| /* |
| * LinuxBIOS ACPI support for AMD Solo |
| * 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> |
| |
| |
| unsigned long acpi_dump_apics(unsigned long current) |
| { |
| #define IO_APIC_ADDR 0xfec00000UL |
| /* 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); |
| 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; |
| |
| /* 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); |
| |
| #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; |
| } |
| |