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Add IT8721F support 

only the serial port is tested, keyboard/mouse are gonna
to be tested later, it may also need some more patches
to make it work completely.

Change-Id: Ie9464d01c5d5760ebc800b3cd15a4ab2bad2e09f
Signed-off-by: QingPei Wang <wangqingpei@gmail.com>
Reviewed-on: http://review.coreboot.org/204
Tested-by: build bot (Jenkins)
Reviewed-by: Marc Jones <marcj303@gmail.com>
This commit is contained in:
QingPei Wang 2011-09-13 13:35:43 +08:00 committed by Marc Jones
parent 864839a3e8
commit e169f82edf
7 changed files with 271 additions and 0 deletions
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2
src/superio/ite/Kconfig
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@ -36,3 +36,5 @@ config SUPERIO_ITE_IT8716F_OVERRIDE_FANCTL
default n
config SUPERIO_ITE_IT8718F
bool
config SUPERIO_ITE_IT8721F
bool

1
src/superio/ite/Makefile.inc
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@ -24,3 +24,4 @@ subdirs-y += it8705f
subdirs-y += it8712f
subdirs-y += it8716f
subdirs-y += it8718f
subdirs-y += it8721f

22
src/superio/ite/it8721f/Makefile.inc Normal file
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@ -0,0 +1,22 @@
##
## This file is part of the coreboot project.
##
## Copyright (C) 2011 QingPei Wang <wangqingpei@gmail.com>
##
## 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
##
ramstage-$(CONFIG_SUPERIO_ITE_IT8721F) += superio.c

34
src/superio/ite/it8721f/chip.h Normal file
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@ -0,0 +1,34 @@
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2011 QingPei Wang <wangqingpei@gmail.com>
*
* 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_ITE_IT8721F_CHIP_H
#define SUPERIO_ITE_IT8721F_CHIP_H
#include <device/device.h>
#include <pc80/keyboard.h>
#include <uart8250.h>
extern struct chip_operations superio_ite_it8721f_ops;
struct superio_ite_it8721f_config {
struct pc_keyboard keyboard;
};
#endif

93
src/superio/ite/it8721f/early_serial.c Normal file
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@ -0,0 +1,93 @@
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2006 Uwe Hermann <uwe@hermann-uwe.de>
* Copyright (C) 2011 QingPei Wang <wangqingpei@gmail.com>
*
* 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 "it8721f.h"
/* The base address is 0x2e or 0x4e, depending on config bytes. */
#define SIO_BASE 0x2e
#define SIO_INDEX SIO_BASE
#define SIO_DATA (SIO_BASE + 1)
/* Global configuration registers. */
#define IT8721F_CONFIG_REG_CC 0x02 /* Configure Control (write-only). */
#define IT8721F_CONFIG_REG_LDN 0x07 /* Logical Device Number. */
#define IT8721F_CONFIG_REG_CLOCKSEL 0x23 /* Clock Selection. */
#define IT8721F_CONFIG_REG_SWSUSP 0x24 /* Software Suspend, Flash I/F. */
static void it8721f_sio_write(u8 ldn, u8 index, u8 value)
{
outb(IT8721F_CONFIG_REG_LDN, SIO_BASE);
outb(ldn, SIO_DATA);
outb(index, SIO_BASE);
outb(value, SIO_DATA);
}
static void it8721f_enter_conf(void)
{
u16 port = 0x2e; /* TODO: Don't hardcode! */
outb(0x87, port);
outb(0x01, port);
outb(0x55, port);
outb((port == 0x4e) ? 0xaa : 0x55, port);
}
static void it8721f_exit_conf(void)
{
it8721f_sio_write(0x00, IT8721F_CONFIG_REG_CC, 0x02);
}
/* Select 24MHz CLKIN (48MHz default). */
void it8721f_24mhz_clkin(void)
{
it8721f_enter_conf();
it8721f_sio_write(0x00, IT8721F_CONFIG_REG_CLOCKSEL, 0x1);
it8721f_exit_conf();
}
/* Enable the serial port(s). */
void it8721f_enable_serial(device_t dev, u16 iobase)
{
/* (1) Enter the configuration state (MB PnP mode). */
it8721f_enter_conf();
/* (2) Modify the data of configuration registers. */
/*
* Select the chip to configure (if there's more than one).
* Set bit 7 to select JP3=1, clear bit 7 to select JP3=0.
* If this register is not written, both chips are configured.
*/
/* it8718f_sio_write(0x00, IT8718F_CONFIG_REG_CONFIGSEL, 0x00); */
/* Enable serial port(s). */
it8721f_sio_write(IT8721F_SP1, 0x30, 0x1); /* Serial port 1 */
it8721f_sio_write(IT8721F_SP2, 0x30, 0x1); /* Serial port 2 */
/* Clear software suspend mode (clear bit 0). TODO: Needed? */
/* it8718f_sio_write(0x00, IT8718F_CONFIG_REG_SWSUSP, 0x00); */
/* (3) Exit the configuration state (MB PnP mode). */
it8721f_exit_conf();
}

