bsps: Move clock drivers to bsps

This patch is a part of the BSP source reorganization.

Update #3285.

1 files changed, 72 insertions, 0 deletions

diff --git a/bsps/arm/edb7312/clock/clockdrv.c b/bsps/arm/edb7312/clock/clockdrv.c
new file mode 100644
index 0000000000..26839f35ca
--- /dev/null
+++ b/bsps/arm/edb7312/clock/clockdrv.c
@@ -0,0 +1,72 @@
+/*
+ * Cirrus EP7312 Clock driver
+ *
+ * Copyright (c) 2002 by Jay Monkman <jtm@smoothsmoothie.com>
+ *
+ *  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 <rtems.h>
+#include <ep7312.h>
+#include <bsp.h>
+#include <bsp/irq.h>
+#include <assert.h>
+
+#if ON_SKYEYE==1
+  #define CLOCK_DRIVER_USE_FAST_IDLE 1
+#endif
+
+void Clock_isr(void * arg);
+
+#define Clock_driver_support_at_tick()                \
+  do {                                                \
+    *EP7312_TC1EOI = 0xffffffff;                      \
+  } while(0)
+
+#define Clock_driver_support_install_isr( _new )       \
+  do {                                                 \
+    rtems_status_code status = RTEMS_SUCCESSFUL;       \
+    status = rtems_interrupt_handler_install(          \
+        BSP_TC1OI,                                     \
+        "Clock",                                       \
+        RTEMS_INTERRUPT_UNIQUE,                        \
+        Clock_isr,                                     \
+        NULL                                           \
+    );                                                 \
+    assert(status == RTEMS_SUCCESSFUL);                \
+  } while(0)
+
+/*
+ * Set up the clock hardware
+ */
+#if ON_SKYEYE
+  #define TCD_VALUE \
+    (rtems_configuration_get_microseconds_per_tick() * 2000)/25000
+#else
+  #define TCD_VALUE \
+    (rtems_configuration_get_microseconds_per_tick() * 2000)/1000000
+#endif
+
+#define Clock_driver_support_initialize_hardware()  \
+  do {                                              \
+    *EP7312_SYSCON1 |= EP7312_SYSCON1_TC1_PRESCALE; \
+    *EP7312_TC1D = TCD_VALUE;                       \
+    *EP7312_TC1EOI = 0xFFFFFFFF;                    \
+  } while (0)
+
+#define Clock_driver_support_shutdown_hardware()    \
+  do {                                              \
+    rtems_status_code status = RTEMS_SUCCESSFUL;    \
+    status = rtems_interrupt_handler_remove(        \
+        BSP_TC1OI,                                  \
+        Clock_isr,                                  \
+        NULL                                        \
+    );                                              \
+    assert(status == RTEMS_SUCCESSFUL);             \
+  } while (0)
+
+#define CLOCK_DRIVER_USE_DUMMY_TIMECOUNTER
+
+#include "../../../shared/dev/clock/clockimpl.h"