summaryrefslogtreecommitdiff
path: root/src/mainboard/intel/emeraldlake2/romstage.c
blob: b43a9b0c078097aabc1ac07483c9b08af1088558 (plain)
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
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
/*
 * This file is part of the coreboot project.
 *
 * Copyright (C) 2007-2010 coresystems GmbH
 * Copyright (C) 2011 The ChromiumOS Authors.  All rights reserved.
 *
 * 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; version 2 of the License.
 *
 * 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.
 */

#include <stdint.h>
#include <string.h>
#include <timestamp.h>
#include <arch/io.h>
#include <device/pci_def.h>
#include <cpu/x86/lapic.h>
#include <arch/acpi.h>
#include <superio/smsc/sio1007/chip.h>
#include <northbridge/intel/sandybridge/sandybridge.h>
#include <northbridge/intel/sandybridge/raminit.h>
#include <northbridge/intel/sandybridge/raminit_native.h>
#include <southbridge/intel/bd82x6x/pch.h>
#include <southbridge/intel/common/gpio.h>
#include <halt.h>

#define SIO_PORT 0x164e

void pch_enable_lpc(void)
{
	pci_devfn_t dev = PCH_LPC_DEV;

	/* Set COM1/COM2 decode range */
	pci_write_config16(dev, LPC_IO_DEC, 0x0010);

	/* Enable SuperIO + PS/2 Keyboard/Mouse */
	u16 lpc_config = CNF1_LPC_EN | CNF2_LPC_EN | KBC_LPC_EN;
	pci_write_config16(dev, LPC_EN, lpc_config);

	/* Map 256 bytes at 0x1600 to the LPC bus. */
	pci_write_config32(dev, LPC_GEN1_DEC, 0xfc1601);

	/* Map a range for the runtime_port registers to the LPC bus. */
	pci_write_config32(dev, LPC_GEN2_DEC, 0xc0181);

	/* Enable COM1 */
	if (sio1007_enable_uart_at(SIO_PORT)) {
		pci_write_config16(dev, LPC_EN,
				   lpc_config | COMA_LPC_EN);
	}
}

void mainboard_rcba_config(void)
{
	southbridge_configure_default_intmap();
}

void mainboard_config_superio(void)
{
	const u16 port = SIO_PORT;
	const u16 runtime_port = 0x180;

	/* Turn on configuration mode. */
	outb(0x55, port);

	/* Set the GPIO direction, polarity, and type. */
	sio1007_setreg(port, 0x31, 1 << 0, 1 << 0);
	sio1007_setreg(port, 0x32, 0 << 0, 1 << 0);
	sio1007_setreg(port, 0x33, 0 << 0, 1 << 0);

	/* Set the base address for the runtime register block. */
	sio1007_setreg(port, 0x30, runtime_port >> 4, 0xff);
	sio1007_setreg(port, 0x21, runtime_port >> 12, 0xff);

	/* Turn on address decoding for it. */
	sio1007_setreg(port, 0x3a, 1 << 1, 1 << 1);

	/* Set the value of GPIO 10 by changing GP1, bit 0. */
	u8 byte;
	byte = inb(runtime_port + 0xc);
	byte |= (1 << 0);
	outb(byte, runtime_port + 0xc);

	/* Turn off address decoding for it. */
	sio1007_setreg(port, 0x3a, 0 << 1, 1 << 1);

	/* Turn off configuration mode. */
	outb(0xaa, port);
}

void mainboard_fill_pei_data(struct pei_data *pei_data)
{
	struct pei_data pei_data_template = {
		.pei_version = PEI_VERSION,
		.mchbar = (uintptr_t)DEFAULT_MCHBAR,
		.dmibar = (uintptr_t)DEFAULT_DMIBAR,
		.epbar = DEFAULT_EPBAR,
		.pciexbar = CONFIG_MMCONF_BASE_ADDRESS,
		.smbusbar = SMBUS_IO_BASE,
		.wdbbar = 0x4000000,
		.wdbsize = 0x1000,
		.hpet_address = CONFIG_HPET_ADDRESS,
		.rcba = (uintptr_t)DEFAULT_RCBABASE,
		.pmbase = DEFAULT_PMBASE,
		.gpiobase = DEFAULT_GPIOBASE,
		.thermalbase = 0xfed08000,
		.system_type = 0, // 0 Mobile, 1 Desktop/Server
		.tseg_size = CONFIG_SMM_TSEG_SIZE,
		.spd_addresses = { 0xa0, 0x00, 0xa4, 0x00 },
		.ts_addresses = { 0x00, 0x00, 0x00, 0x00 },
		.ec_present = 0,
		// 0 = leave channel enabled
		// 1 = disable dimm 0 on channel
		// 2 = disable dimm 1 on channel
		// 3 = disable dimm 0+1 on channel
		.dimm_channel0_disabled = 2,
		.dimm_channel1_disabled = 2,
		.max_ddr3_freq = 1600,
		.usb_port_config = {
			{ 1, 0, 0x0040 }, /* P0: Front port  (OC0) */
			{ 1, 1, 0x0040 }, /* P1: Back port   (OC1) */
			{ 1, 0, 0x0040 }, /* P2: MINIPCIE1   (no OC) */
			{ 1, 0, 0x0040 }, /* P3: MMC         (no OC) */
			{ 1, 2, 0x0040 }, /* P4: Front port  (OC2) */
			{ 0, 0, 0x0000 }, /* P5: Empty */
			{ 0, 0, 0x0000 }, /* P6: Empty */
			{ 0, 0, 0x0000 }, /* P7: Empty */
			{ 1, 4, 0x0040 }, /* P8: Back port   (OC4) */
			{ 1, 4, 0x0040 }, /* P9: MINIPCIE3   (no OC) */
			{ 1, 4, 0x0040 }, /* P10: BLUETOOTH  (no OC) */
			{ 0, 4, 0x0000 }, /* P11: Empty */
			{ 1, 6, 0x0040 }, /* P12: Back port  (OC6) */
			{ 1, 5, 0x0040 }, /* P13: Back port  (OC5) */
		},
	};
	*pei_data = pei_data_template;
}

const struct southbridge_usb_port mainboard_usb_ports[] = {
	/* enabled power  usb oc pin  */
	{ 1, 0, 0 }, /* P0: Front port  (OC0) */
	{ 1, 0, 1 }, /* P1: Back port   (OC1) */
	{ 1, 0, -1 }, /* P2: MINIPCIE1   (no OC) */
	{ 1, 0, -1 }, /* P3: MMC         (no OC) */
	{ 1, 0, 2 }, /* P4: Front port  (OC2) */
	{ 0, 0, -1 }, /* P5: Empty */
	{ 0, 0, -1 }, /* P6: Empty */
	{ 0, 0, -1 }, /* P7: Empty */
	{ 1, 0, 4 }, /* P8: Back port   (OC4) */
	{ 1, 0, -1 }, /* P9: MINIPCIE3   (no OC) */
	{ 1, 0, -1 }, /* P10: BLUETOOTH  (no OC) */
	{ 0, 0, -1 }, /* P11: Empty */
	{ 1, 0, 6 }, /* P12: Back port  (OC6) */
	{ 1, 0, 5 }, /* P13: Back port  (OC5) */
};

void mainboard_get_spd(spd_raw_data *spd, bool id_only)
{
	read_spd(&spd[0], 0x50, id_only);
	read_spd(&spd[2], 0x52, id_only);
}

void mainboard_early_init(int s3resume)
{
}

int mainboard_should_reset_usb(int s3resume)
{
	return !s3resume;
}