From 9d9096043e8f713d4bf1743d32e1459e6a11644b Mon Sep 17 00:00:00 2001
From: Stefan Roese <sr@denx.de>
Date: Fri, 1 Jun 2007 15:29:04 +0200
Subject: [PATCH] ppc4xx: Update Sequoia NAND booting support with ECC

Signed-off-by: Stefan Roese <sr@denx.de>
---
 board/amcc/sequoia/sdram.c           |  4 ++++
 include/configs/sequoia.h            | 13 ++++++++++---
 nand_spl/board/amcc/sequoia/Makefile | 11 ++++++-----
 3 files changed, 20 insertions(+), 8 deletions(-)

diff --git a/board/amcc/sequoia/sdram.c b/board/amcc/sequoia/sdram.c
index f8b837ed28..826d192501 100644
--- a/board/amcc/sequoia/sdram.c
+++ b/board/amcc/sequoia/sdram.c
@@ -379,7 +379,11 @@ void denali_core_search_data_eye(unsigned long memory_size)
 long int initdram (int board_type)
 {
 #if !defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL)
+#if !defined(CONFIG_NAND_SPL)
 	ulong speed = get_bus_freq(0);
+#else
+	ulong speed = 133333333;	/* 133MHz is on the safe side	*/
+#endif
 
 	mtsdram(DDR0_02, 0x00000000);
 
diff --git a/include/configs/sequoia.h b/include/configs/sequoia.h
index 1f19621f44..0b808887b4 100644
--- a/include/configs/sequoia.h
+++ b/include/configs/sequoia.h
@@ -166,12 +166,19 @@
 /*
  * Now the NAND chip has to be defined (no autodetection used!)
  */
-#define CFG_NAND_PAGE_SIZE	(512)		/* NAND chip page size		*/
+#define CFG_NAND_PAGE_SIZE	512		/* NAND chip page size		*/
 #define CFG_NAND_BLOCK_SIZE	(16 << 10)	/* NAND chip block size		*/
-#define CFG_NAND_PAGE_COUNT	(32)		/* NAND chip page count		*/
-#define CFG_NAND_BAD_BLOCK_POS	(5)		/* Location of bad block marker	*/
+#define CFG_NAND_PAGE_COUNT	32		/* NAND chip page count		*/
+#define CFG_NAND_BAD_BLOCK_POS	5		/* Location of bad block marker	*/
 #undef CFG_NAND_4_ADDR_CYCLE			/* No fourth addr used (<=32MB)	*/
 
+#define CFG_NAND_ECCSIZE	256
+#define CFG_NAND_ECCBYTES	3
+#define CFG_NAND_ECCSTEPS	(CFG_NAND_PAGE_SIZE / CFG_NAND_ECCSIZE)
+#define CFG_NAND_OOBSIZE	16
+#define CFG_NAND_ECCTOTAL	(CFG_NAND_ECCBYTES * CFG_NAND_ECCSTEPS)
+#define CFG_NAND_ECCPOS		{0, 1, 2, 3, 6, 7}
+
 #ifdef CFG_ENV_IS_IN_NAND
 /*
  * For NAND booting the environment is embedded in the U-Boot image. Please take
diff --git a/nand_spl/board/amcc/sequoia/Makefile b/nand_spl/board/amcc/sequoia/Makefile
index 510999db03..ce39032a91 100644
--- a/nand_spl/board/amcc/sequoia/Makefile
+++ b/nand_spl/board/amcc/sequoia/Makefile
@@ -30,7 +30,7 @@ AFLAGS	+= -DCONFIG_NAND_SPL
 CFLAGS	+= -DCONFIG_NAND_SPL
 
 SOBJS	= start.o init.o resetvec.o
-COBJS	= nand_boot.o ndfc.o sdram.o speed.o
+COBJS	= nand_boot.o nand_ecc.o ndfc.o sdram.o
 
 SRCS	:= $(addprefix $(obj),$(SOBJS:.o=.S) $(COBJS:.o=.c))
 OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))
@@ -69,10 +69,6 @@ $(obj)start.S:
 	@rm -f $(obj)start.S
 	ln -s $(SRCTREE)/cpu/ppc4xx/start.S $(obj)start.S
 
-$(obj)speed.c:
-	@rm -f $(obj)speed.c
-	ln -s $(SRCTREE)/cpu/ppc4xx/speed.c $(obj)speed.c
-
 # from board directory
 $(obj)init.S:
 	@rm -f $(obj)init.S
@@ -89,6 +85,11 @@ $(obj)nand_boot.c:
 	@rm -f $(obj)nand_boot.c
 	ln -s $(SRCTREE)/nand_spl/nand_boot.c $(obj)nand_boot.c
 
+# from drivers/nand directory
+$(obj)nand_ecc.c:
+	@rm -f $(obj)nand_ecc.c
+	ln -s $(SRCTREE)/drivers/nand/nand_ecc.c $(obj)nand_ecc.c
+
 #########################################################################
 
 $(obj)%.o:	$(obj)%.S