src/mainboard/roda/rk886ex/acpi_tables.c

   1 /*
   2  * This file is part of the coreboot project.
   3  *
   4  * Copyright (C) 2007-2009 coresystems GmbH
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License as
   8  * published by the Free Software Foundation; version 2 of
   9  * the License.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
  19  * MA 02110-1301 USA
  20  */
  21
  22 #include <string.h>
  23 #include <console/console.h>
  24 #include <arch/io.h>
  25 #include <arch/acpi.h>
  26 #include <arch/acpigen.h>
  27 #include <arch/smp/mpspec.h>
  28 #include <device/device.h>
  29 #include <device/pci.h>
  30 #include <device/pci_ids.h>
  31 #include "dmi.h"
  32
  33 extern const unsigned char AmlCode[];
  34 #if CONFIG_HAVE_ACPI_SLIC
  35 unsigned long acpi_create_slic(unsigned long current);
  36 #endif
  37
  38 #define OLD_ACPI 0
  39 #if OLD_ACPI
  40 static void acpi_create_gnvs(global_nvs_t *gnvs)
  41 {
  42         memset (gnvs, 0, sizeof(global_nvs_t));
  43
  44         gnvs->LIDS = 1;
  45         gnvs->PWRS = 1;
  46
  47         gnvs->ACTT = 0x37;
  48         gnvs->PSVT = 0x4f;
  49
  50         gnvs->TC1V = 0x00;
  51         gnvs->TC2V = 0x0a;
  52         gnvs->TSPV = 0x02;
  53
  54         gnvs->CRTT = 0x77;
  55
  56         gnvs->B0SC = 0x54;
  57         gnvs->APIC = 0x01;
  58         gnvs->MPEN = 0x01;
  59
  60         gnvs->PPCM = 0x02;
  61         gnvs->PCP0 = 0xbf;
  62         gnvs->PCP1 = 0xbf;
  63
  64         gnvs->CMAP = 0x01;
  65         gnvs->CMBP = 0x01;
  66         gnvs->LT0  = 0x01;
  67         gnvs->FDCP = 0x01;
  68         gnvs->CMCP = 0x01;
  69         gnvs->CMDP = 0x01;
  70         gnvs->P2M  = 0x02;
  71
  72         gnvs->IGDS = 0x01;
  73
  74         gnvs->CADL = 0x09;
  75         gnvs->PADL = 0x09;
  76
  77         gnvs->NDID = 3;
  78         gnvs->DID1 = 0x80000100;
  79         gnvs->DID2 = 0x80000240;
  80         gnvs->DID3 = 0x80000410;
  81         gnvs->DID4 = 0x80000410;
  82         gnvs->DID5 = 0x00000005;
  83
  84         gnvs->ALAF = 0x64;
  85         gnvs->LLOW = 0x2c;
  86         gnvs->LHIH = 0x01;
  87
  88         // tolud = pci_read_config32(dev_find_slot(0, PCI_DEVFN(2, 0)), 0x5c);
  89         // oemb->topm = tolud;
  90 }
  91 #endif
  92
  93 #include "southbridge/intel/i82801gx/i82801gx_nvs.h"
  94 static void acpi_create_gnvs(global_nvs_t *gnvs)
  95 {
  96         memset((void *)gnvs, 0, sizeof(*gnvs));
  97         gnvs->apic = 1;
  98         gnvs->mpen = 1; /* Enable Multi Processing */
  99
 100         /* Enable both COM ports */
 101         gnvs->cmap = 0x01;
 102         gnvs->cmbp = 0x01;
 103
 104         /* IGD Displays */
 105         gnvs->ndid = 3;
 106         gnvs->did[0] = 0x80000100;
 107         gnvs->did[1] = 0x80000240;
 108         gnvs->did[2] = 0x80000410;
 109         gnvs->did[3] = 0x80000410;
 110         gnvs->did[4] = 0x00000005;
 111 }
 112
 113 static void acpi_create_intel_hpet(acpi_hpet_t * hpet)
 114 {
 115 #define HPET_ADDR  0xfed00000ULL
 116         acpi_header_t *header = &(hpet->header);
 117         acpi_addr_t *addr = &(hpet->addr);
 118
 119         memset((void *) hpet, 0, sizeof(acpi_hpet_t));
 120
 121         /* fill out header fields */
 122         memcpy(header->signature, "HPET", 4);
 123         memcpy(header->oem_id, OEM_ID, 6);
 124         memcpy(header->oem_table_id, "COREBOOT", 8);
 125         memcpy(header->asl_compiler_id, ASLC, 4);
 126
 127         header->length = sizeof(acpi_hpet_t);
 128         header->revision = 1;
 129
 130         /* fill out HPET address */
 131         addr->space_id = 0;     /* Memory */
 132         addr->bit_width = 64;
 133         addr->bit_offset = 0;
 134         addr->addrl = HPET_ADDR & 0xffffffff;
 135         addr->addrh = HPET_ADDR >> 32;
 136
 137         hpet->id = 0x8086a201;  /* Intel */
 138         hpet->number = 0x00;
 139         hpet->min_tick = 0x0080;
 140
 141         header->checksum =
 142             acpi_checksum((void *) hpet, sizeof(acpi_hpet_t));
 143 }
 144
 145
 146
 147 #define IO_APIC_ADDR    0xfec00000UL
 148
 149 unsigned long acpi_fill_madt(unsigned long current)
 150 {
 151         /* Local APICs */
 152         current = acpi_create_madt_lapics(current);
 153
 154         /* IOAPIC */
 155         current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current,
 156                                 2, IO_APIC_ADDR, 0);
 157
 158         /* LAPIC_NMI */
 159         current += acpi_create_madt_lapic_nmi((acpi_madt_lapic_nmi_t *)
