[U-Boot] [PATCH 1/2] OMAP3: am3517_evm: Use BCH8 ECC for NAND

Derald D. Woods woods.technical at gmail.com
Sat Mar 5 20:19:58 CET 2016


Select 8-bit BCH ecc-scheme with s/w based error correction
- OMAP_ECC_BCH8_CODE_HW_DETECTION_SW

Signed-off-by: Derald D. Woods <woods.technical at gmail.com>
---
 include/configs/am3517_evm.h | 23 ++++++++++++++++-------
 1 file changed, 16 insertions(+), 7 deletions(-)

diff --git a/include/configs/am3517_evm.h b/include/configs/am3517_evm.h
index 4d662ad..98a59c5 100644
--- a/include/configs/am3517_evm.h
+++ b/include/configs/am3517_evm.h
@@ -328,8 +328,8 @@
 #define CONFIG_SPL_FRAMEWORK
 #define CONFIG_SPL_BOARD_INIT
 #define CONFIG_SPL_NAND_SIMPLE
-#define CONFIG_SPL_TEXT_BASE		0x40200800
-#define CONFIG_SPL_MAX_SIZE		(54 * 1024)	/* 8 KB for stack */
+#define CONFIG_SPL_TEXT_BASE		0x40200000
+#define CONFIG_SPL_MAX_SIZE		(64 * 1024)
 
 #define CONFIG_SPL_BSS_START_ADDR	0x80000000
 #define CONFIG_SPL_BSS_MAX_SIZE		0x80000		/* 512 KB */
@@ -354,17 +354,26 @@
 #define CONFIG_SPL_LDSCRIPT		"$(CPUDIR)/omap-common/u-boot-spl.lds"
 
 /* NAND boot config */
+#define CONFIG_BCH
+#define CONFIG_SYS_NAND_BUSWIDTH_16BIT
 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
 #define CONFIG_SYS_NAND_PAGE_COUNT	64
 #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_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}
+#define CONFIG_SYS_NAND_ECCPOS		{ 2,  3,  4,  5,  6,  7,  8,  9, 10, \
+					 11, 12, 13, 14, 16, 17, 18, 19, 20, \
+					 21, 22, 23, 24, 25, 26, 27, 28, 30, \
+					 31, 32, 33, 34, 35, 36, 37, 38, 39, \
+					 40, 41, 42, 44, 45, 46, 47, 48, 49, \
+					 50, 51, 52, 53, 54, 55, 56 }
+
 #define CONFIG_SYS_NAND_ECCSIZE		512
-#define CONFIG_SYS_NAND_ECCBYTES	3
-#define CONFIG_NAND_OMAP_ECCSCHEME	OMAP_ECC_HAM1_CODE_HW
+#define CONFIG_SYS_NAND_ECCBYTES	13
+#define CONFIG_NAND_OMAP_ECCSCHEME	OMAP_ECC_BCH8_CODE_HW_DETECTION_SW
+#define CONFIG_SYS_NAND_MAX_OOBFREE	2
+#define CONFIG_SYS_NAND_MAX_ECCPOS	56
 #define CONFIG_SYS_NAND_U_BOOT_START	CONFIG_SYS_TEXT_BASE
 #define CONFIG_SYS_NAND_U_BOOT_OFFS	0x80000
 
-- 
2.7.2



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