After this has been brought up many times before, rename src/arch/i386 to
[coreboot.git] / src / mainboard / intel / truxton / romstage.c
1 /*
2  * This file is part of the coreboot project.
3  *
4  * Copyright (C) 2008 Arastra, Inc.
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License version 2 as
8  * published by the Free Software Foundation.
9  *
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.
14  *
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
18  */
19
20 #include <stdint.h>
21 #include <stdlib.h>
22 #include <device/pci_def.h>
23 #include <device/pci_ids.h>
24 #include <arch/io.h>
25 #include <device/pnp_def.h>
26 #include <arch/romcc_io.h>
27 #include <cpu/x86/lapic.h>
28 #include <pc80/mc146818rtc.h>
29 #include "pc80/udelay_io.c"
30 #include <console/console.h>
31 #include "southbridge/intel/i3100/early_smbus.c"
32 #include "southbridge/intel/i3100/early_lpc.c"
33 #include "northbridge/intel/i3100/raminit_ep80579.h"
34 #include "superio/intel/i3100/i3100.h"
35 #include "cpu/x86/lapic/boot_cpu.c"
36 #include "cpu/x86/mtrr/earlymtrr.c"
37 #include "superio/intel/i3100/early_serial.c"
38 #include "cpu/x86/bist.h"
39 #include <spd.h>
40
41 #define DEVPRES_CONFIG  (DEVPRES_D1F0 | DEVPRES_D2F0 | DEVPRES_D3F0 | DEVPRES_D4F0)
42
43 static inline int spd_read_byte(u16 device, u8 address)
44 {
45         return smbus_read_byte(device, address);
46 }
47
48 #include "northbridge/intel/i3100/raminit_ep80579.c"
49 #include "lib/generic_sdram.c"
50 #include "../../intel/jarrell/debug.c"
51 #include "arch/x86/lib/stages.c"
52
53 #define SERIAL_DEV PNP_DEV(0x4e, I3100_SP1)
54
55 static void main(unsigned long bist)
56 {
57         msr_t msr;
58         u16 perf;
59         static const struct mem_controller mch[] = {
60                 {
61                         .node_id = 0,
62                         .f0 = PCI_DEV(0, 0x00, 0),
63                         .channel0 = { DIMM2, DIMM3 },
64                 }
65         };
66
67         if (bist == 0) {
68                 /* Skip this if there was a built in self test failure */
69                 early_mtrr_init();
70                 if (memory_initialized())
71                         skip_romstage();
72         }
73
74         /* Set up the console */
75         i3100_enable_superio();
76         i3100_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
77         i3100_configure_uart_clk(SERIAL_DEV, I3100_UART_CLK_PREDIVIDE_26);
78
79         uart_init();
80         console_init();
81
82         /* Prevent the TCO timer from rebooting us */
83         i3100_halt_tco_timer();
84
85         /* Halt if there was a built in self test failure */
86         report_bist_failure(bist);
87
88 #ifdef TRUXTON_DEBUG
89         print_pci_devices();
90 #endif
91         enable_smbus();
92         dump_spd_registers();
93
94         sdram_initialize(ARRAY_SIZE(mch), mch);
95         dump_pci_devices();
96         dump_pci_device(PCI_DEV(0, 0x00, 0));
97 #ifdef TRUXTON_DEBUG
98         dump_bar14(PCI_DEV(0, 0x00, 0));
99 #endif
100 }