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author | Joel Sherrill <joel.sherrill@OARcorp.com> | 2004-09-29 17:25:02 +0000 |
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committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 2004-09-29 17:25:02 +0000 |
commit | c774850d227c53c35d7c99ecb390e2f02113b0fb (patch) | |
tree | 5a40759b80ec1b595aa8f76c1855baaf1347921b /c/src/lib/libbsp/i960/rxgen960/clock/ckinit.c | |
parent | 2004-09-27 Greg Menke <gregory.menke@gsfc.nasa.gov> (diff) | |
download | rtems-c774850d227c53c35d7c99ecb390e2f02113b0fb.tar.bz2 |
2004-09-29 Joel Sherrill <joel@OARcorp.com>
* .cvsignore, ChangeLog, Makefile.am, acinclude.m4, configure.ac,
cvme961/.cvsignore, cvme961/ChangeLog, cvme961/Makefile.am,
cvme961/bsp_specs, cvme961/configure.ac, cvme961/times,
cvme961/clock/ckinit.c, cvme961/console/console.c,
cvme961/include/.cvsignore, cvme961/include/bsp.h,
cvme961/include/tm27.h, cvme961/shmsupp/addrconv.c,
cvme961/shmsupp/getcfg.c, cvme961/shmsupp/lock.c,
cvme961/shmsupp/mpisr.c, cvme961/start/start.S,
cvme961/startup/bspclean.c, cvme961/startup/bspstart.c,
cvme961/startup/exit.c, cvme961/startup/linkcmds,
cvme961/startup/setvec.c, cvme961/timer/timer.c,
cvme961/timer/timerisr.S, i960sim/.cvsignore, i960sim/ChangeLog,
i960sim/Makefile.am, i960sim/bsp_specs, i960sim/configure.ac,
i960sim/clock/clockdrv.c, i960sim/console/console-io.c,
i960sim/console/mon-syscalls.S, i960sim/include/.cvsignore,
i960sim/include/bsp.h, i960sim/include/tm27.h, i960sim/start/start.c,
i960sim/startup/bspstart.c, i960sim/startup/linkcmds,
rxgen960/.cvsignore, rxgen960/ChangeLog, rxgen960/Makefile.am,
rxgen960/README, rxgen960/bsp_specs, rxgen960/configure.ac,
rxgen960/clock/ckinit.c, rxgen960/console/concntl.h,
rxgen960/console/console.c, rxgen960/console/serial.c,
rxgen960/console/serial.h, rxgen960/include/.cvsignore,
rxgen960/include/bsp.h, rxgen960/include/rxgen960_config.h,
rxgen960/include/tm27.h, rxgen960/start/rxgen_romld.S,
rxgen960/startup/asmfault.S, rxgen960/startup/asmfault.h,
rxgen960/startup/asmstub.S, rxgen960/startup/asmstub.h,
rxgen960/startup/bspstart.c, rxgen960/startup/cntrltbl.c,
rxgen960/startup/cntrltbl.h, rxgen960/startup/dram.ld,
rxgen960/startup/exit.c, rxgen960/startup/fault.c,
rxgen960/startup/fault.h, rxgen960/startup/faultret.h,
rxgen960/startup/flttbl.c, rxgen960/startup/flttbl.h,
rxgen960/startup/frmstr.c, rxgen960/startup/frmstr.h,
rxgen960/startup/i960.h, rxgen960/startup/ihandler.S,
rxgen960/startup/ihandler.h, rxgen960/startup/intrtbl.c,
rxgen960/startup/intrtbl.h, rxgen960/startup/kkprintf.c,
rxgen960/startup/linkcmds, rxgen960/startup/linkcmds.real,
rxgen960/startup/main.h, rxgen960/startup/memchnl.h,
rxgen960/startup/nmi.c, rxgen960/startup/nulsystbl.c,
rxgen960/startup/pmc901_memmap.h, rxgen960/startup/prcb.c,
rxgen960/startup/prcb.h, rxgen960/startup/rom.ld,
rxgen960/startup/rom_cntrltbl.c, rxgen960/startup/rom_ibr.c,
rxgen960/startup/rom_ibr.h, rxgen960/startup/rom_prcb.c,
rxgen960/startup/rommon.h, rxgen960/startup/sctns.c,
rxgen960/startup/sctns.h, rxgen960/startup/setvec.c,
rxgen960/startup/systbl.c, rxgen960/startup/systbl.h,
rxgen960/startup/time.h, rxgen960/timer/timer.c,
rxgen960/timer/timerisr.S: Removed.
