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lede/package/boot/uboot-rockchip/patches/402-arch-arm-rockchip-Add-initial-support-for-RK3528.patch
aiamadeus ebbde708c8 uboot-rockchip: bump to 2025.04
2025-04-15 20:00:20 +08:00

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From f6c7b9632a51e6c29a8be4e4e6d137a511fbf3fb Mon Sep 17 00:00:00 2001
From: Jonas Karlman <jonas@kwiboo.se>
Date: Thu, 23 Jan 2025 22:48:14 +0000
Subject: [PATCH 2/9] arch: arm: rockchip: Add initial support for RK3528
Rockchip RK3528 is a ARM-based SoC with quad-core Cortex-A53.
Add initial arch support for the RK3528 SoC.
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
---
arch/arm/include/asm/arch-rk3528/boot0.h | 9 ++
arch/arm/include/asm/arch-rk3528/gpio.h | 9 ++
arch/arm/mach-rockchip/Kconfig | 50 +++++++
arch/arm/mach-rockchip/Makefile | 1 +
arch/arm/mach-rockchip/rk3528/Kconfig | 15 ++
arch/arm/mach-rockchip/rk3528/Makefile | 4 +
arch/arm/mach-rockchip/rk3528/rk3528.c | 137 ++++++++++++++++++
arch/arm/mach-rockchip/rk3528/syscon_rk3528.c | 19 +++
drivers/usb/gadget/Kconfig | 1 +
include/configs/rk3528_common.h | 42 ++++++
10 files changed, 287 insertions(+)
create mode 100644 arch/arm/include/asm/arch-rk3528/boot0.h
create mode 100644 arch/arm/include/asm/arch-rk3528/gpio.h
create mode 100644 arch/arm/mach-rockchip/rk3528/Kconfig
create mode 100644 arch/arm/mach-rockchip/rk3528/Makefile
create mode 100644 arch/arm/mach-rockchip/rk3528/rk3528.c
create mode 100644 arch/arm/mach-rockchip/rk3528/syscon_rk3528.c
create mode 100644 include/configs/rk3528_common.h
--- /dev/null
+++ b/arch/arm/include/asm/arch-rk3528/boot0.h
@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/* Copyright Contributors to the U-Boot project. */
+
+#ifndef __ASM_ARCH_BOOT0_H__
+#define __ASM_ARCH_BOOT0_H__
+
+#include <asm/arch-rockchip/boot0.h>
+
+#endif
--- /dev/null
+++ b/arch/arm/include/asm/arch-rk3528/gpio.h
@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/* Copyright Contributors to the U-Boot project. */
+
+#ifndef __ASM_ARCH_GPIO_H__
+#define __ASM_ARCH_GPIO_H__
+
+#include <asm/arch-rockchip/gpio.h>
+
+#endif
--- a/arch/arm/mach-rockchip/Kconfig
+++ b/arch/arm/mach-rockchip/Kconfig
@@ -312,6 +312,55 @@ config ROCKCHIP_RK3399
and video codec support. Peripherals include Gigabit Ethernet,
USB2 host and OTG, SDIO, I2S, UARTs, SPI, I2C and PWMs.
