SoC: qcom: add support for SDM845

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>
Cc: Stephan Gerhold <stephan@gerhold.net>
This commit is contained in:
Dzmitry Sankouski 2021-10-17 13:44:31 +03:00 committed by Tom Rini
parent 90496afc27
commit 4cbc16ceb2
7 changed files with 312 additions and 0 deletions

116
arch/arm/dts/sdm845.dtsi Normal file
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@ -0,0 +1,116 @@
// 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 = <0x100000 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 = <0x3900000 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@a84000 {
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>;
};
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>;
};
};
};
};

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@ -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"

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@ -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

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@ -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

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@ -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;
}

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// 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;

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include/configs/sdm845.h Normal file
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/* 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