3 * Jean-Christophe PLAGNIOL-VILLARD <jcplagniol@jcrosoft.com>
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
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.
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, MA 02111-1307 USA
27 #include <asm/byteorder.h>
28 #include <asm/addrspace.h>
30 DECLARE_GLOBAL_DATA_PTR;
32 int do_bootm_linux(int flag, int argc, char * const argv[],
33 bootm_headers_t *images)
35 void (*theKernel) (int, char **, char **, int *);
36 char *bootargs = getenv("bootargs");
40 /* find kernel entry point */
41 theKernel = (void (*)(int, char **, char **, int *))images->ep;
43 bootstage_mark(BOOTSTAGE_ID_RUN_OS);
45 debug("## Transferring control to Linux (at address %08lx) ...\n",
48 gd->bd->bi_boot_params = gd->bd->bi_memstart + (16 << 20) - 256;
49 debug("%-12s= 0x%08lX\n", "boot_params", (ulong)gd->bd->bi_boot_params);
52 *(int32_t *)(gd->bd->bi_boot_params - 4) = 0x12345678;
54 *(int32_t *)(gd->bd->bi_boot_params - 8) = gd->ram_size;
56 start = (char *)gd->bd->bi_boot_params;
58 len = strlen(bootargs);
60 strncpy(start, bootargs, len + 1);
64 len = images->rd_end - images->rd_start;
66 start += sprintf(start, " rd_start=0x%08X rd_size=0x%0X",
67 (uint) UNCACHED_SDRAM(images->rd_start),
71 /* we assume that the kernel is in place */
72 printf("\nStarting kernel ...\n\n");
74 theKernel(0, NULL, NULL, 0);