ColdFire: Update for M54451EVB

Update serial boot DRAM's Internal RAM, vector table and DRAM in
start.S, serial flash's read status command over SPI and NOR
flash.

Signed-off-by: TsiChung Liew <tsicliew@gmail.com>

5 files changed, 82 insertions, 66 deletions

diff --git a/Makefile b/Makefile
index 090e645..0314844 100644
--- a/Makefile
+++ b/Makefile
@@ -2108,18 +2108,15 @@ M5373EVB_config :	unconfig
 	@$(MKCONFIG) -a M5373EVB m68k mcf532x m5373evb freescale
 
 M54451EVB_config \
-M54451EVB_spansion_config \
 M54451EVB_stmicro_config :	unconfig
 	@case "$@" in \
-	M54451EVB_config)		FLASH=SPANSION;; \
-	M54451EVB_spansion_config)	FLASH=SPANSION;; \
+	M54451EVB_config)		FLASH=NOR;; \
 	M54451EVB_stmicro_config)	FLASH=STMICRO;; \
 	esac; \
-	if [ "$${FLASH}" = "SPANSION" ] ; then \
-		echo "#define CONFIG_SYS_SPANSION_BOOT"	>> $(obj)include/config.h ; \
+	if [ "$${FLASH}" = "NOR" ] ; then \
 		echo "TEXT_BASE = 0x00000000" > $(obj)board/freescale/m54451evb/config.tmp ; \
 		cp $(obj)board/freescale/m54451evb/u-boot.spa $(obj)board/freescale/m54451evb/u-boot.lds ; \
-		$(XECHO) "... with SPANSION boot..." ; \
+		$(XECHO) "... with NOR boot..." ; \
 	fi; \
 	if [ "$${FLASH}" = "STMICRO" ] ; then \
 		echo "#define CONFIG_CF_SBF"	>> $(obj)include/config.h ; \
diff --git a/board/freescale/m54451evb/u-boot.spa b/board/freescale/m54451evb/u-boot.spa
index 08e184c..d8caefa 100644
--- a/board/freescale/m54451evb/u-boot.spa
+++ b/board/freescale/m54451evb/u-boot.spa
@@ -56,10 +56,13 @@ SECTIONS
     /* the sector layout of our flash chips!	XXX FIXME XXX	*/
 
     cpu/mcf5445x/start.o		(.text)
-    lib_m68k/traps.o		(.text)
-    lib_m68k/interrupts.o	(.text)
+    cpu/mcf5445x/libmcf5445x.a	(.text)
+    lib_m68k/libm68k.a		(.text)
+    common/cmd_flash.o		(.text)
     common/dlmalloc.o		(.text)
-    lib_generic/zlib.o		(.text)
+    common/main.o		(.text)
+    common/image.o		(.text)
+    lib_generic/libgeneric.a	(.text)
 
     . = DEFINED(env_offset) ? env_offset : .;
     common/env_embedded.o	(.text)
diff --git a/cpu/mcf5445x/dspi.c b/cpu/mcf5445x/dspi.c
index 6d3ebab..59133e8 100644
--- a/cpu/mcf5445x/dspi.c
+++ b/cpu/mcf5445x/dspi.c
@@ -159,12 +159,10 @@ int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout,
 			dspi_rx();
 			return 0;
 		case 0x05:	/* Read Status */
-			if (len == 4)
-				if ((spi_wr[1] == 0xFF) && (spi_wr[2] == 0xFF)
-				    && (spi_wr[3] == 0xFF)) {
-					dspi_tx(slave->cs, 0x80, *spi_wr);
-					dspi_rx();
-				}
+			if (len == 1) {
+				dspi_tx(slave->cs, 0x80, *spi_wr);
+				dspi_rx();
+			}
 			return 0;
 		case 0x06:	/* WREN */
 			dspi_tx(slave->cs, 0x00, *spi_wr);
diff --git a/cpu/mcf5445x/start.S b/cpu/mcf5445x/start.S
index 26fb2ce..c156bab 100644
--- a/cpu/mcf5445x/start.S
+++ b/cpu/mcf5445x/start.S
@@ -149,9 +149,35 @@ asm_sbf_img_hdr:
 	.long	0x00030000	/* image length */
 	.long	TEXT_BASE	/* image to be relocated at */
 
