| /* |
| * Ported to Intel XE7501DEVKIT from Agami Aruma |
| * written by Stefan Reinauer <stepan@openbios.org> |
| * (C) 2005 Stefan Reinauer |
| * (C) 2005 Digital Design Corporation |
| */ |
| |
| #include <console/console.h> |
| #include <string.h> |
| #include <arch/acpi.h> |
| #include <arch/ioapic.h> |
| #include <device/pci.h> |
| #include <device/pci_ids.h> |
| #include <assert.h> |
| #include "bus.h" |
| #include "ioapic.h" |
| |
| unsigned long acpi_fill_mcfg(unsigned long current) |
| { |
| /* Just a dummy */ |
| return current; |
| } |
| |
| unsigned long acpi_fill_slit(unsigned long current) |
| { |
| // Not implemented |
| return current; |
| } |
| |
| unsigned long acpi_fill_srat(unsigned long current) |
| { |
| // Not implemented |
| return current; |
| } |
| |
| unsigned long acpi_fill_madt(unsigned long current) |
| { |
| unsigned int irq_start = 0; |
| device_t dev = 0; |
| struct resource* res = NULL; |
| |
| |
| // SJM: Hard-code CPU LAPIC entries for now |
| // Use SourcePoint numbering of processors |
| current += acpi_create_madt_lapic((acpi_madt_lapic_t *)current, 0, 6); |
| current += acpi_create_madt_lapic((acpi_madt_lapic_t *)current, 1, 7); |
| current += acpi_create_madt_lapic((acpi_madt_lapic_t *)current, 2, 0); |
| current += acpi_create_madt_lapic((acpi_madt_lapic_t *)current, 3, 1); |
| |
| |
| // Southbridge IOAPIC |
| current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *)current, IOAPIC_ICH3, IO_APIC_ADDR, irq_start); |
| irq_start += INTEL_IOAPIC_NUM_INTERRUPTS; |
| |
| // P64H2#2 Bus A IOAPIC |
| dev = dev_find_slot(PCI_BUS_E7501_HI_B, PCI_DEVFN(30, 0)); |
| if (!dev) |
| BUG(); |
| res = find_resource(dev, PCI_BASE_ADDRESS_0); |
| current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *)current, IOAPIC_P64H2_2_BUS_A, res->base, irq_start); |
| irq_start += INTEL_IOAPIC_NUM_INTERRUPTS; |
| |
| // P64H2#2 Bus B IOAPIC |
| dev = dev_find_slot(PCI_BUS_E7501_HI_B, PCI_DEVFN(28, 0)); |
| if (!dev) |
| BUG(); |
| res = find_resource(dev, PCI_BASE_ADDRESS_0); |
| current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *)current, IOAPIC_P64H2_2_BUS_B, res->base, irq_start); |
| irq_start += INTEL_IOAPIC_NUM_INTERRUPTS; |
| |
| |
| // P64H2#1 Bus A IOAPIC |
| dev = dev_find_slot(PCI_BUS_E7501_HI_D, PCI_DEVFN(30, 0)); |
| if (!dev) |
| BUG(); |
| res = find_resource(dev, PCI_BASE_ADDRESS_0); |
| current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *)current, IOAPIC_P64H2_1_BUS_A, res->base, irq_start); |
| irq_start += INTEL_IOAPIC_NUM_INTERRUPTS; |
| |
| // P64H2#1 Bus B IOAPIC |
| dev = dev_find_slot(PCI_BUS_E7501_HI_D, PCI_DEVFN(28, 0)); |
| if (!dev) |
| BUG(); |
| res = find_resource(dev, PCI_BASE_ADDRESS_0); |
| current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *)current, IOAPIC_P64H2_1_BUS_B, res->base, irq_start); |
| irq_start += INTEL_IOAPIC_NUM_INTERRUPTS; |
| |
| // Map ISA IRQ 0 to IRQ 2 |
| current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *)current, 1, 0, 2, 0); |
| |
| // IRQ9 differs from ISA standard - ours is active high, level-triggered |
| current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *)current, 0, 9, 9, 0xD); |
| |
| return current; |
| } |
| |
| |
| unsigned long write_acpi_tables(unsigned long start) |
| { |
| unsigned long current; |
| acpi_rsdp_t *rsdp; |
| acpi_rsdt_t *rsdt; |
| acpi_madt_t *madt; |
| |
| /* Align ACPI tables to 16byte */ |
| start = ALIGN(start, 16); |
| current = start; |
| |
| printk(BIOS_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, NULL); |
| acpi_write_rsdt(rsdt); |
| |
| /* |
| * We explicitly add these tables later on: |
| */ |
| /* QNX wants an MADT */ |
| printk(BIOS_DEBUG, "ACPI: * MADT\n"); |
| |
| madt = (acpi_madt_t *) current; |
| acpi_create_madt(madt); |
| current+=madt->header.length; |
| acpi_add_table(rsdp,madt); |
| |
| printk(BIOS_INFO, "ACPI: done.\n"); |
| return current; |
| } |
| |