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Diffstat (limited to '')
| -rw-r--r-- | c/src/lib/libbsp/sh/gensh4/include/bsp.h | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/sh/gensh4/include/bsp.h b/c/src/lib/libbsp/sh/gensh4/include/bsp.h new file mode 100644 index 0000000000..25da9274c4 --- /dev/null +++ b/c/src/lib/libbsp/sh/gensh4/include/bsp.h @@ -0,0 +1,174 @@ +/* + * This include file contains all board IO definitions. + * + * generic sh4 BSP + * + * Copyright (C) 2001 OKTET Ltd., St.-Petersburg, Russia + * Author: Victor V. Vengerov <vvv@oktet.ru> + * + * Based on work: + * Author: Ralf Corsepius (corsepiu@faw.uni-ulm.de) + * + * COPYRIGHT (c) 1997-1998, FAW Ulm, Germany + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + * + * + * COPYRIGHT (c) 1998-2001. + * 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. + * + * Minor adaptations for sh2 by: + * John M. Mills (jmills@tga.com) + * TGA Technologies, Inc. + * 100 Pinnacle Way, Suite 140 + * Norcross, GA 30071 U.S.A. + * + * This modified file may be copied and distributed in accordance + * the above-referenced license. It is provided for critique and + * developmental purposes without any warranty nor representation + * by the authors or by TGA Technologies. + * + * $Id$ + */ + +#ifndef __gensh4_h +#define __gensh4_h + +#ifdef __cplusplus +extern "C" { +#endif + +#include <rtems.h> +#include <clockdrv.h> +#include <console.h> +#include "rtems/score/sh7750_regs.h" + +/* + * confdefs.h overrides for this BSP: + * - number of 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 (4 * 1024) + +/* + * 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 */ + +/* + * Stuff for Time Test 27 + */ + +#define MUST_WAIT_FOR_INTERRUPT 1 + +#ifndef SH7750_EVT_WDT_ITI +# error "..." +#endif + +#define Install_tm27_vector( handler ) \ +{ \ + rtems_isr_entry old_handler; \ + rtems_status_code status; \ + status = rtems_interrupt_catch( (handler), \ + SH7750_EVT_TO_NUM(SH7750_EVT_WDT_ITI), &old_handler); \ + if (status != RTEMS_SUCCESSFUL) \ + printf("Status of rtems_interrupt_catch = %d", status); \ +} + +#define Cause_tm27_intr() \ +{ \ + *(volatile rtems_unsigned16 *)SH7750_IPRB |= 0xf000; \ + *(volatile rtems_unsigned16 *)SH7750_WTCSR = SH7750_WTCSR_KEY; \ + *(volatile rtems_unsigned16 *)SH7750_WTCNT = SH7750_WTCNT_KEY | 0xfe; \ + *(volatile rtems_unsigned16 *)SH7750_WTCSR = \ + SH7750_WTCSR_KEY | SH7750_WTCSR_TME; \ +} + +#define Clear_tm27_intr() \ +{ \ + *(volatile rtems_unsigned16 *)SH7750_WTCSR = SH7750_WTCSR_KEY; \ +} + +#define Lower_tm27_intr() \ +{ \ + sh_set_interrupt_level((SH7750_IPRB & 0xf000) << SH4_SR_IMASK_S); \ +} + +/* Constants */ + +/* + * Simple spin delay in microsecond units for device drivers. + * This is very dependent on the clock speed of the target. + */ + +#define delay( microseconds ) CPU_delay(microseconds) +#define sh_delay( microseconds ) CPU_delay( microseconds ) + + +/* + * Defined in the linker script 'linkcmds' + */ + +extern unsigned32 HeapStart ; +extern unsigned32 HeapEnd ; +extern unsigned32 WorkSpaceStart ; +extern unsigned32 WorkSpaceEnd ; + +extern void *CPU_Interrupt_stack_low ; +extern void *CPU_Interrupt_stack_high ; + +/* + * This variable is nesessary for console driver. + */ +extern rtems_unsigned32 SH4_CPU_HZ_Frequency; + +/* + * Defined in start.S + */ +extern unsigned32 boot_mode; +#define SH4_BOOT_MODE_FLASH 0 +#define SH4_BOOT_MODE_IPL 1 + +/* miscellaneous stuff assumed to exist */ + +extern rtems_configuration_table BSP_Configuration; + +extern void bsp_cleanup( void ); + + +/* + * Device Driver Table Entries + */ + +/* + * We redefine CONSOLE_DRIVER_TABLE_ENTRY to redirect /dev/console + */ +#undef CONSOLE_DRIVER_TABLE_ENTRY +#define CONSOLE_DRIVER_TABLE_ENTRY \ + { console_initialize, console_open, console_close, \ + console_read, console_write, console_control } + +/* + * NOTE: Use the standard Clock driver entry + */ + +#ifdef __cplusplus +} +#endif + +#endif +/* end of include file */ |