Check BOOT_CFG2[3:4] to determine which SD/MMC port is selected to boot from. If MMC2 is selected return BOOT_DEVICE_MMC2. In all other cases return BOOT_DEVICE_MMC1, as we do not have corresponding macro for MMC3 and MMC4.
Signed-off-by: Marcin Niestroj m.niestroj@grinn-global.com --- arch/arm/imx-common/spl.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/arch/arm/imx-common/spl.c b/arch/arm/imx-common/spl.c index bdcda7d..325ba26 100644 --- a/arch/arm/imx-common/spl.c +++ b/arch/arm/imx-common/spl.c @@ -14,6 +14,9 @@ #include <spl.h>
#if defined(CONFIG_MX6) +#define MX6_MMC_PORT_MASK GENMASK(12, 11) +#define MX6_MMC_PORT_2 BIT(11) + /* determine boot device from SRC_SBMR1 (BOOT_CFG[4:1]) or SRC_GPR9 register */ u32 spl_boot_device(void) { @@ -55,10 +58,11 @@ u32 spl_boot_device(void) /* SD/eSD: 8.5.3, Table 8-15 */ case 0x4: case 0x5: - return BOOT_DEVICE_MMC1; /* MMC/eMMC: 8.5.3 */ case 0x6: case 0x7: + if ((reg & MX6_MMC_PORT_MASK) == MX6_MMC_PORT_2) + return BOOT_DEVICE_MMC2; return BOOT_DEVICE_MMC1; /* NAND Flash: 8.5.2 */ case 0x8 ... 0xf: