target/linux/at91-2.6/image/u-boot/ubclient/ubpar.c

   1 /*
   2  * ubparams.c
   3  *
   4  * Generate a u-boot parameter block with correct crc
   5  *
   6  * (C) 1007 Guthrie Consulting
   7  * hamish@prodigi.ch
   8  *
   9  */
  10
  11 #include <stdio.h>
  12 #include <stdlib.h>
  13 #include <string.h>
  14
  15 #ifndef __ASSEMBLY__
  16 #define __ASSEMBLY__
  17 #endif
  18 #define __ASM_STUB_PROCESSOR_H__
  19 #include <config.h>
  20 #undef __ASSEMBLY__
  21 #include <environment.h>
  22
  23 #define XMK_STR(x)  #x
  24 #define MK_STR(x)  XMK_STR(x)
  25
  26 extern unsigned long crc32 (unsigned long, const unsigned char *, unsigned int);
  27
  28 #if !defined(ENV_CRC)
  29 #define ENV_CRC ~0
  30 #endif
  31
  32 static char *environment[] = {
  33         "bootdelay=3\0"
  34         "baudrate=115200\0"
  35         "stdin=serial\0"
  36         "stdout=serial\0"
  37         "stderr=serial\0"
  38         "partitions=mtdparts=AT45DB642.spi0:132k(bootloader),33k(ubparams),99k(spare),1056k(linux),1056k(rootfs),33k(nvram),-(rootfs_data)\0"
  39         "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"
  40         "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"
  41         "rdram=run rdba; tftp 21000000 vImage; tftp 21200000 root.squashfs; bootm 21000000\0"
  42         "flash=run fbargs; bootm 0xc0042000\0"
  43         "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"
  44         "bootcmd=bootm 0xc0042000\0"
  45         "ipaddr=10.0.1.73\0"
  46         "serverip=10.0.1.210\0"
  47         "\0"
  48         };
  49
  50 int main(int argc, char *argv[]) {
  51         env_t *envptr;
  52         char *src, *srcptr;
  53         char *dataptr;
  54         FILE *params;
  55         int argfail = 1;
  56         char newmac[30];
  57         char newser[30];
  58         int paramlen = 0;
  59         int progmac = 0;
  60         int progser = 0;
  61
  62         if (argc < 3) {
  63                 printf ("Invalid arguments\n");
  64                 return 1;
  65                 }
  66
  67         switch (argc) {
  68                 case 5:
  69                         if (strcmp(argv[3], "--serial") == 0) {
  70                                 argfail = 0;
  71                                 sprintf(newser, "serial#=%s", argv[4]);
  72                                 progser = 1;
  73                                 }
  74                 case 3:
  75                         if (strcmp(argv[1], "--mac") == 0) {
  76                                 argfail = 0;
  77                                 sprintf(newmac, "ethaddr=%s", argv[2]);
  78                                 progmac = 1;
  79                                 }
  80                         else
  81                                 argfail = 1;
  82                 }
  83
  84         if (argfail) {
  85                 printf("Invalid arguments\n");
  86                 return 1;
  87                 }
  88
  89
  90         src = srcptr = *environment;
  91         envptr = (env_t *)malloc(CFG_ENV_SIZE);
  92         dataptr = (char *)envptr + ENV_HEADER_SIZE;
  93
  94         while(*srcptr) {
  95                 //printf("%d, %s\n", strlen(srcptr), srcptr);
  96                 paramlen += strlen(srcptr) + 1;
  97                 srcptr += strlen(srcptr) + 1;
  98                 }
  99
 100         printf("Make u-boot params\n");
 101         printf("Params size is %d\n", CFG_ENV_SIZE);
 102
 103         memset(envptr, 0, CFG_ENV_SIZE);
 104         memcpy(dataptr, src, paramlen);
 105         dataptr += paramlen;
 106
 107         if (progmac) {
 108                 memcpy(dataptr, newmac, strlen(newmac));
 109                 dataptr += strlen(newmac) + 1;
 110                 }
 111
 112         if (progser) {
 113                 memcpy(dataptr, newser, strlen(newser));
 114                 dataptr += strlen(newser) + 1;
 115                 }
 116
 117         envptr->crc = crc32(0, envptr->data, ENV_SIZE);
 118
 119         params = fopen("params", "w");
 120         fwrite(envptr, CFG_ENV_SIZE, 1, params);
 121         fclose(params);
 122
 123         free(envptr);
 124         return 0;
 125 }