GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

source/trusted-firmware/trusted-firmware-a-2.8/include/drivers/marvell/uart/a3700_console.h

@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2016 Marvell International Ltd.
+ *
+ * SPDX-License-Identifier:	BSD-3-Clause
+ * https://spdx.org/licenses
+ */
+
+#ifndef A3700_CONSOLE_H
+#define A3700_CONSOLE_H
+
+#include <drivers/console.h>
+#include <platform_def.h>
+
+/* MVEBU UART Registers */
+#define UART_RX_REG		0x00
+#define UART_TX_REG		0x04
+#define UART_CTRL_REG		0x08
+#define UART_STATUS_REG		0x0c
+#define UART_BAUD_REG		0x10
+#define UART_POSSR_REG		0x14
+
+/* FIFO Control Register bits */
+#define UARTFCR_FIFOMD_16450	(0 << 6)
+#define UARTFCR_FIFOMD_16550	(1 << 6)
+#define UARTFCR_RXTRIG_1	(0 << 6)
+#define UARTFCR_RXTRIG_4	(1 << 6)
+#define UARTFCR_RXTRIG_8	(2 << 6)
+#define UARTFCR_RXTRIG_16	(3 << 6)
+#define UARTFCR_TXTRIG_1	(0 << 4)
+#define UARTFCR_TXTRIG_4	(1 << 4)
+#define UARTFCR_TXTRIG_8	(2 << 4)
+#define UARTFCR_TXTRIG_16	(3 << 4)
+#define UARTFCR_DMAEN		(1 << 3)	/* Enable DMA mode */
+#define UARTFCR_TXCLR		(1 << 2)	/* Clear contents of Tx FIFO */
+#define UARTFCR_RXCLR		(1 << 1)	/* Clear contents of Rx FIFO */
+#define UARTFCR_FIFOEN		(1 << 0)	/* Enable the Tx/Rx FIFO */
+
+/* Line Control Register bits */
+#define UARTLCR_DLAB		(1 << 7)	/* Divisor Latch Access */
+#define UARTLCR_SETB		(1 << 6)	/* Set BREAK Condition */
+#define UARTLCR_SETP		(1 << 5)	/* Set Parity to LCR[4] */
+#define UARTLCR_EVEN		(1 << 4)	/* Even Parity Format */
+#define UARTLCR_PAR		(1 << 3)	/* Parity */
+#define UARTLCR_STOP		(1 << 2)	/* Stop Bit */
+#define UARTLCR_WORDSZ_5	0		/* Word Length of 5 */
+#define UARTLCR_WORDSZ_6	1		/* Word Length of 6 */
+#define UARTLCR_WORDSZ_7	2		/* Word Length of 7 */
+#define UARTLCR_WORDSZ_8	3		/* Word Length of 8 */
+
+/* Line Status Register bits */
+#define UARTLSR_TXFIFOFULL	(1 << 11)	/* Tx Fifo Full */
+#define UARTLSR_TXEMPTY		(1 << 6)	/* Tx Empty */
+#define UARTLSR_RXRDY		(1 << 4)	/* Rx Ready */
+
+/* UART Control Register bits */
+#define UART_CTRL_RXFIFO_RESET	(1 << 14)
+#define UART_CTRL_TXFIFO_RESET	(1 << 15)
+
+#ifndef __ASSEMBLER__
+
+#include <stdint.h>
+
+/*
+ * Initialize a new a3700 console instance and register it with the console
+ * framework. The |console| pointer must point to storage that will be valid
+ * for the lifetime of the console, such as a global or static local variable.
+ * Its contents will be reinitialized from scratch.
+ */
+int console_a3700_register(uintptr_t baseaddr, uint32_t clock, uint32_t baud,
+			   console_t *console);
+
+#endif /*__ASSEMBLER__*/
+
+#endif	/* A3700_CONSOLE_H */