Re: u-boot & uImage on M5282LITE

Hi Allon,

So thanks to you I have the internal flash booting a uclinux image for
me! And I am also able to switch back to dBUG. I have another question
for you do you have the network working for a 2.6 kernel? Which
version (date) of uClinux are you using? Which compiler tool chain?
Thanks.


Alex

On Wed, 20 Feb 2008 13:10:38 -0500
Allon Stern <[email protected]> wrote:

> 
> 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

-- 
 -- 
---------------------------------------------
Loren A. Linden Levy
Department of Physics 
390 UCB 
University of Colorado
Boulder, CO   80309-0390
Tel:   303-735-6146 (CU) / +049 040 8998 4789 (DESY) 
Fax:   303-492-3352 (CU) / +049 040 8998 4034 (DESY) 
Cell:  303-332-2768 (U.S.) / +049 (0)151 5496 1831 (Germany)
Email: [email protected]
url:   http://up.colorado.edu/~lindenle
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