diff options
author | Yinghai Lu <yinghailu@gmail.com> | 2006-02-16 17:22:19 +0000 |
---|---|---|
committer | Yinghai Lu <yinghailu@gmail.com> | 2006-02-16 17:22:19 +0000 |
commit | afd34e61ace6476946f9f30af92e0f714c901013 (patch) | |
tree | 82e1e5673992e2150bb87de3f1d5b6ee955b2b36 /src/drivers/i2c/i2cmux2/i2cmux2.c | |
parent | 4d5865d3d48259f43a1d78af8107d46c7a3a73f3 (diff) | |
download | coreboot-afd34e61ace6476946f9f30af92e0f714c901013.tar.xz |
serverworks HT1000/HT2000, bcm5785/5780 support
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2176 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/drivers/i2c/i2cmux2/i2cmux2.c')
-rw-r--r-- | src/drivers/i2c/i2cmux2/i2cmux2.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/src/drivers/i2c/i2cmux2/i2cmux2.c b/src/drivers/i2c/i2cmux2/i2cmux2.c new file mode 100644 index 0000000000..30656eafca --- /dev/null +++ b/src/drivers/i2c/i2cmux2/i2cmux2.c @@ -0,0 +1,43 @@ +#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 i2cmux2_set_link(device_t dev, unsigned int link) +{ + if (dev->enabled && dev->path.type == DEVICE_PATH_I2C) + { + if(ops_smbus_bus(get_pbus_smbus(dev))) { + smbus_send_byte(dev, link); // output value + } + + } + +} +static void i2cmux2_noop(device_t dummy) +{ +} + +static struct device_operations i2cmux2_operations = { + .read_resources = i2cmux2_noop, + .set_resources = i2cmux2_noop, + .enable_resources = i2cmux2_noop, + .init = i2cmux2_noop, + .scan_bus = scan_static_bus, + .set_link = i2cmux2_set_link, +}; + +static void enable_dev(struct device *dev) +{ + if(dev->links>0) + dev->ops = &i2cmux2_operations; +} + +struct chip_operations drivers_i2c_i2cmux2_ops = { + CHIP_NAME("i2cmux2") + .enable_dev = enable_dev, +}; |