Add driver for ICS954309 clock generator

Change-Id: Iac7e91cdd995dad1954eaa2d4dd52bffa293fc95
Signed-off-by: Sven Schnelle <svens@stackframe.org>
Reviewed-on: http://review.coreboot.org/327
Tested-by: build bot (Jenkins)
This commit is contained in:
Sven Schnelle 2011-10-23 15:53:47 +02:00
parent 906f9ae784
commit f488165a3d
8 changed files with 121 additions and 2 deletions

View File

@ -25,4 +25,4 @@ source src/drivers/i2c/Kconfig
source src/drivers/oxford/Kconfig
source src/drivers/sil/Kconfig
source src/drivers/trident/Kconfig
source src/drivers/ics/Kconfig

View File

@ -25,4 +25,4 @@ subdirs-y += i2c
subdirs-y += oxford
subdirs-y += sil
subdirs-y += trident
subdirs-y += ics

View File

@ -0,0 +1,2 @@
config DRIVERS_ICS_954309
bool

View File

@ -0,0 +1 @@
driver-$(CONFIG_DRIVERS_ICS_954309) += ics954309.c

View File

@ -0,0 +1,37 @@
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2011 Sven Schnelle <svens@stackframe.org>
*
* 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; version 2 of
* the License.
*
* 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
*/
extern struct chip_operations drivers_ics_954309_ops;
struct drivers_ics_954309_config {
u8 reg0;
u8 reg1;
u8 reg2;
u8 reg3;
u8 reg4;
u8 reg5;
u8 reg6;
u8 reg7;
u8 reg8;
u8 reg9;
u8 reg10;
u8 reg11;
};

View File

@ -0,0 +1,77 @@
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2011 Sven Schnelle <svens@stackframe.org>
*
* 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; version 2 of
* the License.
*
* 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 <console/console.h>
#include <device/device.h>
#include <device/smbus.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <device/pci_ops.h>
#include <cpu/x86/msr.h>
#include "chip.h"
#include <string.h>
static void ics954309_init(device_t dev)
{
struct drivers_ics_954309_config *config;
u8 initdata[12];
if (!dev->enabled || dev->path.type != DEVICE_PATH_I2C)
return;
config = dev->chip_info;
initdata[0] = config->reg0;
initdata[1] = config->reg1;
initdata[2] = config->reg2;
initdata[3] = config->reg3;
initdata[4] = config->reg4;
initdata[5] = config->reg5;
initdata[6] = config->reg6;
initdata[7] = config->reg7;
initdata[8] = config->reg8;
initdata[9] = config->reg9;
initdata[10] = config->reg10;
initdata[11] = config->reg11;
smbus_block_write(dev, 0, 12, initdata);
}
static void ics954309_noop(device_t dummy)
{
}
static struct device_operations ics954309_operations = {
.read_resources = ics954309_noop,
.set_resources = ics954309_noop,
.enable_resources = ics954309_noop,
.init = ics954309_init,
};
static void enable_dev(struct device *dev)
{
dev->ops = &ics954309_operations;
}
struct chip_operations drivers_ics_954309_ops = {
CHIP_NAME("ICS 954309 Clock generator")
.enable_dev = enable_dev,
};

1
src/drivers/ics/Kconfig Normal file
View File

@ -0,0 +1 @@
source src/drivers/ics/954309/Kconfig

View File

@ -0,0 +1 @@
subdirs-$(CONFIG_DRIVERS_ICS_954309) += 954309