diff options
Diffstat (limited to 'arch/frv/include/asm/timer-regs.h')
-rw-r--r-- | arch/frv/include/asm/timer-regs.h | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/arch/frv/include/asm/timer-regs.h b/arch/frv/include/asm/timer-regs.h new file mode 100644 index 000000000000..6c5a871ce5e9 --- /dev/null +++ b/arch/frv/include/asm/timer-regs.h | |||
@@ -0,0 +1,106 @@ | |||
1 | /* timer-regs.h: hardware timer register definitions | ||
2 | * | ||
3 | * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved. | ||
4 | * Written by David Howells (dhowells@redhat.com) | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or | ||
7 | * modify it under the terms of the GNU General Public License | ||
8 | * as published by the Free Software Foundation; either version | ||
9 | * 2 of the License, or (at your option) any later version. | ||
10 | */ | ||
11 | |||
12 | #ifndef _ASM_TIMER_REGS_H | ||
13 | #define _ASM_TIMER_REGS_H | ||
14 | |||
15 | #include <asm/sections.h> | ||
16 | |||
17 | extern unsigned long __nongprelbss __clkin_clock_speed_HZ; | ||
18 | extern unsigned long __nongprelbss __ext_bus_clock_speed_HZ; | ||
19 | extern unsigned long __nongprelbss __res_bus_clock_speed_HZ; | ||
20 | extern unsigned long __nongprelbss __sdram_clock_speed_HZ; | ||
21 | extern unsigned long __nongprelbss __core_bus_clock_speed_HZ; | ||
22 | extern unsigned long __nongprelbss __core_clock_speed_HZ; | ||
23 | extern unsigned long __nongprelbss __dsu_clock_speed_HZ; | ||
24 | extern unsigned long __nongprelbss __serial_clock_speed_HZ; | ||
25 | |||
26 | #define __get_CLKC() ({ *(volatile unsigned long *)(0xfeff9a00); }) | ||
27 | |||
28 | static inline void __set_CLKC(unsigned long v) | ||
29 | { | ||
30 | int tmp; | ||
31 | |||
32 | asm volatile(" st%I0.p %2,%M0 \n" | ||
33 | " setlos %3,%1 \n" | ||
34 | " membar \n" | ||
35 | "0: \n" | ||
36 | " subicc %1,#1,%1,icc0 \n" | ||
37 | " bnc icc0,#1,0b \n" | ||
38 | : "=m"(*(volatile unsigned long *) 0xfeff9a00), "=r"(tmp) | ||
39 | : "r"(v), "i"(256) | ||
40 | : "icc0"); | ||
41 | } | ||
42 | |||
43 | #define __get_TCTR() ({ *(volatile unsigned long *)(0xfeff9418); }) | ||
44 | #define __get_TPRV() ({ *(volatile unsigned long *)(0xfeff9420); }) | ||
45 | #define __get_TPRCKSL() ({ *(volatile unsigned long *)(0xfeff9428); }) | ||
46 | #define __get_TCSR(T) ({ *(volatile unsigned long *)(0xfeff9400 + 8 * (T)); }) | ||
47 | #define __get_TxCKSL(T) ({ *(volatile unsigned long *)(0xfeff9430 + 8 * (T)); }) | ||
48 | |||
49 | #define __get_TCSR_DATA(T) ({ __get_TCSR(T) >> 24; }) | ||
50 | |||
51 | #define __set_TCTR(V) do { *(volatile unsigned long *)(0xfeff9418) = (V); mb(); } while(0) | ||
52 | #define __set_TPRV(V) do { *(volatile unsigned long *)(0xfeff9420) = (V) << 24; mb(); } while(0) | ||
53 | #define __set_TPRCKSL(V) do { *(volatile unsigned long *)(0xfeff9428) = (V); mb(); } while(0) | ||
54 | #define __set_TCSR(T,V) \ | ||
55 | do { *(volatile unsigned long *)(0xfeff9400 + 8 * (T)) = (V); mb(); } while(0) | ||
56 | |||
57 | #define __set_TxCKSL(T,V) \ | ||
58 | do { *(volatile unsigned long *)(0xfeff9430 + 8 * (T)) = (V); mb(); } while(0) | ||
59 | |||
60 | #define __set_TCSR_DATA(T,V) __set_TCSR(T, (V) << 24) | ||
61 | #define __set_TxCKSL_DATA(T,V) __set_TxCKSL(T, TxCKSL_EIGHT | __TxCKSL_SELECT((V))) | ||
62 | |||
63 | /* clock control register */ | ||
64 | #define CLKC_CMODE 0x0f000000 | ||
65 | #define CLKC_SLPL 0x000f0000 | ||
66 | #define CLKC_P0 0x00000100 | ||
67 | #define CLKC_CM 0x00000003 | ||
68 | |||
69 | #define CLKC_CMODE_s 24 | ||
70 | |||
71 | /* timer control register - non-readback mode */ | ||
72 | #define TCTR_MODE_0 0x00000000 | ||
73 | #define TCTR_MODE_2 0x04000000 | ||
74 | #define TCTR_MODE_4 0x08000000 | ||
75 | #define TCTR_MODE_5 0x0a000000 | ||
76 | #define TCTR_RL_LATCH 0x00000000 | ||
77 | #define TCTR_RL_RW_LOW8 0x10000000 | ||
78 | #define TCTR_RL_RW_HIGH8 0x20000000 | ||
79 | #define TCTR_RL_RW_LH8 0x30000000 | ||
80 | #define TCTR_SC_CTR0 0x00000000 | ||
81 | #define TCTR_SC_CTR1 0x40000000 | ||
82 | #define TCTR_SC_CTR2 0x80000000 | ||
83 | |||
84 | /* timer control register - readback mode */ | ||
85 | #define TCTR_CNT0 0x02000000 | ||
86 | #define TCTR_CNT1 0x04000000 | ||
87 | #define TCTR_CNT2 0x08000000 | ||
88 | #define TCTR_NSTATUS 0x10000000 | ||
89 | #define TCTR_NCOUNT 0x20000000 | ||
90 | #define TCTR_SC_READBACK 0xc0000000 | ||
91 | |||
92 | /* timer control status registers - non-readback mode */ | ||
93 | #define TCSRx_DATA 0xff000000 | ||
94 | |||
95 | /* timer control status registers - readback mode */ | ||
96 | #define TCSRx_OUTPUT 0x80000000 | ||
97 | #define TCSRx_NULLCOUNT 0x40000000 | ||
98 | #define TCSRx_RL 0x30000000 | ||
99 | #define TCSRx_MODE 0x07000000 | ||
100 | |||
101 | /* timer clock select registers */ | ||
102 | #define TxCKSL_SELECT 0x0f000000 | ||
103 | #define __TxCKSL_SELECT(X) ((X) << 24) | ||
104 | #define TxCKSL_EIGHT 0xf0000000 | ||
105 | |||
106 | #endif /* _ASM_TIMER_REGS_H */ | ||