blob: 643e9841ec92ea8c0aadd7b9b03c71f3f8f0b964 [file] [log] [blame]
Ed Swierk354e2d32008-03-16 23:39:24 +00001/*
2 * This file is part of the coreboot project.
3 *
4 * Copyright (C) 2008 Arastra, Inc.
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 version 2 as
8 * published by the Free Software Foundation.
9 *
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.
14 *
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
18 *
19 */
20
21#define ASSEMBLY 1
22#include <stdint.h>
23#include <stdlib.h>
24#include <device/pci_def.h>
25#include <device/pci_ids.h>
26#include <arch/io.h>
27#include <device/pnp_def.h>
28#include <arch/romcc_io.h>
29#include <cpu/x86/lapic.h>
30#include "pc80/mc146818rtc_early.c"
31#include "pc80/serial.c"
32#include "arch/i386/lib/console.c"
33#include "ram/ramtest.c"
34#include "southbridge/intel/i3100/i3100_early_smbus.c"
35#include "southbridge/intel/i3100/i3100_early_lpc.c"
36#include "northbridge/intel/i3100/raminit.h"
37#include "superio/intel/i3100/i3100.h"
38#include "cpu/x86/lapic/boot_cpu.c"
39#include "cpu/x86/mtrr/earlymtrr.c"
40#include "superio/intel/i3100/i3100_early_serial.c"
41#include "northbridge/intel/i3100/memory_initialized.c"
42#include "cpu/x86/bist.h"
43
44#define SIO_GPIO_BASE 0x680
45#define SIO_XBUS_BASE 0x4880
46
47#define DEVPRES_CONFIG (DEVPRES_D1F0 | DEVPRES_D2F0)
48#define DEVPRES1_CONFIG (DEVPRES1_D0F1 | DEVPRES1_D8F0)
49
50static inline void activate_spd_rom(const struct mem_controller *ctrl)
51{
52 /* nothing to do */
53}
54static inline int spd_read_byte(u16 device, u8 address)
55{
56 return smbus_read_byte(device, address);
57}
58
59#include "northbridge/intel/i3100/raminit.c"
60#include "sdram/generic_sdram.c"
61#include "../jarrell/debug.c"
62
63
64static void main(unsigned long bist)
65{
66 msr_t msr;
67 u16 perf;
68 static const struct mem_controller mch[] = {
69 {
70 .node_id = 0,
71 .f0 = PCI_DEV(0, 0x00, 0),
72 .f1 = PCI_DEV(0, 0x00, 1),
73 .f2 = PCI_DEV(0, 0x00, 2),
74 .f3 = PCI_DEV(0, 0x00, 3),
75 .channel0 = { (0xa<<3)|3, (0xa<<3)|2, (0xa<<3)|1, (0xa<<3)|0 },
76 .channel1 = { (0xa<<3)|7, (0xa<<3)|6, (0xa<<3)|5, (0xa<<3)|4 },
77 }
78 };
79
80 if (bist == 0) {
81 /* Skip this if there was a built in self test failure */
82 early_mtrr_init();
83 if (memory_initialized()) {
84 asm volatile ("jmp __cpu_reset");
85 }
86 }
87 /* Set up the console */
88 i3100_enable_superio();
89 i3100_enable_serial(0x4e, I3100_SP1, TTYS0_BASE);
90 uart_init();
91 console_init();
92
93 /* Halt if there was a built in self test failure */
94 report_bist_failure(bist);
95
96 /* print_pci_devices(); */
97 enable_smbus();
98 /* dump_spd_registers(); */
99
100 /* Enable SpeedStep and automatic thermal throttling */
101 /* FIXME: move to Pentium M init code */
102 msr = rdmsr(0x1a0);
103 msr.lo |= (1 << 3) | (1 << 16);
104 wrmsr(0x1a0, msr);
105 msr = rdmsr(0x19d);
106 msr.lo |= (1 << 16);
107 wrmsr(0x19d, msr);
108
109 /* Set CPU frequency/voltage to maximum */
110 /* FIXME: move to Pentium M init code */
111 msr = rdmsr(0x198);
112 perf = msr.hi & 0xffff;
113 msr = rdmsr(0x199);
114 msr.lo &= 0xffff0000;
115 msr.lo |= perf;
116 wrmsr(0x199, msr);
117
118 sdram_initialize(ARRAY_SIZE(mch), mch);
119 /* dump_pci_devices(); */
120 /* dump_pci_device(PCI_DEV(0, 0x00, 0)); */
121 /* dump_bar14(PCI_DEV(0, 0x00, 0)); */
122
123 ram_check(0, 1024 * 1024);
124}