diff options
Diffstat (limited to 'src/drivers/i2c/lm63/lm63.c')
-rw-r--r-- | src/drivers/i2c/lm63/lm63.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/src/drivers/i2c/lm63/lm63.c b/src/drivers/i2c/lm63/lm63.c new file mode 100644 index 0000000000..01abadc420 --- /dev/null +++ b/src/drivers/i2c/lm63/lm63.c @@ -0,0 +1,46 @@ +#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" + + +static void lm63_init(device_t 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 void lm63_noop(device_t dummy) +{ +} + +static struct device_operations lm63_operations = { + .read_resources = lm63_noop, + .set_resources = lm63_noop, + .enable_resources = lm63_noop, + .init = lm63_init, +}; + +static void enable_dev(struct device *dev) +{ + dev->ops = &lm63_operations; +} + +struct chip_operations drivers_i2c_lm63_ops = { + CHIP_NAME("lm63") + .enable_dev = enable_dev, +}; |