Re: u-boot & uImage on M5282LITE

On Feb 20, 2008, at 12:45 PM, Loren A. Linden Levy wrote:

> Hi Allon,
>
> Thanks so much for this detailed description. I am working on applying
> the patch and building u-boot for the card. I do have one question
> though. In the README.m68k it says to edit the file
> board/m5282evb/config.mk and chenge TEXT_BASE. Did you also have to do
> this or am I missing something? Thanks.

Oh, you are right. I changed my TEXT_BASE to 0xF0000000.

Hm, a couple other things as well. I changed the compiler to m68k- 
uclinux....

Let's see here, lemme do a more comprehensive diffing. This should do  
it. My apologies:

diff -Nurp u-boot-1.3.1/board/m5282evb/config.mk u-boot/board/ 
m5282evb/config.mk
--- u-boot-1.3.1/board/m5282evb/config.mk	2007-12-06  
04:21:19.000000000 -0500
+++ u-boot/board/m5282evb/config.mk	2008-01-29 22:43:01.000000000 -0500
@@ -22,4 +22,4 @@
  # MA 02111-1307 USA
  #

-TEXT_BASE = 0xFFE00000
+TEXT_BASE = 0xf0000000
diff -Nurp u-boot-1.3.1/include/configs/M5282EVB.h u-boot/include/ 
configs/M5282EVB.h
--- u-boot-1.3.1/include/configs/M5282EVB.h	2007-12-06  
04:21:19.000000000 -0500
+++ u-boot/include/configs/M5282EVB.h	2008-02-18 16:44:01.000000000  
-0500
@@ -48,8 +48,9 @@
  /* Configuration for environment
   * Environment is embedded in u-boot in the second sector of the flash
   */
-#define CFG_ENV_ADDR		0xffe04000
-#define CFG_ENV_SIZE		0x2000
+/*#define CFG_ENV_ADDR		0xffe04000*/
+#define CFG_ENV_ADDR		0xf0040000
+#define CFG_ENV_SIZE		0x4000
  #define CFG_ENV_IS_IN_FLASH	1

  /*
@@ -96,24 +97,19 @@
  #define CONFIG_BOOTDELAY	5
  #ifdef CONFIG_MCFFEC
  #	define CONFIG_ETHADDR	00:e0:0c:bc:e5:60
+#if 0
  #	define CONFIG_IPADDR	192.162.1.2
  #	define CONFIG_NETMASK	255.255.255.0
  #	define CONFIG_SERVERIP	192.162.1.1
  #	define CONFIG_GATEWAYIP	192.162.1.1
+#endif
  #	define CONFIG_OVERWRITE_ETHADDR_ONCE
  #endif				/* CONFIG_MCFFEC */

  #define CONFIG_HOSTNAME		M5272C3
  #define CONFIG_EXTRA_ENV_SETTINGS		\
  	"netdev=eth0\0"				\
-	"loadaddr=10000\0"			\
-	"u-boot=u-boot.bin\0"			\
-	"load=tftp ${loadaddr) ${u-boot}\0"	\
-	"upd=run load; run prog\0"		\
-	"prog=prot off ffe00000 ffe3ffff;"	\
-	"era ffe00000 ffe3ffff;"		\
-	"cp.b ${loadaddr} ffe00000 ${filesize};"\
-	"save\0"				\
+	"loadaddr=FFC0\0"			\
  	""

  #define CFG_PROMPT		"-> "
@@ -193,6 +189,8 @@
  #define CFG_FLASH_CFI
  #ifdef CFG_FLASH_CFI

+#define USE_EXTERNAL_FLASH
+#ifdef USE_EXTERNAL_FLASH
  #	define CFG_FLASH_CFI_DRIVER	1
  #	define CFG_FLASH_SIZE		0x1000000	/* Max size that the board might  
have */
  #	define CFG_FLASH_CFI_WIDTH	FLASH_CFI_16BIT
@@ -201,8 +199,19 @@
  #	define CFG_FLASH_PROTECTION	/* "Real" (hardware) sectors  
protection */
  #	define CFG_FLASH_CHECKSUM
  #	define CFG_FLASH_BANKS_LIST	{ CFG_FLASH_BASE }
+#else
+#	define CFG_FLASH_CFI_DRIVER	1
+#	define CFG_FLASH_SIZE		0x80000	/* Max size that the board might  
have */
+#	define CFG_FLASH_CFI_WIDTH	FLASH_CFI_32BIT
+#	define CFG_MAX_FLASH_BANKS	8	/* max number of memory banks */
+#	define CFG_MAX_FLASH_SECT	32	/* max number of sectors on one chip */
+#	define CFG_FLASH_PROTECTION	/* "Real" (hardware) sectors  
protection */
+#	define CFG_FLASH_CHECKSUM
+#	define CFG_FLASH_BANKS_LIST	{ CFG_INT_FLASH_BASE }
+#endif
  #endif

+
  / 
*-----------------------------------------------------------------------
   * Cache Configuration
   */
diff -Nurp u-boot-1.3.1/m68k_config.mk u-boot/m68k_config.mk
--- u-boot-1.3.1/m68k_config.mk	2007-12-06 04:21:19.000000000 -0500
+++ u-boot/m68k_config.mk	2008-02-18 19:14:43.000000000 -0500
@@ -21,5 +21,5 @@
  # MA 02111-1307 USA
  #

-PLATFORM_CPPFLAGS += -DCONFIG_M68K -D__M68K__
+PLATFORM_CPPFLAGS += -DCONFIG_M68K -D__M68K__ -m528x
  PLATFORM_LDFLAGS  += -n
diff -Nurp u-boot-1.3.1/Makefile u-boot/Makefile
--- u-boot-1.3.1/Makefile	2007-12-06 04:21:19.000000000 -0500
+++ u-boot/Makefile	2008-01-07 16:18:09.000000000 -0500
@@ -1,4 +1,4 @@
-#
+
  # (C) Copyright 2000-2007
  # Wolfgang Denk, DENX Software Engineering, [email protected].
  #
@@ -126,7 +126,8 @@ ifeq ($(ARCH),ppc)
  CROSS_COMPILE = ppc_8xx-
  endif
  ifeq ($(ARCH),arm)
  CROSS_COMPILE = arm-linux-
  endif
  ifeq ($(ARCH),i386)
  CROSS_COMPILE = i386-linux-
@@ -141,7 +142,7 @@ ifeq ($(ARCH),nios2)
  CROSS_COMPILE = nios2-elf-
  endif
  ifeq ($(ARCH),m68k)
-CROSS_COMPILE = m68k-elf-
+CROSS_COMPILE = m68k-uclinux-
  endif
  ifeq ($(ARCH),microblaze)
  CROSS_COMPILE = mb-

-
allon