131 lines
3.6 KiB
C
131 lines
3.6 KiB
C
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/*
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* Island Aruma ACPI support
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* written by Stefan Reinauer <stepan@openbios.org>
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* (C) 2005 Stefan Reinauer
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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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#include <device/pci.h>
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extern unsigned char AmlCode[];
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extern unsigned char oem_config[];
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#define IO_APIC_ADDR 0xfec00000UL
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unsigned long acpi_dump_apics(unsigned long current)
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{
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unsigned int gsi_base=0x18;
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/* create all subtables for 4p */
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/* CPUs are called 1234 in regular bios */
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current += acpi_create_madt_lapic((acpi_madt_lapic_t *)current, 0, 16);
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current += acpi_create_madt_lapic((acpi_madt_lapic_t *)current, 1, 17);
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current += acpi_create_madt_lapic((acpi_madt_lapic_t *)current, 2, 18);
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current += acpi_create_madt_lapic((acpi_madt_lapic_t *)current, 3, 19);
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/* Write 8111 IOAPIC */
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current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *)current, 1,
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IO_APIC_ADDR, 0);
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/* Write all 8131 IOAPICs */
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/* (8131: bus, dev, fn) , id, version */
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ACPI_WRITE_MADT_IOAPIC(0x01,1,1, 2);
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ACPI_WRITE_MADT_IOAPIC(0x01,2,1, 3);
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ACPI_WRITE_MADT_IOAPIC(0x05,1,1, 4);
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ACPI_WRITE_MADT_IOAPIC(0x05,2,1, 5);
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ACPI_WRITE_MADT_IOAPIC(0x05,3,1, 6);
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ACPI_WRITE_MADT_IOAPIC(0x05,4,1, 7);
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ACPI_WRITE_MADT_IOAPIC(0x0c,1,1, 8);
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ACPI_WRITE_MADT_IOAPIC(0x0c,2,1, 9);
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ACPI_WRITE_MADT_IOAPIC(0x0c,3,1, 10);
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ACPI_WRITE_MADT_IOAPIC(0x0c,4,1, 11);
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ACPI_WRITE_MADT_IOAPIC(0x11,1,1, 12);
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ACPI_WRITE_MADT_IOAPIC(0x11,2,1, 13);
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ACPI_WRITE_MADT_IOAPIC(0x11,3,1, 14);
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ACPI_WRITE_MADT_IOAPIC(0x11,4,1, 15);
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current += acpi_create_madt_irqoverride( (acpi_madt_irqoverride_t *)
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current, 1, 0, 2, 0 );
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current += acpi_create_madt_irqoverride( (acpi_madt_irqoverride_t *)
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current, 1, 0, 2, 0 );
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return current;
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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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acpi_header_t *oemb;
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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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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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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, \
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((acpi_header_t *)AmlCode)->length);
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/* recalculate checksum */
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dsdt->checksum = 0;
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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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printk_info("ACPI: done.\n");
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return current;
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}
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