xref: /arm-trusted-firmware/include/drivers/allwinner/sunxi_rsb.h (revision 91f16700b400a8c0651d24a598fc48ee2997a0d7)
1*91f16700Schasinglulu /*
2*91f16700Schasinglulu  * Copyright (c) 2017-2018 ARM Limited and Contributors. All rights reserved.
3*91f16700Schasinglulu  *
4*91f16700Schasinglulu  * SPDX-License-Identifier: BSD-3-Clause
5*91f16700Schasinglulu  */
6*91f16700Schasinglulu 
7*91f16700Schasinglulu #ifndef SUNXI_RSB_H
8*91f16700Schasinglulu #define SUNXI_RSB_H
9*91f16700Schasinglulu 
10*91f16700Schasinglulu #include <stdint.h>
11*91f16700Schasinglulu 
12*91f16700Schasinglulu int rsb_init_controller(void);
13*91f16700Schasinglulu int rsb_set_bus_speed(uint32_t source_freq, uint32_t bus_freq);
14*91f16700Schasinglulu int rsb_set_device_mode(uint32_t device_mode);
15*91f16700Schasinglulu int rsb_assign_runtime_address(uint16_t hw_addr, uint8_t rt_addr);
16*91f16700Schasinglulu 
17*91f16700Schasinglulu int rsb_read(uint8_t rt_addr, uint8_t reg_addr);
18*91f16700Schasinglulu int rsb_write(uint8_t rt_addr, uint8_t reg_addr, uint8_t value);
19*91f16700Schasinglulu 
20*91f16700Schasinglulu #endif /* SUNXI_RSB_H */
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