41
src/superio/ite/it8721f/it8721f.h Normal file
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@ -0,0 +1,41 @@
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2006 Uwe Hermann <uwe@hermann-uwe.de>
* Copyright (C) 2011 QingPei Wang <wangqingpei@gmail.com>
*
* 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_ITE_IT8721F_IT8721F_H
#define SUPERIO_ITE_IT8721F_IT8721F_H
#define IT8721F_FDC 0x00 /* Floppy */
#define IT8721F_SP1 0x01 /* Com1 */
#define IT8721F_SP2 0x02 /* Com2 */
#define IT8721F_PP 0x03 /* Parallel port */
#define IT8721F_EC 0x04 /* Environment controller */
#define IT8721F_KBCK 0x05 /* PS/2 keyboard */
#define IT8721F_KBCM 0x06 /* PS/2 mouse */
#define IT8721F_GPIO 0x07 /* GPIO */
#define IT8721F_IR 0x0a /* Consumer IR */
#if defined(__PRE_RAM__) && !defined(__ROMCC__)
void it8721f_24mhz_clkin(void);
void it8721f_disable_reboot(void);
void it8721f_enable_serial(device_t dev, u16 iobase);
#endif
#endif

78
src/superio/ite/it8721f/superio.c Normal file
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@ -0,0 +1,78 @@
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2006 Uwe Hermann <uwe@hermann-uwe.de>
* Copyright (C) 2011 QingPei Wang <wangqingpei@gmail.com>
*
* 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 <stdlib.h>
#include "chip.h"
#include "it8721f.h"
static void init(device_t dev)
{
struct superio_ite_it8721f_config *conf = dev->chip_info;
if (!dev->enabled)
return;
switch (dev->path.pnp.device) {
case IT8721F_FDC: /* TODO. */
break;
case IT8721F_PP: /* TODO. */
break;
case IT8721F_EC: /* TODO. */
break;
case IT8721F_KBCK:
pc_keyboard_init(&conf->keyboard);
break;
case IT8721F_KBCM: /* TODO. */
break;
case IT8721F_IR: /* 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, EC, KBCM, IR. */
static struct pnp_info pnp_dev_info[] = {
{ &ops, IT8721F_SP1, PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, },
{ &ops, IT8721F_SP2, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0 | PNP_DRQ1, {0x07f8, 0}, },
{ &ops, IT8721F_KBCK, PNP_IO0 | PNP_IO1 | PNP_IRQ0, {0x07f8, 0}, {0x07f8, 4}, },
};
static void enable_dev(struct device *dev)
{
pnp_enable_devices(dev, &pnp_ops,
ARRAY_SIZE(pnp_dev_info), pnp_dev_info);
}
struct chip_operations superio_ite_it8721f_ops = {
CHIP_NAME("ITE IT8721F Super I/O")
.enable_dev = enable_dev,
};