0786bc6ad8
Fixed indentation using indent tool in the src/drivers/i2c tree Change-Id: I5b396e5753544aff13ac5d16afc59e193a6b1da1 Signed-off-by: Vikram Narayanan <vikram186@gmail.com> Reviewed-on: http://review.coreboot.org/506 Tested-by: build bot (Jenkins) Reviewed-by: Kerry Sheh <shekairui@gmail.com> Reviewed-by: Marc Jones <marcj303@gmail.com>
73 lines
1.7 KiB
C
73 lines
1.7 KiB
C
#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"
|
|
|
|
#define ADM1027_REG_CONFIG1 0x40
|
|
#define CFG1_STRT 0x01
|
|
#define CFG1_LOCK 0x02
|
|
#define CFG1_RDY 0x04
|
|
#define CFG1_FSPD 0x08
|
|
#define CFG1_VXI 0x10
|
|
#define CFT1_FSPDIS 0x20
|
|
#define CFG1_TODIS 0x40
|
|
#define CFG1_VCC 0x80
|
|
#define ADM1027_REG_CONFIG2 0x73
|
|
#define ADM1027_REG_CONFIG3 0x78
|
|
|
|
static void adm1027_enable_monitoring(device_t dev)
|
|
{
|
|
int result;
|
|
|
|
result = smbus_read_byte(dev, ADM1027_REG_CONFIG1);
|
|
|
|
if (!(result & CFG1_RDY)) {
|
|
printk(BIOS_DEBUG, "ADM1027: monitoring not ready\n");
|
|
return;
|
|
}
|
|
result = (result | CFG1_STRT);
|
|
result = smbus_write_byte(dev, ADM1027_REG_CONFIG1, result);
|
|
|
|
result = smbus_read_byte(dev, ADM1027_REG_CONFIG1);
|
|
if (!(result & CFG1_STRT)) {
|
|
printk(BIOS_DEBUG, "ADM1027: monitoring would not enable\n");
|
|
}
|
|
printk(BIOS_DEBUG, "ADM1027: monitoring enabled\n");
|
|
}
|
|
|
|
static void adm1027_init(device_t dev)
|
|
{
|
|
if (dev->enabled && dev->path.type == DEVICE_PATH_I2C) {
|
|
if (ops_smbus_bus(get_pbus_smbus(dev))) {
|
|
if (dev->bus->dev->path.type == DEVICE_PATH_I2C)
|
|
smbus_set_link(dev); // it is under mux
|
|
adm1027_enable_monitoring(dev);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void adm1027_noop(device_t dummy)
|
|
{
|
|
}
|
|
|
|
static struct device_operations adm1027_operations = {
|
|
.read_resources = adm1027_noop,
|
|
.set_resources = adm1027_noop,
|
|
.enable_resources = adm1027_noop,
|
|
.init = adm1027_init,
|
|
};
|
|
|
|
static void enable_dev(struct device *dev)
|
|
{
|
|
dev->ops = &adm1027_operations;
|
|
}
|
|
|
|
struct chip_operations drivers_i2c_adm1027_ops = {
|
|
CHIP_NAME("adm1027")
|
|
.enable_dev = enable_dev,
|
|
};
|