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| author | Thomas Doerfler <Thomas.Doerfler@embedded-brains.de> | 2008-05-15 15:10:38 +0000 |
|---|---|---|
| committer | Thomas Doerfler <Thomas.Doerfler@embedded-brains.de> | 2008-05-15 15:10:38 +0000 |
| commit | 42bf1b9f13d9269d9a98de4bdc1a11365865ef42 (patch) | |
| tree | b0ea837f63ea5ac5d6d04473f492d6329a3ee450 /c/src/lib/libbsp/powerpc/gen83xx/startup/bspstart.c | |
| parent | 2008-05-14 Till Straumann <strauman@slac.stanford.edu> (diff) | |
| download | rtems-42bf1b9f13d9269d9a98de4bdc1a11365865ef42.tar.bz2 | |
adapted gen83xx to new board
Diffstat (limited to 'c/src/lib/libbsp/powerpc/gen83xx/startup/bspstart.c')
| -rw-r--r-- | c/src/lib/libbsp/powerpc/gen83xx/startup/bspstart.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/c/src/lib/libbsp/powerpc/gen83xx/startup/bspstart.c b/c/src/lib/libbsp/powerpc/gen83xx/startup/bspstart.c index 28ccdf1c3d..f410794ad4 100644 --- a/c/src/lib/libbsp/powerpc/gen83xx/startup/bspstart.c +++ b/c/src/lib/libbsp/powerpc/gen83xx/startup/bspstart.c @@ -48,7 +48,7 @@ static char *BSP_heap_start, *BSP_heap_end; * Time base divisior: scaling value: * BSP_time_base_divisor = TB ticks per millisecond/BSP_bus_frequency */ -unsigned int BSP_bus_frequency = BSP_CSB_CLK_FRQ; +unsigned int BSP_bus_frequency; unsigned int BSP_time_base_divisor = 4000; /* 4 bus clicks per TB click */ /* @@ -188,9 +188,14 @@ void bsp_start(void) _write_SPRG0(PPC_BSP_HAS_FIXED_PR288); /* + * this is evaluated during runtime, so it should be ok to set it + * before we initialize the drivers + */ + BSP_bus_frequency = BSP_CLKIN_FRQ * BSP_SYSPLL_MF / BSP_SYSPLL_CKID; + /* * initialize the device driver parameters */ - bsp_clicks_per_usec = (BSP_CSB_CLK_FRQ/1000000); + bsp_clicks_per_usec = (BSP_bus_frequency/1000000); /* * Install our own set of exception vectors |