sb/intel/i82801jx: Add smbus block operations
Change-Id: I1a84b4451efe25c1c3b0ce33ddbcb6ed06c29f9e
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/21439
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
diff --git a/src/southbridge/intel/i82801jx/smbus.c b/src/southbridge/intel/i82801jx/smbus.c
index bc735a3..9ccff41 100644
--- a/src/southbridge/intel/i82801jx/smbus.c
+++ b/src/southbridge/intel/i82801jx/smbus.c
@@ -61,9 +61,35 @@
return do_smbus_write_byte(res->base, device, address, val);
}
+static int lsmbus_block_write(device_t dev, u8 cmd, u8 bytes, const u8 *buf)
+{
+ u16 device;
+ struct resource *res;
+ struct bus *pbus;
+
+ device = dev->path.i2c.device;
+ pbus = get_pbus_smbus(dev);
+ res = find_resource(pbus->dev, 0x20);
+ return do_smbus_block_write(res->base, device, cmd, bytes, buf);
+}
+
+static int lsmbus_block_read(device_t dev, u8 cmd, u8 bytes, u8 *buf)
+{
+ u16 device;
+ struct resource *res;
+ struct bus *pbus;
+
+ device = dev->path.i2c.device;
+ pbus = get_pbus_smbus(dev);
+ res = find_resource(pbus->dev, 0x20);
+ return do_smbus_block_read(res->base, device, cmd, bytes, buf);
+}
+
static struct smbus_bus_operations lops_smbus_bus = {
.read_byte = lsmbus_read_byte,
.write_byte = lsmbus_write_byte,
+ .block_read = lsmbus_block_read,
+ .block_write = lsmbus_block_write,
};
static void smbus_set_subsystem(device_t dev, unsigned vendor, unsigned device)