Div = 2*/ + reg |= (1 << MXC_CCM_CHSCCDR_ENET_PODF_OFFSET); + reg |= (0 << MXC_CCM_CHSCCDR_ENET_CLK_SEL_OFFSET); + writel(reg, &imx_ccm->chsccdr); + + /* Enable enet system clock */ + reg = readl(&imx_ccm->CCGR3); + reg |= MXC_CCM_CCGR3_ENET_MASK; + writel(reg, &imx_ccm->CCGR3); +#endif return 0; } #endif @@ -437,6 +476,7 @@ static int enable_enet_pll(uint32_t en) return 0; } +#ifndef CONFIG_MX6SX static void ungate_sata_clock(void) { struct mxc_ccm_reg *const imx_ccm = @@ -445,6 +485,7 @@ static void ungate_sata_clock(void) /* Enable SATA clock. */ setbits_le32(&imx_ccm->CCGR5, MXC_CCM_CCGR5_SATA_MASK); } +#endif static void ungate_pcie_clock(void) { @@ -455,11 +496,13 @@ static void ungate_pcie_clock(void) setbits_le32(&imx_ccm->CCGR4, MXC_CCM_CCGR4_PCIE_MASK); } +#ifndef CONFIG_MX6SX int enable_sata_clock(void) { ungate_sata_clock(); return enable_enet_pll(BM_ANADIG_PLL_ENET_ENABLE_SATA); } +#endif int enable_pcie_clock(void) { @@ -491,7 +534,9 @@ int enable_pcie_clock(void) clrbits_le32(&ccm_regs->cbcmr, MXC_CCM_CBCMR_PCIE_AXI_CLK_SEL); /* Party time! Ungate the clock to the PCIe. */ +#ifndef CONFIG_MX6SX ungate_sata_clock(); +#endif ungate_pcie_clock(); return enable_enet_pll(BM_ANADIG_PLL_ENET_ENABLE_SATA | @@ -573,6 +618,7 @@ int do_mx6_showclocks(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) return 0; } +#ifndef CONFIG_MX6SX void enable_ipu_clock(void) { struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; @@ -581,6 +627,7 @@ void enable_ipu_clock(void) reg |= MXC_CCM_CCGR3_IPU1_IPU_MASK; writel(reg, &mxc_ccm->CCGR3); } +#endif /***************************************************/ U_BOOT_CMD( diff --git a/arch/arm/cpu/armv7/mx6/ddr.c b/arch/arm/cpu/armv7/mx6/ddr.c index 0434211110..1ab69f63c8 100644 --- a/arch/arm/cpu/armv7/mx6/ddr.c +++ b/arch/arm/cpu/armv7/mx6/ddr.c @@ -197,6 +197,7 @@ void mx6_dram_cfg(const struct mx6_ddr_sysinfo *i, u16 trcd, trc, tras, twr, tmrd, trtp, trp, twtr, trfc, txs, txpr; u16 CS0_END; u16 tdllk = 0x1ff; /* DLL locking time: 512 cycles (JEDEC DDR3) */ + u8 coladdr; int clkper; /* clock period in picoseconds */ int clock; /* clock freq in mHz */ int cs; @@ -422,8 +423,13 @@ void mx6_dram_cfg(const struct mx6_ddr_sysinfo *i, mmdc0->mdor = reg; /* Step 5: Configure DDR physical parameters (density and burst len) */ + coladdr = m->coladdr; + if (m->coladdr == 8) /* 8-bit COL is 0x3 */ + coladdr += 4; + else if (m->coladdr == 12) /* 12-bit COL is 0x4 */ + coladdr += 1; reg = (m->rowaddr - 11) << 24 | /* ROW */ - (m->coladdr - 9) << 20 | /* COL */ + (coladdr - 9) << 20 | /* COL */ (1 << 19) | /* Burst Length = 8 for DDR3 */ (i->dsize << 16); /* DDR data bus size */ mmdc0->mdctl = reg; diff --git a/arch/arm/cpu/armv7/mx6/mp.c b/arch/arm/cpu/armv7/mx6/mp.c new file mode 100644 index 0000000000..9f034d6e13 --- /dev/null +++ b/arch/arm/cpu/armv7/mx6/mp.c @@ -0,0 +1,87 @@ +/* + * (C) Copyright 2014 + * Gabriel Huau <contact@huau-gabriel.fr> + * + * (C) Copyright 2009 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/errno.h> +#include <asm/arch/sys_proto.h> +#include <asm/arch/imx-regs.h> + +#define MAX_CPUS 4 +static struct src *src = (struct src *)SRC_BASE_ADDR; + +static uint32_t cpu_reset_mask[MAX_CPUS] = { + 0, /* We don't really want to modify the cpu0 */ + SRC_SCR_CORE_1_RESET_MASK, + SRC_SCR_CORE_2_RESET_MASK, + SRC_SCR_CORE_3_RESET_MASK +}; + +static uint32_t cpu_ctrl_mask[MAX_CPUS] = { + 0, /* We don't really want to modify the cpu0 */ + SRC_SCR_CORE_1_ENABLE_MASK, + SRC_SCR_CORE_2_ENABLE_MASK, + SRC_SCR_CORE_3_ENABLE_MASK +}; + +int cpu_reset(int nr) +{ + /* Software reset of the CPU N */ + src->scr |= cpu_reset_mask[nr]; + return 0; +} + +int cpu_status(int nr) +{ + printf("core %d => %d\n", nr, !!(src->scr & cpu_ctrl_mask[nr])); + return 0; +} + +int cpu_release(int nr, int argc, char *const argv[]) +{ + uint32_t boot_addr; + + boot_addr = simple_strtoul(argv[0], NULL, 16); + + switch (nr) { + case 1: + src->gpr3 = boot_addr; + break; + case 2: + src->gpr5 = boot_addr; + break; + case 3: + src->gpr7 = boot_addr; + break; + default: + return 1; + } + + /* CPU N is ready to start */ + src->scr |= cpu_ctrl_mask[nr]; + + return 0; +} + +int is_core_valid(unsigned int core) +{ + uint32_t nr_cores = get_nr_cpus(); + + if (core > nr_cores) + return 0; + + return 1; +} + +int cpu_disable(int nr) +{ + /* Disable the CPU N */ + src->scr &= ~cpu_ctrl_mask[nr]; + return 0; +} diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c index f20bdebf3f..ac84a1fbfb 100644 --- a/arch/arm/cpu/armv7/mx6/soc.c +++ b/arch/arm/cpu/armv7/mx6/soc.c @@ -35,6 +35,12 @@ struct scu_regs { u32 fpga_rev; }; +u32 get_nr_cpus(void) +{ + struct scu_regs *scu = (struct scu_regs *)SCU_BASE_ADDR; + return readl(&scu->config) & 3; +} + u32 get_cpu_rev(void) { struct anatop_regs *anatop = (struct anatop_regs *)ANATOP_BASE_ADDR; @@ -79,9 +85,15 @@ u32 __weak get_board_rev(void) void init_aips(void) { struct aipstz_regs *aips1, *aips2; +#ifdef CONFIG_MX6SX + struct aipstz_regs *aips3; +#endif aips1 = (struct aipstz_regs *)AIPS1_BASE_ADDR; aips2 = (struct aipstz_regs *)AIPS2_BASE_ADDR; +#ifdef CONFIG_MX6SX + aips3 = (struct aipstz_regs *)AIPS3_BASE_ADDR; +#endif /* * Set all MPROTx to be non-bufferable, trusted for R/W, @@ -107,6 +119,26 @@ void init_aips(void) writel(0x00000000, &aips2->opacr2); writel(0x00000000, &aips2->opacr3); writel(0x00000000, &aips2->opacr4); + +#ifdef CONFIG_MX6SX + /* + * Set all MPROTx to be non-bufferable, trusted for R/W, + * not forced to user-mode. + */ + writel(0x77777777, &aips3->mprot0); + writel(0x77777777, &aips3->mprot1); + + /* + * Set all OPACRx to be non-bufferable, not require + * supervisor privilege level for access,allow for + * write access and untrusted master access. + */ + writel(0x00000000, &aips3->opacr0); + writel(0x00000000, &aips3->opacr1); + writel(0x00000000, &aips3->opacr2); + writel(0x00000000, &aips3->opacr3); + writel(0x00000000, &aips3->opacr4); +#endif } static void clear_ldo_ramp(void) @@ -311,6 +343,10 @@ void s_init(void) u32 mask480; u32 mask528; + + if (is_cpu_type(MXC_CPU_MX6SX)) + return; + /* Due to hardware limitation, on MX6Q we need to gate/ungate all PFDs * to make sure PFD is working right, otherwise, PFDs may * not output clock after reset, MX6DL and MX6SL have added 396M pfd diff --git a/arch/arm/cpu/armv7/omap-common/emif-common.c b/arch/arm/cpu/armv7/omap-common/emif-common.c index 71c0cc8f2e..c8e9bc86e5 100644 --- a/arch/arm/cpu/armv7/omap-common/emif-common.c +++ b/arch/arm/cpu/armv7/omap-common/emif-common.c @@ -242,46 +242,10 @@ static void omap5_ddr3_leveling(u32 base, const struct emif_regs *regs) __udelay(130); } -static void dra7_ddr3_leveling(u32 base, const struct emif_regs *regs) -{ - struct emif_reg_struct *emif = (struct emif_reg_struct *)base; - - u32 fifo_reg; - - fifo_reg = readl(&emif->emif_ddr_fifo_misaligned_clear_1); - writel(fifo_reg | 0x00000100, - &emif->emif_ddr_fifo_misaligned_clear_1); - - fifo_reg = readl(&emif->emif_ddr_fifo_misaligned_clear_2); - writel(fifo_reg | 0x00000100, - &emif->emif_ddr_fifo_misaligned_clear_2); - - /* Launch Full leveling */ - writel(DDR3_FULL_LVL, &emif->emif_rd_wr_lvl_ctl); - - /* Wait till full leveling is complete */ - readl(&emif->emif_rd_wr_lvl_ctl); - __udelay(130); - - /* Read data eye leveling no of samples */ - config_data_eye_leveling_samples(base); - - /* - * Disable leveling. This is because if leveling is kept - * enabled, then PHY triggers a false leveling during - * EMIF-idle scenario which results in wrong delay - * values getting updated. After this the EMIF becomes - * unaccessible. So disable it after the first time - */ - writel(0x0, &emif->emif_rd_wr_lvl_rmp_ctl); -} - static void ddr3_leveling(u32 base, const struct emif_regs *regs) { if (is_omap54xx()) omap5_ddr3_leveling(base, regs); - else - dra7_ddr3_leveling(base, regs); } static void ddr3_init(u32 base, const struct emif_regs *regs) @@ -1383,7 +1347,7 @@ void sdram_init(void) } if (sdram_type == EMIF_SDRAM_TYPE_DDR3 && - (!in_sdram && !warm_reset())) { + (!in_sdram && !warm_reset()) && (!is_dra7xx())) { if (emif1_enabled) do_bug0039_workaround(EMIF1_BASE); if (emif2_enabled) diff --git a/arch/arm/cpu/armv7/omap-common/hwinit-common.c b/arch/arm/cpu/armv7/omap-common/hwinit-common.c index 1b4477f469..dd52e938a9 100644 --- a/arch/arm/cpu/armv7/omap-common/hwinit-common.c +++ b/arch/arm/cpu/armv7/omap-common/hwinit-common.c @@ -140,6 +140,9 @@ void s_init(void) #endif prcm_init(); #ifdef CONFIG_SPL_BUILD +#ifdef CONFIG_BOARD_EARLY_INIT_F + board_early_init_f(); +#endif /* For regular u-boot sdram_init() is called from