4 * Generate a u-boot parameter block with correct crc
6 * (C) 1007 Guthrie Consulting
18 #define __ASM_STUB_PROCESSOR_H__
21 #include <environment.h>
24 #define MK_STR(x) XMK_STR(x)
26 extern unsigned long crc32 (unsigned long, const unsigned char *, unsigned int);
35 #warning LAN_IP NOT DEFINED
40 #warning LAN_SERVERIP NOT DEFINED
43 static char *environment[] = {
49 "fbargs=setenv bootargs root=/dev/mtdblock3 ro console=/dev/ttyS0,115200,mem=32M\0"
50 "rdba=setenv bootargs root=/dev/ram rw initrd=0x21200000,6000000 ramdisk_size=20000 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 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"
60 int main(int argc, char *argv[]) {
73 printf ("Invalid arguments\n");
79 if (strcmp(argv[3], "--serial") == 0) {
81 sprintf(newser, "serial#=%s", argv[4]);
85 if (strcmp(argv[1], "--mac") == 0) {
87 sprintf(newmac, "ethaddr=%s", argv[2]);
95 printf("Invalid arguments\n");
100 src = srcptr = *environment;
101 envptr = (env_t *)malloc(CFG_ENV_SIZE);
102 dataptr = (char *)envptr + ENV_HEADER_SIZE;
105 //printf("%d, %s\n", strlen(srcptr), srcptr);
106 paramlen += strlen(srcptr) + 1;
107 srcptr += strlen(srcptr) + 1;
110 printf("Make u-boot params\n");
111 printf("Params size is %d\n", CFG_ENV_SIZE);
113 memset(envptr, 0, CFG_ENV_SIZE);
114 memcpy(dataptr, src, paramlen);
118 memcpy(dataptr, newmac, strlen(newmac));
119 dataptr += strlen(newmac) + 1;
123 memcpy(dataptr, newser, strlen(newser));
124 dataptr += strlen(newser) + 1;
127 envptr->crc = crc32(0, envptr->data, ENV_SIZE);
129 params = fopen("/dev/mtd1", "w");
130 fwrite(envptr, CFG_ENV_SIZE, 1, params);