OpenBIC
OpenSource Bridge-IC
plat_i2c.h
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1/*
2 * Copyright (c) Meta Platforms, Inc. and affiliates.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef PLAT_I2C_h
18#define PLAT_I2C_h
19
20#include "hal_i2c.h"
21
22// map i2c bus to peripherial bus
23// i2c peripheral 1 based, as used i2c index 0 in firmware.
24#define I2C_BUS1 0
25#define I2C_BUS2 1
26#define I2C_BUS3 2
27#define I2C_BUS4 3
28#define I2C_BUS5 4
29#define I2C_BUS6 5
30#define I2C_BUS7 6
31#define I2C_BUS8 7
32#define I2C_BUS10 9
33#define I2C_BUS14 13
34
35#define CPLD_IO_I2C_BUS I2C_BUS5
36#define CPLD_IO_I2C_ADDR 0x21
37#define CPLD_REG_BOARD_REVISION_ID 0x08
38#define CPLD_REG_BMC_INTERFACE 0x0D
39#define CPLD_REG_RETIMER_TYPE 0x12
40
41#define I2C_BUS_MAX_NUM 14
42
43#endif
hal_i2c.h