[U-Boot] [PATCH] rockchip: Print a message when returning to the bootrom
At present if the return to bootrom fails (e.g. because you are not using the Rockchip's bootrom's pointer table in MMC) then the board prints SPL message and hangs. Print a message first if we can, to help in understanding what happened when it hangs.
Signed-off-by: Simon Glass sjg@chromium.org ---
arch/arm/include/asm/arch-rockchip/bootrom.h | 9 +++++++-- arch/arm/mach-rockchip/Makefile | 2 ++ arch/arm/mach-rockchip/bootrom.c | 16 ++++++++++++++++ arch/arm/mach-rockchip/save_boot_param.S | 6 +++--- configs/firefly-rk3288_defconfig | 2 +- 5 files changed, 29 insertions(+), 6 deletions(-) create mode 100644 arch/arm/mach-rockchip/bootrom.c
diff --git a/arch/arm/include/asm/arch-rockchip/bootrom.h b/arch/arm/include/asm/arch-rockchip/bootrom.h index 79fb1a07ac..92eb8783a3 100644 --- a/arch/arm/include/asm/arch-rockchip/bootrom.h +++ b/arch/arm/include/asm/arch-rockchip/bootrom.h @@ -13,10 +13,15 @@ */ extern u32 SAVE_SP_ADDR;
-/* +/** * Hand control back to the bootrom to load another * boot stage. */ -extern void back_to_bootrom(void); +void back_to_bootrom(void); + +/** + * Assembler component for the above (do not call this directly) + */ +void _back_to_bootrom_s(void);
#endif diff --git a/arch/arm/mach-rockchip/Makefile b/arch/arm/mach-rockchip/Makefile index 6b251c7e7e..5caecfb2c0 100644 --- a/arch/arm/mach-rockchip/Makefile +++ b/arch/arm/mach-rockchip/Makefile @@ -4,6 +4,8 @@ # SPDX-License-Identifier: GPL-2.0+ #
+obj-y += bootrom.o + ifdef CONFIG_TPL_BUILD obj-$(CONFIG_ROCKCHIP_RK3188) += rk3188-board-tpl.o obj-$(CONFIG_ROCKCHIP_BROM_HELPER) += save_boot_param.o diff --git a/arch/arm/mach-rockchip/bootrom.c b/arch/arm/mach-rockchip/bootrom.c new file mode 100644 index 0000000000..65f058460e --- /dev/null +++ b/arch/arm/mach-rockchip/bootrom.c @@ -0,0 +1,16 @@ +/** + * Copyright (c) 2017 Google, Inc + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/arch/bootrom.h> + +void back_to_bootrom(void) +{ +#ifdef SPL_LIBGENERIC_SUPPORT + printf("Returning to boot ROM..."); +#endif + _back_to_bootrom_s(); +} diff --git a/arch/arm/mach-rockchip/save_boot_param.S b/arch/arm/mach-rockchip/save_boot_param.S index 85b407b4d3..5e6c8dba13 100644 --- a/arch/arm/mach-rockchip/save_boot_param.S +++ b/arch/arm/mach-rockchip/save_boot_param.S @@ -23,10 +23,10 @@ ENTRY(save_boot_params) ENDPROC(save_boot_params)
-.globl back_to_bootrom -ENTRY(back_to_bootrom) +.globl _back_to_bootrom_s +ENTRY(_back_to_bootrom_s) ldr r0, =SAVE_SP_ADDR ldr sp, [r0] mov r0, #0 pop {r1-r12, pc} -ENDPROC(back_to_bootrom) +ENDPROC(_back_to_bootrom_s) diff --git a/configs/firefly-rk3288_defconfig b/configs/firefly-rk3288_defconfig index b0741d7bd9..f2e079a378 100644 --- a/configs/firefly-rk3288_defconfig +++ b/configs/firefly-rk3288_defconfig @@ -2,7 +2,6 @@ CONFIG_ARM=y CONFIG_ARCH_ROCKCHIP=y CONFIG_SYS_MALLOC_F_LEN=0x2000 CONFIG_ROCKCHIP_RK3288=y -CONFIG_ROCKCHIP_SPL_BACK_TO_BROM=y CONFIG_TARGET_FIREFLY_RK3288=y CONFIG_SPL_STACK_R_ADDR=0x80000 CONFIG_DEFAULT_DEVICE_TREE="rk3288-firefly" @@ -74,3 +73,4 @@ CONFIG_CONSOLE_SCROLL_LINES=10 CONFIG_USE_TINY_PRINTF=y CONFIG_CMD_DHRYSTONE=y CONFIG_ERRNO_STR=y +CONFIG_SPL_OF_PLATDATA=y
Hi,
On 4 April 2017 at 20:02, Simon Glass sjg@chromium.org wrote:
At present if the return to bootrom fails (e.g. because you are not using the Rockchip's bootrom's pointer table in MMC) then the board prints SPL message and hangs. Print a message first if we can, to help in understanding what happened when it hangs.
