summaryrefslogtreecommitdiff
path: root/src/mainboard/pcengines/apu2/mainboard.c
blob: 043bc172d0380b7ad2d428dafe8d3b861e5c915b (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
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
/*
 * This file is part of the coreboot project.
 *
 * Copyright (C) 2012 Advanced Micro Devices, Inc.
 *
 * 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 <arch/acpi.h>
#include <arch/io.h>
#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_def.h>
#include <northbridge/amd/pi/BiosCallOuts.h>
#include <northbridge/amd/pi/agesawrapper.h>
#include <southbridge/amd/pi/hudson/hudson.h>
#include <southbridge/amd/pi/hudson/pci_devs.h>
#include <southbridge/amd/pi/hudson/amd_pci_int_defs.h>
#include <northbridge/amd/pi/00730F01/pci_devs.h>
#include <southbridge/amd/common/amd_pci_util.h>
#include <superio/nuvoton/nct5104d/nct5104d.h>
#include <smbios.h>
#include <string.h>
#include <cpu/x86/msr.h>
#include <cpu/amd/mtrr.h>
#include "gpio_ftns.h"

#define SPD_SIZE  128
#define PM_RTC_CONTROL	    0x56
#define PM_S_STATE_CONTROL  0xBA


/***********************************************************
 * These arrays set up the FCH PCI_INTR registers 0xC00/0xC01.
 * This table is responsible for physically routing the PIC and
 * IOAPIC IRQs to the different PCI devices on the system.  It
 * is read and written via registers 0xC00/0xC01 as an
 * Index/Data pair.  These values are chipset and mainboard
 * dependent and should be updated accordingly.
 *
 * These values are used by the PCI configuration space,
 * MP Tables.  TODO: Make ACPI use these values too.
 */
static const u8 mainboard_picr_data[FCH_INT_TABLE_SIZE] = {
#if defined(__GNUC__)
	[0 ... FCH_INT_TABLE_SIZE-1] = 0x1F,
#endif
	/* INTA# - INTH# */
	[0x00] = 0x03,0x03,0x05,0x07,0x0B,0x0A,0x1F,0x1F,
	/* Misc-nil,0,1,2, INT from Serial irq */
	[0x08] = 0xFA,0xF1,0x00,0x00,0x1F,0x1F,0x1F,0x1F,
	/* SCI, SMBUS0, ASF, HDA, FC, RSVD, PerMon, SD */
	[0x10] = 0x1F,0x1F,0x1F,0x1F,0x1F,0x1F,0x1F,0x1F,
	[0x18] = 0x1F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
	/* IMC INT0 - 5 */
	[0x20] = 0x1F,0x1F,0x1F,0x1F,0x1F,0x1F,0x00,0x00,
	[0x28] = 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
	/* USB Devs 18/19/22 INTA-C */
	[0x30] = 0x05,0x1F,0x05,0x1F,0x04,0x1F,0x1F,0x1F,
	[0x38] = 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
	/* SATA */
	[0x40] = 0x1F,0x1F,0x00,0x00,0x00,0x00,0x00,0x00,
	[0x48] = 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
	[0x50] = 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
	[0x58] = 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
	[0x60] = 0x00,0x00,0x1F
};

