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
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
|
#include <console/console.h>
#include <arch/smp/mpspec.h>
#include <arch/ioapic.h>
#include <device/pci.h>
#include <string.h>
#include <stdint.h>
#include <cpu/x86/lapic.h>
#include <arch/cpu.h>
#include <arch/io.h>
#define HT_INIT_CONTROL 0x6c
#define HTIC_BIOSR_Detect (1<<5)
/* If we assume a symmetric processor configuration we can
* get all of the information we need to write the processor
* entry from the bootstrap processor.
* Plus I don't think linux really even cares.
* Having the proper apicid's in the table so the non-bootstrap
* processors can be woken up should be enough. Linux-2.6.11 work-around.
*/
static void smp_write_processors_inorder(struct mp_config_table *mc)
{
int boot_apic_id;
int order_id;
unsigned apic_version;
unsigned cpu_features;
unsigned cpu_feature_flags;
struct cpuid_result result;
device_t cpu;
boot_apic_id = lapicid();
apic_version = lapic_read(LAPIC_LVR) & 0xff;
result = cpuid(1);
cpu_features = result.eax;
cpu_feature_flags = result.edx;
/* order the output of the cpus to fix a bug in kernel 6 11 */
for(order_id = 0;order_id <256; order_id++) {
for(cpu = all_devices; cpu; cpu = cpu->next) {
unsigned long cpu_flag;
if ((cpu->path.type != DEVICE_PATH_APIC) ||
(cpu->bus->dev->path.type != DEVICE_PATH_APIC_CLUSTER))
{
continue;
}
if (!cpu->enabled) {
continue;
}
cpu_flag = MPC_CPU_ENABLED;
if (boot_apic_id == cpu->path.apic.apic_id) {
cpu_flag = MPC_CPU_ENABLED | MPC_CPU_BOOTPROCESSOR;
}
if(cpu->path.apic.apic_id == order_id) {
smp_write_processor(mc,
cpu->path.apic.apic_id, apic_version,
cpu_flag, cpu_features, cpu_feature_flags);
break;
}
}
}
}
static unsigned node_link_to_bus(unsigned node, unsigned link)
{
device_t dev;
unsigned reg;
dev = dev_find_slot(0, PCI_DEVFN(0x18, 1));
if (!dev) {
return 0xff;
}
for(reg = 0xE0; reg < 0xF0; reg += 0x04) {
uint32_t config_map;
unsigned dst_node;
unsigned dst_link;
unsigned bus_base;
config_map = pci_read_config32(dev, reg);
if ((config_map & 3) != 3) {
continue;
}
dst_node = (config_map >> 4) & 7;
dst_link = (config_map >> 8) & 3;
bus_base = (config_map >> 16) & 0xff;
#if 0
printk(BIOS_DEBUG, "node.link=bus: %d.%d=%d 0x%2x->0x%08x\n",
dst_node, dst_link, bus_base,
reg, config_map);
#endif
if ((dst_node == node) && (dst_link == link))
{
return bus_base;
}
}
return 0xff;
}
static unsigned max_apicid(void)
{
unsigned max;
device_t dev;
max = 0;
for(dev = all_devices; dev; dev = dev->next) {
if (dev->path.type != DEVICE_PATH_APIC)
continue;
if (dev->path.apic.apic_id > max) {
max = dev->path.apic.apic_id;
}
}
return max;
}
static void *smp_write_config_table(void *v)
{
struct mp_config_table *mc;
int bus_isa;
unsigned char bus_chain_0;
unsigned char bus_8131_1;
unsigned char bus_8131_2;
unsigned char bus_8111_1;
unsigned apicid_base;
unsigned apicid_8111;
unsigned apicid_8131_1;
unsigned apicid_8131_2;
mc = (void *)(((char *)v) + SMP_FLOATING_TABLE_LEN);
mptable_init(mc, LAPIC_ADDR);
smp_write_processors_inorder(mc);
apicid_base = max_apicid() + 1;
apicid_8111 = apicid_base;
apicid_8131_1 = apicid_base + 1;
apicid_8131_2 = apicid_base + 2;
{
device_t dev;
/* HT chain 0 */
bus_chain_0 = node_link_to_bus(0, 0);
if (bus_chain_0 == 0xff) {
printk(BIOS_DEBUG, "ERROR - cound not find bus for node 0 chain 0, using defaults\n");
bus_chain_0 = 0;
}
/* 8111 */
dev = dev_find_slot(bus_chain_0, PCI_DEVFN(0x03,0));
if (dev) {
bus_8111_1 = pci_read_config8(dev, PCI_SECONDARY_BUS);
}
else {
printk(BIOS_DEBUG, "ERROR - could not find PCI %02x:03.0, using defaults\n", bus_chain_0);
bus_8111_1 = 4;
}
/* 8131-1 */
dev = dev_find_slot(bus_chain_0, PCI_DEVFN(0x01,0));
if (dev) {
bus_8131_1 = pci_read_config8(dev, PCI_SECONDARY_BUS);
}
else {
printk(BIOS_DEBUG, "ERROR - could not find PCI %02x:01.0, using defaults\n", bus_chain_0);
bus_8131_1 = 2;
}
/* 8131-2 */
dev = dev_find_slot(bus_chain_0, PCI_DEVFN(0x02,0));
if (dev) {
bus_8131_2 = pci_read_config8(dev, PCI_SECONDARY_BUS);
}
else {
printk(BIOS_DEBUG, "ERROR - could not find PCI %02x:02.0, using defaults\n", bus_chain_0);
bus_8131_2 = 3;
}
}
mptable_write_buses(mc, NULL, &bus_isa);
/* IOAPIC handling */
smp_write_ioapic(mc, apicid_8111, 0x11, IO_APIC_ADDR);
{
device_t dev;
struct resource *res;
/* 8131 apic 3 */
dev = dev_find_slot(bus_chain_0, PCI_DEVFN(0x01,1));
if (dev) {
res = find_resource(dev, PCI_BASE_ADDRESS_0);
if (res) {
smp_write_ioapic(mc, apicid_8131_1, 0x11, res->base);
}
}
/* 8131 apic 4 */
dev = dev_find_slot(bus_chain_0, PCI_DEVFN(0x02,1));
if (dev) {
res = find_resource(dev, PCI_BASE_ADDRESS_0);
if (res) {
smp_write_ioapic(mc, apicid_8131_2, 0x11, res->base);
}
}
}
mptable_add_isa_interrupts(mc, bus_isa, apicid_8111, 0);
/* Standard local interrupt assignments */
mptable_lintsrc(mc, bus_isa);
/* PCI Ints: Type Trigger Polarity Bus ID PCIDEVNUM|IRQ APIC ID PIN# */
/* On board nics */
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_1, (0x03<<2)|0, apicid_8111, 0x13);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_1, (0x04<<2)|0, apicid_8111, 0x13);
/* On board SATA */
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_1, (0x05<<2)|0, apicid_8111, 0x11);
/* PCI Slot 1 */
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_2, (0x01<<2)|0, apicid_8111, 0x11);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_2, (0x01<<2)|1, apicid_8111, 0x12);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_2, (0x01<<2)|2, apicid_8111, 0x13);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_2, (0x01<<2)|3, apicid_8111, 0x10);
/* PCI Slot 2 */
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_2, (0x02<<2)|0, apicid_8111, 0x12);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_2, (0x02<<2)|1, apicid_8111, 0x13);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_2, (0x02<<2)|2, apicid_8111, 0x10);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_2, (0x02<<2)|3, apicid_8111, 0x11);
/* PCI Slot 3 */
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_1, (0x01<<2)|0, apicid_8111, 0x11);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_1, (0x01<<2)|1, apicid_8111, 0x12);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_1, (0x01<<2)|2, apicid_8111, 0x13);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_1, (0x01<<2)|3, apicid_8111, 0x10);
/* PCI Slot 4 */
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_1, (0x02<<2)|0, apicid_8111, 0x12);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_1, (0x02<<2)|1, apicid_8111, 0x13);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_1, (0x02<<2)|2, apicid_8111, 0x10);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8131_1, (0x02<<2)|3, apicid_8111, 0x11);
/* PCI Slot 5 */
// FIXME get the irqs right, it's just hacked to work for now
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8111_1, (0x05<<2)|0, apicid_8111, 0x11);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8111_1, (0x05<<2)|1, apicid_8111, 0x12);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8111_1, (0x05<<2)|2, apicid_8111, 0x13);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8111_1, (0x05<<2)|3, apicid_8111, 0x10);
/* PCI Slot 6 */
// FIXME get the irqs right, it's just hacked to work for now
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8111_1, (0x04<<2)|0, apicid_8111, 0x10);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8111_1, (0x04<<2)|1, apicid_8111, 0x11);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8111_1, (0x04<<2)|2, apicid_8111, 0x12);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT, bus_8111_1, (0x04<<2)|3, apicid_8111, 0x13);
/* There is no extension information... */
/* Compute the checksums */
return mptable_finalize(mc);
}
static void reboot_if_hotswap(void)
{
/* Hack patch work around for hot swap enable 33mhz problem */
device_t dev;
uint32_t data;
unsigned long htic;
int reset;
unsigned bus_chain_0 = node_link_to_bus(0, 0);
reset = 0;
printk(BIOS_DEBUG, "Looking for bad PCIX MHz input\n");
dev = dev_find_slot(bus_chain_0, PCI_DEVFN(0x02,0));
if (!dev)
printk(BIOS_DEBUG, "Couldn't find %02x:02.0 \n", bus_chain_0);
else {
data = pci_read_config32(dev, 0xa0);
if(!(((data>>16)&0x03)==0x03)) {
reset=1;
printk(BIOS_DEBUG, "Bad PCIX MHz - Reset\n");
}
}
printk(BIOS_DEBUG, "Looking for bad Hot Swap Enable\n");
dev = dev_find_slot(bus_chain_0, PCI_DEVFN(0x01,0));
if (!dev)
printk(BIOS_DEBUG, "Couldn't find %02x:01.0 \n", bus_chain_0);
else {
data = pci_read_config32(dev, 0x48);
if(data & 0x0c) {
reset=1;
printk(BIOS_DEBUG, "Bad Hot Swap start - Reset\n");
}
}
if(reset) {
/* enable cf9 */
dev = dev_find_slot(node_link_to_bus(0, 0), PCI_DEVFN(0x04,3));
pci_write_config8(dev, 0x41, 0xf1);
/* reset */
dev = dev_find_slot(0, PCI_DEVFN(0x18,0));
htic = pci_read_config32(dev, HT_INIT_CONTROL);
htic &= ~HTIC_BIOSR_Detect;
pci_write_config32(dev, HT_INIT_CONTROL, htic);
outb(0x0e, 0x0cf9);
}
else {
printk(BIOS_DEBUG, "OK 133MHz & Hot Swap is off\n");
}
}
unsigned long write_smp_table(unsigned long addr)
{
void *v;
reboot_if_hotswap();
v = smp_write_floating_table(addr, 0);
return (unsigned long)smp_write_config_table(v);
}
|
