Blackfin arch: Fix CCLK and SCLK checks

Fix CCLK and SCLK checks, combine all arch checks into one file
for maintance. Checkins that remove more lines than they add are always
good.

Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>

5 files changed, 68 insertions, 356 deletions

diff --git a/include/asm-blackfin/mach-bf533/bf533.h b/include/asm-blackfin/mach-bf533/bf533.h
index 41e4e83..cb210f6 100644
--- a/include/asm-blackfin/mach-bf533/bf533.h
+++ b/include/asm-blackfin/mach-bf533/bf533.h
@@ -141,97 +141,6 @@
 
 #define AMGCTLVAL	(V_AMBEN | V_AMCKEN | V_CDPRIO)
 
-#define MAX_VC	650000000
-#define MIN_VC	50000000
-
-#ifdef CONFIG_BFIN_KERNEL_CLOCK
-/********************************PLL Settings **************************************/
-#if (CONFIG_VCO_MULT < 0)
-#error "VCO Multiplier is less than 0. Please select a different value"
-#endif
-
-#if (CONFIG_VCO_MULT == 0)
-#error "VCO Multiplier should be greater than 0. Please select a different value"
-#endif
-
-#if (CONFIG_VCO_MULT > 64)
-#error "VCO Multiplier is more than 64. Please select a different value"
-#endif
-
-#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
-
-#ifndef CONFIG_PLL_BYPASS
-#define CONFIG_CCLK_HZ	(CONFIG_VCO_HZ/CONFIG_CCLK_DIV)
-#define CONFIG_SCLK_HZ	(CONFIG_VCO_HZ/CONFIG_SCLK_DIV)
-#else
-#define CONFIG_CCLK_HZ	CONFIG_CLKIN_HZ
-#define CONFIG_SCLK_HZ	CONFIG_CLKIN_HZ
-#endif
-
-#if (CONFIG_SCLK_DIV < 1)
-#error "SCLK DIV cannot be less than 1 or more than 15. Please select a proper value"
-#endif
-
-#if (CONFIG_SCLK_DIV > 15)
-#error "SCLK DIV cannot be less than 1 or more than 15. Please select a proper value"
-#endif
-
-#if (CONFIG_CCLK_DIV != 1)
-#if (CONFIG_CCLK_DIV != 2)
-#if (CONFIG_CCLK_DIV != 4)
-#if (CONFIG_CCLK_DIV != 8)
-#error "CCLK DIV can be 1,2,4 or 8 only. Please select a proper value"
-#endif
-#endif
-#endif
-#endif
-
-#if (CONFIG_VCO_HZ > MAX_VC)
-#error "VCO selected is more than maximum value. Please change the VCO multipler"
-#endif
-
-#if (CONFIG_SCLK_HZ > 133000000)
-#error "Sclk value selected is more than maximum. Please select a proper value for SCLK multiplier"
-#endif
-
-#if (CONFIG_SCLK_HZ < 27000000)
-#error "Sclk value selected is less than minimum. Please select a proper value for SCLK multiplier"
-#endif
-
-#if (CONFIG_SCLK_HZ > CONFIG_CCLK_HZ)
-#if (CONFIG_SCLK_HZ != CONFIG_CLKIN_HZ)
-#if (CONFIG_CCLK_HZ != CONFIG_CLKIN_HZ)
-#error "Please select sclk less than cclk"
-#endif
-#endif
-#endif
-
-#if (CONFIG_CCLK_DIV == 1)
-#define CONFIG_CCLK_ACT_DIV   CCLK_DIV1
-#endif
-#if (CONFIG_CCLK_DIV == 2)
-#define CONFIG_CCLK_ACT_DIV   CCLK_DIV2
-#endif
-#if (CONFIG_CCLK_DIV == 4)
-#define CONFIG_CCLK_ACT_DIV   CCLK_DIV4
-#endif
-#if (CONFIG_CCLK_DIV == 8)
-#define CONFIG_CCLK_ACT_DIV   CCLK_DIV8
-#endif
-#ifndef CONFIG_CCLK_ACT_DIV
-#define CONFIG_CCLK_ACT_DIV   CONFIG_CCLK_DIV_not_defined_properly
-#endif
-
-#if ANOMALY_05000273 && (CONFIG_CCLK_DIV == 1)
-#error ANOMALY 05000273, please make sure CCLK is at least 2x SCLK
-#endif
-
-#endif				/* CONFIG_BFIN_KERNEL_CLOCK */
-
 #ifdef CONFIG_BF533
 #define CPU "BF533"
 #define CPUID 0x027a5000
diff --git a/include/asm-blackfin/mach-bf537/bf537.h b/include/asm-blackfin/mach-bf537/bf537.h
index 04b0816..603823f 100644
--- a/include/asm-blackfin/mach-bf537/bf537.h
+++ b/include/asm-blackfin/mach-bf537/bf537.h
@@ -121,97 +121,6 @@
 