static const u8 mainboard_intr_data[FCH_INT_TABLE_SIZE] = {
#if defined(__GNUC__)
	[0 ... FCH_INT_TABLE_SIZE-1] = 0x1F,
#endif
	/* INTA# - INTH# */
	[0x00] = 0x10,0x10,0x12,0x13,0x14,0x15,0x1F,0x1F,
	/* Misc-nil,0,1,2, INT from Serial irq */
	[0x08] = 0x00,0x00,0x00,0x00,0x1F,0x1F,0x1F,0x1F,
	/* SCI, SMBUS0, ASF, HDA, FC, RSVD, PerMon, SD */
	[0x10] = 0x09,0x1F,0x1F,0x1F,0x1F,0x1f,0x1F,0x10,
	[0x18] = 0x1F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
	/* IMC INT0 - 5 */
	[0x20] = 0x05,0x1F,0x1F,0x1F,0x1F,0x1F,0x00,0x00,
	[0x28] = 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
	/* USB Devs 18/19/20/22 INTA-C */
	[0x30] = 0x12,0x1f,0x12,0x1F,0x12,0x1F,0x1F,0x00,
	[0x38] = 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
	/* SATA */
	[0x40] = 0x1f,0x13,0x00,0x00,0x00,0x00,0x00,0x00,
	[0x48] = 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
	[0x50] = 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
	[0x58] = 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
	[0x60] = 0x00,0x00,0x1F
};

/*
 * This table defines the index into the picr/intr_data
 * tables for each device.  Any enabled device and slot
 * that uses hardware interrupts should have an entry
 * in this table to define its index into the FCH
 * PCI_INTR register 0xC00/0xC01.  This index will define
 * the interrupt that it should use.  Putting PIRQ_A into
 * the PIN A index for a device will tell that device to
 * use PIC IRQ 10 if it uses PIN A for its hardware INT.
 */
static const struct pirq_struct mainboard_pirq_data[] = {
	/* {PCI_devfn,	{PIN A, PIN B, PIN C, PIN D}}, */
	{GFX_DEVFN,	{PIRQ_A, PIRQ_NC, PIRQ_NC, PIRQ_NC}},			/* VGA:		01.0 */
	{ACTL_DEVFN,{PIRQ_NC, PIRQ_B, PIRQ_NC, PIRQ_NC}},			/* Audio:	01.1 */
	{NB_PCIE_PORT1_DEVFN,	{PIRQ_A, PIRQ_B, PIRQ_C, PIRQ_D}},	/* x4 PCIe:	02.1 */
	{NB_PCIE_PORT2_DEVFN,	{PIRQ_B, PIRQ_C, PIRQ_D, PIRQ_A}},	/* mPCIe:	02.2 */
	{NB_PCIE_PORT3_DEVFN,	{PIRQ_C, PIRQ_D, PIRQ_A, PIRQ_B}},	/* NIC:		02.3 */
	{XHCI_DEVFN,	{PIRQ_C, PIRQ_NC, PIRQ_NC, PIRQ_NC}},		/* XHCI:	10.0 */
	{SATA_DEVFN,	{PIRQ_SATA, PIRQ_NC, PIRQ_NC, PIRQ_NC}},	/* SATA:	11.0 */
	{OHCI1_DEVFN,	{PIRQ_OHCI1, PIRQ_NC, PIRQ_NC, PIRQ_NC}},	/* OHCI1:	12.0 */
	{EHCI1_DEVFN,	{PIRQ_NC, PIRQ_EHCI1, PIRQ_NC, PIRQ_NC}},	/* EHCI1:	12.2 */
	{OHCI2_DEVFN,	{PIRQ_OHCI2, PIRQ_NC, PIRQ_NC, PIRQ_NC}},	/* OHCI2:	13.0 */
	{EHCI2_DEVFN,	{PIRQ_NC, PIRQ_EHCI2, PIRQ_NC, PIRQ_NC}},	/* EHCI2:	13.2 */
	{SMBUS_DEVFN,	{PIRQ_SMBUS, PIRQ_NC, PIRQ_NC, PIRQ_NC}},	/* SMBUS:	14.0 */
	{HDA_DEVFN,		{PIRQ_HDA, PIRQ_NC, PIRQ_NC, PIRQ_NC}},		/* HDA:		14.2 */
	{SD_DEVFN,		{PIRQ_SD, PIRQ_NC, PIRQ_NC, PIRQ_NC}},		/* SD:		14.7 */
	{OHCI3_DEVFN,	{PIRQ_OHCI3, PIRQ_NC, PIRQ_NC, PIRQ_NC}},	/* OHCI3:	16.0 (same device as xHCI 10.0) */
	{EHCI3_DEVFN,	{PIRQ_NC, PIRQ_EHCI3, PIRQ_NC, PIRQ_NC}},	/* EHCI3:	16.2 (same device as xHCI 10.1) */
};

