Add support for the Intel Eagle Heights development board.
Signed-off-by: Thomas Jourdan <thomas.jourdan@gmail.com>
Acked-by: Myles Watson <mylesgw@gmail.com>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4392 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
diff --git a/src/mainboard/intel/eagleheights/acpi_tables.c b/src/mainboard/intel/eagleheights/acpi_tables.c
new file mode 100644
index 0000000..a6b06ff
--- /dev/null
+++ b/src/mainboard/intel/eagleheights/acpi_tables.c
@@ -0,0 +1,227 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2008 coresystems GmbH
+ * Copyright (C) 2009 Thomas Jourdan <thomas.jourdan@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 of
+ * the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ */
+
+#include <string.h>
+#include <console/console.h>
+#include <arch/acpi.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include "ioapic.h"
+
+extern unsigned char AmlCode[];
+
+unsigned long acpi_fill_mcfg(unsigned long current)
+{
+ device_t dev;
+ u64 mmcfg;
+
+ dev = dev_find_device(0x8086, 0x35B0, 0); // 0:0x13.0
+ if (!dev)
+ return current;
+
+ // MMCFG not supported or not enabled.
+ mmcfg = ((u64) pci_read_config16(dev, 0xce)) << 16;
+ if (!mmcfg)
+ return current;
+
+ current += acpi_create_mcfg_mmconfig((acpi_mcfg_mmconfig_t *) current,
+ mmcfg, 0x0, 0x0, 0xff);
+
+ return current;
+}
+
+void acpi_create_intel_hpet(acpi_hpet_t * hpet)
+{
+#define HPET_ADDR 0xfed00000ULL
+ acpi_header_t *header = &(hpet->header);
+ acpi_addr_t *addr = &(hpet->addr);
+
+ memset((void *) hpet, 0, sizeof(acpi_hpet_t));
+
+ /* fill out header fields */
+ memcpy(header->signature, HPET_NAME, 4);
+ memcpy(header->oem_id, OEM_ID, 6);
+ memcpy(header->oem_table_id, "IC ", 8);
+ memcpy(header->asl_compiler_id, ASLC, 4);
+
+ header->length = sizeof(acpi_hpet_t);
+ header->revision = 1;
+
+ /* fill out HPET address */
+ // XXX factory bios just puts an address here -- who's right?
+ addr->space_id = 0; /* Memory */
+ addr->bit_width = 64;
+ addr->bit_offset = 0;
+ addr->addrl = HPET_ADDR & 0xffffffff;
+ addr->addrh = HPET_ADDR >> 32;
+
+ hpet->id = 0x80861234;
+ hpet->number = 0x00;
+ hpet->min_tick = 0x0090;
+
+ header->checksum = acpi_checksum((void *) hpet, sizeof(acpi_hpet_t));
+}
+
+#define IO_APIC0 2
+#define IO_APIC1 3
+#define IO_APIC0_ADDR 0xfec00000UL
+#define IO_APIC1_ADDR 0xfec10000UL
+
+unsigned long acpi_fill_madt(unsigned long current)
+{
+ unsigned int irq_start = 0;
+ device_t dev = 0;
+ struct resource* res = NULL;
+ unsigned char bus_isa;
+
+ /* Local Apic */
+ current += acpi_create_madt_lapic((acpi_madt_lapic_t *) current, 1, 0);
+ // This one is for the second core... Will it hurt?
+ current += acpi_create_madt_lapic((acpi_madt_lapic_t *) current, 2, 1);
+
+ /* IOAPIC */
+ current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current, IO_APIC0, IO_APIC0_ADDR, irq_start);
+ irq_start += INTEL_IOAPIC_NUM_INTERRUPTS;
+ current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current, IO_APIC1, IO_APIC1_ADDR, irq_start);
+ irq_start += INTEL_IOAPIC_NUM_INTERRUPTS;
+
+ dev = dev_find_slot(0, PCI_DEVFN(0x1e,0));
+
+ if (dev) {
+ bus_isa = pci_read_config8(dev, PCI_SUBORDINATE_BUS);
+ bus_isa++;
+ } else {
+ printk_debug("ERROR - could not find PCI 0:1e.0, using defaults\n");
+ bus_isa = 7;
+ }
+
+ /* Map ISA IRQ 0 to IRQ 2 */
+ current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *) current, bus_isa, 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, 0x000d);
+
+ return current;
+}
+
+unsigned long acpi_fill_slit(unsigned long current)
+{
+ // Not implemented
+ return current;
+}
+
+unsigned long acpi_fill_srat(unsigned long current)
+{
+ /* No NUMA, no SRAT */
+ return current;
+}
+
+
+#define ALIGN_CURRENT current = ((current + 0x0f) & -0x10)
+unsigned long write_acpi_tables(unsigned long start)
+{
+ unsigned long current;
+ int i;
+ acpi_rsdp_t *rsdp;
+ acpi_rsdt_t *rsdt;
+ acpi_hpet_t *hpet;
+ acpi_madt_t *madt;
+ acpi_mcfg_t *mcfg;
+ acpi_fadt_t *fadt;
+ acpi_facs_t *facs;
+ acpi_header_t *dsdt;
+
+ current = start;
+
+ /* Align ACPI tables to 16byte */
+ ALIGN_CURRENT;
+
+ printk_info("ACPI: Writing ACPI tables at %lx.\n", current);
+
+ /* We need at least an RSDP and an RSDT Table */
+ rsdp = (acpi_rsdp_t *) current;
+ current += sizeof(acpi_rsdp_t);
+ ALIGN_CURRENT;
+ rsdt = (acpi_rsdt_t *) current;
+ current += sizeof(acpi_rsdt_t);
+ ALIGN_CURRENT;
+
+ /* 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);
+ ALIGN_CURRENT;
+ acpi_create_intel_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;
+ ALIGN_CURRENT;
+ acpi_add_table(rsdt, madt);
+
+ printk_debug("ACPI: * MCFG\n");
+ mcfg = (acpi_mcfg_t *) current;
+ acpi_create_mcfg(mcfg);
+ current += mcfg->header.length;
+ ALIGN_CURRENT;
+ acpi_add_table(rsdt, mcfg);
+
+ printk_debug("ACPI: * FACS\n");
+ facs = (acpi_facs_t *) current;
+ current += sizeof(acpi_facs_t);
+ ALIGN_CURRENT;
+ acpi_create_facs(facs);
+
+ dsdt = (acpi_header_t *) current;
+ current += ((acpi_header_t *) AmlCode)->length;
+ ALIGN_CURRENT;
+ memcpy((void *) dsdt, (void *) AmlCode,
+ ((acpi_header_t *) AmlCode)->length);
+
+ printk_debug("ACPI: * DSDT @ %p Length %x\n", dsdt,
+ dsdt->length);
+
+ printk_debug("ACPI: * FADT\n");
+ fadt = (acpi_fadt_t *) current;
+ current += sizeof(acpi_fadt_t);
+ ALIGN_CURRENT;
+
+ acpi_create_fadt(fadt, facs, dsdt);
+ acpi_add_table(rsdt, fadt);
+
+ printk_info("ACPI: done.\n");
+ return current;
+}