unsigned int at91_twi0_hw_init(void)
{
unsigned int base_addr = AT91C_BASE_TWI0;
const struct pio_desc twi_pins[] = {
{"TWD0", AT91C_PIN_PD(21), 0, PIO_DEFAULT, PIO_PERIPH_B},
{"TWCK0", AT91C_PIN_PD(22), 0, PIO_DEFAULT, PIO_PERIPH_B},
{(char *)0, 0, 0, PIO_DEFAULT, PIO_PERIPH_A},
};
pio_configure(twi_pins);
pmc_sam9x5_enable_periph_clk(AT91C_ID_TWI0);
return base_addr;
}
static void at91_dbgu_hw_init(void)
{
/* Configure DBGU pin */
const struct pio_desc dbgu_pins[] = {
{"RXD", AT91C_PIN_PB(30), 0, PIO_DEFAULT, PIO_PERIPH_A},
{"TXD", AT91C_PIN_PB(31), 0, PIO_DEFAULT, PIO_PERIPH_A},
{(char *)0, 0, 0, PIO_DEFAULT, PIO_PERIPH_A},
};
/* Configure the dbgu pins */
pmc_enable_periph_clock(AT91C_ID_PIOB);
pio_configure(dbgu_pins);
/* Enable clock */
pmc_enable_periph_clock(AT91C_ID_DBGU);
}
void at91_spi0_hw_init(void)
{
/* Configure spi0 PINs */
const struct pio_desc spi0_pins[] = {
{"MISO", AT91C_PIN_PB(0), 0, PIO_DEFAULT, PIO_PERIPH_A},
{"MOSI", AT91C_PIN_PB(1), 0, PIO_DEFAULT, PIO_PERIPH_A},
{"SPCK", AT91C_PIN_PB(2), 0, PIO_DEFAULT, PIO_PERIPH_A},
{"NPCS", CONFIG_SYS_SPI_PCS, 1, PIO_DEFAULT, PIO_OUTPUT},
{(char *)0, 0, 0, PIO_DEFAULT, PIO_PERIPH_A},
};
writel((1 << AT91C_ID_PIOB), (PMC_PCER + AT91C_BASE_PMC));
pio_configure(spi0_pins);
writel((1 << AT91C_ID_SPI0), (PMC_PCER + AT91C_BASE_PMC));
}
void nandflash_hw_init(void)
{
unsigned int reg;
/* Configure PIOs */
const struct pio_desc nand_pins[] = {
{"NANDCS", CONFIG_SYS_NAND_ENABLE_PIN, 1, PIO_PULLUP, PIO_OUTPUT},
{(char *)0, 0, 0, PIO_DEFAULT, PIO_PERIPH_A},
};
/* Setup Smart Media, first enable the address range of CS3
* in HMATRIX user interface
* EBI IO in 1.8V mode */
reg = readl(AT91C_BASE_CCFG + CCFG_EBICSA);
reg |= AT91C_EBI_CS3A_SM;
reg &= ~AT91C_VDDIOM_SEL_33V;
writel(reg, AT91C_BASE_CCFG + CCFG_EBICSA);
/* Configure SMC CS3 */
writel((AT91C_SMC_NWESETUP_(2)
| AT91C_SMC_NCS_WRSETUP_(0)
| AT91C_SMC_NRDSETUP_(2)
| AT91C_SMC_NCS_RDSETUP_(0)),
AT91C_BASE_SMC + SMC_SETUP3);
writel((AT91C_SMC_NWEPULSE_(4)
| AT91C_SMC_NCS_WRPULSE_(4)
| AT91C_SMC_NRDPULSE_(4)
| AT91C_SMC_NCS_RDPULSE_(4)),
AT91C_BASE_SMC + SMC_PULSE3);
writel((AT91C_SMC_NWECYCLE_(7)
| AT91C_SMC_NRDCYCLE_(7)),
AT91C_BASE_SMC + SMC_CYCLE3);
writel((AT91C_SMC_READMODE
| AT91C_SMC_WRITEMODE
| AT91C_SMC_NWAITM_NWAIT_DISABLE
| AT91C_SMC_DBW_WIDTH_BITS_16
| AT91_SMC_TDF_(3)),
AT91C_BASE_SMC + SMC_CTRL3);
/* Configure the PIO controll */
writel((1 << AT91C_ID_PIOC), (PMC_PCER + AT91C_BASE_PMC));
pio_configure(nand_pins);
}
static int ek_special_hw_init(void)
{
unsigned long rstc;
unsigned long rst_key = (0xA5 << 24);
/*
* For on the sam9m10g45ek board, the chip wm9711 stay in the test mode,
* so it need do some action to exit mode.
