/*----------------------------------------------------------------------------
SPI Serial Device "LPC17xx"
Write and Read a byte on SPI interface
*----------------------------------------------------------------------------*/
static uint8_t SpiWriteRead (uint8_t Data) {
//dummy to clear status
SPI_GetStatus(SpiInfo.pSpi);
//read for empty buffer
SPI_ReceiveData(SpiInfo.pSpi);
// Send data...
SPI_SendData(SpiInfo.pSpi, Data);
// Wait for transfer complete
while (SPI_CheckStatus(SPI_GetStatus(SpiInfo.pSpi), SPI_STAT_SPIF) == RESET);
return ((uint8_t)SPI_ReceiveData(SpiInfo.pSpi));
}
void gpio_init() {
SPI_CFG_Type spiInitialization;
PINSEL_CFG_Type PinSelCfg;
/*-----------------------------------------------------------------
*--------------------------PORT 0---------------------------------
*-----------------------------------------------------------------
*/
GPIO_SetDir(0, 0xFFFFFFFF, OUTPUT);
PinSelCfg.Portnum = PINSEL_PORT_0;
// PinSelCfg.Pinnum = PINSEL_PIN_0;
// PinSelCfg.Funcnum = PINSEL_FUNC_3;
// PinSelCfg.OpenDrain = 0;
// PinSelCfg.Pinmode = 0;
// PINSEL_ConfigPin(&PinSelCfg);
//
// PinSelCfg.Pinnum = PINSEL_PIN_1;
// PINSEL_ConfigPin(&PinSelCfg);
PinSelCfg.Pinnum = PINSEL_PIN_2;
PinSelCfg.Funcnum = PINSEL_FUNC_1;
PinSelCfg.OpenDrain = PINSEL_PINMODE_NORMAL;
PinSelCfg.Pinmode = PINSEL_PINMODE_PULLUP;
PINSEL_ConfigPin(&PinSelCfg);
PinSelCfg.Pinnum = PINSEL_PIN_3;
PINSEL_ConfigPin(&PinSelCfg);
GPIO_SetDir(0, 0x01<<22, INPUT);
PinSelCfg.Pinnum = PINSEL_PIN_10;
PinSelCfg.Funcnum = PINSEL_FUNC_2;
PinSelCfg.OpenDrain = PINSEL_PINMODE_OPENDRAIN;
PinSelCfg.Pinmode = PINSEL_PINMODE_TRISTATE;
PINSEL_ConfigPin(&PinSelCfg);
PinSelCfg.Pinnum = PINSEL_PIN_11;
PINSEL_ConfigPin(&PinSelCfg);
//SET FMC_I2C1 in Hi-Z
GPIO_SetDir(0, 0x01<<19, INPUT);
GPIO_SetDir(0, 0x01<<20, INPUT);
// PinSelCfg.Pinmode = PINSEL_PINMODE_TRISTATE;
// PinSelCfg.Funcnum = PINSEL_FUNC_3;
// PinSelCfg.Pinnum = PINSEL_PIN_19;
// PINSEL_ConfigPin(&PinSelCfg);
//
// PinSelCfg.Pinnum = PINSEL_PIN_20;
// PINSEL_ConfigPin(&PinSelCfg);
PinSelCfg.Funcnum = PINSEL_FUNC_1;
PinSelCfg.OpenDrain = PINSEL_PINMODE_OPENDRAIN;
PinSelCfg.Pinnum = PINSEL_PIN_27;
PINSEL_ConfigPin(&PinSelCfg);
PinSelCfg.Pinnum = PINSEL_PIN_28;
PINSEL_ConfigPin(&PinSelCfg);
PinSelCfg.Pinnum = PINSEL_PIN_29;
PinSelCfg.Funcnum = PINSEL_FUNC_1;
PinSelCfg.OpenDrain = PINSEL_PINMODE_NORMAL;
PinSelCfg.Pinmode = PINSEL_PINMODE_TRISTATE;
PINSEL_ConfigPin(&PinSelCfg);
PinSelCfg.Pinnum = PINSEL_PIN_30;
PINSEL_ConfigPin(&PinSelCfg);
