| /* 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 |