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Improve ITE IT8716F support. 

Signed-off-by: Yinghai Lu <yinghai.lu@amd.com>
Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de>
Signed-off-by: Ed Swierk <eswierk@arastra.com>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>
Acked-by: Ronald G. Minnich <rminnich@gmail.com>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2559 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Yinghai Lu 2007-02-24 17:39:11 +00:00 committed by Uwe Hermann
parent e15c4ca5ca
commit 2a3223952e
2 changed files with 91 additions and 69 deletions
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76
src/superio/ite/it8716f/it8716f_early_serial.c
View File

@ -3,6 +3,9 @@
*
* Copyright (C) 2006 Uwe Hermann <uwe@hermann-uwe.de>
*
* Copyright (C) 2007 AMD
* Written by Yinghai Lu <yinghai.lu@amd.com> for AMD.
*
* 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
@ -35,55 +38,34 @@
#define IT8716F_CONFIGURATION_PORT 0x2e /* Write-only. */
/* The content of IT8716F_CONFIG_REG_LDN (index 0x07) must be set to the
LDN the register belongs to, before you can access the register. */
static void it8716f_sio_write(uint8_t ldn, uint8_t index, uint8_t value)
{
outb(IT8716F_CONFIG_REG_LDN, SIO_BASE);
outb(ldn, SIO_DATA);
outb(index, SIO_BASE);
outb(value, SIO_DATA);
}
/* Enable the peripheral devices on the IT8716F Super I/O chip. */
static void it8716f_enable_serial(device_t dev, unsigned iobase)
{
/* (1) Enter the configuration state (MB PnP mode). */
/* Perform MB PnP setup to put the SIO chip at 0x2e. */
/* Base address 0x2e: 0x87 0x01 0x55 0x55. */
/* Base address 0x4e: 0x87 0x01 0x55 0xaa. */
outb(0x87, IT8716F_CONFIGURATION_PORT);
outb(0x01, IT8716F_CONFIGURATION_PORT);
outb(0x55, IT8716F_CONFIGURATION_PORT);
outb(0x55, IT8716F_CONFIGURATION_PORT);
/* (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. */
/* it8716f_sio_write(0x00, IT8716F_CONFIG_REG_CONFIGSEL, 0x00); */
/* Enable all devices. */
it8716f_sio_write(IT8716F_FDC, 0x30, 0x1); /* Floppy */
it8716f_sio_write(IT8716F_SP1, 0x30, 0x1); /* Serial port 1 */
it8716f_sio_write(IT8716F_SP2, 0x30, 0x1); /* Serial port 2 */
it8716f_sio_write(IT8716F_PP, 0x30, 0x1); /* Parallel port */
it8716f_sio_write(IT8716F_EC, 0x30, 0x1); /* Environment controller */
it8716f_sio_write(IT8716F_KBCK, 0x30, 0x1); /* Keyboard */
it8716f_sio_write(IT8716F_KBCM, 0x30, 0x1); /* Mouse */
it8716f_sio_write(IT8716F_MIDI, 0x30, 0x1); /* MIDI port */
it8716f_sio_write(IT8716F_GAME, 0x30, 0x1); /* GAME port */
it8716f_sio_write(IT8716F_IR, 0x30, 0x1); /* Consumer IR */
/* Select 24MHz CLKIN (set bit 0). */
it8716f_sio_write(0x00, IT8716F_CONFIG_REG_CLOCKSEL, 0x01);
/* Clear software suspend mode (clear bit 0). TODO: Needed? */
/* it8716f_sio_write(0x00, IT8716F_CONFIG_REG_SWSUSP, 0x00); */
/* (3) Exit the configuration state (MB PnP mode). */
it8716f_sio_write(0x00, IT8716F_CONFIG_REG_CC, 0x02);
static inline void pnp_enter_ext_func_mode(device_t dev)
{
unsigned port = dev >> 8;
outb(0x87, port);
outb(0x01, port);
outb(0x55, port);
if (port == 0x4e) {
outb(0xaa, port);
} else {
outb(0x55, port);
}
}
static void pnp_exit_ext_func_mode(device_t dev)
{
pnp_write_config(dev, 0x02, 0x02);
}
static void it8716f_enable_serial(device_t dev, unsigned iobase)
{
pnp_enter_ext_func_mode(dev);
pnp_set_logical_device(dev);
pnp_set_enable(dev, 0);
pnp_set_iobase(dev, PNP_IDX_IO0, iobase);
pnp_set_enable(dev, 1);
pnp_exit_ext_func_mode(dev);
}