*/
const struct pio_desc wm9711_pins[] = {
{"AC97TX", AT91C_PIN_PD(7), 0, PIO_PULLUP, PIO_OUTPUT},
{"AC97FS", AT91C_PIN_PD(8), 0, PIO_PULLUP, PIO_OUTPUT},
{(char *)0, 0, 0, PIO_DEFAULT, PIO_PERIPH_A},
};
pio_configure(wm9711_pins);
writel((1 << AT91C_ID_PIOD_E), PMC_PCER + AT91C_BASE_PMC);
/*
* Disable pull-up on:
* RXDV(PA15) => PHY normal mode (not Test mode)
* ERX0(PA12) => PHY ADDR0
* ERX1(PA13) => PHY ADDR1 => PHYADDR = 0x0
*
* PHY has internal pull-down
*/
writel((0x01 << 12) | (0x01 << 13) | (0x01 << 15), AT91C_BASE_PIOA + PIO_PPUDR(0));
rstc = at91_sys_read(AT91C_BASE_RSTC + RSTC_RMR);
/* Need to reset PHY -> 500ms reset */
at91_sys_write(AT91C_BASE_RSTC + RSTC_RMR, rst_key |
(AT91C_RSTC_ERSTL & (0x0D << 8)) |
AT91C_RSTC_URSTEN);
at91_sys_write(AT91C_BASE_RSTC + RSTC_RCR, rst_key | AT91C_RSTC_EXTRST);
/* Wait for end hardware reset */
while (!(at91_sys_read(AT91C_BASE_RSTC + RSTC_RSR) & AT91C_RSTC_NRSTL));
/* Restore NRST value */
at91_sys_write(AT91C_BASE_RSTC + RSTC_RMR, rst_key |
(rstc) |
AT91C_RSTC_URSTEN);
return 0;
}
void nandflash_hw_init(void)
{
unsigned int reg;
/* Configure NANDFlash pins*/
const struct pio_desc nand_pins[] = {
{"NANDALE", AT91C_PIN_PB(2), 0, PIO_PULLUP, PIO_PERIPH_A},
{"NANDCLE", AT91C_PIN_PB(3), 0, PIO_PULLUP, PIO_PERIPH_A},
{"NANDOE", AT91C_PIN_PB(4), 0, PIO_PULLUP, PIO_PERIPH_A},
{"NANDWE", AT91C_PIN_PB(5), 0, PIO_PULLUP, PIO_PERIPH_A},
{"NANDCS", CONFIG_SYS_NAND_ENABLE_PIN, 1, PIO_PULLUP, PIO_OUTPUT},
{(char *)0, 0, 0, PIO_DEFAULT, PIO_PERIPH_A},
};
/* Setup Smart Media, first enable the address range of CS3 in HMATRIX user interface */
reg = readl(AT91C_BASE_CCFG + CCFG_EBI0CSA);
reg |= AT91C_EBI_CS3A_SM;
writel(reg, AT91C_BASE_CCFG + CCFG_EBI0CSA);
/* Configure SMC CS3 */
writel((AT91C_SMC_NWESETUP_(1)
| AT91C_SMC_NCS_WRSETUP_(0)
| AT91C_SMC_NRDSETUP_(1)
| AT91C_SMC_NCS_RDSETUP_(0)),
AT91C_BASE_SMC + SMC_SETUP3);
writel((AT91C_SMC_NWEPULSE_(3)
| AT91C_SMC_NCS_WRPULSE_(3)
| AT91C_SMC_NRDPULSE_(3)
| AT91C_SMC_NCS_RDPULSE_(3)),
AT91C_BASE_SMC + SMC_PULSE3);
writel((AT91C_SMC_NWECYCLE_(5)
| AT91C_SMC_NRDCYCLE_(5)),
AT91C_BASE_SMC + SMC_CYCLE3);
writel((AT91C_SMC_READMODE
| AT91C_SMC_WRITEMODE
| AT91C_SMC_NWAITM_NWAIT_DISABLE
| AT91C_SMC_DBW_WIDTH_BITS_8
| AT91_SMC_TDF_(2)),
AT91C_BASE_SMC + SMC_CTRL3);
/* Configure the NANDFlash pins */
pmc_enable_periph_clock(AT91C_ID_PIOB);
pio_configure(nand_pins);
}
void at91_spi0_hw_init(void)
{
/* Configure PIN for SPI0 */
const struct pio_desc spi0_pins[] = {
{"SPI0_MISO", AT91C_PIN_PC(0), 0, PIO_DEFAULT, PIO_PERIPH_A},
{"SPI0_MOSI", AT91C_PIN_PC(1), 0, PIO_DEFAULT, PIO_PERIPH_A},
{"SPI0_SPCK", AT91C_PIN_PC(2), 0, PIO_DEFAULT, PIO_PERIPH_A},
{"SPI0_NPCS", CONFIG_SYS_SPI_PCS, 1, PIO_DEFAULT, PIO_OUTPUT},
{(char *)0, 0, 0, PIO_DEFAULT, PIO_PERIPH_A},
};
/* Configure the PIO controller */
pio_configure(spi0_pins);
