soc/intel/common: Split some SMBUS support file

It is expected that smbuslib.c will be removed, leave the
parts we want to keep in smbus_early.c.

Change-Id: I21355fe95385d07c9f254fc80c90264a9539bb00
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38049
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>

1 files changed, 16 insertions, 0 deletions

diff --git a/src/soc/intel/common/block/smbus/smbuslib.c b/src/soc/intel/common/block/smbus/smbuslib.c
index 0d3901fa2b..e2a0ed90ef 100644
--- a/src/soc/intel/common/block/smbus/smbuslib.c
+++ b/src/soc/intel/common/block/smbus/smbuslib.c
@@ -14,6 +14,7 @@
  */
 
 #include <arch/io.h>
+#include <device/early_smbus.h>
 #include <device/smbus_def.h>
 #include <timer.h>
 #include "smbuslib.h"
@@ -176,3 +177,18 @@ int smbus_read16(unsigned int smbus_base, unsigned int device,
 
 	return data;
 }
+
+u16 smbus_read_word(u32 smbus_dev, u8 addr, u8 offset)
+{
+	return smbus_read16(SMBUS_IO_BASE, addr, offset);
+}
+
+u8 smbus_read_byte(u32 smbus_dev, u8 addr, u8 offset)
+{
+	return smbus_read8(SMBUS_IO_BASE, addr, offset);
+}
+
+u8 smbus_write_byte(u32 smbus_dev, u8 addr, u8 offset, u8 value)
+{
+	return smbus_write8(SMBUS_IO_BASE, addr, offset, value);
+}