diff options
| -rw-r--r-- | arch/arm/include/asm/arch-sunxi/mmc.h | 2 | ||||
| -rw-r--r-- | board/sunxi/board.c | 30 | ||||
| -rw-r--r-- | drivers/mmc/sunxi_mmc.c | 7 |
3 files changed, 31 insertions, 8 deletions
diff --git a/arch/arm/include/asm/arch-sunxi/mmc.h b/arch/arm/include/asm/arch-sunxi/mmc.h index 6a31184..70d7875 100644 --- a/arch/arm/include/asm/arch-sunxi/mmc.h +++ b/arch/arm/include/asm/arch-sunxi/mmc.h @@ -123,5 +123,5 @@ struct sunxi_mmc { #define SUNXI_MMC_IDIE_TXIRQ (0x1 << 0) #define SUNXI_MMC_IDIE_RXIRQ (0x1 << 1) -int sunxi_mmc_init(int sdc_no); +struct mmc *sunxi_mmc_init(int sdc_no); #endif /* _SUNXI_MMC_H */ diff --git a/board/sunxi/board.c b/board/sunxi/board.c index cfe22b6..f310e8d 100644 --- a/board/sunxi/board.c +++ b/board/sunxi/board.c @@ -12,6 +12,7 @@ */ #include <common.h> +#include <mmc.h> #ifdef CONFIG_AXP152_POWER #include <axp152.h> #endif @@ -104,11 +105,36 @@ static void mmc_pinmux_setup(int sdc) int board_mmc_init(bd_t *bis) { + __maybe_unused struct mmc *mmc0, *mmc1; + __maybe_unused char buf[512]; + mmc_pinmux_setup(CONFIG_MMC_SUNXI_SLOT); - sunxi_mmc_init(CONFIG_MMC_SUNXI_SLOT); + mmc0 = sunxi_mmc_init(CONFIG_MMC_SUNXI_SLOT); + if (!mmc0) + return -1; + #if CONFIG_MMC_SUNXI_SLOT_EXTRA != -1 mmc_pinmux_setup(CONFIG_MMC_SUNXI_SLOT_EXTRA); - sunxi_mmc_init(CONFIG_MMC_SUNXI_SLOT_EXTRA); + mmc1 = sunxi_mmc_init(CONFIG_MMC_SUNXI_SLOT_EXTRA); + if (!mmc1) + return -1; +#endif + +#if CONFIG_MMC_SUNXI_SLOT == 0 && CONFIG_MMC_SUNXI_SLOT_EXTRA == 2 + /* + * Both mmc0 and mmc2 are bootable, figure out where we're booting + * from. Try mmc0 first, just like the brom does. + */ + if (mmc_getcd(mmc0) && mmc_init(mmc0) == 0 && + mmc0->block_dev.block_read(0, 16, 1, buf) == 1) { + buf[12] = 0; + if (strcmp(&buf[4], "eGON.BT0") == 0) + return 0; + } + + /* no bootable card in mmc0, so we must be booting from mmc2, swap */ + mmc0->block_dev.dev = 1; + mmc1->block_dev.dev = 0; #endif return 0; diff --git a/drivers/mmc/sunxi_mmc.c b/drivers/mmc/sunxi_mmc.c index b47376a..d3b1039 100644 --- a/drivers/mmc/sunxi_mmc.c +++ b/drivers/mmc/sunxi_mmc.c @@ -373,7 +373,7 @@ static const struct mmc_ops sunxi_mmc_ops = { .getcd = sunxi_mmc_getcd, }; -int sunxi_mmc_init(int sdc_no) +struct mmc *sunxi_mmc_init(int sdc_no) { struct mmc_config *cfg = &mmc_host[sdc_no].cfg; @@ -396,8 +396,5 @@ int sunxi_mmc_init(int sdc_no) mmc_resource_init(sdc_no); mmc_clk_io_on(sdc_no); - if (mmc_create(cfg, &mmc_host[sdc_no]) == NULL) - return -1; - - return 0; + return mmc_create(cfg, &mmc_host[sdc_no]); } |