pmc_enable_periph_clock(AT91C_ID_PIOC);
pmc_enable_periph_clock(AT91C_ID_SPI0);
}
unsigned int at91_eth1_hw_init(void)
{
unsigned int base_addr = AT91C_BASE_GMAC1;
const struct pio_desc macb_pins[] = {
{"G1_MDC", AT91C_PIN_PA(22), 0, PIO_DEFAULT, PIO_PERIPH_B},
{"G1_MDIO", AT91C_PIN_PA(23), 0, PIO_DEFAULT, PIO_PERIPH_B},
{(char *)0, 0, 0, PIO_DEFAULT, PIO_PERIPH_A},
};
pio_configure(macb_pins);
pmc_enable_periph_clock(AT91C_ID_PIOA);
pmc_enable_periph_clock(AT91C_ID_GMAC1);
return base_addr;
}
unsigned int at91_twi3_hw_init(void)
{
unsigned int base_addr = AT91C_BASE_TWI3;
const struct pio_desc twi_pins[] = {
{"TWD3", AT91C_PIN_PC(25), 0, PIO_DEFAULT, PIO_PERIPH_B},
{"TWCK3", AT91C_PIN_PC(26), 0, PIO_DEFAULT, PIO_PERIPH_B},
{(char *)0, 0, 0, PIO_DEFAULT, PIO_PERIPH_A},
};
pmc_enable_periph_clock(AT91C_ID_PIOC);
pio_configure(twi_pins);
pmc_enable_periph_clock(AT91C_ID_TWI3);
return base_addr;
}
/**
* \brief Configure the Pushbutton.
*/
static void configure_button(void)
{
/* Enable the peripheral clock for the push button on board. */
pmc_enable_periph_clk(PUSHBUTTON_ID);
/* Configure PIOs as input pins. */
pio_configure(PUSHBUTTON_PIO, PUSHBUTTON_TYPE, PUSHBUTTON_MASK,
PUSHBUTTON_ATTR);
/* Adjust PIO debounce filter parameters. */
pio_set_debounce_filter(PUSHBUTTON_PIO, PUSHBUTTON_MASK,
PUSHBUTTON_FILTER_GLITCH_VAULE);
/* Initialize PIO interrupt handler, interrupt on rising edge. */
pio_handler_set(PUSHBUTTON_PIO, PUSHBUTTON_ID, PUSHBUTTON_MASK,
PUSHBUTTON_ATTR, button_handler);
}
unsigned int at91_eth1_hw_init(void)
{
unsigned int base_addr = AT91C_BASE_EMAC;
const struct pio_desc macb_pins[] = {
{"EMDC", AT91C_PIN_PC(8), 0, PIO_DEFAULT, PIO_PERIPH_A},
{"EMDIO", AT91C_PIN_PC(9), 0, PIO_DEFAULT, PIO_PERIPH_A},
{(char *)0, 0, 0, PIO_DEFAULT, PIO_PERIPH_A},
};
pio_configure(macb_pins);
pmc_enable_periph_clock(AT91C_ID_PIOC);
pmc_enable_periph_clock(AT91C_ID_EMAC);
return base_addr;
}
void nandflash_hw_init(void)
{
const struct pio_desc nand_pins[] = {
{"NANDALE", AT91C_PIN_PE(21), 0, PIO_PULLUP, PIO_PERIPH_A},
{"NANDCLE", AT91C_PIN_PE(22), 0, PIO_PULLUP, PIO_PERIPH_A},
{(char *)0, 0, 0, PIO_DEFAULT, PIO_PERIPH_A},
};
pmc_enable_periph_clock(AT91C_ID_PIOE);
pio_configure(nand_pins);
pmc_enable_periph_clock(AT91C_ID_SMC);
writel(AT91C_SMC_SETUP_NWE(1)
| AT91C_SMC_SETUP_NCS_WR(1)
| AT91C_SMC_SETUP_NRD(2)
| AT91C_SMC_SETUP_NCS_RD(1),
(ATMEL_BASE_SMC + SMC_SETUP3));
writel(AT91C_SMC_PULSE_NWE(5)
| AT91C_SMC_PULSE_NCS_WR(7)
| AT91C_SMC_PULSE_NRD(5)
| AT91C_SMC_PULSE_NCS_RD(7),
(ATMEL_BASE_SMC + SMC_PULSE3));
writel(AT91C_SMC_CYCLE_NWE(8)
| AT91C_SMC_CYCLE_NRD(9),
(ATMEL_BASE_SMC + SMC_CYCLE3));
writel(AT91C_SMC_TIMINGS_TCLR(3)
| AT91C_SMC_TIMINGS_TADL(10)
| AT91C_SMC_TIMINGS_TAR(3)
| AT91C_SMC_TIMINGS_TRR(4)
| AT91C_SMC_TIMINGS_TWB(5)
| AT91C_SMC_TIMINGS_RBNSEL(3)
| AT91C_SMC_TIMINGS_NFSEL,
(ATMEL_BASE_SMC + SMC_TIMINGS3));
