projects / J-u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 2076d0a1 SR |
1 | /* |
| 2 | * (C) Copyright 2005 | |
| 3 | * Matthias Fuchs, esd GmbH Germany, [email protected] | |
| 4 | * | |
| 5 | * See file CREDITS for list of people who contributed to this | |
| 6 | * project. | |
| 7 | * | |
| 8 | * This program is free software; you can redistribute it and/or | |
| 9 | * modify it under the terms of the GNU General Public License as | |
| 10 | * published by the Free Software Foundation; either version 2 of | |
| 11 | * the License, or (at your option) any later version. | |
| 12 | * | |
| 13 | * This program is distributed in the hope that it will be useful, | |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 16 | * GNU General Public License for more details. | |
| 17 | * | |
| 18 | * You should have received a copy of the GNU General Public License | |
| 19 | * along with this program; if not, write to the Free Software | |
| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
| 21 | * MA 02111-1307 USA | |
| 22 | */ | |
| 23 | ||
| 24 | #include <common.h> | |
| 25 | #include <command.h> | |
| 26 | ||
| 27 | #if (CONFIG_COMMANDS & CFG_CMD_BSP) | |
| 28 | ||
| 29 | extern int do_bootm (cmd_tbl_t *, int, int, char *[]); | |
| 30 | extern int do_autoscript (cmd_tbl_t *, int, int, char *[]); | |
| 31 | ||
| 32 | #define ADDRMASK 0xfffff000 | |
| 33 | ||
| 34 | /* | |
| 35 | * Command loadpci: wait for signal from host and boot image. | |
| 36 | */ | |
| 37 | int do_loadpci(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) | |
| 38 | { | |
| 39 | unsigned int *ptr = 0; | |
| 40 | int count = 0; | |
| 41 | int count2 = 0; | |
| 42 | char addr[16]; | |
| 43 | char str[] = "\\|/-"; | |
| 44 | char *local_args[2]; | |
| 45 | ||
| 46 | while(1) { | |
| 47 | /* | |
| 48 | * Mark sync address | |
| 49 | */ | |
| 50 | ptr = 0; | |
| 51 | memset(ptr, 0, 0x20); | |
| 52 | ||
| 53 | *ptr = 0xffffffff; | |
| 54 | puts("\nWaiting for action from pci host -"); | |
| 55 | ||
| 56 | /* | |
| 57 | * Wait for host to write the start address | |
| 58 | */ | |
| 59 | while (*ptr == 0xffffffff) { | |
| 60 | count++; | |
| 61 | if (!(count % 100)) { | |
| 62 | count2++; | |
| 63 | putc(0x08); /* backspace */ | |
| 64 | putc(str[count2 % 4]); | |
| 65 | } | |
| 66 | ||
| 67 | /* Abort if ctrl-c was pressed */ | |
| 68 | if (ctrlc()) { | |
| 69 | puts("\nAbort\n"); | |
| 70 | return 0; | |
| 71 | } | |
| 72 | ||
| 73 | udelay(1000); | |
| 74 | } | |
| 75 | ||
| 76 | printf("\nGot bootcode %08x: ", *ptr); | |
| 77 | sprintf(addr, "%08x", *ptr & ADDRMASK); | |
| 78 | ||
| 79 | switch (*ptr & ~ADDRMASK) { | |
| 80 | case 0: | |
| 81 | /* | |
| 82 | * Boot image via bootm | |
| 83 | */ | |
| 84 | printf("booting image at addr 0x%s ...\n", addr); | |
| 85 | setenv("loadaddr", addr); | |
| 86 | ||
| 87 | do_bootm (cmdtp, 0, 0, NULL); | |
| 88 | break; | |
| 89 | ||
| 90 | case 1: | |
| 91 | /* | |
| 92 | * Boot image via autoscr | |
| 93 | */ | |
| 94 | printf("executing script at addr 0x%s ...\n", addr); | |
| 95 | ||
| 96 | local_args[0] = addr; | |
| 97 | local_args[1] = NULL; | |
| 98 | do_autoscript(cmdtp, 0, 1, local_args); | |
| 99 | break; | |
| 100 | ||
| 101 | case 2: | |
| 102 | /* | |
| 103 | * Call run_cmd | |
| 104 | */ | |
| 105 | printf("running command at addr 0x%s ...\n", addr); | |
| 106 | run_command ((char*)(*ptr & ADDRMASK), 0); | |
| 107 | break; | |
| 108 | ||
| 109 | default: | |
| 110 | printf("unhandled boot method\n"); | |
| 111 | break; | |
| 112 | } | |
| 113 | } | |
| 114 | } | |
| 115 | ||
| 116 | U_BOOT_CMD( | |
| 117 | loadpci, 1, 1, do_loadpci, | |
| 118 | "loadpci - Wait for pci bootcmd and boot it\n", | |
| 119 | NULL | |
| 120 | ); | |
| 121 | ||
| 122 | #endif |