diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/nios2-io.h | 153 |
1 files changed, 0 insertions, 153 deletions
diff --git a/include/nios2-io.h b/include/nios2-io.h deleted file mode 100644 index 6f1ae50..0000000 --- a/include/nios2-io.h +++ /dev/null @@ -1,153 +0,0 @@ -/* - * (C) Copyright 2004, Psyent Corporation <www.psyent.com> - * Scott McNutt <smcnutt@psyent.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -/************************************************************************* - * Altera Nios2 Standard Peripherals - ************************************************************************/ - -#ifndef __NIOS2IO_H__ -#define __NIOS2IO_H__ - -/*------------------------------------------------------------------------ - * UART (http://www.altera.com/literature/ds/ds_nios_uart.pdf) - *----------------------------------------------------------------------*/ -typedef volatile struct nios_uart_t { - unsigned rxdata; /* Rx data reg */ - unsigned txdata; /* Tx data reg */ - unsigned status; /* Status reg */ - unsigned control; /* Control reg */ - unsigned divisor; /* Baud rate divisor reg */ - unsigned endofpacket; /* End-of-packet reg */ -}nios_uart_t; - -/* status register */ -#define NIOS_UART_PE (1 << 0) /* parity error */ -#define NIOS_UART_FE (1 << 1) /* frame error */ -#define NIOS_UART_BRK (1 << 2) /* break detect */ -#define NIOS_UART_ROE (1 << 3) /* rx overrun */ -#define NIOS_UART_TOE (1 << 4) /* tx overrun */ -#define NIOS_UART_TMT (1 << 5) /* tx empty */ -#define NIOS_UART_TRDY (1 << 6) /* tx ready */ -#define NIOS_UART_RRDY (1 << 7) /* rx ready */ -#define NIOS_UART_E (1 << 8) /* exception */ -#define NIOS_UART_DCTS (1 << 10) /* cts change */ -#define NIOS_UART_CTS (1 << 11) /* cts */ -#define NIOS_UART_EOP (1 << 12) /* eop detected */ - -/* control register */ -#define NIOS_UART_IPE (1 << 0) /* parity error int ena*/ -#define NIOS_UART_IFE (1 << 1) /* frame error int ena */ -#define NIOS_UART_IBRK (1 << 2) /* break detect int ena */ -#define NIOS_UART_IROE (1 << 3) /* rx overrun int ena */ -#define NIOS_UART_ITOE (1 << 4) /* tx overrun int ena */ -#define NIOS_UART_ITMT (1 << 5) /* tx empty int ena */ -#define NIOS_UART_ITRDY (1 << 6) /* tx ready int ena */ -#define NIOS_UART_IRRDY (1 << 7) /* rx ready int ena */ -#define NIOS_UART_IE (1 << 8) /* exception int ena */ -#define NIOS_UART_TBRK (1 << 9) /* transmit break */ -#define NIOS_UART_IDCTS (1 << 10) /* cts change int ena */ -#define NIOS_UART_RTS (1 << 11) /* rts */ -#define NIOS_UART_IEOP (1 << 12) /* eop detected int ena */ - - -/*------------------------------------------------------------------------ - * TIMER (http://www.altera.com/literature/ds/ds_nios_timer.pdf) - *----------------------------------------------------------------------*/ -typedef volatile struct nios_timer_t { - unsigned status; /* Timer status reg */ - unsigned control; /* Timer control reg */ - unsigned periodl; /* Timeout period low */ - unsigned periodh; /* Timeout period high */ - unsigned snapl; /* Snapshot low */ - unsigned snaph; /* Snapshot high */ -}nios_timer_t; - -/* status register */ -#define NIOS_TIMER_TO (1 << 0) /* Timeout */ -#define NIOS_TIMER_RUN (1 << 1) /* Timer running */ - -/* control register */ -#define NIOS_TIMER_ITO (1 << 