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
|
#include <console/console.h>
#include <arch/smp/mpspec.h>
#include <device/pci.h>
#include <string.h>
#include <stdint.h>
#include <assert.h>
#include "bus.h"
#include "ioapic.h"
// Generate MP-table IRQ numbers for PCI devices.
#define INT_A 0
#define INT_B 1
#define INT_C 2
#define INT_D 3
#define PCI_IRQ(dev, intLine) (((dev)<<2) | intLine)
void xe7501devkit_register_buses(struct mp_config_table *mc)
{
// Bus ID, Bus Type
smp_write_bus(mc, PCI_BUS_CHIPSET, BUSTYPE_PCI);
smp_write_bus(mc, PCI_BUS_E7501_HI_B, BUSTYPE_PCI);
smp_write_bus(mc, PCI_BUS_P64H2_2_B, BUSTYPE_PCI);
smp_write_bus(mc, PCI_BUS_P64H2_2_A, BUSTYPE_PCI);
smp_write_bus(mc, PCI_BUS_E7501_HI_D, BUSTYPE_PCI);
smp_write_bus(mc, PCI_BUS_P64H2_1_B, BUSTYPE_PCI);
smp_write_bus(mc, PCI_BUS_P64H2_1_A, BUSTYPE_PCI);
smp_write_bus(mc, PCI_BUS_ICH3, BUSTYPE_PCI);
smp_write_bus(mc, SUPERIO_BUS, BUSTYPE_ISA);
}
void xe7501devkit_register_ioapics(struct mp_config_table *mc)
{
device_t dev;
struct resource *res;
// TODO: Gack. This is REALLY ugly.
// Southbridge IOAPIC
smp_write_ioapic(mc, IOAPIC_ICH3, 0x20, 0xfec00000); // APIC ID, Version, Address
// P64H2#2 Bus A IOAPIC
dev = dev_find_slot(PCI_BUS_E7501_HI_B, PCI_DEVFN(30, 0));
if (!dev)
BUG(); // Config.lb error?
res = find_resource(dev, PCI_BASE_ADDRESS_0);
smp_write_ioapic(mc, IOAPIC_P64H2_2_BUS_A, P64H2_IOAPIC_VERSION, res->base);
// P64H2#2 Bus B IOAPIC
dev = dev_find_slot(PCI_BUS_E7501_HI_B, PCI_DEVFN(28, 0));
if (!dev)
BUG(); // Config.lb error?
res = find_resource(dev, PCI_BASE_ADDRESS_0);
smp_write_ioapic(mc, IOAPIC_P64H2_2_BUS_B, P64H2_IOAPIC_VERSION, res->base);
// P64H2#1 Bus A IOAPIC
dev = dev_find_slot(PCI_BUS_E7501_HI_D, PCI_DEVFN(30, 0));
if (!dev)
BUG(); // Config.lb error?
res = find_resource(dev, PCI_BASE_ADDRESS_0);
smp_write_ioapic(mc, IOAPIC_P64H2_1_BUS_A, P64H2_IOAPIC_VERSION, res->base);
// P64H2#1 Bus B IOAPIC
dev = dev_find_slot(PCI_BUS_E7501_HI_D, PCI_DEVFN(28, 0));
if (!dev)
BUG(); // Config.lb error?
