ChangeLog:

Add initial ACPI support for M57SLI.
	Activates/Enables:
		* native Coreboot ACPI for M57SLI
		* Soft-Power-Off
		* PowerNow!
		* High Precision Event Timer
		* Windows booting with ACPI support

Signed-off-by: Harald Gutmann <harald.gutmann@gmx.net>
Acked-by: Myles Watson <mylesgw@gmail.com>
Acked-by: Peter Stuge <peter@stuge.se>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4364 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

1 files changed, 203 insertions, 0 deletions

diff --git a/src/mainboard/gigabyte/m57sli/acpi_tables.c b/src/mainboard/gigabyte/m57sli/acpi_tables.c
new file mode 100644
index 0000000000..5a677495e9
--- /dev/null
+++ b/src/mainboard/gigabyte/m57sli/acpi_tables.c
@@ -0,0 +1,203 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Written by Stefan Reinauer <stepan@openbios.org>.
+ * ACPI FADT, FACS, and DSDT table support added by 
+ *
+ * Copyright (C) 2004 Stefan Reinauer <stepan@openbios.org>
+ * Copyright (C) 2005 Nick Barker <nick.barker9@btinternet.com>
+ * Copyright (C) 2007, 2008 Rudolf Marek <r.marek@assembler.cz>
+ * Copyright (C) 2009 Harald Gutmann <harald.gutmann@gmx.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License v2 as published by
+ * the Free Software Foundation.
+ *
+ * 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 <console/console.h>
+#include <string.h>
+#include <arch/acpi.h>
+#include <arch/smp/mpspec.h>
+#include <device/device.h>
+#include <device/pci_ids.h>
+#include <../../../northbridge/amd/amdk8/amdk8_acpi.h>
+#include <cpu/amd/model_fxx_powernow.h>
+#include <device/pci.h>
+#include <cpu/amd/amdk8_sysconf.h>
+
+extern unsigned char AmlCode[];
+
+unsigned long acpi_fill_mcfg(unsigned long current)
+{
+	/* Not implemented */
+	return current;
+}
+
+unsigned long acpi_fill_madt(unsigned long current)
+{
+	unsigned int gsi_base = 0x18;
+	extern unsigned char bus_mcp55[8];
+	extern unsigned apicid_mcp55;
+	extern void get_bus_conf(void);
+	unsigned sbdn;
+	struct resource *res;
+	device_t dev;
+
+	get_bus_conf();
+	sbdn = sysconf.sbdn;
+	
+	/* Create all subtables for processors. */
+	current = acpi_create_madt_lapics(current);
+
+	/* Write SB IOAPIC. */
+	dev = dev_find_slot(bus_mcp55[0], PCI_DEVFN(sbdn+ 0x1,0));
+	if (dev) {
+		res = find_resource(dev, PCI_BASE_ADDRESS_1);
+		if (res) {
+			current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current,
+				apicid_mcp55, res->base,  0);
+		}
+	}
+
+	/* Write NB IOAPIC. */
+	dev = dev_find_slot(bus_mcp55[0], PCI_DEVFN(sbdn+ 0x12,1));
+	if (dev) {
+		res = find_resource(dev, PCI_BASE_ADDRESS_1);
+		if (res) {
+			current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *) current,
+				apicid_mcp55++, res->base,  gsi_base);
+		}
+	}
+
+	/* IRQ9 ACPI active low. */
+	current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *)
+		current, 0, 9, 9, MP_IRQ_TRIGGER_LEVEL | MP_IRQ_POLARITY_LOW);
+
+	/* IRQ0 -> APIC IRQ2. */
+	current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *)
+		current, 0, 0, 2, 0x0);	
+
+	/* Create all subtables for processors. */
+	current = acpi_create_madt_lapic_nmis(current,
+		MP_IRQ_TRIGGER_EDGE | MP_IRQ_POLARITY_HIGH, 1);
+
+	return current;
+}
+
+unsigned long acpi_fill_ssdt_generator(unsigned long current, char *oem_table_id) 
+{
+	k8acpi_write_vars();
+	amd_model_fxx_generate_powernow(0, 0, 0);
+	return (unsigned long) (acpigen_get_current());
+}
+
+unsigned long write_acpi_tables(unsigned long start)
+{
+	unsigned long current;
+	acpi_rsdp_t *rsdp;
+	acpi_srat_t *srat;
+	acpi_rsdt_t *rsdt;
+	acpi_mcfg_t *mcfg;
+	acpi_hpet_t *hpet;
+	acpi_madt_t *madt;
+	acpi_fadt_t *fadt;
+	acpi_facs_t *facs;
+	acpi_slit_t *slit;
+	acpi_header_t *ssdt;
+	acpi_header_t *dsdt;
+
+	/* Align ACPI tables to 16 byte. */
+	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:     * FACS\n");
+
+	/* we should align FACS to 64B as per ACPI specs */
+	current = ALIGN(current, 64);
+	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 iasl 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);
+
+	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:    * MCFG\n");
+	mcfg = (acpi_mcfg_t *) current;
+	acpi_create_mcfg(mcfg);
+	current += mcfg->header.length;
+	acpi_add_table(rsdt, mcfg);
+
+	printk_debug("ACPI:    * SRAT\n");
+	srat = (acpi_srat_t *) current;
+	acpi_create_srat(srat);
+	current += srat->header.length;
+	acpi_add_table(rsdt, srat);
+
+	/* SLIT */
+	printk_debug("ACPI:    * SLIT\n");
+	slit = (acpi_slit_t *) current;
+	acpi_create_slit(slit);
+	current+=slit->header.length;
+	acpi_add_table(rsdt,slit);
+
+	/* SSDT */
+	printk_debug("ACPI:    * SSDT\n");
+	ssdt = (acpi_header_t *)current;
+
+	acpi_create_ssdt_generator(ssdt, "DYNADATA");
+	current += ssdt->length;
+	acpi_add_table(rsdt, ssdt);
+
+	printk_info("ACPI: done.\n");
+	return current;
+}