From 102b0d2daa97dae68d3eed54d8fe37a9cc38a892 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 11:13:47 +0200 Subject: Adding upstream version 2.8.0+dfsg. Signed-off-by: Daniel Baumann --- include/drivers/marvell/uart/a3700_console.h | 74 ++++++++++++++++++++++++++++ 1 file changed, 74 insertions(+) create mode 100644 include/drivers/marvell/uart/a3700_console.h (limited to 'include/drivers/marvell/uart/a3700_console.h') diff --git a/include/drivers/marvell/uart/a3700_console.h b/include/drivers/marvell/uart/a3700_console.h new file mode 100644 index 0000000..ce673a1 --- /dev/null +++ b/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 +#include + +/* 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 + +/* + * 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 */ -- cgit v1.2.3