From: Ye Li ye.li@nxp.com
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 --- arch/arm/mach-imx/imx8m/soc.c | 59 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+)
diff --git a/arch/arm/mach-imx/imx8m/soc.c b/arch/arm/mach-imx/imx8m/soc.c index f74a343ed8..9517a7cfcf 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 @@ void do_error(struct pt_regs *pt_regs, unsigned int esr) } #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