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meson_uart.h revision 1.1.2.2 
      1  1.1.2.2  pgoyette /* $NetBSD: meson_uart.h,v 1.1.2.2 2019/01/26 21:59:59 pgoyette Exp $ */
      2  1.1.2.2  pgoyette 
      3  1.1.2.2  pgoyette /*-
      4  1.1.2.2  pgoyette  * Copyright (c) 2015 Jared D. McNeill <jmcneill (at) invisible.ca>
      5  1.1.2.2  pgoyette  * All rights reserved.
      6  1.1.2.2  pgoyette  *
      7  1.1.2.2  pgoyette  * Redistribution and use in source and binary forms, with or without
      8  1.1.2.2  pgoyette  * modification, are permitted provided that the following conditions
      9  1.1.2.2  pgoyette  * are met:
     10  1.1.2.2  pgoyette  * 1. Redistributions of source code must retain the above copyright
     11  1.1.2.2  pgoyette  *    notice, this list of conditions and the following disclaimer.
     12  1.1.2.2  pgoyette  * 2. Redistributions in binary form must reproduce the above copyright
     13  1.1.2.2  pgoyette  *    notice, this list of conditions and the following disclaimer in the
     14  1.1.2.2  pgoyette  *    documentation and/or other materials provided with the distribution.
     15  1.1.2.2  pgoyette  *
     16  1.1.2.2  pgoyette  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     17  1.1.2.2  pgoyette  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     18  1.1.2.2  pgoyette  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     19  1.1.2.2  pgoyette  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     20  1.1.2.2  pgoyette  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     21  1.1.2.2  pgoyette  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     22  1.1.2.2  pgoyette  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     23  1.1.2.2  pgoyette  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     24  1.1.2.2  pgoyette  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25  1.1.2.2  pgoyette  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  1.1.2.2  pgoyette  * SUCH DAMAGE.
     27  1.1.2.2  pgoyette  */
     28  1.1.2.2  pgoyette 
     29  1.1.2.2  pgoyette #ifndef _MESON_UART_H
     30  1.1.2.2  pgoyette #define _MESON_UART_H
     31  1.1.2.2  pgoyette 
     32  1.1.2.2  pgoyette #define UART_WFIFO_REG		0x00
     33  1.1.2.2  pgoyette #define UART_RFIFO_REG		0x04
     34  1.1.2.2  pgoyette #define UART_CONTROL_REG	0x08
     35  1.1.2.2  pgoyette #define UART_STATUS_REG		0x0c
     36  1.1.2.2  pgoyette #define UART_MISC_REG		0x10
     37  1.1.2.2  pgoyette #define UART_REG5_REG		0x14
     38  1.1.2.2  pgoyette 
     39  1.1.2.2  pgoyette #define UART_CONTROL_TX_INT_EN	__BIT(28)
     40  1.1.2.2  pgoyette #define UART_CONTROL_RX_INT_EN	__BIT(27)
     41  1.1.2.2  pgoyette #define UART_CONTROL_CLEAR_ERR	__BIT(24)
     42  1.1.2.2  pgoyette #define UART_CONTROL_RX_RESET	__BIT(23)
     43  1.1.2.2  pgoyette #define UART_CONTROL_TX_RESET	__BIT(22)
     44  1.1.2.2  pgoyette #define UART_CONTROL_RX_EN	__BIT(13)
     45  1.1.2.2  pgoyette #define UART_CONTROL_TX_EN	__BIT(12)
     46  1.1.2.2  pgoyette 
     47  1.1.2.2  pgoyette #define UART_STATUS_RX_BUSY	__BIT(26)
     48  1.1.2.2  pgoyette #define UART_STATUS_TX_BUSY	__BIT(25)
     49  1.1.2.2  pgoyette #define UART_STATUS_TX_EMPTY	__BIT(22)
     50  1.1.2.2  pgoyette #define UART_STATUS_TX_FULL	__BIT(21)
     51  1.1.2.2  pgoyette #define UART_STATUS_RX_EMPTY	__BIT(20)
     52  1.1.2.2  pgoyette #define UART_STATUS_BREAK	__BIT(17)
     53  1.1.2.2  pgoyette 
     54  1.1.2.2  pgoyette #define UART_MISC_TX_IRQ_CNT	__BITS(15,8)
     55  1.1.2.2  pgoyette #define UART_MISC_RX_IRQ_CNT	__BITS(7,0)
     56  1.1.2.2  pgoyette 
     57  1.1.2.2  pgoyette #endif /* _MESON_UART_H */
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