imx8mn/imx8mp: override env_get_offset and env_get_location
To use one defconfig for all boot device, we have to runtime set
env offset and return env medium according to the boot device.
This patch overrides the env_get_offset and env_get_location to
implement the feature.
Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
diff --git a/arch/arm/mach-imx/imx8m/soc.c b/arch/arm/mach-imx/imx8m/soc.c
index f74a343..9517a7c 100644
--- a/arch/arm/mach-imx/imx8m/soc.c
+++ b/arch/arm/mach-imx/imx8m/soc.c
@@ -20,6 +20,8 @@
#include <asm/armv8/mmu.h>
#include <dm/uclass.h>
#include <efi_loader.h>
+#include <env.h>
+#include <env_internal.h>
#include <errno.h>
#include <fdt_support.h>
#include <fsl_wdog.h>
@@ -616,3 +618,60 @@
}
#endif
#endif
+
+#if defined(CONFIG_IMX8MN) || defined(CONFIG_IMX8MP)
+enum env_location env_get_location(enum env_operation op, int prio)
+{
+ enum boot_device dev = get_boot_device();
+ enum env_location env_loc = ENVL_UNKNOWN;
+
+ if (prio)
+ return env_loc;
+
+ switch (dev) {
+#ifdef CONFIG_ENV_IS_IN_SPI_FLASH
+ case QSPI_BOOT:
+ env_loc = ENVL_SPI_FLASH;
+ break;
+#endif
+#ifdef CONFIG_ENV_IS_IN_NAND
+ case NAND_BOOT:
+ env_loc = ENVL_NAND;
+ break;
+#endif
+#ifdef CONFIG_ENV_IS_IN_MMC
+ case SD1_BOOT:
+ case SD2_BOOT:
+ case SD3_BOOT:
+ case MMC1_BOOT:
+ case MMC2_BOOT:
+ case MMC3_BOOT:
+ env_loc = ENVL_MMC;
+ break;
+#endif
+ default:
+#if defined(CONFIG_ENV_IS_NOWHERE)
+ env_loc = ENVL_NOWHERE;
+#endif
+ break;
+ }
+
+ return env_loc;
+}
+
+#ifndef ENV_IS_EMBEDDED
+long long env_get_offset(long long defautl_offset)
+{
+ enum boot_device dev = get_boot_device();
+
+ switch (dev) {
+ case NAND_BOOT:
+ return (60 << 20); /* 60MB offset for NAND */
+ default:
+ break;
+ }
+
+ return defautl_offset;
+}
+#endif
+#endif