868649171d546a130ea61c8588aba46aefb1c475
[coreboot.git] / src / mainboard / amd / serengeti_cheetah_fam10 / acpi_tables.c
1 /*
2  * This file is part of the coreboot project.
3  *
4  * Copyright (C) 2007 Advanced Micro Devices, Inc.
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; version 2 of the License.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
18  */
19
20 #include <console/console.h>
21 #include <string.h>
22 #include <arch/acpi.h>
23 #include <device/pci.h>
24 #include <device/pci_ids.h>
25 #include <cpu/x86/msr.h>
26 #include <cpu/amd/mtrr.h>
27 #include <cpu/amd/amdfam10_sysconf.h>
28
29 #include "mb_sysconf.h"
30
31 #define DUMP_ACPI_TABLES 0
32
33 #if DUMP_ACPI_TABLES == 1
34 static void dump_mem(u32 start, u32 end)
35 {
36
37         u32 i;
38         print_debug("dump_mem:");
39         for(i=start;i<end;i++) {
40                 if((i & 0xf)==0) {
41                         printk(BIOS_DEBUG, "\n%08x:", i);
42                 }
43                 printk(BIOS_DEBUG, " %02x", (unsigned char)*((unsigned char *)i));
44         }
45         print_debug("\n");
46 }
47 #endif
48
49 extern const unsigned char AmlCode[];
50 extern const unsigned char AmlCode_ssdt[];
51
52 #if CONFIG_ACPI_SSDTX_NUM >= 1
53 extern const unsigned char AmlCode_ssdt2[];
54 extern const unsigned char AmlCode_ssdt3[];
55 extern const unsigned char AmlCode_ssdt4[];
56 extern const unsigned char AmlCode_ssdt5[];
57 #endif
58
59 #define IO_APIC_ADDR    0xfec00000UL
60
61 unsigned long acpi_fill_mcfg(unsigned long current)
62 {
63         /* Just a dummy */
64         return current;
65 }
66
67 unsigned long acpi_fill_madt(unsigned long current)
68 {
69         u32 gsi_base=0x18;
70
71         struct mb_sysconf_t *m;
72
73         m = sysconf.mb;
74
75         /* create all subtables for processors */
76         current = acpi_create_madt_lapics(current);
77
78         /* Write 8111 IOAPIC */
79         current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *)current, m->apicid_8111,
80                         IO_APIC_ADDR, 0);
81
82         /* Write all 8131 IOAPICs */
83         {
84                 device_t dev;
85                 struct resource *res;
86                 dev = dev_find_slot(m->bus_8132_0, PCI_DEVFN((sysconf.hcdn[0]&0xff), 1));
87                 if (dev) {
88                         res = find_resource(dev, PCI_BASE_ADDRESS_0);
89                         if (res) {
90                                 current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *)current, m->apicid_8132_1,
91                                         res->base, gsi_base );
92                                 gsi_base+=7;
93
94                         }
95                 }
96                 dev = dev_find_slot(m->bus_8132_0, PCI_DEVFN((sysconf.hcdn[0] & 0xff)+1, 1));
97                 if (dev) {
98                         res = find_resource(dev, PCI_BASE_ADDRESS_0);
99                         if (res) {
100                                 current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *)current, m->apicid_8132_2,
101                                         res->base, gsi_base );
102                                 gsi_base+=7;
103                         }
104                 }
105
106                 int i;
107                 int j = 0;
108
109                 for(i=1; i< sysconf.hc_possible_num; i++) {
110                         u32 d = 0;
111                         if(!(sysconf.pci1234[i] & 0x1) ) continue;
112                         // 8131 need to use +4
113                         switch (sysconf.hcid[i]) {
114                         case 1:
115                                 d = 7;
116                                 break;
117                         case 3:
118                                 d = 4;
119                                 break;
120                         }
121                         switch (sysconf.hcid[i]) {
122                         case 1:
123                         case 3:
124                                 dev = dev_find_slot(m->bus_8132a[j][0], PCI_DEVFN(m->sbdn3a[j], 1));
125                                 if (dev) {
126                                         res = find_resource(dev, PCI_BASE_ADDRESS_0);
127                                         if (res) {