+
+
 asm_dram_init:
+	move.w #0x2700,%sr		/* Mask off Interrupt */
+
+	move.l	#CONFIG_SYS_INIT_RAM_ADDR, %d0
+	movec	%d0, %VBR
+
 	move.l	#(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_CTRL), %d0
-	movec	%d0, %RAMBAR1	/* init Rambar */
+	movec	%d0, %RAMBAR1
+
+	/* initialize general use internal ram */
+	move.l #0, %d0
+	move.l #(CACR_STATUS), %a1	/* CACR */
+	move.l #(ICACHE_STATUS), %a2	/* icache */
+	move.l #(DCACHE_STATUS), %a3	/* dcache */
+	move.l %d0, (%a1)
+	move.l %d0, (%a2)
+	move.l %d0, (%a3)
+
+	/* invalidate and disable cache */
+	move.l	#0x01004100, %d0	/* Invalidate cache cmd */
+	movec	%d0, %CACR		/* Invalidate cache */
+	move.l	#0, %d0
+	movec	%d0, %ACR0
+	movec	%d0, %ACR1
+	movec	%d0, %ACR2
+	movec	%d0, %ACR3
+
 	move.l	#(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET), %sp
 	clr.l %sp@-
 
@@ -163,10 +189,7 @@ asm_dram_init:
 	move.l	#0xFC008004, %a1
 	move.l	#(CONFIG_SYS_CS0_MASK), (%a1)
 
-	/*
-	 * Dram Initialization
-	 * a1, a2, and d0
-	 */
+	/* Dram Initialization a1, a2, and d0 */
 	/* mscr sdram */
 	move.l	#0xFC0A4074, %a1
 	move.b	#(CONFIG_SYS_SDRAM_DRV_STRENGTH), (%a1)
@@ -209,24 +232,21 @@ dramsz_loop:
 	move.l	#0xFC0B8000, %a1	/* Mode */
 	move.l	#0xFC0B8004, %a2	/* Ctrl */
 
-#ifdef CONFIG_M54455EVB
 	/* Issue PALL */
 	move.l	#(CONFIG_SYS_SDRAM_CTRL + 2), (%a2)
 	nop
 
+#ifdef CONFIG_M54455EVB
 	/* Issue LEMR */
 	move.l	#(CONFIG_SYS_SDRAM_EMOD + 0x408), (%a1)
 	nop
 	move.l	#(CONFIG_SYS_SDRAM_MODE + 0x300), (%a1)
 	nop
-
-	move.l	#1000, %d0
-wait1000:
-	nop
-	subq.l	#1, %d0
-	bne	wait1000
 #endif
 
+	move.l	#1000, %d1
+	jsr	asm_delay
+
 	/* Issue PALL */
 	move.l	#(CONFIG_SYS_SDRAM_CTRL + 2), (%a2)
 	nop
@@ -246,25 +266,24 @@ wait1000:
 	move.l	#(CONFIG_SYS_SDRAM_MODE), (%a1)
 	nop
 	move.l	#(CONFIG_SYS_SDRAM_EMOD), (%a1)
-	nop
 #endif
 
-	move.l	#500, %d0
-wait500:
-	nop
-	subq.l	#1, %d0
-	bne	wait500
+	move.l	#500, %d1
+	jsr	asm_delay
 
-	move.l	#(CONFIG_SYS_SDRAM_CTRL), %d0
-	and.l	#0x7FFFFFFF, %d0
+	move.l	#(CONFIG_SYS_SDRAM_CTRL), %d1
+	and.l	#0x7FFFFFFF, %d1
 #ifdef CONFIG_M54455EVB
-	or.l	#0x10000c00, %d0
+	or.l	#0x10000C00, %d1
 #elif defined(CONFIG_M54451EVB)
-	or.l	#0x10000000, %d0
+	or.l	#0x10000C00, %d1
 #endif
-	move.l	%d0, (%a2)
+	move.l	%d1, (%a2)
 	nop
 
+	move.l	#2000, %d1
+	jsr	asm_delay
+
 	/*
 	 * DSPI Initialization
 	 * a0 - general, sram - 0x80008000 - 32, see M54455EVB.h
@@ -274,6 +293,7 @@ wait500:
 	 * a4 - Dst addr
 	 */
 	/* Enable pins for DSPI mode - chip-selects are enabled later */
+asm_dspi_init:
 	move.l	#0xFC0A4063, %a0
 	move.b	#0x7F, (%a0)
 
