Clean up the TQM8xx_YYMHz configurations; allow to use the same

binary image for all clock frequencies. Implement run-time
optimization of flash access timing based on the actual bus
frequency.

1 files changed, 4 insertions, 42 deletions

diff --git a/include/configs/TQM862L.h b/include/configs/TQM862L.h
index 84570c1c55b..595d4a26b5a 100644
--- a/include/configs/TQM862L.h
+++ b/include/configs/TQM862L.h
@@ -252,16 +252,8 @@
  *-----------------------------------------------------------------------
  * Reset PLL lock status sticky bit, timer expired status bit and timer
  * interrupt status bit
- *
- * If this is a 80 MHz or 100 MHz CPU,
- * set PLL multiplication factor to 5 (5 * 16 = 80, 5 * 20 = 100)
  */
-#if defined(CONFIG_80MHz) || defined(CONFIG_100MHz)
-#define CFG_PLPRCR							\
-		( (5-1)<<PLPRCR_MF_SHIFT | PLPRCR_TEXPS | PLPRCR_TMIST )
-#else			/* up to 66 MHz we use a 1:1 clock */
 #define CFG_PLPRCR	(PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
-#endif	/* CONFIG_80MHz | CONFIG_100MHz */
 
 /*-----------------------------------------------------------------------
  * SCCR - System Clock and reset Control Register		15-27
@@ -270,17 +262,9 @@
  * power management and some other internal clocks
  */
 #define SCCR_MASK	SCCR_EBDF11
-#if defined(CONFIG_80MHz) || defined(CONFIG_100MHz) /* use 16/20 MHz * 5 */
-#define CFG_SCCR	(/* SCCR_TBS  | */ \
-			 SCCR_COM00   | SCCR_DFSYNC00 | SCCR_DFBRG00  | \
-			 SCCR_DFNL000 | SCCR_DFNH000  | SCCR_DFLCD000 | \
-			 SCCR_DFALCD00)
-#else			/* up to 66 MHz we use a 1:1 clock */
-#define CFG_SCCR	(SCCR_TBS     | \
-			 SCCR_COM00   | SCCR_DFSYNC00 | SCCR_DFBRG00  | \
+#define CFG_SCCR	(SCCR_COM00   | SCCR_DFSYNC00 | SCCR_DFBRG00  | \
 			 SCCR_DFNL000 | SCCR_DFNH000  | SCCR_DFLCD000 | \
 			 SCCR_DFALCD00)
-#endif	/* CONFIG_80MHz | CONFIG_100MHz */
 
 /*-----------------------------------------------------------------------
  * PCMCIA stuff
@@ -349,24 +333,8 @@
 /*
  * FLASH timing:
  */
-#if defined(CONFIG_100MHz)
-/* 100 MHz CPU - 50 MHz bus:
- * ACS = 01, TRLX = 0, CSNT = 0, SCY = 7, EHTR = 0 */
-#define CFG_OR_TIMING_FLASH	(OR_ACS_DIV4  | OR_SCY_7_CLK | OR_BI)
-#elif defined(CONFIG_80MHz)
-/* 80 MHz CPU - 40 MHz bus:
- * ACS = 00, TRLX = 0, CSNT = 1, SCY = 3, EHTR = 1 */
-#define CFG_OR_TIMING_FLASH	(OR_ACS_DIV1  | 0       | OR_CSNT_SAM | \
-				 OR_SCY_3_CLK | OR_EHTR | OR_BI)
-#elif defined(CONFIG_66MHz)
-/* 66 MHz CPU - 66 MHz bus: ACS = 00, TRLX = 1, CSNT = 1, SCY = 3, EHTR = 1 */
 #define CFG_OR_TIMING_FLASH	(OR_ACS_DIV1  | OR_TRLX | OR_CSNT_SAM | \
 				 OR_SCY_3_CLK | OR_EHTR | OR_BI)
-#else		/*   50 MHz */
-/* 50 MHz CPU - 50 MHz bus: ACS = 00, TRLX = 1, CSNT = 1, SCY = 2, EHTR = 1 */
-#define CFG_OR_TIMING_FLASH	(OR_ACS_DIV1  | OR_TRLX | OR_CSNT_SAM | \
-				 OR_SCY_2_CLK | OR_EHTR | OR_BI)
-#endif	/*CONFIG_??MHz */
 
 #define CFG_OR0_REMAP	(CFG_REMAP_OR_AM  | CFG_OR_TIMING_FLASH)
 #define CFG_OR0_PRELIM	(CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
@@ -428,15 +396,9 @@
  *  80 Mhz =>  80.000.000 / Divider = 156
  * 100 Mhz => 100.000.000 / Divider = 195
  */
-#if   defined(CONFIG_100MHz)
-#define CFG_MAMR_PTA		195
-#elif defined(CONFIG_80MHz)
-#define CFG_MAMR_PTA		156
-#elif defined(CONFIG_66MHz)
-#define CFG_MAMR_PTA		129
-#else		/*   50 MHz */
-#define CFG_MAMR_PTA		 98
-#endif	/*CONFIG_??MHz */
+
+#define CFG_PTA_PER_CLK	((4096 * 32 * 1000) / (4 * 64))
+#define CFG_MAMR_PTA	98
 
 /*
  * For 16 MBit, refresh rates could be 31.3 us