From: Dzmitry Sankouski dsankouski@gmail.com
Hi-end qualcomm chip, introduced in late 2017. Mostly used in flagship phones and tablets of 2018. Features: - arm64 arch - total of 8 Kryo 385 Gold / Silver cores - Hexagon 685 DSP - Adreno 630 GPU
Tested only as second-stage bootloader.
Signed-off-by: Dzmitry Sankouski dsankouski@gmail.com Cc: Ramon Fried rfried.dev@gmail.com Cc: Tom Rini trini@konsulko.com --- arch/arm/dts/sdm845.dtsi | 118 ++++++++++++++++++ arch/arm/mach-snapdragon/Kconfig | 4 + arch/arm/mach-snapdragon/Makefile | 4 + .../include/mach/sysmap-sdm845.h | 42 +++++++ arch/arm/mach-snapdragon/init_sdm845.c | 82 ++++++++++++ arch/arm/mach-snapdragon/sysmap-sdm845.c | 31 +++++ include/configs/sdm845.h | 33 +++++ 7 files changed, 314 insertions(+) create mode 100644 arch/arm/dts/sdm845.dtsi create mode 100644 arch/arm/mach-snapdragon/include/mach/sysmap-sdm845.h create mode 100644 arch/arm/mach-snapdragon/init_sdm845.c create mode 100644 arch/arm/mach-snapdragon/sysmap-sdm845.c create mode 100644 include/configs/sdm845.h
diff --git a/arch/arm/dts/sdm845.dtsi b/arch/arm/dts/sdm845.dtsi new file mode 100644 index 0000000000..bf32c6995d --- /dev/null +++ b/arch/arm/dts/sdm845.dtsi @@ -0,0 +1,118 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Qualcomm SDM845 chip device tree source + * + * (C) Copyright 2021 Dzmitry Sankouski dsankouski@gmail.com + * + */ + +/dts-v1/; + +#include "skeleton64.dtsi" + +/ { + soc: soc { + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0 0 0xffffffff>; + compatible = "simple-bus"; + + gcc: clock-controller@100000 { + u-boot,dm-pre-reloc; + compatible = "qcom,gcc-sdm845"; + reg = <0x00100000 0x1f0000>; + #clock-cells = <1>; + #reset-cells = <1>; + #power-domain-cells = <1>; + }; + + gpio_north: gpio_north@3900000 { + u-boot,dm-pre-reloc; + #gpio-cells = <2>; + compatible = "qcom,sdm845-pinctrl"; + reg = <0x3900000 0x400000>; + gpio-count = <150>; + gpio-controller; + gpio-ranges = <&gpio_north 0 0 150>; + gpio-bank-name = "soc_north."; + }; + + tlmm_north: pinctrl_north@3900000 { + u-boot,dm-pre-reloc; + compatible = "qcom,tlmm-sdm845"; + reg = <0x03900000 0x400000>; + gpio-count = <150>; + gpio-controller; + #gpio-cells = <2>; + gpio-ranges = <&tlmm_north 0 0 150>; + + /* DEBUG UART */ + qup_uart9: qup-uart9-default { + pinmux { + pins = "GPIO_4", "GPIO_5"; + function = "qup9"; + }; + }; + }; + + debug_uart: serial@0xa84000 { + compatible = "qcom,msm-geni-uart"; + reg = <0xa84000 0x4000>; + reg-names = "se_phys"; + clock-names = "se-clk"; + clocks = <&gcc 0x58>; + pinctrl-names = "default"; + pinctrl-0 = <&qup_uart9>; + qcom,wrapper-core = <0x8a>; + status = "disabled"; + }; + + spmi@c440000 { + compatible = "qcom,spmi-pmic-arb"; + reg = <0xc440000 0x1100>, + <0xc600000 0x2000000>, + <0xe600000 0x100000>; + reg-names = "cnfg", "core", "obsrvr"; + #address-cells = <0x1>; + #size-cells = <0x1>; + + qcom,revid@100 { + compatible = "qcom,qpnp-revid"; + reg = <0x100 0x100>; + linux,phandle = <0x3ac>; + phandle = <0x3ac>; + }; + + pmic0: pm8998@0 { + compatible = "qcom,spmi-pmic"; + reg = <0x0 0x1>; + #address-cells = <0x1>; + #size-cells = <0x1>; + + pm8998_pon: pm8998_pon@800 { + compatible = "qcom,pm8998-pwrkey"; + reg = <0x800 