/**************************************************************************//**
* @brief Initialize the EBI interface for accessing the onboard nandflash.
*
* @note This function is not relevant for Gxxx_STK's.
*
* @return
* @ref BSP_STATUS_OK or @ref BSP_STATUS_NOT_IMPLEMENTED
*****************************************************************************/
int BSP_EbiInit(void)
{
#if defined( BSP_STK_USE_EBI )
/* ------------------------------------------ */
/* NAND Flash, Bank0, Base Address 0x80000000 */
/* Micron flash NAND256W3A */
/* ------------------------------------------ */
EBI_Init_TypeDef ebiConfig =
{ ebiModeD8A8, /* 8 bit address, 8 bit data */
ebiActiveLow, /* ARDY polarity */
ebiActiveLow, /* ALE polarity */
ebiActiveLow, /* WE polarity */
ebiActiveLow, /* RE polarity */
ebiActiveLow, /* CS polarity */
ebiActiveLow, /* BL polarity */
false, /* disble BL */
true, /* enable NOIDLE */
false, /* disable ARDY */
true, /* disable ARDY timeout */
EBI_BANK0, /* enable bank 0 */
0, /* no chip select */
0, /* addr setup cycles */
0, /* addr hold cycles */
false, /* disable half cycle ALE strobe */
0, /* read setup cycles */
2, /* read strobe cycles */
1, /* read hold cycles */
false, /* disable page mode */
false, /* disable prefetch */
false, /* disable half cycle REn strobe */
0, /* write setup cycles */
2, /* write strobe cycles */
1, /* write hold cycles */
false, /* enable the write buffer */
false, /* disable half cycle WEn strobe */
ebiALowA24, /* ALB - Low bound, address lines */
ebiAHighA26, /* APEN - High bound, address lines */
ebiLocation1, /* Use Location 1 */
true, /* enable EBI */
};
/* Enable clocks */
CMU_ClockEnable(cmuClock_HFPER, true);
CMU_ClockEnable(cmuClock_GPIO, true);
CMU_ClockEnable(cmuClock_EBI, true);
/* Enable GPIO's */
/* ALE and CLE */
GPIO_PinModeSet(gpioPortC, 1, gpioModePushPull, 0);
GPIO_PinModeSet(gpioPortC, 2, gpioModePushPull, 0);
/* WP, CE and R/B */
GPIO_PinModeSet(gpioPortD, 13, gpioModePushPull, 0); /* active low write-protect */
GPIO_PinModeSet(gpioPortD, 14, gpioModePushPull, 1); /* active low chip-enable */
GPIO_PinModeSet(gpioPortD, 15, gpioModeInput, 0); /* ready/busy */
/* IO pins */
GPIO_PinModeSet(gpioPortE, 8, gpioModePushPull, 0);
GPIO_PinModeSet(gpioPortE, 9, gpioModePushPull, 0);
GPIO_PinModeSet(gpioPortE, 10, gpioModePushPull, 0);
GPIO_PinModeSet(gpioPortE, 11, gpioModePushPull, 0);
GPIO_PinModeSet(gpioPortE, 12, gpioModePushPull, 0);
GPIO_PinModeSet(gpioPortE, 13, gpioModePushPull, 0);
GPIO_PinModeSet(gpioPortE, 14, gpioModePushPull, 0);
GPIO_PinModeSet(gpioPortE, 15, gpioModePushPull, 0);
/* WE and RE */
GPIO_PinModeSet(gpioPortF, 8, gpioModePushPull, 1);
GPIO_PinModeSet(gpioPortF, 9, gpioModePushPull, 1);
/* NAND Power Enable */
GPIO_PinModeSet(gpioPortB, 15, gpioModePushPull, 1);
EBI_Init(&ebiConfig);
EBI->NANDCTRL = (EBI_NANDCTRL_BANKSEL_BANK0 | EBI_NANDCTRL_EN);
return BSP_STATUS_OK;
#else
return BSP_STATUS_NOT_IMPLEMENTED;
#endif
}
extern void ebi_init()
{
EBI_Init_TypeDef ebiConfig = EBI_INIT_DEFAULT;
CMU_ClockEnable(cmuClock_EBI, true);
CMU_ClockEnable(cmuClock_GPIO, true);
/* --- Configure GPIO pins as push pull -------------------- */
/* EBI AD9..15 */
