int sam3u_hsmciinit(void)
{
#ifdef GPIO_MCI_CD
sam3u_configgpio(GPIO_MCI_CD);
#endif
#ifdef GPIO_MCI_WP
sam3u_configgpio(GPIO_MCI_WP);
#endif
return OK;
}
void weak_function sam3u_spiinitialize(void)
{
/* The ZigBee module connects used NPCS0. However, there is not yet any
* ZigBee support.
*/
/* The touchscreen connects using NPCS2 (PC14). */
#if defined(CONFIG_INPUT) && defined(CONFIG_INPUT_ADS7843E)
sam3u_configgpio(GPIO_TSC_NPCS2);
#endif
}
int arch_tcinitialize(int minor)
{
FAR struct spi_dev_s *dev;
int ret;
idbg("minor %d\n", minor);
DEBUGASSERT(minor == 0);
/* Configure and enable the ADS7843E interrupt pin as an input */
(void)sam3u_configgpio(GPIO_TCS_BUSY);
(void)sam3u_configgpio(GPIO_TCS_IRQ);
/* Configure the PIO interrupt */
sam3u_gpioirq(GPIO_TCS_IRQ);
/* Get an instance of the SPI interface */
dev = up_spiinitialize(CONFIG_ADS7843E_SPIDEV);
if (!dev)
{
idbg("Failed to initialize SPI bus %d\n", CONFIG_ADS7843E_SPIDEV);
return -ENODEV;
}
/* Initialize and register the SPI touschscreen device */
ret = ads7843e_register(dev, &g_tscinfo, CONFIG_ADS7843E_DEVMINOR);
if (ret < 0)
{
idbg("Failed to initialize SPI bus %d\n", CONFIG_ADS7843E_SPIDEV);
/* up_spiuninitialize(dev); */
return -ENODEV;
}
return OK;
}
void sam3u_lowsetup(void)
{
uint32_t regval;
/* Enable clocking for all selected UART/USARTs */
regval = 0;
#ifdef CONFIG_SAM3U_UART
regval |= (1 << SAM3U_PID_UART);
#endif
#ifdef CONFIG_SAM3U_USART0
regval |= (1 << SAM3U_PID_USART0);
#endif
#ifdef CONFIG_SAM3U_USART1
regval |= (1 << SAM3U_PID_USART1);
#endif
#ifdef CONFIG_SAM3U_USART2
regval |= (1 << SAM3U_PID_USART2);
#endif
#ifdef CONFIG_SAM3U_USART3
regval |= (1 << SAM3U_PID_USART3);
#endif
putreg32(regval, SAM3U_PMC_PCER);
/* Configure UART pins for all selected UART/USARTs */
#ifdef CONFIG_SAM3U_UART
(void)sam3u_configgpio(GPIO_UART_RXD);
(void)sam3u_configgpio(GPIO_UART_TXD);
#endif
#ifdef CONFIG_SAM3U_USART0
(void)sam3u_configgpio(GPIO_USART0_RXD);
(void)sam3u_configgpio(GPIO_USART0_TXD);
(void)sam3u_configgpio(GPIO_USART0_CTS);
(void)sam3u_configgpio(GPIO_USART0_RTS);
#endif
#ifdef CONFIG_SAM3U_USART1
(void)sam3u_configgpio(GPIO_USART1_RXD);
(void)sam3u_configgpio(GPIO_USART1_TXD);
(void)sam3u_configgpio(GPIO_USART1_CTS);
(void)sam3u_configgpio(GPIO_USART1_RTS);
#endif
#ifdef CONFIG_SAM3U_USART2
(void)sam3u_configgpio(GPIO_USART2_RXD);
(void)sam3u_configgpio(GPIO_USART2_TXD);
(void)sam3u_configgpio(GPIO_USART2_CTS);
(void)sam3u_configgpio(GPIO_USART2_RTS);
#endif
#ifdef CONFIG_SAM3U_USART3
(void)sam3u_configgpio(GPIO_USART3_RXD);
(void)sam3u_configgpio(GPIO_USART3_TXD);
(void)sam3u_configgpio(GPIO_USART3_CTS);
(void)sam3u_configgpio(GPIO_USART3_RTS);
#endif
#ifdef GPIO_CONSOLE_RXD
#endif
#ifdef GPIO_CONSOLE_TXD
(void)sam3u_configgpio(GPIO_CONSOLE_TXD);
#endif
#ifdef GPIO_CONSOLE_CTS
(void)sam3u_configgpio(GPIO_CONSOLE_CTS);
#endif
#ifdef GPIO_CONSOLE_RTS
(void)sam3u_configgpio(GPIO_CONSOLE_RTS);
#endif
/* Configure the console (only) */
#if defined(HAVE_CONSOLE) && !defined(CONFIG_SUPPRESS_UART_CONFIG)
/* Reset and disable receiver and transmitter */
putreg32((UART_CR_RSTRX|UART_CR_RSTTX|UART_CR_RXDIS|UART_CR_TXDIS),
SAM3U_CONSOLE_BASE+SAM3U_UART_CR_OFFSET);
/* Disable all interrupts */
putreg32(0xffffffff, SAM3U_CONSOLE_BASE+SAM3U_UART_IDR_OFFSET);
/* Set up the mode register */
putreg32(MR_VALUE, SAM3U_CONSOLE_BASE+SAM3U_UART_MR_OFFSET);
/* Configure the console baud */
putreg32(((SAM3U_MCK_FREQUENCY + (SAM3U_CONSOLE_BAUD << 3))/(SAM3U_CONSOLE_BAUD << 4)),
SAM3U_CONSOLE_BASE+SAM3U_UART_BRGR_OFFSET);
/* Enable receiver & transmitter */
putreg32((UART_CR_RXEN|UART_CR_TXEN),
SAM3U_CONSOLE_BASE+SAM3U_UART_CR_OFFSET);
#endif
}
void up_buttoninit(void)
{
(void)sam3u_configgpio(GPIO_BUTTON1);
(void)sam3u_configgpio(GPIO_BUTTON2);
}
