Merge master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6

* master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6: (108 commits)
  sh: Fix occasional flush_cache_4096() stack corruption.
  sh: Calculate shm alignment at runtime.
  sh: dma-mapping compile fixes.
  sh: Initial vsyscall page support.
  sh: Clean up PAGE_SIZE definition for assembly use.
  sh: Selective flush_cache_mm() flushing.
  sh: More intelligent entry_mask/way_size calculation.
  sh: Support for L2 cache on newer SH-4A CPUs.
  sh: Update kexec support for API changes.
  sh: Optimized readsl()/writesl() support.
  sh: Report movli.l/movco.l capabilities.
  sh: CPU flags in AT_HWCAP in ELF auxvt.
  sh: Add support for 4K stacks.
  sh: Enable /proc/kcore support.
  sh: stack debugging support.
  sh: select CONFIG_EMBEDDED.
  sh: machvec rework.
  sh: Solution Engine SH7343 board support.
  sh: SH7710VoIPGW board support.
  sh: Enable verbose BUG() support.
  ...

1 files changed, 45 insertions, 0 deletions

diff --git a/arch/sh/boards/renesas/r7780rp/led.c b/arch/sh/boards/renesas/r7780rp/led.c
new file mode 100644
index 000000000000..9f02766b6f53
--- /dev/null
+++ b/arch/sh/boards/renesas/r7780rp/led.c
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) Atom Create Engineering Co., Ltd.
+ *
+ * May be copied or modified under the terms of GNU General Public
+ * License.  See linux/COPYING for more information.
+ *
+ * This file contains Renesas Solutions HIGHLANDER R7780RP-1 specific LED code.
+ */
+
+#include <linux/config.h>
+#include <linux/sched.h>
+#include <asm/io.h>
+#include <asm/r7780rp/r7780rp.h>
+
+/* Cycle the LED's in the clasic Knightriger/Sun pattern */
+void heartbeat_r7780rp(void)
+{
+	static unsigned int cnt = 0, period = 0;
+	volatile unsigned short *p = (volatile unsigned short *)PA_OBLED;
+	static unsigned bit = 0, up = 1;
+	unsigned bit_pos[] = {2, 1, 0, 3, 6, 5, 4, 7};
+
+	cnt += 1;
+	if (cnt < period)
+		return;
+
+	cnt = 0;
+
+	/* Go through the points (roughly!):
+	 * f(0)=10, f(1)=16, f(2)=20, f(5)=35, f(int)->110
+	 */
+	period = 110 - ((300 << FSHIFT)/((avenrun[0]/5) + (3<<FSHIFT)));
+
+	*p = 1 << bit_pos[bit];
+	if (up)
+		if (bit == 7) {
+			bit--;
+			up = 0;
+		} else
+			bit++;
+	else if (bit == 0)
+		up = 1;
+	else
+		bit--;
+}