740b587baa
PS/2 keyboard API. Signed-off-by: Stefan Reinauer <stepan@coresystems.de> Acked-by: Patrick Georgi <patrick.georgi@coresystems.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5152 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
107 lines
3.1 KiB
C
107 lines
3.1 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2000 AG Electronics Ltd.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <arch/io.h>
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#include <console/console.h>
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#include <device/device.h>
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#include <device/pnp.h>
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#include <stdlib.h>
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#include "chip.h"
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#include "pc97307.h"
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static void init(device_t dev)
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{
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struct superio_nsc_pc97307_config *conf;
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struct resource *res0, *res1;
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if (!dev->enabled) {
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return;
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}
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conf = dev->chip_info;
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switch(dev->path.pnp.device) {
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case PC97307_SP1:
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res0 = find_resource(dev, PNP_IDX_IO0);
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init_uart8250(res0->base, &conf->com1);
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break;
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case PC97307_SP2:
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res0 = find_resource(dev, PNP_IDX_IO0);
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init_uart8250(res0->base, &conf->com2);
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break;
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case PC97307_KBCK:
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/* Enable keyboard */
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pnp_set_logical_device(dev);
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pnp_set_enable(dev, 0); /* Disable keyboard */
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pnp_write_config(dev, 0xf0, 0x40); /* Set KBC clock to 8 Mhz */
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pnp_set_enable(dev, 1); /* Enable keyboard */
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res0 = find_resource(dev, PNP_IDX_IO0);
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res1 = find_resource(dev, PNP_IDX_IO1);
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pc_keyboard_init(&conf->keyboard);
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break;
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case PC97307_FDC:
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{
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unsigned reg;
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/* Set up floppy in PS/2 mode */
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outb(0x09, SIO_CONFIG_RA);
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reg = inb(SIO_CONFIG_RD);
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reg = (reg & 0x3F) | 0x40;
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outb(reg, SIO_CONFIG_RD);
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outb(reg, SIO_CONFIG_RD); /* Have to write twice to change! */
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break;
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}
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default:
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break;
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}
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}
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static struct device_operations ops = {
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.read_resources = pnp_read_resources,
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.set_resources = pnp_set_resources,
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.enable_resources = pnp_enable_resources,
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.enable = pnp_enable,
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.init = init,
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};
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static struct pnp_info pnp_dev_info[] = {
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{ &ops, PC97307_KBCK, PNP_IO0 | PNP_IO1 | PNP_IRQ0, { 0xffb, 0 }, { 0xffb, 0x4}, },
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{ &ops, PC97307_KBCM, PNP_IRQ0 },
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{ &ops, PC97307_RTC, PNP_IO0 | PNP_IRQ0, { 0xfffe, 0}, },
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{ &ops, PC97307_FDC, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0xfffa, 0}, },
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{ &ops, PC97307_PP, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0x03fc, 0}, },
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{ &ops, PC97307_SP2, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0 | PNP_DRQ1, { 0xfff8, 0 }, },
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{ &ops, PC97307_SP1, PNP_IO0 | PNP_IRQ0, { 0xfff8, 0 }, },
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{ &ops, PC97307_GPIO, PNP_IO0, { 0xfff8, 0 } },
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{ &ops, PC97307_PM, PNP_IO0, { 0xfffe, 0 } },
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};
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static void enable_dev(struct device *dev)
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{
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pnp_enable_devices(dev, &ops,
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ARRAY_SIZE(pnp_dev_info), pnp_dev_info);
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}
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struct chip_operations superio_nsc_pc97307_ops = {
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CHIP_NAME("NSC PC97307 Super I/O")
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.enable_dev = enable_dev,
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};
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