New program to generate u-boot parameter block with correct CRC to enable reprogramming parameters from Linux.
SVN-Revision: 6636master
Hamish Guthrie
18 years ago
parent
ec63c08be8
commit
5bd6518456
@ -0,0 +1,115 @@ |
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--- u-boot-1.1.4.old/tools/Makefile 2007-03-22 18:17:25.000000000 +0100
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+++ u-boot-1.1.4/tools/Makefile 2007-03-22 17:08:46.000000000 +0100
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@@ -21,9 +21,9 @@
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# MA 02111-1307 USA
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#
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-BINS = img2srec$(SFX) mkimage$(SFX) envcrc$(SFX) gen_eth_addr$(SFX) bmp_logo$(SFX)
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+BINS = img2srec$(SFX) mkimage$(SFX) envcrc$(SFX) gen_eth_addr$(SFX) bmp_logo$(SFX) ubparams$(SFX)
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-OBJS = environment.o img2srec.o mkimage.o crc32.o envcrc.o gen_eth_addr.o bmp_logo.o
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+OBJS = environment.o img2srec.o mkimage.o crc32.o envcrc.o gen_eth_addr.o bmp_logo.o ubparams.o
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ifeq ($(ARCH),mips)
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BINS += inca-swap-bytes$(SFX)
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@@ -118,6 +118,9 @@
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all: .depend $(BINS) $(LOGO_H) subdirs
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+ubparams$(SFX): ubparams.o crc32.o
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+ $(CC) $(CFLAGS) -o $@ $^
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+
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envcrc$(SFX): envcrc.o crc32.o environment.o
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$(CC) $(CFLAGS) -o $@ $^
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@@ -149,6 +152,9 @@
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$(CC) $(CFLAGS) $(HOST_LDFLAGS) -o $@ $^
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$(STRIP) $@
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+ubparams.o: ubparams.c
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+ $(CC) -g $(CFLAGS) -c $<
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+
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envcrc.o: envcrc.c
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$(CC) -g $(CFLAGS) -c $<
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--- u-boot-1.1.4.old/tools/ubparams.c 1970-01-01 01:00:00.000000000 +0100
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+++ u-boot-1.1.4/tools/ubparams.c 2007-03-22 18:09:52.000000000 +0100
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@@ -0,0 +1,78 @@
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+/*
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+ * ubparams.c
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+ *
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+ * Generate a u-boot parameter block with correct crc
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+ *
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+ * (C) 1007 Guthrie Consulting
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+ * hamish@prodigi.ch
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+ *
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+ */
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+
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+#include <stdio.h>
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+#include <stdlib.h>
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+#include <string.h>
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+
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+#ifndef __ASSEMBLY__
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+#define __ASSEMBLY__
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+#endif
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+#define __ASM_STUB_PROCESSOR_H__
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+#include <config.h>
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+#undef __ASSEMBLY__
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+#include "environment.h"
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+
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+#define XMK_STR(x) #x
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+#define MK_STR(x) XMK_STR(x)
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+
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+extern unsigned long crc32 (unsigned long, const unsigned char *, unsigned int);
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+
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+#if !defined(ENV_CRC)
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+#define ENV_CRC ~0
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+#endif
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+
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+unsigned int env_size = 0x8400;
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+env_t environment = {
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+ ENV_CRC,
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+ "bootdelay=3\0"
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+ "baudrate=115200\0"
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+ "stdin=serial\0"
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+ "stdout=serial\0"
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+ "stderr=serial\0"
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+ "partitions=mtdparts=AT45DB642.spi0:132k(bootloader),33k(ubparams),99k(spare),1056k(linux),1056k(rootfs),33k(nvram),-(rootfs_data)\0"
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+ "fbargs=setenv bootargs mtdparts=AT45DB642.spi0:132k(bootloader),33k(ubparams),99k(spare),1056k(linux),1056k(rootfs),33k(nvram),-(rootfs_data) root=/dev/mtdblock4 ro init=/etc/preinit console=/dev/ttyS0,115200,mem=32M\0"
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+ "rdba=setenv bootargs mtdparts=AT45DB642.spi0:132k(bootloader),33k(ubparams),99k(spare),1056k(linux),1056k(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"
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+ "rdram=run rdba; tftp 21000000 vImage; tftp 21200000 root.squashfs; bootm 21000000\0"
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+ "flash=run fbargs; bootm 0xc0042000\0"
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+ "bootargs=setenv bootargs mtdparts=AT45DB642.spi0:132k(bootloader),33k(ubparams),99k(spare),1056k(linux),1056k(rootfs),33k(nvram),-(rootfs_data) root=/dev/mtdblock4 ro init=/etc/preinit console=/dev/ttyS0,115200,mem=32M\0"
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+ "bootcmd=bootm 0xc0042000\0"
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+ "ethaddr=00:30:49:00:00:01\0"
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+ "ipaddr=10.0.1.73\0"
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+ "serverip=10.0.1.210\0"
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+ "serial#=MX070205484\0"
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+ "\0"
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+ };
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+
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+int main(void) {
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+ env_t *envptr, *source;
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+ unsigned char *dataptr;
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+ FILE *params;
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+
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+ source = &environment;
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+ envptr = (env_t *)malloc(CFG_ENV_SIZE);
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+ dataptr = (unsigned char *)envptr + ENV_HEADER_SIZE;
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+
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+ printf("Make u-boot params\n");
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+ printf("Params size is %d\n", CFG_ENV_SIZE);
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+
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+ memset(envptr, 0, CFG_ENV_SIZE);
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+ memcpy(envptr, source, sizeof(environment));
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+
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+ envptr->crc = crc32(0, envptr->data, ENV_SIZE);
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+
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+ params = fopen("params", "w");
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+ fwrite(envptr, CFG_ENV_SIZE, 1, params);
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+ fclose(params);
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+
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+ free(envptr);
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+ }
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+
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+
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