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76 | 76 | ||
77 | #define LOOPS 150000 |
77 | #define LOOPS 150000 |
78 | #define SHIFT 11 |
78 | #define SHIFT 11 |
79 | void i8254_calibrate_delay_loop(void) |
79 | void i8254_calibrate_delay_loop(void) |
80 | { |
80 | { |
81 | __u64 clk1, clk2; |
81 | uint64_t clk1, clk2; |
82 | __u32 t1, t2, o1, o2; |
82 | uint32_t t1, t2, o1, o2; |
83 | __u8 not_ok; |
83 | uint8_t not_ok; |
84 | 84 | ||
85 | 85 | ||
86 | /* |
86 | /* |
87 | * One-shot timer. Count-down from 0xffff at 1193180Hz |
87 | * One-shot timer. Count-down from 0xffff at 1193180Hz |
88 | * MAGIC_NUMBER is the magic value for 1ms. |
88 | * MAGIC_NUMBER is the magic value for 1ms. |