diff options
Diffstat (limited to 'src/southbridge/amd/cs5536/cs5536.c')
| -rw-r--r-- | src/southbridge/amd/cs5536/cs5536.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/southbridge/amd/cs5536/cs5536.c b/src/southbridge/amd/cs5536/cs5536.c index 872de36887..0c0368f217 100644 --- a/src/southbridge/amd/cs5536/cs5536.c +++ b/src/southbridge/amd/cs5536/cs5536.c @@ -23,6 +23,7 @@ #include <device/pci.h> #include <device/pci_ops.h> #include <device/pci_ids.h> +#include <device/smbus.h> #include <console/console.h> #include <stdint.h> #include <pc80/isa-dma.h> @@ -33,6 +34,7 @@ #include <stdlib.h> #include "chip.h" #include "cs5536.h" +#include "smbus.h" struct msrinit { u32 msrnum; @@ -667,6 +669,23 @@ static void southbridge_enable(struct device *dev) } +static int lsmbus_read_byte(device_t dev, u8 address) +{ + u16 device; + struct resource *res; + struct bus *pbus; + + device = dev->path.i2c.device; + pbus = get_pbus_smbus(dev); + res = find_resource(pbus->dev, 0x10); + + return do_smbus_read_byte(res->base, device, address); +} + +static struct smbus_bus_operations lops_smbus_bus = { + .read_byte = lsmbus_read_byte, +}; + static struct device_operations southbridge_ops = { .read_resources = cs5536_read_resources, .set_resources = pci_dev_set_resources, @@ -674,6 +693,7 @@ static struct device_operations southbridge_ops = { .init = southbridge_init, // .enable = southbridge_enable, .scan_bus = scan_static_bus, + .ops_smbus_bus = &lops_smbus_bus, }; static const struct pci_driver cs5536_pci_driver __pci_driver = { |