diff options
Diffstat (limited to 'arch/mips/lantiq/xway/clk-ase.c')
-rw-r--r-- | arch/mips/lantiq/xway/clk-ase.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/arch/mips/lantiq/xway/clk-ase.c b/arch/mips/lantiq/xway/clk-ase.c new file mode 100644 index 000000000000..22d823acd536 --- /dev/null +++ b/arch/mips/lantiq/xway/clk-ase.c | |||
@@ -0,0 +1,48 @@ | |||
1 | /* | ||
2 | * This program is free software; you can redistribute it and/or modify it | ||
3 | * under the terms of the GNU General Public License version 2 as published | ||
4 | * by the Free Software Foundation. | ||
5 | * | ||
6 | * Copyright (C) 2011 John Crispin <blogic@openwrt.org> | ||
7 | */ | ||
8 | |||
9 | #include <linux/io.h> | ||
10 | #include <linux/module.h> | ||
11 | #include <linux/init.h> | ||
12 | #include <linux/clk.h> | ||
13 | |||
14 | #include <asm/time.h> | ||
15 | #include <asm/irq.h> | ||
16 | #include <asm/div64.h> | ||
17 | |||
18 | #include <lantiq_soc.h> | ||
19 | |||
20 | /* cgu registers */ | ||
21 | #define LTQ_CGU_SYS 0x0010 | ||
22 | |||
23 | unsigned int ltq_get_io_region_clock(void) | ||
24 | { | ||
25 | return CLOCK_133M; | ||
26 | } | ||
27 | EXPORT_SYMBOL(ltq_get_io_region_clock); | ||
28 | |||
29 | unsigned int ltq_get_fpi_bus_clock(int fpi) | ||
30 | { | ||
31 | return CLOCK_133M; | ||
32 | } | ||
33 | EXPORT_SYMBOL(ltq_get_fpi_bus_clock); | ||
34 | |||
35 | unsigned int ltq_get_cpu_hz(void) | ||
36 | { | ||
37 | if (ltq_cgu_r32(LTQ_CGU_SYS) & (1 << 5)) | ||
38 | return CLOCK_266M; | ||
39 | else | ||
40 | return CLOCK_133M; | ||
41 | } | ||
42 | EXPORT_SYMBOL(ltq_get_cpu_hz); | ||
43 | |||
44 | unsigned int ltq_get_fpi_hz(void) | ||
45 | { | ||
46 | return CLOCK_133M; | ||
47 | } | ||
48 | EXPORT_SYMBOL(ltq_get_fpi_hz); | ||