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| author | Soeren Moch <smoch@web.de> | 2016-02-04 14:41:15 +0100 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2016-02-21 11:31:44 +0100 |
| commit | 1a43dc11a33de29712e5c5a0877d21bd6f6550c1 (patch) | |
| tree | 0f88009af6f5b92f17b4df1505476a6968f3d953 /arch/arm | |
| parent | c4068dfb31e16f5a27f7177a156cd7a4271ececb (diff) | |
| download | u-boot-imx-1a43dc11a33de29712e5c5a0877d21bd6f6550c1.zip u-boot-imx-1a43dc11a33de29712e5c5a0877d21bd6f6550c1.tar.gz u-boot-imx-1a43dc11a33de29712e5c5a0877d21bd6f6550c1.tar.bz2 | |
imx: mx6: Implement mmc_get_env_part
commit 216d286c7e3d3d83d4d8ccaf0415192e1b1040c0 [imx: mx6: implement
mmc_get_env_dev] introduced selection of the environment device according
to the boot device when booting from SD/MMC.
Extend this functionality for also selecting the device partition.
Signed-off-by: Soeren Moch <smoch@web.de>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/cpu/armv7/mx6/soc.c | 36 |
1 files changed, 33 insertions, 3 deletions
diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c index 8aeeaec..db6eabf 100644 --- a/arch/arm/cpu/armv7/mx6/soc.c +++ b/arch/arm/cpu/armv7/mx6/soc.c @@ -21,6 +21,7 @@ #include <asm/arch/crm_regs.h> #include <dm.h> #include <imx_thermal.h> +#include <mmc.h> enum ldo_reg { LDO_ARM, @@ -355,7 +356,7 @@ __weak int board_mmc_get_env_dev(int devno) return CONFIG_SYS_MMC_ENV_DEV; } -int mmc_get_env_dev(void) +static int mmc_get_boot_dev(void) { struct src *src_regs = (struct src *)SRC_BASE_ADDR; u32 soc_sbmr = readl(&src_regs->sbmr1); @@ -370,15 +371,44 @@ int mmc_get_env_dev(void) */ bootsel = (soc_sbmr & 0x000000FF) >> 6; - /* If not boot from sd/mmc, use default value */ + /* No boot from sd/mmc */ if (bootsel != 1) - return CONFIG_SYS_MMC_ENV_DEV; + return -1; /* BOOT_CFG2[3] and BOOT_CFG2[4] */ devno = (soc_sbmr & 0x00001800) >> 11; + return devno; +} + +int mmc_get_env_dev(void) +{ + int devno = mmc_get_boot_dev(); + + /* If not boot from sd/mmc, use default value */ + if (devno < 0) + return CONFIG_SYS_MMC_ENV_DEV; + return board_mmc_get_env_dev(devno); } + +#ifdef CONFIG_SYS_MMC_ENV_PART +__weak int board_mmc_get_env_part(int devno) +{ + return CONFIG_SYS_MMC_ENV_PART; +} + +uint mmc_get_env_part(struct mmc *mmc) +{ + int devno = mmc_get_boot_dev(); + + /* If not boot from sd/mmc, use default value */ + if (devno < 0) + return CONFIG_SYS_MMC_ENV_PART; + + return board_mmc_get_env_part(devno); +} +#endif #endif int board_postclk_init(void) |