From 00c35bd2140f02111612771ca9c53dc8b58205eb Mon Sep 17 00:00:00 2001
From: =?utf8?q?Markus=20Klotzb=FCcher?= <Markus Klotzbümk@pollux.(none)>
Date: Tue, 28 Feb 2006 22:51:01 +0100
Subject: [PATCH] Added GPIO initialization of DF signal. Still not working.

---
 board/delta/nand.c      | 42 +++++++++++++++++++++++++++++++++++++++--
 config.mk               |  7 ++++++-
 cpu/pxa/config.mk       |  1 +
 include/configs/delta.h |  2 +-
 4 files changed, 48 insertions(+), 4 deletions(-)

diff --git a/board/delta/nand.c b/board/delta/nand.c
index 9caddba064..bd1bb4f698 100644
--- a/board/delta/nand.c
+++ b/board/delta/nand.c
@@ -141,7 +141,7 @@ static void delta_cmdfunc(struct mtd_info *mtd, unsigned command,
 	switch (command) {
 	case NAND_CMD_READID:
 		printk("delta_cmdfunc: NAND_CMD_READID.\n");
-		ndcb0 |= ((3 << 21) | (2 << 16));
+		ndcb0 |= ((3 << 21) | (1 << 16)); /* addr cycles*/
 		break;
 	case NAND_CMD_PAGEPROG:
 	case NAND_CMD_ERASE1:
@@ -161,6 +161,43 @@ static void delta_cmdfunc(struct mtd_info *mtd, unsigned command,
 	NDCB2 = ndcb2;	
 }
 
+void delta_dfc_gpio_init()
+{
+	printf("Setting up DFC GPIO's.\n");
+
+	/* no idea what is done here, see zylonite.c */
+	GPIO4 = 0x1;
+	
+	DF_ALE_WE1 = 0x00000001;
+	DF_ALE_WE2 = 0x00000001;
+	DF_nCS0 = 0x00000001;
+	DF_nCS1 = 0x00000001;
+	DF_nWE = 0x00000001;
+	DF_nRE = 0x00000001;
+	DF_IO0 = 0x00000001;
+	DF_IO8 = 0x00000001;
+	DF_IO1 = 0x00000001;
+	DF_IO9 = 0x00000001;
+	DF_IO2 = 0x00000001;
+	DF_IO10 = 0x00000001;
+	DF_IO3 = 0x00000001;
+	DF_IO11 = 0x00000001;
+	DF_IO4 = 0x00000001;
+	DF_IO12 = 0x00000001;
+	DF_IO5 = 0x00000001;
+	DF_IO13 = 0x00000001;
+	DF_IO6 = 0x00000001;
+	DF_IO14 = 0x00000001;
+	DF_IO7 = 0x00000001;
+	DF_IO15 = 0x00000001;
+
+	DF_nWE = 0x1901;
+	DF_nRE = 0x1901;
+	DF_CLE_NOE = 0x1900;
+	DF_ALE_WE1 = 0x1901;
+	DF_INT_RnB = 0x1900;
+}
+
 /*
  * Board-specific NAND initialization. The following members of the
  * argument are board-specific (per include/linux/mtd/nand_new.h):
@@ -184,7 +221,8 @@ void board_nand_init(struct nand_chip *nand)
 	unsigned long tCH, tCS, tWH, tWP, tRH, tRP, tRP_high, tR, tWHR, tAR;
 
 	/* set up GPIO Control Registers */
-	
+	delta_dfc_gpio_init();
+
 	/* turn on the NAND Controller Clock (104 MHz @ D0) */
 	CKENA |= (CKENA_4_NAND | CKENA_9_SMC);
 	
diff --git a/config.mk b/config.mk
index 2c6cfb4b3c..aef099ec86 100644
--- a/config.mk
+++ b/config.mk
@@ -132,9 +132,14 @@ CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes
 endif
 
 ifdef WILD_WILD_WEST
-CFLAGS := $(CFLAGS) -Werror
+CFLAGS := $(CPPFLAGS) -Werror
 endif
 
+ifdef NO_JUMP
+CFLAGS := $(CPPFLAGS) -fno-schedule-insns -fno-schedule-insns2
+endif
+
+
 # avoid trigraph warnings while parsing pci.h (produced by NIOS gcc-2.9)
 # this option have to be placed behind -Wall -- that's why it is here
 ifeq ($(ARCH),nios)
diff --git a/cpu/pxa/config.mk b/cpu/pxa/config.mk
index fb810ca7c2..f30a1fe1ad 100644
--- a/cpu/pxa/config.mk
+++ b/cpu/pxa/config.mk
@@ -33,4 +33,5 @@ PLATFORM_CPPFLAGS += -march=armv5 -mtune=xscale
 #
 # ========================================================================
 PLATFORM_CPPFLAGS +=$(call cc-option,-mapcs-32,-mabi=apcs-gnu)
+# for gcc-3x: PLATFORM_CPPFLAGS +=$(call cc-option,-mapcs-32)
 PLATFORM_RELFLAGS +=$(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,))
diff --git a/include/configs/delta.h b/include/configs/delta.h
index 9bc2954902..ac412ee878 100644
--- a/include/configs/delta.h
+++ b/include/configs/delta.h
@@ -164,7 +164,7 @@
  */
 /* Use the new NAND code. (BOARDLIBS = drivers/nand/libnand.a required) */
 #define CONFIG_NEW_NAND_CODE
-#define CFG_NAND0_BASE		0x10000000
+#define CFG_NAND0_BASE		0x43100040 /* 0x10000000 */
 #undef CFG_NAND1_BASE
 
 #define CFG_NAND_BASE_LIST	{ CFG_NAND0_BASE }
-- 
2.39.2