aboutsummaryrefslogtreecommitdiffstats
path: root/arch/sh/include/asm/hwblk.h
diff options
context:
space:
mode:
authorJonathan Herman <hermanjl@cs.unc.edu>2013-01-22 10:38:37 -0500
committerJonathan Herman <hermanjl@cs.unc.edu>2013-01-22 10:38:37 -0500
commitfcc9d2e5a6c89d22b8b773a64fb4ad21ac318446 (patch)
treea57612d1888735a2ec7972891b68c1ac5ec8faea /arch/sh/include/asm/hwblk.h
parent8dea78da5cee153b8af9c07a2745f6c55057fe12 (diff)
Added missing tegra files.HEADmaster
Diffstat (limited to 'arch/sh/include/asm/hwblk.h')
-rw-r--r--arch/sh/include/asm/hwblk.h70
1 files changed, 70 insertions, 0 deletions
diff --git a/arch/sh/include/asm/hwblk.h b/arch/sh/include/asm/hwblk.h
new file mode 100644
index 00000000000..855e945c619
--- /dev/null
+++ b/arch/sh/include/asm/hwblk.h
@@ -0,0 +1,70 @@
1#ifndef __ASM_SH_HWBLK_H
2#define __ASM_SH_HWBLK_H
3
4#include <asm/clock.h>
5#include <asm/io.h>
6
7#define HWBLK_CNT_USAGE 0
8#define HWBLK_CNT_IDLE 1
9#define HWBLK_CNT_DEVICES 2
10#define HWBLK_CNT_NR 3
11
12#define HWBLK_AREA_FLAG_PARENT (1 << 0) /* valid parent */
13
14#define HWBLK_AREA(_flags, _parent) \
15{ \
16 .flags = _flags, \
17 .parent = _parent, \
18}
19
20struct hwblk_area {
21 int cnt[HWBLK_CNT_NR];
22 unsigned char parent;
23 unsigned char flags;
24};
25
26#define HWBLK(_mstp, _bit, _area) \
27{ \
28 .mstp = (void __iomem *)_mstp, \
29 .bit = _bit, \
30 .area = _area, \
31}
32
33struct hwblk {
34 void __iomem *mstp;
35 unsigned char bit;
36 unsigned char area;
37 int cnt[HWBLK_CNT_NR];
38};
39
40struct hwblk_info {
41 struct hwblk_area *areas;
42 int nr_areas;
43 struct hwblk *hwblks;
44 int nr_hwblks;
45};
46
47/* Should be defined by processor-specific code */
48int arch_hwblk_init(void);
49int arch_hwblk_sleep_mode(void);
50
51int hwblk_register(struct hwblk_info *info);
52int hwblk_init(void);
53
54void hwblk_enable(struct hwblk_info *info, int hwblk);
55void hwblk_disable(struct hwblk_info *info, int hwblk);
56
57void hwblk_cnt_inc(struct hwblk_info *info, int hwblk, int cnt);
58void hwblk_cnt_dec(struct hwblk_info *info, int hwblk, int cnt);
59
60/* allow clocks to enable and disable hardware blocks */
61#define SH_HWBLK_CLK(_hwblk, _parent, _flags) \
62[_hwblk] = { \
63 .parent = _parent, \
64 .arch_flags = _hwblk, \
65 .flags = _flags, \
66}
67
68int sh_hwblk_clk_register(struct clk *clks, int nr);
69
70#endif /* __ASM_SH_HWBLK_H */