| /* |
| * 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 |
| */ |
| |
| #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 <console/console.h> |
| #include <lib.h> |
| #include "northbridge/via/cx700/raminit.h" |
| #include "cpu/x86/bist.h" |
| #include "drivers/pc80/udelay_io.c" |
| #include "lib/delay.c" |
| #include "northbridge/via/cx700/early_smbus.c" |
| #include "lib/debug.c" |
| #include "northbridge/via/cx700/early_serial.c" |
| #include "northbridge/via/cx700/raminit.c" |
| #include <spd.h> |
| |
| 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); |
| } |
| |
| void main(unsigned long bist) |
| { |
| /* Set statically so it should work with cx700 as well */ |
| static const struct mem_controller cx700[] = { |
| { |
| .channel0 = {DIMM0, DIMM1}, |
| }, |
| }; |
| |
| enable_smbus(); |
| |
| enable_cx700_serial(); |
| 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); |
| } |