am335x_evm: enable SPL NAND support
Enable booting from NAND support from AM335x boards as well as
environment in NAND.
Signed-off-by: Ilya Yanok <ilya.yanok@cogentembedded.com>
diff --git a/include/configs/am335x_evm.h b/include/configs/am335x_evm.h
index ded1cab..6abe544 100644
--- a/include/configs/am335x_evm.h
+++ b/include/configs/am335x_evm.h
@@ -240,6 +240,35 @@
#define CONFIG_SYS_SPI_U_BOOT_SIZE 0x40000
#define CONFIG_SPL_LDSCRIPT "$(CPUDIR)/omap-common/u-boot-spl.lds"
+#define CONFIG_SPL_BOARD_INIT
+#define CONFIG_SPL_NAND_AM33XX_BCH
+#define CONFIG_SPL_NAND_SUPPORT
+#define CONFIG_SYS_NAND_5_ADDR_CYCLE
+#define CONFIG_SYS_NAND_PAGE_COUNT (CONFIG_SYS_NAND_BLOCK_SIZE / \
+ CONFIG_SYS_NAND_PAGE_SIZE)
+#define CONFIG_SYS_NAND_PAGE_SIZE 2048
+#define CONFIG_SYS_NAND_OOBSIZE 64
+#define CONFIG_SYS_NAND_BLOCK_SIZE (128*1024)
+#define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS
+#define CONFIG_SYS_NAND_ECCPOS { 2, 3, 4, 5, 6, 7, 8, 9, \
+ 10, 11, 12, 13, 14, 15, 16, 17, \
+ 18, 19, 20, 21, 22, 23, 24, 25, \
+ 26, 27, 28, 29, 30, 31, 32, 33, \
+ 34, 35, 36, 37, 38, 39, 40, 41, \
+ 42, 43, 44, 45, 46, 47, 48, 49, \
+ 50, 51, 52, 53, 54, 55, 56, 57, }
+
+#define CONFIG_SYS_NAND_ECCSIZE 512
+#define CONFIG_SYS_NAND_ECCBYTES 14
+
+#define CONFIG_SYS_NAND_ECCSTEPS 4
+#define CONFIG_SYS_NAND_ECCTOTAL (CONFIG_SYS_NAND_ECCBYTES * \
+ CONFIG_SYS_NAND_ECCSTEPS)
+
+#define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE
+
+#define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000
+
/*
* 1MB into the SDRAM to allow for SPL's bss at the beginning of SDRAM
* 64 bytes before this address should be set aside for u-boot.img's
@@ -283,7 +312,12 @@
#define CONFIG_SYS_NAND_BASE (0x08000000) /* physical address */
/* to access nand at */
/* CS0 */
-#define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of NAND */
-#endif /* devices */
+#define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of NAND
+ devices */
+#undef CONFIG_ENV_IS_NOWHERE
+#define CONFIG_ENV_IS_IN_NAND
+#define CONFIG_ENV_OFFSET 0x260000 /* environment starts here */
+#define CONFIG_SYS_ENV_SECT_SIZE (128 << 10) /* 128 KiB */
+#endif
#endif /* ! __CONFIG_AM335X_EVM_H */