diff options
| author | Christian Walter <christian.walter@9elements.com> | 2020-03-27 11:59:43 +0100 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2020-05-12 20:08:20 +0000 |
| commit | 04953ebf5f343dcb37e1288705a160b4cf1b64cf (patch) | |
| tree | 48281e7a1038886dbc1614f1fecd2d72678d2a7b /src/include/device/smbus_host.h | |
| parent | 5cb34e2ea0034f3d3781006234a0c8b66f4efcfe (diff) | |
| download | coreboot-04953ebf5f343dcb37e1288705a160b4cf1b64cf.tar.gz coreboot-04953ebf5f343dcb37e1288705a160b4cf1b64cf.tar.bz2 coreboot-04953ebf5f343dcb37e1288705a160b4cf1b64cf.zip | |
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 <christian.walter@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/39875
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/include/device/smbus_host.h')
| -rw-r--r-- | src/include/device/smbus_host.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/include/device/smbus_host.h b/src/include/device/smbus_host.h index 6e6163f0624e..d9390eaf2d5c 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); |