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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2012-07-18 09:26:13 +0200 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2012-07-18 09:46:14 +0200 |
| commit | dafacfa74292c8593ec7d0edc057cff79ea912ec (patch) | |
| tree | 1ec288d0ce57f272d5d1087fc67014341de2887b | |
| parent | bsp/mpc55xx: Add MPC55XX_NULL_POINTER_PROTECTION (diff) | |
| download | rtems-dafacfa74292c8593ec7d0edc057cff79ea912ec.tar.bz2 | |
bsp/mpc55xx: Add MPC55XX_SYSTEM_CLOCK_DIVIDER
| -rw-r--r-- | c/src/lib/libbsp/powerpc/mpc55xxevb/configure.ac | 5 | ||||
| -rw-r--r-- | c/src/lib/libbsp/powerpc/mpc55xxevb/include/bspopts.h.in | 3 | ||||
| -rw-r--r-- | c/src/lib/libbsp/powerpc/mpc55xxevb/startup/bspstart.c | 7 |
3 files changed, 9 insertions, 6 deletions
diff --git a/c/src/lib/libbsp/powerpc/mpc55xxevb/configure.ac b/c/src/lib/libbsp/powerpc/mpc55xxevb/configure.ac index 68b90e211c..6b1926e903 100644 --- a/c/src/lib/libbsp/powerpc/mpc55xxevb/configure.ac +++ b/c/src/lib/libbsp/powerpc/mpc55xxevb/configure.ac @@ -73,6 +73,11 @@ RTEMS_BSPOPTS_SET([MPC55XX_FMPLL_MFD],[*] ,[12]) RTEMS_BSPOPTS_HELP([MPC55XX_FMPLL_MFD], [Must be defined to be the PLL multiplication factor for clock generation]) +RTEMS_BSPOPTS_SET([MPC55XX_SYSTEM_CLOCK_DIVIDER],[mpc5674f*],[2]) +RTEMS_BSPOPTS_SET([MPC55XX_SYSTEM_CLOCK_DIVIDER],[*],[1]) +RTEMS_BSPOPTS_HELP([MPC55XX_SYSTEM_CLOCK_DIVIDER], +[system clock divider]) + RTEMS_BSPOPTS_SET([MPC55XX_EMIOS_PRESCALER],[gwlcfm],[66]) RTEMS_BSPOPTS_SET([MPC55XX_EMIOS_PRESCALER],[mpc5643l*],[]) RTEMS_BSPOPTS_SET([MPC55XX_EMIOS_PRESCALER],[*] ,[1]) diff --git a/c/src/lib/libbsp/powerpc/mpc55xxevb/include/bspopts.h.in b/c/src/lib/libbsp/powerpc/mpc55xxevb/include/bspopts.h.in index 1be8513259..25f9e3ba41 100644 --- a/c/src/lib/libbsp/powerpc/mpc55xxevb/include/bspopts.h.in +++ b/c/src/lib/libbsp/powerpc/mpc55xxevb/include/bspopts.h.in @@ -83,6 +83,9 @@ generation */ #undef MPC55XX_REFERENCE_CLOCK +/* system clock divider */ +#undef MPC55XX_SYSTEM_CLOCK_DIVIDER + /* Define to the address where bug reports for this package should be sent. */ #undef PACKAGE_BUGREPORT diff --git a/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/bspstart.c b/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/bspstart.c index d511a43cd6..dc1d63239d 100644 --- a/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/bspstart.c +++ b/c/src/lib/libbsp/powerpc/mpc55xxevb/startup/bspstart.c @@ -95,11 +95,6 @@ void bsp_start(void) rtems_status_code sc = RTEMS_SUCCESSFUL; ppc_cpu_id_t myCpu; ppc_cpu_revision_t myCpuRevision; -#if defined(MPC55XX_BOARD_MPC5674FEVB) - unsigned system_clock_divider = 2; -#else - unsigned system_clock_divider = 1; -#endif null_pointer_protection(); @@ -119,7 +114,7 @@ void bsp_start(void) /* * determine clock speed */ - bsp_clock_speed = mpc55xx_get_system_clock() / system_clock_divider; + bsp_clock_speed = mpc55xx_get_system_clock() / MPC55XX_SYSTEM_CLOCK_DIVIDER; /* Time reference value */ bsp_clicks_per_usec = bsp_clock_speed / 1000000; |