This patch implements support for the CPU core of the Intel EP80579

Integrated Processor.

Signed-off-by: Ed Swierk <eswierk@arastra.com>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3534 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

1 files changed, 66 insertions, 0 deletions

diff --git a/src/cpu/intel/ep80579/ep80579_init.c b/src/cpu/intel/ep80579/ep80579_init.c
new file mode 100644
index 0000000000..9416089df2
--- /dev/null
+++ b/src/cpu/intel/ep80579/ep80579_init.c
@@ -0,0 +1,66 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008 Arastra, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 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 <device/device.h>
+#include <device/pci.h>
+#include <string.h>
+#include <cpu/cpu.h>
+#include <cpu/x86/mtrr.h>
+#include <cpu/x86/msr.h>
+#include <cpu/x86/lapic.h>
+#include <cpu/intel/microcode.h>
+#include <cpu/x86/cache.h>
+#include <cpu/x86/mtrr.h>
+
+static u32 microcode_updates[] = {
+	/*  Dummy terminator  */
+	0x0, 0x0, 0x0, 0x0,
+	0x0, 0x0, 0x0, 0x0,
+	0x0, 0x0, 0x0, 0x0,
+	0x0, 0x0, 0x0, 0x0,
+};
+
+static void ep80579_init(device_t dev)
+{
+	/* Turn on caching if we haven't already */
+	x86_enable_cache();
+	x86_setup_mtrrs(36);
+	x86_mtrr_check();
+
+	/* Update the microcode */
+	intel_update_microcode(microcode_updates);
+
+	/* Enable the local cpu apics */
+	setup_lapic();
+};
+
+static struct device_operations cpu_dev_ops = {
+	.init = ep80579_init,
+};
+
+static struct cpu_device_id cpu_table[] = {
+	{ X86_VENDOR_INTEL, 0x10650 }, /* EP80579 */
+	{ 0, 0 },
+};
+
+static struct cpu_driver driver __cpu_driver = {
+	.ops = &cpu_dev_ops,
+	.id_table = cpu_table,
+};