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authorLinus Torvalds <torvalds@linux-foundation.org>2010-10-27 18:53:26 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-27 18:53:26 -0700
commitbdab225015fbbb45ccd8913f5d7c01b2bf67d8b2 (patch)
tree5ef62301face958977a084bf2b6c5300296a25f2 /arch/mn10300/kernel/csrc-mn10300.c
parent7c5814c7199851c5fe9395d08fc1ab3c8c1531ea (diff)
parent7c7fcf762e405eb040ee10d22d656a791f616122 (diff)
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-2.6-mn10300
* git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-2.6-mn10300: (44 commits) MN10300: Save frame pointer in thread_info struct rather than global var MN10300: Change "Matsushita" to "Panasonic". MN10300: Create a defconfig for the ASB2364 board MN10300: Update the ASB2303 defconfig MN10300: ASB2364: Add support for SMSC911X and SMC911X MN10300: ASB2364: Handle the IRQ multiplexer in the FPGA MN10300: Generic time support MN10300: Specify an ELF HWCAP flag for MN10300 Atomic Operations Unit support MN10300: Map userspace atomic op regs as a vmalloc page MN10300: And Panasonic AM34 subarch and implement SMP MN10300: Delete idle_timestamp from irq_cpustat_t MN10300: Make various interrupt priority settings configurable MN10300: Optimise do_csum() MN10300: Implement atomic ops using atomic ops unit MN10300: Make the FPU operate in non-lazy mode under SMP MN10300: SMP TLB flushing MN10300: Use the [ID]PTEL2 registers rather than [ID]PTEL for TLB control MN10300: Make the use of PIDR to mark TLB entries controllable MN10300: Rename __flush_tlb*() to local_flush_tlb*() MN10300: AM34 erratum requires MMUCTR read and write on exception entry ...
Diffstat (limited to 'arch/mn10300/kernel/csrc-mn10300.c')
-rw-r--r--arch/mn10300/kernel/csrc-mn10300.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/mn10300/kernel/csrc-mn10300.c b/arch/mn10300/kernel/csrc-mn10300.c
new file mode 100644
index 000000000000..ba2f0c4d6e01
--- /dev/null
+++ b/arch/mn10300/kernel/csrc-mn10300.c
@@ -0,0 +1,35 @@
+/* MN10300 clocksource
+ *
+ * Copyright (C) 2010 Red Hat, Inc. All Rights Reserved.
+ * Written by Mark Salter (msalter@redhat.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public Licence
+ * as published by the Free Software Foundation; either version
+ * 2 of the Licence, or (at your option) any later version.
+ */
+#include <linux/clocksource.h>
+#include <linux/init.h>
+#include <asm/timex.h>
+#include "internal.h"
+
+static cycle_t mn10300_read(struct clocksource *cs)
+{
+ return read_timestamp_counter();
+}
+
+static struct clocksource clocksource_mn10300 = {
+ .name = "TSC",
+ .rating = 200,
+ .read = mn10300_read,
+ .mask = CLOCKSOURCE_MASK(32),
+ .flags = CLOCK_SOURCE_IS_CONTINUOUS,
+};
+
+int __init init_clocksource(void)
+{
+ startup_timestamp_counter();
+ clocksource_set_clock(&clocksource_mn10300, MN10300_TSCCLK);
+ clocksource_register(&clocksource_mn10300);
+ return 0;
+}