[U-Boot] [PATCH 2/3] rockchip: doc: update U-Boot location info

Dr. Philipp Tomsich philipp.tomsich at theobroma-systems.com
Fri Nov 3 09:42:06 UTC 2017


> On 2 Nov 2017, at 08:16, Kever Yang <kever.yang at rock-chips.com> wrote:
> 
> Update rockchip U-Boot location to 0x4000/16384.
> 
> Signed-off-by: Kever Yang <kever.yang at rock-chips.com>
> ---
> 
> doc/README.rockchip | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/doc/README.rockchip b/doc/README.rockchip
> index 4b7be0b..9d5af3d 100644
> --- a/doc/README.rockchip
> +++ b/doc/README.rockchip
> @@ -99,13 +99,13 @@ To write an image that boots from an SD card (assumed to be /dev/sdc):
>    ./firefly-rk3288/tools/mkimage -n rk3288 -T rksd -d \
> 	firefly-rk3288/spl/u-boot-spl-dtb.bin out && \
>    sudo dd if=out of=/dev/sdc seek=64 && \
> -   sudo dd if=firefly-rk3288/u-boot-dtb.img of=/dev/sdc seek=256
> +   sudo dd if=firefly-rk3288/u-boot-dtb.img of=/dev/sdc seek=16384
> 
> This puts the Rockchip header and SPL image first and then places the U-Boot
> -image at block 256 (i.e. 128KB from the start of the SD card). This
> +image at block 16384 (i.e. 4MB from the start of the SD card). This
> corresponds with this setting in U-Boot:
> 
> -   #define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR	256
> +   #define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR	0x4000

Could you use 'u-boot,spl-payload-offset’ to provide this info to U-Boot
or is there a strong reason to hard-code this?

> 
> Put this SD (or micro-SD) card into your board and reset it. You should see
> something like:
> -- 
> 1.9.1
> 



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