waterDataDiscreteRateMining varianceMemoryDefinition.c 袁明明 commit at 2021-03-18

waterDataDiscreteRateMining/dataSharedMemory/varianceMemoryDefinition.c

@@ -1398,3 +1398,101 @@ static struct resource uart1_resources[] = {
 	[1] = {
 		.start	= NR_IRQS_LEGACY + AT91SAM9263_ID_US1,
 		.end	= NR_IRQS_LEGACY + AT91SAM9263_ID_US1,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct atmel_uart_data uart1_data = {
+	.use_dma_tx	= 1,
+	.use_dma_rx	= 1,
+};
+
+static u64 uart1_dmamask = DMA_BIT_MASK(32);
+
+static struct platform_device at91sam9263_uart1_device = {
+	.name		= "atmel_usart",
+	.id		= 2,
+	.dev		= {
+				.dma_mask		= &uart1_dmamask,
+				.coherent_dma_mask	= DMA_BIT_MASK(32),
+				.platform_data		= &uart1_data,
+	},
+	.resource	= uart1_resources,
+	.num_resources	= ARRAY_SIZE(uart1_resources),
+};
+
+static inline void configure_usart1_pins(unsigned pins)
+{
+	at91_set_A_periph(AT91_PIN_PD0, 1);		/* TXD1 */
+	at91_set_A_periph(AT91_PIN_PD1, 0);		/* RXD1 */
+
+	if (pins & ATMEL_UART_RTS)
+		at91_set_B_periph(AT91_PIN_PD7, 0);	/* RTS1 */
+	if (pins & ATMEL_UART_CTS)
+		at91_set_B_periph(AT91_PIN_PD8, 0);	/* CTS1 */
+}
+
+static struct resource uart2_resources[] = {
+	[0] = {
+		.start	= AT91SAM9263_BASE_US2,
+		.end	= AT91SAM9263_BASE_US2 + SZ_16K - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= NR_IRQS_LEGACY + AT91SAM9263_ID_US2,
+		.end	= NR_IRQS_LEGACY + AT91SAM9263_ID_US2,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct atmel_uart_data uart2_data = {
+	.use_dma_tx	= 1,
+	.use_dma_rx	= 1,
+};
+
+static u64 uart2_dmamask = DMA_BIT_MASK(32);
+
+static struct platform_device at91sam9263_uart2_device = {
+	.name		= "atmel_usart",
+	.id		= 3,
+	.dev		= {
+				.dma_mask		= &uart2_dmamask,
+				.coherent_dma_mask	= DMA_BIT_MASK(32),
+				.platform_data		= &uart2_data,
+	},
+	.resource	= uart2_resources,
+	.num_resources	= ARRAY_SIZE(uart2_resources),
+};
+
+static inline void configure_usart2_pins(unsigned pins)
+{
+	at91_set_A_periph(AT91_PIN_PD2, 1);		/* TXD2 */
+	at91_set_A_periph(AT91_PIN_PD3, 0);		/* RXD2 */
+
+	if (pins & ATMEL_UART_RTS)
+		at91_set_B_periph(AT91_PIN_PD5, 0);	/* RTS2 */
+	if (pins & ATMEL_UART_CTS)
+		at91_set_B_periph(AT91_PIN_PD6, 0);	/* CTS2 */
+}
+
+static struct platform_device *__initdata at91_uarts[ATMEL_MAX_UART];	/* the UARTs to use */
+
+void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins)
+{
+	struct platform_device *pdev;
+	struct atmel_uart_data *pdata;
+
+	switch (id) {
+		case 0:		/* DBGU */
+			pdev = &at91sam9263_dbgu_device;
+			configure_dbgu_pins();
+			break;
+		case AT91SAM9263_ID_US0:
+			pdev = &at91sam9263_uart0_device;
+			configure_usart0_pins(pins);
+			break;
+		case AT91SAM9263_ID_US1:
+			pdev = &at91sam9263_uart1_device;
+			configure_usart1_pins(pins);
+			break;
+		case AT91SAM9263_ID_US2: