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authorSebastian Huber <sebastian.huber@embedded-brains.de>2018-04-19 06:35:52 +0200
committerSebastian Huber <sebastian.huber@embedded-brains.de>2018-04-20 09:57:01 +0200
commit7632906fc290b652416ab59eb5fb49356c064ed6 (patch)
treeac036b1f95637e044e10138ceea8d2b56d80ec97 /c/src/lib/libbsp/m68k/mcf52235
parentbsps: Move bspsmpgetcurrentprocessor.c to bsps (diff)
downloadrtems-7632906fc290b652416ab59eb5fb49356c064ed6.tar.bz2
bsps: Move clock drivers to bsps
This patch is a part of the BSP source reorganization. Update #3285.
Diffstat (limited to 'c/src/lib/libbsp/m68k/mcf52235')
-rw-r--r--c/src/lib/libbsp/m68k/mcf52235/Makefile.am2
-rw-r--r--c/src/lib/libbsp/m68k/mcf52235/clock/clock.c106
2 files changed, 1 insertions, 107 deletions
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 <rtems.h>
-#include <rtems/timecounter.h>
-#include <bsp.h>
-
-/*
- * 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"