525a959fadb9bf21e058fa1074c1bcc0065b6194
[coreboot.git] / src / mainboard / tyan / s2895 / acpi_tables.c
1 /*
2  * Island Aruma ACPI support
3  * written by Stefan Reinauer <stepan@openbios.org>
4  *  (C) 2005 Stefan Reinauer
5  *
6  *
7  *  Copyright 2005 AMD
8  *  2005.9 yhlu modify that to more dynamic for AMD Opteron Based MB
9  */
10
11 #include <console/console.h>
12 #include <string.h>
13 #include <arch/acpi.h>
14 #include <arch/smp/mpspec.h>
15 #include <device/pci.h>
16 #include <device/pci_ids.h>
17 #include <cpu/x86/msr.h>
18 #include <cpu/amd/mtrr.h>
19 #include <cpu/amd/amdk8_sysconf.h>
20 #include <../../../northbridge/amd/amdk8/amdk8_acpi.h>
21 #include <cpu/amd/model_fxx_powernow.h>
22
23 extern unsigned char AmlCode[];
24
25 unsigned long acpi_fill_mcfg(unsigned long current)
26 {
27         return current;
28 }
29
30 /* APIC */
31 unsigned long acpi_fill_madt(unsigned long current)
32 {
33         unsigned long apic_addr;
34         device_t dev;
35
36         /* create all subtables for processors */
37         current = acpi_create_madt_lapics(current);
38
39         /* Write NVIDIA CK804 IOAPIC. */
40         dev = dev_find_slot(0x0, PCI_DEVFN(0x1,0));
41         if (dev) {
42                 apic_addr = pci_read_config32(dev, PCI_BASE_ADDRESS_1) & ~0xf;
43                 current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current, 4,
44                                                    apic_addr, 0);
45                 /* Initialize interrupt mapping if mptable.c didn't. */
46                 #if (!CONFIG_GENERATE_MP_TABLE)
47                 {
48                         u32 dword;
49                         dword = 0x0120d218;
50                         pci_write_config32(dev, 0x7c, dword);
51
52                         dword = 0x12008a00;
53                         pci_write_config32(dev, 0x80, dword);
54
55                         dword = 0x00080d7d;
56                         pci_write_config32(dev, 0x84, dword);
57                 }
58                 #endif
59         }
60
61         /* Write AMD 8131 two IOAPICs. */
62         dev = dev_find_slot(0x40, PCI_DEVFN(0x0,1));
63         if (dev) {
64                 apic_addr = pci_read_config32(dev, PCI_BASE_ADDRESS_0) & ~0xf;
65                 current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current, 5,
66                                                    apic_addr, 0x18);
67         }
68
69         dev = dev_find_slot(0x40, PCI_DEVFN(0x1, 1));
70         if (dev) {
71                 apic_addr = pci_read_config32(dev, PCI_BASE_ADDRESS_0) & ~0xf;
72                 current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current, 6,
73                                                    apic_addr, 0x1C);
74         }
75
76         /* Write second NVIDIA CK804 IOAPIC. */
77         dev = dev_find_slot(0x80, PCI_DEVFN(0x1, 0));
78         if (dev) {
79                 apic_addr = pci_read_config32(dev, PCI_BASE_ADDRESS_1) & ~0xf;
80                 current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current, 7,
81                                                    apic_addr, 0x20);
82                 /* Initialize interrupt mapping if mptable.c didn't. */
83                 #if (!CONFIG_GENERATE_MP_TABLE)
84                 {
85                         u32 dword;
86                         dword = 0x0000d218; // Why does the factory BIOS have 0?
87                         pci_write_config32(dev, 0x7c, dword);
88
89                         dword = 0x00000000;
90                         pci_write_config32(dev, 0x80, dword);
91
92                         dword = 0x00000d00; // Same here.
