[U-Boot-Users] Booting MPC8272ADS from flash base

[Alex Zeffertt]

On Thu, 13 Oct 2005 19:51:29 +0200
Yuli Barcohen <yuli at arabellasw.com> wrote:

> 
>     Alex> 2. Set TEXT_BASE in config.mk to 0x0
> 
> This is wrong. You have to set TEXT_BASE to the address at which you
> will burn the U-Boot image to flash. If you're going to burn U-Boot to
> the first flash sector, TEXT_BASE must be equal to CFG_FLASH_BASE.
> 

Yippee!  I've finally done it.  Thanks Yuli - your advice was what I was
missing.

For the record here is the change I needed to make to u-boot-1.1.3.

Index: board/mpc8260ads/config.mk
===================================================================
RCS file: /newcvs/pq2-linux/u-boot/board/mpc8260ads/config.mk,v
retrieving revision 1.1.1.1
diff -u -r1.1.1.1 config.mk
--- board/mpc8260ads/config.mk	24 Aug 2005 12:16:55 -0000	1.1.1.1
+++ board/mpc8260ads/config.mk	14 Oct 2005 08:36:46 -0000
@@ -29,4 +29,4 @@
 # MPC8260ADS, MPC8266ADS, and PQ2FADS-ZU/VR boards
 #
 
-TEXT_BASE = 0xfff00000
+TEXT_BASE = 0xff800000
Index: include/configs/MPC8260ADS.h
===================================================================
RCS file: /newcvs/pq2-linux/u-boot/include/configs/MPC8260ADS.h,v
retrieving revision 1.1.1.1
diff -u -r1.1.1.1 MPC8260ADS.h
--- include/configs/MPC8260ADS.h	24 Aug 2005 12:17:01 -0000	1.1.1.1
+++ include/configs/MPC8260ADS.h	14 Oct 2005 08:36:46 -0000
@@ -294,13 +294,8 @@
 #define CFG_GBL_DATA_OFFSET	(CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
 #define CFG_INIT_SP_OFFSET	CFG_GBL_DATA_OFFSET
 
+#define CFG_HRCW_MASTER 0x0e72b605   /* like BCSR version, but with CIP=1, BMS=1 */
 
-/* 0x0EA28205 */
-#define CFG_HRCW_MASTER (   ( HRCW_BPS11 | HRCW_CIP )			    |\
-			    ( HRCW_L2CPC10 | HRCW_DPPC10 | HRCW_ISB010 )    |\
-			    ( HRCW_BMS | HRCW_APPC10 )			    |\
-			    ( HRCW_MODCK_H0101 )			     \
-			)
 /* no slaves */
 #define CFG_HRCW_SLAVE1 0
 #define CFG_HRCW_SLAVE2 0


Thanks again,

Alex