1/************************************************************************
2File  : Clock H/w specific Information
3
4Author: Pankaj Dev <pankaj.dev@st.com>
5
6Copyright (C) 2014 STMicroelectronics
7************************************************************************/
8
9#ifndef __CLKGEN_INFO_H
10#define __CLKGEN_INFO_H
11
12extern spinlock_t clkgen_a9_lock;
13
14struct clkgen_field {
15	unsigned int offset;
16	unsigned int mask;
17	unsigned int shift;
18};
19
20static inline unsigned long clkgen_read(void __iomem	*base,
21					  struct clkgen_field *field)
22{
23	return (readl(base + field->offset) >> field->shift) & field->mask;
24}
25
26
27static inline void clkgen_write(void __iomem *base, struct clkgen_field *field,
28				  unsigned long val)
29{
30	writel((readl(base + field->offset) &
31	       ~(field->mask << field->shift)) | (val << field->shift),
32	       base + field->offset);
33
34	return;
35}
36
37#define CLKGEN_FIELD(_offset, _mask, _shift) {		\
38				.offset	= _offset,	\
39				.mask	= _mask,	\
40				.shift	= _shift,	\
41				}
42
43#define CLKGEN_READ(pll, field) clkgen_read(pll->regs_base, \
44		&pll->data->field)
45
46#define CLKGEN_WRITE(pll, field, val) clkgen_write(pll->regs_base, \
47		&pll->data->field, val)
48
49#endif /*__CLKGEN_INFO_H*/
50
51