Signed-off-by: Simon Glass sjg@chromium.org
This is supposed to be an RFC, sorry. Please ignore the firefly change. I tend to get his with this problem a lot so am thinking some indication would be useful.
arch/arm/include/asm/arch-rockchip/bootrom.h | 9 +++++++-- arch/arm/mach-rockchip/Makefile | 2 ++ arch/arm/mach-rockchip/bootrom.c | 16 ++++++++++++++++ arch/arm/mach-rockchip/save_boot_param.S | 6 +++--- configs/firefly-rk3288_defconfig | 2 +- 5 files changed, 29 insertions(+), 6 deletions(-) create mode 100644 arch/arm/mach-rockchip/bootrom.c
diff --git a/arch/arm/include/asm/arch-rockchip/bootrom.h b/arch/arm/include/asm/arch-rockchip/bootrom.h index 79fb1a07ac..92eb8783a3 100644 --- a/arch/arm/include/asm/arch-rockchip/bootrom.h +++ b/arch/arm/include/asm/arch-rockchip/bootrom.h @@ -13,10 +13,15 @@ */ extern u32 SAVE_SP_ADDR;
-/* +/**
- Hand control back to the bootrom to load another
- boot stage.
*/ -extern void back_to_bootrom(void); +void back_to_bootrom(void);
+/**
- Assembler component for the above (do not call this directly)
- */
+void _back_to_bootrom_s(void);
#endif diff --git a/arch/arm/mach-rockchip/Makefile b/arch/arm/mach-rockchip/Makefile index 6b251c7e7e..5caecfb2c0 100644 --- a/arch/arm/mach-rockchip/Makefile +++ b/arch/arm/mach-rockchip/Makefile @@ -4,6 +4,8 @@ # SPDX-License-Identifier: GPL-2.0+ #
+obj-y += bootrom.o
ifdef CONFIG_TPL_BUILD obj-$(CONFIG_ROCKCHIP_RK3188) += rk3188-board-tpl.o obj-$(CONFIG_ROCKCHIP_BROM_HELPER) += save_boot_param.o diff --git a/arch/arm/mach-rockchip/bootrom.c b/arch/arm/mach-rockchip/bootrom.c new file mode 100644 index 0000000000..65f058460e --- /dev/null +++ b/arch/arm/mach-rockchip/bootrom.c @@ -0,0 +1,16 @@ +/**
- Copyright (c) 2017 Google, Inc
- SPDX-License-Identifier: GPL-2.0+
- */
+#include <common.h> +#include <asm/arch/bootrom.h>
+void back_to_bootrom(void) +{ +#ifdef SPL_LIBGENERIC_SUPPORT
printf("Returning to boot ROM...");+#endif
_back_to_bootrom_s();+} diff --git a/arch/arm/mach-rockchip/save_boot_param.S b/arch/arm/mach-rockchip/save_boot_param.S index 85b407b4d3..5e6c8dba13 100644 --- a/arch/arm/mach-rockchip/save_boot_param.S +++ b/arch/arm/mach-rockchip/save_boot_param.S @@ -23,10 +23,10 @@ ENTRY(save_boot_params) ENDPROC(save_boot_params)
-.globl back_to_bootrom -ENTRY(back_to_bootrom) +.globl _back_to_bootrom_s +ENTRY(_back_to_bootrom_s) ldr r0, =SAVE_SP_ADDR ldr sp, [r0] mov r0, #0 pop {r1-r12, pc} -ENDPROC(back_to_bootrom) +ENDPROC(_back_to_bootrom_s) diff --git a/configs/firefly-rk3288_defconfig b/configs/firefly-rk3288_defconfig index b0741d7bd9..f2e079a378 100644 --- a/configs/firefly-rk3288_defconfig +++ b/configs/firefly-rk3288_defconfig @@ -2,7 +2,6 @@ CONFIG_ARM=y CONFIG_ARCH_ROCKCHIP=y CONFIG_SYS_MALLOC_F_LEN=0x2000 CONFIG_ROCKCHIP_RK3288=y -CONFIG_ROCKCHIP_SPL_BACK_TO_BROM=y CONFIG_TARGET_FIREFLY_RK3288=y CONFIG_SPL_STACK_R_ADDR=0x80000 CONFIG_DEFAULT_DEVICE_TREE="rk3288-firefly" @@ -74,3 +73,4 @@ CONFIG_CONSOLE_SCROLL_LINES=10 CONFIG_USE_TINY_PRINTF=y CONFIG_CMD_DHRYSTONE=y CONFIG_ERRNO_STR=y
+CONFIG_SPL_OF_PLATDATA=y
2.12.2.715.g7642488e1d-goog
Regards, Simon
Am Dienstag, 4. April 2017, 20:02:40 CEST schrieb Simon Glass:
At present if the return to bootrom fails (e.g. because you are not using the Rockchip's bootrom's pointer table in MMC) then the board prints SPL message and hangs. Print a message first if we can, to help in understanding what happened when it hangs.
