/* Translate iMX7/MX8M boot device to the SPL boot device enumeration */
u32 spl_boot_device(void)
{
+#if defined(CONFIG_MX7)
+ unsigned int bmode = readl(&src_base->sbmr2);
+
+ /*
+ * Check for BMODE if serial downloader is enabled
+ * BOOT_MODE - see IMX7DRM Table 6-24
+ */
+ if (((bmode >> 24) & 0x03) == 0x01) /* Serial Downloader */
+ return BOOT_DEVICE_BOARD;
+
+ /*
+ * The above method does not detect that the boot ROM used
+ * serial downloader in case the boot ROM decided to use the
+ * serial downloader as a fall back (primary boot source failed).
+ *
+ * Infer that the boot ROM used the USB serial downloader by
+ * checking whether the USB PHY is currently active... This
+ * assumes that SPL did not (yet) initialize the USB PHY...
+ */
+ if (is_boot_from_usb())
+ return BOOT_DEVICE_BOARD;
+#endif
+
enum boot_device boot_device_spl = get_boot_device();
switch (boot_device_spl) {
}
#endif
+#if defined(CONFIG_SPL_MMC_SUPPORT)
+/* called from spl_mmc to see type of boot mode for storage (RAW or FAT) */
+u32 spl_boot_mode(const u32 boot_device)
+{
+ switch (spl_boot_device()) {
+ /* for MMC return either RAW or FAT mode */
+ case BOOT_DEVICE_MMC1:
+ case BOOT_DEVICE_MMC2:
+#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();
+ }
+}
+#endif
+
#if defined(CONFIG_SECURE_BOOT)
/*