0) /* Timeout int ena */ -#define NIOS_TIMER_CONT (1 << 1) /* Continuous mode */ -#define NIOS_TIMER_START (1 << 2) /* Start timer */ -#define NIOS_TIMER_STOP (1 << 3) /* Stop timer */ - - -/*------------------------------------------------------------------------ - * PIO (http://www.altera.com/literature/ds/ds_nios_pio.pdf) - *----------------------------------------------------------------------*/ -typedef volatile struct nios_pio_t { - unsigned int data; /* Data value at each PIO in/out */ - unsigned int direction; /* Data direct. for each PIO bit */ - unsigned int interruptmask; /* Per-bit IRQ enable/disable */ - unsigned int edgecapture; /* Per-bit sync. edge detect & hold */ -}nios_pio_t; - -/* direction register */ -#define NIOS_PIO_OUT (1) /* PIO bit is output */ -#define NIOS_PIO_IN (0) /* PIO bit is input */ - - -/*------------------------------------------------------------------------ - * SPI (http://www.altera.com/literature/ds/ds_nios_spi.pdf) - *----------------------------------------------------------------------*/ -typedef volatile struct nios_spi_t { - unsigned rxdata; /* Rx data reg */ - unsigned txdata; /* Tx data reg */ - unsigned status; /* Status reg */ - unsigned control; /* Control reg */ - unsigned reserved; /* (master only) */ - unsigned slaveselect; /* SPI slave select mask (master only) */ -}nios_spi_t; - -/* status register */ -#define NIOS_SPI_ROE (1 << 3) /* rx overrun */ -#define NIOS_SPI_TOE (1 << 4) /* tx overrun */ -#define NIOS_SPI_TMT (1 << 5) /* tx empty */ -#define NIOS_SPI_TRDY (1 << 6) /* tx ready */ -#define NIOS_SPI_RRDY (1 << 7) /* rx ready */ -#define NIOS_SPI_E (1 << 8) /* exception */ - -/* control register */ -#define NIOS_SPI_IROE (1 << 3) /* rx overrun int ena */ -#define NIOS_SPI_ITOE (1 << 4) /* tx overrun int ena */ -#define NIOS_SPI_ITRDY (1 << 6) /* tx ready int ena */ -#define NIOS_SPI_IRRDY (1 << 7) /* rx ready int ena */ -#define NIOS_SPI_IE (1 << 8) /* exception int ena */ -#define NIOS_SPI_SSO (1 << 10) /* override SS_n output */ - -/*------------------------------------------------------------------------ - * JTAG UART - *----------------------------------------------------------------------*/ -typedef volatile struct nios_jtag_t { - unsigned data; /* Data register */ - unsigned control; /* Control register */ -}nios_jtag_t; - -/* data register */ -#define NIOS_JTAG_RVALID (1<<15) /* Read valid */ -#define NIOS_JTAG_DATA(d) ((d)&0x0ff) /* Read data */ -#define NIOS_JTAG_RAVAIL(d) ((d)>>16) /* Read space avail */ - -/* control register */ -#define NIOS_JTAG_RE (1 << 0) /* read intr enable */ -#define NIOS_JTAG_WE (1 << 1) /* write intr enable */ -#define NIOS_JTAG_RI (1 << 8) /* read intr pending */ -#define NIOS_JTAG_WI (1 << 9) /* write intr pending*/ -#define NIOS_JTAG_AC (1 << 10) /* activity indicator */ -#define NIOS_JTAG_RRDY (1 << 12) /* read available */ -#define NIOS_JTAG_WSPACE(d) ((d)>>16) /* Write space avail */ - -/*------------------------------------------------------------------------ - * SYSTEM ID - *----------------------------------------------------------------------*/ -typedef volatile struct nios_sysid_t { - unsigned id; /* The system build id*/ - unsigned timestamp; /* Timestamp */ -}nios_sysid_t; - -#endif /* __NIOS2IO_H__ */ |