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

1 files changed, 227 insertions, 0 deletions

diff --git a/src/mainboard/intel/eagleheights/acpi_tables.c b/src/mainboard/intel/eagleheights/acpi_tables.c
new file mode 100644
index 0000000000..a6b06ff763
--- /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;
+}