2 * This file is part of the coreboot project.
4 * Copyright (C) 2008-2010 Joseph Smith <joe@settoplinux.org>
5 * Copyright (C) 2010 Stefan Reinauer <stepan@openbios.org>
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; version 2 of the License.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
21 #include <console/console.h>
22 #include <device/device.h>
23 #include <boot/tables.h>
25 #if CONFIG_PCI_OPTION_ROM_RUN_YABEL
26 #include <x86emu/x86emu.h>
28 #include <arch/coreboot_tables.h>
32 int add_mainboard_resources(struct lb_memory *mem)
34 return add_northbridge_resources(mem);
37 // setting the bit disables the led.
38 #define PARPORT_GPIO_LED_GREEN (1 << 0)
39 #define PARPORT_GPIO_LED_ORANGE (1 << 1)
40 #define PARPORT_GPIO_LED_RED (1 << 2)
41 #define PARPORT_GPIO_IR_PORT (1 << 6)
43 static u8 get_parport_gpio(void)
48 static void set_parport_gpio(u8 gpios)
53 static void parport_gpios(void)
55 u8 pp_gpios = get_parport_gpio();
58 pp_gpios |= PARPORT_GPIO_LED_RED;
59 set_parport_gpio(pp_gpios);
61 pp_gpios = get_parport_gpio();
63 printk(BIOS_DEBUG, "IP1000 GPIOs:\n");
64 printk(BIOS_DEBUG, " GPIO mask: %02x\n", pp_gpios);
65 printk(BIOS_DEBUG, " green led: %s\n",
66 (pp_gpios & PARPORT_GPIO_LED_GREEN) ? "off" : "on");
67 printk(BIOS_DEBUG, " orange led: %s\n",
68 (pp_gpios & PARPORT_GPIO_LED_ORANGE) ? "off" : "on");
69 printk(BIOS_DEBUG, " red led: %s\n",
70 (pp_gpios & PARPORT_GPIO_LED_RED) ? "off" : "on");
71 printk(BIOS_DEBUG, " IR port: %s\n",
72 (pp_gpios & PARPORT_GPIO_IR_PORT) ? "off" : "on");
75 static void flash_gpios(void)
77 u8 manufacturer_id = read8(0xffbc0000);
78 u8 device_id = read8(0xffbc0001);
80 if ((manufacturer_id == 0x20) &&
81 ((device_id == 0x2c) || (device_id == 0x2d))) {
82 printk(BIOS_DEBUG, "Detected ST M50FW0%c0 flash:\n",
83 (device_id==0x2c)?'4':'8');
84 u8 fgpi = read8(0xffbc0100);
85 printk(BIOS_DEBUG, " FGPI0 [%c] FGPI1 [%c] FGPI2 [%c] FGPI3 [%c] FGPI4 [%c]\n",
86 (fgpi & (1 << 0)) ? 'X' : ' ',
87 (fgpi & (1 << 1)) ? 'X' : ' ',
88 (fgpi & (1 << 2)) ? 'X' : ' ',
89 (fgpi & (1 << 3)) ? 'X' : ' ',
90 (fgpi & (1 << 4)) ? 'X' : ' ');
92 printk(BIOS_DEBUG, "No ST M50FW040/M50FW080 flash, don't read FGPI.\n");
97 #if CONFIG_PCI_OPTION_ROM_RUN_YABEL
98 static int int15_handler(void)
100 #define BOOT_DISPLAY_DEFAULT 0
101 #define BOOT_DISPLAY_CRT (1 << 0)
102 #define BOOT_DISPLAY_TV (1 << 1)
103 #define BOOT_DISPLAY_EFP (1 << 2)
104 #define BOOT_DISPLAY_LCD (1 << 3)
105 #define BOOT_DISPLAY_CRT2 (1 << 4)
106 #define BOOT_DISPLAY_TV2 (1 << 5)
107 #define BOOT_DISPLAY_EFP2 (1 << 6)
108 #define BOOT_DISPLAY_LCD2 (1 << 7)
110 printk(BIOS_DEBUG, "%s: AX=%04x BX=%04x CX=%04x DX=%04x\n",
111 __func__, M.x86.R_AX, M.x86.R_BX, M.x86.R_CX, M.x86.R_DX);
113 switch (M.x86.R_AX) {
114 case 0x5f35: /* Boot Display */
115 M.x86.R_AX = 0x005f; // Success
116 //M.x86.R_CL = BOOT_DISPLAY_TV2;
117 M.x86.R_CL = BOOT_DISPLAY_DEFAULT;
119 case 0x5f36: /* Boot TV Format Hook */
120 printk(BIOS_DEBUG, "Boot TV Format Hook. TODO\n");
121 /* Interrupt was not handled */
123 case 0x5f31: /* Post Completion Hook */
124 case 0x5f33: /* Hook After Mode Set */
125 case 0x5f34: /* Set Panel Fitting Hook */
126 case 0x5f38: /* Hook Before Mode Set */
127 case 0x5f45: /* Hook Before VESA VBE/DDC */
128 case 0x5f46: /* Hook Before VESA VBE/PM */
129 case 0x5f47: /* Notif Display Switch Hook */
130 case 0x5f65: /* Local Memory Initialization Hook */
131 /* Interrupt was not handled */
134 /* Interrupt was not handled */
138 /* Interrupt handled */
142 static void int15_install(void)
144 typedef int (* yabel_handleIntFunc)(void);
145 extern yabel_handleIntFunc yabel_intFuncArray[256];
146 yabel_intFuncArray[0x15] = int15_handler;
150 static void mainboard_init(device_t dev)
156 static void mainboard_enable(device_t dev)
158 dev->ops->init = mainboard_init;
159 #if CONFIG_PCI_OPTION_ROM_RUN_YABEL
160 /* Install custom int15 handler for VGA OPROM */
165 struct chip_operations mainboard_ops = {
166 .enable_dev = mainboard_enable,
167 CHIP_NAME("THOMSON IP1000 Mainboard")