diff options
| author | Thomas Skibo <thomas-git@skibo.net> | 2021-11-24 14:32:09 -0800 |
|---|---|---|
| committer | Leo Yu-Chi Liang <ycliang@andestech.com> | 2021-12-02 16:43:56 +0800 |
| commit | 6a863894ad53b2d0e6c6d47ad105850053757fec (patch) | |
| tree | 6b3c388872fce40712b633a34f8beab04e3d76e1 /board | |
| parent | ffb78a7c71d555be31c8f8f2bb0fcc2fcfe3892e (diff) | |
riscv: Support booting SiFive Unmatched from SPI.
Configure SPI flash devices into SPL. Add SPI boot option to spl.c.
Document how to format flash for booting.
Signed-off-by: Thomas Skibo <thomas-git@skibo.net>
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
Diffstat (limited to 'board')
| -rw-r--r-- | board/sifive/unmatched/spl.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/board/sifive/unmatched/spl.c b/board/sifive/unmatched/spl.c index d5663274cd..7c0beedc08 100644 --- a/board/sifive/unmatched/spl.c +++ b/board/sifive/unmatched/spl.c @@ -22,6 +22,7 @@ #define GEM_PHY_RESET SIFIVE_GENERIC_GPIO_NR(0, 12) #define MODE_SELECT_REG 0x1000 +#define MODE_SELECT_SPI 0x6 #define MODE_SELECT_SD 0xb #define MODE_SELECT_MASK GENMASK(3, 0) @@ -123,6 +124,8 @@ u32 spl_boot_device(void) u32 boot_device = mode_select & MODE_SELECT_MASK; switch (boot_device) { + case MODE_SELECT_SPI: + return BOOT_DEVICE_SPI; case MODE_SELECT_SD: return BOOT_DEVICE_MMC1; default: |