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authorwdenk <wdenk>2004-10-28 00:09:35 +0000
committerwdenk <wdenk>2004-10-28 00:09:35 +0000
commit983fda8391fa0ccfd4e0fd0bfb5a5e662e07b222 (patch)
treeb39fd35e9f0bf906338bfce8f83eb7c8ff850428 /cpu/mpc8220/interrupts.c
parente3c9b9f9287a17c2a20d9b1b77747bd209e8408b (diff)
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Patch by TsiChung Liew, 23 Sep 2004:
- add support for MPC8220 CPU - Add support for Alaska and Yukon boards
Diffstat (limited to 'cpu/mpc8220/interrupts.c')
-rw-r--r--cpu/mpc8220/interrupts.c80
1 files changed, 80 insertions, 0 deletions
diff --git a/cpu/mpc8220/interrupts.c b/cpu/mpc8220/interrupts.c
new file mode 100644
index 0000000..036378c
--- /dev/null
+++ b/cpu/mpc8220/interrupts.c
@@ -0,0 +1,80 @@
+/*
+ * (C) Copyright -2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2001
+ * Josh Huber <huber@mclx.com>, Mission Critical Linux, Inc.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/*
+ * interrupts.c - just enough support for the decrementer/timer
+ */
+
+#include <common.h>
+#include <asm/processor.h>
+#include <command.h>
+
+int interrupt_init_cpu (ulong * decrementer_count)
+{
+ *decrementer_count = get_tbclk () / CFG_HZ;
+
+ return (0);
+}
+
+/****************************************************************************/
+
+/*
+ * Handle external interrupts
+ */
+void external_interrupt (struct pt_regs *regs)
+{
+ puts ("external_interrupt (oops!)\n");
+}
+
+void timer_interrupt_cpu (struct pt_regs *regs)
+{
+ /* nothing to do here */
+ return;
+}
+
+/****************************************************************************/
+
+/*
+ * Install and free a interrupt handler.
+ */
+
+void irq_install_handler (int vec, interrupt_handler_t * handler, void *arg)
+{
+
+}
+
+void irq_free_handler (int vec)
+{
+
+}
+
+/****************************************************************************/
+
+void
+do_irqinfo (cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char *argv[])
+{
+ puts ("IRQ related functions are unimplemented currently.\n");
+}