93                         pci_write_config32(dev, 0x84, dword);
94                 }
95                 #endif
96         }
97
98         /* IRQ9 */
99         current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *)
100                 current, 0, 9, 9, MP_IRQ_TRIGGER_EDGE | MP_IRQ_POLARITY_LOW);
101
102         /* IRQ0 -> APIC IRQ2. */
103         /* Doesn't work on this board. */
104
105         /* 0: mean bus 0--->ISA */
106         /* 0: PIC 0 */
107         /* 2: APIC 2 */
108         /* 5 mean: 0101 --> Edge-triggered, Active high */
109
110         /* create all subtables for processors */
111         /* acpi_create_madt_lapic_nmis returns current, not size. */
112         current = acpi_create_madt_lapic_nmis(current, 5, 1);
113
114         return current;
115 }
116
117 unsigned long acpi_fill_ssdt_generator(unsigned long current, const char *oem_table_id) {
118         k8acpi_write_vars();
119         amd_model_fxx_generate_powernow(0, 0, 0);
120         return (unsigned long) (acpigen_get_current());
121 }
122
123 unsigned long write_acpi_tables(unsigned long start)
124 {
125         unsigned long current;
126         acpi_rsdp_t *rsdp;
127         acpi_srat_t *srat;
128         acpi_rsdt_t *rsdt;
129         acpi_hpet_t *hpet;
130         acpi_madt_t *madt;
131         acpi_fadt_t *fadt;
132         acpi_facs_t *facs;
133         acpi_slit_t *slit;
134         acpi_header_t *ssdt;
135         acpi_header_t *dsdt;
136
137         /* Align ACPI tables to 16 byte. */
138         start = (start + 0x0f) & -0x10;
139         current = start;
140
141         printk_info("ACPI: Writing ACPI tables at %lx.\n", start);
142
143         /* We need at least an RSDP and an RSDT Table */
144         rsdp = (acpi_rsdp_t *) current;
145         current += sizeof(acpi_rsdp_t);
146
147         current = ALIGN(current, 16);
148         rsdt = (acpi_rsdt_t *) current;
149         current += sizeof(acpi_rsdt_t);
150
151         /* Clear all table memory. */
152         memset((void *) start, 0, current - start);
153
154         acpi_write_rsdp(rsdp, rsdt, NULL);
155         acpi_write_rsdt(rsdt);
156
157         current = ALIGN(current, 64);
158         facs = (acpi_facs_t *) current;
159         printk_debug("ACPI:    * FACS %p\n", facs);
160         current += sizeof(acpi_facs_t);
161         acpi_create_facs(facs);
162
163         /* DSDT */
164         current = ALIGN(current, 16);
165         dsdt = (acpi_header_t *) current;
166         printk_debug("ACPI:    * DSDT %p\n", dsdt);
167         current += ((acpi_header_t *) AmlCode)->length;
168         memcpy((void*) dsdt, (void*)AmlCode, ((acpi_header_t*)AmlCode)->length);
169         printk_debug("ACPI:    * DSDT @ %p Length %x\n",dsdt,dsdt->length);
170
171         current = ALIGN(current, 16);
172         fadt = (acpi_fadt_t *) current;
173         printk_debug("ACPI:    * FACP (FADT) @ %p\n", fadt);
174         current += sizeof(acpi_fadt_t);
175
176         /* Add FADT now that we have facs and dsdt. */
177         acpi_create_fadt(fadt, facs, dsdt);
178         acpi_add_table(rsdp, fadt);
179
180         current = ALIGN(current, 16);
181         hpet = (acpi_hpet_t *) current;
182         printk_debug("ACPI:    * HPET @ %p\n", hpet);
183         current += sizeof(acpi_hpet_t);
184         acpi_create_hpet(hpet);
185         acpi_add_table(rsdp, hpet);
186
187         current = ALIGN(current, 16);
188         madt = (acpi_madt_t *) current;
189         printk_debug("ACPI:    * APIC/MADT @ %p\n", madt);
190         acpi_create_madt(madt);
191         current += madt->header.length;
192         acpi_add_table(rsdp, madt);
193
194         current = ALIGN(current, 16);
195         srat = (acpi_srat_t *) current;
196         printk_debug("ACPI:    * SRAT @ %p\n", srat);
197         acpi_create_srat(srat);
198         current += srat->header.length;
199         acpi_add_table(rsdp, srat);
200
201         /* SLIT */
202         current = ALIGN(current, 16);
203         slit = (acpi_slit_t *) current;
204         printk_debug("ACPI:    * SLIT @ %p\n", slit);
205         acpi_create_slit(slit);
206         current+=slit->header.length;
207         acpi_add_table(rsdp,slit);
208
209         /* SSDT */
210         current = ALIGN(current, 16);
211         ssdt = (acpi_header_t *)current;
212         printk_debug("ACPI:    * SSDT @ %p\n", ssdt);
213         acpi_create_ssdt_generator(ssdt, "DYNADATA");
214         current += ssdt->length;
215         acpi_add_table(rsdp, ssdt);
216
217         printk_info("ACPI: done %p.\n", (void *)current);
218         return current;
219 }