/*-----------------------------------------------------------------
*---------------------END OF PORT 0-------------------------------
*-----------------------------------------------------------------
*-----------------------------------------------------------------
* ------------------------PORT 1----------------------------------
* ----------------------------------------------------------------
*/
GPIO_SetDir(1, 0xFFFFFFFF, OUTPUT);
GPIO_SetDir(1, ( 0x01<<IPMI_GA0 | 0x01<<IPMI_GA1 | 0x01<<IPMI_GA2 ), INPUT);
GPIO_SetValue(LED_PORT, (0x01<<_IPMI_BLLED|0x01<<_IPMI_LED1|0x01<<_IPMI_LED2) );
// PinSelCfg.Portnum = PINSEL_PORT_1;
// PinSelCfg.Pinnum = PINSEL_PIN_30;
// PinSelCfg.Funcnum = PINSEL_FUNC_2;
// PinSelCfg.OpenDrain = PINSEL_PINMODE_NORMAL;
// PinSelCfg.Pinmode = PINSEL_PINMODE_TRISTATE;
// PINSEL_ConfigPin(&PinSelCfg);
GPIO_SetDir(ENA_PORT, 0x001<<ENA_PIN, INPUT);
GPIO_SetDir(2, 0x0400, INPUT);
GPIO_SetDir(IPMI_EJTHDL_PORT, 0x001<<IPMI_EJTHDL, INPUT);
GPIO_SetDir(1, 0x01<<22, INPUT);
GPIO_SetDir(PGOOD_PORT, 0x01<<PGOOD_PIN, INPUT);
gpio_clr_gpio_pin(_IPMI_BLLED, LED_PORT); // turn on blue LED ASAP
gpio_clr_gpio_pin(UC_PWRENOUT, UC_PWRENOUT_PORT); // turn off power enable
PinSelCfg.Pinnum = PINSEL_PIN_15;
PinSelCfg.Portnum = PINSEL_PORT_0;
PinSelCfg.Pinmode = PINSEL_PINMODE_PULLUP;
PinSelCfg.Funcnum = PINSEL_FUNC_3;
PinSelCfg.OpenDrain = PINSEL_PINMODE_NORMAL;
PINSEL_ConfigPin(&PinSelCfg);
PinSelCfg.Pinnum = PINSEL_PIN_18;
PINSEL_ConfigPin(&PinSelCfg);
GPIO_SetDir(1, 0x01<<26, OUTPUT);
GPIO_SetValue(1, 0x01<<26);
GPIO_SetDir(0, 0x01<<21, OUTPUT);
GPIO_SetDir(0, 0x01<<16, OUTPUT);
GPIO_SetValue(0, 0x01<<16);
GPIO_SetValue(0, 0x01<<21);
GPIO_SetDir(PORT_EN_0, 0x01<<EN_P1V2, OUTPUT);
GPIO_SetDir(PORT_EN_0, 0x01<<EN_P1V8, OUTPUT);
GPIO_SetDir(PORT_EN_0, 0x01<<EN_FMC2_P3V3, OUTPUT);
GPIO_SetDir(PORT_EN_0, 0x01<<EN_FMC1_P3V3, OUTPUT);
GPIO_SetDir(PORT_EN_0, 0x01<<EM_FMC1_P12V, OUTPUT);
GPIO_SetDir(PORT_EN_0, 0x01<<EN_FMC2_P12V, OUTPUT);
GPIO_SetDir(PORT_EN_1, 0x01<<EN_FMC1_PVADJ, OUTPUT);
GPIO_SetDir(PORT_EN_1, 0x01<<EN_FMC2_PVADJ, OUTPUT);
GPIO_SetDir(PORT_EN_1, 0x01<<EN_P3V3, OUTPUT);
GPIO_SetDir(PORT_EN_1, 0x01<<EN_1V5_VTT, OUTPUT);
GPIO_SetDir(PORT_EN_1, 0x01<<EN_RTM_CONN, OUTPUT);
GPIO_SetDir(PORT_EN_0, 0x01<<RTM_PRESENCE, INPUT);
GPIO_SetDir(PORT_EN_3, 0x01<<EN_P1V0, OUTPUT);
setDC_DC_ConvertersON();
spiInitialization.CPOL = SPI_CPOL_LO;
spiInitialization.CPHA = SPI_CPHA_FIRST;
spiInitialization.Databit = SPI_DATABIT_10;
spiInitialization.DataOrder = SPI_DATA_MSB_FIRST;
