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imx: spl: implement spl_boot_mode for i.MX7/8/8M

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It will be easy to separate SD/EMMC when booting in SPL stage, then
no need to bother which device is BOOT_DEVICE_MMC1/2.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
This commit is contained in:
Peng Fan 2019-10-16 10:24:25 +00:00 • committed by Stefano Babic
parent 2dfecdd1ed
commit 9d86dbd9cf
1 changed files with 29 additions and 0 deletions
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29
arch/arm/mach-imx/spl.c
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@ -189,6 +189,34 @@ int g_dnl_bind_fixup(struct usb_device_descriptor *dev, const char *name)
/* called from spl_mmc to see type of boot mode for storage (RAW or FAT) */
u32 spl_boot_mode(const u32 boot_device)
{
#if defined(CONFIG_MX7) || defined(CONFIG_IMX8M) || defined(CONFIG_IMX8)
switch (get_boot_device()) {
/* for MMC return either RAW or FAT mode */
case SD1_BOOT:
case SD2_BOOT:
case SD3_BOOT:
#if defined(CONFIG_SPL_FAT_SUPPORT)
return MMCSD_MODE_FS;
#else
return MMCSD_MODE_RAW;
#endif
break;
case MMC1_BOOT:
case MMC2_BOOT:
case MMC3_BOOT:
#if defined(CONFIG_SPL_FAT_SUPPORT)
return MMCSD_MODE_FS;
#elif defined(CONFIG_SUPPORT_EMMC_BOOT)
return MMCSD_MODE_EMMCBOOT;
#else
return MMCSD_MODE_RAW;
#endif
break;
default:
puts("spl: ERROR: unsupported device\n");
hang();
}
#else
/*
* When CONFIG_SPL_FORCE_MMC_BOOT is defined the 'boot_device' is used
* unconditionally to decide about device to use for booting.
@ -217,6 +245,7 @@ u32 spl_boot_mode(const u32 boot_device)
puts("spl: ERROR: unsupported device\n");
hang();
}
#endif
}
#endif