upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/arch/mips/lib/bootm_qemu_mips.c

76 lines
2.1 KiB

/*
* (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 * const 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;
}