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
|
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2008 Arastra, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* 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>
static void *smp_write_config_table(void *v)
{
static const char sig[4] = "PCMP";
static const char oem[8] = "COREBOOT";
static const char productid[12] = "Truxton ";
struct mp_config_table *mc;
u8 bus_num;
u8 bus_isa;
u8 bus_pea0 = 0;
u8 bus_pea1 = 0;
u8 bus_aioc;
device_t dev;
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);
/* AIOC bridge */
dev = dev_find_slot(0, PCI_DEVFN(0x04,0));
if (dev) {
bus_aioc = pci_read_config8(dev, PCI_SECONDARY_BUS);
bus_isa = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
bus_isa++;
}
else {
printk(BIOS_DEBUG, "ERROR - could not find PCI 0:04.0\n");
bus_aioc = 0;
bus_isa = 9;
}
/* PCIe A0 */
dev = dev_find_slot(0, PCI_DEVFN(0x02,0));
if (dev) {
bus_pea0 = pci_read_config8(dev, PCI_SECONDARY_BUS);
}
else {
printk(BIOS_DEBUG, "ERROR - could not find PCI 0:02.0\n");
bus_pea0 = 0;
}
/* PCIe A1 */
dev = dev_find_slot(0, PCI_DEVFN(0x03,0));
if (dev) {
bus_pea1 = pci_read_config8(dev, PCI_SECONDARY_BUS);
}
else {
printk(BIOS_DEBUG, "ERROR - could not find PCI 0:03.0\n");
bus_pea1 = 0;
}
/* define bus and isa numbers */
for(bus_num = 0; bus_num < bus_isa; bus_num++) {
smp_write_bus(mc, bus_num, "PCI ");
}
smp_write_bus(mc, bus_isa, "ISA ");
/* IOAPIC handling */
smp_write_ioapic(mc, 0x8, 0x20, 0xfec00000);
/* ISA backward compatibility interrupts */
smp_write_intsrc(mc, mp_ExtINT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT,
bus_isa, 0x00, 0x8, 0x00);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT,
bus_isa, 0x01, 0x8, 0x01);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT,
bus_isa, 0x00, 0x8, 0x02);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT,
bus_isa, 0x03, 0x8, 0x03);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT,
bus_isa, 0x04, 0x8, 0x04);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT,
bus_isa, 0x06, 0x8, 0x06);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE|MP_IRQ_POLARITY_HIGH,
bus_isa, 0x08, 0x8, 0x08);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT,
bus_isa, 0x09, 0x8, 0x09);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT,
bus_isa, 0x0c, 0x8, 0x0c);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT,
bus_isa, 0x0d, 0x8, 0x0d);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT,
bus_isa, 0x0e, 0x8, 0x0e);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT,
bus_isa, 0x0f, 0x8, 0x0f);
/* Standard local interrupt assignments */
smp_write_lintsrc(mc, mp_ExtINT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT,
bus_isa, 0x00, MP_APIC_ALL, 0x00);
smp_write_lintsrc(mc, mp_NMI, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT,
bus_isa, 0x00, MP_APIC_ALL, 0x01);
/* IMCH/IICH PCI devices */
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
0, (0x01<<2)|0, 0x8, 0x10); /* DMA controller */
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
0, (0x02<<2)|0, 0x8, 0x10); /* PCIe port A bridge */
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
0, (0x03<<2)|0, 0x8, 0x10); /* PCIe port A1 bridge */
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
0, (0x04<<2)|0, 0x8, 0x10); /* AIOC PCI bridge */
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
0, (0x1d<<2)|0, 0x8, 0x10); /* UHCI/EHCI */
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW,
0, (0x1f<<2)|1, 0x8, 0x11); /* SATA/SMBus */
if (bus_pea0) {
/* PCIe slot 0 */
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT,
bus_pea0, (0<<2)|0, 0x8, 0x10);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT,
bus_pea0, (0<<2)|1, 0x8, 0x11);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT,
bus_pea0, (0<<2)|2, 0x8, 0x12);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT,
bus_pea0, (0<<2)|3, 0x8, 0x13);
}
if (bus_pea1) {
/* PCIe slots 1-4 */
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT,
bus_pea1, (0<<2)|0, 0x8, 0x10);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT,
bus_pea1, (0<<2)|1, 0x8, 0x11);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT,
bus_pea1, (0<<2)|2, 0x8, 0x12);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT,
bus_pea1, (0<<2)|3, 0x8, 0x13);
}
if (bus_aioc) {
/* AIOC PCI devices */
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT,
bus_aioc, (0<<2)|0, 0x8, 0x10); /* GbE0 */
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT,
bus_aioc, (1<<2)|0, 0x8, 0x11); /* GbE1 */
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT,
bus_aioc, (2<<2)|0, 0x8, 0x12); /* GbE2 */
}
/* 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(BIOS_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);
}
|
