Drop \r\n and \n\r as both print_XXX and printk now do this internally.
[coreboot.git] / src / mainboard / via / epia-n / romstage.c
1 /*
2  * This file is part of the coreboot project.
3  *
4  * Copyright (C) 2008 VIA Technologies, Inc.
5  * (Written by Aaron Lwe <aaron.lwe@gmail.com> for VIA)
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation; either version 2 of the License, or
10  * (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
20  */
21
22 #include <stdint.h>
23 #include <device/pci_def.h>
24 #include <device/pci_ids.h>
25 #include <arch/io.h>
26 #include <device/pnp_def.h>
27 #include <arch/romcc_io.h>
28 #include <arch/hlt.h>
29 #include "pc80/serial.c"
30 #include "console/console.c"
31 #include "lib/ramtest.c"
32 #include "northbridge/via/cn400/raminit.h"
33 #include "cpu/x86/mtrr/earlymtrr.c"
34 #include "cpu/x86/bist.h"
35 #include "pc80/udelay_io.c"
36 #include "lib/delay.c"
37 #include "cpu/x86/lapic/boot_cpu.c"
38 #include "southbridge/via/vt8237r/vt8237r_early_smbus.c"
39 #include "superio/winbond/w83697hf/w83697hf_early_serial.c"
40
41 #define SERIAL_DEV PNP_DEV(0x2e, W83697HF_SP1)
42
43 /*
44  * NOOB ::                      
45  * d0f0 - Device 0 Function 0 etc. 
46  */
47 static const struct mem_controller ctrl = {
48         .d0f0 = 0x0000,
49         .d0f2 = 0x2000,
50         .d0f3 = 0x3000,
51         .d0f4 = 0x4000,
52         .d0f7 = 0x7000,
53         .d1f0 = 0x8000,
54         .channel0 = { 0x50 },
55 };
56
57 static void memreset_setup(void)
58 {
59 }
60
61 static inline int spd_read_byte(unsigned device, unsigned address)
62 {
63         return smbus_read_byte(device, address);
64 }
65
66 #include "northbridge/via/cn400/raminit.c"
67
68 static void enable_mainboard_devices(void)
69 {
70         device_t dev;
71         u8 reg;
72  
73         dev = pci_locate_device(PCI_ID(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_VT8237R_LPC), 0);
74         if (dev == PCI_DEV_INVALID)
75                 die("Southbridge not found!!!\n");
76
77         /* bit=0 means enable function (per VT8237R datasheet)
78          *   7 17.6 MC97
79          *   6 17.5 AC97
80          *   5 16.1 USB 2
81          *   4 16.0 USB 1
82          *   3 15.0 SATA and PATA
83          *   2 16.2 USB 3
84          *   1 16.4 USB EHCI
85          */
86         pci_write_config8(dev, 0x50, 0xC0);
87
88         /*bit=0 means enable internal function (per VT8237R datasheet)
89          *   7 USB Device Mode
90          *bit=1 means enable internal function (per VT8237R datasheet)
91          *   6 Reserved
92          *   5 LAN Controller Clock Gating
93          *   4 LAN Controller
94          *   3 Internal RTC
95          *   2 Internal PS2 Mouse
96          *   1 Internal KBC Configuration
97          *   0 Internal Keyboard Controller
98          */
99         pci_write_config8(dev, 0x51, 0x9d);
100 }
101
102 static void enable_shadow_ram(void) 
103 {
104         unsigned char shadowreg;
105         
106         shadowreg = pci_read_config8(ctrl.d0f3, 0x82);
107         /* 0xf0000-0xfffff Read/Write*/
108         shadowreg |= 0x30;
109         pci_write_config8(ctrl.d0f3, 0x82, shadowreg);
110 }
111
112 static void main(unsigned long bist)
113 {
114         unsigned long x;
115         device_t dev;
116
117         /* Enable multifunction for northbridge. */
118         pci_write_config8(ctrl.d0f0, 0x4f, 0x01);
119
120         w83697hf_set_clksel_48(SERIAL_DEV);
121
122         w83697hf_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
123
124         uart_init();
125         console_init();
126
127         print_spew("In romstage.c:main()\n");
128
129         enable_smbus();
130         smbus_fixup(&ctrl);
131
132         /* Halt if there was a built-in self test failure. */
133         report_bist_failure(bist);
134
135         print_debug("Enabling mainboard devices\n");
136         enable_mainboard_devices();
137
138         print_debug("Enable F-ROM Shadow RAM\n");
139         enable_shadow_ram();
140         
141         /* setup cpu */
142         print_debug("Setup CPU Interface\n");
143         c3_cpu_setup(ctrl.d0f2);        
144
145         ddr_ram_setup();
146
147         if (bist == 0) {
148                 print_debug("doing early_mtrr\n");
149                 early_mtrr_init();
150         }
151         
152         //ram_check(0, 640 * 1024);
153
154         print_spew("Leaving romstage.c:main()\n");
155 }
156