+config ROCKCHIP_RK3528
+ bool "Support Rockchip RK3528"
+ select ARM64
+ select SUPPORT_SPL
+ select SPL
+ select CLK
+ select PINCTRL
+ select RAM
+ select REGMAP
+ select SYSCON
+ select BOARD_LATE_INIT
+ select DM_REGULATOR_FIXED
+ select DM_RESET
+ imply ARMV8_CRYPTO
+ imply ARMV8_SET_SMPEN
+ imply BOOTSTD_FULL
+ imply DM_RNG
+ imply FIT
+ imply LEGACY_IMAGE_FORMAT
+ imply MISC
+ imply MISC_INIT_R
+ imply MMC_HS200_SUPPORT if MMC_SDHCI_ROCKCHIP
+ imply OF_LIBFDT_OVERLAY
+ imply OF_LIVE
+ imply OF_UPSTREAM
+ imply PHY_GIGE if DWC_ETH_QOS_ROCKCHIP
+ imply RNG_ROCKCHIP
+ imply ROCKCHIP_COMMON_BOARD
+ imply ROCKCHIP_COMMON_STACK_ADDR
+ imply ROCKCHIP_EXTERNAL_TPL
+ imply ROCKCHIP_OTP
+ imply SPL_ATF
+ imply SPL_ATF_NO_PLATFORM_PARAM if SPL_ATF
+ imply SPL_CLK
+ imply SPL_DM_SEQ_ALIAS
+ imply SPL_FIT_SIGNATURE
+ imply SPL_LOAD_FIT
+ imply SPL_MMC_HS200_SUPPORT if SPL_MMC && MMC_HS200_SUPPORT
+ imply SPL_OF_CONTROL
+ imply SPL_PINCTRL
+ imply SPL_RAM
+ imply SPL_REGMAP
+ imply SPL_SERIAL
+ imply SPL_SYSCON
+ imply SYS_RELOC_GD_ENV_ADDR
+ imply SYSRESET
+ help
+ The Rockchip RK3528 is a ARM-based SoC with quad-core Cortex-A53.
+
config ROCKCHIP_RK3568
bool "Support Rockchip RK3568"
select ARM64
@@ -629,6 +678,7 @@ source "arch/arm/mach-rockchip/rk3308/Kc
source "arch/arm/mach-rockchip/rk3328/Kconfig"
source "arch/arm/mach-rockchip/rk3368/Kconfig"
source "arch/arm/mach-rockchip/rk3399/Kconfig"
+source "arch/arm/mach-rockchip/rk3528/Kconfig"
source "arch/arm/mach-rockchip/rk3568/Kconfig"
source "arch/arm/mach-rockchip/rk3588/Kconfig"
source "arch/arm/mach-rockchip/rv1108/Kconfig"
--- a/arch/arm/mach-rockchip/Makefile
+++ b/arch/arm/mach-rockchip/Makefile
@@ -42,6 +42,7 @@ obj-$(CONFIG_ROCKCHIP_RK3308) += rk3308/
obj-$(CONFIG_ROCKCHIP_RK3328) += rk3328/
obj-$(CONFIG_ROCKCHIP_RK3368) += rk3368/
obj-$(CONFIG_ROCKCHIP_RK3399) += rk3399/
+obj-$(CONFIG_ROCKCHIP_RK3528) += rk3528/
obj-$(CONFIG_ROCKCHIP_RK3568) += rk3568/
obj-$(CONFIG_ROCKCHIP_RK3588) += rk3588/
obj-$(CONFIG_ROCKCHIP_RV1108) += rv1108/
--- /dev/null
+++ b/arch/arm/mach-rockchip/rk3528/Kconfig
@@ -0,0 +1,15 @@
+if ROCKCHIP_RK3528
+
+config ROCKCHIP_BOOT_MODE_REG
+ default 0xff370200
+
+config ROCKCHIP_STIMER_BASE
+ default 0xff620000
+
+config SYS_SOC
+ default "rk3528"
+
+config SYS_CONFIG_NAME
+ default "rk3528_common"
+
+endif
--- /dev/null
+++ b/arch/arm/mach-rockchip/rk3528/Makefile
@@ -0,0 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+obj-y += rk3528.o
+obj-y += syscon_rk3528.o
--- /dev/null
+++ b/arch/arm/mach-rockchip/rk3528/rk3528.c
@@ -0,0 +1,137 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+// Copyright Contributors to the U-Boot project.
