target/linux/at91/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 #ifdef LAN_IP
  33         #warning LAN_IP
  34 #else
  35         #warning LAN_IP NOT DEFINED
  36 #endif
  37 #ifdef LAN_SERVERIP
  38         #warning LAN_SERVERIP
  39 #else
  40         #warning LAN_SERVERIP NOT DEFINED
  41 #endif
  42
  43 static char *environment[] = {
  44         "bootdelay=3\0"
  45         "baudrate=115200\0"
  46         "stdin=serial\0"
  47         "stdout=serial\0"
  48         "stderr=serial\0"
  49         "fbargs=setenv bootargs root=/dev/mtdblock3 ro init=/etc/preinit console=/dev/ttyS0,115200,mem=32M\0"
  50         "rdba=setenv bootargs root=/dev/ram rw initrd=0x21200000,6000000 ramdisk_size=20000 init=/etc/preinit console=/dev/ttyS0,115200,mem=32M\0"
  51         "rdram=run rdba; tftp 21000000 uImage; tftp 21200000 root.squashfs; bootm 21000000\0"
  52         "flash=run fbargs; bootm 0xc0042000\0"
  53         "bootargs=setenv bootargs root=/dev/mtdblock3 ro init=/etc/preinit console=/dev/ttyS0,115200,mem=32M\0"
  54         "bootcmd=bootm 0xc0042000\0"
  55         "ipaddr=" MK_STR(LAN_IP) "\0"
  56         "serverip=" MK_STR(LAN_SERVERIP) "\0"
  57         "\0"
  58         };
  59
  60 int main(int argc, char *argv[]) {
  61         env_t *envptr;
  62         char *src, *srcptr;
  63         char *dataptr;
  64         FILE *params;
  65         int argfail = 1;
  66         char newmac[30];
  67         char newser[30];
  68         int paramlen = 0;
  69         int progmac = 0;
  70         int progser = 0;
  71
  72         if (argc < 3) {
  73                 printf ("Invalid arguments\n");
  74                 return 1;
  75                 }
  76
  77         switch (argc) {
  78                 case 5:
  79                         if (strcmp(argv[3], "--serial") == 0) {
  80                                 argfail = 0;
  81                                 sprintf(newser, "serial#=%s", argv[4]);
  82                                 progser = 1;
  83                                 }
  84                 case 3:
  85                         if (strcmp(argv[1], "--mac") == 0) {
  86                                 argfail = 0;
  87                                 sprintf(newmac, "ethaddr=%s", argv[2]);
  88                                 progmac = 1;
  89                                 }
  90                         else
  91                                 argfail = 1;
  92                 }
  93
  94         if (argfail) {
  95                 printf("Invalid arguments\n");
  96                 return 1;
  97                 }
  98
  99
 100         src = srcptr = *environment;
 101         envptr = (env_t *)malloc(CFG_ENV_SIZE);
 102         dataptr = (char *)envptr + ENV_HEADER_SIZE;
 103
 104         while(*srcptr) {
 105                 //printf("%d, %s\n", strlen(srcptr), srcptr);
 106                 paramlen += strlen(srcptr) + 1;
 107                 srcptr += strlen(srcptr) + 1;
 108                 }
 109
 110         printf("Make u-boot params\n");
 111         printf("Params size is %d\n", CFG_ENV_SIZE);
 112
 113         memset(envptr, 0, CFG_ENV_SIZE);
 114         memcpy(dataptr, src, paramlen);
 115         dataptr += paramlen;
 116
 117         if (progmac) {
 118                 memcpy(dataptr, newmac, strlen(newmac));
 119                 dataptr += strlen(newmac) + 1;
 120                 }
 121
 122         if (progser) {
 123                 memcpy(dataptr, newser, strlen(newser));
 124                 dataptr += strlen(newser) + 1;
 125                 }
 126
 127         envptr->crc = crc32(0, envptr->data, ENV_SIZE);
 128
 129         params = fopen("/dev/mtd1", "w");
 130         fwrite(envptr, CFG_ENV_SIZE, 1, params);
 131         fclose(params);
 132
 133         free(envptr);
 134         return 0;
 135 }