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Diffstat (limited to 'c/src/lib/libbsp/i386/ts_386ex/include/bsp.h')
| -rw-r--r-- | c/src/lib/libbsp/i386/ts_386ex/include/bsp.h | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/i386/ts_386ex/include/bsp.h b/c/src/lib/libbsp/i386/ts_386ex/include/bsp.h new file mode 100644 index 0000000000..f19341c853 --- /dev/null +++ b/c/src/lib/libbsp/i386/ts_386ex/include/bsp.h @@ -0,0 +1,186 @@ +/* + * This include file definitions related to an Intel i386ex board. + * + * COPYRIGHT (c) 1989-1998. + * On-Line Applications Research Corporation (OAR). + * Copyright assigned to U.S. Government, 1994. + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.OARcorp.com/rtems/license.html. + * + * $Id$ + */ + + +#ifndef __TS386_h +#define __TS386_h + +#ifdef __cplusplus +extern "C" { +#endif + +#include <rtems.h> +#include <iosupp.h> +#include <console.h> +#include <clockdrv.h> +#include <bspIo.h> +#include <irq.h> + +/* + * Network driver configuration + */ + +struct rtems_bsdnet_ifconfig; +extern int rtems_ne_driver_attach (struct rtems_bsdnet_ifconfig *config); + +extern void Wait_X_ms (unsigned); + +#define RTEMS_BSP_NETWORK_DRIVER_NAME "ne1" +#define RTEMS_BSP_NETWORK_DRIVER_ATTACH rtems_ne_driver_attach + +#define NE2000_BYTE_TRANSFERS + +/* + * Constants relating to the 8254 (or 8253) programmable interval timers. + */ + +#define TIMER_CONFIG 0xF834 +#define IO_TIMER1 0xF040 + + /* Port address of the control port and timer channels */ + +#define TIMER_CNTR0 (IO_TIMER1 + 0) /* timer 0 counter port */ +#define TIMER_CNTR1 (IO_TIMER1 + 1) /* timer 1 counter port */ +#define TIMER_CNTR2 (IO_TIMER1 + 2) /* timer 2 counter port */ +#define TIMER_MODE (IO_TIMER1 + 3) /* timer mode port */ +#define TIMER_SEL0 0x00 /* select counter 0 */ +#define TIMER_SEL1 0x40 /* select counter 1 */ +#define TIMER_SEL2 0x80 /* select counter 2 */ +#define TIMER_INTTC 0x00 /* mode 0, intr on terminal cnt */ +#define TIMER_ONESHOT 0x02 /* mode 1, one shot */ +#define TIMER_RATEGEN 0x04 /* mode 2, rate generator */ +#define TIMER_SQWAVE 0x06 /* mode 3, square wave */ +#define TIMER_SWSTROBE 0x08 /* mode 4, s/w triggered strobe */ +#define TIMER_HWSTROBE 0x0a /* mode 5, h/w triggered strobe */ +#define TIMER_LATCH 0x00 /* latch counter for reading */ +#define TIMER_LSB 0x10 /* r/w counter LSB */ +#define TIMER_MSB 0x20 /* r/w counter MSB */ +#define TIMER_16BIT 0x30 /* r/w counter 16 bits, LSB first */ +#define TIMER_BCD 0x01 /* count in BCD */ + +/* + * Define the time limits for RTEMS Test Suite test durations. + * Long test and short test duration limits are provided. These + * values are in seconds and need to be converted to ticks for the + * application. + * + */ + +#define MAX_LONG_TEST_DURATION 300 /* 5 minutes = 300 seconds */ +#define MAX_SHORT_TEST_DURATION 3 /* 3 seconds */ + +/* + * Define the interrupt mechanism for Time Test 27 + * + * NOTE: Use a software interrupt for the i386. + */ + +#define MUST_WAIT_FOR_INTERRUTPT 0 + + +#define Install_tm27_vector(handler) \ +{ \ + rtems_isr_entry dummy; \ + rtems_interrupt_catch(handler, 0x90, &dummy); \ +} +#define Cause_tm27_intr() asm volatile( "int $0x90" : : ); + +#define Clear_tm27_intr() + +#define Lower_tm27_intr() + +/* + * Simple spin delay in microsecond units for device drivers. + * This is very dependent on the clock speed of the target. + */ + +#define delay( _microseconds ) \ + { \ + rtems_unsigned32 _counter; \ + \ + _counter = (_microseconds); \ + \ + asm volatile ( "0: nop;" \ + " mov %0,%0 ;" \ + " loop 0b" : "=c" (_counter) \ + : "0" (_counter) \ + ); \ + \ + } + +/* Constants */ + +#define RAM_START 0 + +/* replaced the earlier EI kludge of 0xfffff */ + +#define RAM_END 0x200000 + +/* I/O addressing */ + +/* + *#define Is_tx_ready( _status ) ( (_status) & 0x20 ) + */ +/* dec 20. try the TE instead of TBE as the check */ + +#define Is_tx_ready( _status ) ( (_status) & 0x40 ) + + +#define Is_rx_ready( _status ) ( (_status) & 0x01 ) + +/* Structures */ + +#ifdef F386_INIT +#undef BSP_EXTERN +#define BSP_EXTERN +#else +#undef BSP_EXTERN +#define BSP_EXTERN extern +#endif + +/* + * Device Driver Table Entries + */ + +/* + * NOTE: Use the standard Console driver entry + */ + +/* + * NOTE: Use the standard Clock driver entry + */ + +/* miscellaneous stuff assumed to exist */ + +extern rtems_configuration_table BSP_Configuration; + +#define IDT_SIZE 256 +#define GDT_SIZE 3 + +extern interrupt_gate_descriptor Interrupt_descriptor_table[IDT_SIZE]; +extern segment_descriptors Global_descriptor_table [GDT_SIZE]; + +BSP_EXTERN unsigned short Idt[3]; /* Interrupt Descriptor Table Address */ +BSP_EXTERN unsigned short Gdt[3]; /* Global Descriptor Table Address */ +BSP_EXTERN unsigned int Idt_base; +BSP_EXTERN unsigned int Gdt_base; + +/* routines */ + +#ifdef __cplusplus +} +#endif + +#endif +/* end of include file */ |