diff options
Diffstat (limited to 'c/src/lib/libbsp/m68k/genmcf548x/clock/clock.c')
| -rw-r--r-- | c/src/lib/libbsp/m68k/genmcf548x/clock/clock.c | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/c/src/lib/libbsp/m68k/genmcf548x/clock/clock.c b/c/src/lib/libbsp/m68k/genmcf548x/clock/clock.c deleted file mode 100644 index 0b3579e3a0..0000000000 --- a/c/src/lib/libbsp/m68k/genmcf548x/clock/clock.c +++ /dev/null @@ -1,102 +0,0 @@ -/*===============================================================*\ -| Project: RTEMS generic mcf548x BSP | -+-----------------------------------------------------------------+ -| File: clock.c | -+-----------------------------------------------------------------+ -| The file contains the clock driver code of generic MCF548x BSP. | -+-----------------------------------------------------------------+ -| Copyright (c) 2007 | -| Embedded Brains GmbH | -| Obere Lagerstr. 30 | -| D-82178 Puchheim | -| Germany | -| rtems@embedded-brains.de | -+-----------------------------------------------------------------+ -| | -| Parts of the code has been derived from the "dBUG source code" | -| package Freescale is providing for M548X EVBs. The usage of | -| the modified or unmodified code and it's integration into the | -| generic mcf548x BSP has been done according to the Freescale | -| license terms. | -| | -| The Freescale license terms can be reviewed in the file | -| | -| Freescale_license.txt | -| | -+-----------------------------------------------------------------+ -| | -| The generic mcf548x BSP has been developed on the basic | -| structures and modules of the av5282 BSP. | -| | -+-----------------------------------------------------------------+ -| | -| 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. | -| | -+-----------------------------------------------------------------+ -| | -| date history ID | -| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | -| 12.11.07 1.0 ras | -| | -\*===============================================================*/ - -/* - * Use first slice timer (SLT0) as the system clock. - * - */ - -#include <rtems.h> -#include <bsp.h> -#include <bsp/irq-generic.h> -#include <mcf548x/mcf548x.h> - -/* - * Use SLT 0 - */ -#define CLOCK_IRQ MCF548X_IRQ_SLT0 - -/* - * Periodic interval timer interrupt handler - */ -#define Clock_driver_support_at_tick() \ - do { \ - MCF548X_SLT_SSR0 = MCF548X_SLT_SSR_ST; \ - } while (0) \ - -/* - * Attach clock interrupt handler - */ -#define Clock_driver_support_install_isr( _new ) \ - set_vector(_new, CLOCK_IRQ + 64, 1) - -/* - * Turn off the clock - */ -#define Clock_driver_support_shutdown_hardware() \ - do { \ - MCF548X_SLT_SCR0 &= ~(MCF548X_SLT_SCR_TEN | MCF548X_SLT_SCR_RUN | MCF548X_SLT_SCR_IEN); \ - } while(0) - -/* - * Set up the clock hardware - * - * We need to have 1 interrupt every 10,000 microseconds - * XLB clock 100 MHz / MCF548X_SLT_SLTCNT0 = XLB clock/100 - */ -#define Clock_driver_support_initialize_hardware() \ - do { \ - bsp_interrupt_vector_enable(CLOCK_IRQ); \ - MCF548X_SLT_SLTCNT0 = get_CPU_clock_speed() \ - / 1000 \ - * rtems_configuration_get_microseconds_per_tick() \ - / 1000; \ - MCF548X_SLT_SCR0 |= (MCF548X_SLT_SCR_TEN | MCF548X_SLT_SCR_RUN | MCF548X_SLT_SCR_IEN); \ - } while (0) - -#define CLOCK_DRIVER_USE_DUMMY_TIMECOUNTER - -#include "../../../shared/clockdrv_shell.h" - |