xref: /arm-trusted-firmware/plat/marvell/armada/a8k/common/include/mentor_i2c_plat.h (revision 91f16700b400a8c0651d24a598fc48ee2997a0d7)
1*91f16700Schasinglulu /*
2*91f16700Schasinglulu  * Copyright (C) 2018 Marvell International Ltd.
3*91f16700Schasinglulu  *
4*91f16700Schasinglulu  * SPDX-License-Identifier:     BSD-3-Clause
5*91f16700Schasinglulu  * https://spdx.org/licenses
6*91f16700Schasinglulu  */
7*91f16700Schasinglulu /* This driver provides I2C support for Marvell A8K and compatible SoCs */
8*91f16700Schasinglulu 
9*91f16700Schasinglulu #ifndef MENTOR_I2C_PLAT_H
10*91f16700Schasinglulu #define MENTOR_I2C_PLAT_H
11*91f16700Schasinglulu 
12*91f16700Schasinglulu #define CONFIG_SYS_TCLK			250000000
13*91f16700Schasinglulu #define CONFIG_SYS_I2C_SPEED		100000
14*91f16700Schasinglulu #define CONFIG_SYS_I2C_SLAVE		0x0
15*91f16700Schasinglulu 
16*91f16700Schasinglulu #define I2C_CAN_UNSTUCK
17*91f16700Schasinglulu 
18*91f16700Schasinglulu struct  mentor_i2c_regs {
19*91f16700Schasinglulu 	uint32_t slave_address;
20*91f16700Schasinglulu 	uint32_t data;
21*91f16700Schasinglulu 	uint32_t control;
22*91f16700Schasinglulu 	union {
23*91f16700Schasinglulu 		uint32_t status;	/* when reading */
24*91f16700Schasinglulu 		uint32_t baudrate;	/* when writing */
25*91f16700Schasinglulu 	};
26*91f16700Schasinglulu 	uint32_t xtnd_slave_addr;
27*91f16700Schasinglulu 	uint32_t reserved[2];
28*91f16700Schasinglulu 	uint32_t soft_reset;
29*91f16700Schasinglulu 	uint8_t  reserved2[0xa0 - 0x20];
30*91f16700Schasinglulu 	uint32_t unstuck;
31*91f16700Schasinglulu };
32*91f16700Schasinglulu 
33*91f16700Schasinglulu #endif /* MENTOR_I2C_PLAT_H */
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