spiInitialization.ClockRate = 10000000;
SPI_Init(LPC_SPI, &spiInitialization);
LPC_SPI->SPCR = 0xA24;
GPIO_ClearValue(0, 0x01<<16);
SPI_SendData(LPC_SPI, 0x0125);
while(! ( SPI_CheckStatus( SPI_GetStatus(LPC_SPI), SPI_STAT_SPIF) ));
GPIO_SetValue(0, 0x01<<16);
GPIO_ClearValue(0, 0x01<<16);
SPI_SendData(LPC_SPI, 0x0025);
while(! ( SPI_CheckStatus( SPI_GetStatus(LPC_SPI), SPI_STAT_SPIF) ));
GPIO_SetValue(0, 0x01<<16);
//SCANSTA JTAG
GPIO_SetDir(2, 0x0FF, OUTPUT);
GPIO_SetValue(2, 0x080);
GPIO_ClearValue(2, 0x07F);
SPI_ConfigStructInit(&spiInitialization);
//FPGA_SPI
GPIO_SetDir(1, 0x01<<20, INPUT);
GPIO_SetDir(1, 0x01<<21, INPUT);
GPIO_SetDir(1, 0x01<<23, INPUT);
GPIO_SetDir(1, 0x01<<24, INPUT);
// SET PROGRAM_B AS OUTPUT
// AND SET THIS PIN HIGH
GPIO_SetDir(0, 0x01<<17, INPUT);
// SET DONE PIN AS INPUT
// turn on pull-up
GPIO_SetDir(0, 0x01<<22, INPUT);
////////////////////////////////////////
// P0_6 - FCS_B - use as FPGA - RST
////////////////////////////////////////
GPIO_SetDir(0, 0x01<<6, INPUT);
//GPIO_ClearValue(0, 0x01<<6);
///////////////////////////////////////
GPIO_SetDir(0, 0x01<<7, INPUT);
GPIO_SetDir(0, 0x01<<8, INPUT);
#ifdef AMC_CPU_COM_Express
GPIO_SetDir(0, 0x01<<9, OUTPUT);
#else
GPIO_SetDir(0, 0x01<<9, INPUT);
#endif
///////////////////////////////////////
//FMC STATUS PORTS
///////////////////////////////////////
GPIO_SetDir(1, 0x1<<14, INPUT);
GPIO_SetDir(1, 0x1<<15, INPUT);
GPIO_SetDir(1, 0x1<<16, INPUT);
GPIO_SetDir(1, 0x1<<17, INPUT);
GPIO_SetDir(1, 0x1<<18, INPUT);
GPIO_SetDir(1, 0x1<<19, INPUT);
///////////////////////////////////////
// FPGA Reset Button
EXTI_InitTypeDef EXTICfg;
/* Initialize EXT pin and register */
/* P2.12 as /EINT2*/
PinSelCfg.Funcnum = PINSEL_FUNC_1;
PinSelCfg.OpenDrain = PINSEL_PINMODE_NORMAL;
PinSelCfg.Pinmode = PINSEL_PINMODE_PULLUP;
PinSelCfg.Pinnum = FPGA_RST_SW;
PinSelCfg.Portnum = FPGA_RST_SW_PORT;
PINSEL_ConfigPin(&PinSelCfg);
PinSelCfg.Funcnum = PINSEL_FUNC_0;
PinSelCfg.OpenDrain = PINSEL_PINMODE_NORMAL;
PinSelCfg.Pinmode = PINSEL_PINMODE_PULLUP;
PinSelCfg.Pinnum = FPGA_RESETn;
PinSelCfg.Portnum = FPGA_RESETn_PORT;
PINSEL_ConfigPin(&PinSelCfg);
GPIO_SetDir(FPGA_RESETn_PORT, 1<<FPGA_RESETn, OUTPUT);
EXTI_Init();
EXTICfg.EXTI_Line = EXTI_EINT2;
EXTICfg.EXTI_Mode = EXTI_MODE_EDGE_SENSITIVE;
EXTICfg.EXTI_polarity = EXTI_POLARITY_LOW_ACTIVE_OR_FALLING_EDGE;
EXTI_ClearEXTIFlag(EXTI_EINT2);
EXTI_Config(&EXTICfg);
GPIO_IntCmd(0, 0x01 << FPGA_RST_SW, 1);
NVIC_SetPriorityGrouping(0);
NVIC_SetPriority(EINT2_IRQn, 4);
NVIC_EnableIRQ(EINT2_IRQn);
}