Diffstat (limited to 'c/src/lib/libbsp/i960/rxgen960/clock/ckinit.c')
-rw-r--r-- | c/src/lib/libbsp/i960/rxgen960/clock/ckinit.c | 172 |
1 files changed, 0 insertions, 172 deletions
diff --git a/c/src/lib/libbsp/i960/rxgen960/clock/ckinit.c b/c/src/lib/libbsp/i960/rxgen960/clock/ckinit.c deleted file mode 100644 index f51421af68..0000000000 --- a/c/src/lib/libbsp/i960/rxgen960/clock/ckinit.c +++ /dev/null @@ -1,172 +0,0 @@ -/* Clock_init() - * - * This routine initializes the i960RP onboard timer - * The tick frequency is 1 millisecond; assuming 33MHz core - * - * Input parameters: NONE - * - * Output parameters: NONE - * - * COPYRIGHT (c) 1989-1997. - * RAMiX Inc 1999 - * On-Line Applications Research Corporation (OAR). - * - * The license and distribution terms for this file may in - * the file LICENSE in this distribution or at - * http://www.rtems.com/license/LICENSE. - * - * $Id$ - */ - -#include <stdlib.h> - -#include <bsp.h> -#include <rtems/libio.h> - -#define CLOCK_VECTOR 0x92 - -uint32_t Clock_isrs; /* ISRs until next tick */ -uint32_t Reload_Clock_isrs; - -i960_isr_entry Old_ticker; -volatile uint32_t Clock_driver_ticks; - /* ticks since initialization */ -unsigned int clock_isr_global[16]; /* place to store global regs */ - -void Clock_exit( void ); - -/* - * These are set by clock driver during its init - */ - -rtems_device_major_number rtems_clock_major = ~0; -rtems_device_minor_number rtems_clock_minor; - -/* this is later in the file to avoid it being inlined */ -rtems_isr Clock_isr( rtems_vector_number vector ); - -void Install_clock( - rtems_isr_entry clock_isr -) -{ - volatile unsigned int *tmr0 = (unsigned int *) TMR0_ADDR; - volatile unsigned int *trr0 = (unsigned int *) TRR0_ADDR; - volatile unsigned int *tcr0 = (unsigned int *) TCR0_ADDR; - volatile unsigned int *icon = (unsigned int *) ICON_ADDR; - volatile unsigned int *imap2 = (unsigned int *) IMAP2_ADDR; - volatile unsigned int *ipnd = (unsigned int *) IPND_ADDR; - volatile unsigned int *imsk = (unsigned int *) IMSK_ADDR; - void clockHandler(); - - Clock_driver_ticks = 0; - Reload_Clock_isrs = BSP_Configuration.microseconds_per_tick / 1000; - Clock_isrs = Reload_Clock_isrs; - - #define BUS_CLOCK_1 0 - #define TMR_WRITE_CNTL 8 - #define TMR_AUTO_RELOAD 4 - #define TMR_ENABLE 2 - #define TMR_TERM_CNT_STAT 1 - - Old_ticker = set_vector( (((unsigned int) clock_isr) | 0x2), CLOCK_VECTOR, 1 ); - - /* initialize the i960RP timer 0 here */ - - /* set the timer countdown (Assume 33MHz operation) */ - *trr0 = 30 * BSP_Configuration.microseconds_per_tick ; - *tcr0 = 30 * BSP_Configuration.microseconds_per_tick ; -/* -kkprintf("Load the timers with %x\n", 30 * BSP_Configuration.microseconds_per_tick / Reload_Clock_isrs); -*/ - - *tmr0 = BUS_CLOCK_1 | TMR_AUTO_RELOAD | TMR_ENABLE; -/* Unmask the interrupts */ - *ipnd &= ~(1 << 12); - *imsk |= 1 << 12; - -} - -void Clock_exit() -{ - volatile unsigned int *tmr0 = (unsigned int *) TMR0_ADDR; - - /* shut down the timer */ - *tmr0 = *tmr0 & ~TMR_ENABLE; - - i960_mask_intr( 12 ); - /* do not restore old vector */ -} - -rtems_device_driver Clock_initialize( - rtems_device_major_number major, - rtems_device_minor_number minor, - void *pargp -) -{ - Install_clock( Clock_isr ); - - atexit( Clock_exit ); - - /* - * make major/minor avail to others such as shared memory driver - */ - - rtems_clock_major = major; - rtems_clock_minor = minor; - - return RTEMS_SUCCESSFUL; -} - -rtems_device_driver Clock_control( - rtems_device_major_number major, - rtems_device_minor_number minor, - void *pargp -) -{ - uint32_t isrlevel; - rtems_libio_ioctl_args_t *args = pargp; - - if (args == 0) - goto done; - - /* - * This is hokey, but until we get a defined interface - * to do this, it will just be this simple... - */ - - if (args->command == rtems_build_name('I', 'S', 'R', ' ')) - { - Clock_isr(CLOCK_VECTOR); - } - else if (args->command == rtems_build_name('N', 'E', 'W', ' ')) - { - rtems_interrupt_disable( isrlevel ); - (void) set_tmr_vector( args->buffer, CLOCK_VECTOR, 0 ); - rtems_interrupt_enable( isrlevel ); - } - -done: - return RTEMS_SUCCESSFUL; -} - -rtems_isr Clock_isr( - rtems_vector_number vector -) -{ - /* enable_tracing(); */ -#ifdef NOTMB - if ( Clock_isrs == 1 ) { - rtems_clock_tick(); - Clock_isrs = Reload_Clock_isrs; - } - else - { - Clock_isrs -= 1; - } -#else -*(int *)(0xfed00000) += 1; - rtems_clock_tick(); -#endif - - i960_clear_intr( 12 ); -} |