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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [lib/] [libbsp/] [i386/] [ts_386ex/] [include/] [bsp.h] - Rev 173
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/* * This include file definitions related to an Intel i386ex board. * * COPYRIGHT (c) 1989-1999. * On-Line Applications Research Corporation (OAR). * * 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: bsp.h,v 1.2 2001-09-27 11:59:50 chris Exp $ */ #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> /* * confdefs.h overrides for this BSP: * - termios serial ports (defaults to 1) * - Interrupt stack space is not minimum if defined. */ /* #define CONFIGURE_NUMBER_OF_TERMIOS_PORTS 2 */ #define CONFIGURE_INTERRUPT_STACK_MEMORY (8 * 1024) /* * 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 */