1 files changed, 50 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/spl.c b/arch/arm/mach-at91/spl.c
new file mode 100644
index 0000000000..aaa5eec2e6
--- /dev/null
+++ b/arch/arm/mach-at91/spl.c
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2013 Atmel Corporation
+ *		      Bo Shen <voice.shen@atmel.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/at91_common.h>
+#include <asm/arch/at91_wdt.h>
+#include <asm/arch/clk.h>
+#include <spl.h>
+
+#if defined(CONFIG_AT91SAM9_WATCHDOG)
+void at91_disable_wdt(void) { }
+#else
+void at91_disable_wdt(void)
+{
+	struct at91_wdt *wdt = (struct at91_wdt *)ATMEL_BASE_WDT;
+
+	writel(AT91_WDT_MR_WDDIS, &wdt->mr);
+}
+#endif
+
+u32 spl_boot_device(void)
+{
+#ifdef CONFIG_SYS_USE_MMC
+	return BOOT_DEVICE_MMC1;
+#elif CONFIG_SYS_USE_NANDFLASH
+	return BOOT_DEVICE_NAND;
+#elif CONFIG_SYS_USE_SERIALFLASH
+	return BOOT_DEVICE_SPI;
+#endif
+	return BOOT_DEVICE_NONE;
+}
+
+u32 spl_boot_mode(void)
+{
+	switch (spl_boot_device()) {
+#ifdef CONFIG_SYS_USE_MMC
+	case BOOT_DEVICE_MMC1:
+		return MMCSD_MODE_FS;
+		break;
+#endif
+	case BOOT_DEVICE_NONE:
+	default:
+		hang();
+	}
+}