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Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * linux/include/asm-arm/arch-ixp4xx/timex.h | |
3 | * | |
4 | */ | |
5 | ||
be509729 | 6 | #include <asm/arch/hardware.h> |
1da177e4 LT |
7 | |
8 | /* | |
9 | * We use IXP425 General purpose timer for our timer needs, it runs at | |
9138dccb DS |
10 | * 66.66... MHz. We do a convulted calculation of CLOCK_TICK_RATE b/c the |
11 | * timer register ignores the bottom 2 bits of the LATCH value. | |
1da177e4 | 12 | */ |
9138dccb DS |
13 | #define FREQ 66666666 |
14 | #define CLOCK_TICK_RATE (((FREQ / HZ & ~IXP4XX_OST_RELOAD_MASK) + 1) * HZ) | |
1da177e4 | 15 |