- make acpi usable for more than one motherboard.
- 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
parent
26b2922f1c
commit
777224c7cf
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@ -1,38 +1,27 @@
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/*
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* LinuxBIOS ACPI Table support
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* written by Stefan Reinauer <stepan@openbios.org>
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* (C) 2004 SUSE LINUX AG
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*/
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/* ACPI FADT, FACS, and DSDT table support added by
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* (C) 2004 SUSE LINUX AG
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* (C) 2005 Stefan Reinauer
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*
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* ACPI FADT, FACS, and DSDT table support added by
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* Nick Barker <nick.barker9@btinternet.com>, and those portions
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* (C) Copyright 2004 Nick Barker
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* (C) Copyright 2004 Nick Barker
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*/
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/*
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* Each system port implementing ACPI has to provide two functions:
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*
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* write_acpi_tables()
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* acpi_dump_apics()
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*
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* See Solo or Epia port on more details.
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*/
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#include <console/console.h>
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#include <string.h>
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#include <arch/acpi.h>
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#define RSDP_SIG "RSD PTR " /* RSDT Pointer signature */
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#define RSDP_NAME "RSDP"
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#define RSDT_NAME "RSDT"
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#define HPET_NAME "HPET"
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#define MADT_NAME "APIC"
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#define RSDT_TABLE "RSDT "
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#define HPET_TABLE "AMD64 "
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#define MADT_TABLE "MADT "
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#define OEM_ID "LXBIOS"
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#define ASLC "NONE"
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// FIX ME - define needs declaring / setting in Config files
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#define HAVE_ACPI_FADT
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#ifdef HAVE_ACPI_FADT
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extern unsigned char AmlCode[];
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#endif
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#include <device/pci.h>
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u8 acpi_checksum(u8 *table, u32 length)
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{
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@ -48,7 +37,7 @@ u8 acpi_checksum(u8 *table, u32 length)
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* add an acpi table to rsdt structure, and recalculate checksum
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*/
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static void acpi_add_table(acpi_rsdt_t *rsdt, void *table)
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void acpi_add_table(acpi_rsdt_t *rsdt, void *table)
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{
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int i;
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@ -68,11 +57,11 @@ static void acpi_add_table(acpi_rsdt_t *rsdt, void *table)
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}
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}
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printk_warning("ACPI: could not ACPI table. failed.\n");
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printk_warning("ACPI: could not add ACPI table to RSDT. failed.\n");
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}
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static int acpi_create_madt_lapic(acpi_madt_lapic_t *lapic, u8 cpu, u8 apic)
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int acpi_create_madt_lapic(acpi_madt_lapic_t *lapic, u8 cpu, u8 apic)
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{
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lapic->type=0;
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lapic->length=sizeof(acpi_madt_lapic_t);
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@ -84,12 +73,12 @@ static int acpi_create_madt_lapic(acpi_madt_lapic_t *lapic, u8 cpu, u8 apic)
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return(lapic->length);
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}
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static int acpi_create_madt_ioapic(acpi_madt_ioapic_t *ioapic, u8 id, u32 addr)
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int acpi_create_madt_ioapic(acpi_madt_ioapic_t *ioapic, u8 id, u32 addr,u32 gsi_base)
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{
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ioapic->type=1;
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ioapic->length=sizeof(acpi_madt_ioapic_t);
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ioapic->reserved=0x00;
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ioapic->gsi_base=0x00000000;
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ioapic->gsi_base=gsi_base;
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ioapic->ioapic_id=id;
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ioapic->ioapic_addr=addr;
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@ -97,13 +86,11 @@ static int acpi_create_madt_ioapic(acpi_madt_ioapic_t *ioapic, u8 id, u32 addr)
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return(ioapic->length);
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}
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static int acpi_create_madt_irqoverride(acpi_madt_irqoverride_t *irqoverride,
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int acpi_create_madt_irqoverride(acpi_madt_irqoverride_t *irqoverride,
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u8 bus, u8 source, u32 gsirq, u16 flags)
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{
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irqoverride->type=2;
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irqoverride->length=sizeof(acpi_madt_irqoverride_t);
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irqoverride->flags=0x0001;
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irqoverride->bus=bus;
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irqoverride->source=source;
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irqoverride->gsirq=gsirq;
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@ -112,7 +99,7 @@ static int acpi_create_madt_irqoverride(acpi_madt_irqoverride_t *irqoverride,
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return(irqoverride->length);
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}
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static int acpi_create_madt_lapic_nmi(acpi_madt_lapic_nmi_t *lapic_nmi, u8 cpu,