 #define AMGCTLVAL	(V_AMBEN | V_AMCKEN | V_CDPRIO)
 
-#define MAX_VC	650000000
-#define MIN_VC	50000000
-
-/********************************PLL Settings **************************************/
-#ifdef CONFIG_BFIN_KERNEL_CLOCK
-#if (CONFIG_VCO_MULT < 0)
-#error "VCO Multiplier is less than 0. Please select a different value"
-#endif
-
-#if (CONFIG_VCO_MULT == 0)
-#error "VCO Multiplier should be greater than 0. Please select a different value"
-#endif
-
-#if (CONFIG_VCO_MULT > 64)
-#error "VCO Multiplier is more than 64. Please select a different value"
-#endif
-
-#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
-
-#ifndef CONFIG_PLL_BYPASS
-#define CONFIG_CCLK_HZ	(CONFIG_VCO_HZ/CONFIG_CCLK_DIV)
-#define CONFIG_SCLK_HZ	(CONFIG_VCO_HZ/CONFIG_SCLK_DIV)
-#else
-#define CONFIG_CCLK_HZ	CONFIG_CLKIN_HZ
-#define CONFIG_SCLK_HZ	CONFIG_CLKIN_HZ
-#endif
-
-#if (CONFIG_SCLK_DIV < 1)
-#error "SCLK DIV cannot be less than 1 or more than 15. Please select a proper value"
-#endif
-
-#if (CONFIG_SCLK_DIV > 15)
-#error "SCLK DIV cannot be less than 1 or more than 15. Please select a proper value"
-#endif
-
-#if (CONFIG_CCLK_DIV != 1)
-#if (CONFIG_CCLK_DIV != 2)
-#if (CONFIG_CCLK_DIV != 4)
-#if (CONFIG_CCLK_DIV != 8)
-#error "CCLK DIV can be 1,2,4 or 8 only. Please select a proper value"
-#endif
-#endif
-#endif
-#endif
-
-#if (CONFIG_VCO_HZ > MAX_VC)
-#error "VCO selected is more than maximum value. Please change the VCO multipler"
-#endif
-
-#if (CONFIG_SCLK_HZ > 133000000)
-#error "Sclk value selected is more than maximum. Please select a proper value for SCLK multiplier"
-#endif
-
-#if (CONFIG_SCLK_HZ < 27000000)
-#error "Sclk value selected is less than minimum. Please select a proper value for SCLK multiplier"
-#endif
-
-#if (CONFIG_SCLK_HZ >= CONFIG_CCLK_HZ)
-#if (CONFIG_SCLK_HZ != CONFIG_CLKIN_HZ)
-#if (CONFIG_CCLK_HZ != CONFIG_CLKIN_HZ)
-#error "Please select sclk less than cclk"
-#endif
-#endif
-#endif
-
-#if (CONFIG_CCLK_DIV == 1)
-#define CONFIG_CCLK_ACT_DIV   CCLK_DIV1
-#endif
-#if (CONFIG_CCLK_DIV == 2)
-#define CONFIG_CCLK_ACT_DIV   CCLK_DIV2
-#endif
-#if (CONFIG_CCLK_DIV == 4)
-#define CONFIG_CCLK_ACT_DIV   CCLK_DIV4
-#endif
-#if (CONFIG_CCLK_DIV == 8)
-#define CONFIG_CCLK_ACT_DIV   CCLK_DIV8
-#endif
-#ifndef CONFIG_CCLK_ACT_DIV
-#define CONFIG_CCLK_ACT_DIV   CONFIG_CCLK_DIV_not_defined_properly
-#endif
-
-#if ANOMALY_05000273 && (CONFIG_CCLK_DIV == 1)
-#error ANOMALY 05000273, please make sure CCLK is at least 2x SCLK
-#endif
-
-#endif				/* CONFIG_BFIN_KERNEL_CLOCK */
-
 #ifdef CONFIG_BF537
 #define CPU "BF537"
 #define CPUID 0x027c8000
diff --git a/include/asm-blackfin/mach-bf548/bf548.h b/include/asm-blackfin/mach-bf548/bf548.h
index 9498313..50306a8 100644
--- a/include/asm-blackfin/mach-bf548/bf548.h
+++ b/include/asm-blackfin/mach-bf548/bf548.h
@@ -106,93 +106,6 @@
 
