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- make acpi usable for more than one motherboard.

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- make pirq normal debug a little bit nicer


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1886 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Stefan Reinauer
2005-01-19 14:06:41 +00:00
parent 26b2922f1c
commit 777224c7cf
3 changed files with 72 additions and 143 deletions
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169
src/arch/i386/boot/acpi.c
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@@ -1,38 +1,27 @@
/*
* LinuxBIOS ACPI Table support
* written by Stefan Reinauer <stepan@openbios.org>
* (C) 2004 SUSE LINUX AG
*/
/* ACPI FADT, FACS, and DSDT table support added by
* (C) 2004 SUSE LINUX AG
* (C) 2005 Stefan Reinauer
*
* ACPI FADT, FACS, and DSDT table support added by
* Nick Barker <nick.barker9@btinternet.com>, and those portions
* (C) Copyright 2004 Nick Barker
* (C) Copyright 2004 Nick Barker
*/
/*
* Each system port implementing ACPI has to provide two functions:
*
* write_acpi_tables()
* acpi_dump_apics()
*
* See Solo or Epia port on more details.
*/
#include <console/console.h>
#include <string.h>
#include <arch/acpi.h>
#define RSDP_SIG "RSD PTR " /* RSDT Pointer signature */
#define RSDP_NAME "RSDP"
#define RSDT_NAME "RSDT"
#define HPET_NAME "HPET"
#define MADT_NAME "APIC"
#define RSDT_TABLE "RSDT "
#define HPET_TABLE "AMD64 "
#define MADT_TABLE "MADT "
#define OEM_ID "LXBIOS"
#define ASLC "NONE"
// FIX ME - define needs declaring / setting in Config files
#define HAVE_ACPI_FADT
#ifdef HAVE_ACPI_FADT
extern unsigned char AmlCode[];
#endif
#include <device/pci.h>
u8 acpi_checksum(u8 *table, u32 length)
{
@@ -48,7 +37,7 @@ u8 acpi_checksum(u8 *table, u32 length)
* add an acpi table to rsdt structure, and recalculate checksum
*/
static void acpi_add_table(acpi_rsdt_t *rsdt, void *table)
void acpi_add_table(acpi_rsdt_t *rsdt, void *table)
{
int i;
@@ -68,11 +57,11 @@ static void acpi_add_table(acpi_rsdt_t *rsdt, void *table)
}
}
printk_warning("ACPI: could not ACPI table. failed.\n");
printk_warning("ACPI: could not add ACPI table to RSDT. failed.\n");
}
static int acpi_create_madt_lapic(acpi_madt_lapic_t *lapic, u8 cpu, u8 apic)
int acpi_create_madt_lapic(acpi_madt_lapic_t *lapic, u8 cpu, u8 apic)
{
lapic->type=0;
lapic->length=sizeof(acpi_madt_lapic_t);
@@ -84,12 +73,12 @@ static int acpi_create_madt_lapic(acpi_madt_lapic_t *lapic, u8 cpu, u8 apic)
return(lapic->length);
}
static int acpi_create_madt_ioapic(acpi_madt_ioapic_t *ioapic, u8 id, u32 addr)
int acpi_create_madt_ioapic(acpi_madt_ioapic_t *ioapic, u8 id, u32 addr,u32 gsi_base)
{
ioapic->type=1;
ioapic->length=sizeof(acpi_madt_ioapic_t);
ioapic->reserved=0x00;
ioapic->gsi_base=0x00000000;
ioapic->gsi_base=gsi_base;
ioapic->ioapic_id=id;
ioapic->ioapic_addr=addr;
@@ -97,13 +86,11 @@ static int acpi_create_madt_ioapic(acpi_madt_ioapic_t *ioapic, u8 id, u32 addr)
return(ioapic->length);
}
static int acpi_create_madt_irqoverride(acpi_madt_irqoverride_t *irqoverride,
int acpi_create_madt_irqoverride(acpi_madt_irqoverride_t *irqoverride,
u8 bus, u8 source, u32 gsirq, u16 flags)
{
irqoverride->type=2;
irqoverride->length=sizeof(acpi_madt_irqoverride_t);
irqoverride->flags=0x0001;
irqoverride->bus=bus;
irqoverride->source=source;
irqoverride->gsirq=gsirq;
@@ -112,7 +99,7 @@ static int acpi_create_madt_irqoverride(acpi_madt_irqoverride_t *irqoverride,
return(irqoverride->length);
}
static int acpi_create_madt_lapic_nmi(acpi_madt_lapic_nmi_t *lapic_nmi, u8 cpu,
int acpi_create_madt_lapic_nmi(acpi_madt_lapic_nmi_t *lapic_nmi, u8 cpu,
u16 flags, u8 lint)
{
lapic_nmi->type=4;
@@ -125,10 +112,10 @@ static int acpi_create_madt_lapic_nmi(acpi_madt_lapic_nmi_t *lapic_nmi, u8 cpu,
return(lapic_nmi->length);
}
static void acpi_create_madt(acpi_madt_t *madt)
void acpi_create_madt(acpi_madt_t *madt)
{
#define LOCAL_APIC_ADDR 0xfee00000ULL
#define IO_APIC_ADDR 0xfec00000UL
acpi_header_t *header=&(madt->header);
