diff options
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arm/dts/Makefile | 3 | ||||
-rw-r--r-- | arch/arm/dts/dragonboard820c.dts | 65 | ||||
-rw-r--r-- | arch/arm/mach-snapdragon/Kconfig | 10 | ||||
-rw-r--r-- | arch/arm/mach-snapdragon/Makefile | 2 | ||||
-rw-r--r-- | arch/arm/mach-snapdragon/clock-apq8096.c | 62 | ||||
-rw-r--r-- | arch/arm/mach-snapdragon/include/mach/sysmap-apq8096.h | 29 | ||||
-rw-r--r-- | arch/arm/mach-snapdragon/sysmap-apq8096.c | 32 |
7 files changed, 202 insertions, 1 deletions
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile index bbc4f476d0..ee78cdd8dc 100644 --- a/arch/arm/dts/Makefile +++ b/arch/arm/dts/Makefile @@ -211,7 +211,8 @@ dtb-$(CONFIG_FSL_LSCH2) += fsl-ls1043a-qds-duart.dtb \ fsl-ls1012a-rdb.dtb \ fsl-ls1012a-frdm.dtb -dtb-$(CONFIG_ARCH_SNAPDRAGON) += dragonboard410c.dtb +dtb-$(CONFIG_TARGET_DRAGONBOARD410C) += dragonboard410c.dtb +dtb-$(CONFIG_TARGET_DRAGONBOARD820C) += dragonboard820c.dtb dtb-$(CONFIG_STM32F4) += stm32f429-disco.dtb \ stm32f469-disco.dtb diff --git a/arch/arm/dts/dragonboard820c.dts b/arch/arm/dts/dragonboard820c.dts new file mode 100644 index 0000000000..2d49830e77 --- /dev/null +++ b/arch/arm/dts/dragonboard820c.dts @@ -0,0 +1,65 @@ +/* + * Qualcomm APQ8096 based Dragonboard 820C board device tree source + * + * (C) Copyright 2017 Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +/dts-v1/; + +#include "skeleton64.dtsi" + +/ { + model = "Qualcomm Technologies, Inc. DB820c"; + compatible = "arrow,apq8096-db820c", "qcom,apq8096-sbc"; + #address-cells = <2>; + #size-cells = <2>; + + aliases { + serial0 = &blsp2_uart1; + }; + + chosen { + stdout-path = "serial0:115200n8"; + }; + + memory { + device_type = "memory"; + reg = <0 0x80000000 0 0xc0000000>; + }; + + psci { + compatible = "arm,psci-1.0"; + method = "smc"; + }; + + soc: soc { + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0 0 0xffffffff>; + compatible = "simple-bus"; + + gcc: clock-controller@300000 { + compatible = "qcom,gcc-msm8996"; + #clock-cells = <1>; + #reset-cells = <1>; + #power-domain-cells = <1>; + reg = <0x300000 0x90000>; + }; + + blsp2_uart1: serial@75b0000 { + compatible = "qcom,msm-uartdm-v1.4", "qcom,msm-uartdm"; + reg = <0x75b0000 0x1000>; + }; + + sdhc2: sdhci@74a4900 { + compatible = "qcom,sdhci-msm-v4"; + reg = <0x74a4900 0x314>, <0x74a4000 0x800>; + index = <0x0>; + bus-width = <4>; + clock = <&gcc 0>; + clock-frequency = <200000000>; + }; + }; +}; diff --git a/arch/arm/mach-snapdragon/Kconfig b/arch/arm/mach-snapdragon/Kconfig index dc7ba21c18..d55dc1aaa1 100644 --- a/arch/arm/mach-snapdragon/Kconfig +++ b/arch/arm/mach-snapdragon/Kconfig @@ -19,8 +19,18 @@ config TARGET_DRAGONBOARD410C - HDMI - 20-pin low speed and 40-pin high speed expanders, 4 LED, 3 buttons +config TARGET_DRAGONBOARD820C + bool "96Boards Dragonboard 820C" + help + Support for 96Boards Dragonboard 820C. This board complies with + 96Board Open Platform Specifications. Features: + - Qualcomm Snapdragon 820C SoC - APQ8096 (4xKyro CPU) + - 3GiB RAM + - 32GiB UFS drive + endchoice source "board/qualcomm/dragonboard410c/Kconfig" +source "board/qualcomm/dragonboard820c/Kconfig" endif diff --git a/arch/arm/mach-snapdragon/Makefile b/arch/arm/mach-snapdragon/Makefile index d798b82f07..090c355b6b 100644 --- a/arch/arm/mach-snapdragon/Makefile +++ b/arch/arm/mach-snapdragon/Makefile @@ -4,6 +4,8 @@ # SPDX-License-Identifier: GPL-2.0+ # +obj-$(CONFIG_TARGET_DRAGONBOARD820C) += clock-apq8096.o +obj-$(CONFIG_TARGET_DRAGONBOARD820C) += sysmap-apq8096.o obj-$(CONFIG_TARGET_DRAGONBOARD410C) += clock-apq8016.o obj-$(CONFIG_TARGET_DRAGONBOARD410C) += sysmap-apq8016.o