2 * This file is part of the coreboot project.
4 * Copyright (C) 2011 Kyösti Mälkki <kyosti.malkki@gmail.com>
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>
23 #include <device/pnp_def.h>
24 #include <arch/romcc_io.h>
25 #include <cpu/x86/lapic.h>
28 #include <pc80/mc146818rtc.h>
29 #include <console/console.h>
31 #include "southbridge/intel/i82801dx/i82801dx.h"
32 #include "southbridge/intel/i82801dx/early_smbus.c"
33 #include "southbridge/intel/i82801dx/reset.c"
34 #include "northbridge/intel/e7505/raminit.h"
35 #include "northbridge/intel/e7505/debug.c"
36 #include "superio/smsc/lpc47m10x/early_serial.c"
38 #if !CONFIG_CACHE_AS_RAM
39 #include "cpu/x86/lapic/boot_cpu.c"
40 #include "cpu/x86/mtrr/earlymtrr.c"
42 #include "cpu/x86/bist.h"
46 #define SERIAL_DEV PNP_DEV(0x2e, LPC47M10X2_SP1)
48 static inline int spd_read_byte(unsigned device, unsigned address)
50 return smbus_read_byte(device, address);
53 /* Cache-As-Ram compiles for this board, but with the CPUs I have,
54 * it halts on boot while in Local Apic ID negotiation.
57 #if CONFIG_CACHE_AS_RAM
58 #define BOARD_MAIN(x) void main(x)
59 #define early_mtrr_init() do {} while (0)
61 #define BOARD_MAIN(x) static void main(x)
64 #include "northbridge/intel/e7505/raminit.c"
65 #include "northbridge/intel/e7505/reset_test.c"
66 #include "lib/generic_sdram.c"
68 // This function MUST appear last (ROMCC limitation)
69 BOARD_MAIN(unsigned long bist)
71 static const struct mem_controller memctrl[] = {
73 .d0 = PCI_DEV(0, 0, 0),
74 .d0f1 = PCI_DEV(0, 0, 1),
75 .channel0 = { 0x50, 0x52, 0, 0 },
76 .channel1 = { 0x51, 0x53, 0, 0 },
81 // Skip this if there was a built in self test failure
86 // Get the serial port running and print a welcome banner
87 lpc47m10x_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
90 // Halt if there was a built in self test failure
91 report_bist_failure(bist);
93 // If this is a warm boot, some initialization can be skipped
94 if (!bios_reset_detected()) {
96 sdram_initialize(ARRAY_SIZE(memctrl), memctrl);
99 // NOTE: ROMCC dies with an internal compiler error
100 // if the following line is removed.
101 print_debug("SDRAM is up.\r\n");