| #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> |
| |
| static void lm63_init(struct device *dev) |
| { |
| int result; |
| 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 |
| result = smbus_read_byte(dev, 0x03); |
| // result &= ~0x04; |
| result |= 0x04; |
| smbus_write_byte(dev, 0x03, result & 0xff); // config lm63 |
| } |
| } |
| } |
| |
| static struct device_operations lm63_operations = { |
| .read_resources = DEVICE_NOOP, |
| .set_resources = DEVICE_NOOP, |
| .enable_resources = DEVICE_NOOP, |
| .init = lm63_init, |
| }; |
| |
| static void enable_dev(struct device *dev) |
| { |
| dev->ops = &lm63_operations; |
| } |
| |
| struct chip_operations drivers_i2c_lm63_ops = { |
| CHIP_NAME("National Semiconductor LM63") |
| .enable_dev = enable_dev, |
| }; |