summaryrefslogtreecommitdiff
path: root/src/mainboard/via/pc2500e/mptable.c
blob: 7f0ae858065689da94fc1c47ffdcb4390da88480 (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
/*
 * This file is part of the coreboot project.
 *
 * Copyright (C) 2007 AMD
 * (Written by Yinghai Lu <yinghailu@amd.com> for AMD)
 * Copyright (C) 2007 Philipp Degler <pdegler@rumms.uni-mannheim.de>
 * (Thanks to LSRA University of Mannheim for their support)
 * Copyright (C) 2008 Jonathan A. Kollasch <jakllsch@kollasch.net>
 *
 * 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
 */

#include <console/console.h>
#include <arch/smp/mpspec.h>
#include <device/pci.h>
#include <string.h>
#include <stdint.h>
#include <../../../southbridge/via/vt8237r/vt8237r.h>


#define bus_isa 2

void *smp_write_config_table(void *v)
{
	static const char sig[4] = "PCMP";
	static const char oem[8] = "VIA     ";
	static const char productid[12] = "PC2500      ";
	struct mp_config_table *mc;

	int bus_num;
	int i;

	mc = (void *)(((char *)v) + SMP_FLOATING_TABLE_LEN);
	memset(mc, 0, sizeof(*mc));

	memcpy(mc->mpc_signature, sig, sizeof(sig));
	mc->mpc_length = sizeof(*mc);	/* initially just the header */
	mc->mpc_spec = 0x04;
	mc->mpc_checksum = 0;	/* not yet computed */
	memcpy(mc->mpc_oem, oem, sizeof(oem));
	memcpy(mc->mpc_productid, productid, sizeof(productid));
	mc->mpc_oemptr = 0;
	mc->mpc_oemsize = 0;
	mc->mpc_entry_count = 0;	/* No entries yet... */
	mc->mpc_lapic = LAPIC_ADDR;
	mc->mpe_length = 0;
	mc->mpe_checksum = 0;
	mc->reserved = 0;

	smp_write_processors(mc);


/* Bus:		Bus ID	Type*/
	/* define numbers for pci and isa bus */
	for (bus_num = 0; bus_num < bus_isa; bus_num++) {
		smp_write_bus(mc, bus_num, "PCI   ");
	}
	smp_write_bus(mc, bus_isa, "ISA   ");


/* I/O APICs:	APIC ID	Version	State		Address*/
	smp_write_ioapic(mc, VT8237R_APIC_ID, 0x20, VT8237R_APIC_BASE);

	/* Now, assemble the table. */

	smp_write_intsrc(mc, mp_ExtINT,
			 MP_IRQ_TRIGGER_EDGE | MP_IRQ_POLARITY_HIGH,
			 bus_isa, 0x0, VT8237R_APIC_ID, 0x0);

#define ISA_INT(intr, pin) \
	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH, \
		bus_isa, (intr), VT8237R_APIC_ID, (pin))

	ISA_INT(1, 1);
	ISA_INT(0, 2);
	ISA_INT(3, 3);
	ISA_INT(4, 4);

	ISA_INT(6, 6);
	ISA_INT(7, 7);
	ISA_INT(8, 8);
	ISA_INT(9, 9);

	ISA_INT(0xc, 0xc);
	ISA_INT(0xd, 0xd);
	ISA_INT(0xe, 0xe);
	ISA_INT(0xf, 0xf);

#define PCI_INT(bus, dev, fn, pin) \
	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, \
		bus, (((dev)<<2)|(fn)), VT8237R_APIC_ID, (pin))

	// PCI slot 1
	PCI_INT(0, 8, 0, 16);
	PCI_INT(0, 8, 1, 17);
	PCI_INT(0, 8, 2, 18);
	PCI_INT(0, 8, 3, 19);

	// PCI slot 2
	PCI_INT(0, 9, 0, 17);
	PCI_INT(0, 9, 1, 18);
	PCI_INT(0, 9, 2, 19);
	PCI_INT(0, 9, 3, 16);

	// SATA
	PCI_INT(0, 15, 1, 20);

	// USB
	PCI_INT(0, 16, 0, 21);
	PCI_INT(0, 16, 1, 21);
	PCI_INT(0, 16, 2, 21);
	PCI_INT(0, 16, 3, 21);

	// Audio
	PCI_INT(0, 17, 2, 22);

	// Ethernet
	PCI_INT(0, 18, 0, 23);

	/* Onboard VGA */
	PCI_INT(1, 0, 0, 16);

/*Local Ints:	Type	Polarity    Trigger	Bus ID	 IRQ	APIC ID	PIN#*/
	smp_write_lintsrc(mc, mp_ExtINT,
			 MP_IRQ_TRIGGER_DEFAULT | MP_IRQ_POLARITY_DEFAULT,
			 0, 0x0, MP_APIC_ALL, 0x0);
	smp_write_lintsrc(mc, mp_NMI,
			 MP_IRQ_TRIGGER_DEFAULT | MP_IRQ_POLARITY_DEFAULT,
			 0, 0x0, MP_APIC_ALL, 0x1);

	/* There is no extension information... */

	/* Compute the checksums */
	mc->mpe_checksum =
	    smp_compute_checksum(smp_next_mpc_entry(mc), mc->mpe_length);
	mc->mpc_checksum = smp_compute_checksum(mc, mc->mpc_length);
	printk_debug("Wrote the mp table end at: %p - %p\n",
		     mc, smp_next_mpe_entry(mc));
	return smp_next_mpe_entry(mc);
}

unsigned long write_smp_table(unsigned long addr)
{
	void *v;
	v = smp_write_floating_table(addr);
	return (unsigned long)smp_write_config_table(v);
}