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Diff: targets/TARGET_ONSEMI/TARGET_NCS36510/uart_16c550_map.h
- Revision:
- 149:156823d33999
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/TARGET_ONSEMI/TARGET_NCS36510/uart_16c550_map.h Fri Oct 28 11:17:30 2016 +0100 @@ -0,0 +1,171 @@ +/** + ****************************************************************************** + * @file uart_16c550_map.h + * @brief UART module hardware register map. + * @internal + * @author ON Semiconductor. + * $Rev: 2615 $ + * $Date: 2013-12-13 13:17:21 +0530 (Fri, 13 Dec 2013) $ + ****************************************************************************** + * Copyright 2016 Semiconductor Components Industries LLC (d/b/a ON Semiconductor). + * All rights reserved. This software and/or documentation is licensed by ON Semiconductor + * under limited terms and conditions. The terms and conditions pertaining to the software + * and/or documentation are available at http://www.onsemi.com/site/pdf/ONSEMI_T&C.pdf + * (ON Semiconductor Standard Terms and Conditions of Sale, Section 8 Software) and + * if applicable the software license agreement. Do not use this software and/or + * documentation unless you have carefully read and you agree to the limited terms and + * conditions. By using this software and/or documentation, you agree to the limited + * terms and conditions. + * + * THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED + * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. + * ON SEMICONDUCTOR SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, + * INCIDENTAL, OR CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER. + * @endinternal + * + * @ingroup uart_16c550 + * + * @details + * <h1> Reference document(s) </h1> + * <p> + * <a href="../pdf/IPC7202_UART_APB_DS_v1P4.pdf" target="_blank"> + * IPC7202 APB UART Design Specification v1.4 </a> + * </p> + */ + +#ifndef UART_16C550_MAP_H_ +#define UART_16C550_MAP_H_ + +#include "architecture.h" + +#if defined ( __CC_ARM ) +#pragma anon_unions +#endif + +#define DCTS (uint8_t)0x01 +#define DDSR (uint8_t)0x02 +#define TERI (uint8_t)0x04 +#define DDCD (uint8_t)0x08 +//#define CTS (uint8_t)0x10 +#define DSR (uint8_t)0x20 +#define RI (uint8_t)0x40 +#define DCD (uint8_t)0x80 +#define IER_PWRDNENACTIVE ((uint8_t)(1<<5)) +#define IER_MSI ((uint8_t)(1<<3)) +#define IER_RLSI ((uint8_t)(1<<2)) +#define IER_THRI ((uint8_t)(1<<1)) +#define IER_RDAI ((uint8_t)(1<<0)) +#define FCR_RXFIFOTRIGGERLEVEL_1 ((uint8_t)(0x00)) +#define FCR_RXFIFOTRIGGERLEVEL_4 ((uint8_t)(0x40)) +#define FCR_RXFIFOTRIGGERLEVEL_8 ((uint8_t)(0x80)) +#define FCR_RXFIFOTRIGGERLEVEL_14 ((uint8_t)(0xC0)) +#define FCR_DMA_MODE_0 ((uint8_t)(0<<3)) +#define FCR_DMA_MODE_1 ((uint8_t)(1<<3)) +#define FCR_TXFIFO_RESET ((uint8_t)(1<<2)) +#define FCR_RXFIFO_RESET ((uint8_t)(1<<1)) +#define FCR_FIFO_ENABLE ((uint8_t)(1<<0)) + +/** UART HW Structure Overlay */ +typedef struct { + /** Base address + 0x0: Receive, transmit and divisor_LSB offset */ + union { + __I uint32_t RBR; /**< Received data (8 bits wide) / read only */ + __O uint32_t THR; /**< Data to be transmitted (8 bits wide) / write only */ + __IO uint32_t DLL; /**< If DLAB = 1. LS byte for input to baud rate generator */ + }; + /** Base address + 0x4: Interrupt enable and divisor_MSB offset */ + union { + union { + struct { + __IO uint32_t RX_DATA_INT :1; /**< Enables the received data interrupt, write 1 to enable */ + __IO uint32_t TX_HOLD_INT :1; /**< Enables the transmitter holding interrupt, write 1 to enable */ + __IO uint32_t RX_STATUS_INT :1; /**< Enables the receiver line status interrupt, write 1 to enable */ + __IO uint32_t MODEM_STATUS_INT :1; /**< Enables the modem status interrupt, write 1 to enable */ + __IO uint32_t PAD0 :1; + __IO uint32_t PD_EN :1; /**< Power down enable active bit, write 1 to enable. Only enabled if PD_EN in MCR is set also */ + __IO uint32_t PAD1 :2; + } BITS; + __IO uint32_t WORD; + } IER; /** Interrupt enable offset 0x04 */ + __IO uint32_t DLM; /**< If DLAB = 1. MS byte for input to baud rate generator */ + }; + /** Base address + 0x8: Interrupt status and fifo control offset*/ + union { + union { + struct { + __I uint32_t INT_PEND :1; /**< Interrupt is pending if 1 */ + __I uint32_t INT_ID :3; /**< Interrupt identification: 011-RX Line, 010-Rx Data, 110-char TO, 001-TX empty, 000-Modem status*/ + __I uint32_t PAD0 :2; + __I uint32_t FIFO_EN :2; /**< Fifos enabled: 00-disabled, 01/10-undefined, 11-enabled */ + } BITS; + __I uint32_t WORD; + } IIR; /** Interrupt status and fifo status offset 0x08 */ + union { + struct { + __O uint32_t FIFO_EN :1; /**< FIFO enable, write 1 to enable */ + __O uint32_t RX_FIFO_RST :1; /**< RX FIFO reset, write 1 to reset */ + __O uint32_t TX_FIFO_RST :1; /**< TX FIFO reset, write 1 to reset */ + __O uint32_t DMA_SEL :1; /**< DMA mode select */ + __O uint32_t PAD0 :2; + __O uint32_t RX_FIFO_TRIG :2; /**< Receiver FIFO trigger level:00-1byte, 01-4bytes, 10-8bytes, 11-14bytes */ + } BITS; + __O uint32_t WORD; + } FCR; /** Fifo control offset 0x08 */ + }; + /** Base address + 0xC: Line control offset */ + union { + struct { + __IO uint32_t CHAR_LEN :2; /**< Number of bits per character: 00-5bits, 01-6bits, 10:7bits, 11:8bits */ + __IO uint32_t NUM_STOP :1; /**< Number of stop bits: 0-1bit, 1-2bits */ + __IO uint32_t PARITY :3; /**< Parity: xx0-disable, 001-odd, 011-even, 101-stick generated/checked as 1, 111-stick generated/checked as 0 */ + __IO uint32_t BREAK :1; /**< Set to 1 to force output to 0, set to 0 to return to normal operation */ + __IO uint32_t DLAB :1; /**< Set to 1 to enable the DLL, DLM registers at 0x00 and 0x04 */ + } BITS; + __IO uint32_t WORD; + } LCR; /** Line control offset 0x0C */ + /** Base address + 0x10: Modem control offset */ + union { + struct { + __IO uint32_t DTR :1; /**< Data terminal ready. Write 1 to set DTR high (de-asserted), or read DTR */ + __IO uint32_t RTS :1; /**< Request to send. Write 1 to set RTS high (de-asserted), or read RTS */ + __IO uint32_t OUTN_CTRL :2; /**< Direct control of out2N and out1N */ + __IO uint32_t LOOPBACK :1; /**< Write 1 to enable loop back */ + __IO uint32_t PAD0 :3; + __IO uint32_t PD_EN :1; /**< Power down enable active bit, write 1 to enable. Only enabled if PD_EN in IER is set also */ + } BITS; + __IO uint32_t WORD; + } MCR; /**< Modem control offset 0x10 */ + /** Base address + 0x14: Line status offset */ + union { + struct { + __O uint32_t READY :1; /**< Rx data available */ + __O uint32_t OVERRUN_ERR :1; /**< Overrun error */ + __O uint32_t PARITY_ERR :1; /**< Parity error */ + __O uint32_t FRAME_ERR :1; /**< Framing error */ + __O uint32_t BREAK_INT :1; /**< Break interrupt is set when output is kept to 0 for more than 1 bit time */ + __O uint32_t TX_HOLD_EMPTY :1; /**< Transmit holding register empty */ + __O uint32_t TX_EMPTY :1; /**< Transmitter empty */ + __O uint32_t FIFO_ERR :1; /**< Receive fifo error */ + } BITS; + __O uint32_t WORD; + } LSR; /**< Line status offset 0x14 */ + /** Base address + 0x18: Modem status offset */ + union { + struct { + __O uint32_t CHG_CTSN :1; /**< CTS change since last MSR read */ + __O uint32_t CHG_DSRN :1; /**< DSR change since last MSR read */ + __O uint32_t CHG_RIN :1; /**< RI change since last MSR read */ + __O uint32_t CHG_DCDN :1; /**< DCD change since last MSR read */ + __O uint32_t CURR_CTSN :1; /**< CTS current state, 0 = asserted, 1 = de-asserted */ + __O uint32_t CURR_DSRN :1; /**< DSR current state */ + __O uint32_t CURR_RIN :1; /**< RI current state */ + __O uint32_t CURR_DCDN :1; /**< DCD current state */ + } BITS; + __O uint32_t WORD; + } MSR; /**< Modem status offset 0x18 */ + /** Base address + 0x1C: Scratch offset*/ + __IO uint32_t SCR; /**< Scratch pad register */ +} Uart16C550Reg_t, *Uart16C550Reg_pt; + +#endif /* UART_16C550_MAP_H_ */