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Add support for the NSC PC87309 Super I/O. 

Pre-RAM serial output on COM1 and COM2 has been tested. The rest is not
yet tested on real hardware.

Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2574 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Uwe Hermann 2007-03-31 19:45:24 +00:00
parent 5445639f06
commit 3a66263ff6
5 changed files with 194 additions and 0 deletions
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23
src/superio/nsc/pc87309/Config.lb Normal file
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##
## This file is part of the LinuxBIOS project.
##
## Copyright (C) 2007 Uwe Hermann <uwe@hermann-uwe.de>
##
## 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.
##
## 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
##
config chip.h
object superio.o

29
src/superio/nsc/pc87309/chip.h Normal file
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/*
* This file is part of the LinuxBIOS project.
*
* Copyright (C) 2007 Uwe Hermann <uwe@hermann-uwe.de>
*
* 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.
*
* 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 <pc80/keyboard.h>
#include <uart8250.h>
extern struct chip_operations superio_nsc_pc87309_ops;
struct superio_nsc_pc87309_config {
struct uart8250 com1, com2;
struct pc_keyboard keyboard;
};

30
src/superio/nsc/pc87309/pc87309.h Normal file
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/*
* This file is part of the LinuxBIOS project.
*
* Copyright (C) 2007 Uwe Hermann <uwe@hermann-uwe.de>
*
* 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.
*
* 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
*/
/* Datasheet: PC87309 SuperI/O Plug and Play Compatible Chip. */
/* Status: Pre-RAM serial output is tested and works. The rest is untested. */
#define PC87309_FDC 0x00 /* Floppy */
#define PC87309_PP 0x01 /* Parallel port */
#define PC87309_SP2 0x02 /* Com2 / IR */
#define PC87309_SP1 0x03 /* Com1 */
#define PC87309_PM 0x04 /* Power management */
#define PC87309_KBCM 0x05 /* Mouse */
#define PC87309_KBCK 0x06 /* Keyboard */

30
src/superio/nsc/pc87309/pc87309_early_serial.c Normal file
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/*
* This file is part of the LinuxBIOS project.
*
* Copyright (C) 2007 Uwe Hermann <uwe@hermann-uwe.de>
*
* 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.
*
* 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 <arch/romcc_io.h>
#include "pc87309.h"
static void pc87309_enable_serial(device_t dev, unsigned int iobase)
{
pnp_set_logical_device(dev);
pnp_set_enable(dev, 0);
pnp_set_iobase(dev, PNP_IDX_IO0, iobase);
pnp_set_enable(dev, 1);
}

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src/superio/nsc/pc87309/superio.c Normal file
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/*
* This file is part of the LinuxBIOS project.
*
* Copyright (C) 2007 Uwe Hermann <uwe@hermann-uwe.de>
*
* 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.
*
* 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 <arch/io.h>
#include <device/device.h>
#include <device/pnp.h>
#include <uart8250.h>
#include <pc80/keyboard.h>
#include "chip.h"
#include "pc87309.h"
static void init(device_t dev)
{
struct superio_nsc_pc87309_config *conf;
struct resource *res0, *res1;
if (!dev->enabled) {
return;
}
conf = dev->chip_info;
switch (dev->path.u.pnp.device) {
case PC87309_SP1:
res0 = find_resource(dev, PNP_IDX_IO0);
init_uart8250(res0->base, &conf->com1);
break;
case PC87309_SP2:
res0 = find_resource(dev, PNP_IDX_IO0);
init_uart8250(res0->base, &conf->com2);
break;
case PC87309_KBCK:
res0 = find_resource(dev, PNP_IDX_IO0);
res1 = find_resource(dev, PNP_IDX_IO1);
init_pc_keyboard(res0->base, res1->base, &conf->keyboard);
break;
}
}
static struct device_operations ops = {
.read_resources = pnp_read_resources,
.set_resources = pnp_set_resources,
.enable_resources = pnp_enable_resources,
.enable = pnp_enable,
.init = init,
};
static struct pnp_info pnp_dev_info[] = {
{&ops, PC87309_FDC, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, {0x07fa, 0},},
{&ops, PC87309_PP, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, {0x04f8, 0},},
{&ops, PC87309_SP2, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0 | PNP_DRQ1, {0x7f8, 0},},
{&ops, PC87309_SP1, PNP_IO0 | PNP_IRQ0, {0x7f8, 0},},
// TODO: PM.
{&ops, PC87309_KBCM, PNP_IRQ0},
{&ops, PC87309_KBCK, PNP_IO0 | PNP_IO1 | PNP_IRQ0, {0x7f8, 0}, {0x7f8, 0x4},},
};
static void enable_dev(struct device *dev)
{
pnp_enable_devices(dev, &pnp_ops,
sizeof(pnp_dev_info) / sizeof(pnp_dev_info[0]), pnp_dev_info);
}
struct chip_operations superio_nsc_pc87309_ops = {
CHIP_NAME("NSC PC87309 Super I/O")
.enable_dev = enable_dev,
};