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authorMagnus Damm <damm@opensource.se>2010-02-05 11:14:49 +0000
committerPaul Mundt <lethal@linux-sh.org>2010-02-08 12:44:11 +0900
commitc793c1b0c8ea11b46caf5a532752214b27a2df42 (patch)
tree1d8cbdaaff4d6a19c8891c8c551e1d205902c9ba /arch/arm/mach-shmobile/timer.c
parent9e9622d1a064705181bea0600ea9eacd95adab7f (diff)
downloadop-kernel-dev-c793c1b0c8ea11b46caf5a532752214b27a2df42.zip
op-kernel-dev-c793c1b0c8ea11b46caf5a532752214b27a2df42.tar.gz
ARM: mach-shmobile: SH-Mobile G3 support.
This adds preliminary support for the SH-Mobile G-series. The SH-Mobile G-series is a series of ARM/SH multi-core CPUs that aside from the ARM MPU are primarily composed of existing SH IP blocks. This includes initial support for the SH7367 (SH-Mobile G3) CPU and the G3EVM reference board. Only timer, serial console, and NOR flash are supported at this point. Patches for the interrupt controller, pinmux support, clock framework and runtime pm will be submitted as feature patches on top of this. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/arm/mach-shmobile/timer.c')
-rw-r--r--arch/arm/mach-shmobile/timer.c46
1 files changed, 46 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/timer.c b/arch/arm/mach-shmobile/timer.c
new file mode 100644
index 0000000..895794b
--- /dev/null
+++ b/arch/arm/mach-shmobile/timer.c
@@ -0,0 +1,46 @@
+/*
+ * SH-Mobile Timer
+ *
+ * Copyright (C) 2010 Magnus Damm
+ * Copyright (C) 2002 - 2009 Paul Mundt
+ *
+ * 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; version 2 of the License.
+ *
+ * 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 St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+#include <linux/platform_device.h>
+#include <asm/mach/time.h>
+
+static void __init shmobile_late_time_init(void)
+{
+ /*
+ * Make sure all compiled-in early timers register themselves.
+ *
+ * Run probe() for two "earlytimer" devices, these will be the
+ * clockevents and clocksource devices respectively. In the event
+ * that only a clockevents device is available, we -ENODEV on the
+ * clocksource and the jiffies clocksource is used transparently
+ * instead. No error handling is necessary here.
+ */
+ early_platform_driver_register_all("earlytimer");
+ early_platform_driver_probe("earlytimer", 2, 0);
+}
+
+static void __init shmobile_timer_init(void)
+{
+ late_time_init = shmobile_late_time_init;
+}
+
+struct sys_timer shmobile_timer = {
+ .init = shmobile_timer_init,
+};
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