Searched refs:prescaler (Results 1 - 3 of 3) sorted by relevance
| /freebsd-10.0-release/sys/arm/s3c2xx0/ |
| H A D | s3c24x0_clk.c | 158 int err, prescaler; local
169 #define time_constant(hz) (TIMER_FREQUENCY(pclk) /(hz)/ prescaler)
172 prescaler = 1; \
174 ++prescaler; \
185 /* calc suitable prescaler value */
188 timer4_prescaler = prescaler;
189 timer4_reload_value = TIMER_FREQUENCY(pclk) / hz / prescaler;
193 ((prescaler - 1) << 16) | (timer4_reload_value - 1));
195 printf("clock: hz=%d PCLK=%d prescaler=%d tc=%ld\n",
196 hz, pclk, prescaler, t
[all...] |
| /freebsd-10.0-release/sys/powerpc/mpc85xx/ |
| H A D | fsl_sdhc.c | 249 uint32_t divisor, prescaler = 1; local
281 prescaler <<= 1;
289 set_bit(sc, SDHC_SYSCTL, (prescaler << SHIFT_SDCLKFS) |
304 (base_clock / prescaler) / (divisor + 1));
|
| /freebsd-10.0-release/sys/dev/cy/ |
| H A D | cy.c | 2011 int prescaler; local
2019 /* determine which prescaler to use */
2020 for (prescaler_unit = 4, prescaler = 2048; prescaler_unit;
2021 prescaler_unit--, prescaler >>= 2) {
2022 if (cy_clock / prescaler / speed > 63)
2026 divider = (cy_clock / prescaler * 2 / speed + 1) / 2; /* round off */
2029 actual = cy_clock/prescaler/divider;
|
Completed in 98 milliseconds