86
src/superio/ite/it8716f/superio.c
View File

@ -3,6 +3,9 @@
*
* Copyright (C) 2006 Uwe Hermann <uwe@hermann-uwe.de>
*
* Copyright (C) 2007 AMD
* Written by Yinghai Lu <yinghai.lu@amd.com> for AMD.
*
* 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
@ -24,8 +27,29 @@
#include <pc80/keyboard.h>
#include "chip.h"
#include "it8716f.h"
#include <arch/io.h>
static void init(device_t dev)
/* Base address 0x2e: 0x87 0x01 0x55 0x55. */
/* Base address 0x4e: 0x87 0x01 0x55 0xaa. */
static void pnp_enter_ext_func_mode(device_t dev)
{
outb(0x87, dev->path.u.pnp.port);
outb(0x01, dev->path.u.pnp.port);
outb(0x55, dev->path.u.pnp.port);
if (dev->path.u.pnp.port == 0x4e) {
outb(0xaa, dev->path.u.pnp.port);
} else {
outb(0x55, dev->path.u.pnp.port);
}
}
static void pnp_exit_ext_func_mode(device_t dev)
{
pnp_write_config(dev, 0x02, 0x02);
}
static void it8716f_init(device_t dev)
{
struct superio_ite_it8716f_config *conf;
struct resource *res0, *res1;
@ -36,9 +60,8 @@ static void init(device_t dev)
conf = dev->chip_info;
/* TODO: FDC, PP, EC, KBCM, MIDI, GAME, IR. */
switch (dev->path.u.pnp.device) {
case IT8716F_FDC: /* TODO. */
break;
case IT8716F_SP1:
res0 = find_resource(dev, PNP_IDX_IO0);
init_uart8250(res0->base, &conf->com1);
@ -47,44 +70,61 @@ static void init(device_t dev)
res0 = find_resource(dev, PNP_IDX_IO0);
init_uart8250(res0->base, &conf->com2);
break;
case IT8716F_PP: /* TODO. */
break;
case IT8716F_EC: /* TODO. */
break;
case IT8716F_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 IT8716F_KBCM: /* TODO. */
break;
case IT8716F_MIDI: /* TODO. */
break;
case IT8716F_GAME: /* TODO. */
break;
case IT8716F_IR: /* TODO. */
break;
}
}
static void it8716f_pnp_set_resources(device_t dev)
{
pnp_enter_ext_func_mode(dev);
pnp_set_resources(dev);
pnp_exit_ext_func_mode(dev);
}
static void it8716f_pnp_enable_resources(device_t dev)
{
pnp_enter_ext_func_mode(dev);
pnp_enable_resources(dev);
pnp_exit_ext_func_mode(dev);
}
static void it8716f_pnp_enable(device_t dev)
{
pnp_enter_ext_func_mode(dev);
pnp_set_logical_device(dev);
pnp_set_enable(dev, dev->enabled);
pnp_exit_ext_func_mode(dev);
}
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,
.set_resources = it8716f_pnp_set_resources,
.enable_resources = it8716f_pnp_enable_resources,
.enable = it8716f_pnp_enable,
.init = it8716f_init,
};
/* TODO: FDC, PP, EC, KBCM, MIDI, GAME, IR. */
static struct pnp_info pnp_dev_info[] = {
{ &ops, IT8716F_FDC, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0x07f8, 0}, },
{ &ops, IT8716F_SP1, PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
{ &ops, IT8716F_SP2, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0 | PNP_DRQ1, { 0x7f8, 0 }, },
{ &ops, IT8716F_KBCK, PNP_IO0 | PNP_IO1 | PNP_IRQ0, { 0x7f8, 0 }, { 0x7f8, 0x4}, },
{ &ops, IT8716F_SP2, PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
{ &ops, IT8716F_PP, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0x07f8, 0}, },
{ &ops, IT8716F_EC, },
{ &ops, IT8716F_KBCK, PNP_IO0 | PNP_IO1 | PNP_IRQ0, { 0x7ff, 0 }, { 0x7ff, 0x4}, },
{ &ops, IT8716F_KBCM, PNP_IRQ0, },
// No 7 { 0,},
{ &ops, IT8716F_MIDI, PNP_IO0 | PNP_IRQ0, {0x7fe, 0x4}, },
{ &ops, IT8716F_GAME, PNP_IO0, { 0x7ff, 0 }, },
{ &ops, IT8716F_IR, },
};
static void enable_dev(struct device *dev)
{
pnp_enable_devices(dev, &pnp_ops,
pnp_enable_devices(dev, &ops,
sizeof(pnp_dev_info)/sizeof(pnp_dev_info[0]), pnp_dev_info);
}