/*
* This file is part of the coreboot project.
*
- * Copyright (C) 2010 Advanced Micro Devices, Inc.
+ * Copyright (C) 2010-2011 Advanced Micro Devices, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
#include <console/console.h>
#include <string.h>
#include <arch/acpi.h>
+#include <arch/acpigen.h>
#include <arch/ioapic.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <cpu/x86/msr.h>
#include <cpu/amd/mtrr.h>
#include <cpu/amd/amdfam10_sysconf.h>
-
#include "mb_sysconf.h"
#define DUMP_ACPI_TABLES 0
extern const unsigned char AmlCode[];
extern const unsigned char AmlCode_ssdt[];
-#if CONFIG_ACPI_SSDTX_NUM >= 1
-extern const unsigned char AmlCode_ssdt2[];
-extern const unsigned char AmlCode_ssdt3[];
-extern const unsigned char AmlCode_ssdt4[];
-extern const unsigned char AmlCode_ssdt5[];
-#endif
+unsigned long acpi_fill_ssdt_generator(unsigned long current, const char *oem_table_id)
+{
+ int lens;
+ msr_t msr;
+ char pscope[] = "\\_SB.PCI0";
+
+ lens = acpigen_write_scope(pscope);
+ msr = rdmsr(TOP_MEM);
+ lens += acpigen_write_name_dword("TOM1", msr.lo);
+ msr = rdmsr(TOP_MEM2);
+ /*
+ * Since XP only implements parts of ACPI 2.0, we can't use a qword
+ * here.
+ * See http://www.acpi.info/presentations/S01USMOBS169_OS%2520new.ppt
+ * slide 22ff.
+ * Shift value right by 20 bit to make it fit into 32bit,
+ * giving us 1MB granularity and a limit of almost 4Exabyte of memory.
+ */
+ lens += acpigen_write_name_dword("TOM2", (msr.hi << 12) | msr.lo >> 20);
+ acpigen_patch_len(lens - 1);
+
+ /* TODO: More HT and other tables need to go into this table generation.
+ * This should also be moved out to the silicon level if it can.
+ */
+
+ return (unsigned long) (acpigen_get_current());
+}
unsigned long acpi_fill_mcfg(unsigned long current)
{
current = acpi_create_madt_lapics(current);
/* Write SB700 IOAPIC, only one */
- current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current, 2,
- IO_APIC_ADDR, 0);
+ current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current,
+ CONFIG_MAX_CPUS, IO_APIC_ADDR, 0);
current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *)
current, 0, 0, 2, 0);
acpi_facs_t *facs;
acpi_header_t *dsdt;
acpi_header_t *ssdt;
-#if CONFIG_ACPI_SSDTX_NUM >= 1
- acpi_header_t *ssdtx;
- void *p;
- int i;
-#endif
get_bus_conf(); /* it will get sblk, pci1234, hcdn, and sbdn */
acpi_write_rsdp(rsdp, rsdt, NULL);
acpi_write_rsdt(rsdt);
+ /* DSDT */
+ current = ( current + 0x07) & -0x08;
+ printk(BIOS_DEBUG, "ACPI: * DSDT at %lx\n", current);
+ dsdt = (acpi_header_t *)current; // it will used by fadt
+ memcpy(dsdt, &AmlCode, sizeof(acpi_header_t));
+ current += dsdt->length;
+ memcpy(dsdt, &AmlCode, dsdt->length);
+ printk(BIOS_DEBUG, "ACPI: * DSDT @ %p Length %x\n",dsdt,dsdt->length);
+
+ /* FACS */ // it needs 64 bit alignment
+ current = ( current + 0x07) & -0x08;
+ printk(BIOS_DEBUG, "ACPI: * FACS at %lx\n", current);
+ facs = (acpi_facs_t *) current; // it will be used by fadt
+ current += sizeof(acpi_facs_t);
+ acpi_create_facs(facs);
+
+ /* FADT */
+ current = ( current + 0x07) & -0x08;
