* Patch by Yuli Barcohen, 13 Jul 2004:

  Allow clock setting on MPC866/MPC885 series chips according to
  environment variable `cpuclk'

* Patch by Yuli Barcohen, 20 Apr 2004:
  Remove unnecessary redefine of CPM_DATAONLY_SIZE for MPC826x

3 files changed, 30 insertions, 14 deletions

diff --git a/include/configs/Adder.h b/include/configs/Adder.h
index 13e6c35cf8..f8075466c4 100644
--- a/include/configs/Adder.h
+++ b/include/configs/Adder.h
@@ -41,7 +41,14 @@
 #define FEC_ENET
 #endif /* CONFIG_FEC_ENET */
 
-#define CONFIG_8xx_OSCLK	10000000	/* 10 MHz oscillator on EXTCLK  */
+#define CONFIG_8xx_OSCLK		10000000 /* 10 MHz oscillator on EXTCLK */
+#define CONFIG_8xx_CPUCLK_DEFAULT	50000000
+#define CFG_8xx_CPUCLK_MIN		40000000
+#ifdef CONFIG_MPC852T
+#define CFG_8xx_CPUCLK_MAX		50000000
+#else
+#define CFG_8xx_CPUCLK_MAX		120000000
+#endif /* CONFIG_MPC852T */
 
 #define CONFIG_COMMANDS		(CONFIG_CMD_DFL  \
 				| CFG_CMD_DHCP   \
@@ -89,6 +96,15 @@
 
 #define CFG_MAMR		0x00802114
 
+/*
+ * 2048	SDRAM rows
+ * 1000	factor s -> ms
+ * 64	PTP (pre-divider from MPTPR) from SDRAM example configuration
+ * 4	Number of refresh cycles per period
+ * 64	Refresh cycle in ms per number of rows
+ */
+#define CFG_PTA_PER_CLK		((2048 * 64 * 1000) / (4 * 64))
+
 #define CFG_MEMTEST_START	0x00100000	/* memtest works on		*/
 #define CFG_MEMTEST_END		0x00700000	/* 1 ... 7 MB in SDRAM		*/
 
diff --git a/include/configs/NC650.h b/include/configs/NC650.h
index 1aaca14671..30d3d212e2 100644
--- a/include/configs/NC650.h
+++ b/include/configs/NC650.h
@@ -44,25 +44,25 @@
 /*
  * 10 MHz - PLL input clock
  */
-#define CFG_866_OSCCLK		10000000
+#define CFG_8xx_OSCCLK			10000000
 
 /*
  * 50 MHz - default CPU clock
  */
-#define CFG_866_CPUCLK_DEFAULT	50000000
+#define CONFIG_8xx_CPUCLK_DEFAULT	50000000
 
 /*
  * 15 MHz - CPU minimum clock
  */
-#define CFG_866_CPUCLK_MIN	15000000
+#define CFG_8xx_CPUCLK_MIN		15000000
 
 /*
  * 133 MHz - CPU maximum clock
  */
-#define CFG_866_CPUCLK_MAX	133000000
+#define CFG_8xx_CPUCLK_MAX		133000000
 
 #define CFG_MEASURE_CPUCLK
-#define CFG_8XX_XIN		CFG_866_OSCCLK
+#define CFG_8XX_XIN			CFG_8xx_OSCCLK
 
 #define CONFIG_BOOTDELAY	5	/* autoboot after 5 seconds	*/
 
@@ -307,7 +307,7 @@
  * 4    Number of refresh cycles per period
  * 64   Refresh cycle in ms per number of rows
  */
-#define CFG_866_PTA_PER_CLK	((4096 * 64 * 1000) / (4 * 64))
+#define CFG_PTA_PER_CLK		((4096 * 64 * 1000) / (4 * 64))
 
 /*
  * Memory Periodic Timer Prescaler
diff --git a/include/configs/TQM866M.h b/include/configs/TQM866M.h
index 713cc40759..2328118330 100644
--- a/include/configs/TQM866M.h
+++ b/include/configs/TQM866M.h
@@ -1,5 +1,5 @@
 /*
- * (C) Copyright 2000-2003
+ * (C) Copyright 2000-2004
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  *
  * See file CREDITS for list of people who contributed to this
@@ -36,10 +36,10 @@
 #define CONFIG_MPC866		1	/* This is a MPC866 CPU		*/
 #define CONFIG_TQM866M		1	/* ...on a TQM8xxM module	*/
 
-#define CFG_866_OSCCLK		 10000000	/*  10 MHz - PLL input clock		*/
-#define CFG_866_CPUCLK_MIN	 15000000	/*  15 MHz - CPU minimum clock		*/
-#define CFG_866_CPUCLK_MAX	133000000	/* 133 MHz - CPU maximum clock		*/
-#define CFG_866_CPUCLK_DEFAULT	 50000000	/*  50 MHz - CPU default clock		*/
+#define CONFIG_8xx_OSCLK		10000000	/*  10 MHz - PLL input clock	*/
+#define CFG_8xx_CPUCLK_MIN		15000000	/*  15 MHz - CPU minimum clock	*/
+#define CFG_8xx_CPUCLK_MAX		133000000	/* 133 MHz - CPU maximum clock	*/
+#define CONFIG_8xx_CPUCLK_DEFAULT	50000000	/*  50 MHz - CPU default clock	*/
 						/* (it will be used if there is no	*/
 						/* 'cpuclk' variable with valid value)	*/
 
@@ -404,12 +404,12 @@
  * 4	Number of refresh cycles per period
  * 64	Refresh cycle in ms per number of rows
  */
-#define CFG_866_PTA_PER_CLK	((4096 * 64 * 1000) / (4 * 64))
+#define CFG_PTA_PER_CLK	((4096 * 64 * 1000) / (4 * 64))
 
 /*
  * Memory Periodic Timer Prescaler
  * Periodic timer for refresh, start with refresh rate for 40 MHz clock
- * (CFG_866_CPUCLK_MIN / CFG_866_PTA_PER_CLK)
+ * (CFG_8xx_CPUCLK_MIN / CFG_PTA_PER_CLK)
  */
 #define CFG_MAMR_PTA		39