From: Ye Li ye.li@nxp.com
Enable multiple storages for u-boot env: MMC or SPI flash or NOWHERE for usb so u-boot can runtime select the storage flash according to boot device.
Signed-off-by: Ye Li ye.li@nxp.com Signed-off-by: Peng Fan peng.fan@nxp.com --- arch/arm/mach-imx/imx8ulp/soc.c | 36 +++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+)
diff --git a/arch/arm/mach-imx/imx8ulp/soc.c b/arch/arm/mach-imx/imx8ulp/soc.c index 7aa89aefe8..e40df1e290 100644 --- a/arch/arm/mach-imx/imx8ulp/soc.c +++ b/arch/arm/mach-imx/imx8ulp/soc.c @@ -26,6 +26,8 @@ #include <fuse.h> #include <thermal.h> #include <linux/iopoll.h> +#include <env.h> +#include <env_internal.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -785,3 +787,37 @@ u32 spl_arch_boot_image_offset(u32 image_offset, u32 rom_bt_dev)
return image_offset; } + +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_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; +}