obj-y += clock-snapdragon.o diff --git a/arch/arm/mach-snapdragon/clock-apq8096.c b/arch/arm/mach-snapdragon/clock-apq8096.c new file mode 100644 index 0000000000..3d363d4d66 --- /dev/null +++ b/arch/arm/mach-snapdragon/clock-apq8096.c @@ -0,0 +1,62 @@ +/* + * Clock drivers for Qualcomm APQ8096 + * + * (C) Copyright 2017 Jorge Ramirez Ortiz <jorge.ramirez-ortiz@linaro.org> + * + * Based on Little Kernel driver, simplified + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <common.h> +#include <clk-uclass.h> +#include <dm.h> +#include <errno.h> +#include <asm/io.h> +#include <linux/bitops.h> +#include "clock-snapdragon.h" + +/* GPLL0 clock control registers */ +#define GPLL0_STATUS_ACTIVE BIT(30) +#define APCS_GPLL_ENA_VOTE_GPLL0 BIT(0) + +static const struct bcr_regs sdc_regs = { + .cfg_rcgr = SDCC2_CFG_RCGR, + .cmd_rcgr = SDCC2_CMD_RCGR, + .M = SDCC2_M, + .N = SDCC2_N, + .D = SDCC2_D, +}; + +static const struct gpll0_ctrl gpll0_ctrl = { + .status = GPLL0_STATUS, + .status_bit = GPLL0_STATUS_ACTIVE, + .ena_vote = APCS_GPLL_ENA_VOTE, + .vote_bit = APCS_GPLL_ENA_VOTE_GPLL0, +}; + +static int clk_init_sdc(struct msm_clk_priv *priv, uint rate) +{ + int div = 3; + + clk_enable_cbc(priv->base + SDCC2_AHB_CBCR); + clk_rcg_set_rate_mnd(priv->base, &sdc_regs, div, 0, 0, + CFG_CLK_SRC_GPLL0); + clk_enable_gpll0(priv->base, &gpll0_ctrl); + clk_enable_cbc(priv->base + SDCC2_APPS_CBCR); + + return rate; +} + +ulong msm_set_rate(struct clk *clk, ulong rate) +{ + struct msm_clk_priv *priv = dev_get_priv(clk->dev); + + switch (clk->id) { + case 0: /* SDC1 */ + return clk_init_sdc(priv, rate); + break; + default: + return 0; + } +} diff --git a/arch/arm/mach-snapdragon/include/mach/sysmap-apq8096.h b/arch/arm/mach-snapdragon/include/mach/sysmap-apq8096.h new file mode 100644 index 0000000000..fb89de258d --- /dev/null +++ b/arch/arm/mach-snapdragon/include/mach/sysmap-apq8096.h @@ -0,0 +1,29 @@ +/* + * Qualcomm APQ8096 sysmap + * + * (C) Copyright 2017 Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org> + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#ifndef _MACH_SYSMAP_APQ8096_H +#define _MACH_SYSMAP_APQ8096_H + +#define TLMM_BASE_ADDR (0x1010000) + +/* Strength (sdc1) */ +#define SDC1_HDRV_PULL_CTL_REG (TLMM_BASE_ADDR + 0x0012D000) + +/* Clocks: (from CLK_CTL_BASE) */ +#define GPLL0_STATUS (0x0000) +#define APCS_GPLL_ENA_VOTE (0x52000) + +#define SDCC2_BCR (0x14000) /* block reset */ +#define SDCC2_APPS_CBCR (0x14004) /* branch control */ +#define SDCC2_AHB_CBCR (0x14008) +#define SDCC2_CMD_RCGR (0x14010) +#define SDCC2_CFG_RCGR (0x14014) +#define SDCC2_M (0x14018) +#define SDCC2_N (0x1401C) +#define SDCC2_D (0x14020) + +#endif diff --git a/arch/arm/mach-snapdragon/sysmap-apq8096.c b/arch/arm/mach-snapdragon/sysmap-apq8096.c new file mode 100644 index 0000000000..cb6d1e475b --- /dev/null +++ b/arch/arm/mach-snapdragon/sysmap-apq8096.c @@ -0,0 +1,32 @@ +/* + * Qualcomm APQ8096 memory map + * + * (C) Copyright 2017 Jorge Ramirez Ortiz <jorge.ramirez-ortiz@linaro.org> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/armv8/mmu.h> + +static struct mm_region apq8096_mem_map[] = { + { + .virt = 0x0UL, /* Peripheral block */ + .phys = 0x0UL, /* Peripheral block */ + .size = 0x10000000UL, + .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | + PTE_BLOCK_NON_SHARE | + PTE_BLOCK_PXN | PTE_BLOCK_UXN + }, { + .virt = 0x80000000UL, /* DDR */ + .phys = 0x80000000UL, /* DDR */ + .size = 0xC0000000UL, + .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | + PTE_BLOCK_INNER_SHARE + }, { + /* List terminator */ + 0, + } +}; + +struct mm_region *mem_map = apq8096_mem_map; |