diff options
Diffstat (limited to 'c/src/lib/libbsp/powerpc/mpc55xxevb/clock/clock-config.c')
| -rw-r--r-- | c/src/lib/libbsp/powerpc/mpc55xxevb/clock/clock-config.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/c/src/lib/libbsp/powerpc/mpc55xxevb/clock/clock-config.c b/c/src/lib/libbsp/powerpc/mpc55xxevb/clock/clock-config.c index b9601d08d7..7daae561d3 100644 --- a/c/src/lib/libbsp/powerpc/mpc55xxevb/clock/clock-config.c +++ b/c/src/lib/libbsp/powerpc/mpc55xxevb/clock/clock-config.c @@ -81,25 +81,25 @@ static void mpc55xx_clock_initialize( void) } /* Configure eMIOS channel */ - + /* Set channel in GPIO mode */ ccr.B.MODE = MPC55XX_EMIOS_MODE_GPIO_INPUT; regs->CCR.R = ccr.R; - + /* Clear status flags */ csr.B.OVR = 1; csr.B.OVFL = 1; csr.B.FLAG = 1; regs->CSR.R = csr.R; - + /* Set timer period */ regs->CADR.R = (uint32_t) interval - 1; - + /* Set unused registers */ regs->CBDR.R = 0; regs->CCNTR.R = 0; regs->ALTCADR.R = 0; - + /* Set control register */ ccr.B.MODE = MPC55XX_EMIOS_MODE_MC_UP_INT_CLK; ccr.B.UCPREN = 1; @@ -132,17 +132,17 @@ static uint32_t mpc55xx_clock_nanoseconds_since_last_tick( void) uint64_t clicks = EMIOS.CH [MPC55XX_CLOCK_EMIOS_CHANNEL].CCNTR.R; uint64_t clock = bsp_clock_speed; uint64_t ns = (clicks * 1000000000) / clock; - + return (uint32_t) ns; } - + #define Clock_driver_support_initialize_hardware() mpc55xx_clock_initialize() #define Clock_driver_support_install_isr( isr, old_isr) \ mpc55xx_clock_handler_install() #define Clock_driver_support_shutdown_hardware() mpc55xx_clock_cleanup() - + #define Clock_driver_nanoseconds_since_last_tick \ mpc55xx_clock_nanoseconds_since_last_tick |