writel(AT91C_SMC_MODE_READMODE_NRD_CTRL
| AT91C_SMC_MODE_WRITEMODE_NWE_CTRL
| AT91C_SMC_MODE_EXNWMODE_DISABLED
| AT91C_SMC_MODE_DBW_8
| AT91C_SMC_MODE_TDF_CYCLES(1),
(ATMEL_BASE_SMC + SMC_MODE3));
}
static void psram_hw_init(void)
{
unsigned short *addressMax = (unsigned short *)MICRON_8MB_ADDRESS_MAX;
const struct pio_desc psram_pins[] = {
{"CRE", CONFIG_SYS_PSRAM_DATA_ACCESS_PIN, 1, PIO_DEFAULT, PIO_OUTPUT},
{(char *)0, 0, 0, PIO_DEFAULT, PIO_PERIPH_A},
};
/* Configure SMC1 CS0 */
writel((AT91C_SMC_NWESETUP_(0)
| AT91C_SMC_NCS_WRSETUP_(0)
| AT91C_SMC_NRDSETUP_(0)
| AT91C_SMC_NCS_RDSETUP_(0)),
AT91C_BASE_SMC1 + SMC_SETUP0);
writel((AT91C_SMC_NWEPULSE_(4)
| AT91C_SMC_NCS_WRPULSE_(5)
| AT91C_SMC_NRDPULSE_(2)
| AT91C_SMC_NCS_RDPULSE_(5)),
AT91C_BASE_SMC1 + SMC_PULSE0);
writel((AT91C_SMC_NWECYCLE_(5)
| AT91C_SMC_NRDCYCLE_(7)),
AT91C_BASE_SMC1 + SMC_CYCLE0);
writel((AT91C_SMC_READMODE
| AT91C_SMC_WRITEMODE
| AT91C_SMC_BAT_BYTE_SELECT
| AT91C_SMC_DBW_WIDTH_BITS_16
| AT91C_SMC_PMEN
| AT91C_SMC_PS_SIZE_THIRTY_TWO_BYTES),
AT91C_BASE_SMC1 + SMC_CTRL0);
/* Configure psram pins */
pio_configure(psram_pins);
data_access_enable();
/* Enable page mode */
readl(addressMax);
readl(addressMax);
writel(MICRON_RCR, addressMax);
writel(MICRON_PAGE_MODE_ENABLE, addressMax);
}
void at91_spi0_hw_init(void)
{
/* Configure spi0 PINs */
const struct pio_desc spi0_pins[] = {
{"MISO", AT91C_PIN_PA(25), 0, PIO_DEFAULT, PIO_PERIPH_A},
{"MOSI", AT91C_PIN_PA(26), 0, PIO_DEFAULT, PIO_PERIPH_A},
{"SPCK", AT91C_PIN_PA(27), 0, PIO_DEFAULT, PIO_PERIPH_A},
{"NPCS", CONFIG_SYS_SPI_PCS, 1, PIO_PULLUP, PIO_OUTPUT},
{(char *)0, 0, 0, PIO_DEFAULT, PIO_PERIPH_A},
};
/* Configure the spi0 pins */
pmc_enable_periph_clock(AT91C_ID_PIOA);
pio_configure(spi0_pins);
/* Enable the spi0 clock */
pmc_enable_periph_clock(AT91C_ID_SPI);
}
void at91_spi0_hw_init(void)
{
/* Configure PIN for SPI0 */
const struct pio_desc spi0_pins[] = {
{"MISO", AT91C_PIN_PD(10), 0, PIO_DEFAULT, PIO_PERIPH_A},
{"MOSI", AT91C_PIN_PD(11), 0, PIO_DEFAULT, PIO_PERIPH_A},
{"SPCK", AT91C_PIN_PD(12), 0, PIO_DEFAULT, PIO_PERIPH_A},
{"NPCS", CONFIG_SYS_SPI_PCS, 1, PIO_DEFAULT, PIO_OUTPUT},
{(char *)0, 0, 0, PIO_DEFAULT, PIO_PERIPH_A},
};
/* Configure the PIO controller */
writel((1 << AT91C_ID_PIOD), (PMC_PCER + AT91C_BASE_PMC));
pio_configure(spi0_pins);
/* Enable the clock */
writel((1 << AT91C_ID_SPI0), (PMC_PCER + AT91C_BASE_PMC));
}
void at91_mci0_hw_init(void)
{
const struct pio_desc mci_pins[] = {
{"MCCK",AT91C_PIN_PA(2), 0, PIO_DEFAULT, PIO_PERIPH_B},
{"MCCDA", AT91C_PIN_PA(1), 0, PIO_PULLUP, PIO_PERIPH_B},
{"MCDA0", AT91C_PIN_PA(0), 0, PIO_PULLUP, PIO_PERIPH_B},
{"MCDA1", AT91C_PIN_PA(4), 0, PIO_PULLUP, PIO_PERIPH_B},
{"MCDA2", AT91C_PIN_PA(5), 0, PIO_PULLUP, PIO_PERIPH_B},
{"MCDA3", AT91C_PIN_PA(6), 0, PIO_PULLUP, PIO_PERIPH_B},
{(char *)0, 0, 0, PIO_DEFAULT, PIO_PERIPH_B},
