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Diffstat (limited to 'c/src/lib/libbsp/powerpc/ss555/include/bsp.h')
| -rw-r--r-- | c/src/lib/libbsp/powerpc/ss555/include/bsp.h | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/powerpc/ss555/include/bsp.h b/c/src/lib/libbsp/powerpc/ss555/include/bsp.h new file mode 100644 index 0000000000..4b229cb9c8 --- /dev/null +++ b/c/src/lib/libbsp/powerpc/ss555/include/bsp.h @@ -0,0 +1,183 @@ +/* bsp.h + * + * This include file contains all board IO definitions. + * + * This file includes definitions for the Intec SS555. + * + * + * SS555 port sponsored by Defence Research and Development Canada - Suffield + * Copyright (C) 2004, Real-Time Systems Inc. (querbach@realtime.bc.ca) + * + * Derived from c/src/lib/libbsp/powerpc/mbx8xx/include/bsp.h: + * + * COPYRIGHT (c) 1989-1998. + * 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.rtems.com/license/LICENSE. + * + * $Id$ + */ + +#ifndef __SS555_h +#define __SS555_h + +#ifdef __cplusplus +extern "C" { +#endif + +#include <bspopts.h> + +#include <rtems.h> +#include <console.h> +#include <clockdrv.h> +#include <mpc5xx.h> +#include <mpc5xx/console.h> +#include <libcpu/vectors.h> +#include <bsp/irq.h> + +/* + * Clock definitions + */ + +#define BSP_CRYSTAL_HZ 4000000 /* crystal frequency, Hz */ +#define BSP_CLOCK_HZ 40000000 /* CPU clock frequency, Hz + +/* + * I/O definitions + * + * The SS555 board includes a CPLD to control on-board features and + * off-board devices. + */ +typedef struct cpld_ { + rtems_unsigned8 cs3a[32]; /* Chip select 3A */ + rtems_unsigned8 pad0[0x200000 - 0x000020]; + + rtems_unsigned8 cs3b[32]; /* Chip select 3B */ + rtems_unsigned8 pad2[0x400000 - 0x200020]; + + rtems_unsigned8 cs3c[32]; /* Chip select 3C */ + rtems_unsigned8 pad4[0x600000 - 0x400020]; + + rtems_unsigned8 cs3d[32]; /* Chip select 3D */ + rtems_unsigned8 pad6[0x800000 - 0x600020]; + + rtems_unsigned8 serial_ints; /* Enable/disable serial interrupts */ + rtems_unsigned8 serial_resets; /* Enable/disable serial resets */ + rtems_unsigned8 serial_ack; /* Acknowledge serial transfers */ + rtems_unsigned8 pad8[0xA00000 - 0x800003]; + + rtems_unsigned8 iflash_writess; /* Enable/disable internal-flash writes */ + rtems_unsigned8 nflash_writess; /* Enable/disable NAND-flash writes */ + rtems_unsigned8 padA[0xC00000 - 0xA00002]; +} cpld_t; + +extern volatile cpld_t cpld; /* defined in linkcmds */ + +/* + * 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 + * + * The following require that IRQ7 be jumpered to ground. On the SS555, + * this can be done by shorting together CN5 pin 48 and CN5 pin 50. + */ + +#define MUST_WAIT_FOR_INTERRUPT 1 + +#define Declarations_for_tm27 \ +void tm27On() \ +{ \ +} \ + \ +void tm27Off() \ +{ \ +} \ + \ +int tm27IsOn() \ +{ \ + return 1; \ +} \ + \ +rtems_irq_connect_data tm27IrqData = { \ + CPU_USIU_EXT_IRQ_7, \ + (rtems_irq_hdl)0, \ + (rtems_irq_enable)tm27On, \ + (rtems_irq_disable)tm27Off, \ + (rtems_irq_is_enabled)tm27IsOn \ +}; + +#define Install_tm27_vector( handler ) \ +{ \ + usiu.siel |= (1 << 17); \ + usiu.sipend |= (1 << 17); \ + \ + tm27IrqData.hdl = (rtems_irq_hdl)handler; \ + BSP_install_rtems_irq_handler (&tm27IrqData); \ +} + +#define Cause_tm27_intr() \ +{ \ + usiu.siel &= ~(1 << 17); \ +} + +#define Clear_tm27_intr() \ +{ \ + usiu.siel |= (1 << 17); \ + usiu.sipend |= (1 << 17); \ +} + +#define Lower_tm27_intr() \ +{ \ + ppc_cached_irq_mask |= (1 << 17); \ + usiu.simask = ppc_cached_irq_mask; \ +} + +/* miscellaneous stuff assumed to exist */ + +extern rtems_configuration_table BSP_Configuration; + +/* + * Device Driver Table Entries + */ + +/* + * NOTE: Use the standard Console driver entry + */ + +/* + * NOTE: Use the standard Clock driver entry + */ + +/* + * How many libio files we want + */ + +#define BSP_LIBIO_MAX_FDS 20 + +/* functions */ + +void bsp_cleanup( void ); + +rtems_isr_entry set_vector( /* returns old vector */ + rtems_isr_entry handler, /* isr routine */ + rtems_vector_number vector, /* vector number */ + int type /* RTEMS or RAW intr */ +); + +#ifdef __cplusplus +} +#endif + +#endif +/* end of include file */ |