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-rw-r--r--board/samsung/smdk5420/smdk5420.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/board/samsung/smdk5420/smdk5420.c b/board/samsung/smdk5420/smdk5420.c
index 8021f779e0..88f4044d63 100644
--- a/board/samsung/smdk5420/smdk5420.c
+++ b/board/samsung/smdk5420/smdk5420.c
@@ -19,6 +19,7 @@
#include <power/tps65090_pmic.h>
#include <i2c.h>
#include <lcd.h>
+#include <mmc.h>
#include <parade.h>
#include <spi.h>
#include <usb.h>
@@ -111,3 +112,32 @@ int board_usb_init(int index, enum usb_init_type init)
return dwc3_uboot_init(&dwc3_device_data);
}
#endif
+#ifdef CONFIG_SET_DFU_ALT_INFO
+char *get_dfu_alt_system(char *interface, char *devstr)
+{
+ return getenv("dfu_alt_system");
+}
+
+char *get_dfu_alt_boot(char *interface, char *devstr)
+{
+ struct mmc *mmc;
+ char *alt_boot;
+ int dev_num;
+
+ dev_num = simple_strtoul(devstr, NULL, 10);
+
+ mmc = find_mmc_device(dev_num);
+ if (!mmc)
+ return NULL;
+
+ if (mmc_init(mmc))
+ return NULL;
+
+ if (IS_SD(mmc))
+ alt_boot = CONFIG_DFU_ALT_BOOT_SD;
+ else
+ alt_boot = CONFIG_DFU_ALT_BOOT_EMMC;
+
+ return alt_boot;
+}
+#endif
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