[PATCH v7 18/22] configs: fu540: Add config options for U-Boot SPL

Bin Meng bmeng.cn at gmail.com
Sat May 2 14:55:39 CEST 2020


Hi Pragnesh,

On Sat, May 2, 2020 at 6:08 PM Pragnesh Patel <pragnesh.patel at sifive.com> wrote:
>
> With sifive_fu540_defconfig:
>
> User can use FSBL or u-boot-spl.bin anyone at a time.
>
> For FSBL,
> fsbl->fw_payload.bin (opensbi + U-Boot)
>
> For u-boot-spl.bin,
> u-boot-spl.bin->FIT image (opensbi + U-Boot + dtb)
>
> U-Boot SPL will be loaded by ZSBL from SD card (replace fsbl.bin with
> u-boot-spl.bin) and runs in L2 LIM in machine mode and then load FIT
> image u-boot.itb from SD card into RAM.
>
> U-Boot SPL expects u-boot.itb FIT image at the starting of SD card sector
> number (0x822) of GUID type "2E54B353-1271-4842-806F-E436D6AF6985"
>
> Signed-off-by: Pragnesh Patel <pragnesh.patel at sifive.com>
> ---
>  configs/sifive_fu540_defconfig | 9 +++++++++
>  1 file changed, 9 insertions(+)
>
> diff --git a/configs/sifive_fu540_defconfig b/configs/sifive_fu540_defconfig
> index f805aacc7a..30fac8996b 100644
> --- a/configs/sifive_fu540_defconfig
> +++ b/configs/sifive_fu540_defconfig
> @@ -1,6 +1,12 @@
>  CONFIG_RISCV=y
> +CONFIG_SPL_GPIO_SUPPORT=y
> +CONFIG_SYS_MALLOC_F_LEN=0x3000
>  CONFIG_ENV_SIZE=0x20000
> +CONFIG_SPL_MMC_SUPPORT=y
>  CONFIG_NR_DRAM_BANKS=1
> +CONFIG_SPL=y
> +CONFIG_SPL_SPI_SUPPORT=y
> +CONFIG_SPL_PAYLOAD="u-boot.itb"
>  CONFIG_TARGET_SIFIVE_FU540=y
>  CONFIG_ARCH_RV64I=y
>  CONFIG_RISCV_SMODE=y
> @@ -9,7 +15,10 @@ CONFIG_FIT=y
>  CONFIG_MISC_INIT_R=y
>  CONFIG_DISPLAY_CPUINFO=y
>  CONFIG_DISPLAY_BOARDINFO=y
> +CONFIG_SPL_SEPARATE_BSS=y
> +CONFIG_SPL_YMODEM_SUPPORT=y

Is this needed for SPL?

>  CONFIG_OF_BOARD_FIXUP=y
>  CONFIG_DEFAULT_DEVICE_TREE="hifive-unleashed-a00"
>  CONFIG_SYS_RELOC_GD_ENV_ADDR=y
> +CONFIG_SPL_CLK=y
>  CONFIG_DM_MTD=y

Regards,
Bin


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