diff options
Diffstat (limited to 'src/mainboard/island/aruma/acpi_tables.c')
| -rw-r--r-- | src/mainboard/island/aruma/acpi_tables.c | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/src/mainboard/island/aruma/acpi_tables.c b/src/mainboard/island/aruma/acpi_tables.c new file mode 100644 index 0000000000..b5a7b88c51 --- /dev/null +++ b/src/mainboard/island/aruma/acpi_tables.c @@ -0,0 +1,130 @@ +/* + * Island Aruma ACPI support + * written by Stefan Reinauer <stepan@openbios.org> + * (C) 2005 Stefan Reinauer + */ + +#include <console/console.h> +#include <string.h> +#include <arch/acpi.h> +#include <device/pci.h> + +extern unsigned char AmlCode[]; +extern unsigned char oem_config[]; + +#define IO_APIC_ADDR 0xfec00000UL + +unsigned long acpi_dump_apics(unsigned long current) +{ + unsigned int gsi_base=0x18; + /* create all subtables for 4p */ + /* CPUs are called 1234 in regular bios */ + current += acpi_create_madt_lapic((acpi_madt_lapic_t *)current, 0, 16); + current += acpi_create_madt_lapic((acpi_madt_lapic_t *)current, 1, 17); + current += acpi_create_madt_lapic((acpi_madt_lapic_t *)current, 2, 18); + current += acpi_create_madt_lapic((acpi_madt_lapic_t *)current, 3, 19); + + /* Write 8111 IOAPIC */ + current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *)current, 1, + IO_APIC_ADDR, 0); + + /* Write all 8131 IOAPICs */ + /* (8131: bus, dev, fn) , id, version */ + ACPI_WRITE_MADT_IOAPIC(0x01,1,1, 2); + ACPI_WRITE_MADT_IOAPIC(0x01,2,1, 3); + ACPI_WRITE_MADT_IOAPIC(0x05,1,1, 4); + ACPI_WRITE_MADT_IOAPIC(0x05,2,1, 5); + ACPI_WRITE_MADT_IOAPIC(0x05,3,1, 6); + ACPI_WRITE_MADT_IOAPIC(0x05,4,1, 7); + ACPI_WRITE_MADT_IOAPIC(0x0c,1,1, 8); + ACPI_WRITE_MADT_IOAPIC(0x0c,2,1, 9); + ACPI_WRITE_MADT_IOAPIC(0x0c,3,1, 10); + ACPI_WRITE_MADT_IOAPIC(0x0c,4,1, 11); + ACPI_WRITE_MADT_IOAPIC(0x11,1,1, 12); + ACPI_WRITE_MADT_IOAPIC(0x11,2,1, 13); + ACPI_WRITE_MADT_IOAPIC(0x11,3,1, 14); + ACPI_WRITE_MADT_IOAPIC(0x11,4,1, 15); + + current += acpi_create_madt_irqoverride( (acpi_madt_irqoverride_t *) + current, 1, 0, 2, 0 ); + + current += acpi_create_madt_irqoverride( (acpi_madt_irqoverride_t *) + current, 1, 0, 2, 0 ); + + return current; +} + +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; + acpi_header_t *oemb; + + /* 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: + */ + 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); + + 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); + + /* recalculate checksum */ + dsdt->checksum = 0; + 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); + + printk_info("ACPI: done.\n"); + return current; +} + |