128                                                 current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *)current, m->apicid_8132a[j][0],
129                                                         res->base, gsi_base );
130                                                 gsi_base+=d;
131                                         }
132                                 }
133                                 dev = dev_find_slot(m->bus_8132a[j][0], PCI_DEVFN(m->sbdn3a[j]+1, 1));
134                                 if (dev) {
135                                         res = find_resource(dev, PCI_BASE_ADDRESS_0);
136                                         if (res) {
137                                                 current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *)current, m->apicid_8132a[j][1],
138                                                         res->base, gsi_base );
139                                                 gsi_base+=d;
140
141                                         }
142                                 }
143                                 break;
144                         }
145                         j++;
146                 }
147         }
148
149         current += acpi_create_madt_irqoverride( (acpi_madt_irqoverride_t *) current, 0, 0, 2, 5 );
150                 /* 0: mean bus 0--->ISA */
151                 /* 0: PIC 0 */
152                 /* 2: APIC 2 */
153                 /* 5 mean: 0101 --> Edige-triggered, Active high*/
154
155
156                 /* create all subtables for processors */
157         current = acpi_create_madt_lapic_nmis(current, 5, 1);
158                 /* 1: LINT1 connect to NMI */
159
160         return current;
161 }
162
163 unsigned long write_acpi_tables(unsigned long start)
164 {
165         unsigned long current;
166         acpi_rsdp_t *rsdp;
167         acpi_rsdt_t *rsdt;
168         acpi_hpet_t *hpet;
169         acpi_madt_t *madt;
170         acpi_srat_t *srat;
171         acpi_slit_t *slit;
172         acpi_fadt_t *fadt;
173         acpi_facs_t *facs;
174         acpi_header_t *dsdt;
175         acpi_header_t *ssdt;
176         acpi_header_t *ssdtx;
177         void *p;
178
179         int i;
180
181         get_bus_conf(); //it will get sblk, pci1234, hcdn, and sbdn
182
183         /* Align ACPI tables to 16 bytes */
184         start = ( start + 0x0f) & -0x10;
185         current = start;
186
187         printk(BIOS_INFO, "ACPI: Writing ACPI tables at %lx...\n", start);
188
189         /* We need at least an RSDP and an RSDT Table */
190         rsdp = (acpi_rsdp_t *) current;
191         current += sizeof(acpi_rsdp_t);
192         rsdt = (acpi_rsdt_t *) current;
193         current += sizeof(acpi_rsdt_t);
194
195         /* clear all table memory */
196         memset((void *)start, 0, current - start);
197
198         acpi_write_rsdp(rsdp, rsdt, NULL);
199         acpi_write_rsdt(rsdt);
200
201         /*
202          * We explicitly add these tables later on:
203          */
204         current   = ( current + 0x07) & -0x08;
205         printk(BIOS_DEBUG, "ACPI:    * HPET at %lx\n", current);
206         hpet = (acpi_hpet_t *) current;
207         current += sizeof(acpi_hpet_t);
208         acpi_create_hpet(hpet);
209         acpi_add_table(rsdp, hpet);
210
211         /* If we want to use HPET Timers Linux wants an MADT */
212         current   = ( current + 0x07) & -0x08;
213         printk(BIOS_DEBUG, "ACPI:    * MADT at %lx\n", current);
214         madt = (acpi_madt_t *) current;
215         acpi_create_madt(madt);
216         current+=madt->header.length;
217         acpi_add_table(rsdp, madt);
218
219         /* SRAT */
220         current   = ( current + 0x07) & -0x08;
221         printk(BIOS_DEBUG, "ACPI:    * SRAT at %lx\n", current);
222         srat = (acpi_srat_t *) current;
223         acpi_create_srat(srat);
224         current+=srat->header.length;
225         acpi_add_table(rsdp, srat);
226
227         /* SLIT */
228         current   = ( current + 0x07) & -0x08;
229         printk(BIOS_DEBUG, "ACPI:   * SLIT at %lx\n", current);
230         slit = (acpi_slit_t *) current;
231         acpi_create_slit(slit);
232         current+=slit->header.length;
233         acpi_add_table(rsdp, slit);
234
235         /* SSDT */
236         current   = ( current + 0x0f) & -0x10;
237         printk(BIOS_DEBUG, "ACPI:    * SSDT at %lx\n", current);
