/* * (C) Copyright 2008 * Jean-Christophe PLAGNIOL-VILLARD <jcplagniol@jcrosoft.com> * * See file CREDITS for list of people who contributed to this * project. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ #include <common.h> #include <command.h> #include <image.h> #include <asm/byteorder.h> #include <asm/addrspace.h> DECLARE_GLOBAL_DATA_PTR; int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images) { void (*theKernel) (int, char **, char **, int *); char *bootargs = getenv ("bootargs"); char *start; uint len; /* find kernel entry point */ theKernel = (void (*)(int, char **, char **, int *))images->ep; show_boot_progress (15); debug ("## Transferring control to Linux (at address %08lx) ...\n", (ulong) theKernel); gd->bd->bi_boot_params = gd->bd->bi_memstart + (16 << 20) - 256; debug ("%-12s= 0x%08lX\n", "boot_params", (ulong)gd->bd->bi_boot_params); /* set Magic */ *(int32_t *)(gd->bd->bi_boot_params - 4) = 0x12345678; /* set ram_size */ *(int32_t *)(gd->bd->bi_boot_params - 8) = gd->ram_size; start = (char*)gd->bd->bi_boot_params; len = strlen(bootargs); strncpy(start, bootargs, len + 1); start += len; len = images->rd_end - images->rd_start; if (len > 0) { start += sprintf(start," rd_start=0x%08X rd_size=0x%0X", (uint) UNCACHED_SDRAM (images->rd_start), (uint) len); } /* we assume that the kernel is in place */ printf ("\nStarting kernel ...\n\n"); theKernel (0, NULL, NULL, 0); /* does not return */ return 1; }