Author: stepan Date: Sun Apr 11 20:57:10 2010 New Revision: 5405 URL: https://tracker.coreboot.org/trac/coreboot/changeset/5405
Log: add support for reading ip1000 gpios.
Signed-off-by: Stefan Reinauer stepan@coresystems.de Acked-by: Ronald G. Minnich rminnich@gmail.com
Modified: trunk/src/mainboard/thomson/ip1000/mainboard.c
Modified: trunk/src/mainboard/thomson/ip1000/mainboard.c ============================================================================== --- trunk/src/mainboard/thomson/ip1000/mainboard.c Sun Apr 11 20:54:47 2010 (r5404) +++ trunk/src/mainboard/thomson/ip1000/mainboard.c Sun Apr 11 20:57:10 2010 (r5405) @@ -2,11 +2,11 @@ * This file is part of the coreboot project. * * Copyright (C) 2008-2010 Joseph Smith joe@settoplinux.org + * Copyright (C) 2010 Stefan Reinauer stepan@openbios.org * * 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; either version 2 of the License, or - * (at your option) any later version. + * 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 @@ -18,9 +18,12 @@ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
+#include <console/console.h> #include <device/device.h> #include <boot/tables.h> +#include <delay.h> #include <arch/coreboot_tables.h> +#include <arch/io.h> #include "chip.h"
int add_mainboard_resources(struct lb_memory *mem) @@ -28,14 +31,85 @@ 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"); + } +} + static void mainboard_init(device_t dev) { - // TODO Switch parport LEDs again + parport_gpios(); + flash_gpios(); }
static void mainboard_enable(device_t dev) { - // TODO Switch parport LEDs dev->ops->init = mainboard_init; }