};
pio_configure(mci_pins);
writel((1 << AT91C_ID_PIOA), (PMC_PCER + AT91C_BASE_PMC));
/* Enable the clock */
writel((1 << AT91C_ID_MCI), (PMC_PCER + AT91C_BASE_PMC));
}
void at91_mci0_hw_init(void)
{
const struct pio_desc mci_pins[] = {
{"MCI1_CK", AT91C_PIN_PE(18), 0, PIO_DEFAULT, PIO_PERIPH_C},
{"MCI1_CDA", AT91C_PIN_PE(19), 0, PIO_DEFAULT, PIO_PERIPH_C},
{"MCI1_DA0", AT91C_PIN_PE(20), 0, PIO_DEFAULT, PIO_PERIPH_C},
{"MCI1_DA1", AT91C_PIN_PE(21), 0, PIO_DEFAULT, PIO_PERIPH_C},
{"MCI1_DA2", AT91C_PIN_PE(22), 0, PIO_DEFAULT, PIO_PERIPH_C},
{"MCI1_DA3", AT91C_PIN_PE(23), 0, PIO_DEFAULT, PIO_PERIPH_C},
{(char *)0, 0, 0, PIO_DEFAULT, PIO_PERIPH_A},
};
/* Configure the PIO controller */
pio_configure(mci_pins);
pmc_enable_periph_clock(AT91C_ID_PIOE);
pmc_enable_periph_clock(AT91C_ID_HSMCI1);
}
/**
* \brief Configure the Pushbuttons
*
* Configure the PIO as inputs and generate corresponding interrupt when
* pressed or released.
*/
static void _configure_buttons(void)
{
int i = 0;
for (i = 0; i < ARRAY_SIZE(button_pins); ++i)
{
/* Configure pios as inputs. */
pio_configure(&button_pins[i], 1);
/* Adjust pio debounce filter parameters, uses 10 Hz filter. */
pio_set_debounce_filter(&button_pins[i], 10);
/* Initialize pios interrupt with its handlers */
pio_configure_it(&button_pins[i]);
pio_add_handler_to_group(button_pins[i].group,
button_pins[i].mask,
push_button_handler,
NULL);
pio_enable_it(button_pins);
}
}
void at91_mci0_hw_init(void)
{
const struct pio_desc mci_pins[] = {
{"MCCK",AT91C_PIN_PA(2), 0, PIO_DEFAULT, PIO_PERIPH_B},
{"MCCDA", AT91C_PIN_PA(1), 0, PIO_PULLUP, PIO_PERIPH_B},
{"MCDA0", AT91C_PIN_PA(0), 0, PIO_PULLUP, PIO_PERIPH_B},
{"MCDA1", AT91C_PIN_PA(4), 0, PIO_PULLUP, PIO_PERIPH_B},
{"MCDA2", AT91C_PIN_PA(5), 0, PIO_PULLUP, PIO_PERIPH_B},
{"MCDA3", AT91C_PIN_PA(6), 0, PIO_PULLUP, PIO_PERIPH_B},
{(char *)0, 0, 0, PIO_DEFAULT, PIO_PERIPH_B},
};
pmc_enable_periph_clock(AT91C_ID_PIOA);
pio_configure(mci_pins);
/* Enable the clock */
pmc_enable_periph_clock(AT91C_ID_MCI);
}
void at91_mci0_hw_init(void)
{
const struct pio_desc mci_pins[] = {
{"MCCK", AT91C_PIN_PA(17), 0, PIO_PULLUP, PIO_PERIPH_A},
{"MCCDA", AT91C_PIN_PA(16), 0, PIO_PULLUP, PIO_PERIPH_A},
{"MCDA0", AT91C_PIN_PA(15), 0, PIO_PULLUP, PIO_PERIPH_A},
{"MCDA1", AT91C_PIN_PA(18), 0, PIO_PULLUP, PIO_PERIPH_A},
{"MCDA2", AT91C_PIN_PA(19), 0, PIO_PULLUP, PIO_PERIPH_A},
{"MCDA3", AT91C_PIN_PA(20), 0, PIO_PULLUP, PIO_PERIPH_A},
{(char *)0, 0, 0, PIO_DEFAULT, PIO_PERIPH_A},
};
/* Configure the PIO controller */
writel((1 << AT91C_ID_PIOA_B), (PMC_PCER + AT91C_BASE_PMC));
pio_configure(mci_pins);
/* Enable the clock */
writel((1 << AT91C_ID_MCI), (PMC_PCER + AT91C_BASE_PMC));
}
void at91_mci0_hw_init(void)
{
const struct pio_desc mci_pins[] = {
{"MCCK", AT91C_PIN_PA(17), 0, PIO_PULLUP, PIO_PERIPH_A},
