1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
|
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2008 VIA Technologies, Inc.
* (Written by Aaron Lwe <aaron.lwe@gmail.com> for VIA)
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#define ASSEMBLY 1
#include <stdint.h>
#include <device/pci_def.h>
#include <device/pci_ids.h>
#include <arch/io.h>
#include <device/pnp_def.h>
#include <arch/romcc_io.h>
#include <arch/hlt.h>
#include "pc80/serial.c"
#include "arch/i386/lib/console.c"
#include "lib/ramtest.c"
#include "northbridge/via/cn400/raminit.h"
#include "cpu/x86/mtrr/earlymtrr.c"
#include "cpu/x86/bist.h"
#include "pc80/udelay_io.c"
#include "lib/delay.c"
#include "cpu/x86/lapic/boot_cpu.c"
#include "southbridge/via/vt8237r/vt8237r_early_smbus.c"
#include "superio/winbond/w83697hf/w83697hf_early_serial.c"
#define SERIAL_DEV PNP_DEV(0x2e, W83697HF_SP1)
/*
* NOOB ::
* d0f0 - Device 0 Function 0 etc.
*/
static const struct mem_controller ctrl = {
.d0f0 = 0x0000,
.d0f2 = 0x2000,
.d0f3 = 0x3000,
.d0f4 = 0x4000,
.d0f7 = 0x7000,
.d1f0 = 0x8000,
.channel0 = { 0x50 },
};
static void memreset_setup(void)
{
}
static inline int spd_read_byte(unsigned device, unsigned address)
{
return smbus_read_byte(device, address);
}
#include "northbridge/via/cn400/raminit.c"
static void enable_mainboard_devices(void)
{
device_t dev;
u8 reg;
dev = pci_locate_device(PCI_ID(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_VT8237R_LPC), 0);
if (dev == PCI_DEV_INVALID)
die("Southbridge not found!!!\n");
/* bit=0 means enable function (per VT8237R datasheet)
* 7 17.6 MC97
* 6 17.5 AC97
* 5 16.1 USB 2
* 4 16.0 USB 1
* 3 15.0 SATA and PATA
* 2 16.2 USB 3
* 1 16.4 USB EHCI
*/
pci_write_config8(dev, 0x50, 0xC0);
/*bit=0 means enable internal function (per VT8237R datasheet)
* 7 USB Device Mode
*bit=1 means enable internal function (per VT8237R datasheet)
* 6 Reserved
* 5 LAN Controller Clock Gating
* 4 LAN Controller
* 3 Internal RTC
* 2 Internal PS2 Mouse
* 1 Internal KBC Configuration
* 0 Internal Keyboard Controller
*/
pci_write_config8(dev, 0x51, 0x9d);
}
static void enable_shadow_ram(void)
{
unsigned char shadowreg;
shadowreg = pci_read_config8(ctrl.d0f3, 0x82);
/* 0xf0000-0xfffff Read/Write*/
shadowreg |= 0x30;
pci_write_config8(ctrl.d0f3, 0x82, shadowreg);
}
static void main(unsigned long bist)
{
unsigned long x;
device_t dev;
/* Enable multifunction for northbridge. */
pci_write_config8(ctrl.d0f0, 0x4f, 0x01);
w83697hf_set_clksel_48(SERIAL_DEV);
w83697hf_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
uart_init();
console_init();
print_spew("In auto.c:main()\r\n");
enable_smbus();
smbus_fixup(&ctrl);
/* Halt if there was a built-in self test failure. */
report_bist_failure(bist);
print_debug("Enabling mainboard devices\r\n");
enable_mainboard_devices();
print_debug("Enable F-ROM Shadow RAM\r\n");
enable_shadow_ram();
/* setup cpu */
print_debug("Setup CPU Interface\r\n");
c3_cpu_setup(ctrl.d0f2);
ddr_ram_setup();
if (bist == 0) {
print_debug("doing early_mtrr\r\n");
early_mtrr_init();
}
//ram_check(0, 640 * 1024);
print_spew("Leaving auto.c:main()\r\n");
}
|
