/* * This file is part of the coreboot project. * * Copyright (C) 2008-2010 Joseph Smith * Copyright (C) 2010 Stefan Reinauer * * 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. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #if CONFIG_PCI_OPTION_ROM_RUN_YABEL #include #endif #include #include #include "chip.h" int add_mainboard_resources(struct lb_memory *mem) { return add_northbridge_resources(mem); } // setting the bit disables the led. #define PARPORT_GPIO_LED_GREEN (1 << 0) #define PARPORT_GPIO_LED_ORANGE (1 << 1) #define PARPORT_GPIO_LED_RED (1 << 2) #define PARPORT_GPIO_IR_PORT (1 << 6) static u8 get_parport_gpio(void) { return inb(0x378); } static void set_parport_gpio(u8 gpios) { outb(gpios, 0x378); } static void parport_gpios(void) { u8 pp_gpios = get_parport_gpio(); /* disable red led */ pp_gpios |= PARPORT_GPIO_LED_RED; set_parport_gpio(pp_gpios); pp_gpios = get_parport_gpio(); printk(BIOS_DEBUG, "IP1000 GPIOs:\n"); printk(BIOS_DEBUG, " GPIO mask: %02x\n", pp_gpios); printk(BIOS_DEBUG, " green led: %s\n", (pp_gpios & PARPORT_GPIO_LED_GREEN) ? "off" : "on"); printk(BIOS_DEBUG, " orange led: %s\n", (pp_gpios & PARPORT_GPIO_LED_ORANGE) ? "off" : "on"); printk(BIOS_DEBUG, " red led: %s\n", (pp_gpios & PARPORT_GPIO_LED_RED) ? "off" : "on"); printk(BIOS_DEBUG, " IR port: %s\n", (pp_gpios & PARPORT_GPIO_IR_PORT) ? "off" : "on"); } static void flash_gpios(void) { u32 flash_base = 0xfff80000; u8 manufacturer_id, device_id; // reset mode write8(flash_base, 0xff); udelay(10); // read id write8(flash_base, 0x90); udelay(10); manufacturer_id = read8(flash_base); device_id = read8(flash_base + 1); // reset mode write8(flash_base, 0xff); udelay(10); if ((manufacturer_id == 0x20) && ((device_id == 0x2c) || (device_id == 0x2d))) { printk(BIOS_DEBUG, "Detected ST M50FW0%c0 flash:\n", (device_id==0x2c)?'4':'8'); u8 fgpi = read8(0xffbc0100); printk(BIOS_DEBUG, " FGPI0 [%c] FGPI1 [%c] FGPI2 [%c] FGPI3 [%c] FGPI4 [%c]", (fgpi & (1 << 0)) ? 'X' : ' ', (fgpi & (1 << 1)) ? 'X' : ' ', (fgpi & (1 << 2)) ? 'X' : ' ', (fgpi & (1 << 3)) ? 'X' : ' ', (fgpi & (1 << 4)) ? 'X' : ' '); } else { printk(BIOS_DEBUG, "No ST M50FW040/M50FW080 flash, don't read FGPI.\n"); } } #if CONFIG_PCI_OPTION_ROM_RUN_YABEL static int int15_handler(void) { u8 display_id; #define BOOT_DISPLAY_DEFAULT 0 #define BOOT_DISPLAY_CRT (1 << 0) #define BOOT_DISPLAY_TV (1 << 1) #define BOOT_DISPLAY_EFP (1 << 2) #define BOOT_DISPLAY_LCD (1 << 3) #define BOOT_DISPLAY_CRT2 (1 << 4) #define BOOT_DISPLAY_TV2 (1 << 5) #define BOOT_DISPLAY_EFP2 (1 << 6) #define BOOT_DISPLAY_LCD2 (1 << 7) printk(BIOS_DEBUG, "%s: AX=%04x BX=%04x CX=%04x DX=%04x\n", __func__, M.x86.R_AX, M.x86.R_BX, M.x86.R_CX, M.x86.R_DX); switch (M.x86.R_AX) { case 0x5f35: /* Boot Display */ M.x86.R_AX = 0x005f; // Success // M.x86.R_CL = BOOT_DISPLAY_TV; M.x86.R_CL = BOOT_DISPLAY_DEFAULT; break; case 0x5f36: /* Boot TV Format Hook */ printk(BIOS_DEBUG, "Boot TV Format Hook. TODO\n"); /* Interrupt was not handled */ return 0; case 0x5f31: /* Post Completion Hook */ case 0x5f33: /* Hook After Mode Set */ case 0x5f34: /* Set Panel Fitting Hook */ case 0x5f38: /* Hook Before Mode Set */ case 0x5f45: /* Hook Before VESA VBE/DDC */ case 0x5f46: /* Hook Before VESA VBE/PM */ case 0x5f47: /* Notif Display Switch Hook */ case 0x5f65: /* Local Memory Initialization Hook */ /* Interrupt was not handled */ return 0; default: /* Interrupt was not handled */ return 0; } /* Interrupt handled */ return 1; } static void int15_install(void) { typedef int (* yabel_handleIntFunc)(void); extern yabel_handleIntFunc yabel_intFuncArray[256]; yabel_intFuncArray[0x15] = int15_handler; } #endif static void mainboard_init(device_t dev) { parport_gpios(); flash_gpios(); } static void mainboard_enable(device_t dev) { dev->ops->init = mainboard_init; #if CONFIG_PCI_OPTION_ROM_RUN_YABEL /* Install custom int15 handler for VGA OPROM */ int15_install(); #endif } struct chip_operations mainboard_ops = { .enable_dev = mainboard_enable, CHIP_NAME("THOMSON IP1000 Mainboard") };