diff options
Diffstat (limited to 'bsps/include/dev/serial/zynq-uart-regs.h')
| -rw-r--r-- | bsps/include/dev/serial/zynq-uart-regs.h | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/bsps/include/dev/serial/zynq-uart-regs.h b/bsps/include/dev/serial/zynq-uart-regs.h index 8b6e7d513b..5e872d16c3 100644 --- a/bsps/include/dev/serial/zynq-uart-regs.h +++ b/bsps/include/dev/serial/zynq-uart-regs.h @@ -7,7 +7,7 @@ /* * SPDX-License-Identifier: BSD-2-Clause * - * Copyright (C) 2013 embedded brains GmbH + * Copyright (C) 2013 embedded brains GmbH & Co. KG * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -43,6 +43,8 @@ #include <bsp/utility.h> +#define ZYNQ_UART_DEFAULT_BAUD 115200 + #define ZYNQ_UART_FIFO_DEPTH 64 typedef struct zynq_uart { @@ -158,6 +160,24 @@ typedef struct zynq_uart { #define ZYNQ_UART_TX_FIFO_TRG_LVL_TTRIG_SET(reg, val) BSP_FLD32SET(reg, val, 0, 5) } zynq_uart; +void zynq_uart_initialize(volatile zynq_uart *regs); + +int zynq_uart_read_char_polled(volatile zynq_uart *regs); + +void zynq_uart_write_char_polled(volatile zynq_uart *regs, char c); + +/** + * Flush TX FIFO and wait until it is empty. Used in bsp_reset. + */ +void zynq_uart_reset_tx_flush(volatile zynq_uart *regs); + +int zynq_cal_baud_rate( + uint32_t baudrate, + uint32_t* brgr, + uint32_t* bauddiv, + uint32_t modereg +); + /** @} */ #endif /* LIBBSP_ARM_XILINX_ZYNQ_UART_REGS_H */ |