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- /* GRLIB APBUART definitions
- *
- * (C) Copyright 2010, 2015
- * Daniel Hellstrom, Cobham Gaisler, daniel@gaisler.com
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
- #ifndef __GRLIB_APBUART_H__
- #define __GRLIB_APBUART_H__
- /* APBUART Register map */
- typedef struct {
- volatile unsigned int data;
- volatile unsigned int status;
- volatile unsigned int ctrl;
- volatile unsigned int scaler;
- } ambapp_dev_apbuart;
- /*
- * The following defines the bits in the LEON UART Status Registers.
- */
- #define APBUART_STATUS_DR 0x00000001 /* Data Ready */
- #define APBUART_STATUS_TSE 0x00000002 /* TX Send Register Empty */
- #define APBUART_STATUS_THE 0x00000004 /* TX Hold Register Empty */
- #define APBUART_STATUS_BR 0x00000008 /* Break Error */
- #define APBUART_STATUS_OE 0x00000010 /* RX Overrun Error */
- #define APBUART_STATUS_PE 0x00000020 /* RX Parity Error */
- #define APBUART_STATUS_FE 0x00000040 /* RX Framing Error */
- #define APBUART_STATUS_ERR 0x00000078 /* Error Mask */
- /*
- * The following defines the bits in the LEON UART Ctrl Registers.
- */
- #define APBUART_CTRL_RE 0x00000001 /* Receiver enable */
- #define APBUART_CTRL_TE 0x00000002 /* Transmitter enable */
- #define APBUART_CTRL_RI 0x00000004 /* Receiver interrupt enable */
- #define APBUART_CTRL_TI 0x00000008 /* Transmitter interrupt enable */
- #define APBUART_CTRL_PS 0x00000010 /* Parity select */
- #define APBUART_CTRL_PE 0x00000020 /* Parity enable */
- #define APBUART_CTRL_FL 0x00000040 /* Flow control enable */
- #define APBUART_CTRL_LB 0x00000080 /* Loop Back enable */
- #define APBUART_CTRL_DBG (1<<11) /* Debug Bit used by GRMON */
- #endif
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