+ printk(BIOS_DEBUG, "ACPI: * FADT at %lx\n", current);
+ fadt = (acpi_fadt_t *) current;
+ current += sizeof(acpi_fadt_t);
+
+ acpi_create_fadt(fadt, facs, dsdt);
+ acpi_add_table(rsdp, fadt);
+
/*
* We explicitly add these tables later on:
*/
acpi_add_table(rsdp, slit);
/* SSDT */
- current = ( current + 0x0f) & -0x10;
- printk(BIOS_DEBUG, "ACPI: * SSDT at %lx\n", current);
- ssdt = (acpi_header_t *)current;
- memcpy(ssdt, &AmlCode_ssdt, sizeof(acpi_header_t));
+ current = ( current + 0x0f) & -0x10;
+ printk(BIOS_DEBUG, "ACPI: * coreboot PSTATE/TOM SSDT at %lx\n", current);
+ ssdt = (acpi_header_t *) current;
+ acpi_create_ssdt_generator(ssdt, ACPI_TABLE_CREATOR);
current += ssdt->length;
- memcpy(ssdt, &AmlCode_ssdt, ssdt->length);
- //Here you need to set value in pci1234, sblk and sbdn in get_bus_conf.c
- update_ssdt((void*)ssdt);
- /* recalculate checksum */
- ssdt->checksum = 0;
- ssdt->checksum = acpi_checksum((unsigned char *)ssdt,ssdt->length);
acpi_add_table(rsdp,ssdt);
- printk(BIOS_DEBUG, "ACPI: * SSDT for PState at %lx\n", current);
- current = acpi_add_ssdt_pstates(rsdp, current);
-
-#if CONFIG_ACPI_SSDTX_NUM >= 1
-
- /* same htio, but different position? We may have to copy,
- change HCIN, and recalculate the checknum and add_table */
-
- for(i=1;i<sysconf.hc_possible_num;i++) { // 0: is hc sblink
- if((sysconf.pci1234[i] & 1) != 1 ) continue;
- u8 c;
- if (i < 7) {
- c = (u8) ('4' + i - 1);
- } else {
- c = (u8) ('A' + i - 1 - 6);
- }
- current = ( current + 0x07) & -0x08;
- printk(BIOS_DEBUG, "ACPI: * SSDT for PCI%c at %lx\n", c, current); //pci0 and pci1 are in dsdt
- ssdtx = (acpi_header_t *)current;
- switch (sysconf.hcid[i]) {
- case 1:
- p = &AmlCode_ssdt2;
- break;
- case 2:
- p = &AmlCode_ssdt3;
- break;
- case 3: /* 8131 */
- p = &AmlCode_ssdt4;
- break;
- default:
- /* HTX no io apic */
- p = &AmlCode_ssdt5;
- break;
- }
- memcpy(ssdtx, p, sizeof(acpi_header_t));
- current += ssdtx->length;
- memcpy(ssdtx, p, ssdtx->length);
- update_ssdtx((void *)ssdtx, i);
- ssdtx->checksum = 0;
- ssdtx->checksum = acpi_checksum((u8 *)ssdtx, ssdtx->length);
- acpi_add_table(rsdp, ssdtx);
- }
-#endif
-
- /* DSDT */
- current = ( current + 0x07) & -0x08;
- printk(BIOS_DEBUG, "ACPI: * DSDT at %lx\n", current);
- dsdt = (acpi_header_t *)current; // it will used by fadt
- memcpy(dsdt, &AmlCode, sizeof(acpi_header_t));
- current += dsdt->length;
- memcpy(dsdt, &AmlCode, dsdt->length);
- printk(BIOS_DEBUG, "ACPI: * DSDT @ %p Length %x\n",dsdt,dsdt->length);
-
- /* FACS */ // it needs 64 bit alignment
- current = ( current + 0x07) & -0x08;
- printk(BIOS_DEBUG, "ACPI: * FACS at %lx\n", current);
- facs = (acpi_facs_t *) current; // it will be used by fadt
- current += sizeof(acpi_facs_t);
- acpi_create_facs(facs);
-
- /* FADT */
- current = ( current + 0x07) & -0x08;
- printk(BIOS_DEBUG, "ACPI: * FADT at %lx\n", current);
- fadt = (acpi_fadt_t *) current;
- current += sizeof(acpi_fadt_t);
-
- acpi_create_fadt(fadt, facs, dsdt);
- acpi_add_table(rsdp, fadt);
#if DUMP_ACPI_TABLES == 1
printk(BIOS_DEBUG, "rsdp\n");
projects / coreboot.git / blobdiff