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imx: imx8ulp_evk: Enable multiple env storage devices

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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>
This commit is contained in:
Ye Li 2022-04-06 14:30:30 +08:00 committed by Stefano Babic
parent 4b33383fee
commit c41ffaa253
1 changed files with 36 additions and 0 deletions
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36
arch/arm/mach-imx/imx8ulp/soc.c
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@ -27,6 +27,8 @@
#include <fuse.h>
#include <thermal.h>
#include <linux/iopoll.h>
#include <env.h>
#include <env_internal.h>
DECLARE_GLOBAL_DATA_PTR;
@ -787,3 +789,37 @@ 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;
}