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authorBryan Wu <cooloney@kernel.org>2008-08-27 06:51:02 +0400
committerBryan Wu <cooloney@kernel.org>2008-08-27 06:51:02 +0400
commit639f6571458948b5112be2cf00c0c2c04db2897d (patch)
treea4dd7af33d0e92c935ba1e904f6fb7e923ac825e /arch/blackfin/include/asm/clocks.h
parent3d9b7a5ce534f3963afcf8f4777267e5899fe007 (diff)
downloadlinux-639f6571458948b5112be2cf00c0c2c04db2897d.tar.xz
Blackfin arch: move include/asm-blackfin header files to arch/blackfin
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Diffstat (limited to 'arch/blackfin/include/asm/clocks.h')
-rw-r--r--arch/blackfin/include/asm/clocks.h70
1 files changed, 70 insertions, 0 deletions
diff --git a/arch/blackfin/include/asm/clocks.h b/arch/blackfin/include/asm/clocks.h
new file mode 100644
index 000000000000..033bba92d61c
--- /dev/null
+++ b/arch/blackfin/include/asm/clocks.h
@@ -0,0 +1,70 @@
+/*
+ * File: include/asm-blackfin/mach-common/clocks.h
+ * Based on: include/asm-blackfin/mach-bf537/bf537.h
+ * Author: Robin Getz <rgetz@blackfin.uclinux.org>
+ *
+ * Created: 25Jul07
+ * Description: Common Clock definitions for various kernel files
+ *
+ * Modified:
+ * Copyright 2004-2007 Analog Devices Inc.
+ *
+ * Bugs: Enter bugs at http://blackfin.uclinux.org/
+ *
+ * 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, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef _BFIN_CLOCKS_H
+#define _BFIN_CLOCKS_H
+
+#ifdef CONFIG_CCLK_DIV_1
+# define CONFIG_CCLK_ACT_DIV CCLK_DIV1
+# define CONFIG_CCLK_DIV 1
+#endif
+
+#ifdef CONFIG_CCLK_DIV_2
+# define CONFIG_CCLK_ACT_DIV CCLK_DIV2
+# define CONFIG_CCLK_DIV 2
+#endif
+
+#ifdef CONFIG_CCLK_DIV_4
+# define CONFIG_CCLK_ACT_DIV CCLK_DIV4
+# define CONFIG_CCLK_DIV 4
+#endif
+
+#ifdef CONFIG_CCLK_DIV_8
+# define CONFIG_CCLK_ACT_DIV CCLK_DIV8
+# define CONFIG_CCLK_DIV 8
+#endif
+
+#ifndef CONFIG_PLL_BYPASS
+# ifndef CONFIG_CLKIN_HALF
+# define CONFIG_VCO_HZ (CONFIG_CLKIN_HZ * CONFIG_VCO_MULT)
+# else
+# define CONFIG_VCO_HZ ((CONFIG_CLKIN_HZ * CONFIG_VCO_MULT)/2)
+# endif
+
+# define CONFIG_CCLK_HZ (CONFIG_VCO_HZ/CONFIG_CCLK_DIV)
+# define CONFIG_SCLK_HZ (CONFIG_VCO_HZ/CONFIG_SCLK_DIV)
+
+#else
+# define CONFIG_VCO_HZ (CONFIG_CLKIN_HZ)
+# define CONFIG_CCLK_HZ (CONFIG_CLKIN_HZ)
+# define CONFIG_SCLK_HZ (CONFIG_CLKIN_HZ)
+# define CONFIG_VCO_MULT 0
+#endif
+
+#endif