/* * This file is part of the coreboot project. * * Copyright (C) 2012 Rudolf Marek * * 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. */ #include #include #include #include #include #include #include "arch/x86/romcc_console.c" #include #include static void main(void) { uint32_t tmp; post_code(0x05); /* Set timer1 to pulse generator 15us for memory refresh */ outb(0x54, 0x43); outb(0x12, 0x41); /* CPU setup, romcc pukes on invd() */ asm volatile ("invd"); enable_cache(); /* Set serial base */ pci_write_config32(PCI_DEV(0,7,0), 0x54, 0x3f8); /* serial IRQ disable, LPC disable, COM2 goes to LPC, internal UART for COM1 */ pci_write_config32(PCI_DEV(0,7,0), 0x50, 0x84101012); console_init(); /* memory init */ pci_write_config32(PCI_DEV(0,0,0), 0x68, 0x6c99f); pci_write_config32(PCI_DEV(0,0,0), 0x6c, 0x800451); pci_write_config32(PCI_DEV(0,0,0), 0x70, 0x4000003); /* memory phase/buffer strength for read and writes */ tmp = pci_read_config32(PCI_DEV(0,0,0), 0x64); tmp &= 0x0FF00FFFF; tmp |= 0x790000; pci_write_config32(PCI_DEV(0,0,0), 0x64, tmp); /* Route Cseg, Dseg, Eseg and Fseg to RAM */ pci_write_config32(PCI_DEV(0,0,0), 0x84, 0x3ffffff0); }