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Diffstat (limited to 'include/nios2-yanu.h')
| -rw-r--r-- | include/nios2-yanu.h | 99 |
1 files changed, 0 insertions, 99 deletions
diff --git a/include/nios2-yanu.h b/include/nios2-yanu.h deleted file mode 100644 index 6c16f5b..0000000 --- a/include/nios2-yanu.h +++ /dev/null @@ -1,99 +0,0 @@ -/* - * (C) Copyright 2006, Imagos S.a.s <www.imagos.it> - * Renato Andreola <renato.andreola@imagos.it> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -/************************************************************************* - * Altera NiosII YANU serial interface by Imagos - * please see http://www.opencores.org/project,yanu for - * information/downloads - ************************************************************************/ - -#ifndef __NIOS2_YANU_H__ -#define __NIOS2_YANU_H__ - -#define YANU_MAX_PRESCALER_N ((1 << 4) - 1) /* 15 */ -#define YANU_MAX_PRESCALER_M ((1 << 11) -1) /* 2047 */ -#define YANU_FIFO_SIZE (16) -#define YANU_RXFIFO_SIZE (YANU_FIFO_SIZE) -#define YANU_TXFIFO_SIZE (YANU_FIFO_SIZE) - -#define YANU_RXFIFO_DLY (10*11) -#define YANU_TXFIFO_THR (10) -#define YANU_DATA_CHAR_MASK (0xFF) - -/* data register */ -#define YANU_DATA_OFFSET (0) /* data register offset */ - -#define YANU_CONTROL_OFFSET (4) /* control register offset */ -/* interrupt enable */ -#define YANU_CONTROL_IE_RRDY (1<<0) /* ie on received character ready */ -#define YANU_CONTROL_IE_OE (1<<1) /* ie on rx overrun */ -#define YANU_CONTROL_IE_BRK (1<<2) /* ie on break detect */ -#define YANU_CONTROL_IE_FE (1<<3) /* ie on framing error */ -#define YANU_CONTROL_IE_PE (1<<4) /* ie on parity error */ -#define YANU_CONTROL_IE_TRDY (1<<5) /* ie interrupt on tranmitter ready */ -/* control bits */ -#define YANU_CONTROL_BITS_POS (6) /* bits number pos */ -#define YANU_CONTROL_BITS (1<<YANU_CONTROL_BITS_POS) /* number of rx/tx bits per word. 3 bit unsigned integer */ -#define YANU_CONTROL_BITS_N (3) /* ... its bit filed length */ -#define YANU_CONTROL_PARENA (1<<9) /* enable parity bit transmission/reception */ -#define YANU_CONTROL_PAREVEN (1<<10) /* parity even */ -#define YANU_CONTROL_STOPS (1<<11) /* number of stop bits */ -#define YANU_CONTROL_HHENA (1<<12) /* Harware Handshake enable... */ -#define YANU_CONTROL_FORCEBRK (1<<13) /* if set than txd = active (0) */ -/* tuning part */ -#define YANU_CONTROL_RDYDLY (1<<14) /* delay from "first" before setting rrdy (in bit) */ -#define YANU_CONTROL_RDYDLY_N (8) /* ... its bit filed length */ -#define YANU_CONTROL_TXTHR (1<<22) /* tx interrupt threshold: the trdy set if txfifo_chars<= txthr (chars) */ -#define YANU_CONTROL_TXTHR_N (4) /* ... its bit field length */ - -#define YANU_BAUD_OFFSET (8) /* baud register offset */ -#define YANU_BAUDM (1<<0) /* baud mantissa lsb */ -#define YANU_BAUDM_N (12) /* ...its bit filed length */ -#define YANU_BAUDE (1<<12) /* baud exponent lsb */ -#define YANU_BAUDE_N (4) /* ...its bit field length */ - -#define YANU_ACTION_OFFSET (12) /* action register... write only */ -#define YANU_ACTION_RRRDY (1<<0) /* reset rrdy */ -#define YANU_ACTION_ROE (1<<1) /* reset oe */ -#define YANU_ACTION_RBRK (1<<2) /* reset brk */ -#define YANU_ACTION_RFE (1<<3) /* reset fe */ -#define YANU_ACTION_RPE (1<<4) /* reset pe */ -#define YANU_ACTION_SRRDY (1<<5) /* set rrdy */ -#define YANU_ACTION_SOE (1<<6) /* set oe */ -#define YANU_ACTION_SBRK (1<<7) /* set brk */ -#define YANU_ACTION_SFE (1<<8) /* set fe */ -#define YANU_ACTION_SPE (1<<9) /* set pe */ -#define YANU_ACTION_RFIFO_PULL (1<<10) /* pull a char from rx fifo we MUST do it before taking a char */ -#define YANU_ACTION_RFIFO_CLEAR (1<<11) /* clear rx fifo */ -#define YANU_ACTION_TFIFO_CLEAR (1<<12) /* clear tx fifo */ -#define YANU_ACTION_RTRDY (1<<13) /* clear trdy */ -#define YANU_ACTION_STRDY (1<<14) /* set trdy */ - -#define YANU_STATUS_OFFSET (16) -#define YANU_STATUS_RRDY (1<<0) /* rxrdy flag */ -#define YANU_STATUS_TRDY (1<<1) /* txrdy flag */ -#define YANU_STATUS_OE (1<<2) /* rx overrun error */ -#define YANU_STATUS_BRK (1<<3) /* rx break detect flag */ -#define YANU_STATUS_FE (1<<4) /* rx framing error flag */ -#define YANU_STATUS_PE (1<<5) /* rx parity erro flag */ -#define YANU_RFIFO_CHARS_POS (6) -#define YANU_RFIFO_CHARS (1<<RFIFO_CHAR_POS) /* number of chars into rx fifo */ -#define YANU_RFIFO_CHARS_N (5) /* ...its bit field length: 32 chars */ -#define YANU_TFIFO_CHARS_POS (11) -#define YANU_TFIFO_CHARS (1<<TFIFO_CHAR_POS) /* number of chars into tx fifo */ -#define YANU_TFIFO_CHARS_N (5) /* ...its bit field length: 32 chars */ - -typedef volatile struct yanu_uart_t { - volatile unsigned data; - volatile unsigned control; /* control register (RW) 32-bit */ - volatile unsigned baud; /* baud/prescaler register (RW) 32-bit */ - volatile unsigned action; /* action register (W) 32-bit */ - volatile unsigned status; /* status register (R) 32-bit */ - volatile unsigned magic; /* magic register (R) 32-bit */ -} yanu_uart_t; - -#endif |