patch-2.4.25 linux-2.4.25/arch/mips/galileo-boards/ev64120/compressed/ns16550.h
Next file: linux-2.4.25/arch/mips/galileo-boards/ev64120/compressed/osdep.h
Previous file: linux-2.4.25/arch/mips/galileo-boards/ev64120/compressed/misc.c
Back to the patch index
Back to the overall index
- Lines: 127
- Date:
1969-12-31 16:00:00.000000000 -0800
- Orig file:
linux-2.4.24/arch/mips/galileo-boards/ev64120/compressed/ns16550.h
- Orig date:
2002-08-02 17:39:43.000000000 -0700
diff -urN linux-2.4.24/arch/mips/galileo-boards/ev64120/compressed/ns16550.h linux-2.4.25/arch/mips/galileo-boards/ev64120/compressed/ns16550.h
@@ -1,126 +0,0 @@
-/* NS16550 UART registers */
-
-#ifndef NS16550H
-#define NS16550H
-
-#define UART_BASE 0xbd000000
-#define NS16550_CHANA PHYS_TO_K1(UART_BASE + 0x20)
-#define NS16550_CHANB PHYS_TO_K1(UART_BASE)
-
-#ifndef NS16550_HZ
-#define NS16550_HZ 3686400
-#endif
-
-#ifdef __ASSEMBLY__
-
-#ifndef NSREG
-#define NSREG(x) ((x)*4)
-#endif
-
-#define DATA NSREG(0) /* data register (R/W) */
-#define IER NSREG(1) /* interrupt enable (W) */
-#define IIR NSREG(2) /* interrupt identification (R) */
-#define FIFO IIR /* 16550 fifo control (W) */
-#define CFCR NSREG(3) /* line control register (R/W) */
-#define MCR NSREG(4) /* modem control register (R/W) */
-#define LSR NSREG(5) /* line status register (R/W) */
-#define MSR NSREG(6) /* modem status register (R/W) */
-#define SCR NSREG(7) /* scratch register (R/W) */
-
-#else
-
-#ifndef nsreg
-#if #endian(little)
-#define nsreg(x) unsigned :24; unsigned char x;
-#else
-/*#define nsreg(x) unsigned char x; unsigned :24;*/
-#define nsreg(x) unsigned int x:8;unsigned int :24;
-#endif
-#endif
-
-typedef struct {
- nsreg(data); /* data register (R/W) */
- nsreg(ier); /* interrupt enable (W) */
- nsreg(iir); /* interrupt identification (R) */
-#define fifo iir /* 16550 fifo control (W) */
- nsreg(cfcr); /* line control register (R/W) */
- nsreg(mcr); /* modem control register (R/W) */
- nsreg(lsr); /* line status register (R/W) */
- nsreg(msr); /* modem status register (R/W) */
- nsreg(scr); /* scratch register (R/W) */
-} ns16550dev;
-#endif
-
-
-/* 16 bit baud rate divisor (lower byte in dca_data, upper in dca_ier) */
-#define BRTC(x) (NS16550_HZ / (16*(x)))
-
-/* interrupt enable register */
-#define IER_ERXRDY 0x1 /* int on rx ready */
-#define IER_ETXRDY 0x2 /* int on tx ready */
-#define IER_ERLS 0x4 /* int on line status change */
-#define IER_EMSC 0x8 /* int on modem status change */
-
-/* interrupt identification register */
-#define IIR_IMASK 0xf /* mask */
-#define IIR_RXTOUT 0xc /* receive timeout */
-#define IIR_RLS 0x6 /* receive line status */
-#define IIR_RXRDY 0x4 /* receive ready */
-#define IIR_TXRDY 0x2 /* transmit ready */
-#define IIR_NOPEND 0x1 /* nothing */
-#define IIR_MLSC 0x0 /* modem status */
-#define IIR_FIFO_MASK 0xc0 /* set if FIFOs are enabled */
-
-/* fifo control register */
-#define FIFO_ENABLE 0x01 /* enable fifo */
-#define FIFO_RCV_RST 0x02 /* reset receive fifo */
-#define FIFO_XMT_RST 0x04 /* reset transmit fifo */
-#define FIFO_DMA_MODE 0x08 /* enable dma mode */
-#define FIFO_TRIGGER_1 0x00 /* trigger at 1 char */
-#define FIFO_TRIGGER_4 0x40 /* trigger at 4 chars */
-#define FIFO_TRIGGER_8 0x80 /* trigger at 8 chars */
-#define FIFO_TRIGGER_14 0xc0 /* trigger at 14 chars */
-
-/* character format control register */
-#define CFCR_DLAB 0x80 /* divisor latch */
-#define CFCR_SBREAK 0x40 /* send break */
-#define CFCR_PZERO 0x30 /* zero parity */
-#define CFCR_PONE 0x20 /* one parity */
-#define CFCR_PEVEN 0x10 /* even parity */
-#define CFCR_PODD 0x00 /* odd parity */
-#define CFCR_PENAB 0x08 /* parity enable */
-#define CFCR_STOPB 0x04 /* 2 stop bits */
-#define CFCR_8BITS 0x03 /* 8 data bits */
-#define CFCR_7BITS 0x02 /* 7 data bits */
-#define CFCR_6BITS 0x01 /* 6 data bits */
-#define CFCR_5BITS 0x00 /* 5 data bits */
-
-/* modem control register */
-#define MCR_LOOPBACK 0x10 /* loopback */
-#define MCR_IENABLE 0x08 /* output 2 = int enable */
-#define MCR_DRS 0x04 /* output 1 = xxx */
-#define MCR_RTS 0x02 /* enable RTS */
-#define MCR_DTR 0x01 /* enable DTR */
-
-/* line status register */
-#define LSR_RCV_FIFO 0x80 /* error in receive fifo */
-#define LSR_TSRE 0x40 /* transmitter empty */
-#define LSR_TXRDY 0x20 /* transmitter ready */
-#define LSR_BI 0x10 /* break detected */
-#define LSR_FE 0x08 /* framing error */
-#define LSR_PE 0x04 /* parity error */
-#define LSR_OE 0x02 /* overrun error */
-#define LSR_RXRDY 0x01 /* receiver ready */
-#define LSR_RCV_MASK 0x1f
-
-/* modem status register */
-#define MSR_DCD 0x80 /* DCD active */
-#define MSR_RI 0x40 /* RI active */
-#define MSR_DSR 0x20 /* DSR active */
-#define MSR_CTS 0x10 /* CTS active */
-#define MSR_DDCD 0x08 /* DCD changed */
-#define MSR_TERI 0x04 /* RI changed */
-#define MSR_DDSR 0x02 /* DSR changed */
-#define MSR_DCTS 0x01 /* CTS changed */
-
-#endif
FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)