/* Set up and initialize clocking prior to call to main */
void Board_SetupClocking(void)
{
int i;
Chip_SetupCoreClock(CLKIN_CRYSTAL, MAX_CLOCK_FREQ, true);
/* Reset and enable 32Khz oscillator */
LPC_CREG->CREG0 &= ~((1 << 3) | (1 << 2));
LPC_CREG->CREG0 |= (1 << 1) | (1 << 0);
/* Setup a divider E for main PLL clock switch SPIFI clock to that divider.
Divide rate is based on CPU speed and speed of SPI FLASH part. */
#if (MAX_CLOCK_FREQ > 180000000)
Chip_Clock_SetDivider(CLK_IDIV_E, CLKIN_MAINPLL, 5);
#else
Chip_Clock_SetDivider(CLK_IDIV_E, CLKIN_MAINPLL, 4);
#endif
Chip_Clock_SetBaseClock(CLK_BASE_SPIFI, CLKIN_IDIVE, true, false);
/* Setup system base clocks and initial states. This won't enable and
disable individual clocks, but sets up the base clock sources for
each individual peripheral clock. */
for (i = 0; i < (sizeof(InitClkStates) / sizeof(InitClkStates[0])); i++) {
Chip_Clock_SetBaseClock(InitClkStates[i].clk, InitClkStates[i].clkin,
InitClkStates[i].autoblock_enab, InitClkStates[i].powerdn);
}
}
void InicializarCPU(void)
{
Chip_SetupCoreClock(CLKIN_IRC, MAX_CLOCK_FREQ/4, true);
}
/* Set up and initialize hardware prior to call to main */
void Chip_SetupIrcClocking(void)
{
Chip_SetupCoreClock(CLKIN_IRC, MAX_CLOCK_FREQ, true);
}
/* Setup system clocking */
void Chip_SetupXtalClocking(void)
{
Chip_SetupCoreClock(CLKIN_CRYSTAL, MAX_CLOCK_FREQ, true);
}