 160                                 current, 0,
 161                                 MP_IRQ_POLARITY_HIGH |
 162                                 MP_IRQ_TRIGGER_EDGE, 0x01);
 163         current += acpi_create_madt_lapic_nmi((acpi_madt_lapic_nmi_t *)
 164                                 current, 1, MP_IRQ_POLARITY_HIGH |
 165                                 MP_IRQ_TRIGGER_EDGE, 0x01);
 166
 167         /* INT_SRC_OVR */
 168         current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *)
 169                  current, 0, 0, 2, MP_IRQ_POLARITY_HIGH | MP_IRQ_TRIGGER_EDGE);
 170         current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *)
 171                  current, 0, 9, 9, MP_IRQ_POLARITY_HIGH | MP_IRQ_TRIGGER_LEVEL);
 172
 173
 174         return current;
 175 }
 176
 177 unsigned long acpi_fill_ssdt_generator(unsigned long current, const char *oem_table_id)
 178 {
 179         generate_cpu_entries();
 180         return (unsigned long) (acpigen_get_current());
 181 }
 182
 183 unsigned long acpi_fill_slit(unsigned long current)
 184 {
 185         // Not implemented
 186         return current;
 187 }
 188
 189 unsigned long acpi_fill_srat(unsigned long current)
 190 {
 191         /* No NUMA, no SRAT */
 192         return current;
 193 }
 194
 195 void smm_setup_structures(void *gnvs, void *tcg, void *smi1);
 196
 197 #define ALIGN_CURRENT current = ((current + 0x0f) & -0x10)
 198 unsigned long write_acpi_tables(unsigned long start)
 199 {
 200         unsigned long current;
 201         int i;
 202         acpi_rsdp_t *rsdp;
 203         acpi_rsdt_t *rsdt;
 204         acpi_xsdt_t *xsdt;
 205         acpi_hpet_t *hpet;
 206         acpi_madt_t *madt;
 207         acpi_mcfg_t *mcfg;
 208         acpi_fadt_t *fadt;
 209         acpi_facs_t *facs;
 210 #if CONFIG_HAVE_ACPI_SLIC
 211         acpi_header_t *slic;
 212 #endif
 213         acpi_header_t *ssdt;
 214         acpi_header_t *dsdt;
 215         void *gnvs;
 216
 217         current = start;
 218
 219         /* Align ACPI tables to 16byte */
 220         ALIGN_CURRENT;
 221
 222         printk(BIOS_INFO, "ACPI: Writing ACPI tables at %lx.\n", start);
 223
 224         /* We need at least an RSDP and an RSDT Table */
 225         rsdp = (acpi_rsdp_t *) current;
 226         current += sizeof(acpi_rsdp_t);
 227         ALIGN_CURRENT;
 228         rsdt = (acpi_rsdt_t *) current;
 229         current += sizeof(acpi_rsdt_t);
 230         ALIGN_CURRENT;
 231         xsdt = (acpi_xsdt_t *) current;
 232         current += sizeof(acpi_xsdt_t);
 233         ALIGN_CURRENT;
 234
 235         /* clear all table memory */
 236         memset((void *) start, 0, current - start);
 237
 238         acpi_write_rsdp(rsdp, rsdt, xsdt);
 239         acpi_write_rsdt(rsdt);
 240         acpi_write_xsdt(xsdt);
 241
 242         /*
 243          * We explicitly add these tables later on:
 244          */
 245         printk(BIOS_DEBUG, "ACPI:    * HPET\n");
 246
 247         hpet = (acpi_hpet_t *) current;
 248         current += sizeof(acpi_hpet_t);
 249         ALIGN_CURRENT;
 250         acpi_create_intel_hpet(hpet);
 251         acpi_add_table(rsdp, hpet);
 252
 253         /* If we want to use HPET Timers Linux wants an MADT */
 254         printk(BIOS_DEBUG, "ACPI:    * MADT\n");
 255
 256         madt = (acpi_madt_t *) current;
 257         acpi_create_madt(madt);
 258         current += madt->header.length;
 259         ALIGN_CURRENT;
 260         acpi_add_table(rsdp, madt);
 261
 262         printk(BIOS_DEBUG, "ACPI:    * MCFG\n");
 263         mcfg = (acpi_mcfg_t *) current;
 264         acpi_create_mcfg(mcfg);
 265         current += mcfg->header.length;
 266         ALIGN_CURRENT;
 267         acpi_add_table(rsdp, mcfg);
 268
 269         printk(BIOS_DEBUG, "ACPI:     * FACS\n");
 270         facs = (acpi_facs_t *) current;
 271         current += sizeof(acpi_facs_t);
 272         ALIGN_CURRENT;
 273         acpi_create_facs(facs);
 274
 275         dsdt = (acpi_header_t *) current;
 276         memcpy(dsdt, &AmlCode, sizeof(acpi_header_t));
 277         current += dsdt->length;
 278         memcpy(dsdt, &AmlCode, dsdt->length);
 279
 280         /* Fix up global NVS region for SMI handler. The GNVS region lives
 281          * in the (high) table area. The low memory map looks like this:
 282          *
 283          * 0x00000000 - 0x000003ff      Real Mode IVT
 284          * 0x00000020 - 0x0000019c      Low MP Table (XXX conflict?)
