arm: baltos: fix NAND boot

Specify proper U-Boot offset, enable prefetch mode,
increase bootm size and add FIT fallback, if board_name
is not present in kernel-fit.itb image.

Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>

diff --git a/include/configs/baltos.h b/include/configs/baltos.h
index 31de97f2860efb2cf292e43a8156d937bfc1a427..fb7818a6b84e80b1764973c3ffd6acb0c92f9ff6 100644 (file)
--- a/include/configs/baltos.h
+++ b/include/configs/baltos.h
@@ -16,6 +16,7 @@
 #ifndef __CONFIG_BALTOS_H
 #define __CONFIG_BALTOS_H
 
+#include <linux/sizes.h>
 #include <configs/ti_am335x_common.h>
 
 #define MACH_TYPE_TIAM335EVM           3589    /* Until the next sync */
@@ -39,6 +40,7 @@
 #define CONFIG_CMD_PART
 
 /* FIT support */
+#define CONFIG_SYS_BOOTM_LEN         SZ_64M
 #define CONFIG_OF_BOARD_SETUP
 
 /* UBI Support */
@@ -54,8 +56,9 @@
 #undef CONFIG_SYS_OMAP24_I2C_SPEED
 #define CONFIG_SYS_OMAP24_I2C_SPEED 1000
 
+#undef CONFIG_SPL_OS_BOOT
 #ifdef CONFIG_NAND
-#define CONFIG_SYS_NAND_U_BOOT_OFFS    0x000c0000
+#define CONFIG_SYS_NAND_U_BOOT_OFFS    0x00080000
 #ifdef CONFIG_SPL_OS_BOOT
 #define CONFIG_CMD_SPL_NAND_OFS 0x00080000 /* os parameters */
 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS 0x00200000 /* kernel offset */
@@ -78,7 +81,9 @@
                "ubifsmount ubi0:kernel; " \
                "ubifsload $loadaddr kernel-fit.itb;" \
                "ubifsumount; " \
-               "bootm ${loadaddr}#conf${board_name}\0"
+               "bootm ${loadaddr}#conf${board_name}; " \
+               "if test $? -ne 0; then echo Using default FIT config; " \
+               "bootm ${loadaddr}; fi;\0"
 #else
 #define NANDARGS ""
 #endif
@@ -234,6 +239,7 @@
 
 #ifdef CONFIG_NAND
 #define CONFIG_NAND_OMAP_GPMC
+#define CONFIG_NAND_OMAP_GPMC_PREFETCH
 #define CONFIG_NAND_OMAP_ELM
 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
 #define CONFIG_SYS_NAND_PAGE_COUNT     (CONFIG_SYS_NAND_BLOCK_SIZE / \