From 7632906fc290b652416ab59eb5fb49356c064ed6 Mon Sep 17 00:00:00 2001 From: Sebastian Huber Date: Thu, 19 Apr 2018 06:35:52 +0200 Subject: bsps: Move clock drivers to bsps This patch is a part of the BSP source reorganization. Update #3285. --- c/src/lib/libbsp/m68k/mcf52235/Makefile.am | 2 +- c/src/lib/libbsp/m68k/mcf52235/clock/clock.c | 106 --------------------------- 2 files changed, 1 insertion(+), 107 deletions(-) delete mode 100644 c/src/lib/libbsp/m68k/mcf52235/clock/clock.c (limited to 'c/src/lib/libbsp/m68k/mcf52235') diff --git a/c/src/lib/libbsp/m68k/mcf52235/Makefile.am b/c/src/lib/libbsp/m68k/mcf52235/Makefile.am index 85dd4a4c60..98b8993521 100644 --- a/c/src/lib/libbsp/m68k/mcf52235/Makefile.am +++ b/c/src/lib/libbsp/m68k/mcf52235/Makefile.am @@ -29,7 +29,7 @@ librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/dev/getentropy/getentropy librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/start/sbrk.c librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/start/setvec.c # clock -librtemsbsp_a_SOURCES += clock/clock.c +librtemsbsp_a_SOURCES +=../../../../../../bsps/m68k/mcf52235/clock/clock.c # console librtemsbsp_a_SOURCES += console/console.c # debugio diff --git a/c/src/lib/libbsp/m68k/mcf52235/clock/clock.c b/c/src/lib/libbsp/m68k/mcf52235/clock/clock.c deleted file mode 100644 index f29a820d57..0000000000 --- a/c/src/lib/libbsp/m68k/mcf52235/clock/clock.c +++ /dev/null @@ -1,106 +0,0 @@ -/* - * Use the last periodic interval timer (PIT2) as the system clock. - */ - -#include -#include -#include - -/* - * Use INTC0 base - */ -#define CLOCK_VECTOR (64+56) - -static rtems_timecounter_simple mcf52235_tc; - -static uint32_t mcf52235_tc_get(rtems_timecounter_simple *tc) -{ - return MCF_PIT1_PCNTR; -} - -static bool mcf52235_tc_is_pending(rtems_timecounter_simple *tc) -{ - return (MCF_PIT1_PCSR & MCF_PIT_PCSR_PIF) != 0; -} - -static uint32_t mcf52235_tc_get_timecount(struct timecounter *tc) -{ - return rtems_timecounter_simple_downcounter_get( - tc, - mcf52235_tc_get, - mcf52235_tc_is_pending - ); -} - -static void mcf52235_tc_at_tick(rtems_timecounter_simple *tc) -{ - MCF_PIT1_PCSR |= MCF_PIT_PCSR_PIF; -} - -static void mcf52235_tc_tick(void) -{ - rtems_timecounter_simple_downcounter_tick( - &mcf52235_tc, - mcf52235_tc_get, - mcf52235_tc_at_tick - ); -} - -/* - * Attach clock interrupt handler - */ -#define Clock_driver_support_install_isr( _new ) \ - set_vector(_new, CLOCK_VECTOR, 1) - -/* - * Turn off the clock - */ -#define Clock_driver_support_shutdown_hardware() \ - do { \ - MCF_PIT1_PCSR &= ~MCF_PIT_PCSR_EN; \ - } while (0) - -/* - * Set up the clock hardware - * - * We need to have 1 interrupt every rtems_configuration_get_microseconds_per_tick() - */ -static void Clock_driver_support_initialize_hardware(void) -{ - int level; - uint32_t pmr; - uint32_t preScaleCode = 0; - uint32_t clk = bsp_get_CPU_clock_speed() >> 1; - uint32_t tps = 1000000 / rtems_configuration_get_microseconds_per_tick(); - - while (preScaleCode < 15) { - pmr = (clk >> preScaleCode) / tps; - if (pmr < (1 << 15)) - break; - preScaleCode++; - } - - MCF_INTC0_ICR56 = MCF_INTC_ICR_IL(PIT3_IRQ_LEVEL) | - MCF_INTC_ICR_IP(PIT3_IRQ_PRIORITY); - rtems_interrupt_disable(level); - MCF_INTC0_IMRH &= ~MCF_INTC_IMRH_MASK56; - MCF_PIT1_PCSR &= ~MCF_PIT_PCSR_EN; - rtems_interrupt_enable(level); - - MCF_PIT1_PCSR = MCF_PIT_PCSR_PRE(preScaleCode) | - MCF_PIT_PCSR_OVW | MCF_PIT_PCSR_PIE | MCF_PIT_PCSR_RLD; - MCF_PIT1_PMR = pmr; - MCF_PIT1_PCSR = MCF_PIT_PCSR_PRE(preScaleCode) | - MCF_PIT_PCSR_PIE | MCF_PIT_PCSR_RLD | MCF_PIT_PCSR_EN; - - rtems_timecounter_simple_install( - &mcf52235_tc, - clk >> preScaleCode, - pmr, - mcf52235_tc_get_timecount - ); -} - -#define Clock_driver_timecounter_tick() mcf52235_tc_tick() - -#include "../../../shared/clockdrv_shell.h" -- cgit v1.2.3