GPIO_PinModeSet( gpioPortA, 0, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortA, 1, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortA, 2, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortA, 3, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortA, 4, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortA, 5, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortA, 6, gpioModePushPull, 0 );
/* EBI AD8 */
GPIO_PinModeSet( gpioPortA, 15, gpioModePushPull, 0 );
/* EBI A00-A06 */
GPIO_PinModeSet( gpioPortA, 12, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortA, 13, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortA, 14, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortB, 9, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortB, 10, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortC, 6, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortC, 7, gpioModePushPull, 0 );
/* EBI A07-A14 */
GPIO_PinModeSet( gpioPortE, 0, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortE, 1, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortC, 9, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortC, 10, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortE, 4, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortE, 5, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortE, 6, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortE, 7, gpioModePushPull, 0 );
/* EBI A15-A18 */
GPIO_PinModeSet( gpioPortC, 8, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortB, 0, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortB, 1, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortB, 2, gpioModePushPull, 0 );
/* EBI CS0-CS3 */
GPIO_PinModeSet( gpioPortD, 9, gpioModePushPull, 1 );
// GPIO_PinModeSet( gpioPortD, 11, gpioModePushPull, 1 );
// GPIO_PinModeSet( gpioPortD, 12, gpioModePushPull, 1 );
/* EBI AD0..7 */
GPIO_PinModeSet( gpioPortE, 8, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortE, 9, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortE, 10, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortE, 11, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortE, 12, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortE, 13, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortE, 14, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortE, 15, gpioModePushPull, 0 );
/* EBI ARDY/WEN/REN/ALE */
GPIO_PinModeSet( gpioPortF, 2, gpioModeInput, 0 );
GPIO_PinModeSet( gpioPortF, 8, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortF, 9, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortC, 11, gpioModePushPull, 0 );
/* EBI Byte Lane 0 support BL0/BL1 */
GPIO_PinModeSet( gpioPortF, 6, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortF, 7, gpioModePushPull, 0 );
/* --------------------------------------------------------- */
/* SRAM, Bank 0, Base Address 0x80000000 */
/* --------------------------------------------------------- */
ebiConfig.banks = EBI_BANK0;
ebiConfig.csLines = EBI_CS0;
ebiConfig.mode = ebiModeD16;
ebiConfig.alePolarity = ebiActiveHigh;
ebiConfig.location = ebiLocation1;
/* keep blEnable */
ebiConfig.blEnable = false;
ebiConfig.addrHalfALE = false;
ebiConfig.readPrefetch = false;
ebiConfig.noIdle = true;
/* keep alow/ahigh configuration */
ebiConfig.aLow = ebiALowA0;
ebiConfig.aHigh = ebiAHighA19;
/* set polarity to active low */
ebiConfig.wePolarity = ebiActiveLow;
ebiConfig.rePolarity = ebiActiveLow;
/* Address Setup and hold time */
