/*----------------------------------------------------------------------------*/
static enum result eepromInit(void *object, const void *configBase)
{
const struct EepromConfig * const config = configBase;
struct Eeprom * const interface = object;
if (!setDescriptor(0, interface))
return E_BUSY;
interface->position = 0;
interface->size = (uintptr_t)&_eeeprom - (uintptr_t)&_seeprom;
interface->blocking = true;
/* Enable clock to register interface and peripheral */
sysClockEnable(CLK_M4_EEPROM);
/* Reset registers to default values */
sysResetEnable(RST_EEPROM);
const uint32_t frequency = clockFrequency(MainClock);
LPC_EEPROM->CLKDIV = (frequency + (EEPROM_CLOCK - 1)) / EEPROM_CLOCK - 1;
LPC_EEPROM->INTENSET = INT_PROG_DONE;
if (config)
irqSetPriority(EEPROM_IRQ, config->priority);
irqEnable(EEPROM_IRQ);
return E_OK;
}
/*----------------------------------------------------------------------------*/
void platformStartup(void)
{
static const enum sysClockBranch blocksToDisable[] = {
CLK_APB3_I2C1,
CLK_APB3_DAC,
CLK_APB3_ADC0,
CLK_APB3_ADC1,
CLK_APB3_CAN0,
CLK_APB1_MCPWM,
CLK_APB1_I2C0,
CLK_APB1_I2S,
CLK_APB1_CAN1,
CLK_M4_SPIFI,
CLK_M4_LCD,
CLK_M4_ENET,
CLK_M4_USB0,
CLK_M4_EMC,
CLK_M4_SDIO,
CLK_M4_GPDMA,
CLK_M4_SCT,
CLK_M4_USB1,
CLK_M4_EMCDIV,
CLK_M4_M0APP,
CLK_M4_ADCHS,
CLK_M4_EEPROM,
CLK_M4_WWDT,
CLK_M4_USART0,
CLK_M4_UART1,
CLK_M4_SSP0,
CLK_M4_TIMER0,
CLK_M4_TIMER1,
CLK_M4_RIT,
CLK_M4_USART2,
CLK_M4_USART3,
CLK_M4_TIMER2,
CLK_M4_TIMER3,
CLK_M4_SSP1,
CLK_M4_QEI,
CLK_APB2_USART3,
CLK_APB2_USART2,
CLK_APB0_UART1,
CLK_APB0_USART0,
CLK_APB2_SSP1,
CLK_APB0_SSP0,
CLK_SPIFI,
CLK_SPI,
CLK_ADCHS,
CLK_AUDIO,
CLK_SDIO,
CLK_PERIPH_SGPIO
};
/*
* CLK_M4_BUS, CLK_M4_GPIO, CLK_M4_M4CORE, CLK_M4_FLASHA, CLK_M4_FLASHB,
* CLK_M4_SCU, CLK_M4_CREG are enabled by default.
* CLK_USB0, CLK_USB1, CLK_PERIPH_BUS, CLK_PERIPH_CORE are left untouched.
*/
for (unsigned int index = 0; index < ARRAY_SIZE(blocksToDisable); ++index)
sysClockDisable(blocksToDisable[index]);
#ifdef CONFIG_FPU
fpuEnable();
#endif
/* Reset SCU and GPIO blocks */
sysResetEnable(RST_SCU);
sysResetEnable(RST_GPIO);
}
