Implement mmc_get_env_dev for i.MX8.
Signed-off-by: Peng Fan peng.fan@nxp.com --- arch/arm/mach-imx/imx8/cpu.c | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+)
diff --git a/arch/arm/mach-imx/imx8/cpu.c b/arch/arm/mach-imx/imx8/cpu.c index 7aecaac356..fa32a9362c 100644 --- a/arch/arm/mach-imx/imx8/cpu.c +++ b/arch/arm/mach-imx/imx8/cpu.c @@ -163,3 +163,37 @@ enum boot_device get_boot_device(void)
return boot_dev; } + +#ifdef CONFIG_ENV_IS_IN_MMC +__weak int board_mmc_get_env_dev(int devno) +{ + return CONFIG_SYS_MMC_ENV_DEV; +} + +int mmc_get_env_dev(void) +{ + sc_ipc_t ipchndl; + sc_rsrc_t dev_rsrc; + int devno; + + ipchndl = gd->arch.ipc_channel_handle; + sc_misc_get_boot_dev(ipchndl, &dev_rsrc); + + switch (dev_rsrc) { + case SC_R_SDHC_0: + devno = 0; + break; + case SC_R_SDHC_1: + devno = 1; + break; + case SC_R_SDHC_2: + devno = 2; + break; + default: + /* If not boot from sd/mmc, use default value */ + return CONFIG_SYS_MMC_ENV_DEV; + } + + return board_mmc_get_env_dev(devno); +} +#endif