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imx8mn/imx8mp: override env_get_offset and env_get_location

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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>
This commit is contained in:
Ye Li 2019-07-15 01:16:46 -07:00 committed by Peng Fan
parent 7a42bf0489
commit 2707faf01f
1 changed files with 59 additions and 0 deletions
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59
arch/arm/mach-imx/imx8m/soc.c
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@ -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