unsigned long current=(unsigned long)madt+sizeof(acpi_madt_t);
@@ -145,26 +132,16 @@ static void acpi_create_madt(acpi_madt_t *madt)
madt->lapic_addr= LOCAL_APIC_ADDR;
madt->flags = 0x1; /* PCAT_COMPAT */
/* create all subtables for 1p */
current += acpi_create_madt_lapic((acpi_madt_lapic_t *)current, 0, 0);
current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *)current, 2,
IO_APIC_ADDR);
current += acpi_create_madt_irqoverride( (acpi_madt_irqoverride_t *)
current, 0, 0, 2, 1 /* active high */);
current += acpi_create_madt_irqoverride( (acpi_madt_irqoverride_t *)
current, 0, 9, 9, 0xf /* active low, level triggered */);
current += acpi_create_madt_lapic_nmi( (acpi_madt_lapic_nmi_t *)
current, 0, 5, 1);
current = acpi_dump_apics(current);
/* recalculate length */
header->length= current - (unsigned long)madt;
header->checksum = acpi_checksum((void *)madt, header->length);
}
static void acpi_create_hpet(acpi_hpet_t *hpet)
void acpi_create_hpet(acpi_hpet_t *hpet)
{
#define HPET_ADDR 0xfed00000ULL
acpi_header_t *header=&(hpet->header);
@@ -195,9 +172,8 @@ static void acpi_create_hpet(acpi_hpet_t *hpet)
header->checksum = acpi_checksum((void *)hpet, sizeof(acpi_hpet_t));
}
static void acpi_create_facs(acpi_facs_t *facs)
void acpi_create_facs(acpi_facs_t *facs)
{
memset( (void *)facs,0, sizeof(acpi_facs_t));
memcpy(facs->signature,"FACS",4);
@@ -209,9 +185,9 @@ static void acpi_create_facs(acpi_facs_t *facs)
facs->x_firmware_waking_vector_l = 0;
facs->x_firmware_waking_vector_h = 0;
facs->version = 1;
}
static void acpi_write_rsdt(acpi_rsdt_t *rsdt)
void acpi_write_rsdt(acpi_rsdt_t *rsdt)
{
acpi_header_t *header=&(rsdt->header);
@@ -233,7 +209,7 @@ static void acpi_write_rsdt(acpi_rsdt_t *rsdt)
header->checksum = acpi_checksum((void *)rsdt, sizeof(acpi_rsdt_t));
}
static void acpi_write_rsdp(acpi_rsdp_t *rsdp, acpi_rsdt_t *rsdt)
void acpi_write_rsdp(acpi_rsdp_t *rsdp, acpi_rsdt_t *rsdt)
{
memcpy(rsdp->signature, RSDP_SIG, 8);
memcpy(rsdp->oem_id, OEM_ID, 6);
@@ -242,89 +218,6 @@ static void acpi_write_rsdp(acpi_rsdp_t *rsdp, acpi_rsdt_t *rsdt)
rsdp->rsdt_address = (u32)rsdt;
rsdp->checksum = acpi_checksum((void *)rsdp, 20);
rsdp->ext_checksum = acpi_checksum((void *)rsdp, sizeof(acpi_rsdp_t));
}
unsigned long write_acpi_tables(unsigned long start)
{
unsigned long current;
acpi_rsdp_t *rsdp;
acpi_rsdt_t *rsdt;
acpi_hpet_t *hpet;
acpi_madt_t *madt;
acpi_fadt_t *fadt;
acpi_facs_t *facs;
acpi_header_t *dsdt;
/* Align ACPI tables to 16byte */
start = ( start + 0x0f ) & -0x10;
current = start;
printk_info("ACPI: Writing ACPI tables at %lx...\n", start);
/* We need at least an RSDP and an RSDT Table */
rsdp = (acpi_rsdp_t *) current;
current += sizeof(acpi_rsdp_t);
rsdt = (acpi_rsdt_t *) current;
current += sizeof(acpi_rsdt_t);
/* clear all table memory */
memset((void *)start, 0, current - start);
acpi_write_rsdp(rsdp, rsdt);
acpi_write_rsdt(rsdt);
/*
* We explicitly add these tables later on:
*/
#ifdef HAVE_ACPI_HPET
printk_debug("ACPI: * HPET\n");
hpet = (acpi_hpet_t *) current;
current += sizeof(acpi_hpet_t);
acpi_create_hpet(hpet);
acpi_add_table(rsdt,hpet);
/* If we want to use HPET Timers Linux wants an MADT */
printk_debug("ACPI: * MADT\n");
madt = (acpi_madt_t *) current;
acpi_create_madt(madt);
current+=madt->header.length;
acpi_add_table(rsdt,madt);
#endif
#ifdef HAVE_ACPI_FADT
printk_debug("ACPI: * FACS\n");
facs = (acpi_facs_t *) current;
current += sizeof(acpi_facs_t);
acpi_create_facs(facs);
dsdt = (acpi_header_t *)current;
current += ((acpi_header_t *)AmlCode)->length;
memcpy((void *)dsdt,(void *)AmlCode, ((acpi_header_t *)AmlCode)->length);
dsdt->checksum = 0; // don't trust intel iasl compiler to get this right
dsdt->checksum = acpi_checksum(dsdt,dsdt->length);
printk_debug("ACPI: * DSDT @ %08x Length %x\n",dsdt,dsdt->length);
printk_debug("ACPI: * FADT\n");
fadt = (acpi_fadt_t *) current;
current += sizeof(acpi_fadt_t);
acpi_create_fadt(fadt,facs,dsdt);
acpi_add_table(rsdt,fadt);
#endif
printk_info("ACPI: done.\n");
return current;
}