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
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
|
/*
* Copyright (C) 2017 Imagination Technologies
* Author: Paul Burton <paul.burton@imgtec.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*/
#ifndef __MIPS_ASM_MIPS_CPS_H__
#define __MIPS_ASM_MIPS_CPS_H__
#include <linux/io.h>
#include <linux/types.h>
extern unsigned long __cps_access_bad_size(void)
__compiletime_error("Bad size for CPS accessor");
#define CPS_ACCESSOR_A(unit, off, name) \
static inline void *addr_##unit##_##name(void) \
{ \
return mips_##unit##_base + (off); \
}
#define CPS_ACCESSOR_R(unit, sz, name) \
static inline uint##sz##_t read_##unit##_##name(void) \
{ \
uint64_t val64; \
\
switch (sz) { \
case 32: \
return __raw_readl(addr_##unit##_##name()); \
\
case 64: \
if (mips_cm_is64) \
return __raw_readq(addr_##unit##_##name()); \
\
val64 = __raw_readl(addr_##unit##_##name() + 4); \
val64 <<= 32; \
val64 |= __raw_readl(addr_##unit##_##name()); \
return val64; \
\
default: \
return __cps_access_bad_size(); \
} \
}
#define CPS_ACCESSOR_W(unit, sz, name) \
static inline void write_##unit##_##name(uint##sz##_t val) \
{ \
switch (sz) { \
case 32: \
__raw_writel(val, addr_##unit##_##name()); \
break; \
\
case 64: \
if (mips_cm_is64) { \
__raw_writeq(val, addr_##unit##_##name()); \
break; \
} \
\
__raw_writel((uint64_t)val >> 32, \
addr_##unit##_##name() + 4); \
__raw_writel(val, addr_##unit##_##name()); \
break; \
\
default: \
__cps_access_bad_size(); \
break; \
} \
}
#define CPS_ACCESSOR_M(unit, sz, name) \
static inline void change_##unit##_##name(uint##sz##_t mask, \
uint##sz##_t val) \
{ \
uint##sz##_t reg_val = read_##unit##_##name(); \
reg_val &= ~mask; \
reg_val |= val; \
write_##unit##_##name(reg_val); \
} \
\
static inline void set_##unit##_##name(uint##sz##_t val) \
{ \
change_##unit##_##name(val, val); \
} \
\
static inline void clear_##unit##_##name(uint##sz##_t val) \
{ \
change_##unit##_##name(val, 0); \
}
#define CPS_ACCESSOR_RO(unit, sz, off, name) \
CPS_ACCESSOR_A(unit, off, name) \
CPS_ACCESSOR_R(unit, sz, name)
#define CPS_ACCESSOR_WO(unit, sz, off, name) \
CPS_ACCESSOR_A(unit, off, name) \
CPS_ACCESSOR_W(unit, sz, name)
#define CPS_ACCESSOR_RW(unit, sz, off, name) \
CPS_ACCESSOR_A(unit, off, name) \
CPS_ACCESSOR_R(unit, sz, name) \
CPS_ACCESSOR_W(unit, sz, name) \
CPS_ACCESSOR_M(unit, sz, name)
#include <asm/mips-cm.h>
#include <asm/mips-cpc.h>
#endif /* __MIPS_ASM_MIPS_CPS_H__ */
|