{"MCCDA", AT91C_PIN_PA(16), 0, PIO_PULLUP, PIO_PERIPH_A},
{"MCDA0", AT91C_PIN_PA(15), 0, PIO_PULLUP, PIO_PERIPH_A},
{"MCDA1", AT91C_PIN_PA(18), 0, PIO_PULLUP, PIO_PERIPH_A},
{"MCDA2", AT91C_PIN_PA(19), 0, PIO_PULLUP, PIO_PERIPH_A},
{"MCDA3", AT91C_PIN_PA(20), 0, PIO_PULLUP, PIO_PERIPH_A},
{(char *)0, 0, 0, PIO_DEFAULT, PIO_PERIPH_A},
};
/* Configure the PIO controller */
pmc_enable_periph_clock(AT91C_ID_PIOA_B);
pio_configure(mci_pins);
/* Enable the clock */
pmc_enable_periph_clock(AT91C_ID_HSMCI0);
}
void at91_spi0_hw_init(void)
{
/* Configure spi0 PINs */
const struct pio_desc spi0_pins[] = {
{"MISO", AT91C_PIN_PA(0), 0, PIO_DEFAULT, PIO_PERIPH_A},
{"MOSI", AT91C_PIN_PA(1), 0, PIO_DEFAULT, PIO_PERIPH_A},
{"SPCK", AT91C_PIN_PA(2), 0, PIO_DEFAULT, PIO_PERIPH_A},
{"NPCS", CONFIG_SYS_SPI_PCS, 1, PIO_PULLUP, PIO_OUTPUT},
{(char *)0, 0, 0, PIO_DEFAULT, PIO_PERIPH_A},
};
/* Configure the spi0 pins */
pio_configure(spi0_pins);
writel(((1 << AT91C_ID_PIOA) | (1 << AT91C_ID_PIOC)), (PMC_PCER + AT91C_BASE_PMC));
/* Enable the spi0 clock */
writel((1 << AT91C_ID_SPI0), (PMC_PCER + AT91C_BASE_PMC));
}
void at91_sdhc_hw_init(void)
{
#ifdef CONFIG_SDHC0
const struct pio_desc sdmmc_pins[] = {
{"SDMMC0_CK", AT91C_PIN_PA(0), 0, PIO_DEFAULT, PIO_PERIPH_A},
{"SDMMC0_CMD", AT91C_PIN_PA(1), 0, PIO_DEFAULT, PIO_PERIPH_A},
{"SDMMC0_DAT0", AT91C_PIN_PA(2), 0, PIO_DEFAULT, PIO_PERIPH_A},
{"SDMMC0_DAT1", AT91C_PIN_PA(3), 0, PIO_DEFAULT, PIO_PERIPH_A},
{"SDMMC0_DAT2", AT91C_PIN_PA(4), 0, PIO_DEFAULT, PIO_PERIPH_A},
{"SDMMC0_DAT3", AT91C_PIN_PA(5), 0, PIO_DEFAULT, PIO_PERIPH_A},
{"SDMMC0_DAT4", AT91C_PIN_PA(6), 0, PIO_DEFAULT, PIO_PERIPH_A},
{"SDMMC0_DAT5", AT91C_PIN_PA(7), 0, PIO_DEFAULT, PIO_PERIPH_A},
{"SDMMC0_DAT6", AT91C_PIN_PA(8), 0, PIO_DEFAULT, PIO_PERIPH_A},
{"SDMMC0_DAT7", AT91C_PIN_PA(9), 0, PIO_DEFAULT, PIO_PERIPH_A},
{"SDMMC0_RSTN", AT91C_PIN_PA(10), 0, PIO_DEFAULT, PIO_PERIPH_A},
{"SDMMC0_VDDSEL", AT91C_PIN_PA(11), 0, PIO_DEFAULT, PIO_PERIPH_A},
{"SDMMC0_CD", AT91C_PIN_PA(13), 0, PIO_DEFAULT, PIO_PERIPH_A},
{(char *)0, 0, 0, PIO_DEFAULT, PIO_PERIPH_A},
};
#endif
#ifdef CONFIG_SDHC1
const struct pio_desc sdmmc_pins[] = {
{"SDMMC1_CD", AT91C_PIN_PA(30), 0, PIO_DEFAULT, PIO_PERIPH_E},
{"SDMMC1_CMD", AT91C_PIN_PA(28), 0, PIO_DEFAULT, PIO_PERIPH_E},
{"SDMMC1_CK", AT91C_PIN_PA(22), 0, PIO_DEFAULT, PIO_PERIPH_E},
{"SDMMC1_DAT0", AT91C_PIN_PA(18), 0, PIO_DEFAULT, PIO_PERIPH_E},
{"SDMMC1_DAT1", AT91C_PIN_PA(19), 0, PIO_DEFAULT, PIO_PERIPH_E},
{"SDMMC1_DAT2", AT91C_PIN_PA(20), 0, PIO_DEFAULT, PIO_PERIPH_E},
{"SDMMC1_DAT3", AT91C_PIN_PA(21), 0, PIO_DEFAULT, PIO_PERIPH_E},
{(char *)0, 0, 0, PIO_DEFAULT, PIO_PERIPH_A},
};
#endif
pio_configure(sdmmc_pins);
pmc_sam9x5_enable_periph_clk(CONFIG_SYS_ID_SDHC);
pmc_enable_periph_generated_clk(CONFIG_SYS_ID_SDHC,
GCK_CSS_UPLL_CLK,
ATMEL_SDHC_GCKDIV_VALUE);
}
/**
* usb_hid_mouse application entry.
