janitor task: unify and cleanup naming.
[coreboot.git] / src / mainboard / via / vt8454c / romstage.c
diff --git a/src/mainboard/via/vt8454c/romstage.c b/src/mainboard/via/vt8454c/romstage.c
new file mode 100644 (file)
index 0000000..e206509
--- /dev/null
@@ -0,0 +1,134 @@
+/*
+ * This file is part of the coreboot project.
+ * 
+ * Copyright (C) 2007-2009 coresystems GmbH
+ *
+ * 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
+ */
+
+#define ASSEMBLY 1
+#define __PRE_RAM__
+
+#include <stdint.h>
+#include <device/pci_def.h>
+#include <device/pci_ids.h>
+#include <arch/io.h>
+#include <device/pnp_def.h>
+#include <arch/romcc_io.h>
+#include <arch/hlt.h>
+#include "pc80/serial.c"
+#include "arch/i386/lib/console.c"
+#include "lib/ramtest.c"
+#include "northbridge/via/cx700/raminit.h"
+#include "cpu/x86/mtrr/earlymtrr.c"
+#include "cpu/x86/bist.h"
+
+#define DEACTIVATE_CAR 1
+#define DEACTIVATE_CAR_FILE "cpu/via/car/cache_as_ram_post.c"
+#include "cpu/x86/car/copy_and_run.c"
+#include "pc80/udelay_io.c"
+#include "lib/delay.c"
+#include "cpu/x86/lapic/boot_cpu.c"
+#include "northbridge/via/cx700/cx700_early_smbus.c"
+#include "debug.c"
+
+#include "northbridge/via/cx700/cx700_early_serial.c"
+#include "northbridge/via/cx700/raminit.c"
+
+static void enable_mainboard_devices(void)
+{
+       device_t dev;
+
+       dev = pci_locate_device(PCI_ID(0x1106, 0x8324), 0);
+       if (dev == PCI_DEV_INVALID) {
+               die("LPC bridge not found!!!\n");
+       }
+       // Disable GP3 
+       pci_write_config8(dev, 0x98, 0x00);
+
+       // Disable mc97
+       pci_write_config8(dev, 0x50, 0x80);
+
+       // Disable internal KBC Configuration
+       pci_write_config8(dev, 0x51, 0x2d);
+       pci_write_config8(dev, 0x58, 0x42);
+       pci_write_config8(dev, 0x59, 0x80);
+       pci_write_config8(dev, 0x5b, 0x01);
+
+       // Enable P2P Bridge Header for External PCI BUS.
+       dev = pci_locate_device(PCI_ID(0x1106, 0x324e), 0);
+       if (dev == PCI_DEV_INVALID) {
+               die("P2P bridge not found!!!\n");
+       }
+       pci_write_config8(dev, 0x4f, 0x41);
+
+       // Switch SATA to non-RAID mode
+       dev = pci_locate_device(PCI_ID(0x1106, 0x0581), 0);
+       if (dev != PCI_DEV_INVALID) {
+               pci_write_config16(dev, 0xBA, 0x5324);
+       }
+}
+
+static void enable_shadow_ram(const struct mem_controller *ctrl)
+{
+       u8 shadowreg;
+
+       pci_write_config8(PCI_DEV(0, 0, 3), 0x80, 0x2a);
+
+       /* 0xf0000-0xfffff - ACPI tables */
+       shadowreg = pci_read_config8(PCI_DEV(0, 0, 3), 0x83);
+       shadowreg |= 0x30;
+       pci_write_config8(PCI_DEV(0, 0, 3), 0x83, shadowreg);
+}
+
+static void main(unsigned long bist)
+{
+       /* Set statically so it should work with cx700 as well */
+       static const struct mem_controller cx700[] = {
+               {
+                       .channel0 = {0x50, 0x51},
+               },
+       };
+
+       enable_smbus();
+
+       enable_cx700_serial();
+       uart_init();
+       console_init();
+
+       /* Halt if there was a built in self test failure */
+       report_bist_failure(bist);
+
+       enable_mainboard_devices();
+
+       /* Allows access to all northbridge devices */
+       pci_write_config8(PCI_DEV(0, 0, 0), 0x4f, 0x01);
+
+       sdram_set_registers(cx700);
+       enable_shadow_ram(cx700);
+       sdram_enable(cx700);
+
+#ifdef DEACTIVATE_CAR
+       print_debug("Deactivating CAR");
+#include DEACTIVATE_CAR_FILE
+       print_debug(" - Done.\r\n");
+#endif
+       copy_and_run(0);
+}
+
+void amd64_main(unsigned long bist) {
+       main(bist);
+}