Linux-2.6.12-rc2v2.6.12-rc2

Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.

Let it rip!

1 files changed, 35 insertions, 0 deletions

diff --git a/include/asm-v850/v850e_utils.h b/include/asm-v850/v850e_utils.h
new file mode 100644
index 000000000000..52eb72822d3d
--- /dev/null
+++ b/include/asm-v850/v850e_utils.h
@@ -0,0 +1,35 @@
+/*
+ * include/asm-v850/v850e_utils.h -- Utility functions associated with
+ *      V850E CPUs
+ *
+ *  Copyright (C) 2001,03  NEC Electronics Corporation
+ *  Copyright (C) 2001,03  Miles Bader <miles@gnu.org>
+ *
+ * This file is subject to the terms and conditions of the GNU General
+ * Public License.  See the file COPYING in the main directory of this
+ * archive for more details.
+ *
+ * Written by Miles Bader <miles@gnu.org>
+ */
+
+#ifndef __V850_V850E_UTILS_H__
+#define __V850_V850E_UTILS_H__
+
+/* Calculate counter clock-divider and count values to attain the
+   desired frequency RATE from the base frequency BASE_FREQ.  The
+   counter is expected to have a clock-divider, which can divide the
+   system cpu clock by a power of two value from MIN_DIVLOG2 to
+   MAX_DIV_LOG2, and a word-size of COUNTER_SIZE bits (the counter
+   counts up and resets whenever it's equal to the compare register,
+   generating an interrupt or whatever when it does so).  The returned
+   values are: *DIVLOG2 -- log2 of the desired clock divider and *COUNT
+   -- the counter compare value to use.  Returns true if it was possible
+   to find a reasonable value, otherwise false (and the other return
+   values will be set to be as good as possible).  */
+extern int calc_counter_params (unsigned long base_freq,
+                                unsigned long rate,
+                                unsigned min_divlog2, unsigned max_divlog2,
+                                unsigned counter_size,
+                                unsigned *divlog2, unsigned *count);
+
+#endif /* __V850_V850E_UTILS_H__ */