imx: spl: implement spl_boot_mode for i.MX7/8/8M
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>
diff --git a/arch/arm/mach-imx/spl.c b/arch/arm/mach-imx/spl.c
index f025c4b..5cc74b6 100644
--- a/arch/arm/mach-imx/spl.c
+++ b/arch/arm/mach-imx/spl.c
@@ -189,6 +189,34 @@
/* 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 @@
puts("spl: ERROR: unsupported device\n");
hang();
}
+#endif
}
#endif