res = find_resource(dev, PCI_BASE_ADDRESS_0);
smp_write_ioapic(mc, IOAPIC_P64H2_1_BUS_B, P64H2_IOAPIC_VERSION, res->base);
}
void xe7501devkit_register_interrupts(struct mp_config_table *mc)
{
// Chipset PCI bus
// Type Trigger | Polarity Bus ID IRQ APIC ID PIN#
smp_write_intsrc(mc, mp_ExtINT, MP_IRQ_TRIGGER_EDGE |MP_IRQ_POLARITY_HIGH, PCI_BUS_CHIPSET, 0, MP_APIC_ALL, 0);
smp_write_intsrc(mc, mp_NMI, MP_IRQ_TRIGGER_EDGE |MP_IRQ_POLARITY_HIGH, PCI_BUS_CHIPSET, 0, MP_APIC_ALL, 1);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_CHIPSET, PCI_IRQ(29, INT_A), IOAPIC_ICH3, 16); // USB 1.1 Controller #1
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_CHIPSET, PCI_IRQ(31, INT_B), IOAPIC_ICH3, 17); // SMBus
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_CHIPSET, PCI_IRQ(29, INT_C), IOAPIC_ICH3, 18); // USB 1.1 Controller #3
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_CHIPSET, PCI_IRQ(31, INT_C), IOAPIC_ICH3, 18); // IDE
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_CHIPSET, PCI_IRQ(29, INT_D), IOAPIC_ICH3, 19); // USB 1.1 Controller #2
// P64H2#2 Bus B
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_P64H2_2_B, PCI_IRQ(1, INT_A), IOAPIC_P64H2_2_BUS_B, 0); // Slot 2A (J23)
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_P64H2_2_B, PCI_IRQ(1, INT_B), IOAPIC_P64H2_2_BUS_B, 1); // Slot 2A (J23)
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_P64H2_2_B, PCI_IRQ(1, INT_C), IOAPIC_P64H2_2_BUS_B, 2); // Slot 2A (J23)
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_P64H2_2_B, PCI_IRQ(1, INT_D), IOAPIC_P64H2_2_BUS_B, 3); // Slot 2A (J23)
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_P64H2_2_B, PCI_IRQ(2, INT_A), IOAPIC_P64H2_2_BUS_B, 4); // Slot 2B (J24)
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_P64H2_2_B, PCI_IRQ(2, INT_B), IOAPIC_P64H2_2_BUS_B, 5); // Slot 2B (J24)
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_P64H2_2_B, PCI_IRQ(2, INT_C), IOAPIC_P64H2_2_BUS_B, 6); // Slot 2B (J24)
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_P64H2_2_B, PCI_IRQ(2, INT_D), IOAPIC_P64H2_2_BUS_B, 7); // Slot 2B (J24)
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_P64H2_2_B, PCI_IRQ(3, INT_A), IOAPIC_P64H2_2_BUS_B, 8); // Slot 2C (J25)
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_P64H2_2_B, PCI_IRQ(3, INT_B), IOAPIC_P64H2_2_BUS_B, 9); // Slot 2C (J25)
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_P64H2_2_B, PCI_IRQ(3, INT_C), IOAPIC_P64H2_2_BUS_B, 10); // Slot 2C (J25)
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_P64H2_2_B, PCI_IRQ(3, INT_D), IOAPIC_P64H2_2_BUS_B, 11); // Slot 2C (J25)
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_P64H2_2_B, PCI_IRQ(4, INT_A), IOAPIC_P64H2_2_BUS_B, 12); // Slot 2D (J12)
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_P64H2_2_B, PCI_IRQ(4, INT_B), IOAPIC_P64H2_2_BUS_B, 13); // Slot 2D (J12)
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_P64H2_2_B, PCI_IRQ(4, INT_C), IOAPIC_P64H2_2_BUS_B, 14); // Slot 2D (J12)
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_P64H2_2_B, PCI_IRQ(4, INT_D), IOAPIC_P64H2_2_BUS_B, 15); // Slot 2D (J12)
// P64H2#2 Bus A
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_P64H2_2_A, PCI_IRQ(1, INT_A), IOAPIC_P64H2_2_BUS_A, 0); // SCSI
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_P64H2_2_A, PCI_IRQ(1, INT_B), IOAPIC_P64H2_2_BUS_A, 1); // SCSI
// P64H2#1 Bus B
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_P64H2_1_B, PCI_IRQ(1, INT_A), IOAPIC_P64H2_1_BUS_B, 0); // GB Ethernet
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_P64H2_1_B, PCI_IRQ(2, INT_A), IOAPIC_P64H2_1_BUS_B, 4); // Slot 1B (J21)