@@ -367,27 +387,29 @@ asm_dspi_rd_status:
 
 	move.b	(%a3), %d1
 	rts
+
+asm_delay:
+	nop
+	subq.l	#1, %d1
+	bne	asm_delay
+	rts
 #endif			/* CONFIG_CF_SBF */
 
 	.text
 	. = 0x400
 	.globl	_start
 _start:
+#if !defined(CONFIG_CF_SBF)
 	nop
 	nop
 	move.w #0x2700,%sr		/* Mask off Interrupt */
 
 	/* Set vector base register at the beginning of the Flash */
-#if defined(CONFIG_CF_SBF)
-	move.l	#TEXT_BASE, %d0
-	movec	%d0, %VBR
-#else
 	move.l	#CONFIG_SYS_FLASH_BASE, %d0
 	movec	%d0, %VBR
 
 	move.l	#(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_CTRL), %d0
 	movec	%d0, %RAMBAR1
-#endif
 
 	/* initialize general use internal ram */
 	move.l #0, %d0
@@ -411,6 +433,7 @@ _start:
 	   the first c-code */
 	move.l	#(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET), %sp
 	clr.l %sp@-
+#endif
 
 	move.l #__got_start, %a5	/* put relocation table address to a5 */
 
@@ -532,7 +555,7 @@ icache_enable:
 	move.l	#0x00040100, %d0	/* Invalidate icache */
 	movec	%d0, %CACR
 
-	move.l	#(CONFIG_SYS_SDRAM_BASE + 0x1c000), %d0	/* Setup icache */
+	move.l	#(CONFIG_SYS_SDRAM_BASE + 0xC000), %d0	/* Setup icache */
 	movec	%d0, %ACR2
 
 	move.l	#0x04088020, %d0	/* Enable bcache and icache */
diff --git a/include/configs/M54451EVB.h b/include/configs/M54451EVB.h
index 45f7016..cc57da8 100644
--- a/include/configs/M54451EVB.h
+++ b/include/configs/M54451EVB.h
@@ -70,6 +70,7 @@
 #define CONFIG_CMD_MISC
 #define CONFIG_CMD_MII
 #define CONFIG_CMD_NET
+#define CONFIG_CMD_NFS
 #define CONFIG_CMD_PING
 #define CONFIG_CMD_REGINFO
 #define CONFIG_CMD_SPI
@@ -163,7 +164,7 @@
 #define CONFIG_SYS_I2C_SPEED		80000	/* I2C speed and slave address  */
 #define CONFIG_SYS_I2C_SLAVE		0x7F
 #define CONFIG_SYS_I2C_OFFSET		0x58000
-#define CONFIG_SYS_IMMR		CONFIG_SYS_MBAR
+#define CONFIG_SYS_IMMR			CONFIG_SYS_MBAR
 
 /* DSPI and Serial Flash */
 #define CONFIG_CF_DSPI
@@ -175,7 +176,7 @@
 #	define CONFIG_SPI_FLASH
 #	define CONFIG_SPI_FLASH_STMICRO
 
-#	define CONFIG_SYS_DSPI_DCTAR0		(DSPI_DCTAR_TRSZ(7) | \
+#	define CONFIG_SYS_DSPI_DCTAR0	(DSPI_DCTAR_TRSZ(7) | \
 					 DSPI_DCTAR_CPOL | \
 					 DSPI_DCTAR_CPHA | \
 					 DSPI_DCTAR_PCSSCK_1CLK | \
@@ -191,7 +192,7 @@
 /* Input, PCI, Flexbus, and VCO */
 #define CONFIG_EXTRA_CLOCK
 
-#define CONFIG_PRAM		2048	/* 2048 KB */
+#define CONFIG_PRAM			2048	/* 2048 KB */
 
 #define CONFIG_SYS_PROMPT		"-> "
 #define CONFIG_SYS_LONGHELP		/* undef to save memory */
@@ -209,7 +210,7 @@
 
