4.104.114.84.95
Last change
on this file since 1612af0 was
1612af0,
checked in by Joel Sherrill <joel.sherrill@…>, on 06/17/05 at 14:06:05
|
2005-06-17 Mike Bertosh <mbertosh@…>
- .cvsignore, ChangeLog?, Makefile.am, README, bsp_specs, configure.ac,
clock/clock.c, console/console.c, include/bsp.h, include/coverhd.h,
include/tm27.h, network/network.c, start/start.S, startup/bspclean.c,
startup/bspstart.c, startup/init5235.c, startup/linkcmds,
startup/linkcmdsflash, startup/linkcmdsram, timer/timer.c: New files.
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-
Property mode set to
100644
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File size:
762 bytes
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Line | |
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1 | /* |
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2 | * Timer Init |
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3 | * |
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4 | * Use the last DMA timer (DTIM3) as the diagnostic timer. |
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5 | */ |
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6 | |
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7 | #include <rtems.h> |
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8 | #include <bsp.h> |
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9 | |
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10 | void |
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11 | Timer_initialize(void) |
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12 | { |
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13 | int preScaleDivisor = 0x4A; |
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14 | int div = MCF5235_TIMER_DTMR_CLK_DIV1; |
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15 | MCF5235_TIMER_DTRR3 = 0x2710; |
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16 | MCF5235_TIMER3_DTMR = 0; |
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17 | MCF5235_TIMER3_DTMR = MCF5235_TIMER_DTMR_PS(preScaleDivisor) | div | |
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18 | MCF5235_TIMER_DTMR_RST; |
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19 | } |
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20 | |
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21 | /* |
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22 | * Return timer value in microsecond units |
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23 | */ |
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24 | int |
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25 | Read_timer(void) |
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26 | { |
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27 | return MCF5235_TIMER3_DTCN; |
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28 | } |
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29 | |
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30 | /* |
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31 | * Empty function call used in loops to measure basic cost of looping |
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32 | * in Timing Test Suite. |
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33 | */ |
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34 | rtems_status_code |
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35 | Empty_function(void) |
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36 | { |
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37 | return RTEMS_SUCCESSFUL; |
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38 | } |
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39 | |
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40 | void |
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41 | Set_find_average_overhead(rtems_boolean find_flag) |
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42 | { |
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43 | } |
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