am33xx: Add SPI SPL as an option

Add the required config.mk logic for this SoC as well as the BOOT_DEVICE
define.  Finally, enable the options on the am335x_evm.

Signed-off-by: Tom Rini <trini@ti.com>

diff --git a/arch/arm/cpu/armv7/am33xx/config.mk b/arch/arm/cpu/armv7/am33xx/config.mk
index 5750bbd..babf0eb 100644 (file)
--- a/arch/arm/cpu/armv7/am33xx/config.mk
+++ b/arch/arm/cpu/armv7/am33xx/config.mk
@@ -13,6 +13,7 @@
 #
 ifdef CONFIG_SPL_BUILD
 ALL-y  += $(OBJTREE)/MLO
+ALL-$(CONFIG_SPL_SPI_SUPPORT) += $(OBJTREE)/MLO.byteswap
 else
 ALL-y  += $(obj)u-boot.img
 endif

diff --git a/arch/arm/include/asm/arch-am33xx/spl.h b/arch/arm/include/asm/arch-am33xx/spl.h
index 63ed10b..644ff35 100644 (file)
--- a/arch/arm/include/asm/arch-am33xx/spl.h
+++ b/arch/arm/include/asm/arch-am33xx/spl.h
@@ -27,6 +27,7 @@
 #define BOOT_DEVICE_NAND       5
 #define BOOT_DEVICE_MMC1       8
 #define BOOT_DEVICE_MMC2       9       /* eMMC or daughter card */
+#define BOOT_DEVICE_SPI                11
 #define BOOT_DEVICE_UART       65
 #define BOOT_DEVICE_CPGMAC     70
 #define BOOT_DEVICE_MMC2_2      0xFF

diff --git a/include/configs/am335x_evm.h b/include/configs/am335x_evm.h
index 9d80739..58d62d0 100644 (file)
--- a/include/configs/am335x_evm.h
+++ b/include/configs/am335x_evm.h
@@ -218,6 +218,13 @@
 #define CONFIG_SPL_NET_SUPPORT
 #define CONFIG_SPL_NET_VCI_STRING      "AM335x U-Boot SPL"
 #define CONFIG_SPL_ETH_SUPPORT
+#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     0x20000
+#define CONFIG_SYS_SPI_U_BOOT_SIZE     0x40000
 #define CONFIG_SPL_LDSCRIPT            "$(CPUDIR)/omap-common/u-boot-spl.lds"
 
 /*