[U-Boot] [PATCH v3 3/4] arm64: rk3399: add SPL support
Kever Yang
kever.yang at rock-chips.com
Wed Feb 22 08:56:37 UTC 2017
Add SPL support for rk3399, default with of-platdata enabled.
Signed-off-by: Kever Yang <kever.yang at rock-chips.com>
Reviewed-by: Simon Glass <sjg at chromium.org>
---
Changes in v3: None
Changes in v2:
- split SPL patch into 4 patches
Changes in v1: None
arch/arm/Kconfig | 1 +
arch/arm/mach-rockchip/Kconfig | 2 +
arch/arm/mach-rockchip/Makefile | 1 +
arch/arm/mach-rockchip/rk3399-board-spl.c | 158 ++++++++++++++++++++++++++++++
include/configs/rk3399_common.h | 6 ++
5 files changed, 168 insertions(+)
create mode 100644 arch/arm/mach-rockchip/rk3399-board-spl.c
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index d871a45..9a0efe4 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -882,6 +882,7 @@ config ARCH_ROCKCHIP
select DM
select SPL_DM if SPL
select SYS_MALLOC_F
+ select SPL_SEPARATE_BSS if SPL
select SPL_SYS_MALLOC_SIMPLE if SPL
select DM_GPIO
select DM_I2C
diff --git a/arch/arm/mach-rockchip/Kconfig b/arch/arm/mach-rockchip/Kconfig
index 5c4a4c2..cd8fef8 100644
--- a/arch/arm/mach-rockchip/Kconfig
+++ b/arch/arm/mach-rockchip/Kconfig
@@ -26,6 +26,8 @@ config ROCKCHIP_RK3288
config ROCKCHIP_RK3399
bool "Support Rockchip RK3399"
select ARM64
+ select SUPPORT_SPL
+ select SPL
help
The Rockchip RK3399 is a ARM-based SoC with a dual-core Cortex-A72
and quad-core Cortex-A53.
diff --git a/arch/arm/mach-rockchip/Makefile b/arch/arm/mach-rockchip/Makefile
index 6e79fed..b58c02d 100644
--- a/arch/arm/mach-rockchip/Makefile
+++ b/arch/arm/mach-rockchip/Makefile
@@ -7,6 +7,7 @@
ifdef CONFIG_SPL_BUILD
obj-$(CONFIG_ROCKCHIP_RK3036) += rk3036-board-spl.o
obj-$(CONFIG_ROCKCHIP_RK3288) += rk3288-board-spl.o
+obj-$(CONFIG_ROCKCHIP_RK3399) += rk3399-board-spl.o
obj-$(CONFIG_ROCKCHIP_SPL_BACK_TO_BROM) += save_boot_param.o
else
obj-$(CONFIG_ROCKCHIP_RK3288) += rk3288-board.o
diff --git a/arch/arm/mach-rockchip/rk3399-board-spl.c b/arch/arm/mach-rockchip/rk3399-board-spl.c
new file mode 100644
index 0000000..8ae3055
--- /dev/null
+++ b/arch/arm/mach-rockchip/rk3399-board-spl.c
@@ -0,0 +1,158 @@
+/*
+ * (C) Copyright 2016 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <debug_uart.h>
+#include <dm.h>
+#include <fdtdec.h>
+#include <led.h>
+#include <malloc.h>
+#include <ram.h>
+#include <spl.h>
+#include <asm/gpio.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/periph.h>
+#include <asm/arch/sdram.h>
+#include <asm/arch/timer.h>
+#include <dm/pinctrl.h>
+#include <dm/root.h>
+#include <dm/test.h>
+#include <dm/util.h>
+#include <power/regulator.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+u32 spl_boot_device(void)
+{
+ return BOOT_DEVICE_MMC1;
+}
+
+u32 spl_boot_mode(const u32 boot_device)
+{
+ return MMCSD_MODE_RAW;
+}
+
+#define TIMER_CHN10_BASE 0xff8680a0
+#define TIMER_END_COUNT_L 0x00
+#define TIMER_END_COUNT_H 0x04
+#define TIMER_INIT_COUNT_L 0x10
+#define TIMER_INIT_COUNT_H 0x14
+#define TIMER_CONTROL_REG 0x1c
+
+#define TIMER_EN 0x1
+#define TIMER_FMODE (0 << 1)
+#define TIMER_RMODE (1 << 1)
+
+void secure_timer_init(void)
+{
+ writel(0xffffffff, TIMER_CHN10_BASE + TIMER_END_COUNT_L);