ebiConfig.addrHoldCycles = 3;
ebiConfig.addrSetupCycles = 3;
/* Read cycle times */
ebiConfig.readStrobeCycles = 7;
ebiConfig.readHoldCycles = 3;
ebiConfig.readSetupCycles = 3;
/* Write cycle times */
ebiConfig.writeStrobeCycles = 7;
ebiConfig.writeHoldCycles = 3;
ebiConfig.writeSetupCycles = 3;
/* Configure EBI bank 0 */
EBI_Init(&ebiConfig);
}
/**************************************************************************//**
* @brief Configure DK3x50 EBI (external bus interface) access for
* - 0x80000000: Board Control registers (Xilinx Spartan FPGA)
* - 0x84000000: TFT memory mapped drive (URT/SSD2119 controller)
* - 0x88000000: PSRAM external memory (Micron MT45W2MW16PGA-70 IT)
* - 0x8c000000: NOR flash (Spansion flash S29GLxxx_FBGA)
* @return true if successful, false if board controller access failed
*****************************************************************************/
static bool EbiInit(void)
{
EBI_Init_TypeDef ebiConfig = EBI_INIT_DEFAULT;
/* Enable clocks */
CMU_ClockEnable(cmuClock_EBI, true);
CMU_ClockEnable(cmuClock_GPIO, true);
#if defined(_EFM32_GECKO_FAMILY)
/* Configure LCD_SELECT (EBI and LCD cannot be shared) */
GPIO_PinModeSet( gpioPortC, 12, gpioModePushPull, 1 );
/* Configure GPIO pins as push pull */
/* EBI AD9..15 */
GPIO_PinModeSet( gpioPortA, 0, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortA, 1, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortA, 2, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortA, 3, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortA, 4, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortA, 5, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortA, 6, gpioModePushPull, 0 );
/* EBI AD8 */
GPIO_PinModeSet( gpioPortA, 15, gpioModePushPull, 0 );
/* EBI CS0-CS3 */
GPIO_PinModeSet( gpioPortD, 9, gpioModePushPull, 1 );
GPIO_PinModeSet( gpioPortD, 10, gpioModePushPull, 1 );
GPIO_PinModeSet( gpioPortD, 11, gpioModePushPull, 1 );
GPIO_PinModeSet( gpioPortD, 12, gpioModePushPull, 1 );
/* EBI AD0..7 */
GPIO_PinModeSet( gpioPortE, 8, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortE, 9, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortE, 10, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortE, 11, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortE, 12, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortE, 13, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortE, 14, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortE, 15, gpioModePushPull, 0 );
/* EBI ARDY/ALEN/Wen/Ren */
GPIO_PinModeSet( gpioPortF, 2, gpioModeInput, 0 );
GPIO_PinModeSet( gpioPortF, 3, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortF, 4, gpioModePushPull, 1 );
GPIO_PinModeSet( gpioPortF, 5, gpioModePushPull, 1 );
/* Byte Lanes */
GPIO_PinModeSet( gpioPortF, 6, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortF, 7, gpioModePushPull, 0 );
/* Configure EBI controller, changing default values */
ebiConfig.mode = ebiModeD16A16ALE;
/* --------------------------------------------------------- */
/* Board Control Registers, Bank 0, Base Address 0x80000000 */
/* FPGA Xilinx Spartan XC6SLX9 CSG324 */
/* --------------------------------------------------------- */
/* ----------------------------------------------------- */
/* TFT-LCD Registers, Bank1, Base Address 0x84000000 */
