openwrt-xburst/target/linux/at91/image/u-boot/patches/006-generate_params.patch

--- u-boot-1.1.4.old/tools/Makefile	2007-03-22 18:17:25.000000000 +0100
+++ u-boot-1.1.4/tools/Makefile	2007-03-22 17:08:46.000000000 +0100
@@ -21,9 +21,9 @@
 # MA 02111-1307 USA
 #
 
-BINS	= img2srec$(SFX) mkimage$(SFX) envcrc$(SFX) gen_eth_addr$(SFX) bmp_logo$(SFX)
+BINS	= img2srec$(SFX) mkimage$(SFX) envcrc$(SFX) gen_eth_addr$(SFX) bmp_logo$(SFX) ubparams$(SFX)
 
-OBJS	= environment.o img2srec.o mkimage.o crc32.o envcrc.o gen_eth_addr.o bmp_logo.o
+OBJS	= environment.o img2srec.o mkimage.o crc32.o envcrc.o gen_eth_addr.o bmp_logo.o ubparams.o
 
 ifeq ($(ARCH),mips)
 BINS   += inca-swap-bytes$(SFX)
@@ -118,6 +118,9 @@
 
 all:	.depend $(BINS) $(LOGO_H) subdirs
 
+ubparams$(SFX): ubparams.o crc32.o
+		$(CC) $(CFLAGS) -o $@ $^
+
 envcrc$(SFX):	envcrc.o crc32.o environment.o
 		$(CC) $(CFLAGS) -o $@ $^
 
@@ -149,6 +152,9 @@
 		$(CC) $(CFLAGS) $(HOST_LDFLAGS) -o $@ $^
 		$(STRIP) $@
 
+ubparams.o: ubparams.c
+		$(CC) -g $(CFLAGS) -c $<
+
 envcrc.o:	envcrc.c
 		$(CC) -g $(CFLAGS) -c $<
 
--- u-boot-1.1.4.old/tools/ubparams.c	1970-01-01 01:00:00.000000000 +0100
+++ u-boot-1.1.4/tools/ubparams.c	2007-03-22 18:09:52.000000000 +0100
@@ -0,0 +1,78 @@
+/*
+ * ubparams.c
+ * 
+ * Generate a u-boot parameter block with correct crc
+ *
+ * (C) 1007 Guthrie Consulting
+ * hamish@prodigi.ch
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#ifndef __ASSEMBLY__
+#define __ASSEMBLY__
+#endif
+#define __ASM_STUB_PROCESSOR_H__
+#include <config.h>
+#undef __ASSEMBLY__
+#include "environment.h"
+
+#define XMK_STR(x)  #x
+#define MK_STR(x)  XMK_STR(x)
+
+extern unsigned long crc32 (unsigned long, const unsigned char *, unsigned int);
+
+#if !defined(ENV_CRC)
+#define ENV_CRC ~0
+#endif
+
+unsigned int env_size = 0x8400;
+env_t environment = {
+	ENV_CRC,
+	"bootdelay=3\0"
+	"baudrate=115200\0"
+	"stdin=serial\0"
+	"stdout=serial\0"
+	"stderr=serial\0"
+	"partitions=mtdparts=AT45DB642.spi0:132k(bootloader),33k(ubparams),99k(spare),1056k(linux),2112k(rootfs),33k(nvram),-(rootfs_data)\0"
+	"fbargs=setenv bootargs mtdparts=AT45DB642.spi0:132k(bootloader),33k(ubparams),99k(spare),1056k(linux),2112k(rootfs),33k(nvram),-(rootfs_data) root=/dev/mtdblock4 ro init=/etc/preinit console=/dev/ttyS0,115200,mem=32M\0"
+	"rdba=setenv bootargs mtdparts=AT45DB642.spi0:132k(bootloader),33k(ubparams),99k(spare),1056k(linux),2112k(rootfs),33k(nvram),-(rootfs_data) root=/dev/ram rw initrd=0x21200000,6000000 ramdisk_size=20000 init=/etc/preinit console=/dev/ttyS0,115200,mem=32M\0"
+	"rdram=run rdba; tftp 21000000 vImage; tftp 21200000 root.squashfs; bootm 21000000\0"
+	"flash=run fbargs; bootm 0xc0042000\0"
+	"bootargs=setenv bootargs mtdparts=AT45DB642.spi0:132k(bootloader),33k(ubparams),99k(spare),1056k(linux),2112k(rootfs),33k(nvram),-(rootfs_data) root=/dev/mtdblock4 ro init=/etc/preinit console=/dev/ttyS0,115200,mem=32M\0"
+	"bootcmd=bootm 0xc0042000\0"
+	"ethaddr=00:30:49:00:00:01\0"
+	"ipaddr=10.0.1.73\0"
+	"serverip=10.0.1.210\0"
+	"serial#=MX070205484\0"
+	"\0"
+	};
+
+int main(void) {
+	env_t *envptr, *source;
+	unsigned char *dataptr;
+	FILE *params;
+
+	source = &environment;
+	envptr = (env_t *)malloc(CFG_ENV_SIZE);
+	dataptr = (unsigned char *)envptr + ENV_HEADER_SIZE;
+
+	printf("Make u-boot params\n");
+	printf("Params size is %d\n", CFG_ENV_SIZE);
+
+	memset(envptr, 0, CFG_ENV_SIZE);
+	memcpy(envptr, source, sizeof(environment));
+
+	envptr->crc = crc32(0, envptr->data, ENV_SIZE);
+
+	params = fopen("params", "w");
+	fwrite(envptr, CFG_ENV_SIZE, 1, params);
+	fclose(params);
+
+	free(envptr);
+	}
+	
+