blob: 849479c8288cbcc5395180f48b0fda23fe6f8b50 [file] [log] [blame]
Christian Gmeiner86f992c2012-07-13 11:36:08 +02001/*
2 * This file is part of the coreboot project.
3 *
4 * Copyright (C) 2012 Bachmann electronic GmbH
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
Paul Menzela46a7122013-02-23 18:37:27 +010018 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Christian Gmeiner86f992c2012-07-13 11:36:08 +020019 */
20
21
22#include <stdlib.h>
23#include <stdint.h>
24#include <spd.h>
25#include <device/pci_def.h>
26#include <arch/io.h>
27#include <device/pnp_def.h>
28#include <arch/hlt.h>
29#include <console/console.h>
30#include "cpu/x86/bist.h"
31#include "cpu/x86/msr.h"
32#include <cpu/amd/lxdef.h>
33#include "southbridge/amd/cs5536/cs5536.h"
34#include "southbridge/amd/cs5536/early_smbus.c"
35#include "southbridge/amd/cs5536/early_setup.c"
Christian Gmeiner4eb5aa22013-06-04 17:27:22 +020036#include "northbridge/amd/lx/raminit.h"
Christian Gmeiner86f992c2012-07-13 11:36:08 +020037
Christian Gmeinerc4e07bb2013-06-04 17:34:35 +020038int spd_read_byte(unsigned int device, unsigned int address)
Christian Gmeiner86f992c2012-07-13 11:36:08 +020039{
40 return smbus_read_byte(device, address);
41}
42
Christian Gmeiner86f992c2012-07-13 11:36:08 +020043#include "northbridge/amd/lx/pll_reset.c"
Christian Gmeiner86f992c2012-07-13 11:36:08 +020044#include "lib/generic_sdram.c"
45#include "cpu/amd/geode_lx/cpureginit.c"
46#include "cpu/amd/geode_lx/syspreinit.c"
47#include "cpu/amd/geode_lx/msrinit.c"
48
Aaron Durbina0a37272014-08-14 08:35:11 -050049#include <cpu/intel/romstage.h>
Christian Gmeiner86f992c2012-07-13 11:36:08 +020050void main(unsigned long bist)
51{
52 static const struct mem_controller memctrl[] = {
53 {.channel0 = {DIMM0}}
54 };
55
56 SystemPreInit();
57 msr_init();
58
59 cs5536_early_setup();
60
61 /* Note: must do this AFTER the early_setup! It is counting on some
62 * early MSR setup for CS5536.
63 */
64 /* cs5536_disable_internal_uart: disable them for now, set them
65 * up later...
66 */
67 /* If debug. real setup done in chipset init via devicetree.cb. */
68 cs5536_setup_onchipuart(1);
69 console_init();
70
71 /* Halt if there was a built in self test failure */
72 report_bist_failure(bist);
73
Patrick Georgi7dc28642012-07-13 19:06:22 +020074 pll_reset();
Christian Gmeiner86f992c2012-07-13 11:36:08 +020075
76 cpuRegInit(0, DIMM0, DIMM1, DRAM_TERMINATED);
77
78 sdram_initialize(1, memctrl);
79
80 /* Memory is setup. Return to cache_as_ram.inc and continue to boot. */
81 return;
82}