/* URT USMH_8252MD_320X240_RGB */
/* Solomon Systech SSD 2119 */
/* ----------------------------------------------------- */
/* ---------------------------------------------------- */
/* External 4MB PSRAM, Bank 2, Base Address 0x88000000 */
/* Micron MT45W2MW16PGA-70 IT, 32Mb Cellular RAM */
/* ---------------------------------------------------- */
/* ----------------------------------------- */
/* NOR Flash, Bank3, Base Address 0x8c000000 */
/* Spansion flash S29GLxxx_FBGA */
/* ----------------------------------------- */
ebiConfig.banks = EBI_BANK0 | EBI_BANK1 | EBI_BANK2 | EBI_BANK3;
ebiConfig.csLines = EBI_CS0 | EBI_CS1 | EBI_CS2 | EBI_CS3;
/* Address Setup and hold time */
ebiConfig.addrHoldCycles = 3;
ebiConfig.addrSetupCycles = 3;
/* Read cycle times */
ebiConfig.readStrobeCycles = 7;
ebiConfig.readHoldCycles = 3;
ebiConfig.readSetupCycles = 3;
/* Write cycle times */
ebiConfig.writeStrobeCycles = 7;
ebiConfig.writeHoldCycles = 3;
ebiConfig.writeSetupCycles = 3;
/* Address Latch Enable polarity is active high */
ebiConfig.alePolarity = ebiActiveHigh;
/* Configure EBI */
EBI_Init(&ebiConfig);
#else
/* Giant or Leopard family. */
/* Configure GPIO pins as push pull */
/* EBI AD9..15 */
GPIO_PinModeSet( gpioPortA, 0, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortA, 1, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortA, 2, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortA, 3, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortA, 4, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortA, 5, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortA, 6, gpioModePushPull, 0 );
/* EBI AD8 */
GPIO_PinModeSet( gpioPortA, 15, gpioModePushPull, 0 );
/* EBI A16-A22 */
GPIO_PinModeSet( gpioPortB, 0, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortB, 1, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortB, 2, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortB, 3, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortB, 4, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortB, 5, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortB, 6, gpioModePushPull, 0 );
/* EBI CS0-CS3 */
GPIO_PinModeSet( gpioPortD, 9, gpioModePushPull, 1 );
GPIO_PinModeSet( gpioPortD, 10, gpioModePushPull, 1 );
GPIO_PinModeSet( gpioPortD, 11, gpioModePushPull, 1 );
GPIO_PinModeSet( gpioPortD, 12, gpioModePushPull, 1 );
/* EBI AD0..7 */
GPIO_PinModeSet( gpioPortE, 8, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortE, 9, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortE, 10, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortE, 11, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortE, 12, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortE, 13, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortE, 14, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortE, 15, gpioModePushPull, 0 );
/* EBI ARDY/WEN/REN/ALE */
GPIO_PinModeSet( gpioPortF, 2, gpioModeInput, 0 );
GPIO_PinModeSet( gpioPortF, 8, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortF, 9, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortC, 11, gpioModePushPull, 0 );
/* EBI Byte Lane 0 support BL0/BL1 */
GPIO_PinModeSet( gpioPortF, 6, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortF, 7, gpioModePushPull, 0 );
/* ---------------------------------------------------- */
