diff options
| -rw-r--r-- | arch/arm/mach-rockchip/Kconfig | 8 | ||||
| -rw-r--r-- | arch/arm/mach-rockchip/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/mach-rockchip/board.c | 33 | ||||
| -rw-r--r-- | arch/arm/mach-rockchip/rk3036/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/mach-rockchip/rk3288-board-spl.c | 5 | ||||
| -rw-r--r-- | arch/arm/mach-rockchip/save_boot_param.S (renamed from arch/arm/mach-rockchip/rk3036/save_boot_param.S) | 2 | ||||
| -rw-r--r-- | doc/README.rockchip | 14 | ||||
| -rw-r--r-- | include/configs/rk3288_common.h | 5 |
8 files changed, 66 insertions, 3 deletions
diff --git a/arch/arm/mach-rockchip/Kconfig b/arch/arm/mach-rockchip/Kconfig index c49cc19be3..cf718fab57 100644 --- a/arch/arm/mach-rockchip/Kconfig +++ b/arch/arm/mach-rockchip/Kconfig @@ -17,6 +17,14 @@ config ROCKCHIP_RK3036 and video codec support. Peripherals include Gigabit Ethernet, USB2 host and OTG, SDIO, I2S, UART, SPI, I2C and PWMs. +config ROCKCHIP_SPL_BACK_TO_BROM + bool "SPL returns to bootrom" + default y if ROCKCHIP_RK3036 + help + Rockchip SoCs have ability to load SPL & U-Boot binary. If enabled, + SPL will return to the boot rom, which will then load the U-Boot + binary to keep going on. + source "arch/arm/mach-rockchip/rk3288/Kconfig" source "arch/arm/mach-rockchip/rk3036/Kconfig" endif diff --git a/arch/arm/mach-rockchip/Makefile b/arch/arm/mach-rockchip/Makefile index 55567cb131..c08d61bb11 100644 --- a/arch/arm/mach-rockchip/Makefile +++ b/arch/arm/mach-rockchip/Makefile @@ -7,6 +7,7 @@ ifdef CONFIG_SPL_BUILD obj-$(CONFIG_ROCKCHIP_RK3288) += rk3288-board-spl.o obj-$(CONFIG_ROCKCHIP_RK3036) += rk3036-board-spl.o +obj-$(CONFIG_ROCKCHIP_SPL_BACK_TO_BROM) += save_boot_param.o else obj-$(CONFIG_ROCKCHIP_RK3288) += board.o endif diff --git a/arch/arm/mach-rockchip/board.c b/arch/arm/mach-rockchip/board.c index 816540e582..b07e0738ea 100644 --- a/arch/arm/mach-rockchip/board.c +++ b/arch/arm/mach-rockchip/board.c @@ -10,12 +10,45 @@ #include <ram.h> #include <asm/io.h> #include <asm/arch/clock.h> +#include <asm/arch/periph.h> +#include <asm/gpio.h> +#include <dm/pinctrl.h> DECLARE_GLOBAL_DATA_PTR; int board_init(void) { +#ifdef CONFIG_ROCKCHIP_SPL_BACK_TO_BROM + struct udevice *pinctrl; + int ret; + + /* + * We need to implement sdcard iomux here for the further + * initlization, otherwise, it'll hit sdcard command sending + * timeout exception. + */ + ret = uclass_get_device(UCLASS_PINCTRL, 0, &pinctrl); + if (ret) { + debug("%s: Cannot find pinctrl device\n", __func__); + goto err; + } + ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_SDCARD); + if (ret) { + debug("%s: Failed to set up SD card\n", __func__); + goto err; + } + + return 0; +err: + printf("board_init: Error %d\n", ret); + + /* No way to report error here */ + hang(); + + return -1; +#else return 0; +#endif } int dram_init(void) diff --git a/arch/arm/mach-rockchip/rk3036/Makefile b/arch/arm/mach-rockchip/rk3036/Makefile index 97d299d6cc..6095777b8f 100644 --- a/arch/arm/mach-rockchip/rk3036/Makefile +++ b/arch/arm/mach-rockchip/rk3036/Makefile @@ -10,4 +10,3 @@ obj-y += syscon_rk3036.o endif obj-y += sdram_rk3036.o -obj-y += save_boot_param.o diff --git a/arch/arm/mach-rockchip/rk3288-board-spl.c b/arch/arm/mach-rockchip/rk3288-board-spl.c index 123f58b27f..08152aa72b 100644 --- a/arch/arm/mach-rockchip/rk3288-board-spl.c +++ b/arch/arm/mach-rockchip/rk3288-board-spl.c @@ -149,7 +149,7 @@ static int configure_emmc(struct udevice *pinctrl) return 0; } #endif - +extern void back_to_bootrom(void); void board_init_f(ulong dummy) { struct udevice *pinctrl; @@ -204,6 +204,9 @@ void board_init_f(ulong dummy) debug("DRAM init failed: %d\n", ret); return; } +#ifdef CONFIG_ROCKCHIP_SPL_BACK_TO_BROM + back_to_bootrom(); +#endif } static int setup_led(void) diff --git a/arch/arm/mach-rockchip/rk3036/save_boot_param.S b/arch/arm/mach-rockchip/save_boot_param.S index 778ec83c2c..85b407b4d3 100644 --- a/arch/arm/mach-rockchip/rk3036/save_boot_param.S +++ b/arch/arm/mach-rockchip/save_boot_param.S @@ -1,5 +1,5 @@ /* - * (C) Copyright 2015 Google, Inc + * (C) Copyright 2016 Rockchip Electronics Co., Ltd * * SPDX-License-Identifier: GPL-2.0+ */ diff --git a/doc/README.rockchip b/doc/README.rockchip index e0572c80b9..182e3aedf6 100644 --- a/doc/README.rockchip +++ b/doc/README.rockchip @@ -119,6 +119,20 @@ something like: Hit any key to stop autoboot: 0 => +The rockchip bootrom can load and boot an initial spl, then continue to +load a second-level bootloader(ie. U-BOOT) as soon as it returns to bootrom. +Therefore RK3288 has another loading sequence like RK3036. The option of +U-Boot is controlled with this setting in U-Boot: + + #define CONFIG_ROCKCHIP_SPL_BACK_TO_BROM + +You can create the image via the following operations: + + ./firefly-rk3288/tools/mkimage -n rk3288 -T rksd -d \ + firefly-rk3288/spl/u-boot-spl-dtb.bin out && \ + cat firefly-rk3288/u-boot-dtb.bin >> out && \ + sudo dd if=out of=/dev/sdc seek=64 + If you have an HDMI cable attached you should see a video console. For evb_rk3036 board: diff --git a/include/configs/rk3288_common.h b/include/configs/rk3288_common.h index 8adc26fc8b..90473bfec5 100644 --- a/include/configs/rk3288_common.h +++ b/include/configs/rk3288_common.h @@ -33,7 +33,12 @@ #define CONFIG_SYS_NS16550_MEM32 #define CONFIG_SPL_BOARD_INIT +#ifdef CONFIG_ROCKCHIP_SPL_BACK_TO_BROM +/* Bootrom will load u-boot binary to 0x0 once return from SPL */ +#define CONFIG_SYS_TEXT_BASE 0x00000000 +#else #define CONFIG_SYS_TEXT_BASE 0x00100000 +#endif #define CONFIG_SYS_INIT_SP_ADDR 0x00100000 #define CONFIG_SYS_LOAD_ADDR 0x00800800 #define CONFIG_SPL_STACK 0xff718000 |