From 04953ebf5f343dcb37e1288705a160b4cf1b64cf Mon Sep 17 00:00:00 2001 From: Christian Walter Date: Fri, 27 Mar 2020 11:59:43 +0100 Subject: southbridge/intel/common: Add Process Call Add functionality to use process call cycle. It can be used to write/read data to/from e.g. EEPROM attached to SMBus Controller via I2C. Tested on: * C246 Change-Id: Ifdac6cf70a4ce744601f5d152a83d2125ea88360 Signed-off-by: Christian Walter Reviewed-on: https://review.coreboot.org/c/coreboot/+/39875 Reviewed-by: Patrick Rudolph Tested-by: build bot (Jenkins) --- src/include/device/smbus_host.h | 1 + 1 file changed, 1 insertion(+) (limited to 'src/include/device/smbus_host.h') diff --git a/src/include/device/smbus_host.h b/src/include/device/smbus_host.h index 6e6163f062..d9390eaf2d 100644 --- a/src/include/device/smbus_host.h +++ b/src/include/device/smbus_host.h @@ -17,6 +17,7 @@ int do_smbus_write_word(uintptr_t base, u8 device, u8 address, u16 data); int do_smbus_block_read(uintptr_t base, u8 device, u8 cmd, size_t max_bytes, u8 *buf); int do_smbus_block_write(uintptr_t base, u8 device, u8 cmd, size_t bytes, const u8 *buf); +int do_smbus_process_call(uintptr_t base, u8 device, u8 cmd, u16 data, u16 *buf); /* For Intel, implemented since ICH5. */ int do_i2c_eeprom_read(uintptr_t base, u8 device, u8 offset, size_t bytes, u8 *buf); -- cgit v1.2.3