diff options
Diffstat (limited to 'c/src/lib/libbsp/m68k/mcf5225x/startup/bspstart.c')
-rw-r--r-- | c/src/lib/libbsp/m68k/mcf5225x/startup/bspstart.c | 35 |
1 files changed, 0 insertions, 35 deletions
diff --git a/c/src/lib/libbsp/m68k/mcf5225x/startup/bspstart.c b/c/src/lib/libbsp/m68k/mcf5225x/startup/bspstart.c deleted file mode 100644 index d5e0f37dc8..0000000000 --- a/c/src/lib/libbsp/m68k/mcf5225x/startup/bspstart.c +++ /dev/null @@ -1,35 +0,0 @@ -/* - * This routine does the bulk of the system initialisation. - */ - -/* - * Author: - * David Fiddes, D.J@fiddes.surfaid.org - * http://www.calm.hw.ac.uk/davidf/coldfire/ - * - * 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.org/license/LICENSE. - */ - -#include <bsp.h> -#include <bsp/bootcard.h> - -void __attribute__((weak)) bsp_start(void) -{ -} - -uint32_t __attribute__((weak)) bsp_get_CPU_clock_speed(void) -{ - #define DEF_CLOCK_SPEED 8000000.0F //8.0 MHz - #define MCF_MFD0_2_MASK 0x7000U - #define MCF_RFD0_2_MASK 0x0700U - #define MCF_MFD0_2_OFFSET 4U - - #define SPEED_BIAS ((((MCF_CLOCK_SYNCR & MCF_MFD0_2_MASK) >> 11) + MCF_MFD0_2_OFFSET) / (float)(((MCF_CLOCK_SYNCR & MCF_RFD0_2_MASK)>>7) ? : 1.0F)) - - return MCF_CLOCK_SYNCR & MCF_CLOCK_SYNCR_PLLEN ? SPEED_BIAS * DEF_CLOCK_SPEED : DEF_CLOCK_SPEED; -} |