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_P64H2_1_B, PCI_IRQ(2, INT_B), IOAPIC_P64H2_1_BUS_B, 5); // Slot 1B (J21)
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_P64H2_1_B, PCI_IRQ(2, INT_C), IOAPIC_P64H2_1_BUS_B, 6); // Slot 1B (J21)
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_P64H2_1_B, PCI_IRQ(2, INT_D), IOAPIC_P64H2_1_BUS_B, 7); // Slot 1B (J21)
// P64H2#1 Bus A
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_P64H2_1_A, PCI_IRQ(1, INT_A), IOAPIC_P64H2_1_BUS_A, 0); // Slot 1A (J20)
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_P64H2_1_A, PCI_IRQ(1, INT_B), IOAPIC_P64H2_1_BUS_A, 1); // Slot 1A (J20)
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_P64H2_1_A, PCI_IRQ(1, INT_C), IOAPIC_P64H2_1_BUS_A, 2); // Slot 1A (J20)
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_P64H2_1_A, PCI_IRQ(1, INT_D), IOAPIC_P64H2_1_BUS_A, 3); // Slot 1A (J20)
// ICH-3
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_ICH3, PCI_IRQ(0, INT_A), IOAPIC_ICH3, 16); // Video
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_ICH3, PCI_IRQ(2, INT_A), IOAPIC_ICH3, 18); // Debug slot (J11)
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_ICH3, PCI_IRQ(2, INT_B), IOAPIC_ICH3, 19); // Debug slot (J11)
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_ICH3, PCI_IRQ(2, INT_C), IOAPIC_ICH3, 16); // Debug slot (J11)
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_ICH3, PCI_IRQ(2, INT_D), IOAPIC_ICH3, 17); // Debug slot (J11)
// TODO: Not sure how to handle BT_INTR# signals from the P64H2s. Do we even need to, in APIC mode?
// Super I/O (ISA interrupts)
smp_write_intsrc(mc, mp_ExtINT, MP_IRQ_TRIGGER_EDGE |MP_IRQ_POLARITY_HIGH, SUPERIO_BUS, 0, IOAPIC_ICH3, 0);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE |MP_IRQ_POLARITY_HIGH, SUPERIO_BUS, 1, IOAPIC_ICH3, 1);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE |MP_IRQ_POLARITY_HIGH, SUPERIO_BUS, 0, IOAPIC_ICH3, 2);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE |MP_IRQ_POLARITY_HIGH, SUPERIO_BUS, 3, IOAPIC_ICH3, 3);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE |MP_IRQ_POLARITY_HIGH, SUPERIO_BUS, 4, IOAPIC_ICH3, 4);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE |MP_IRQ_POLARITY_HIGH, SUPERIO_BUS, 6, IOAPIC_ICH3, 6);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE |MP_IRQ_POLARITY_HIGH, SUPERIO_BUS, 8, IOAPIC_ICH3, 8);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE |MP_IRQ_POLARITY_HIGH, SUPERIO_BUS, 9, IOAPIC_ICH3, 9);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE |MP_IRQ_POLARITY_HIGH, SUPERIO_BUS, 12, IOAPIC_ICH3, 12);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE |MP_IRQ_POLARITY_HIGH, SUPERIO_BUS, 13, IOAPIC_ICH3, 13);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE |MP_IRQ_POLARITY_HIGH, SUPERIO_BUS, 14, IOAPIC_ICH3, 14);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE |MP_IRQ_POLARITY_HIGH, SUPERIO_BUS, 15, IOAPIC_ICH3, 15);
}
void* smp_write_config_table(void* v)
{
static const char sig[4] = MPC_SIGNATURE;
static const char oem[8] = "INTEL ";
static const char productid[12] = "XE7501DEVKIT";
struct mp_config_table *mc = (void *)(((char *)v) + SMP_FLOATING_TABLE_LEN);
memset(mc, 0, sizeof(*mc));
memcpy(mc->mpc_signature, sig, sizeof(sig));
memcpy(mc->mpc_oem, oem, sizeof(oem));
memcpy(mc->mpc_productid, productid, sizeof(productid));
mc->mpc_length = sizeof(*mc); // initially just the header
mc->mpc_spec = 0x04; // Multiprocessing Spec V1.4
mc->mpc_lapic = LAPIC_ADDR;
smp_write_processors(mc);
xe7501devkit_register_buses(mc);
xe7501devkit_register_ioapics(mc);
xe7501devkit_register_interrupts(mc);
/* 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);
}
|