/* External 4MB PSRAM, Bank 2, Base Address 0x88000000 */
/* Micron MT45W2MW16PGA-70 IT, 32Mb Cellular RAM */
/* ---------------------------------------------------- */
ebiConfig.banks = EBI_BANK2;
ebiConfig.csLines = EBI_CS2;
ebiConfig.mode = ebiModeD16A16ALE;
ebiConfig.alePolarity = ebiActiveHigh;
ebiConfig.blEnable = true;
ebiConfig.noIdle = true;
ebiConfig.ardyEnable = false;
ebiConfig.addrHalfALE = true;
ebiConfig.readPrefetch = true;
ebiConfig.aLow = ebiALowA16;
ebiConfig.aHigh = ebiAHighA23;
ebiConfig.location = ebiLocation1;
/* Address Setup and hold time */
ebiConfig.addrHoldCycles = 0;
ebiConfig.addrSetupCycles = 0;
/* Read cycle times */
ebiConfig.readStrobeCycles = 4;
ebiConfig.readHoldCycles = 0;
ebiConfig.readSetupCycles = 0;
/* Write cycle times */
ebiConfig.writeStrobeCycles = 2;
ebiConfig.writeHoldCycles = 0;
ebiConfig.writeSetupCycles = 0;
/* Configure EBI bank 2 - external PSRAM */
EBI_Init(&ebiConfig);
/* --------------------------------------------------------- */
/* Board Control Registers, Bank 0, Base Address 0x80000000 */
/* FPGA Xilinx Spartan XC6SLX9 CSG324 */
/* --------------------------------------------------------- */
ebiConfig.banks = EBI_BANK0;
ebiConfig.csLines = EBI_CS0;
ebiConfig.mode = ebiModeD16A16ALE;;
ebiConfig.alePolarity = ebiActiveHigh;
/* keep blEnable */
ebiConfig.blEnable = false;
ebiConfig.addrHalfALE = true;
ebiConfig.readPrefetch = false;
ebiConfig.noIdle = true;
/* keep alow/ahigh configuration */
/* ebiConfig.aLow = ebiALowA0; - needs to be set for PSRAM */
/* ebiConfig.aHigh = ebiAHighA0; - needs to be set for PSRAM */
/* Address Setup and hold time */
ebiConfig.addrHoldCycles = 3;
ebiConfig.addrSetupCycles = 3;
/* Read cycle times */
ebiConfig.readStrobeCycles = 7;
ebiConfig.readHoldCycles = 3;
ebiConfig.readSetupCycles = 3;
/* Write cycle times */
ebiConfig.writeStrobeCycles = 7;
ebiConfig.writeHoldCycles = 3;
ebiConfig.writeSetupCycles = 3;
/* Configure EBI bank 0 */
EBI_Init(&ebiConfig);
/* ----------------------------------------------------- */
/* TFT-LCD Registers, Bank1, Base Address 0x84000000 */
/* URT USMH_8252MD_320X240_RGB */
/* Solomon Systech SSD 2119 */
/* ----------------------------------------------------- */
ebiConfig.banks = EBI_BANK1;
ebiConfig.csLines = EBI_CS1;
/* Address Setup and hold time */
ebiConfig.addrHoldCycles = 1;
ebiConfig.addrSetupCycles = 1;
/* Read cycle times */
ebiConfig.readStrobeCycles = 7;
ebiConfig.readHoldCycles = 3;
ebiConfig.readSetupCycles = 3;
/* Write cycle times */
ebiConfig.writeStrobeCycles = 2;
ebiConfig.writeHoldCycles = 1;
ebiConfig.writeSetupCycles = 1;
/* Configure EBI bank 1 */
EBI_Init(&ebiConfig);
/* ----------------------------------------- */
/* NOR Flash, Bank3, Base Address 0x8c000000 */
/* Spansion flash S29GLxxx_FBGA */
/* ----------------------------------------- */
ebiConfig.banks = EBI_BANK3;
ebiConfig.csLines = EBI_CS3;
ebiConfig.mode = ebiModeD16A16ALE;
ebiConfig.alePolarity = ebiActiveHigh;
/* keep blEnable */
ebiConfig.blEnable = true;
ebiConfig.addrHalfALE = true;
ebiConfig.readPrefetch = false;
ebiConfig.noIdle = true;
/* Address Setup and hold time */
ebiConfig.addrHoldCycles = 0;
ebiConfig.addrSetupCycles = 0;
/* Read cycle times */
ebiConfig.readStrobeCycles = 6;
ebiConfig.readHoldCycles = 0;
ebiConfig.readSetupCycles = 0;
/* Write cycle times */