*
* Initializes the system and then monitors buttons, sending the
* corresponding character when one is pressed.
*/
int main(void)
{
uint8_t bm_buttons = 0;
int8_t dx = 0, dy = 0;
uint8_t is_changed;
/* Output example information */
console_example_info("USB Device HID Mouse Example");
/* Initialize all USB power (off) */
usb_power_configure();
#ifdef NO_PUSHBUTTON
printf("-- Press I J K L to move cursor\n\r");
#else
/* Initialize key statuses and configure push buttons */
pio_configure(pins_joystick, ARRAY_SIZE(pins_joystick));
#endif
/* HID driver initialization */
hidd_mouse_driver_initialize(&hidd_mouse_driver_descriptors);
/* connect if needed */
usb_vbus_configure();
/* Infinite loop */
while (1) {
if (usbd_get_state() < USBD_STATE_CONFIGURED)
continue;
is_changed = _buttons_monitor(&bm_buttons, &dx, &dy);
if (is_changed) {
uint8_t status;
do {
status = hidd_mouse_driver_change_points(bm_buttons, dx, dy);
} while (status != USBD_STATUS_SUCCESS);
}
}
}
void board_restore_pio_reset_state(void)
{
int i;
/* all pins, excluding JTAG and NTRST */
struct _pin pins[] = {
{ PIO_GROUP_A, 0xFFFEFEFE, PIO_INPUT, PIO_PULLUP },
{ PIO_GROUP_B, 0xFCFFFFFF, PIO_INPUT, PIO_PULLUP },
{ PIO_GROUP_C, 0xFFFFFFFF, PIO_INPUT, PIO_PULLUP },
{ PIO_GROUP_D, 0xFFFFFFFF, PIO_INPUT, PIO_PULLUP },
};
/* For low_power_mode example, power consumption results can be affected
* by IOs setting. To generate power consumption numbers in datasheet,
* most IOs must be disconnected from external devices just like on
* VB board. Then putting IOs to reset state are OK.
*/
pio_configure(pins, ARRAY_SIZE(pins));
for (i = 0; i < ARRAY_SIZE(pins); i++)
pio_clear(&pins[i]);
}
void at91_mci0_hw_init(void)
{
const struct pio_desc mci_pins[] = {
{"MCCK", AT91C_PIN_PD(9), 0, PIO_DEFAULT, PIO_PERIPH_A},
{"MCCDA", AT91C_PIN_PD(0), 0, PIO_DEFAULT, PIO_PERIPH_A},
{"MCDA0", AT91C_PIN_PD(1), 0, PIO_DEFAULT, PIO_PERIPH_A},
{"MCDA1", AT91C_PIN_PD(2), 0, PIO_DEFAULT, PIO_PERIPH_A},
{"MCDA2", AT91C_PIN_PD(3), 0, PIO_DEFAULT, PIO_PERIPH_A},
{"MCDA3", AT91C_PIN_PD(4), 0, PIO_DEFAULT, PIO_PERIPH_A},
{"MCDA4", AT91C_PIN_PD(5), 0, PIO_DEFAULT, PIO_PERIPH_A},
{"MCDA5", AT91C_PIN_PD(6), 0, PIO_DEFAULT, PIO_PERIPH_A},
{"MCDA6", AT91C_PIN_PD(7), 0, PIO_DEFAULT, PIO_PERIPH_A},
{"MCDA7", AT91C_PIN_PD(8), 0, PIO_DEFAULT, PIO_PERIPH_A},
{(char *)0, 0, 0, PIO_DEFAULT, PIO_PERIPH_A},
};
pmc_enable_periph_clock(AT91C_ID_HSMCI0);
pio_configure(mci_pins);
pmc_enable_periph_clock(AT91C_ID_HSMCI0);
}
void at91_mci0_hw_init(void)
{
const struct pio_desc mci_pins[] = {
{"MCCK", AT91C_PIN_PA(0), 0, PIO_PULLUP, PIO_PERIPH_A},
{"MCCDA", AT91C_PIN_PA(1), 0, PIO_PULLUP, PIO_PERIPH_A},
{"MCDA0", AT91C_PIN_PA(2), 0, PIO_PULLUP, PIO_PERIPH_A},
{"MCDA1", AT91C_PIN_PA(3), 0, PIO_PULLUP, PIO_PERIPH_A},
{"MCDA2", AT91C_PIN_PA(4), 0, PIO_PULLUP, PIO_PERIPH_A},
