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superio/ite/it8728f: RAMstage PNP configuration component 

Provide devicetree.cb RAMstage configuration of this superio component.

Change-Id: I376d2fb6dafc301cbc437518012f8c43b0af4be2
Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-on: http://review.coreboot.org/5668
Tested-by: build bot (Jenkins)
Reviewed-by: Rudolf Marek <r.marek@assembler.cz>
This commit is contained in:
Edward O'Callaghan 2014-05-06 18:00:07 +10:00 committed by Rudolf Marek
parent 31dbb536fa
commit 946bee1c34
5 changed files with 213 additions and 0 deletions
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2
src/superio/ite/it8728f/Makefile.inc
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@ -19,3 +19,5 @@
##
romstage-$(CONFIG_SUPERIO_ITE_IT8728F) += early_serial.c
ramstage-$(CONFIG_SUPERIO_ITE_IT8728F) += it8728f_hwm.c
ramstage-$(CONFIG_SUPERIO_ITE_IT8728F) += superio.c

34
src/superio/ite/it8728f/chip.h Normal file
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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2014 Edward O'Callaghan <eocallaghan@alterapraxis.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_IT8728F_CHIP_H
#define SUPERIO_ITE_IT8728F_CHIP_H
struct superio_ite_it8728f_config {
/* HWM configuration registers */
uint8_t hwm_ctl_register;
uint8_t hwm_main_ctl_register;
uint8_t hwm_adc_temp_chan_en_reg;
uint8_t hwm_fan1_ctl_pwm;
uint8_t hwm_fan2_ctl_pwm;
uint8_t hwm_fan3_ctl_pwm;
};
#endif /* SUPERIO_ITE_IT8728F_CHIP_H */

80
src/superio/ite/it8728f/it8728f_hwm.c Normal file
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@ -0,0 +1,80 @@
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2014 Edward O'Callaghan <eocallaghan@alterapraxis.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/io.h>
#include <console/console.h>
#include <device/device.h>
#include <device/pnp.h>
#include "chip.h"
#include "ite_internal.h"
/*
* FAN controller configuration register index's
*/
#define HWM_MAIN_CTL_REG 0x13 /* default 0x07 */
#define HWM_CTL_REG 0x14 /* default 0x40 */
#define HWM_FAN1_CTL_PWM 0x15 /* default 0x00 */
#define HWM_FAN2_CTL_PWM 0x16 /* default 0x00 */
#define HWM_FAN3_CTL_PWM 0x17 /* default 0x00 */
#define HWM_ADC_TEMP_CHAN_EN_REG 0x51 /* default 0x00 */
static void pnp_write_index(u16 port, u8 reg, u8 value)
{
outb(reg, port);
outb(value, port + 1);
}
void it8728f_hwm_ec_init(device_t dev)
{
struct superio_ite_it8728f_config *conf = dev->chip_info;
struct resource *res = find_resource(dev, PNP_IDX_IO0);
if (!res) {
printk(BIOS_WARNING, "Super I/O HWM: No HWM resource found.\n");
return;
}
u16 port = res->base;
printk(BIOS_INFO,
"ITE IT8728F Super I/O HWM: Initializing Hardware Monitor..\n");
printk(BIOS_DEBUG,
"ITE IT8728F Super I/O HWM: Base Address at 0x%x\n", port);
pnp_enter_conf_mode(dev);
pnp_set_logical_device(dev);
/* ITE IT8728F HWM (ordered) programming sequence. */
/* configure fan polarity */
pnp_write_index(port, HWM_CTL_REG, conf->hwm_ctl_register);
/* enable fans 1-3 */
pnp_write_index(port, HWM_MAIN_CTL_REG, conf->hwm_main_ctl_register);
/* enable termistor temps for temp1-temp3 */
pnp_write_index(port, HWM_ADC_TEMP_CHAN_EN_REG, conf->hwm_adc_temp_chan_en_reg);
/* configure which fanX uses which tempY */
pnp_write_index(port, HWM_FAN1_CTL_PWM, conf->hwm_fan1_ctl_pwm);
pnp_write_index(port, HWM_FAN2_CTL_PWM, conf->hwm_fan2_ctl_pwm);
pnp_write_index(port, HWM_FAN3_CTL_PWM, conf->hwm_fan3_ctl_pwm);
pnp_exit_conf_mode(dev);
}

28
src/superio/ite/it8728f/it8728f_internal.h Normal file
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@ -0,0 +1,28 @@
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2014 Edward O'Callaghan <eocallaghan@alterapraxis.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_IT8728F_INTERNAL_H
#define SUPERIO_ITE_IT8728F_INTERNAL_H
#include <device/device.h>
void it8728f_hwm_ec_init(device_t dev);
#endif /* SUPERIO_ITE_IT8728F_INTERNAL_H */

69
src/superio/ite/it8728f/superio.c Normal file
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@ -0,0 +1,69 @@
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2014 Edward O'Callaghan <eocallaghan@alterapraxis.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/io.h>
#include <device/device.h>
#include <device/pnp.h>
#include <superio/conf_mode.h>
#include <console/console.h>
#include <stdlib.h>
#include "chip.h"
#include "it8728f.h"
#include "it8728f_internal.h"
static void it8728f_init(device_t dev)
{
struct superio_ite_it8728f_config *conf = dev->chip_info;
if (!dev->enabled)
return;
switch(dev->path.pnp.device) {
/* TODO: Might potentially need code for HWM or FDC etc. */
case IT8728F_EC:
it8728f_hwm_ec_init(dev);
break;
}
}
static struct device_operations ops = {
.read_resources = pnp_read_resources,
.set_resources = pnp_set_resources,
.enable_resources = pnp_enable_resources,
.enable = pnp_alt_enable,
.init = it8728f_init,
.ops_pnp_mode = &pnp_conf_mode_870155_aa,
};
/* TODO: incomplete */
static struct pnp_info pnp_dev_info[] = {
{ &ops, IT8728F_EC, PNP_IO0 | PNP_IO1 | PNP_IRQ0, {0x0ff8, 0}, {0x0ff8, 4}, },
};
static void enable_dev(device_t dev)
{
pnp_enable_devices(dev, &ops, ARRAY_SIZE(pnp_dev_info), pnp_dev_info);
}
struct chip_operations superio_ite_it8728f_ops = {
CHIP_NAME("ITE IT8728F Super I/O")
.enable_dev = enable_dev
};