diff options
Diffstat (limited to 'c/src/libnetworking/pppd/modem_example/16550.h')
| -rw-r--r-- | c/src/libnetworking/pppd/modem_example/16550.h | 110 |
1 files changed, 0 insertions, 110 deletions
diff --git a/c/src/libnetworking/pppd/modem_example/16550.h b/c/src/libnetworking/pppd/modem_example/16550.h deleted file mode 100644 index cba98d69f2..0000000000 --- a/c/src/libnetworking/pppd/modem_example/16550.h +++ /dev/null @@ -1,110 +0,0 @@ -/* - *------------------------------------------------------------------- - * - * 16550 -- header file for National Semiconducor's 16550 UART - * - * This file has been created by John S. Gwynne for the efi68k - * project. - * - * The license and distribution terms for this file may in - * the file LICENSE in this distribution or at - * http://www.OARcorp.com/rtems/license.html. - * - *------------------------------------------------------------------ - * - * $Id$ - */ - -#ifndef _16550_H_ -#define _16550_H_ - -/* base address is the physical location of register 0 */ -#define UART_BASE_ADDRESS 0xF0000000 - -/* definitions of register addresses and associate bits */ - -#define RBR (volatile unsigned char * const)(0+UART_BASE_ADDRESS) - /* Receiver Buffer Register (w/DLAB=0)*/ - /* 8-bit data */ - -#define THR (volatile unsigned char * const)(0+UART_BASE_ADDRESS) - /* Transmitter Holding Register (w/DLAB=0) */ - /* 8-bit data */ - -#define DLL (volatile unsigned char * const)(0+UART_BASE_ADDRESS) - /* Divisor Latch (LS) (w/DLAB=1) */ - /* LSB of Divisor */ - -#define DLM (volatile unsigned char * const)(1+UART_BASE_ADDRESS) - /* Divisor Latch (MS) (w/DLAB=1) */ - /* MSB of Divisor */ - -#define IER (volatile unsigned char * const)(1+UART_BASE_ADDRESS) - /* Interrupt Enable Register (w/DLAB=0) */ -#define ERBFI 0x01 /* Enable Recv Data Available Interrupt */ -#define ETBEI 0x02 /* Enable Trans Holding Reg Empty Inter */ -#define ELSI 0x04 /* Enable Recv Line Status Interrupt */ -#define EDSSI 0x08 /* Enable Modem Status Interrupt */ - -#define IIR (volatile unsigned char * const)(2+UART_BASE_ADDRESS) - /* Interrupt Ident Register (read only) */ -#define NIP 0x01 /* No Interrupt Pending */ -#define IID_MASK 0x0e /* Interrupt ID mask */ -#define FE_MASK 0xc0 /* FIFO's Enabled */ - -#define FCR (volatile unsigned char * const)(2+UART_BASE_ADDRESS) - /* FIFO Control Register (write only) */ -#define FIFO_E 0x01 /* FIFO Enable */ -#define RFR 0x02 /* RCVR FIFO Reset */ -#define XFR 0x04 /* XMIT FIFO Reset */ -#define DMAMS 0x08 /* DMA Mode Select */ -#define RCVRTG_MASK 0xC0 /* RCVR Triger MSBit/LSBit */ - -#define LCR (volatile unsigned char * const)(3+UART_BASE_ADDRESS) - /* Line Control Register */ -#define WLS_MASK 0x03 /* Word Legth Select Mask */ -#define WL_5 0x00 /* 5 bits */ -#define WL_6 0x01 /* 6 bits */ -#define WL_7 0x02 /* 7 bits */ -#define WL_8 0x03 /* 8 bits */ -#define NSB 0x04 /* Number of Stop Bits (set is 2/1.5) */ -#define PEN 0x08 /* Parity Enable */ -#define EPS 0x10 /* Even Parity Select */ -#define STP 0x20 /* Stick Parity */ -#define SETBK 0x40 /* Set Break */ -#define DLAB 0x80 /* Divisor Latch Access Bit */ - -#define MCR (volatile unsigned char * const)(4+UART_BASE_ADDRESS) - /* Modem Control Register */ -#define DTR 0x01 /* Data Terminal Ready */ -#define RTS 0x02 /* Request to Send */ -#define OUT1 0x04 /* Out 1 */ -#define OUT2 0x08 /* Out 2 */ -#define LOOP 0x10 /* Loop */ - -#define LSR (volatile unsigned char * const)(5+UART_BASE_ADDRESS) - /* Line Status Register */ -#define DR 0x01 /* Data Ready */ -#define OE 0x02 /* Overrun error */ -#define PE 0x04 /* Parity error */ -#define FE 0x08 /* Framing error */ -#define BI 0x10 /* Break Interrupt */ -#define THRE 0x20 /* Transmitter Holding Register */ -#define TEMT 0x40 /* Transmitter Empty */ -#define RCVFIE 0x80 /* Recv FIFO Error */ - -#define MDSR (volatile unsigned char * const)(6+UART_BASE_ADDRESS) - /* Modem Status Register */ -#define DCTS 0x01 /* Delta Clear to Send */ -#define DDSR 0x02 /* Delta Data Set Ready */ -#define TERI 0x04 /* Trailing Edge Ring Indicator */ -#define DDCD 0x08 /* Delta Data Carrier Detect */ -#define CTS 0x10 /* Clear to Send */ -#define DSR 0x20 /* Data Set Ready */ -#define RI 0x40 /* Ring Indicator */ -#define DCD 0x80 /* Data Carrier Detect */ - -#define SCR (volatile unsigned char * const)(7+UART_BASE_ADDRESS) - /* Scratch Register */ - /* 8-bit register */ -#endif |