GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

source/bootloader/u-boot-2020.01/arch/m68k/cpu/mcf530x/interrupts.c

@@ -0,0 +1,29 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2014  Angelo Dureghello <angelo@sysam.it>
+ *
+ */
+
+#include <common.h>
+#include <irq_func.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