ebiConfig.writeStrobeCycles = 5;
ebiConfig.writeHoldCycles = 0;
ebiConfig.writeSetupCycles = 0;
/* Configure EBI bank 3 */
EBI_Init(&ebiConfig);
/* Enable extended address range */
BSP_EbiExtendedAddressRange(true);
#endif
/* Verify connectivity to Board Control registers */
if (BC_REGISTER->MAGIC != 0xef32)
{
return false;
}
else
{
return true;
}
}
int main(void)
{
CHIP_Init();
// Enable clocks
CMU_ClockEnable(cmuClock_EBI, true);
CMU_ClockEnable(cmuClock_GPIO, true);
CMU_HFRCOBandSet(cmuHFRCOBand_28MHz);
/* Setup SysTick Timer for 1 msec interrupts */
if (SysTick_Config(CMU_ClockFreqGet(cmuClock_CORE) / 1000)) while (1) ;
/* Configure board. Select either EBI or SPI mode. */
BSP_Init(BSP_INIT_DK_SPI);
/* If first word of user data page is non-zero, enable eA Profiler trace */
BSP_TraceProfilerSetup();
// EBI config
EBI_Init_TypeDef ebiConfig = EBI_INIT_DEFAULT;
// Set EBI address pins PE[15:8]
GPIO_PinModeSet(gpioPortE, 15, gpioModePushPull, 0);
GPIO_PinModeSet(gpioPortE, 14, gpioModePushPull, 0);
GPIO_PinModeSet(gpioPortE, 13, gpioModePushPull, 0);
GPIO_PinModeSet(gpioPortE, 12, gpioModePushPull, 0);
GPIO_PinModeSet(gpioPortE, 11, gpioModePushPull, 0);
GPIO_PinModeSet(gpioPortE, 10, gpioModePushPull, 0);
GPIO_PinModeSet(gpioPortE, 9, gpioModePushPull, 0);
GPIO_PinModeSet(gpioPortE, 8, gpioModePushPull, 0);
// Set EBI data pins PA15 + PA[6:0]
GPIO_PinModeSet(gpioPortA, 15, gpioModePushPull, 0);
GPIO_PinModeSet(gpioPortA, 6, gpioModePushPull, 0);
GPIO_PinModeSet(gpioPortA, 5, gpioModePushPull, 0);
GPIO_PinModeSet(gpioPortA, 4, gpioModePushPull, 0);
GPIO_PinModeSet(gpioPortA, 3, gpioModePushPull, 0);
GPIO_PinModeSet(gpioPortA, 2, gpioModePushPull, 0);
GPIO_PinModeSet(gpioPortA, 1, gpioModePushPull, 0);
GPIO_PinModeSet(gpioPortA, 0, gpioModePushPull, 0);
/* EBI ARDY/WEN/REN/ALE */
GPIO_PinModeSet( gpioPortF, 2, gpioModeInput, 0 );
GPIO_PinModeSet( gpioPortF, 8, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortF, 9, gpioModePushPull, 0 );
GPIO_PinModeSet( gpioPortC, 11, gpioModePushPull, 0 );
/* --------------------------------------------------------- */
/* Second bank needs a name, Bank 0, Base Address 0x80000000 */
/* --------------------------------------------------------- */
ebiConfig.banks = EBI_BANK0;
ebiConfig.csLines = EBI_CS1;
ebiConfig.mode = ebiModeD8A8;
ebiConfig.alePolarity = ebiActiveHigh;
ebiConfig.location = ebiLocation1;
/* keep blEnable */
ebiConfig.blEnable = false;
ebiConfig.addrHalfALE = false;
ebiConfig.readPrefetch = false;
ebiConfig.noIdle = true;
/* keep alow/ahigh configuration */
ebiConfig.aLow = ebiALowA0;
ebiConfig.aHigh = ebiAHighA18;
/* Address Setup and hold time */
ebiConfig.addrHoldCycles = 3;
ebiConfig.addrSetupCycles = 3;
/* Read cycle times */
ebiConfig.readStrobeCycles = 7;
ebiConfig.readHoldCycles = 3;
ebiConfig.readSetupCycles = 3;
/* Write cycle times */
ebiConfig.writeStrobeCycles = 7;
ebiConfig.writeHoldCycles = 3;
ebiConfig.writeSetupCycles = 3;
/* Configure EBI bank 1 */
EBI_Init(&ebiConfig);
uint16_t *BANK0_BASE_ADDR = 0x80000000;
uint16_t DATA = 0xF000;
uint32_t cnt = 0;
*BANK0_BASE_ADDR = 0x1;
BSP_LedsSet(0xff00);
while (1) {
//if(cnt > 500000){
*BANK0_BASE_ADDR = DATA;
BSP_LedsSet(DATA);
Delay(500);
//}else{
*BANK0_BASE_ADDR = 0x0000;
BSP_LedsSet(0x0000);
//}
Delay(500);
//if(cnt>1000000)
// cnt=0;
//cnt++;
}
}