 #define CONFIG_SYS_HZ			1000
 
-#define CONFIG_SYS_MBAR		0xFC000000
+#define CONFIG_SYS_MBAR			0xFC000000
 
 /*
  * Low Level Configuration Settings
@@ -265,7 +266,7 @@
 /* Configuration for environment
  * Environment is embedded in u-boot in the second sector of the flash
  */
-#if defined(CONFIG_CF_SBF)
+#if defined(CONFIG_SYS_STMICRO_BOOT)
 #	define CONFIG_ENV_IS_IN_SPI_FLASH	1
 #	define CONFIG_ENV_SPI_CS		1
 #	define CONFIG_ENV_OFFSET		0x20000
@@ -273,8 +274,9 @@
 #	define CONFIG_ENV_SECT_SIZE	0x10000
 #else
 #	define CONFIG_ENV_IS_IN_FLASH	1
-#	define CONFIG_ENV_ADDR		(CONFIG_SYS_FLASH_BASE + 0x4000)
-#	define CONFIG_ENV_SECT_SIZE	0x2000
+#	define CONFIG_ENV_ADDR		(CONFIG_SYS_FLASH_BASE + 0x8000)
+#	define CONFIG_ENV_SIZE		0x2000
+#	define CONFIG_ENV_SECT_SIZE	0x8000
 #endif
 #undef CONFIG_ENV_OVERWRITE
 #undef CONFIG_ENV_IS_EMBEDDED
@@ -286,8 +288,7 @@
 #	define CONFIG_SYS_FLASH_BASE		CONFIG_SYS_SER_FLASH_BASE
 #	define CONFIG_SYS_FLASH0_BASE		CONFIG_SYS_SER_FLASH_BASE
 #	define CONFIG_SYS_FLASH1_BASE		CONFIG_SYS_CS0_BASE
-#endif
-#ifdef CONFIG_SYS_SPANSION_BOOT
+#else
 #	define CONFIG_SYS_FLASH_BASE		CONFIG_SYS_CS0_BASE
 #	define CONFIG_SYS_FLASH0_BASE		CONFIG_SYS_CS0_BASE
 #	define CONFIG_SYS_FLASH1_BASE		CONFIG_SYS_SER_FLASH_BASE
@@ -297,6 +298,7 @@
 #ifdef CONFIG_SYS_FLASH_CFI
 
 #	define CONFIG_FLASH_CFI_DRIVER	1
+#	define CONFIG_SYS_FLASH_USE_BUFFER_WRITE	1
 #	define CONFIG_SYS_FLASH_SIZE		0x1000000	/* Max size that the board might have */
 #	define CONFIG_SYS_FLASH_CFI_WIDTH	FLASH_CFI_16BIT
 #	define CONFIG_SYS_MAX_FLASH_BANKS	1	/* max number of memory banks */
@@ -311,27 +313,20 @@
  * This is setting for JFFS2 support in u-boot.
  * NOTE: Enable CONFIG_CMD_JFFS2 for JFFS2 support.
  */
-#ifdef CONFIG_SYS_SPANSION_BOOT
-#	define CONFIG_JFFS2_DEV		"nor0"
-#	define CONFIG_JFFS2_PART_SIZE	0x01000000
-#	define CONFIG_JFFS2_PART_OFFSET	(CONFIG_SYS_FLASH0_BASE + 0x500000)
-#endif
-#ifdef CONFIG_SYS_STMICRO_BOOT
+#ifdef CONFIG_CMD_JFFS2
 #	define CONFIG_JFFS2_DEV		"nor0"
 #	define CONFIG_JFFS2_PART_SIZE	0x01000000
 #	define CONFIG_JFFS2_PART_OFFSET	(CONFIG_SYS_FLASH0_BASE + 0x500000)
 #endif
 
-/*-----------------------------------------------------------------------
- * Cache Configuration
- */
+/* Cache Configuration */
 #define CONFIG_SYS_CACHELINE_SIZE		16
 
 /*-----------------------------------------------------------------------
  * Memory bank definitions
  */
 /*
- * CS0 - NOR Flash 8MB
+ * CS0 - NOR Flash 16MB
  * CS1 - Available
  * CS2 - Available
  * CS3 - Available
@@ -339,10 +334,10 @@
  * CS5 - Available
  */
 
- /* SPANSION Flash */
+ /* Flash */
 #define CONFIG_SYS_CS0_BASE		0x00000000
-#define CONFIG_SYS_CS0_MASK		0x007F0001
-#define CONFIG_SYS_CS0_CTRL		0x00001180
+#define CONFIG_SYS_CS0_MASK		0x00FF0001
+#define CONFIG_SYS_CS0_CTRL		0x00004D80
 
 #define CONFIG_SYS_SPANSION_BASE	CONFIG_SYS_CS0_BASE