dram_init() */ sdram_init(); #endif diff --git a/arch/arm/cpu/armv7/omap-common/u-boot-spl.lds b/arch/arm/cpu/armv7/omap-common/u-boot-spl.lds index 745603d0fe..ccd0c8352e 100644 --- a/arch/arm/cpu/armv7/omap-common/u-boot-spl.lds +++ b/arch/arm/cpu/armv7/omap-common/u-boot-spl.lds @@ -22,6 +22,7 @@ SECTIONS .text : { __start = .; + *(.vectors) arch/arm/cpu/armv7/start.o (.text*) *(.text*) } >.sram diff --git a/arch/arm/cpu/armv7/omap3/Kconfig b/arch/arm/cpu/armv7/omap3/Kconfig new file mode 100644 index 0000000000..6578f0cf5a --- /dev/null +++ b/arch/arm/cpu/armv7/omap3/Kconfig @@ -0,0 +1,107 @@ +if OMAP34XX + +choice + prompt "OMAP3 board select" + +config TARGET_AM3517_EVM + bool "AM3517 EVM" + +config TARGET_MT_VENTOUX + bool "TeeJet Mt.Ventoux" + +config TARGET_OMAP3_SDP3430 + bool "TI OMAP3430 SDP" + +config TARGET_OMAP3_BEAGLE + bool "TI OMAP3 BeagleBoard" + +config TARGET_CM_T35 + bool "CompuLab CM-T35" + +config TARGET_DEVKIT8000 + bool "TimLL OMAP3 Devkit8000" + +config TARGET_OMAP3_EVM + bool "TI OMAP3 EVM" + +config TARGET_OMAP3_EVM_QUICK_MMC + bool "TI OMAP3 EVM Quick MMC" + +config TARGET_OMAP3_EVM_QUICK_NAND + bool "TI OMAP3 EVM Quick NAND" + +config TARGET_OMAP3_IGEP00X0 + bool "IGEP" + +config TARGET_OMAP3_OVERO + bool "OMAP35xx Gumstix Overo" + +config TARGET_OMAP3_ZOOM1 + bool "TI Zoom1" + +config TARGET_AM3517_CRANE + bool "am3517_crane" + +config TARGET_OMAP3_PANDORA + bool "OMAP3 Pandora" + +config TARGET_ECO5PK + bool "ECO5PK" + +config TARGET_DIG297 + bool "DIG297" + +config TARGET_TRICORDER + bool "Tricorder" + +config TARGET_MCX + bool "MCX" + +config TARGET_OMAP3_LOGIC + bool "OMAP3 Logic" + +config TARGET_OMAP3_MVBLX + bool "OMAP3 MVBLX" + +config TARGET_NOKIA_RX51 + bool "Nokia RX51" + +config TARGET_TAO3530 + bool "TAO3530" + +config TARGET_TWISTER + bool "Twister" + +endchoice + +config SYS_CPU + string + default "armv7" + +config SYS_SOC + string + default "omap3" + +source "board/logicpd/am3517evm/Kconfig" +source "board/teejet/mt_ventoux/Kconfig" +source "board/ti/sdp3430/Kconfig" +source "board/ti/beagle/Kconfig" +source "board/compulab/cm_t35/Kconfig" +source "board/timll/devkit8000/Kconfig" +source "board/ti/evm/Kconfig" +source "board/isee/igep00x0/Kconfig" +source "board/overo/Kconfig" +source "board/logicpd/zoom1/Kconfig" +source "board/ti/am3517crane/Kconfig" +source "board/pandora/Kconfig" +source "board/8dtech/eco5pk/Kconfig" +source "board/comelit/dig297/Kconfig" +source "board/corscience/tricorder/Kconfig" +source "board/htkw/mcx/Kconfig" +source "board/logicpd/omap3som/Kconfig" +source "board/matrix_vision/mvblx/Kconfig" +source "board/nokia/rx51/Kconfig" +source "board/technexion/tao3530/Kconfig" +source "board/technexion/twister/Kconfig" + +endif diff --git a/arch/arm/cpu/armv7/omap4/Kconfig b/arch/arm/cpu/armv7/omap4/Kconfig new file mode 100644 index 0000000000..20d2c1141a --- /dev/null +++ b/arch/arm/cpu/armv7/omap4/Kconfig @@ -0,0 +1,29 @@ +if OMAP44XX + +choice + prompt "OMAP4 board select" + +config TARGET_DUOVERO + bool "OMAP4430 Gumstix Duovero" + +config TARGET_OMAP4_PANDA + bool "TI OMAP4 PandaBoard" + +config TARGET_OMAP4_SDP4430 + bool "TI OMAP4 SDP4430" + +endchoice + +config SYS_CPU + string + default "armv7" + +config SYS_SOC + string + default "omap4" + +source "board/gumstix/duovero/Kconfig" +source "board/ti/panda/Kconfig" +source "board/ti/sdp4430/Kconfig" + +endif diff --git a/arch/arm/cpu/armv7/omap5/Kconfig b/arch/arm/cpu/armv7/omap5/Kconfig new file mode 100644 index 0000000000..be803939bc --- /dev/null +++ b/arch/arm/cpu/armv7/omap5/Kconfig @@ -0,0 +1,29 @@ +if OMAP54XX + +choice + prompt "OMAP5 board select" + +config TARGET_CM_T54 + bool "CompuLab CM-T54" + +config TARGET_OMAP5_UEVM + bool "TI OMAP5 uEVM board" + +config TARGET_DRA7XX_EVM + bool "TI DRA7XX" + +endchoice + +config SYS_CPU + string + default "armv7" + +config SYS_SOC + string + default "omap5" + +source "board/compulab/cm_t54/Kconfig" +source "board/ti/omap5_uevm/Kconfig" +source "board/ti/dra7xx/Kconfig" + +endif diff --git a/arch/arm/cpu/armv7/omap5/hw_data.c b/arch/arm/cpu/armv7/omap5/hw_data.c index 4baca11d7a..ed89f85458 100644 --- a/arch/arm/cpu/armv7/omap5/hw_data.c +++ b/arch/arm/cpu/armv7/omap5/hw_data.c @@ -556,7 +556,7 @@ const struct ctrl_ioregs ioregs_dra7xx_es1 = { .ctrl_ddrio_1 = 0x84210840, .ctrl_ddrio_2 = 0x84210000, .ctrl_emif_sdram_config_ext = 0x0001C1A7, - .ctrl_emif_sdram_config_ext_final = 0x000101A7, + .ctrl_emif_sdram_config_ext_final = 0x0001C1A7, .ctrl_ddr_ctrl_ext_0 = 0xA2000000, }; diff --git a/arch/arm/cpu/armv7/omap5/sdram.c b/arch/arm/cpu/armv7/omap5/sdram.c index e2ebab8262..9105121ff6 100644 --- a/arch/arm/cpu/armv7/omap5/sdram.c +++ b/arch/arm/cpu/armv7/omap5/sdram.c @@ -145,18 +145,18 @@ const struct emif_regs emif_1_regs_ddr3_532_mhz_1cs_dra_es1 = { .sdram_tim1 = 0xCCCF36B3, .sdram_tim2 = 0x308F7FDA, .sdram_tim3 = 0x027F88A8, - .read_idle_ctrl = 0x00050000, + .read_idle_ctrl = 0x00050001, .zq_config = 0x0007190B, .temp_alert_config = 0x00000000, - .emif_ddr_phy_ctlr_1_init = 0x0024400A, - .emif_ddr_phy_ctlr_1 = 0x0024400A, + .emif_ddr_phy_ctlr_1_init = 0x0E24400A, + .emif_ddr_phy_ctlr_1 = 0x0E24400A, .emif_ddr_ext_phy_ctrl_1 = 0x10040100, - .emif_ddr_ext_phy_ctrl_2 = 0x00B000B0, - .emif_ddr_ext_phy_ctrl_3 = 0x00B000B0, - .emif_ddr_ext_phy_ctrl_4 = 0x00B000B0, - .emif_ddr_ext_phy_ctrl_5 = 0x00B000B0, + .emif_ddr_ext_phy_ctrl_2 = 0x00BB00BB, + .emif_ddr_ext_phy_ctrl_3 = 0x00BB00BB, + .emif_ddr_ext_phy_ctrl_4 = 0x00BB00BB, + .emif_ddr_ext_phy_ctrl_5 = 0x00BB00BB, .emif_rd_wr_lvl_rmp_win = 0x00000000, - .emif_rd_wr_lvl_rmp_ctl = 0x80000000, + .emif_rd_wr_lvl_rmp_ctl = 0x00000000, .emif_rd_wr_lvl_ctl = 0x00000000, .emif_rd_wr_exec_thresh = 0x00000305 }; @@ -169,18 +169,18 @@ const struct emif_regs emif_2_regs_ddr3_532_mhz_1cs_dra_es1 = { .sdram_tim1 = 0xCCCF36B3, .sdram_tim2 = 0x308F7FDA, .sdram_tim3 = 0x027F88A8, - .read_idle_ctrl = 0x00050000, + .read_idle_ctrl = 0x00050001, .zq_config = 0x0007190B, .temp_alert_config = 0x00000000, - .emif_ddr_phy_ctlr_1_init = 0x0024400A, - .emif_ddr_phy_ctlr_1 = 0x0024400A, + .emif_ddr_phy_ctlr_1_init = 0x0E24400A, + .emif_ddr_phy_ctlr_1 = 0x0E24400A, .emif_ddr_ext_phy_ctrl_1 = 0x10040100, - .emif_ddr_ext_phy_ctrl_2 = 0x00B000B0, - .emif_ddr_ext_phy_ctrl_3 = 0x00B000B0, - .emif_ddr_ext_phy_ctrl_4 = 0x00B000B0, - .emif_ddr_ext_phy_ctrl_5 = 0x00B000B0, + .emif_ddr_ext_phy_ctrl_2 = 0x00BB00BB, + .emif_ddr_ext_phy_ctrl_3 = 0x00BB00BB, + .emif_ddr_ext_phy_ctrl_4 = 0x00BB00BB, + .emif_ddr_ext_phy_ctrl_5 = 0x00BB00BB, .emif_rd_wr_lvl_rmp_win = 0x00000000, - .emif_rd_wr_lvl_rmp_ctl = 0x80000000, + .emif_rd_wr_lvl_rmp_ctl = 0x00000000, .emif_rd_wr_lvl_ctl = 0x00000000, .emif_rd_wr_exec_thresh = 0x00000305 }; @@ -394,24 +394,24 @@ const u32 ddr3_ext_phy_ctrl_const_base_es2[] = { const u32 dra_ddr3_ext_phy_ctrl_const_base_es1_emif1[] = { - 0x00B000B0, - 0x00400040, - 0x00400040, - 0x00400040, - 0x00400040, - 0x00400040, - 0x00800080, - 0x00800080, - 0x00800080, - 0x00800080, - 0x00800080, + 0x00BB00BB, + 0x00440044, + 0x00440044, + 0x00440044, + 0x00440044, + 0x00440044, + 0x007F007F, + 0x007F007F, + 0x007F007F, + 0x007F007F, + 0x007F007F, 0x00600060, 0x00600060, 0x00600060, 0x00600060, 0x00600060, - 0x00800080, - 0x00800080, + 0x00000000, + 0x00600020, 0x40010080, 0x08102040, 0x0, @@ -439,7 +439,7 @@ dra_ddr3_ext_phy_ctrl_const_base_es1_emif2[] = { 0x00600060, 0x00600060, 0x00600060, - 0x0, + 0x00000000, 0x00600020, 0x40010080, 0x08102040, diff --git a/arch/arm/cpu/armv7/rmobile/Kconfig b/arch/arm/cpu/armv7/rmobile/Kconfig new file mode 100644 index 0000000000..55c620a7c4 --- /dev/null +++ b/arch/arm/cpu/armv7/rmobile/Kconfig @@ -0,0 +1,37 @@ +if RMOBILE + +choice + prompt "Renesus ARM SoCs board select" + +config TARGET_ARMADILLO_800EVA + bool "armadillo 800 eva board" + +config TARGET_KOELSCH + bool "Koelsch board" + +config TARGET_LAGER + bool "Lager board" + +config TARGET_KZM9G + bool "KZM9D board" + +config TARGET_ALT + bool "Alt board" + +endchoice + +config SYS_CPU + string + default "armv7" + +config SYS_SOC + string + default "rmobile" + +source "board/atmark-techno/armadillo-800eva/Kconfig" +source "board/renesas/koelsch/Kconfig" +source "board/renesas/lager/Kconfig" +source "board/kmc/kzm9g/Kconfig" +source "board/renesas/alt/Kconfig" + +endif diff --git a/arch/arm/cpu/armv7/socfpga/clock_manager.c b/arch/arm/cpu/armv7/socfpga/clock_manager.c index 23d697dee2..158501acba 100644 --- a/arch/arm/cpu/armv7/socfpga/clock_manager.c +++ b/arch/arm/cpu/armv7/socfpga/clock_manager.c @@ -110,8 +110,8 @@ void cm_basic_init(const cm_config_t *cfg) * gatting off the rest of the periperal clocks. */ writel(~CLKMGR_PERPLLGRP_EN_NANDCLK_MASK & - readl(&clock_manager_base->per_pll_en), - &clock_manager_base->per_pll_en); + readl(&clock_manager_base->per_pll.en), + &clock_manager_base->per_pll.en); /* DO NOT GATE OFF DEBUG CLOCKS & BRIDGE CLOCKS */ writel(CLKMGR_MAINPLLGRP_EN_DBGTIMERCLK_MASK | @@ -120,12 +120,12 @@ void cm_basic_init(const cm_config_t *cfg) CLKMGR_MAINPLLGRP_EN_DBGATCLK_MASK | CLKMGR_MAINPLLGRP_EN_S2FUSER0CLK_MASK | CLKMGR_MAINPLLGRP_EN_L4MPCLK_MASK, - &clock_manager_base->main_pll_en); + &clock_manager_base->main_pll.en); - writel(0, &clock_manager_base->sdr_pll_en); + writel(0, &clock_manager_base->sdr_pll.en); /* now we can gate off the rest of the peripheral clocks */ - writel(0, &clock_manager_base->per_pll_en); + writel(0, &clock_manager_base->per_pll.en); /* Put all plls in bypass */ cm_write_bypass( @@ -142,11 +142,11 @@ void cm_basic_init(const cm_config_t *cfg) * Some code might have messed with them. */ writel(CLKMGR_MAINPLLGRP_VCO_RESET_VALUE, - &clock_manager_base->main_pll_vco); + &clock_manager_base->main_pll.vco); writel(CLKMGR_PERPLLGRP_VCO_RESET_VALUE, - &clock_manager_base->per_pll_vco); + &clock_manager_base->per_pll.vco); writel(CLKMGR_SDRPLLGRP_VCO_RESET_VALUE, - &clock_manager_base->sdr_pll_vco); + &clock_manager_base->sdr_pll.vco); /* * The clocks to the flash devices and the L4_MAIN clocks can @@ -156,14 +156,14 @@ void cm_basic_init(const cm_config_t *cfg) * after exiting safe mode but before ungating the clocks. */ writel(CLKMGR_PERPLLGRP_SRC_RESET_VALUE, - &clock_manager_base->per_pll_src); + &clock_manager_base->per_pll.src); writel(CLKMGR_MAINPLLGRP_L4SRC_RESET_VALUE, - &clock_manager_base->main_pll_l4src); + &clock_manager_base->main_pll.l4src); /* read back for the required 5 us delay. */ - readl(&clock_manager_base->main_pll_vco); - readl(&clock_manager_base->per_pll_vco); - readl(&clock_manager_base->sdr_pll_vco); + readl(&clock_manager_base->main_pll.vco); + readl(&clock_manager_base->per_pll.vco); + readl(&clock_manager_base->sdr_pll.vco); /* @@ -172,60 +172,59 @@ void cm_basic_init(const cm_config_t *cfg) */ writel(cfg->main_vco_base | CLEAR_BGP_EN_PWRDN | CLKMGR_MAINPLLGRP_VCO_REGEXTSEL_MASK, - &clock_manager_base->main_pll_vco); + &clock_manager_base->main_pll.vco); writel(cfg->peri_vco_base | CLEAR_BGP_EN_PWRDN | CLKMGR_PERPLLGRP_VCO_REGEXTSEL_MASK, - &clock_manager_base->per_pll_vco); + &clock_manager_base->per_pll.vco); writel(CLKMGR_SDRPLLGRP_VCO_OUTRESET_SET(0) | CLKMGR_SDRPLLGRP_VCO_OUTRESETALL_SET(0) | cfg->sdram_vco_base | CLEAR_BGP_EN_PWRDN | CLKMGR_SDRPLLGRP_VCO_REGEXTSEL_MASK, - &clock_manager_base->sdr_pll_vco); + &clock_manager_base->sdr_pll.vco); /* * Time starts here * must wait 7 us from BGPWRDN_SET(0) to VCO_ENABLE_SET(1) */ - reset_timer(); start = get_timer(0); /* timeout in unit of us as CONFIG_SYS_HZ = 1000*1000 */ timeout = 7; /* main mpu */ - writel(cfg->mpuclk, &clock_manager_base->main_pll_mpuclk); + writel(cfg->mpuclk, &clock_manager_base->main_pll.mpuclk); /* main main clock */ - writel(cfg->mainclk, &clock_manager_base->main_pll_mainclk); + writel(cfg->mainclk, &clock_manager_base->main_pll.mainclk); /* main for dbg */ - writel(cfg->dbgatclk, &clock_manager_base->main_pll_dbgatclk); + writel(cfg->dbgatclk, &clock_manager_base->main_pll.dbgatclk); /* main for cfgs2fuser0clk */ writel(cfg->cfg2fuser0clk, - &clock_manager_base->main_pll_cfgs2fuser0clk); + &clock_manager_base->main_pll.cfgs2fuser0clk); /* Peri emac0 50 MHz default to RMII */ - writel(cfg->emac0clk, &clock_manager_base->per_pll_emac0clk); + writel(cfg->emac0clk, &clock_manager_base->per_pll.emac0clk); /* Peri emac1 50 MHz default to RMII */ - writel(cfg->emac1clk, &clock_manager_base->per_pll_emac1clk); + writel(cfg->emac1clk, &clock_manager_base->per_pll.emac1clk); /* Peri QSPI */ - writel(cfg->mainqspiclk, &clock_manager_base->main_pll_mainqspiclk); + writel(cfg->mainqspiclk, &clock_manager_base->main_pll.mainqspiclk); - writel(cfg->perqspiclk, &clock_manager_base->per_pll_perqspiclk); + writel(cfg->perqspiclk, &clock_manager_base->per_pll.perqspiclk); /* Peri pernandsdmmcclk */ writel(cfg->pernandsdmmcclk, - &clock_manager_base->per_pll_pernandsdmmcclk); + &clock_manager_base->per_pll.pernandsdmmcclk); /* Peri perbaseclk */ - writel(cfg->perbaseclk, &clock_manager_base->per_pll_perbaseclk); + writel(cfg->perbaseclk, &clock_manager_base->per_pll.perbaseclk); /* Peri s2fuser1clk */ - writel(cfg->s2fuser1clk, &clock_manager_base->per_pll_s2fuser1clk); + writel(cfg->s2fuser1clk, &clock_manager_base->per_pll.s2fuser1clk); /* 7 us must have elapsed before we can enable the VCO */ while (get_timer(start) < timeout) @@ -234,29 +233,29 @@ void cm_basic_init(const cm_config_t *cfg) /* Enable vco */ /* main pll vco */ writel(cfg->main_vco_base | VCO_EN_BASE, - &clock_manager_base->main_pll_vco); + &clock_manager_base->main_pll.vco); /* periferal pll */ writel(cfg->peri_vco_base | VCO_EN_BASE, - &clock_manager_base->per_pll_vco); + &clock_manager_base->per_pll.vco); /* sdram pll vco */ writel(CLKMGR_SDRPLLGRP_VCO_OUTRESET_SET(0) | CLKMGR_SDRPLLGRP_VCO_OUTRESETALL_SET(0) | cfg->sdram_vco_base | VCO_EN_BASE, - &clock_manager_base->sdr_pll_vco); + &clock_manager_base->sdr_pll.vco); /* L3 MP and L3 SP */ - writel(cfg->maindiv, &clock_manager_base->main_pll_maindiv); + writel(cfg->maindiv, &clock_manager_base->main_pll.maindiv); - writel(cfg->dbgdiv, &clock_manager_base->main_pll_dbgdiv); + writel(cfg->dbgdiv, &clock_manager_base->main_pll.dbgdiv); - writel(cfg->tracediv, &clock_manager_base->main_pll_tracediv); + writel(cfg->tracediv, &clock_manager_base->main_pll.tracediv); /* L4 MP, L4 SP, can0, and can1 */ - writel(cfg->perdiv, &clock_manager_base->per_pll_div); + writel(cfg->perdiv, &clock_manager_base->per_pll.div); - writel(cfg->gpiodiv, &clock_manager_base->per_pll_gpiodiv); + writel(cfg->gpiodiv, &clock_manager_base->per_pll.gpiodiv); #define LOCKED_MASK \ (CLKMGR_INTER_SDRPLLLOCKED_MASK | \ @@ -267,70 +266,70 @@ void cm_basic_init(const cm_config_t *cfg) /* write the sdram clock counters before toggling outreset all */ writel(cfg->ddrdqsclk & CLKMGR_SDRPLLGRP_DDRDQSCLK_CNT_MASK, - &clock_manager_base->sdr_pll_ddrdqsclk); + &clock_manager_base->sdr_pll.ddrdqsclk); writel(cfg->ddr2xdqsclk & CLKMGR_SDRPLLGRP_DDR2XDQSCLK_CNT_MASK, - &clock_manager_base->sdr_pll_ddr2xdqsclk); + &clock_manager_base->sdr_pll.ddr2xdqsclk); writel(cfg->ddrdqclk & CLKMGR_SDRPLLGRP_DDRDQCLK_CNT_MASK, - &clock_manager_base->sdr_pll_ddrdqclk); + &clock_manager_base->sdr_pll.ddrdqclk); writel(cfg->s2fuser2clk & CLKMGR_SDRPLLGRP_S2FUSER2CLK_CNT_MASK, - &clock_manager_base->sdr_pll_s2fuser2clk); + &clock_manager_base->sdr_pll.s2fuser2clk); /* * after locking, but before taking out of bypass * assert/deassert outresetall */ - uint32_t mainvco = readl(&clock_manager_base->main_pll_vco); + uint32_t mainvco = readl(&clock_manager_base->main_pll.vco); /* assert main outresetall */ writel(mainvco | CLKMGR_MAINPLLGRP_VCO_OUTRESETALL_MASK, - &clock_manager_base->main_pll_vco); + &clock_manager_base->main_pll.vco); - uint32_t periphvco = readl(&clock_manager_base->per_pll_vco); + uint32_t periphvco = readl(&clock_manager_base->per_pll.vco); /* assert pheriph outresetall */ writel(periphvco | CLKMGR_PERPLLGRP_VCO_OUTRESETALL_MASK, - &clock_manager_base->per_pll_vco); + &clock_manager_base->per_pll.vco); /* assert sdram outresetall */ writel(cfg->sdram_vco_base | VCO_EN_BASE| CLKMGR_SDRPLLGRP_VCO_OUTRESETALL_SET(1), - &clock_manager_base->sdr_pll_vco); + &clock_manager_base->sdr_pll.vco); /* deassert main outresetall */ writel(mainvco & ~CLKMGR_MAINPLLGRP_VCO_OUTRESETALL_MASK, - &clock_manager_base->main_pll_vco); + &clock_manager_base->main_pll.vco); /* deassert pheriph outresetall */ writel(periphvco & ~CLKMGR_PERPLLGRP_VCO_OUTRESETALL_MASK, - &clock_manager_base->per_pll_vco); + &clock_manager_base->per_pll.vco); /* deassert sdram outresetall */ writel(CLKMGR_SDRPLLGRP_VCO_OUTRESETALL_SET(0) | cfg->sdram_vco_base | VCO_EN_BASE, - &clock_manager_base->sdr_pll_vco); + &clock_manager_base->sdr_pll.vco); /* * now that we've toggled outreset all, all the clocks * are aligned nicely; so we can change any phase. */ cm_write_with_phase(cfg->ddrdqsclk, - (uint32_t)&clock_manager_base->sdr_pll_ddrdqsclk, + (uint32_t)&clock_manager_base->sdr_pll.ddrdqsclk, CLKMGR_SDRPLLGRP_DDRDQSCLK_PHASE_MASK); /* SDRAM DDR2XDQSCLK */ cm_write_with_phase(cfg->ddr2xdqsclk, - (uint32_t)&clock_manager_base->sdr_pll_ddr2xdqsclk, + (uint32_t)&clock_manager_base->sdr_pll.ddr2xdqsclk, CLKMGR_SDRPLLGRP_DDR2XDQSCLK_PHASE_MASK); cm_write_with_phase(cfg->ddrdqclk, - (uint32_t)&clock_manager_base->sdr_pll_ddrdqclk, + (uint32_t)&clock_manager_base->sdr_pll.ddrdqclk, CLKMGR_SDRPLLGRP_DDRDQCLK_PHASE_MASK); cm_write_with_phase(cfg->s2fuser2clk, - (uint32_t)&clock_manager_base->sdr_pll_s2fuser2clk, + (uint32_t)&clock_manager_base->sdr_pll.s2fuser2clk, CLKMGR_SDRPLLGRP_S2FUSER2CLK_PHASE_MASK); /* Take all three PLLs out of bypass when safe mode is cleared. */ @@ -351,11 +350,11 @@ void cm_basic_init(const cm_config_t *cfg) * now that safe mode is clear with clocks gated * it safe to change the source mux for the flashes the the L4_MAIN */ - writel(cfg->persrc, &clock_manager_base->per_pll_src); - writel(cfg->l4src, &clock_manager_base->main_pll_l4src); + writel(cfg->persrc, &clock_manager_base->per_pll.src); + writel(cfg->l4src, &clock_manager_base->main_pll.l4src); /* Now ungate non-hw-managed clocks */ - writel(~0, &clock_manager_base->main_pll_en); - writel(~0, &clock_manager_base->per_pll_en); - writel(~0, &clock_manager_base->sdr_pll_en); + writel(~0, &clock_manager_base->main_pll.en); + writel(~0, &clock_manager_base->per_pll.en); + writel(~0, &clock_manager_base->sdr_pll.en); } diff --git a/arch/arm/cpu/armv7/socfpga/config.mk b/arch/arm/cpu/armv7/socfpga/config.mk index 3d18491577..2a99c72aeb 100644 --- a/arch/arm/cpu/armv7/socfpga/config.mk +++ b/arch/arm/cpu/armv7/socfpga/config.mk @@ -6,3 +6,6 @@ ifndef CONFIG_SPL_BUILD ALL-y += u-boot.img endif + +# Added for handoff support +PLATFORM_RELFLAGS += -Iboard/$(VENDOR)/$(BOARD) diff --git a/arch/arm/cpu/armv7/socfpga/misc.c b/arch/arm/cpu/armv7/socfpga/misc.c index 5268f2c708..ecae393410 100644 --- a/arch/arm/cpu/armv7/socfpga/misc.c +++ b/arch/arm/cpu/armv7/socfpga/misc.c @@ -6,6 +6,8 @@ #include <common.h> #include <asm/io.h> +#include <miiphy.h> +#include <netdev.h> DECLARE_GLOBAL_DATA_PTR; @@ -38,3 +40,18 @@ int misc_init_r(void) { return 0; } + + +/* + * DesignWare Ethernet initialization + */ +int cpu_eth_init(bd_t *bis) +{ +#if !defined(CONFIG_SOCFPGA_VIRTUAL_TARGET) && !defined(CONFIG_SPL_BUILD) + /* initialize and register the emac */ + return designware_initialize(CONFIG_EMAC_BASE, + CONFIG_PHY_INTERFACE_MODE); +#else + return 0; +#endif +} diff --git a/arch/arm/cpu/armv7/socfpga/spl.c b/arch/arm/cpu/armv7/socfpga/spl.c index 4bed19d0a7..27efde62cc 100644 --- a/arch/arm/cpu/armv7/socfpga/spl.c +++ b/arch/arm/cpu/armv7/socfpga/spl.c @@ -14,6 +14,8 @@ #include <spl.h> #include <asm/arch/system_manager.h> #include <asm/arch/freeze_controller.h> +#include <asm/arch/clock_manager.h> +#include <asm/arch/scan_manager.h> DECLARE_GLOBAL_DATA_PTR; diff --git a/arch/arm/cpu/armv7/socfpga/u-boot-spl.lds b/arch/arm/cpu/armv7/socfpga/u-boot-spl.lds index 4282beb395..db9bdad7d6 100644 --- a/arch/arm/cpu/armv7/socfpga/u-boot-spl.lds +++ b/arch/arm/cpu/armv7/socfpga/u-boot-spl.lds @@ -16,6 +16,7 @@ SECTIONS . = ALIGN(4); .text : { + *(.vectors) arch/arm/cpu/armv7/start.o (.text*) *(.text*) } >.sdram diff --git a/arch/arm/cpu/armv7/sunxi/Makefile b/arch/arm/cpu/armv7/sunxi/Makefile index 6c706393d3..e9721b27b6 100644 --- a/arch/arm/cpu/armv7/sunxi/Makefile +++ b/arch/arm/cpu/armv7/sunxi/Makefile @@ -17,6 +17,9 @@ obj-$(CONFIG_SUN7I) += clock_sun4i.o ifndef CONFIG_SPL_BUILD obj-y += cpu_info.o +ifdef CONFIG_ARMV7_PSCI +obj-y += psci.o +endif endif ifdef CONFIG_SPL_BUILD diff --git a/arch/arm/cpu/armv7/sunxi/board.c b/arch/arm/cpu/armv7/sunxi/board.c index 8f2cef332f..f2cedbb156 100644 --- a/arch/arm/cpu/armv7/sunxi/board.c +++ b/arch/arm/cpu/armv7/sunxi/board.c @@ -129,6 +129,11 @@ int cpu_eth_init(bd_t *bis) { __maybe_unused int rc; +#ifdef CONFIG_MACPWR + gpio_direction_output(CONFIG_MACPWR, 1); + mdelay(200); +#endif + #ifdef CONFIG_SUNXI_EMAC rc = sunxi_emac_initialize(bis); if (rc < 0) { diff --git a/arch/arm/cpu/armv7/sunxi/clock_sun4i.c b/arch/arm/cpu/armv7/sunxi/clock_sun4i.c index b8b16cff95..ecbdb0162b 100644 --- a/arch/arm/cpu/armv7/sunxi/clock_sun4i.c +++ b/arch/arm/cpu/armv7/sunxi/clock_sun4i.c @@ -39,6 +39,10 @@ void clock_init_safe(void) setbits_le32(&ccm->ahb_gate0, 0x1 << AHB_GATE_OFFSET_DMA); #endif writel(PLL6_CFG_DEFAULT, &ccm->pll6_cfg); +#ifdef CONFIG_SUNXI_AHCI + setbits_le32(&ccm->ahb_gate0, 0x1 << AHB_GATE_OFFSET_SATA); + setbits_le32(&ccm->pll6_cfg, 0x1 << CCM_PLL6_CTRL_SATA_EN_SHIFT); +#endif } #endif diff --git a/arch/arm/cpu/armv7/sunxi/dram.c b/arch/arm/cpu/armv7/sunxi/dram.c index 0f1ceecc1d..584f7420d7 100644 --- a/arch/arm/cpu/armv7/sunxi/dram.c +++ b/arch/arm/cpu/armv7/sunxi/dram.c @@ -36,18 +36,39 @@ #define CPU_CFG_CHIP_REV_B 0x3 /* - * Wait up to 1s for mask to be clear in given reg. + * Wait up to 1s for value to be set in given part of reg. */ -static void await_completion(u32 *reg, u32 mask) +static void await_completion(u32 *reg, u32 mask, u32 val) { unsigned long tmo = timer_get_us() + 1000000; - while (readl(reg) & mask) { + while ((readl(reg) & mask) != val) { if (timer_get_us() > tmo) panic("Timeout initialising DRAM\n"); } } +/* + * Wait up to 1s for mask to be clear in given reg. + */ +static inline void await_bits_clear(u32 *reg, u32 mask) +{ + await_completion(reg, mask, 0); +} + +/* + * Wait up to 1s for mask to be set in given reg. + */ +static inline void await_bits_set(u32 *reg, u32 mask) +{ + await_completion(reg, mask, mask); +} + +/* + * This performs the external DRAM reset by driving the RESET pin low and + * then high again. According to the DDR3 spec, the RESET pin needs to be + * kept low for at least 200 us. + */ static void mctl_ddr3_reset(void) { struct sunxi_dram_reg *dram = @@ -64,15 +85,28 @@ static void mctl_ddr3_reset(void) if ((reg_val & CPU_CFG_CHIP_VER_MASK) != CPU_CFG_CHIP_VER(CPU_CFG_CHIP_REV_A)) { setbits_le32(&dram->mcr, DRAM_MCR_RESET); - udelay(2); + udelay(200); clrbits_le32(&dram->mcr, DRAM_MCR_RESET); } else #endif { clrbits_le32(&dram->mcr, DRAM_MCR_RESET); - udelay(2); + udelay(200); setbits_le32(&dram->mcr, DRAM_MCR_RESET); } + /* After the RESET pin is de-asserted, the DDR3 spec requires to wait + * for additional 500 us before driving the CKE pin (Clock Enable) + * high. The duration of this delay can be configured in the SDR_IDCR + * (Initialization Delay Configuration Register) and applied + * automatically by the DRAM controller during the DDR3 initialization + * step. But SDR_IDCR has limited range on sun4i/sun5i hardware and + * can't provide sufficient delay at DRAM clock frequencies higher than + * 524 MHz (while Allwinner A13 supports DRAM clock frequency up to + * 533 MHz according to the datasheet). Additionally, there is no + * official documentation for the SDR_IDCR register anywhere, and + * there is always a chance that we are interpreting it wrong. + * Better be safe than sorry, so add an explicit delay here. */ + udelay(500); } static void mctl_set_drive(void) @@ -102,6 +136,14 @@ static void mctl_itm_enable(void) clrbits_le32(&dram->ccr, DRAM_CCR_ITM_OFF); } +static void mctl_itm_reset(void) +{ + mctl_itm_disable(); + udelay(1); /* ITM reset needs a bit of delay */ + mctl_itm_enable(); + udelay(1); +} + static void mctl_enable_dll0(u32 phase) { struct sunxi_dram_reg *dram = (struct sunxi_dram_reg *)SUNXI_DRAMC_BASE; @@ -118,23 +160,28 @@ static void mctl_enable_dll0(u32 phase) udelay(22); } +/* Get the number of DDR byte lanes */ +static u32 mctl_get_number_of_lanes(void) +{ + struct sunxi_dram_reg *dram = (struct sunxi_dram_reg *)SUNXI_DRAMC_BASE; + if ((readl(&dram->dcr) & DRAM_DCR_BUS_WIDTH_MASK) == + DRAM_DCR_BUS_WIDTH(DRAM_DCR_BUS_WIDTH_32BIT)) + return 4; + else + return 2; +} + /* * Note: This differs from pm/standby in that it checks the bus width */ static void mctl_enable_dllx(u32 phase) { struct sunxi_dram_reg *dram = (struct sunxi_dram_reg *)SUNXI_DRAMC_BASE; - u32 i, n, bus_width; + u32 i, number_of_lanes; - bus_width = readl(&dram->dcr); + number_of_lanes = mctl_get_number_of_lanes(); - if ((bus_width & DRAM_DCR_BUS_WIDTH_MASK) == - DRAM_DCR_BUS_WIDTH(DRAM_DCR_BUS_WIDTH_32BIT)) - n = DRAM_DCR_NR_DLLCR_32BIT; - else - n = DRAM_DCR_NR_DLLCR_16BIT; - - for (i = 1; i < n; i++) { + for (i = 1; i <= number_of_lanes; i++) { clrsetbits_le32(&dram->dllcr[i], 0xf << 14, (phase & 0xf) << 14); clrsetbits_le32(&dram->dllcr[i], DRAM_DLLCR_NRESET, @@ -143,12 +190,12 @@ static void mctl_enable_dllx(u32 phase) } udelay(2); - for (i = 1; i < n; i++) + for (i = 1; i <= number_of_lanes; i++) clrbits_le32(&dram->dllcr[i], DRAM_DLLCR_NRESET | DRAM_DLLCR_DISABLE); udelay(22); - for (i = 1; i < n; i++) + for (i = 1; i <= number_of_lanes; i++) clrsetbits_le32(&dram->dllcr[i], DRAM_DLLCR_DISABLE, DRAM_DLLCR_NRESET); udelay(22); @@ -201,11 +248,20 @@ static void mctl_configure_hostport(void) writel(hpcr_value[i], &dram->hpcr[i]); } -static void mctl_setup_dram_clock(u32 clk) +static void mctl_setup_dram_clock(u32 clk, u32 mbus_clk) { u32 reg_val; struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; + /* PLL5P and PLL6 are the potential clock sources for MBUS */ + u32 pll6x_div, pll5p_div; + u32 pll6x_clk = clock_get_pll6() / 1000000; + u32 pll5p_clk = clk / 24 * 48; + u32 pll5p_rate, pll6x_rate; +#ifdef CONFIG_SUN7I + pll6x_clk *= 2; /* sun7i uses PLL6*2, sun5i uses just PLL6 */ +#endif + /* setup DRAM PLL */ reg_val = readl(&ccm->pll5_cfg); reg_val &= ~CCM_PLL5_CTRL_M_MASK; /* set M to 0 (x1) */ @@ -213,41 +269,40 @@ static void mctl_setup_dram_clock(u32 clk) reg_val &= ~CCM_PLL5_CTRL_N_MASK; /* set N to 0 (x0) */ reg_val &= ~CCM_PLL5_CTRL_P_MASK; /* set P to 0 (x1) */ if (clk >= 540 && clk < 552) { - /* dram = 540MHz, pll5p = 540MHz */ + /* dram = 540MHz, pll5p = 1080MHz */ + pll5p_clk = 1080; reg_val |= CCM_PLL5_CTRL_M(CCM_PLL5_CTRL_M_X(2)); reg_val |= CCM_PLL5_CTRL_K(CCM_PLL5_CTRL_K_X(3)); reg_val |= CCM_PLL5_CTRL_N(CCM_PLL5_CTRL_N_X(15)); - reg_val |= CCM_PLL5_CTRL_P(1); } else if (clk >= 512 && clk < 528) { - /* dram = 512MHz, pll5p = 384MHz */ + /* dram = 512MHz, pll5p = 1536MHz */ + pll5p_clk = 1536; reg_val |= CCM_PLL5_CTRL_M(CCM_PLL5_CTRL_M_X(3)); reg_val |= CCM_PLL5_CTRL_K(CCM_PLL5_CTRL_K_X(4)); reg_val |= CCM_PLL5_CTRL_N(CCM_PLL5_CTRL_N_X(16)); - reg_val |= CCM_PLL5_CTRL_P(2); } else if (clk >= 496 && clk < 504) { - /* dram = 496MHz, pll5p = 372MHz */ + /* dram = 496MHz, pll5p = 1488MHz */ + pll5p_clk = 1488; reg_val |= CCM_PLL5_CTRL_M(CCM_PLL5_CTRL_M_X(3)); reg_val |= CCM_PLL5_CTRL_K(CCM_PLL5_CTRL_K_X(2)); reg_val |= CCM_PLL5_CTRL_N(CCM_PLL5_CTRL_N_X(31)); - reg_val |= CCM_PLL5_CTRL_P(2); } else if (clk >= 468 && clk < 480) { - /* dram = 468MHz, pll5p = 468MHz */ + /* dram = 468MHz, pll5p = 936MHz */ + pll5p_clk = 936; reg_val |= CCM_PLL5_CTRL_M(CCM_PLL5_CTRL_M_X(2)); reg_val |= CCM_PLL5_CTRL_K(CCM_PLL5_CTRL_K_X(3)); reg_val |= CCM_PLL5_CTRL_N(CCM_PLL5_CTRL_N_X(13)); - reg_val |= CCM_PLL5_CTRL_P(1); } else if (clk >= 396 && clk < 408) { - /* dram = 396MHz, pll5p = 396MHz */ + /* dram = 396MHz, pll5p = 792MHz */ + pll5p_clk = 792; reg_val |= CCM_PLL5_CTRL_M(CCM_PLL5_CTRL_M_X(2)); reg_val |= CCM_PLL5_CTRL_K(CCM_PLL5_CTRL_K_X(3)); reg_val |= CCM_PLL5_CTRL_N(CCM_PLL5_CTRL_N_X(11)); - reg_val |= CCM_PLL5_CTRL_P(1); } else { /* any other frequency that is a multiple of 24 */ reg_val |= CCM_PLL5_CTRL_M(CCM_PLL5_CTRL_M_X(2)); reg_val |= CCM_PLL5_CTRL_K(CCM_PLL5_CTRL_K_X(2)); reg_val |= CCM_PLL5_CTRL_N(CCM_PLL5_CTRL_N_X(clk / 24)); - reg_val |= CCM_PLL5_CTRL_P(CCM_PLL5_CTRL_P_X(2)); } reg_val &= ~CCM_PLL5_CTRL_VCO_GAIN; /* PLL VCO Gain off */ reg_val |= CCM_PLL5_CTRL_EN; /* PLL On */ @@ -264,20 +319,30 @@ static void mctl_setup_dram_clock(u32 clk) clrbits_le32(&ccm->ahb_gate0, CCM_AHB_GATE_GPS); #endif -#if defined(CONFIG_SUN5I) || defined(CONFIG_SUN7I) /* setup MBUS clock */ - reg_val = CCM_MBUS_CTRL_GATE | -#ifdef CONFIG_SUN7I - CCM_MBUS_CTRL_CLK_SRC(CCM_MBUS_CTRL_CLK_SRC_PLL6) | - CCM_MBUS_CTRL_N(CCM_MBUS_CTRL_N_X(2)) | - CCM_MBUS_CTRL_M(CCM_MBUS_CTRL_M_X(2)); -#else /* defined(CONFIG_SUN5I) */ - CCM_MBUS_CTRL_CLK_SRC(CCM_MBUS_CTRL_CLK_SRC_PLL5) | - CCM_MBUS_CTRL_N(CCM_MBUS_CTRL_N_X(1)) | - CCM_MBUS_CTRL_M(CCM_MBUS_CTRL_M_X(2)); -#endif + if (!mbus_clk) + mbus_clk = 300; + pll6x_div = DIV_ROUND_UP(pll6x_clk, mbus_clk); + pll5p_div = DIV_ROUND_UP(pll5p_clk, mbus_clk); + pll6x_rate = pll6x_clk / pll6x_div; + pll5p_rate = pll5p_clk / pll5p_div; + + if (pll6x_div <= 16 && pll6x_rate > pll5p_rate) { + /* use PLL6 as the MBUS clock source */ + reg_val = CCM_MBUS_CTRL_GATE | + CCM_MBUS_CTRL_CLK_SRC(CCM_MBUS_CTRL_CLK_SRC_PLL6) | + CCM_MBUS_CTRL_N(CCM_MBUS_CTRL_N_X(1)) | + CCM_MBUS_CTRL_M(CCM_MBUS_CTRL_M_X(pll6x_div)); + } else if (pll5p_div <= 16) { + /* use PLL5P as the MBUS clock source */ + reg_val = CCM_MBUS_CTRL_GATE | + CCM_MBUS_CTRL_CLK_SRC(CCM_MBUS_CTRL_CLK_SRC_PLL5) | + CCM_MBUS_CTRL_N(CCM_MBUS_CTRL_N_X(1)) | + CCM_MBUS_CTRL_M(CCM_MBUS_CTRL_M_X(pll5p_div)); + } else { + panic("Bad mbus_clk\n"); + } writel(reg_val, &ccm->mbus_clk_cfg); -#endif /* * open DRAMC AHB & DLL register clock @@ -299,19 +364,48 @@ static void mctl_setup_dram_clock(u32 clk) udelay(22); } +/* + * The data from rslrX and rdgrX registers (X=rank) is stored + * in a single 32-bit value using the following format: + * bits [31:26] - DQS gating system latency for byte lane 3 + * bits [25:24] - DQS gating phase select for byte lane 3 + * bits [23:18] - DQS gating system latency for byte lane 2 + * bits [17:16] - DQS gating phase select for byte lane 2 + * bits [15:10] - DQS gating system latency for byte lane 1 + * bits [ 9:8 ] - DQS gating phase select for byte lane 1 + * bits [ 7:2 ] - DQS gating system latency for byte lane 0 + * bits [ 1:0 ] - DQS gating phase select for byte lane 0 + */ +static void mctl_set_dqs_gating_delay(int rank, u32 dqs_gating_delay) +{ + struct sunxi_dram_reg *dram = (struct sunxi_dram_reg *)SUNXI_DRAMC_BASE; + u32 lane, number_of_lanes = mctl_get_number_of_lanes(); + /* rank0 gating system latency (3 bits per lane: cycles) */ + u32 slr = readl(rank == 0 ? &dram->rslr0 : &dram->rslr1); + /* rank0 gating phase select (2 bits per lane: 90, 180, 270, 360) */ + u32 dgr = readl(rank == 0 ? &dram->rdgr0 : &dram->rdgr1); + for (lane = 0; lane < number_of_lanes; lane++) { + u32 tmp = dqs_gating_delay >> (lane * 8); + slr &= ~(7 << (lane * 3)); + slr |= ((tmp >> 2) & 7) << (lane * 3); + dgr &= ~(3 << (lane * 2)); + dgr |= (tmp & 3) << (lane * 2); + } + writel(slr, rank == 0 ? &dram->rslr0 : &dram->rslr1); + writel(dgr, rank == 0 ? &dram->rdgr0 : &dram->rdgr1); +} + static int dramc_scan_readpipe(void) { struct sunxi_dram_reg *dram = (struct sunxi_dram_reg *)SUNXI_DRAMC_BASE; u32 reg_val; /* data training trigger */ -#ifdef CONFIG_SUN7I clrbits_le32(&dram->csr, DRAM_CSR_FAILED); -#endif setbits_le32(&dram->ccr, DRAM_CCR_DATA_TRAINING); /* check whether data training process has completed */ - await_completion(&dram->ccr, DRAM_CCR_DATA_TRAINING); + await_bits_clear(&dram->ccr, DRAM_CCR_DATA_TRAINING); /* check data training result */ reg_val = readl(&dram->csr); @@ -321,117 +415,6 @@ static int dramc_scan_readpipe(void) return 0; } -static int dramc_scan_dll_para(void) -{ - struct sunxi_dram_reg *dram = (struct sunxi_dram_reg *)SUNXI_DRAMC_BASE; - const u32 dqs_dly[7] = {0x3, 0x2, 0x1, 0x0, 0xe, 0xd, 0xc}; - const u32 clk_dly[15] = {0x07, 0x06, 0x05, 0x04, 0x03, - 0x02, 0x01, 0x00, 0x08, 0x10, - 0x18, 0x20, 0x28, 0x30, 0x38}; - u32 clk_dqs_count[15]; - u32 dqs_i, clk_i, cr_i; - u32 max_val, min_val; - u32 dqs_index, clk_index; - - /* Find DQS_DLY Pass Count for every CLK_DLY */ - for (clk_i = 0; clk_i < 15; clk_i++) { - clk_dqs_count[clk_i] = 0; - clrsetbits_le32(&dram->dllcr[0], 0x3f << 6, - (clk_dly[clk_i] & 0x3f) << 6); - for (dqs_i = 0; dqs_i < 7; dqs_i++) { - for (cr_i = 1; cr_i < 5; cr_i++) { - clrsetbits_le32(&dram->dllcr[cr_i], - 0x4f << 14, - (dqs_dly[dqs_i] & 0x4f) << 14); - } - udelay(2); - if (dramc_scan_readpipe() == 0) - clk_dqs_count[clk_i]++; - } - } - /* Test DQS_DLY Pass Count for every CLK_DLY from up to down */ - for (dqs_i = 15; dqs_i > 0; dqs_i--) { - max_val = 15; - min_val = 15; - for (clk_i = 0; clk_i < 15; clk_i++) { - if (clk_dqs_count[clk_i] == dqs_i) { - max_val = clk_i; - if (min_val == 15) - min_val = clk_i; - } - } - if (max_val < 15) - break; - } - - /* Check if Find a CLK_DLY failed */ - if (!dqs_i) - goto fail; - - /* Find the middle index of CLK_DLY */ - clk_index = (max_val + min_val) >> 1; - if ((max_val == (15 - 1)) && (min_val > 0)) - /* if CLK_DLY[MCTL_CLK_DLY_COUNT] is very good, then the middle - * value can be more close to the max_val - */ - clk_index = (15 + clk_index) >> 1; - else if ((max_val < (15 - 1)) && (min_val == 0)) - /* if CLK_DLY[0] is very good, then the middle value can be more - * close to the min_val - */ - clk_index >>= 1; - if (clk_dqs_count[clk_index] < dqs_i) - clk_index = min_val; - - /* Find the middle index of DQS_DLY for the CLK_DLY got above, and Scan - * read pipe again - */ - clrsetbits_le32(&dram->dllcr[0], 0x3f << 6, - (clk_dly[clk_index] & 0x3f) << 6); - max_val = 7; - min_val = 7; - for (dqs_i = 0; dqs_i < 7; dqs_i++) { - clk_dqs_count[dqs_i] = 0; - for (cr_i = 1; cr_i < 5; cr_i++) { - clrsetbits_le32(&dram->dllcr[cr_i], - 0x4f << 14, - (dqs_dly[dqs_i] & 0x4f) << 14); - } - udelay(2); - if (dramc_scan_readpipe() == 0) { - clk_dqs_count[dqs_i] = 1; - max_val = dqs_i; - if (min_val == 7) - min_val = dqs_i; - } - } - - if (max_val < 7) { - dqs_index = (max_val + min_val) >> 1; - if ((max_val == (7-1)) && (min_val > 0)) - dqs_index = (7 + dqs_index) >> 1; - else if ((max_val < (7-1)) && (min_val == 0)) - dqs_index >>= 1; - if (!clk_dqs_count[dqs_index]) - dqs_index = min_val; - for (cr_i = 1; cr_i < 5; cr_i++) { - clrsetbits_le32(&dram->dllcr[cr_i], - 0x4f << 14, - (dqs_dly[dqs_index] & 0x4f) << 14); - } - udelay(2); - return dramc_scan_readpipe(); - } - -fail: - clrbits_le32(&dram->dllcr[0], 0x3f << 6); - for (cr_i = 1; cr_i < 5; cr_i++) - clrbits_le32(&dram->dllcr[cr_i], 0x4f << 14); - udelay(2); - - return dramc_scan_readpipe(); -} - static void dramc_clock_output_en(u32 on) { #if defined(CONFIG_SUN5I) || defined(CONFIG_SUN7I) @@ -451,48 +434,164 @@ static void dramc_clock_output_en(u32 on) #endif } -static const u16 tRFC_table[2][6] = { - /* 256Mb 512Mb 1Gb 2Gb 4Gb 8Gb */ - /* DDR2 75ns 105ns 127.5ns 195ns 327.5ns invalid */ - { 77, 108, 131, 200, 336, 336 }, - /* DDR3 invalid 90ns 110ns 160ns 300ns 350ns */ - { 93, 93, 113, 164, 308, 359 } +/* tRFC in nanoseconds for different densities (from the DDR3 spec) */ +static const u16 tRFC_DDR3_table[6] = { + /* 256Mb 512Mb 1Gb 2Gb 4Gb 8Gb */ + 90, 90, 110, 160, 300, 350 }; -static void dramc_set_autorefresh_cycle(u32 clk, u32 type, u32 density) +static void dramc_set_autorefresh_cycle(u32 clk, u32 density) { struct sunxi_dram_reg *dram = (struct sunxi_dram_reg *)SUNXI_DRAMC_BASE; u32 tRFC, tREFI; - tRFC = (tRFC_table[type][density] * clk + 1023) >> 10; + tRFC = (tRFC_DDR3_table[density] * clk + 999) / 1000; tREFI = (7987 * clk) >> 10; /* <= 7.8us */ writel(DRAM_DRR_TREFI(tREFI) | DRAM_DRR_TRFC(tRFC), &dram->drr); } -unsigned long dramc_init(struct dram_para *para) +/* Calculate the value for A11, A10, A9 bits in MR0 (write recovery) */ +static u32 ddr3_write_recovery(u32 clk) +{ + u32 twr_ns = 15; /* DDR3 spec says that it is 15ns for all speed bins */ + u32 twr_ck = (twr_ns * clk + 999) / 1000; + if (twr_ck < 5) + return 1; + else if (twr_ck <= 8) + return twr_ck - 4; + else if (twr_ck <= 10) + return 5; + else + return 6; +} + +/* + * If the dram->ppwrsctl (SDR_DPCR) register has the lowest bit set to 1, this + * means that DRAM is currently in self-refresh mode and retaining the old + * data. Since we have no idea what to do in this situation yet, just set this + * register to 0 and initialize DRAM in the same way as on any normal reboot + * (discarding whatever was stored there). + * + * Note: on sun7i hardware, the highest 16 bits need to be set to 0x1651 magic + * value for this write operation to have any effect. On sun5i hadware this + * magic value is not necessary. And on sun4i hardware the writes to this + * register seem to have no effect at all. + */ +static void mctl_disable_power_save(void) +{ + struct sunxi_dram_reg *dram = (struct sunxi_dram_reg *)SUNXI_DRAMC_BASE; + writel(0x16510000, &dram->ppwrsctl); +} + +/* + * After the DRAM is powered up or reset, the DDR3 spec requires to wait at + * least 500 us before driving the CKE pin (Clock Enable) high. The dram->idct + * (SDR_IDCR) register appears to configure this delay, which gets applied + * right at the time when the DRAM initialization is activated in the + * 'mctl_ddr3_initialize' function. + */ +static void mctl_set_cke_delay(void) +{ + struct sunxi_dram_reg *dram = (struct sunxi_dram_reg *)SUNXI_DRAMC_BASE; + + /* The CKE delay is represented in DRAM clock cycles, multiplied by N + * (where N=2 for sun4i/sun5i and N=3 for sun7i). Here it is set to + * the maximum possible value 0x1ffff, just like in the Allwinner's + * boot0 bootloader. The resulting delay value is somewhere between + * ~0.4 ms (sun5i with 648 MHz DRAM clock speed) and ~1.1 ms (sun7i + * with 360 MHz DRAM clock speed). */ + setbits_le32(&dram->idcr, 0x1ffff); +} + +/* + * This triggers the DRAM initialization. It performs sending the mode registers + * to the DRAM among other things. Very likely the ZQCL command is also getting + * executed (to do the initial impedance calibration on the DRAM side of the + * wire). The memory controller and the PHY must be already configured before + * calling this function. + */ +static void mctl_ddr3_initialize(void) +{ + struct sunxi_dram_reg *dram = (struct sunxi_dram_reg *)SUNXI_DRAMC_BASE; + setbits_le32(&dram->ccr, DRAM_CCR_INIT); + await_bits_clear(&dram->ccr, DRAM_CCR_INIT); +} + +/* + * Perform impedance calibration on the DRAM controller side of the wire. + */ +static void mctl_set_impedance(u32 zq, u32 odt_en) +{ + struct sunxi_dram_reg *dram = (struct sunxi_dram_reg *)SUNXI_DRAMC_BASE; + u32 reg_val; + u32 zprog = zq & 0xFF, zdata = (zq >> 8) & 0xFFFFF; + +#ifndef CONFIG_SUN7I + /* Appears that some kind of automatically initiated default + * ZQ calibration is already in progress at this point on sun4i/sun5i + * hardware, but not on sun7i. So it is reasonable to wait for its + * completion before doing anything else. */ + await_bits_set(&dram->zqsr, DRAM_ZQSR_ZDONE); +#endif + + /* ZQ calibration is not really useful unless ODT is enabled */ + if (!odt_en) + return; + +#ifdef CONFIG_SUN7I + /* Enabling ODT in SDR_IOCR on sun7i hardware results in a deadlock + * unless bit 24 is set in SDR_ZQCR1. Not much is known about the + * SDR_ZQCR1 register, but there are hints indicating that it might + * be related to periodic impedance re-calibration. This particular + * magic value is borrowed from the Allwinner boot0 bootloader, and + * using it helps to avoid troubles */ + writel((1 << 24) | (1 << 1), &dram->zqcr1); +#endif + + /* Needed at least for sun5i, because it does not self clear there */ + clrbits_le32(&dram->zqcr0, DRAM_ZQCR0_ZCAL); + + if (zdata) { + /* Set the user supplied impedance data */ + reg_val = DRAM_ZQCR0_ZDEN | zdata; + writel(reg_val, &dram->zqcr0); + /* no need to wait, this takes effect immediately */ + } else { + /* Do the calibration using the external resistor */ + reg_val = DRAM_ZQCR0_ZCAL | DRAM_ZQCR0_IMP_DIV(zprog); + writel(reg_val, &dram->zqcr0); + /* Wait for the new impedance configuration to settle */ + await_bits_set(&dram->zqsr, DRAM_ZQSR_ZDONE); + } + + /* Needed at least for sun5i, because it does not self clear there */ + clrbits_le32(&dram->zqcr0, DRAM_ZQCR0_ZCAL); + + /* Set I/O configure register */ + writel(DRAM_IOCR_ODT_EN(odt_en), &dram->iocr); +} + +static unsigned long dramc_init_helper(struct dram_para *para) { struct sunxi_dram_reg *dram = (struct sunxi_dram_reg *)SUNXI_DRAMC_BASE; u32 reg_val; u32 density; int ret_val; - /* check input dram parameter structure */ - if (!para) + /* + * only single rank DDR3 is supported by this code even though the + * hardware can theoretically support DDR2 and up to two ranks + */ + if (para->type != DRAM_MEMORY_TYPE_DDR3 || para->rank_num != 1) return 0; /* setup DRAM relative clock */ - mctl_setup_dram_clock(para->clock); + mctl_setup_dram_clock(para->clock, para->mbus_clock); -#ifdef CONFIG_SUN5I /* Disable any pad power save control */ - writel(0, &dram->ppwrsctl); -#endif + mctl_disable_power_save(); - /* reset external DRAM */ -#ifndef CONFIG_SUN7I - mctl_ddr3_reset(); -#endif mctl_set_drive(); /* dram clock off */ @@ -507,9 +606,7 @@ unsigned long dramc_init(struct dram_para *para) mctl_enable_dll0(para->tpr3); /* configure external DRAM */ - reg_val = 0x0; - if (para->type == DRAM_MEMORY_TYPE_DDR3) - reg_val |= DRAM_DCR_TYPE_DDR3; + reg_val = DRAM_DCR_TYPE_DDR3; reg_val |= DRAM_DCR_IO_WIDTH(para->io_width >> 3); if (para->density == 256) @@ -534,85 +631,41 @@ unsigned long dramc_init(struct dram_para *para) reg_val |= DRAM_DCR_MODE(DRAM_DCR_MODE_INTERLEAVE); writel(reg_val, &dram->dcr); -#ifdef CONFIG_SUN7I - setbits_le32(&dram->zqcr1, (0x1 << 24) | (0x1 << 1)); - if (para->tpr4 & 0x2) - clrsetbits_le32(&dram->zqcr1, (0x1 << 24), (0x1 << 1)); dramc_clock_output_en(1); -#endif -#if (defined(CONFIG_SUN5I) || defined(CONFIG_SUN7I)) - /* set odt impendance divide ratio */ - reg_val = ((para->zq) >> 8) & 0xfffff; - reg_val |= ((para->zq) & 0xff) << 20; - reg_val |= (para->zq) & 0xf0000000; - writel(reg_val, &dram->zqcr0); -#endif + mctl_set_impedance(para->zq, para->odt_en); -#ifdef CONFIG_SUN7I - /* Set CKE Delay to about 1ms */ - setbits_le32(&dram->idcr, 0x1ffff); -#endif + mctl_set_cke_delay(); -#ifdef CONFIG_SUN7I - if ((readl(&dram->ppwrsctl) & 0x1) != 0x1) - mctl_ddr3_reset(); - else - setbits_le32(&dram->mcr, DRAM_MCR_RESET); -#else - /* dram clock on */ - dramc_clock_output_en(1); -#endif + mctl_ddr3_reset(); udelay(1); - await_completion(&dram->ccr, DRAM_CCR_INIT); + await_bits_clear(&dram->ccr, DRAM_CCR_INIT); mctl_enable_dllx(para->tpr3); -#ifdef