Signed-off-by: Simon Glass sjg@chromium.org
arch/arm/include/asm/arch-rockchip/bootrom.h | 9 +++++++-- arch/arm/mach-rockchip/Makefile | 2 ++ arch/arm/mach-rockchip/bootrom.c | 16 ++++++++++++++++ arch/arm/mach-rockchip/save_boot_param.S | 6 +++--- configs/firefly-rk3288_defconfig | 2 +- 5 files changed, 29 insertions(+), 6 deletions(-) create mode 100644 arch/arm/mach-rockchip/bootrom.c
diff --git a/arch/arm/include/asm/arch-rockchip/bootrom.h b/arch/arm/include/asm/arch-rockchip/bootrom.h index 79fb1a07ac..92eb8783a3 100644 --- a/arch/arm/include/asm/arch-rockchip/bootrom.h +++ b/arch/arm/include/asm/arch-rockchip/bootrom.h @@ -13,10 +13,15 @@ */ extern u32 SAVE_SP_ADDR;
-/* +/**
- Hand control back to the bootrom to load another
- boot stage.
*/ -extern void back_to_bootrom(void); +void back_to_bootrom(void);
+/**
- Assembler component for the above (do not call this directly)
- */
+void _back_to_bootrom_s(void);
#endif diff --git a/arch/arm/mach-rockchip/Makefile b/arch/arm/mach-rockchip/Makefile index 6b251c7e7e..5caecfb2c0 100644 --- a/arch/arm/mach-rockchip/Makefile +++ b/arch/arm/mach-rockchip/Makefile @@ -4,6 +4,8 @@ # SPDX-License-Identifier: GPL-2.0+ #
+obj-y += bootrom.o
ifdef CONFIG_TPL_BUILD obj-$(CONFIG_ROCKCHIP_RK3188) += rk3188-board-tpl.o obj-$(CONFIG_ROCKCHIP_BROM_HELPER) += save_boot_param.o diff --git a/arch/arm/mach-rockchip/bootrom.c b/arch/arm/mach-rockchip/bootrom.c new file mode 100644 index 0000000000..65f058460e --- /dev/null +++ b/arch/arm/mach-rockchip/bootrom.c @@ -0,0 +1,16 @@ +/**
- Copyright (c) 2017 Google, Inc
- SPDX-License-Identifier: GPL-2.0+
- */
+#include <common.h> +#include <asm/arch/bootrom.h>
+void back_to_bootrom(void) +{ +#ifdef SPL_LIBGENERIC_SUPPORT
you might want something like #if defined(CONFIG_SPL_LIBGENERIC_SUPPORT) && \ !defined(CONFIG_TPL_BUILD) instead. For one to test for the correct option and secondly we most likely don't want it in any TPL for size reasons.
Apart from that, it does what it is supposed to do, so Tested-by: Heiko Stuebner heiko@sntech.de
And I do like uboot telling a bit more what it is doing on Rockchip platforms - or which stage it did reach, so also Acked-by: Heiko Stuebner heiko@sntech.de
Heiko
Am Dienstag, 4. April 2017, 20:02:40 CEST schrieb Simon Glass:
At present if the return to bootrom fails (e.g. because you are not using the Rockchip's bootrom's pointer table in MMC) then the board prints SPL message and hangs. Print a message first if we can, to help in understanding what happened when it hangs.
Signed-off-by: Simon Glass sjg@chromium.org
[...]
diff --git a/arch/arm/mach-rockchip/Makefile b/arch/arm/mach-rockchip/Makefile index 6b251c7e7e..5caecfb2c0 100644 --- a/arch/arm/mach-rockchip/Makefile +++ b/arch/arm/mach-rockchip/Makefile @@ -4,6 +4,8 @@ # SPDX-License-Identifier: GPL-2.0+ #
+obj-y += bootrom.o
you also probably want obj-$(CONFIG_ROCKCHIP_BROM_HELPER) += bootrom.o
ifdef CONFIG_TPL_BUILD obj-$(CONFIG_ROCKCHIP_RK3188) += rk3188-board-tpl.o obj-$(CONFIG_ROCKCHIP_BROM_HELPER) += save_boot_param.o
participants (2)
-
Heiko Stuebner -
Simon Glass