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add support for reading ip1000 gpios. 

Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Ronald G. Minnich <rminnich@gmail.com>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5405 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Stefan Reinauer 2010-04-11 18:57:10 +00:00 committed by Stefan Reinauer
parent d93af23d6a
commit 735c5acdce
1 changed files with 78 additions and 4 deletions
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82
src/mainboard/thomson/ip1000/mainboard.c
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@ -2,11 +2,11 @@
* This file is part of the coreboot project. * This file is part of the coreboot project.
* *
* Copyright (C) 2008-2010 Joseph Smith <joe@settoplinux.org> * 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 * 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 * it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or * the Free Software Foundation; version 2 of the License.
* (at your option) any later version.
* *
* This program is distributed in the hope that it will be useful, * This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of * 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 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/ */
#include <console/console.h>
#include <device/device.h> #include <device/device.h>
#include <boot/tables.h> #include <boot/tables.h>
#include <delay.h>
#include <arch/coreboot_tables.h> #include <arch/coreboot_tables.h>
#include <arch/io.h>
#include "chip.h" #include "chip.h"
int add_mainboard_resources(struct lb_memory *mem) int add_mainboard_resources(struct lb_memory *mem)
@ -28,14 +31,85 @@ int add_mainboard_resources(struct lb_memory *mem)
return add_northbridge_resources(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");
}
}
static void mainboard_init(device_t dev) static void mainboard_init(device_t dev)
{ {
// TODO Switch parport LEDs again parport_gpios();
flash_gpios();
} }
static void mainboard_enable(device_t dev) static void mainboard_enable(device_t dev)
{ {
// TODO Switch parport LEDs
dev->ops->init = mainboard_init; dev->ops->init = mainboard_init;
} }