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int acpi_create_madt_lapic_nmi(acpi_madt_lapic_nmi_t *lapic_nmi, u8 cpu,
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u16 flags, u8 lint)
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{
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lapic_nmi->type=4;
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@ -125,10 +112,10 @@ static int acpi_create_madt_lapic_nmi(acpi_madt_lapic_nmi_t *lapic_nmi, u8 cpu,
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return(lapic_nmi->length);
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}
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static void acpi_create_madt(acpi_madt_t *madt)
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void acpi_create_madt(acpi_madt_t *madt)
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{
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#define LOCAL_APIC_ADDR 0xfee00000ULL
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#define IO_APIC_ADDR 0xfec00000UL
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acpi_header_t *header=&(madt->header);
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unsigned long current=(unsigned long)madt+sizeof(acpi_madt_t);
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@ -145,26 +132,16 @@ static void acpi_create_madt(acpi_madt_t *madt)
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madt->lapic_addr= LOCAL_APIC_ADDR;
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madt->flags = 0x1; /* PCAT_COMPAT */
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/* create all subtables for 1p */
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current += acpi_create_madt_lapic((acpi_madt_lapic_t *)current, 0, 0);
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current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *)current, 2,
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IO_APIC_ADDR);
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current += acpi_create_madt_irqoverride( (acpi_madt_irqoverride_t *)
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current, 0, 0, 2, 1 /* active high */);
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current += acpi_create_madt_irqoverride( (acpi_madt_irqoverride_t *)
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current, 0, 9, 9, 0xf /* active low, level triggered */);
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current += acpi_create_madt_lapic_nmi( (acpi_madt_lapic_nmi_t *)
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current, 0, 5, 1);
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current = acpi_dump_apics(current);
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/* recalculate length */
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header->length= current - (unsigned long)madt;
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header->checksum = acpi_checksum((void *)madt, header->length);
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}
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static void acpi_create_hpet(acpi_hpet_t *hpet)
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void acpi_create_hpet(acpi_hpet_t *hpet)
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{
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#define HPET_ADDR 0xfed00000ULL
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acpi_header_t *header=&(hpet->header);
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@ -195,9 +172,8 @@ static void acpi_create_hpet(acpi_hpet_t *hpet)
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header->checksum = acpi_checksum((void *)hpet, sizeof(acpi_hpet_t));
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}
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static void acpi_create_facs(acpi_facs_t *facs)
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void acpi_create_facs(acpi_facs_t *facs)
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{
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memset( (void *)facs,0, sizeof(acpi_facs_t));
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memcpy(facs->signature,"FACS",4);
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@ -209,9 +185,9 @@ static void acpi_create_facs(acpi_facs_t *facs)
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facs->x_firmware_waking_vector_l = 0;
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facs->x_firmware_waking_vector_h = 0;
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facs->version = 1;
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}
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static void acpi_write_rsdt(acpi_rsdt_t *rsdt)
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void acpi_write_rsdt(acpi_rsdt_t *rsdt)
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{
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acpi_header_t *header=&(rsdt->header);
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@ -233,7 +209,7 @@ static void acpi_write_rsdt(acpi_rsdt_t *rsdt)
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header->checksum = acpi_checksum((void *)rsdt, sizeof(acpi_rsdt_t));
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}
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static void acpi_write_rsdp(acpi_rsdp_t *rsdp, acpi_rsdt_t *rsdt)
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void acpi_write_rsdp(acpi_rsdp_t *rsdp, acpi_rsdt_t *rsdt)
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{
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memcpy(rsdp->signature, RSDP_SIG, 8);
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memcpy(rsdp->oem_id, OEM_ID, 6);
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@ -242,89 +218,6 @@ static void acpi_write_rsdp(acpi_rsdp_t *rsdp, acpi_rsdt_t *rsdt)
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rsdp->rsdt_address = (u32)rsdt;
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rsdp->checksum = acpi_checksum((void *)rsdp, 20);
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rsdp->ext_checksum = acpi_checksum((void *)rsdp, sizeof(acpi_rsdp_t));
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}
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unsigned long write_acpi_tables(unsigned long start)
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{
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unsigned long current;
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acpi_rsdp_t *rsdp;
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acpi_rsdt_t *rsdt;
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acpi_hpet_t *hpet;
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acpi_madt_t *madt;
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acpi_fadt_t *fadt;
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acpi_facs_t *facs;
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acpi_header_t *dsdt;
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/* Align ACPI tables to 16byte */
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start = ( start + 0x0f ) & -0x10;
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current = start;
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printk_info("ACPI: Writing ACPI tables at %lx...\n", start);
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/* We need at least an RSDP and an RSDT Table */
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rsdp = (acpi_rsdp_t *) current;
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current += sizeof(acpi_rsdp_t);
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rsdt = (acpi_rsdt_t *) current;
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current += sizeof(acpi_rsdt_t);
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/* clear all table memory */
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memset((void *)start, 0, current - start);