/* PIRQ Setup */
static void pirq_setup(void)
{
	pirq_data_ptr = mainboard_pirq_data;
	pirq_data_size = sizeof(mainboard_pirq_data) / sizeof(struct pirq_struct);
	intr_data_ptr = mainboard_intr_data;
	picr_data_ptr = mainboard_picr_data;
}

/* Wrapper to enable GPIO/UART devices under menuconfig. Revisit
 * once configuration file format for SPI flash storage is complete.
 */
#define SIO_PORT 0x2e

static void config_gpio_mux(void)
{
	struct device *uart, *gpio;

	uart = dev_find_slot_pnp(SIO_PORT, NCT5104D_SP3);
	gpio = dev_find_slot_pnp(SIO_PORT, NCT5104D_GPIO0);
	if (uart)
		uart->enabled = CONFIG_APU2_PINMUX_UART_C;
	if (gpio)
		gpio->enabled = CONFIG_APU2_PINMUX_GPIO0;

	uart = dev_find_slot_pnp(SIO_PORT, NCT5104D_SP4);
	gpio = dev_find_slot_pnp(SIO_PORT, NCT5104D_GPIO1);
	if (uart)
		uart->enabled = CONFIG_APU2_PINMUX_UART_D;
	if (gpio)
		gpio->enabled = CONFIG_APU2_PINMUX_GPIO1;
}

/**********************************************
 * enable the dedicated function in mainboard.
 **********************************************/

static void mainboard_enable(device_t dev)
{
	printk(BIOS_INFO, "Mainboard " CONFIG_MAINBOARD_PART_NUMBER " Enable.\n");

	config_gpio_mux();

	//
	// Enable the RTC output
	//
	pm_write16 ( PM_RTC_CONTROL, pm_read16( PM_RTC_CONTROL ) | (1 << 11));

	//
	// Enable power on from WAKE#
	//
	pm_write16 ( PM_S_STATE_CONTROL, pm_read16( PM_S_STATE_CONTROL ) | (1 << 14));

	/* Initialize the PIRQ data structures for consumption */
	pirq_setup();
}

/*
 * We will stuff a modified version of the first NICs (BDF 1:0.0) MAC address
 * into the smbios serial number location.
 */
const char *smbios_mainboard_serial_number(void)
{
	static char serial[10];
	device_t nic_dev;
	uintptr_t bar10;
	u32 mac_addr = 0;
	int i;

	nic_dev = dev_find_slot(1, PCI_DEVFN(0, 0));
	if ((serial[0] != 0) || !nic_dev)
		return serial;

	/* Read in the last 3 bytes of NIC's MAC address. */
	bar10 = pci_read_config32(nic_dev, 0x10);
	bar10 &= 0xFFFE0000;
	bar10 += 0x5400;
	for (i = 3; i < 6; i++) {
		mac_addr <<= 8;
		mac_addr |= read8((u8 *)bar10 + i);
	}
	mac_addr &= 0x00FFFFFF;
	mac_addr /= 4;
	mac_addr -= 64;

	snprintf(serial, sizeof(serial), "%d", mac_addr);
	return serial;
}

/*
 * We will stuff the memory size into the smbios sku location.
 */
const char *smbios_mainboard_sku(void)
{
	static char sku[5];
	if (sku[0] != 0)
		return sku;

	if (!get_spd_offset())
		snprintf(sku, sizeof(sku), "2 GB");
	else
		snprintf(sku, sizeof(sku), "4 GB");
	return sku;
}

struct chip_operations mainboard_ops = {
	.enable_dev = mainboard_enable,
};