m68k: add mcf5307 cpu support

[karo-tx-uboot.git] / arch / m68k / cpu / mcf530x / interrupts.c

diff --git a/arch/m68k/cpu/mcf530x/interrupts.c b/arch/m68k/cpu/mcf530x/interrupts.c
new file mode 100644 (file)
index 0000000..bf4038d
--- /dev/null
+++ b/arch/m68k/cpu/mcf530x/interrupts.c
@@ -0,0 +1,29 @@
+/*
+ * (C) Copyright 2014  Angelo Dureghello <angelo@sysam.it>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ *
+ */
+
+#include <common.h>
+#include <asm/immap.h>
+#include <asm/io.h>
+
+#ifdef CONFIG_M5307
+int interrupt_init(void)
+{
+       enable_interrupts();
+
+       return 0;
+}
+
+void dtimer_intr_setup(void)
+{
+       intctrl_t *icr = (intctrl_t *)(MMAP_INTC);
+
+       /* clearing TIMER2 mask, so enabling the related interrupt */
+       out_be32(&icr->imr, in_be32(&icr->imr) & ~0x00000400);
+       /* set TIMER2 interrupt priority */
+       out_8(&icr->icr2, CONFIG_SYS_TMRINTR_PRI);
+}
+#endif