238         ssdt = (acpi_header_t *)current;
239         memcpy(ssdt, &AmlCode_ssdt, sizeof(acpi_header_t));
240         current += ssdt->length;
241         memcpy(ssdt, &AmlCode_ssdt, ssdt->length);
242         //Here you need to set value in pci1234, sblk and sbdn in get_bus_conf.c
243         update_ssdt((void*)ssdt);
244         /* recalculate checksum */
245         ssdt->checksum = 0;
246         ssdt->checksum = acpi_checksum((unsigned char *)ssdt, ssdt->length);
247         acpi_add_table(rsdp, ssdt);
248
249         printk(BIOS_DEBUG, "ACPI:    * SSDT for PState at %lx\n", current);
250         current = acpi_add_ssdt_pstates(rsdp, current);
251
252 #if CONFIG_ACPI_SSDTX_NUM >= 1
253
254         /* same htio, but different possition? We may have to copy,
255         change HCIN, and recalculate the checknum and add_table */
256
257         for(i=1;i<sysconf.hc_possible_num;i++) {  // 0: is hc sblink
258                 if((sysconf.pci1234[i] & 1) != 1 ) continue;
259                 u8 c;
260                 if(i<7) {
261                         c  = (u8) ('4' + i - 1);
262                 }
263                 else {
264                         c  = (u8) ('A' + i - 1 - 6);
265                 }
266                 current = ( current + 0x07) & -0x08;
267                 printk(BIOS_DEBUG, "ACPI:    * SSDT for PCI%c at %lx\n", c, current); //pci0 and pci1 are in dsdt
268                 ssdtx = (acpi_header_t *)current;
269                 switch(sysconf.hcid[i]) {
270                 case 1:
271                         p = &AmlCode_ssdt2;
272                         break;
273                 case 2:
274                         p = &AmlCode_ssdt3;
275                         break;
276                 case 3: //8131
277                         p = &AmlCode_ssdt4;
278                         break;
279                 default:
280                         //HTX no io apic
281                         p = &AmlCode_ssdt5;
282                 }
283                 memcpy(ssdtx, p, sizeof(acpi_header_t));
284                 current += ssdtx->length;
285                 memcpy(ssdtx, p, ssdtx->length);
286                 update_ssdtx((void *)ssdtx, i);
287                 ssdtx->checksum = 0;
288                 ssdtx->checksum = acpi_checksum((u8 *)ssdtx, ssdtx->length);
289                 acpi_add_table(rsdp, ssdtx);
290         }
291 #endif
292
293         /* DSDT */
294         current   = ( current + 0x07) & -0x08;
295         printk(BIOS_DEBUG, "ACPI:    * DSDT at %lx\n", current);
296         dsdt = (acpi_header_t *)current;
297         memcpy(dsdt, &AmlCode, sizeof(acpi_header_t));
298         current += dsdt->length;
299         memcpy(dsdt, &AmlCode, dsdt->length);
300         printk(BIOS_DEBUG, "ACPI:    * DSDT @ %p Length %x\n", dsdt, dsdt->length);
301
302         /* FACS */ // it needs 64 bit alignment
303         current   = ( current + 0x07) & -0x08;
304         printk(BIOS_DEBUG, "ACPI:       * FACS at %lx\n", current);
305         facs = (acpi_facs_t *) current;
306         current += sizeof(acpi_facs_t);
307         acpi_create_facs(facs);
308
309         /* FDAT */
310         current   = ( current + 0x07) & -0x08;
311         printk(BIOS_DEBUG, "ACPI:    * FADT at %lx\n", current);
312         fadt = (acpi_fadt_t *) current;
313         current += sizeof(acpi_fadt_t);
314
315         acpi_create_fadt(fadt, facs, dsdt);
316         acpi_add_table(rsdp, fadt);
317
318 #if DUMP_ACPI_TABLES == 1
319         printk(BIOS_DEBUG, "rsdp\n");
320         dump_mem(rsdp, ((void *)rsdp) + sizeof(acpi_rsdp_t));
321
322         printk(BIOS_DEBUG, "rsdt\n");
323         dump_mem(rsdt, ((void *)rsdt) + sizeof(acpi_rsdt_t));
324
325         printk(BIOS_DEBUG, "madt\n");
326         dump_mem(madt, ((void *)madt) + madt->header.length);
327
328         printk(BIOS_DEBUG, "srat\n");
329         dump_mem(srat, ((void *)srat) + srat->header.length);
330
331         printk(BIOS_DEBUG, "slit\n");
332         dump_mem(slit, ((void *)slit) + slit->header.length);
333
334         printk(BIOS_DEBUG, "ssdt\n");
335         dump_mem(ssdt, ((void *)ssdt) + ssdt->length);
336
337         printk(BIOS_DEBUG, "fadt\n");
338         dump_mem(fadt, ((void *)fadt) + fadt->header.length);
339 #endif
340
341         printk(BIOS_INFO, "ACPI: done.\n");
342         return current;
343 }
344