am43xx_evm: Enable NAND boot

Enable booting from NAND on the am437xx-evm.

Signed-off-by: Tom Rini <trini@ti.com>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>

diff --git a/include/configs/am43xx_evm.h b/include/configs/am43xx_evm.h
index 482a99a..fce34fa 100644 (file)
--- a/include/configs/am43xx_evm.h
+++ b/include/configs/am43xx_evm.h
@@ -295,13 +295,15 @@
                        "setenv fdtfile am437x-idk-evm.dtb; fi; " \
                "if test $fdtfile = undefined; then " \
                        "echo WARNING: Could not determine device tree; fi; \0" \
+       NANDARGS \
        NETARGS \
        DFUARGS \
 
 #define CONFIG_BOOTCOMMAND \
        "run findfdt; " \
        "run mmcboot;" \
-       "run usbboot;"
+       "run usbboot;" \
+       NANDBOOT \
 
 #endif
 
@@ -390,6 +392,24 @@
 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS        0x00300000 /* kernel offset */
 #define CONFIG_CMD_SPL_WRITE_SIZE      CONFIG_SYS_NAND_BLOCK_SIZE
 #endif
-#endif /* !CONFIG_NAND */
+#define NANDARGS \
+       "mtdids=" MTDIDS_DEFAULT "\0" \
+       "mtdparts=" MTDPARTS_DEFAULT "\0" \
+       "nandargs=setenv bootargs console=${console} " \
+               "${optargs} " \
+               "root=${nandroot} " \
+               "rootfstype=${nandrootfstype}\0" \
+       "nandroot=ubi0:rootfs rw ubi.mtd=NAND.file-system,4096\0" \
+       "nandrootfstype=ubifs rootwait=1\0" \
+       "nandboot=echo Booting from nand ...; " \
+               "run nandargs; " \
+               "nand read ${fdtaddr} NAND.u-boot-spl-os; " \
+               "nand read ${loadaddr} NAND.kernel; " \
+               "bootz ${loadaddr} - ${fdtaddr}\0"
+#define NANDBOOT                       "run nandboot; "
+#else /* !CONFIG_NAND */
+#define NANDARGS
+#define NANDBOOT
+#endif /* CONFIG_NAND */
 
 #endif /* __CONFIG_AM43XX_EVM_H */