 #define AMGCTLVAL	(V_AMBEN | V_AMCKEN)
 
-#define MAX_VC	650000000
-#define MIN_VC	50000000
-
-/********************************PLL Settings **************************************/
-#ifdef CONFIG_BFIN_KERNEL_CLOCK
-#if (CONFIG_VCO_MULT < 0)
-#error "VCO Multiplier is less than 0. Please select a different value"
-#endif
-
-#if (CONFIG_VCO_MULT == 0)
-#error "VCO Multiplier should be greater than 0. Please select a different value"
-#endif
-
-#if (CONFIG_VCO_MULT > 64)
-#error "VCO Multiplier is more than 64. Please select a different value"
-#endif
-
-#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
-
-#ifndef CONFIG_PLL_BYPASS
-#define CONFIG_CCLK_HZ	(CONFIG_VCO_HZ/CONFIG_CCLK_DIV)
-#define CONFIG_SCLK_HZ	(CONFIG_VCO_HZ/CONFIG_SCLK_DIV)
-#else
-#define CONFIG_CCLK_HZ	CONFIG_CLKIN_HZ
-#define CONFIG_SCLK_HZ	CONFIG_CLKIN_HZ
-#endif
-
-#if (CONFIG_SCLK_DIV < 1)
-#error "SCLK DIV cannot be less than 1 or more than 15. Please select a proper value"
-#endif
-
-#if (CONFIG_SCLK_DIV > 15)
-#error "SCLK DIV cannot be less than 1 or more than 15. Please select a proper value"
-#endif
-
-#if (CONFIG_CCLK_DIV != 1)
-#if (CONFIG_CCLK_DIV != 2)
-#if (CONFIG_CCLK_DIV != 4)
-#if (CONFIG_CCLK_DIV != 8)
-#error "CCLK DIV can be 1,2,4 or 8 only. Please select a proper value"
-#endif
-#endif
-#endif
-#endif
-
-#if (CONFIG_VCO_HZ > MAX_VC)
-#error "VCO selected is more than maximum value. Please change the VCO multipler"
-#endif
-
-#if (CONFIG_SCLK_HZ > 133000000)
-#error "Sclk value selected is more than maximum. Please select a proper value for SCLK multiplier"
-#endif
-
-#if (CONFIG_SCLK_HZ < 27000000)
-#error "Sclk value selected is less than minimum. Please select a proper value for SCLK multiplier"
-#endif
-
-#if (CONFIG_SCLK_HZ >= CONFIG_CCLK_HZ)
-#if (CONFIG_SCLK_HZ != CONFIG_CLKIN_HZ)
-#if (CONFIG_CCLK_HZ != CONFIG_CLKIN_HZ)
-#error "Please select sclk less than cclk"
-#endif
-#endif
-#endif
-
-#if (CONFIG_CCLK_DIV == 1)
-#define CONFIG_CCLK_ACT_DIV   CCLK_DIV1
-#endif
-#if (CONFIG_CCLK_DIV == 2)
-#define CONFIG_CCLK_ACT_DIV   CCLK_DIV2
-#endif
-#if (CONFIG_CCLK_DIV == 4)
-#define CONFIG_CCLK_ACT_DIV   CCLK_DIV4
-#endif
-#if (CONFIG_CCLK_DIV == 8)
-#define CONFIG_CCLK_ACT_DIV   CCLK_DIV8
-#endif
-#ifndef CONFIG_CCLK_ACT_DIV
-#define CONFIG_CCLK_ACT_DIV   CONFIG_CCLK_DIV_not_defined_properly
-#endif
-
-#endif	/* CONFIG_BFIN_KERNEL_CLOCK */
-
 #ifdef CONFIG_BF542
 #define CPU "BF542"
 #define CPUID 0x027c8000
diff --git a/include/asm-blackfin/mach-bf561/bf561.h b/include/asm-blackfin/mach-bf561/bf561.h
index 8cc2e00..53b650f 100644
--- a/include/asm-blackfin/mach-bf561/bf561.h
+++ b/include/asm-blackfin/mach-bf561/bf561.h
@@ -230,93 +230,6 @@
 
