| 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 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" |
| 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 | } |
| 136 | |
