X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=arch%2Farm%2Fmach-at91%2Fspl.c;h=98f280cbf7732c460d291a1da0e64be08ecd57f0;hb=f35ed9edf3b92158925c466d04f8fc6986207089;hp=27a405a42bf884ed49f2646646637e910386057d;hpb=10697704ca579850b0edc0e772671c32586d76ee;p=oweals%2Fu-boot.git

diff --git a/arch/arm/mach-at91/spl.c b/arch/arm/mach-at91/spl.c
index 27a405a42b..98f280cbf7 100644
--- a/arch/arm/mach-at91/spl.c
+++ b/arch/arm/mach-at91/spl.c
@@ -23,6 +23,45 @@ void at91_disable_wdt(void)
 }
 #endif
 
+#if defined(CONFIG_SAMA5D2) || defined(CONFIG_SAMA5D3) || \
+    defined(CONFIG_SAMA5D4)
+#include <asm/arch/sama5_boot.h>
+struct {
+	u32	r4;
+} bootrom_stash __attribute__((section(".data")));
+
+u32 spl_boot_device(void)
+{
+	u32 dev = (bootrom_stash.r4 >> ATMEL_SAMA5_BOOT_FROM_OFF) &
+		  ATMEL_SAMA5_BOOT_FROM_MASK;
+	u32 off = (bootrom_stash.r4 >> ATMEL_SAMA5_BOOT_DEV_ID_OFF) &
+		  ATMEL_SAMA5_BOOT_DEV_ID_MASK;
+
+#if defined(CONFIG_SYS_USE_MMC)
+	if (dev == ATMEL_SAMA5_BOOT_FROM_MCI) {
+		if (off == 0)
+			return BOOT_DEVICE_MMC1;
+		if (off == 1)
+			return BOOT_DEVICE_MMC2;
+		printf("ERROR: MMC controller %i not present!\n", dev);
+		hang();
+	}
+#endif
+
+#if defined(CONFIG_SYS_USE_SERIALFLASH) || defined(CONFIG_SYS_USE_SPIFLASH)
+	if (dev == ATMEL_SAMA5_BOOT_FROM_SPI)
+		return BOOT_DEVICE_SPI;
+#endif
+
+	if (dev == ATMEL_SAMA5_BOOT_FROM_SAMBA)
+		return BOOT_DEVICE_USB;
+
+	printf("ERROR: SMC/TWI/QSPI boot device not supported!\n"
+	       "       Boot device %i, controller number %i\n", dev, off);
+
+	return BOOT_DEVICE_NONE;
+}
+#else
 u32 spl_boot_device(void)
 {
 #ifdef CONFIG_SYS_USE_MMC
@@ -34,12 +73,14 @@ u32 spl_boot_device(void)
 #endif
 	return BOOT_DEVICE_NONE;
 }
+#endif
 
-u32 spl_boot_mode(void)
+u32 spl_boot_mode(const u32 boot_device)
 {
-	switch (spl_boot_device()) {
+	switch (boot_device) {
 #ifdef CONFIG_SYS_USE_MMC
 	case BOOT_DEVICE_MMC1:
+	case BOOT_DEVICE_MMC2:
 		return MMCSD_MODE_FS;
 		break;
 #endif