mpc8641 image size cleanup

e600 does not have a bootpg restriction.
Move the version string to beginning of image at fff00000.
Resetvec.S is not needed.
Update flash copy instructions.
Add tftpflash env variable

Signed-off-by: Ed Swarthout <Ed.Swarthout@freescale.com>
Signed-off-by: Jon Loeliger <jdl@freescale.com>

Makefile

@@ -173,9 +173,6 @@ endif
 ifeq ($(CPU),mpc85xx)
 OBJS += cpu/$(CPU)/resetvec.o
 endif
-ifeq ($(CPU),mpc86xx)
-OBJS += cpu/$(CPU)/resetvec.o
-endif
 ifeq ($(CPU),bf533)
 OBJS += cpu/$(CPU)/start1.o	cpu/$(CPU)/interrupt.o	cpu/$(CPU)/cache.o
 OBJS += cpu/$(CPU)/flush.o	cpu/$(CPU)/init_sdram.o

board/mpc8641hpcn/config.mk

@@ -25,7 +25,7 @@
 # default CCSRBAR is at 0xff700000
 # assume U-Boot is less than 0.5MB
 #
-TEXT_BASE = 0xfff01000
+TEXT_BASE = 0xfff00000
 
 PLATFORM_CPPFLAGS += -DCONFIG_MPC86xx=1
 PLATFORM_CPPFLAGS += -DCONFIG_MPC8641=1 -maltivec -mabi=altivec -msoft-float

board/mpc8641hpcn/u-boot.lds

@@ -1,7 +1,5 @@
 /*
- * (C) Copyright 2004, Freescale, Inc.
- * (C) Copyright 2002,2003, Motorola,Inc.
- * Jeff Brown
+ * Copyright 2006, 2007 Freescale Semiconductor, Inc.
  *
  * See file CREDITS for list of people who contributed to this
  * project.
@@ -23,24 +21,11 @@
  */
 
 OUTPUT_ARCH(powerpc)
-SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib);
-/* Do we need any of these for elf?
-   __DYNAMIC = 0;    */
+
 SECTIONS
 {
-  .resetvec 0xFFF00100 :
-  {
-    *(.resetvec)
-  } = 0xffff
-
-  .bootpg 0xFFF70000 :
-  {
-    cpu/mpc86xx/start.o	(.bootpg)
-    board/mpc8641hpcn/init.o (.bootpg)
-  } = 0xffff
 
   /* Read-only sections, merged into text segment: */
-  . = + 1024;
   .interp : { *(.interp) }
   .hash          : { *(.hash)		}
   .dynsym        : { *(.dynsym)		}
@@ -66,7 +51,7 @@ SECTIONS
   .text      :
   {
     cpu/mpc86xx/start.o	(.text)
-    board/mpc8641hpcn/init.o (.text)
+    board/mpc8641hpcn/init.o (.bootpg)
     cpu/mpc86xx/traps.o (.text)
     cpu/mpc86xx/interrupts.o (.text)
     cpu/mpc86xx/cpu_init.o (.text)
@@ -88,6 +73,7 @@ SECTIONS
     *(.rodata)
     *(.rodata1)
     *(.rodata.str1.4)
+    *(.eh_frame)
   }
   .fini      : { *(.fini)    } =0
   .ctors     : { *(.ctors)   }

cpu/mpc86xx/resetvec.S

@@ -1,2 +0,0 @@
-	.section .resetvec,"ax"
-	b _start

doc/README.mpc8641hpcn

@@ -96,14 +96,17 @@ To Flash U-Boot into the booting bank (0xFFC00000 - 0xFFFFFFFF):
 
 	tftp 1000000 u-boot.bin
 	protect off all
-	erase fff00000 ffffffff
-	cp.b 1000000 fff00100 80000
+	erase fff00000 +$filesize
+	cp.b 1000000 fff00000 $filesize
+
+or use tftpflash command:
+	run tftpflash
 
 To Flash U-boot into the alternative bank (0xFF800000 - 0xFFBFFFFF):
 
 	tftp 1000000 u-boot.bin
-	erase ffb00000 ffbfffff
-	cp.b 1000000 ffb00100 80000
+	erase ffb00000 +$filesize
+	cp.b 1000000 ffb00000 $filesize
 
 
 4. Memory Map

include/configs/MPC8641HPCN.h

@@ -577,6 +577,7 @@
 #define CONFIG_HOSTNAME		unknown
 #define CONFIG_ROOTPATH		/opt/nfsroot
 #define CONFIG_BOOTFILE		uImage
+#define CONFIG_UBOOTPATH	u-boot.bin	/* U-Boot image on TFTP server */
 
 #define CONFIG_SERVERIP		192.168.1.1
 #define CONFIG_GATEWAYIP	192.168.1.1
@@ -592,10 +593,17 @@
 
 #define	CONFIG_EXTRA_ENV_SETTINGS				        \
    "netdev=eth0\0"                                                      \
+   "uboot=" MK_STR(CONFIG_UBOOTPATH) "\0" 				\
+   "tftpflash=tftpboot $loadaddr $uboot; " 			\
+	"protect off " MK_STR(TEXT_BASE) " +$filesize; " 	\
+	"erase " MK_STR(TEXT_BASE) " +$filesize; " 		\
+	"cp.b $loadaddr " MK_STR(TEXT_BASE) " $filesize; " 	\
+	"protect on " MK_STR(TEXT_BASE) " +$filesize; " 	\
+	"cmp.b $loadaddr " MK_STR(TEXT_BASE) " $filesize\0" 	\
    "consoledev=ttyS0\0"                                                 \
    "ramdiskaddr=2000000\0"						\
    "ramdiskfile=your.ramdisk.u-boot\0"                                  \
-   "dtbaddr=400000\0"						\
+   "dtbaddr=c00000\0"						\
    "dtbfile=mpc8641_hpcn.dtb\0"                                  \
    "en-wd=mw.b f8100010 0x08; echo -expect:- 08; md.b f8100010 1\0" \
    "dis-wd=mw.b f8100010 0x00; echo -expect:- 00; md.b f8100010 1\0" \