arm: atmel: sama5d3: add spi spl boot support
Add SPI SPL boot support for sama5d3xek board.
Signed-off-by: Bo Shen <voice.shen@atmel.com>
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
diff --git a/arch/arm/cpu/at91-common/spl.c b/arch/arm/cpu/at91-common/spl.c
index 37c0cc4..2598e09 100644
--- a/arch/arm/cpu/at91-common/spl.c
+++ b/arch/arm/cpu/at91-common/spl.c
@@ -52,6 +52,8 @@
{
#ifdef CONFIG_SYS_USE_MMC
return BOOT_DEVICE_MMC1;
+#elif CONFIG_SYS_USE_SERIALFLASH
+ return BOOT_DEVICE_SPI;
#endif
return BOOT_DEVICE_NONE;
}
diff --git a/arch/arm/include/asm/arch-at91/spl.h b/arch/arm/include/asm/arch-at91/spl.h
index 68c5349..f4ced49 100644
--- a/arch/arm/include/asm/arch-at91/spl.h
+++ b/arch/arm/include/asm/arch-at91/spl.h
@@ -14,6 +14,8 @@
BOOT_DEVICE_MMC1,
BOOT_DEVICE_MMC2,
BOOT_DEVICE_MMC2_2,
+#elif CONFIG_SYS_USE_SERIALFLASH
+ BOOT_DEVICE_SPI,
#endif
};
diff --git a/board/atmel/sama5d3xek/sama5d3xek.c b/board/atmel/sama5d3xek/sama5d3xek.c
index eff94a4..8a214de 100644
--- a/board/atmel/sama5d3xek/sama5d3xek.c
+++ b/board/atmel/sama5d3xek/sama5d3xek.c
@@ -307,6 +307,8 @@
{
#ifdef CONFIG_SYS_USE_MMC
sama5d3xek_mci_hw_init();
+#elif CONFIG_SYS_USE_SERIALFLASH
+ at91_spi0_hw_init(1 << 0);
#endif
}
diff --git a/include/configs/sama5d3xek.h b/include/configs/sama5d3xek.h
index c34feb5..510f22c 100644
--- a/include/configs/sama5d3xek.h
+++ b/include/configs/sama5d3xek.h
@@ -258,6 +258,8 @@
#define CONFIG_SPL_SERIAL_SUPPORT
#define CONFIG_SPL_BOARD_INIT
+#define CONFIG_SYS_MONITOR_LEN (512 << 10)
+
#ifdef CONFIG_SYS_USE_MMC
#define CONFIG_SPL_LDSCRIPT arch/arm/cpu/at91-common/u-boot-spl.lds
#define CONFIG_SPL_MMC_SUPPORT
@@ -267,6 +269,15 @@
#define CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME "u-boot.img"
#define CONFIG_SPL_FAT_SUPPORT
#define CONFIG_SPL_LIBDISK_SUPPORT
+
+#elif CONFIG_SYS_USE_SERIALFLASH
+#define CONFIG_SPL_SPI_SUPPORT
+#define CONFIG_SPL_SPI_FLASH_SUPPORT
+#define CONFIG_SPL_SPI_LOAD
+#define CONFIG_SPL_SPI_BUS 0
+#define CONFIG_SPL_SPI_CS 0
+#define CONFIG_SYS_SPI_U_BOOT_OFFS 0x8400
+
#endif
#endif