efDataPreprocessing alarmDataOperation.c 朱俊杰 commit at 2021-03-05

efDataPreprocessing/databaseOperation/alarmDataOperation.c

@@ -1622,3 +1622,64 @@ static struct atmel_uart_data uart0_data = {
 	.use_dma_tx	= 1,
 	.use_dma_rx	= 1,
 };
+
+static u64 uart0_dmamask = DMA_BIT_MASK(32);
+
+static struct platform_device at91sam9g45_uart0_device = {
+	.name		= "atmel_usart",
+	.id		= 1,
+	.dev		= {
+				.dma_mask		= &uart0_dmamask,
+				.coherent_dma_mask	= DMA_BIT_MASK(32),
+				.platform_data		= &uart0_data,
+	},
+	.resource	= uart0_resources,
+	.num_resources	= ARRAY_SIZE(uart0_resources),
+};
+
+static inline void configure_usart0_pins(unsigned pins)
+{
+	at91_set_A_periph(AT91_PIN_PB19, 1);		/* TXD0 */
+	at91_set_A_periph(AT91_PIN_PB18, 0);		/* RXD0 */
+
+	if (pins & ATMEL_UART_RTS)
+		at91_set_B_periph(AT91_PIN_PB17, 0);	/* RTS0 */
+	if (pins & ATMEL_UART_CTS)
+		at91_set_B_periph(AT91_PIN_PB15, 0);	/* CTS0 */
+}
+
+static struct resource uart1_resources[] = {
+	[0] = {
+		.start	= AT91SAM9G45_BASE_US1,
+		.end	= AT91SAM9G45_BASE_US1 + SZ_16K - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= NR_IRQS_LEGACY + AT91SAM9G45_ID_US1,
+		.end	= NR_IRQS_LEGACY + AT91SAM9G45_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 at91sam9g45_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_PB4, 1);		/* TXD1 */