+
+#define LOG_CATEGORY LOGC_ARCH
+
+#include <dm.h>
+#include <misc.h>
+#include <asm/armv8/mmu.h>
+#include <asm/arch-rockchip/bootrom.h>
+#include <asm/arch-rockchip/hardware.h>
+
+#define FIREWALL_DDR_BASE 0xff2e0000
+#define FW_DDR_MST6_REG 0x58
+#define FW_DDR_MST7_REG 0x5c
+#define FW_DDR_MST14_REG 0x78
+#define FW_DDR_MST16_REG 0x80
+
+const char * const boot_devices[BROM_LAST_BOOTSOURCE + 1] = {
+ [BROM_BOOTSOURCE_EMMC] = "/soc/mmc@ffbf0000",
+ [BROM_BOOTSOURCE_SD] = "/soc/mmc@ffc30000",
+};
+
+static struct mm_region rk3528_mem_map[] = {
+ {
+ .virt = 0x0UL,
+ .phys = 0x0UL,
+ .size = 0xfc000000UL,
+ .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
+ PTE_BLOCK_INNER_SHARE
+ }, {
+ .virt = 0xfc000000UL,
+ .phys = 0xfc000000UL,
+ .size = 0x04000000UL,
+ .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+ PTE_BLOCK_NON_SHARE |
+ PTE_BLOCK_PXN | PTE_BLOCK_UXN
+ }, {
+ /* List terminator */
+ 0,
+ }
+};
+
+struct mm_region *mem_map = rk3528_mem_map;
+
+void board_debug_uart_init(void)
+{
+}
+
+int arch_cpu_init(void)
+{
+ u32 val;
+
+ if (!IS_ENABLED(CONFIG_SPL_BUILD))
+ return 0;
+
+ /* Set the emmc to access ddr memory */
+ val = readl(FIREWALL_DDR_BASE + FW_DDR_MST6_REG);
+ writel(val & 0x0000ffff, FIREWALL_DDR_BASE + FW_DDR_MST6_REG);
+
+ /* Set the fspi to access ddr memory */
+ val = readl(FIREWALL_DDR_BASE + FW_DDR_MST7_REG);
+ writel(val & 0xffff0000, FIREWALL_DDR_BASE + FW_DDR_MST7_REG);
+
+ /* Set the sdmmc to access ddr memory */
+ val = readl(FIREWALL_DDR_BASE + FW_DDR_MST14_REG);
+ writel(val & 0x0000ffff, FIREWALL_DDR_BASE + FW_DDR_MST14_REG);
+
+ /* Set the usb to access ddr memory */
+ val = readl(FIREWALL_DDR_BASE + FW_DDR_MST16_REG);
+ writel(val & 0xffff0000, FIREWALL_DDR_BASE + FW_DDR_MST16_REG);
+
+ return 0;
+}
+
+#define HP_TIMER_BASE CONFIG_ROCKCHIP_STIMER_BASE
+#define HP_CTRL_REG 0x04
+#define TIMER_EN BIT(0)
+#define HP_LOAD_COUNT0_REG 0x14
+#define HP_LOAD_COUNT1_REG 0x18
+
+void rockchip_stimer_init(void)
+{
+ u32 reg;
+
+ if (!IS_ENABLED(CONFIG_XPL_BUILD))
+ return;
+
+ reg = readl(HP_TIMER_BASE + HP_CTRL_REG);
+ if (reg & TIMER_EN)
+ return;
+
+ asm volatile("msr cntfrq_el0, %0" : : "r" (CONFIG_COUNTER_FREQUENCY));
+ writel(0xffffffff, HP_TIMER_BASE + HP_LOAD_COUNT0_REG);
+ writel(0xffffffff, HP_TIMER_BASE + HP_LOAD_COUNT1_REG);
+ writel(TIMER_EN, HP_TIMER_BASE + HP_CTRL_REG);
+}
+
+#define RK3528_OTP_CPU_CODE_OFFSET 0x02
+#define RK3528_OTP_CPU_CHIP_TYPE_OFFSET 0x28
+
+int checkboard(void)
+{
+ u8 cpu_code[2], chip_type;
+ struct udevice *dev;
+ char suffix[2];
+ int ret;
+
+ if (!IS_ENABLED(CONFIG_ROCKCHIP_OTP) || !CONFIG_IS_ENABLED(MISC))
+ return 0;
+
+ ret = uclass_get_device_by_driver(UCLASS_MISC,
+ DM_DRIVER_GET(rockchip_otp), &dev);
+ if (ret) {
+ log_debug("Could not find otp device, ret=%d\n", ret);
+ return 0;
+ }
+
+ /* cpu-code: SoC model, e.g. 0x35 0x28 */
+ ret = misc_read(dev, RK3528_OTP_CPU_CODE_OFFSET, cpu_code, 2);
+ if (ret < 0) {
+ log_debug("Could not read cpu-code, ret=%d\n", ret);
+ return 0;
+ }
+
+ ret = misc_read(dev, RK3528_OTP_CPU_CHIP_TYPE_OFFSET, &chip_type, 1);
+ if (ret < 0) {
+ log_debug("Could not read chip type, ret=%d\n", ret);
+ return 0;
+ }
+
+ suffix[0] = chip_type != 0x1 ? 'A' : '\0';
+ suffix[1] = '\0';
+
+ printf("SoC: RK%02x%02x%s\n", cpu_code[0], cpu_code[1], suffix);
+
+ return 0;
+}
--- /dev/null
+++ b/arch/arm/mach-rockchip/rk3528/syscon_rk3528.c
@@ -0,0 +1,19 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+// Copyright Contributors to the U-Boot project.
+
+#include <dm.h>
+#include <asm/arch-rockchip/clock.h>
+
+static const struct udevice_id rk3528_syscon_ids[] = {
+ { .compatible = "rockchip,rk3528-grf", .data = ROCKCHIP_SYSCON_GRF },
+ { }
+};
+
+U_BOOT_DRIVER(rockchip_rk3528_syscon) = {
+ .name = "rockchip_rk3528_syscon",
+ .id = UCLASS_SYSCON,
+ .of_match = rk3528_syscon_ids,
+#if CONFIG_IS_ENABLED(OF_REAL)
+ .bind = dm_scan_fdt_dev,
+#endif
+};
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -85,6 +85,7 @@ config USB_GADGET_PRODUCT_NUM
default 0x330e if ROCKCHIP_RK3308
default 0x350a if ROCKCHIP_RK3568
default 0x350b if ROCKCHIP_RK3588
+ default 0x350c if ROCKCHIP_RK3528
default 0x0
help
Product ID of the USB device emulated, reported to the host device.
--- /dev/null
+++ b/include/configs/rk3528_common.h
@@ -0,0 +1,42 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/* Copyright Contributors to the U-Boot project. */
+
+#ifndef __CONFIG_RK3528_COMMON_H
+#define __CONFIG_RK3528_COMMON_H
+
+#define CFG_CPUID_OFFSET 0xa
+
+#include "rockchip-common.h"
+
+#define CFG_IRAM_BASE 0xfe480000
+
+#define CFG_SYS_SDRAM_BASE 0
+#define SDRAM_MAX_SIZE 0xfc000000
+
+#ifndef CONFIG_XPL_BUILD
+
+#ifndef ROCKCHIP_DEVICE_SETTINGS
+#define ROCKCHIP_DEVICE_SETTINGS
+#endif
+
+#define ENV_MEM_LAYOUT_SETTINGS \
+ "scriptaddr=0x00c00000\0" \
+ "script_offset_f=0xffe000\0" \
+ "script_size_f=0x2000\0" \
+ "pxefile_addr_r=0x00e00000\0" \
+ "kernel_addr_r=0x02000000\0" \
+ "kernel_comp_addr_r=0x0a000000\0" \
+ "fdt_addr_r=0x12000000\0" \
+ "fdtoverlay_addr_r=0x12100000\0" \
+ "ramdisk_addr_r=0x12180000\0" \
+ "kernel_comp_size=0x8000000\0"
+
+#define CFG_EXTRA_ENV_SETTINGS \
+ "fdtfile=" CONFIG_DEFAULT_FDT_FILE "\0" \
+ ENV_MEM_LAYOUT_SETTINGS \
+ ROCKCHIP_DEVICE_SETTINGS \
+ "boot_targets=" BOOT_TARGETS "\0"
+
+#endif /* CONFIG_XPL_BUILD */
+
+#endif /* __CONFIG_RK3528_COMMON_H */
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