CONFIG_SUN4I - /* set odt impedance divide ratio */ - reg_val = ((para->zq) >> 8) & 0xfffff; - reg_val |= ((para->zq) & 0xff) << 20; - reg_val |= (para->zq) & 0xf0000000; - writel(reg_val, &dram->zqcr0); -#endif - -#ifdef CONFIG_SUN4I - /* set I/O configure register */ - reg_val = 0x00cc0000; - reg_val |= (para->odt_en) & 0x3; - reg_val |= ((para->odt_en) & 0x3) << 30; - writel(reg_val, &dram->iocr); -#endif - /* set refresh period */ - dramc_set_autorefresh_cycle(para->clock, para->type - 2, density); + dramc_set_autorefresh_cycle(para->clock, density); /* set timing parameters */ writel(para->tpr0, &dram->tpr0); writel(para->tpr1, &dram->tpr1); writel(para->tpr2, &dram->tpr2); - if (para->type == DRAM_MEMORY_TYPE_DDR3) { - reg_val = DRAM_MR_BURST_LENGTH(0x0); + reg_val = DRAM_MR_BURST_LENGTH(0x0); #if (defined(CONFIG_SUN5I) || defined(CONFIG_SUN7I)) - reg_val |= DRAM_MR_POWER_DOWN; + reg_val |= DRAM_MR_POWER_DOWN; #endif - reg_val |= DRAM_MR_CAS_LAT(para->cas - 4); - reg_val |= DRAM_MR_WRITE_RECOVERY(0x5); - } else if (para->type == DRAM_MEMORY_TYPE_DDR2) { - reg_val = DRAM_MR_BURST_LENGTH(0x2); - reg_val |= DRAM_MR_CAS_LAT(para->cas); - reg_val |= DRAM_MR_WRITE_RECOVERY(0x5); - } + reg_val |= DRAM_MR_CAS_LAT(para->cas - 4); + reg_val |= DRAM_MR_WRITE_RECOVERY(ddr3_write_recovery(para->clock)); writel(reg_val, &dram->mr); writel(para->emr1, &dram->emr); writel(para->emr2, &dram->emr2); writel(para->emr3, &dram->emr3); - /* set DQS window mode */ + /* disable drift compensation and set passive DQS window mode */ clrsetbits_le32(&dram->ccr, DRAM_CCR_DQS_DRIFT_COMP, DRAM_CCR_DQS_GATE); #ifdef CONFIG_SUN7I @@ -620,70 +673,78 @@ unsigned long dramc_init(struct dram_para *para) if (para->tpr4 & 0x1) setbits_le32(&dram->ccr, DRAM_CCR_COMMAND_RATE_1T); #endif - /* reset external DRAM */ - setbits_le32(&dram->ccr, DRAM_CCR_INIT); - await_completion(&dram->ccr, DRAM_CCR_INIT); + /* initialize external DRAM */ + mctl_ddr3_initialize(); -#ifdef CONFIG_SUN7I - /* setup zq calibration manual */ - reg_val = readl(&dram->ppwrsctl); - if ((reg_val & 0x1) == 1) { - /* super_standby_flag = 1 */ - - reg_val = readl(0x01c20c00 + 0x120); /* rtc */ - reg_val &= 0x000fffff; - reg_val |= 0x17b00000; - writel(reg_val, &dram->zqcr0); + /* scan read pipe value */ + mctl_itm_enable(); - /* exit self-refresh state */ - clrsetbits_le32(&dram->dcr, 0x1f << 27, 0x12 << 27); - /* check whether command has been executed */ - await_completion(&dram->dcr, 0x1 << 31); + /* Hardware DQS gate training */ + ret_val = dramc_scan_readpipe(); - udelay(2); + if (ret_val < 0) + return 0; - /* dram pad hold off */ - setbits_le32(&dram->ppwrsctl, 0x16510000); + /* allow to override the DQS training results with a custom delay */ + if (para->dqs_gating_delay) + mctl_set_dqs_gating_delay(0, para->dqs_gating_delay); - await_completion(&dram->ppwrsctl, 0x1); + /* set the DQS gating window type */ + if (para->active_windowing) + clrbits_le32(&dram->ccr, DRAM_CCR_DQS_GATE); + else + setbits_le32(&dram->ccr, DRAM_CCR_DQS_GATE); - /* exit self-refresh state */ - clrsetbits_le32(&dram->dcr, 0x1f << 27, 0x12 << 27); + mctl_itm_reset(); - /* check whether command has been executed */ - await_completion(&dram->dcr, 0x1 << 31); + /* configure all host port */ + mctl_configure_hostport(); - udelay(2); + return get_ram_size((long *)PHYS_SDRAM_0, PHYS_SDRAM_0_SIZE); +} - /* issue a refresh command */ - clrsetbits_le32(&dram->dcr, 0x1f << 27, 0x13 << 27); - await_completion(&dram->dcr, 0x1 << 31); +unsigned long dramc_init(struct dram_para *para) +{ + unsigned long dram_size, actual_density; - udelay(2); - } + /* If the dram configuration is not provided, use a default */ + if (!para) + return 0; + + /* if everything is known, then autodetection is not necessary */ + if (para->io_width && para->bus_width && para->density) + return dramc_init_helper(para); + + /* try to autodetect the DRAM bus width and density */ + para->io_width = 16; + para->bus_width = 32; +#if defined(CONFIG_SUN4I) || defined(CONFIG_SUN5I) + /* only A0-A14 address lines on A10/A13, limiting max density to 4096 */ + para->density = 4096; +#else + /* all A0-A15 address lines on A20, which allow density 8192 */ + para->density = 8192; #endif - /* scan read pipe value */ - mctl_itm_enable(); - if (para->tpr3 & (0x1 << 31)) { - ret_val = dramc_scan_dll_para(); - if (ret_val == 0) - para->tpr3 = - (((readl(&dram->dllcr[0]) >> 6) & 0x3f) << 16) | - (((readl(&dram->dllcr[1]) >> 14) & 0xf) << 0) | - (((readl(&dram->dllcr[2]) >> 14) & 0xf) << 4) | - (((readl(&dram->dllcr[3]) >> 14) & 0xf) << 8) | - (((readl(&dram->dllcr[4]) >> 14) & 0xf) << 12 - ); - } else { - ret_val = dramc_scan_readpipe(); + dram_size = dramc_init_helper(para); + if (!dram_size) { + /* if 32-bit bus width failed, try 16-bit bus width instead */ + para->bus_width = 16; + dram_size = dramc_init_helper(para); + if (!dram_size) { + /* if 16-bit bus width also failed, then bail out */ + return dram_size; + } } - if (ret_val < 0) - return 0; + /* check if we need to adjust the density */ + actual_density = (dram_size >> 17) * para->io_width / para->bus_width; - /* configure all host port */ - mctl_configure_hostport(); + if (actual_density != para->density) { + /* update the density and re-initialize DRAM again */ + para->density = actual_density; + dram_size = dramc_init_helper(para); + } - return get_ram_size((long *)PHYS_SDRAM_0, PHYS_SDRAM_0_SIZE); + return dram_size; } diff --git a/arch/arm/cpu/armv7/sunxi/psci.S b/arch/arm/cpu/armv7/sunxi/psci.S new file mode 100644 index 0000000000..0084c811f3 --- /dev/null +++ b/arch/arm/cpu/armv7/sunxi/psci.S @@ -0,0 +1,162 @@ +/* + * Copyright (C) 2013 - ARM Ltd + * Author: Marc Zyngier <marc.zyngier@arm.com> + * + * Based on code by Carl van Schaik <carl@ok-labs.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. + * + * This program 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. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <config.h> +#include <asm/psci.h> +#include <asm/arch/cpu.h> + +/* + * Memory layout: + * + * SECURE_RAM to text_end : + * ._secure_text section + * text_end to ALIGN_PAGE(text_end): + * nothing + * ALIGN_PAGE(text_end) to ALIGN_PAGE(text_end) + 0x1000) + * 1kB of stack per CPU (4 CPUs max). + */ + + .pushsection ._secure.text, "ax" + + .arch_extension sec + +#define ONE_MS (CONFIG_SYS_CLK_FREQ / 1000) +#define TEN_MS (10 * ONE_MS) + +.macro timer_wait reg, ticks + @ Program CNTP_TVAL + movw \reg, #(\ticks & 0xffff) + movt \reg, #(\ticks >> 16) + mcr p15, 0, \reg, c14, c2, 0 + isb + @ Enable physical timer, mask interrupt + mov \reg, #3 + mcr p15, 0, \reg, c14, c2, 1 + @ Poll physical timer until ISTATUS is on +1: isb + mrc p15, 0, \reg, c14, c2, 1 + ands \reg, \reg, #4 + bne 1b + @ Disable timer + mov \reg, #0 + mcr p15, 0, \reg, c14, c2, 1 + isb +.endm + +.globl psci_arch_init +psci_arch_init: + mrc p15, 0, r5, c1, c1, 0 @ Read SCR + bic r5, r5, #1 @ Secure mode + mcr p15, 0, r5, c1, c1, 0 @ Write SCR + isb + + mrc p15, 0, r4, c0, c0, 5 @ MPIDR + and r4, r4, #3 @ cpu number in cluster + mov r5, #400 @ 1kB of stack per CPU + mul r4, r4, r5 + + adr r5, text_end @ end of text + add r5, r5, #0x2000 @ Skip two pages + lsr r5, r5, #12 @ Align to start of page + lsl r5, r5, #12 + sub sp, r5, r4 @ here's our stack! + + bx lr + + @ r1 = target CPU + @ r2 = target PC +.globl psci_cpu_on +psci_cpu_on: + adr r0, _target_pc + str r2, [r0] + dsb + + movw r0, #(SUNXI_CPUCFG_BASE & 0xffff) + movt r0, #(SUNXI_CPUCFG_BASE >> 16) + + @ CPU mask + and r1, r1, #3 @ only care about first cluster + mov r4, #1 + lsl r4, r4, r1 + + adr r6, _sunxi_cpu_entry + str r6, [r0, #0x1a4] @ PRIVATE_REG (boot vector) + + @ Assert reset on target CPU + mov r6, #0 + lsl r5, r1, #6 @ 64 bytes per CPU + add r5, r5, #0x40 @ Offset from base + add r5, r5, r0 @ CPU control block + str r6, [r5] @ Reset CPU + + @ l1 invalidate + ldr r6, [r0, #0x184] + bic r6, r6, r4 + str r6, [r0, #0x184] + + @ Lock CPU + ldr r6, [r0, #0x1e4] + bic r6, r6, r4 + str r6, [r0, #0x1e4] + + @ Release power clamp + movw r6, #0x1ff + movt r6, #0 +1: lsrs r6, r6, #1 + str r6, [r0, #0x1b0] + bne 1b + + timer_wait r1, TEN_MS + + @ Clear power gating + ldr r6, [r0, #0x1b4] + bic r6, r6, #1 + str r6, [r0, #0x1b4] + + @ Deassert reset on target CPU + mov r6, #3 + str r6, [r5] + + @ Unlock CPU + ldr r6, [r0, #0x1e4] + orr r6, r6, r4 + str r6, [r0, #0x1e4] + + mov r0, #ARM_PSCI_RET_SUCCESS @ Return PSCI_RET_SUCCESS + mov pc, lr + +_target_pc: + .word 0 + +_sunxi_cpu_entry: + @ Set SMP bit + mrc p15, 0, r0, c1, c0, 1 + orr r0, r0, #0x40 + mcr