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author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-06 16:20:10 -0400 |
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committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-06 16:20:10 -0400 |
commit | c6799ade4ae04b53a5f677e5289116155ff01574 (patch) | |
tree | 3601b5e2387e39d62c207e4268c6cc5c68f2a364 /include/asm-arm/arch-iop13xx/time.h | |
parent | b7405e16435f710edfae6ba32bef4ca20d3de145 (diff) | |
parent | 5cd47155155a32e5b944ac9fc3f3dc578e429aa0 (diff) |
Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (82 commits)
[ARM] Add comments marking in-use ptrace numbers
[ARM] Move syscall saving out of the way of utrace
[ARM] 4360/1: S3C24XX: regs-udc.h remove unused macro
[ARM] 4358/1: S3C24XX: mach-qt2410.c: remove linux/mmc/protocol.h header
[ARM] mm 10: allow memory type to be specified with ioremap
[ARM] mm 9: add additional device memory types
[ARM] mm 8: define mem_types table L1 bit 4 to be for ARMv6
[ARM] iop: add missing parens in macro
[ARM] mm 7: remove duplicated __ioremap() prototypes
ARM: OMAP: fix OMAP1 mpuio suspend/resume oops
ARM: OMAP: MPUIO wake updates
ARM: OMAP: speed up gpio irq handling
ARM: OMAP: plat-omap changes for 2430 SDP
ARM: OMAP: gpio object shrinkage, cleanup
ARM: OMAP: /sys/kernel/debug/omap_gpio
ARM: OMAP: Implement workaround for GPIO wakeup bug in OMAP2420 silicon
ARM: OMAP: Enable 24xx GPIO autoidling
[ARM] 4318/2: DSM-G600 Board Support
[ARM] 4227/1: minor head.S fixups
[ARM] 4328/1: Move i.MX UART regs to driver
...
Diffstat (limited to 'include/asm-arm/arch-iop13xx/time.h')
-rw-r--r-- | include/asm-arm/arch-iop13xx/time.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/include/asm-arm/arch-iop13xx/time.h b/include/asm-arm/arch-iop13xx/time.h index 77a837a02dec..49213d9d7cad 100644 --- a/include/asm-arm/arch-iop13xx/time.h +++ b/include/asm-arm/arch-iop13xx/time.h | |||
@@ -7,9 +7,65 @@ | |||
7 | #define IOP_TMR_PRIVILEGED 0x08 | 7 | #define IOP_TMR_PRIVILEGED 0x08 |
8 | #define IOP_TMR_RATIO_1_1 0x00 | 8 | #define IOP_TMR_RATIO_1_1 0x00 |
9 | 9 | ||
10 | #define IOP13XX_XSI_FREQ_RATIO_MASK (3 << 19) | ||
11 | #define IOP13XX_XSI_FREQ_RATIO_2 (0 << 19) | ||
12 | #define IOP13XX_XSI_FREQ_RATIO_3 (1 << 19) | ||
13 | #define IOP13XX_XSI_FREQ_RATIO_4 (2 << 19) | ||
14 | #define IOP13XX_CORE_FREQ_MASK (7 << 16) | ||
15 | #define IOP13XX_CORE_FREQ_600 (0 << 16) | ||
16 | #define IOP13XX_CORE_FREQ_667 (1 << 16) | ||
17 | #define IOP13XX_CORE_FREQ_800 (2 << 16) | ||
18 | #define IOP13XX_CORE_FREQ_933 (3 << 16) | ||
19 | #define IOP13XX_CORE_FREQ_1000 (4 << 16) | ||
20 | #define IOP13XX_CORE_FREQ_1200 (5 << 16) | ||
21 | |||
10 | void iop_init_time(unsigned long tickrate); | 22 | void iop_init_time(unsigned long tickrate); |
11 | unsigned long iop_gettimeoffset(void); | 23 | unsigned long iop_gettimeoffset(void); |
12 | 24 | ||
25 | static inline unsigned long iop13xx_core_freq(void) | ||
26 | { | ||
27 | unsigned long freq = __raw_readl(IOP13XX_PROCESSOR_FREQ); | ||
28 | freq &= IOP13XX_CORE_FREQ_MASK; | ||
29 | switch (freq) { | ||
30 | case IOP13XX_CORE_FREQ_600: | ||
31 | return 600000000; | ||
32 | case IOP13XX_CORE_FREQ_667: | ||
33 | return 667000000; | ||
34 | case IOP13XX_CORE_FREQ_800: | ||
35 | return 800000000; | ||
36 | case IOP13XX_CORE_FREQ_933: | ||
37 | return 933000000; | ||
38 | case IOP13XX_CORE_FREQ_1000: | ||
39 | return 1000000000; | ||
40 | case IOP13XX_CORE_FREQ_1200: | ||
41 | return 1200000000; | ||
42 | default: | ||
43 | printk("%s: warning unknown frequency, defaulting to 800Mhz\n", | ||
44 | __FUNCTION__); | ||
45 | } | ||
46 | |||
47 | return 800000000; | ||
48 | } | ||
49 | |||
50 | static inline unsigned long iop13xx_xsi_bus_ratio(void) | ||
51 | { | ||
52 | unsigned long ratio = __raw_readl(IOP13XX_PROCESSOR_FREQ); | ||
53 | ratio &= IOP13XX_XSI_FREQ_RATIO_MASK; | ||
54 | switch (ratio) { | ||
55 | case IOP13XX_XSI_FREQ_RATIO_2: | ||
56 | return 2; | ||
57 | case IOP13XX_XSI_FREQ_RATIO_3: | ||
58 | return 3; | ||
59 | case IOP13XX_XSI_FREQ_RATIO_4: | ||
60 | return 4; | ||
61 | default: | ||
62 | printk("%s: warning unknown ratio, defaulting to 2\n", | ||
63 | __FUNCTION__); | ||
64 | } | ||
65 | |||
66 | return 2; | ||
67 | } | ||
68 | |||
13 | static inline void write_tmr0(u32 val) | 69 | static inline void write_tmr0(u32 val) |
14 | { | 70 | { |
15 | asm volatile("mcr p6, 0, %0, c0, c9, 0" : : "r" (val)); | 71 | asm volatile("mcr p6, 0, %0, c0, c9, 0" : : "r" (val)); |