2 * This file is part of the coreboot project.
4 * Copyright (C) 2007-2008 coresystems GmbH
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation; version 2 of the License.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 #include "cpu/x86/car/copy_and_run.c"
22 void real_main(unsigned long bist);
24 void stage1_main(unsigned long bist)
26 unsigned int cpu_reset = 0;
30 /* No servicable parts below this line .. */
33 /* Check value of esp to verify if we have enough rom for stack in Cache as RAM */
39 printk_spew("v_esp=%08x\r\n", v_esp);
44 printk_spew("cpu_reset = %08x\r\n",cpu_reset);
47 print_spew("Clearing initial memory region: ");
49 print_spew("No cache as ram now - ");
51 /* store cpu_reset to ebx */
58 #define CLEAR_FIRST_1M_RAM 1
59 #include "cache_as_ram_post.c"
61 #undef CLEAR_FIRST_1M_RAM
62 #include "cache_as_ram_post.c"
69 ::"a"( CONFIG_RAMBASE + (1024-64)*1024 )
73 unsigned new_cpu_reset;
75 /* get back cpu_reset from ebx */
81 #ifdef CONFIG_DEACTIVATE_CAR
82 print_debug("Deactivating CAR");
83 #include CONFIG_DEACTIVATE_CAR_FILE
84 print_debug(" - Done.\r\n");
86 /* Copy and execute coreboot_ram */
87 copy_and_run(new_cpu_reset);
88 /* We will not return */
91 print_debug("sorry. parachute did not open.\r\n");