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acpi_write_rsdp(rsdp, rsdt);
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acpi_write_rsdt(rsdt);
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/*
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* We explicitly add these tables later on:
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*/
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#ifdef HAVE_ACPI_HPET
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printk_debug("ACPI: * HPET\n");
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hpet = (acpi_hpet_t *) current;
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current += sizeof(acpi_hpet_t);
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acpi_create_hpet(hpet);
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acpi_add_table(rsdt,hpet);
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/* If we want to use HPET Timers Linux wants an MADT */
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printk_debug("ACPI: * MADT\n");
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madt = (acpi_madt_t *) current;
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acpi_create_madt(madt);
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current+=madt->header.length;
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acpi_add_table(rsdt,madt);
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#endif
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#ifdef HAVE_ACPI_FADT
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printk_debug("ACPI: * FACS\n");
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facs = (acpi_facs_t *) current;
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current += sizeof(acpi_facs_t);
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acpi_create_facs(facs);
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dsdt = (acpi_header_t *)current;
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current += ((acpi_header_t *)AmlCode)->length;
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memcpy((void *)dsdt,(void *)AmlCode, ((acpi_header_t *)AmlCode)->length);
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dsdt->checksum = 0; // don't trust intel iasl compiler to get this right
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dsdt->checksum = acpi_checksum(dsdt,dsdt->length);
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printk_debug("ACPI: * DSDT @ %08x Length %x\n",dsdt,dsdt->length);
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printk_debug("ACPI: * FADT\n");
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fadt = (acpi_fadt_t *) current;
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current += sizeof(acpi_fadt_t);
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acpi_create_fadt(fadt,facs,dsdt);
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acpi_add_table(rsdt,fadt);
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#endif
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printk_info("ACPI: done.\n");
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return current;
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}
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@ -24,8 +24,8 @@ static void check_pirq_routing_table(struct irq_routing_table *rt)
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for (i = 0; i < rt->size; i++)
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sum += addr[i];
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printk_debug("%s:%6d:%s() - irq_routing_table located at: 0x%p\n",
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__FILE__, __LINE__, __FUNCTION__, addr);
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printk_debug("%s() - irq_routing_table located at: 0x%p\n",
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__FUNCTION__, addr);
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sum = rt->checksum - sum;
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@ -22,8 +22,19 @@ typedef unsigned short u16;
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typedef unsigned int u32;
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typedef unsigned long long u64;
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#define RSDP_NAME "RSDP"
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#define RSDP_SIG "RSD PTR " /* RSDT Pointer signature */
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#define RSDP_SIG "RSD PTR " /* RSDT Pointer signature */
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#define RSDP_NAME "RSDP"
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#define RSDT_NAME "RSDT"
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#define HPET_NAME "HPET"
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#define MADT_NAME "APIC"
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#define RSDT_TABLE "RSDT "
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#define HPET_TABLE "AMD64 "
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#define MADT_TABLE "MADT "
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#define OEM_ID "LXBIOS"
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#define ASLC "NONE"
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/* ACPI 2.0 table RSDP */
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@ -209,8 +220,33 @@ typedef struct acpi_facs {
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u8 resv[33];
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} __attribute__ ((packed)) acpi_facs_t;
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unsigned long write_acpi_tables(unsigned long addr);
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unsigned long acpi_dump_apics(unsigned long current);
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void acpi_add_table(acpi_rsdt_t *rsdt, void *table);
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int acpi_create_madt_lapic(acpi_madt_lapic_t *lapic, u8 cpu, u8 apic);
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int acpi_create_madt_ioapic(acpi_madt_ioapic_t *ioapic, u8 id, u32 addr,u32 gsi_base);
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void acpi_create_madt(acpi_madt_t *madt);
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void acpi_create_hpet(acpi_hpet_t *hpet);
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void acpi_create_facs(acpi_facs_t *facs);
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void acpi_write_rsdt(acpi_rsdt_t *rsdt);
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void acpi_write_rsdp(acpi_rsdp_t *rsdp, acpi_rsdt_t *rsdt);
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#define ACPI_WRITE_MADT_IOAPIC(bus,device,fn,id) \
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do { \
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device_t dev; \
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struct resource *res; \
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dev = dev_find_slot(bus, PCI_DEVFN(device,fn)); \
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if (!dev) break; \
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res = find_resource(dev, PCI_BASE_ADDRESS_0); \
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if (!res) break; \
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current += acpi_create_madt_ioapic( \
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(acpi_madt_ioapic_t *)current, \
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id, res->base, gsi_base); \
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gsi_base+=4; \
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} while(0);
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#define IO_APIC_ADDR 0xfec00000UL
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#else // HAVE_ACPI_TABLES
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