0x100>; + #gpio-cells = <2>; + gpio-controller; + gpio-bank-name="pm8998_key."; + }; + + pm8998_gpios: pm8998_gpios@c000 { + compatible = "qcom,pm8998-gpio"; + reg = <0xc000 0x1a00>; + gpio-controller; + gpio-count = <21>; + #gpio-cells = <2>; + gpio-bank-name="pm8998."; + }; + }; + + pmic1: pm8998@1 { + compatible = "qcom,spmi-pmic"; + reg = <0x1 0x0>; + #address-cells = <0x2>; + #size-cells = <0x0>; + }; + }; + }; +}; diff --git a/arch/arm/mach-snapdragon/Kconfig b/arch/arm/mach-snapdragon/Kconfig index 0ec74fa5d3..1a6a608967 100644 --- a/arch/arm/mach-snapdragon/Kconfig +++ b/arch/arm/mach-snapdragon/Kconfig @@ -9,6 +9,10 @@ config SYS_MALLOC_F_LEN config SPL_SYS_MALLOC_F_LEN default 0x2000
+config SDM845 + bool "Qualcomm Snapdragon 845 SoC" + default n + choice prompt "Snapdragon board select"
diff --git a/arch/arm/mach-snapdragon/Makefile b/arch/arm/mach-snapdragon/Makefile index 709919fce4..962855eb8c 100644 --- a/arch/arm/mach-snapdragon/Makefile +++ b/arch/arm/mach-snapdragon/Makefile @@ -2,6 +2,9 @@ # # (C) Copyright 2015 Mateusz Kulikowski mateusz.kulikowski@gmail.com
+obj-$(CONFIG_SDM845) += clock-sdm845.o +obj-$(CONFIG_SDM845) += sysmap-sdm845.o +obj-$(CONFIG_SDM845) += init_sdm845.o obj-$(CONFIG_TARGET_DRAGONBOARD820C) += clock-apq8096.o obj-$(CONFIG_TARGET_DRAGONBOARD820C) += sysmap-apq8096.o obj-$(CONFIG_TARGET_DRAGONBOARD410C) += clock-apq8016.o @@ -12,3 +15,4 @@ obj-y += dram.o obj-y += pinctrl-snapdragon.o obj-y += pinctrl-apq8016.o obj-y += pinctrl-apq8096.o +obj-$(CONFIG_SDM845) += pinctrl-sdm845.o diff --git a/arch/arm/mach-snapdragon/include/mach/sysmap-sdm845.h b/arch/arm/mach-snapdragon/include/mach/sysmap-sdm845.h new file mode 100644 index 0000000000..7165985bcd --- /dev/null +++ b/arch/arm/mach-snapdragon/include/mach/sysmap-sdm845.h @@ -0,0 +1,42 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Qualcomm SDM845 sysmap + * + * (C) Copyright 2021 Dzmitry Sankouski dsankouski@gmail.com + */ +#ifndef _MACH_SYSMAP_SDM845_H +#define _MACH_SYSMAP_SDM845_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 APCS_CLOCK_BRANCH_ENA_VOTE (0x52004) + +#define SDCC2_BCR (0x14000) /* block reset */ +#define SDCC2_APPS_CBCR (0x14004) /* branch control */ +#define SDCC2_AHB_CBCR (0x14008) +#define SDCC2_CMD_RCGR (0x1400c) +#define SDCC2_CFG_RCGR (0x14010) +#define SDCC2_M (0x14014) +#define SDCC2_N (0x14018) +#define SDCC2_D (0x1401C) + +#define RCG2_CFG_REG 0x4 +#define M_REG 0x8 +#define N_REG 0xc +#define D_REG 0x10 + +#define SE9_AHB_CBCR (0x25004) +#define SE9_UART_APPS_CBCR (0x29004) +#define SE9_UART_APPS_CMD_RCGR (0x18148) +#define SE9_UART_APPS_CFG_RCGR (0x1814C) +#define SE9_UART_APPS_M (0x18150) +#define SE9_UART_APPS_N (0x18154) +#define SE9_UART_APPS_D (0x18158) + +#endif diff --git a/arch/arm/mach-snapdragon/init_sdm845.c b/arch/arm/mach-snapdragon/init_sdm845.c new file mode 100644 index 0000000000..5f53c21947 --- /dev/null +++ b/arch/arm/mach-snapdragon/init_sdm845.c @@ -0,0 +1,82 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Common init part for boards based on SDM845 + * + * (C) Copyright 2021 Dzmitry Sankouski dsankouski@gmail.com + */ + +#include <init.h> +#include <env.h> +#include <common.h> +#include <asm/system.h> +#include <asm/gpio.h> +#include <dm.h> + +DECLARE_GLOBAL_DATA_PTR; + +int dram_init(void) +{ + return fdtdec_setup_mem_size_base(); +} + +void reset_cpu(void) +{ + psci_system_reset(); +} + +__weak int board_init(void) +{ + return 0; +} + +/* Check for vol- and power buttons */ +__weak int misc_init_r(void) +{ + struct udevice *pon; + struct gpio_desc resin; + int node, ret; + + ret = uclass_get_device_by_name(UCLASS_GPIO, "pm8998_pon@800", &pon); + if (ret < 0) { + printf("Failed to find PMIC pon node. Check device tree\n"); + return 0; + } + + node = fdt_subnode_offset(gd->fdt_blob, dev_of_offset(pon), + "key_vol_down"); + if (node < 0) { + printf("Failed to find key_vol_down node. Check device tree\n"); + return 0; + } + if (gpio_request_by_name_nodev(offset_to_ofnode(node), "gpios", 0, + &resin, 0)) { + printf("Failed to request key_vol_down button.\n"); + return 0; + } + if (dm_gpio_get_value(&resin)) { + env_set("key_vol_down", "1"); + printf("Volume down button pressed\n"); + } else { + env_set("key_vol_down", "0"); + } + + node = fdt_subnode_offset(gd->fdt_blob, dev_of_offset(pon), + "key_power"); + if (node < 0) { + printf("Failed to find key_power node. Check device tree\n"); + return 0; + } + if (gpio_request_by_name_nodev(offset_to_ofnode(node), "gpios", 0, + &resin, 0)) { + printf("Failed to request key_power button.\n"); + return 0; + } + if (dm_gpio_get_value(&resin)) { + env_set("key_power", "1"); + printf("Power button pressed\n"); + } else { + env_set("key_power", "0"); + } + + return 0; +} diff --git a/arch/arm/mach-snapdragon/sysmap-sdm845.c b/arch/arm/mach-snapdragon/sysmap-sdm845.c new file mode 100644 index 0000000000..721ac41166 --- /dev/null +++ b/arch/arm/mach-snapdragon/sysmap-sdm845.c @@ -0,0 +1,31 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Qualcomm SDM845 memory map + * + * (C) Copyright 2021 Dzmitry Sankouski dsankousk@gmail.com + */ + +#include <common.h> +#include <asm/armv8/mmu.h> + +static struct mm_region sdm845_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 = 0x200000000UL, /* 8GiB - maximum allowed memory */ + .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | + PTE_BLOCK_INNER_SHARE + }, { + /* List terminator */ + 0, + } +}; + +struct mm_region *mem_map = sdm845_mem_map; diff --git a/include/configs/sdm845.h b/include/configs/sdm845.h new file mode 100644 index 0000000000..c77d0acac6 --- /dev/null +++ b/include/configs/sdm845.h @@ -0,0 +1,33 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Configuration file for boards, based on Qualcomm SDM845 chip + * + * (C) Copyright 2021 Dzmitry Sankouski dsankouski@gmail.com + */ + +#ifndef __CONFIGS_SDM845_H +#define __CONFIGS_SDM845_H + +#include <linux/sizes.h> +#include <asm/arch/sysmap-sdm845.h> + +#define CONFIG_SYS_LOAD_ADDR 0x80000000 +#define CONFIG_SYS_BAUDRATE_TABLE { 115200, 230400, 460800, 921600 } + +/* Generic Timer Definitions */ +#define COUNTER_FREQUENCY 19000000 + +#define EXTRA_ENV_SETTINGS \ + +#define CONFIG_EXTRA_ENV_SETTINGS \ + "loadaddr=0x80000000\0" + +/* Size of malloc() pool */ +#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + SZ_8M) +#define CONFIG_SYS_BOOTM_LEN SZ_64M + +/* Monitor Command Prompt */ +#define CONFIG_SYS_CBSIZE 512 +#define CONFIG_SYS_MAXARGS 64 + +#endif