blob: 8929fb26b37854267f5653c7a57ae5e2c088c906 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
|
// SPDX-License-Identifier: Apache-2.0
/* 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 */
|