{"MCDA3", AT91C_PIN_PA(5), 0, PIO_PULLUP, PIO_PERIPH_A},
{(char *)0, 0, 0, PIO_DEFAULT, PIO_PERIPH_A},
};
/* Configure the PIO controller */
writel((1 << AT91C_ID_PIOA), (PMC_PCER + AT91C_BASE_PMC));
pio_configure(mci_pins);
/* Enable the clock */
writel((1 << AT91C_ID_MCI0), (PMC_PCER + AT91C_BASE_PMC));
/* Set of name function pointer */
sdcard_set_of_name = &sdcard_set_of_name_board;
}
void at91_mci0_hw_init(void)
{
const struct pio_desc mci_pins[] = {
{"MCCK", AT91C_PIN_PA(8), 0, PIO_PULLUP, PIO_PERIPH_A},
{"MCCDA", AT91C_PIN_PA(7), 0, PIO_PULLUP, PIO_PERIPH_A},
{"MCDA0", AT91C_PIN_PA(6), 0, PIO_PULLUP, PIO_PERIPH_A},
{"MCDA1", AT91C_PIN_PA(9), 0, PIO_PULLUP, PIO_PERIPH_A},
{"MCDA2", AT91C_PIN_PA(10), 0, PIO_PULLUP, PIO_PERIPH_A},
{"MCDA3", AT91C_PIN_PA(11), 0, PIO_PULLUP, PIO_PERIPH_A},
{(char *)0, 0, 0, PIO_DEFAULT, PIO_PERIPH_A},
};
/* Configure the PIO controller */
pmc_enable_periph_clock(AT91C_ID_PIOA);
pio_configure(mci_pins);
/* Enable the clock */
pmc_enable_periph_clock(AT91C_ID_MCI);
/* Set of name function pointer */
sdcard_set_of_name = &sdcard_set_of_name_board;
}
static void Configure ( void )
{
// ------- Configure the UART connected to the AVR controller -------
if ( ENABLE_DEBUG_CONSOLE )
{
VERIFY( pio_configure( PIOA, PIO_PERIPH_A,
PIO_PA8A_URXD | PIO_PA9A_UTXD, PIO_DEFAULT ) );
// Enable the pull-up resistor for RX0.
pio_pull_up( PIOA, PIO_PA8A_URXD, ENABLE ) ;
InitSerialPort( false );
SerialSyncWriteStr( "--- EmptyDue " PACKAGE_VERSION " ---" EOL );
SerialSyncWriteStr( "Welcome to the Arduino Due's programming USB serial port." EOL );
}
SetUserPanicMsgFunction( &PrintPanicMsg );
// ------- Perform some assorted checks -------
assert( IsJtagTdoPullUpActive() );
// Check that the brown-out detector is active.
#ifndef NDEBUG
const uint32_t supcMr = SUPC->SUPC_MR;
assert( ( supcMr & SUPC_MR_BODDIS ) == SUPC_MR_BODDIS_ENABLE );
assert( ( supcMr & SUPC_MR_BODRSTEN ) == SUPC_MR_BODRSTEN_ENABLE );
#endif
// ------- Configure the watchdog -------
WDT->WDT_MR = WDT_MR_WDDIS;
}
void at91_mci0_hw_init(void)
{
/* Note: For at91sam9263ek, using MCI1 instead of MCI0 as SD Card booting */
/* Configure the MCI1 pins */
const struct pio_desc mci_pins[] = {
{"MCI1_CK", AT91C_PIN_PA(6), 0, PIO_PULLUP, PIO_PERIPH_A},
{"MCI1_CDA", AT91C_PIN_PA(7), 0, PIO_PULLUP, PIO_PERIPH_A},
{"MCI1_DA0", AT91C_PIN_PA(8), 0, PIO_PULLUP, PIO_PERIPH_A},
{"MCI1_DA1", AT91C_PIN_PA(9), 0, PIO_PULLUP, PIO_PERIPH_A},
{"MCI1_DA2", AT91C_PIN_PA(10), 0, PIO_PULLUP, PIO_PERIPH_A},
{"MCI1_DA3", AT91C_PIN_PA(11), 0, PIO_PULLUP, PIO_PERIPH_A},
{(char *)0, 0, 0, PIO_DEFAULT, PIO_PERIPH_A},
};
pmc_enable_periph_clock(AT91C_ID_PIOA);
pio_configure(mci_pins);
/* Enable the clock */
pmc_enable_periph_clock(AT91C_ID_MCI1);
/* Set of name function pointer */
sdcard_set_of_name = &sdcard_set_of_name_board;
}