 285          * 0x00000400 - 0x000004ff      BDA (somewhat unused)
 286          * 0x00000500 - 0x0000052f      Moved GDT
 287          * 0x00000530 - 0x00000b64      coreboot table
 288          * 0x0007c000 - 0x0007dfff      OS boot sector (unused?)
 289          * 0x0007e000 - 0x0007ffff      free to use (so no good for acpi+smi)
 290          * 0x00080000 - 0x0009fbff      usable ram
 291          * 0x0009fc00 - 0x0009ffff      EBDA (unused?)
 292          * 0x000a0000 - 0x000bffff      VGA memory
 293          * 0x000c0000 - 0x000cffff      VGA option rom
 294          * 0x000d0000 - 0x000dffff      free for other option roms?
 295          * 0x000e0000 - 0x000fffff      SeaBIOS? (conflict with low tables:)
 296          * 0x000f0000 - 0x000f03ff      PIRQ table
 297          * 0x000f0400 - 0x000f66??      ACPI tables
 298          * 0x000f66?? - 0x000f????      DMI tables
 299          */
 300
 301         ALIGN_CURRENT;
 302
 303         /* Pack GNVS into the ACPI table area */
 304         for (i=0; i < dsdt->length; i++) {
 305                 if (*(u32*)(((u32)dsdt) + i) == 0xC0DEBABE) {
 306                         printk(BIOS_DEBUG, "ACPI: Patching up global NVS in DSDT at offset 0x%04x -> 0x%08x\n", i, (u32)current);
 307                         *(u32*)(((u32)dsdt) + i) = current; // 0x92 bytes
 308                         break;
 309                 }
 310         }
 311
 312         /* And fill it */
 313         acpi_create_gnvs((global_nvs_t *)current);
 314
 315         /* Keep pointer around */
 316         gnvs = (void *)current;
 317
 318         current += 0x100;
 319         ALIGN_CURRENT;
 320
 321         /* And tell SMI about it */
 322         smm_setup_structures(gnvs, NULL, NULL);
 323
 324         /* We patched up the DSDT, so we need to recalculate the checksum */
 325         dsdt->checksum = 0;
 326         dsdt->checksum = acpi_checksum((void *)dsdt, dsdt->length);
 327
 328         printk(BIOS_DEBUG, "ACPI:     * DSDT @ %p Length %x\n", dsdt,
 329                      dsdt->length);
 330
 331 #if CONFIG_HAVE_ACPI_SLIC
 332         printk(BIOS_DEBUG, "ACPI:     * SLIC\n");
 333         slic = (acpi_header_t *)current;
 334         current += acpi_create_slic(current);
 335         ALIGN_CURRENT;
 336         acpi_add_table(rsdp, slic);
 337 #endif
 338
 339         printk(BIOS_DEBUG, "ACPI:     * FADT\n");
 340         fadt = (acpi_fadt_t *) current;
 341         current += sizeof(acpi_fadt_t);
 342         ALIGN_CURRENT;
 343
 344         acpi_create_fadt(fadt, facs, dsdt);
 345         acpi_add_table(rsdp, fadt);
 346
 347         printk(BIOS_DEBUG, "ACPI:     * SSDT\n");
 348         ssdt = (acpi_header_t *)current;
 349         acpi_create_ssdt_generator(ssdt, "COREBOOT");
 350         current += ssdt->length;
 351         acpi_add_table(rsdp, ssdt);
 352         ALIGN_CURRENT;
 353
 354         printk(BIOS_DEBUG, "current = %lx\n", current);
 355
 356         printk(BIOS_DEBUG, "ACPI:     * DMI (Linux workaround)\n");
 357         memcpy((void *)0xfff80, dmi_table, DMI_TABLE_SIZE);
 358 #if CONFIG_WRITE_HIGH_TABLES == 1
 359         memcpy((void *)current, dmi_table, DMI_TABLE_SIZE);
 360         current += DMI_TABLE_SIZE;
 361         ALIGN_CURRENT;
 362 #endif
 363
 364         printk(BIOS_INFO, "ACPI: done.\n");
 365
 366         /* Enable Dummy DCC ON# for DVI */
 367         printk(BIOS_DEBUG, "Laptop handling...\n");
 368         outb(inb(0x60f) & ~(1 << 5), 0x60f);
 369
 370         return current;
 371 }