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authorPeng Fan2018-10-18 14:28:20 +0200
committerStefano Babic2018-10-22 12:59:01 +0200
commitc1aae21d89108adcfc4316a5a073e3ff1f972a2c (patch)
tree15ef4e378c6f0964e62d190d9a96bb46223e0ec0 /arch/arm
parent8aa1505b59159cf8f52ba7441dd9e71c3caf1ded (diff)
imx8: implement mmc_get_env_dev
Implement mmc_get_env_dev for i.MX8. Signed-off-by: Peng Fan <peng.fan@nxp.com> Reviewed-by: Anatolij Gustschin <agust@denx.de> Cc: Stefano Babic <sbabic@denx.de>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/mach-imx/imx8/cpu.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/imx8/cpu.c b/arch/arm/mach-imx/imx8/cpu.c
index 90b6ea42116..0cacaa895c4 100644
--- a/arch/arm/mach-imx/imx8/cpu.c
+++ b/arch/arm/mach-imx/imx8/cpu.c
@@ -176,3 +176,35 @@ 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_rsrc_t dev_rsrc;
+ int devno;
+
+ sc_misc_get_boot_dev(-1, &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