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authorFlorian Fainelli <florian@openwrt.org>2007-06-03 08:52:16 +0000
committerFlorian Fainelli <florian@openwrt.org>2007-06-03 08:52:16 +0000
commit12591bd0025d8dcc1267255f789fd34bd396ec04 (patch)
treeb9c7dc30477e4b23f9d65afdafc2b105c5a1dd16 /target/linux/adm5120-2.6
parent3b6b7a2d1ba44030e9b2909914d145b79ad7a1e2 (diff)
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adm5120 timing specific routines, was part of the IRQ handling rewritte
SVN-Revision: 7475
Diffstat (limited to 'target/linux/adm5120-2.6')
-rw-r--r--target/linux/adm5120-2.6/files/arch/mips/adm5120/time.c54
1 files changed, 54 insertions, 0 deletions
diff --git a/target/linux/adm5120-2.6/files/arch/mips/adm5120/time.c b/target/linux/adm5120-2.6/files/arch/mips/adm5120/time.c
new file mode 100644
index 0000000..edf261e
--- /dev/null
+++ b/target/linux/adm5120-2.6/files/arch/mips/adm5120/time.c
@@ -0,0 +1,54 @@
+/*
+ * $Id$
+ *
+ * ADM5120 specific hooks for MIPS CPU Counter/Compare timer
+ *
+ * Copyright (C) 2007 OpenWrt.org
+ * Copyright (C) 2007 Gabor Juhos <juhosg@freemail.hu>
+ *
+ * This file was based on: arch/mips/gt64120/wrppmc/time.c
+ * Original author: Mark.Zhan
+ * Copyright (C) 1996, 1997, 2004 by Ralf Baechle
+ * Copyright (C) 2006, Wind River System Inc.
+ *
+ * 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., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/timex.h>
+
+#include <asm/irq.h>
+#include <asm/cpu.h>
+#include <asm/time.h>
+
+#include <asm/mach-adm5120/adm5120_info.h>
+#include <asm/mach-adm5120/adm5120_irq.h>
+
+void __init adm5120_time_init(void)
+{
+ mips_hpt_frequency = adm5120_speed / 2;
+}
+
+void __init plat_timer_setup(struct irqaction *irq)
+{
+ clear_c0_status(ST0_BEV);
+
+ /* Install ISR for CPU Counter interrupt */
+ setup_irq(ADM5120_IRQ_COUNTER, irq);
+}