+ writel(0xffffffff, TIMER_CHN10_BASE + TIMER_END_COUNT_H);
+ writel(0, TIMER_CHN10_BASE + TIMER_INIT_COUNT_L);
+ writel(0, TIMER_CHN10_BASE + TIMER_INIT_COUNT_H);
+ writel(TIMER_EN | TIMER_FMODE, TIMER_CHN10_BASE + TIMER_CONTROL_REG);
+}
+
+#define GRF_EMMCCORE_CON11 0xff77f02c
+void board_init_f(ulong dummy)
+{
+ struct udevice *pinctrl;
+ struct udevice *dev;
+ int ret;
+
+ /* Example code showing how to enable the debug UART on RK3288 */
+#include <asm/arch/grf_rk3399.h>
+ /* Enable early UART2 channel C on the RK3399 */
+#define GRF_BASE 0xff770000
+ struct rk3399_grf_regs * const grf = (void *)GRF_BASE;
+
+ rk_clrsetreg(&grf->gpio4c_iomux,
+ GRF_GPIO4C3_SEL_MASK,
+ GRF_UART2DGBC_SIN << GRF_GPIO4C3_SEL_SHIFT);
+ rk_clrsetreg(&grf->gpio4c_iomux,
+ GRF_GPIO4C4_SEL_MASK,
+ GRF_UART2DBGC_SOUT << GRF_GPIO4C4_SEL_SHIFT);
+ /* Set channel C as UART2 input */
+ rk_clrsetreg(&grf->soc_con7,
+ GRF_UART_DBG_SEL_MASK,
+ GRF_UART_DBG_SEL_C << GRF_UART_DBG_SEL_SHIFT);
+#define EARLY_UART
+#ifdef EARLY_UART
+ /*
+ * Debug UART can be used from here if required:
+ *
+ * debug_uart_init();
+ * printch('a');
+ * printhex8(0x1234);
+ * printascii("string");
+ */
+ debug_uart_init();
+ printascii("U-Boot SPL board init");
+#endif
+ /* Emmc clock generator: disable the clock multipilier */
+ rk_clrreg(GRF_EMMCCORE_CON11, 0x0ff);
+
+ ret = spl_init();
+ if (ret) {
+ debug("spl_init() failed: %d\n", ret);
+ hang();
+ }
+
+ secure_timer_init();
+
+ ret = uclass_get_device(UCLASS_PINCTRL, 0, &pinctrl);
+ if (ret) {
+ debug("Pinctrl init failed: %d\n", ret);
+ return;
+ }
+
+ ret = uclass_get_device(UCLASS_RAM, 0, &dev);
+ if (ret) {
+ debug("DRAM init failed: %d\n", ret);
+ return;
+ }
+}
+
+void spl_board_init(void)
+{
+ struct udevice *pinctrl;
+ int ret;
+
+ ret = uclass_get_device(UCLASS_PINCTRL, 0, &pinctrl);
+ if (ret) {
+ debug("%s: Cannot find pinctrl device\n", __func__);
+ goto err;
+ }
+
+ /* Enable debug UART */
+ ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_UART_DBG);
+ if (ret) {
+ debug("%s: Failed to set up console UART\n", __func__);
+ goto err;
+ }
+
+ preloader_console_init();
+#ifdef CONFIG_ROCKCHIP_SPL_BACK_TO_BROM
+ back_to_bootrom();
+#endif
+ return;
+err:
+ printf("spl_board_init: Error %d\n", ret);
+
+ /* No way to report error here */
+ hang();
+}
+
+#ifdef CONFIG_SPL_LOAD_FIT
+int board_fit_config_name_match(const char *name)
+{
+ /* Just empty function now - can't decide what to choose */
+ debug("%s: %s\n", __func__, name);
+
+ return 0;
+}
+#endif
diff --git a/include/configs/rk3399_common.h b/include/configs/rk3399_common.h
index aa646c6..66b4fbc 100644
--- a/include/configs/rk3399_common.h
+++ b/include/configs/rk3399_common.h
@@ -23,6 +23,12 @@
#define CONFIG_SYS_TEXT_BASE 0x00200000
#define CONFIG_SYS_INIT_SP_ADDR 0x00300000
#define CONFIG_SYS_LOAD_ADDR 0x00800800
+#define CONFIG_SPL_STACK 0xff8effff
+#define CONFIG_SPL_TEXT_BASE 0xff8c2008
+#define CONFIG_SPL_MAX_SIZE 0x30000
+/* BSS setup */
+#define CONFIG_SPL_BSS_START_ADDR 0xff8e0000
+#define CONFIG_SPL_BSS_MAX_SIZE 0x10000
#define CONFIG_SYS_BOOTM_LEN (64 << 20) /* 64M */
--
1.9.1
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