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Add support for the SMSC FDC37M60x Super I/O (tested on FDC37M602). 

Serial output on serial port 1 is tested and works, the rest probably not yet.

Closes #59.

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@2525 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Uwe Hermann 2006-12-14 14:26:46 +00:00
parent abad5ef854
commit af433f2197
5 changed files with 263 additions and 0 deletions
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23
src/superio/smsc/fdc37m60x/Config.lb Normal file
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##
## This file is part of the LinuxBIOS project.
##
## Copyright (C) 2006 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

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src/superio/smsc/fdc37m60x/chip.h Normal file
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/*
* This file is part of the LinuxBIOS project.
*
* Copyright (C) 2006 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
*/
#ifndef _SUPERIO_SMSC_FDC37M60X
#define _SUPERIO_SMSC_FDC37M60X
#include <device/device.h>
#include <pc80/keyboard.h>
#include <uart8250.h>
extern struct chip_operations superio_smsc_fdc37m60x_ops;
struct superio_smsc_fdc37m60x_config {
struct uart8250 com1, com2;
struct pc_keyboard keyboard;
};
#endif /* _SUPERIO_SMSC_FDC37M60X */

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src/superio/smsc/fdc37m60x/fdc37m60x.h Normal file
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/*
* This file is part of the LinuxBIOS project.
*
* Copyright (C) 2006 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:
* - Name: FDC37M60x Enhanced Super I/O Controller with Infrared Support.
* - URL: http://www.smsc.com/main/discfdc.html
* - PDF: http://www.smsc.com/main/tools/discontinued/37m602.pdf
* - Revision: 6/6/97
*/
/* Status: Serial port 1 is tested and works (tested on FDC37M602). */
/* Note: Logical devices 1, 2, 6, and 9 are reserved. */
#define FDC37M60X_FDC 0x00 /* Floppy */
#define FDC37M60X_PP 0x03 /* Parallel port */
#define FDC37M60X_SP1 0x04 /* Com1 */
#define FDC37M60X_SP2 0x05 /* Com2 */
#define FDC37M60X_KBCK 0x07 /* Keyboard */
#define FDC37M60X_AUX 0x08 /* Auxiliary I/O */

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src/superio/smsc/fdc37m60x/fdc37m60x_early_serial.c Normal file
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/*
* This file is part of the LinuxBIOS project.
*
* Copyright (C) 2006 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 "fdc37m60x.h"
/* The base address is 0x3f0 or 0x370, depending on the SYSOPT pin. */
#define SIO_BASE 0x3f0
#define SIO_INDEX SIO_BASE
#define SIO_DATA SIO_BASE+1
/* Global configuration registers. */
#define FDC37M60X_CONFIG_REG_CC 0x02 /* Configure Control. */
#define FDC37M60X_CONFIG_REG_LDN 0x07 /* Logical Device Number. */
#define FDC37M60X_CONFIG_POWER_CONTROL 0x22 /* Power Control. */
#define FDC37M60X_CONFIG_POWER_MGMT 0x23 /* Intelligent Power Mgmt. */
#define FDC37M60X_CONFIG_OSC 0x24 /* OSC. */
#define FDC37M60X_CONFIGURATION_PORT 0x3f0 /* Write-only. */
/* The content of FDC37M60X_CONFIG_REG_LDN (index 0x07) must be set to the
LDN the register belongs to, before you can access the register. */
static void fdc37m60x_sio_write(uint8_t ldn, uint8_t index, uint8_t value)
{
outb(FDC37M60X_CONFIG_REG_LDN, SIO_BASE);
outb(ldn, SIO_DATA);
outb(index, SIO_BASE);
outb(value, SIO_DATA);
}
/* Enable the peripheral devices on the FDC37M60X Super I/O chip. */
static void fdc37m60x_enable_serial(device_t dev, unsigned iobase)
{
/* (1) Enter the configuration state. */
outb(0x55, FDC37M60X_CONFIGURATION_PORT);
/* (2) Modify the data of configuration registers. */
/* Power on all devices by setting the respective bit.
Bits: 0 (FDC), 3 (PP), 4 (Com1), 5 (Com2). The rest is reserved. */
fdc37m60x_sio_write(0x00, FDC37M60X_CONFIG_POWER_CONTROL, 0x39);
/* Disable intelligent power management. */
fdc37m60x_sio_write(0x00, FDC37M60X_CONFIG_POWER_MGMT, 0x00);
/* Turn on OSC, turn on BRG clock. */
fdc37m60x_sio_write(0x00, FDC37M60X_CONFIG_OSC, 0x04);
/* Configure serial port 1. */
fdc37m60x_sio_write(FDC37M60X_SP1, 0x60, 0x03);
fdc37m60x_sio_write(FDC37M60X_SP1, 0x61, 0xf8); /* I/O 0x3f8 */
fdc37m60x_sio_write(FDC37M60X_SP1, 0x70, 0x04); /* IRQ 4 */
fdc37m60x_sio_write(FDC37M60X_SP1, 0xf0, 0x00); /* Normal */
/* Enable serial port 1. */
fdc37m60x_sio_write(FDC37M60X_SP1, 0x30, 0x01);
/* (3) Exit the configuration state. */
outb(0xaa, FDC37M60X_CONFIGURATION_PORT);
}

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src/superio/smsc/fdc37m60x/superio.c Normal file
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/*
* This file is part of the LinuxBIOS project.
*
* Copyright (C) 2006 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 <device/device.h>
#include <device/pnp.h>
#include <uart8250.h>
#include <pc80/keyboard.h>
#include "chip.h"
#include "fdc37m60x.h"
static void init(device_t dev)
{
struct superio_smsc_fdc37m60x_config *conf;
struct resource *res0, *res1;
if (!dev->enabled) {
return;
}
conf = dev->chip_info;
switch (dev->path.u.pnp.device) {
case FDC37M60X_FDC: /* TODO. */
break;
case FDC37M60X_PP: /* TODO. */
break;
case FDC37M60X_SP1:
res0 = find_resource(dev, PNP_IDX_IO0);
init_uart8250(res0->base, &conf->com1);
break;
case FDC37M60X_SP2:
res0 = find_resource(dev, PNP_IDX_IO0);
init_uart8250(res0->base, &conf->com2);
break;
case FDC37M60X_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;
case FDC37M60X_AUX: /* TODO. */
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,
};
/* TODO: FDC, PP, AUX. */
static struct pnp_info pnp_dev_info[] = {
{ &ops, FDC37M60X_SP1, PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
{ &ops, FDC37M60X_SP2, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0 | PNP_DRQ1, { 0x7f8, 0 }, },
{ &ops, FDC37M60X_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_smsc_fdc37m60x_ops = {
CHIP_NAME("SMSC FDC37M60X Super I/O")
.enable_dev = enable_dev,
};