p15, 0, r0, c1, c0, 1 + isb + + bl _nonsec_init + bl psci_arch_init + + adr r0, _target_pc + ldr r0, [r0] + b _do_nonsec_entry + +text_end: + .popsection diff --git a/arch/arm/cpu/armv7/tegra-common/Kconfig b/arch/arm/cpu/armv7/tegra-common/Kconfig new file mode 100644 index 0000000000..8e2153bb83 --- /dev/null +++ b/arch/arm/cpu/armv7/tegra-common/Kconfig @@ -0,0 +1,30 @@ +if TEGRA + +choice + prompt "Tegra SoC select" + +config TEGRA20 + bool "Tegra20 family" + +config TEGRA30 + bool "Tegra30 family" + +config TEGRA114 + bool "Tegra114 family" + +config TEGRA124 + bool "Tegra124 family" + +endchoice + +config SYS_CPU + string + default "arm720t" if SPL_BUILD + default "armv7" if !SPL_BUILD + +source "arch/arm/cpu/armv7/tegra20/Kconfig" +source "arch/arm/cpu/armv7/tegra30/Kconfig" +source "arch/arm/cpu/armv7/tegra114/Kconfig" +source "arch/arm/cpu/armv7/tegra124/Kconfig" + +endif diff --git a/arch/arm/cpu/armv7/tegra114/Kconfig b/arch/arm/cpu/armv7/tegra114/Kconfig new file mode 100644 index 0000000000..33a22da535 --- /dev/null +++ b/arch/arm/cpu/armv7/tegra114/Kconfig @@ -0,0 +1,17 @@ +if TEGRA114 + +choice + prompt "Tegra114 board select" + +config TARGET_DALMORE + bool "NVIDIA Tegra114 Dalmore evaluation board" + +endchoice + +config SYS_SOC + string + default "tegra114" + +source "board/nvidia/dalmore/Kconfig" + +endif diff --git a/arch/arm/cpu/armv7/tegra124/Kconfig b/arch/arm/cpu/armv7/tegra124/Kconfig new file mode 100644 index 0000000000..753f511eda --- /dev/null +++ b/arch/arm/cpu/armv7/tegra124/Kconfig @@ -0,0 +1,21 @@ +if TEGRA124 + +choice + prompt "Tegra124 board select" + +config TARGET_JETSON_TK1 + bool "NVIDIA Tegra124 Jetson TK1 board" + +config TARGET_VENICE2 + bool "NVIDIA Tegra124 Venice2" + +endchoice + +config SYS_SOC + string + default "tegra124" + +source "board/nvidia/jetson-tk1/Kconfig" +source "board/nvidia/venice2/Kconfig" + +endif diff --git a/arch/arm/cpu/armv7/tegra20/Kconfig b/arch/arm/cpu/armv7/tegra20/Kconfig new file mode 100644 index 0000000000..e2e08900b9 --- /dev/null +++ b/arch/arm/cpu/armv7/tegra20/Kconfig @@ -0,0 +1,53 @@ +if TEGRA20 + +choice + prompt "Tegra20 board select" + +config TARGET_HARMONY + bool "NVIDIA Tegra20 Harmony evaluation board" + +config TARGET_MEDCOM_WIDE + bool "Avionic Design Medcom-Wide board" + +config TARGET_PAZ00 + bool "Paz00 board" + +config TARGET_PLUTUX + bool "Avionic Design Plutux board" + +config TARGET_SEABOARD + bool "NVIDIA Seaboard" + +config TARGET_TEC + bool "Avionic Design Tamonten Evaluation Carrier" + +config TARGET_TRIMSLICE + bool "Compulab TrimSlice board" + +config TARGET_VENTANA + bool "NVIDIA Tegra20 Ventana evaluation board" + +config TARGET_WHISTLER + bool "NVIDIA Tegra20 Whistler evaluation board" + +config TARGET_COLIBRI_T20_IRIS + bool "Toradex Colibri T20 board" + +endchoice + +config SYS_SOC + string + default "tegra20" + +source "board/nvidia/harmony/Kconfig" +source "board/avionic-design/medcom-wide/Kconfig" +source "board/compal/paz00/Kconfig" +source "board/avionic-design/plutux/Kconfig" +source "board/nvidia/seaboard/Kconfig" +source "board/avionic-design/tec/Kconfig" +source "board/compulab/trimslice/Kconfig" +source "board/nvidia/ventana/Kconfig" +source "board/nvidia/whistler/Kconfig" +source "board/toradex/colibri_t20_iris/Kconfig" + +endif diff --git a/arch/arm/cpu/armv7/tegra30/Kconfig b/arch/arm/cpu/armv7/tegra30/Kconfig new file mode 100644 index 0000000000..694e1cd974 --- /dev/null +++ b/arch/arm/cpu/armv7/tegra30/Kconfig @@ -0,0 +1,29 @@ +if TEGRA30 + +choice + prompt "Tegra30 board select" + +config TARGET_BEAVER + bool "NVIDIA Tegra30 Beaver evaluation board" + +config TARGET_CARDHU + bool "NVIDIA Tegra30 Cardhu evaluation board" + +config TARGET_COLIBRI_T30 + bool "Toradex Colibri T30 board" + +config TARGET_TEC_NG + bool "Avionic Design TEC-NG board" + +endchoice + +config SYS_SOC + string + default "tegra30" + +source "board/nvidia/beaver/Kconfig" +source "board/nvidia/cardhu/Kconfig" +source "board/toradex/colibri_t30/Kconfig" +source "board/avionic-design/tec-ng/Kconfig" + +endif diff --git a/arch/arm/cpu/armv7/zynq/Kconfig b/arch/arm/cpu/armv7/zynq/Kconfig new file mode 100644 index 0000000000..6b88f1841b --- /dev/null +++ b/arch/arm/cpu/armv7/zynq/Kconfig @@ -0,0 +1,43 @@ +if ZYNQ + +choice + prompt "Xilinx Zynq board select" + +config TARGET_ZYNQ_ZED + bool "Zynq ZedBoard" + +config TARGET_ZYNQ_MICROZED + bool "Zynq MicroZed" + +config TARGET_ZYNQ_ZC70X + bool "Zynq ZC702/ZC706 Board" + +config TARGET_ZYNQ_ZC770 + bool "Zynq ZC770 Board" + +endchoice + +config SYS_CPU + string + default "armv7" + +config SYS_BOARD + string + default "zynq" + +config SYS_VENDOR + string + default "xilinx" + +config SYS_SOC + string + default "zynq" + +config SYS_CONFIG_NAME + string + default "zynq_zed" if TARGET_ZYNQ_ZED + default "zynq_microzed" if TARGET_ZYNQ_MICROZED + default "zynq_zc70x" if TARGET_ZYNQ_ZC70X + default "zynq_zc770" if TARGET_ZYNQ_ZC770 + +endif diff --git a/arch/arm/cpu/armv7/zynq/spl.c b/arch/arm/cpu/armv7/zynq/spl.c index d73e5cbaa7..9ff2ef2ae3 100644 --- a/arch/arm/cpu/armv7/zynq/spl.c +++ b/arch/arm/cpu/armv7/zynq/spl.c @@ -8,7 +8,7 @@ #include <asm/io.h> #include <asm/arch/hardware.h> -#include <asm/arch/spl.h> +#include <asm/spl.h> #include <asm/arch/sys_proto.h> DECLARE_GLOBAL_DATA_PTR; diff --git a/arch/arm/cpu/armv7/zynq/u-boot-spl.lds b/arch/arm/cpu/armv7/zynq/u-boot-spl.lds index 0c4501e5c7..0f2f756f83 100644 --- a/arch/arm/cpu/armv7/zynq/u-boot-spl.lds +++ b/arch/arm/cpu/armv7/zynq/u-boot-spl.lds @@ -22,6 +22,7 @@ SECTIONS .text : { __image_copy_start = .; + *(.vectors) CPUDIR/start.o (.text*) *(.text*) } > .sram diff --git a/arch/arm/cpu/at91-common/u-boot-spl.lds b/arch/arm/cpu/at91-common/u-boot-spl.lds index 57ac1eb242..eccca43a42 100644 --- a/arch/arm/cpu/at91-common/u-boot-spl.lds +++ b/arch/arm/cpu/at91-common/u-boot-spl.lds @@ -25,6 +25,7 @@ SECTIONS .text : { __start = .; + *(.vectors) arch/arm/cpu/armv7/start.o (.text*) *(.text*) } >.sram diff --git a/arch/arm/cpu/tegra-common/Makefile b/arch/arm/cpu/tegra-common/Makefile index 892556e644..a18c318739 100644 --- a/arch/arm/cpu/tegra-common/Makefile +++ b/arch/arm/cpu/tegra-common/Makefile @@ -14,3 +14,4 @@ obj-y += clock.o obj-y += lowlevel_init.o obj-y += pinmux-common.o obj-$(CONFIG_DISPLAY_CPUINFO) += sys_info.o +obj-$(CONFIG_TEGRA124) += vpr.o diff --git a/arch/arm/cpu/tegra-common/ap.c b/arch/arm/cpu/tegra-common/ap.c index 91d70da656..a17dfd1e22 100644 --- a/arch/arm/cpu/tegra-common/ap.c +++ b/arch/arm/cpu/tegra-common/ap.c @@ -163,4 +163,7 @@ void s_init(void) /* init the cache */ config_cache(); + + /* init vpr */ + config_vpr(); } diff --git a/arch/arm/cpu/tegra-common/board.c b/arch/arm/cpu/tegra-common/board.c index 6a6faf4b27..433da09d10 100644 --- a/arch/arm/cpu/tegra-common/board.c +++ b/arch/arm/cpu/tegra-common/board.c @@ -27,11 +27,12 @@ enum { UART_COUNT = 5, }; +#if defined(CONFIG_TEGRA20) || defined(CONFIG_TEGRA30) || \ + defined(CONFIG_TEGRA114) /* * Boot ROM initializes the odmdata in APBDEV_PMC_SCRATCH20_0, * so we are using this value to identify memory size. */ - unsigned int query_sdram_size(void) { struct pmc_ctlr *const pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE; @@ -72,6 +73,21 @@ unsigned int query_sdram_size(void) } #endif } +#else +#include <asm/arch/mc.h> + +/* Read the RAM size directly from the memory controller */ +unsigned int query_sdram_size(void) +{ + struct mc_ctlr *const mc = (struct mc_ctlr *)NV_PA_MC_BASE; + u32 size_mb; + + size_mb = readl(&mc->mc_emem_cfg); + debug("mc->mc_emem_cfg (MEM_SIZE_MB) = 0x%08x\n", size_mb); + + return size_mb * 1024 * 1024; +} +#endif int dram_init(void) { diff --git a/arch/arm/cpu/tegra-common/vpr.c b/arch/arm/cpu/tegra-common/vpr.c new file mode 100644 index 0000000000..f695811c9b --- /dev/null +++ b/arch/arm/cpu/tegra-common/vpr.c @@ -0,0 +1,35 @@ +/* + * Copyright (c) 2014, NVIDIA CORPORATION. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope 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. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +/* Tegra vpr routines */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/tegra.h> +#include <asm/arch/mc.h> + +/* Configures VPR. Right now, all we do is turn it off. */ +void config_vpr(void) +{ + struct mc_ctlr *mc = (struct mc_ctlr *)NV_PA_MC_BASE; + + /* Turn VPR off */ + writel(0, &mc->mc_video_protect_size_mb); + writel(TEGRA_MC_VIDEO_PROTECT_REG_WRITE_ACCESS_DISABLED, + &mc->mc_video_protect_reg_ctrl); + /* read back to ensure the write went through */ + readl(&mc->mc_video_protect_reg_ctrl); +} |