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// SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
/* Copyright 2014-2017 IBM Corp.
*/
#ifndef __XSCOM_H
#define __XSCOM_H
#include <stdint.h>
extern int xscom_read(uint32_t chip_id, uint64_t addr, uint64_t *val);
extern int xscom_write(uint32_t chip_id, uint64_t addr, uint64_t val);
extern int xscom_read_ex(uint32_t ex_target_id, uint64_t addr, uint64_t *val);
extern int xscom_write_ex(uint32_t ex_target_id, uint64_t addr, uint64_t val);
extern void xscom_for_each_chip(void (*cb)(uint32_t chip_id));
extern bool xscom_readable(uint64_t addr);
extern uint32_t xscom_init(void);
#ifndef PPC_BIT
#define PPC_BIT(bit) (0x8000000000000000UL >> (bit))
#endif
#endif /* __XSCOM_H */
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