 #define AMGCTLVAL	(V_AMBEN | V_AMCKEN | V_CDPRIO | V_B0PEN | V_B1PEN | V_B2PEN | V_B3PEN | 0x0002)
 
-#define MAX_VC	600000000
-#define MIN_VC	50000000
-
-/******************************* PLL Settings ********************************/
-#ifdef CONFIG_BFIN_KERNEL_CLOCK
-#if (CONFIG_VCO_MULT < 0)
-#error "VCO Multiplier is less than 0. Please select a different value"
-#endif
-
-#if (CONFIG_VCO_MULT == 0)
-#error "VCO Multiplier should be greater than 0. Please select a different value"
-#endif
-
-#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
-
-#ifndef CONFIG_PLL_BYPASS
-#define CONFIG_CCLK_HZ	(CONFIG_VCO_HZ/CONFIG_CCLK_DIV)
-#define CONFIG_SCLK_HZ	(CONFIG_VCO_HZ/CONFIG_SCLK_DIV)
-#else
-#define CONFIG_CCLK_HZ	CONFIG_CLKIN_HZ
-#define CONFIG_SCLK_HZ	CONFIG_CLKIN_HZ
-#endif
-
-#if (CONFIG_SCLK_DIV < 1)
-#error "SCLK DIV cannot be less than 1 or more than 15. Please select a proper value"
-#endif
-
-#if (CONFIG_SCLK_DIV > 15)
-#error "SCLK DIV cannot be less than 1 or more than 15. Please select a proper value"
-#endif
-
-#if (CONFIG_CCLK_DIV != 1)
-#if (CONFIG_CCLK_DIV != 2)
-#if (CONFIG_CCLK_DIV != 4)
-#if (CONFIG_CCLK_DIV != 8)
-#error "CCLK DIV can be 1,2,4 or 8 only. Please select a proper value"
-#endif
-#endif
-#endif
-#endif
-
-#if (CONFIG_VCO_HZ > MAX_VC)
-#error "VCO selected is more than maximum value. Please change the VCO multipler"
-#endif
-
-#if (CONFIG_SCLK_HZ > 133000000)
-#error "Sclk value selected is more than maximum. Please select a proper value for SCLK multiplier"
-#endif
-
-#if (CONFIG_SCLK_HZ < 27000000)
-#error "Sclk value selected is less than minimum. Please select a proper value for SCLK multiplier"
-#endif
-
-#if (CONFIG_SCLK_HZ >= CONFIG_CCLK_HZ)
-#if (CONFIG_SCLK_HZ != CONFIG_CLKIN_HZ)
-#if (CONFIG_CCLK_HZ != CONFIG_CLKIN_HZ)
-#error "Please select sclk less than cclk"
-#endif
-#endif
-#endif
-
-#if (CONFIG_CCLK_DIV == 1)
-#define CONFIG_CCLK_ACT_DIV   CCLK_DIV1
-#endif
-#if (CONFIG_CCLK_DIV == 2)
-#define CONFIG_CCLK_ACT_DIV   CCLK_DIV2
-#endif
-#if (CONFIG_CCLK_DIV == 4)
-#define CONFIG_CCLK_ACT_DIV   CCLK_DIV4
-#endif
-#if (CONFIG_CCLK_DIV == 8)
-#define CONFIG_CCLK_ACT_DIV   CCLK_DIV8
-#endif
-#ifndef CONFIG_CCLK_ACT_DIV
-#define CONFIG_CCLK_ACT_DIV   CONFIG_CCLK_DIV_not_defined_properly
-#endif
-
-#if ANOMALY_05000273 && (CONFIG_CCLK_DIV == 1)
-#error ANOMALY 05000273, please make sure CCLK is at least 2x SCLK
-#endif
-
-#endif				/* CONFIG_BFIN_KERNEL_CLOCK */
-
 #ifdef CONFIG_BF561
 #define CPU "BF561"
 #define CPUID 0x027bb000
diff --git a/include/asm-blackfin/mach-common/clocks.h b/include/asm-blackfin/mach-common/clocks.h
new file mode 100644
index 0000000..5e8113e
--- /dev/null
+++ b/include/asm-blackfin/mach-common/clocks.h
@@ -0,0 +1,68 @@
+/*
+ * 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
+ */
+
+
+
+#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
+