2 * This file is part of the coreboot project.
4 * Copyright (C) 2012 Rudolf Marek <r.marek@assembler.cz>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; version 2 of the License.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
21 #include <device/pci_def.h>
22 #include <device/pci_ids.h>
24 #include <device/pnp_def.h>
25 #include <arch/romcc_io.h>
27 #include <pc80/mc146818rtc.h>
28 #include <console/console.h>
29 #include <cpu/x86/cache.h>
31 static void main(void)
36 /* Set timer1 to pulse generator 15us for memory refresh */
40 /* CPU setup, romcc pukes on invd() */
41 asm volatile ("invd");
45 pci_write_config32(PCI_DEV(0,7,0), 0x54, 0x3f8);
46 /* serial IRQ disable, LPC disable, COM2 goes to LPC, internal UART for COM1 */
47 pci_write_config32(PCI_DEV(0,7,0), 0x50, 0x84101012);
52 pci_write_config32(PCI_DEV(0,0,0), 0x68, 0x6c99f);
53 pci_write_config32(PCI_DEV(0,0,0), 0x6c, 0x800451);
54 pci_write_config32(PCI_DEV(0,0,0), 0x70, 0x4000003);
56 /* memory phase/buffer strength for read and writes */
57 tmp = pci_read_config32(PCI_DEV(0,0,0), 0x64);
60 pci_write_config32(PCI_DEV(0,0,0), 0x64, tmp);
61 /* Route Cseg, Dseg, Eseg and Fseg to RAM */
62 pci_write_config32(PCI_DEV(0,0,0), 0x84, 0x3ffffff0);