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* Patch by Josef Baumgartner, 25 May 2004:
Add missing functions get_ticks() and get_tbclk() in lib_m68k/time.c

* Patch by Paul Ruhland, 24 May 2004:
fix SDRAM initialization for LPD7A400 board.

wdenk пре 21 година
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70f05ac34e
3 измењених фајлова са 34 додато и 7 уклоњено
  1. 6 0
      CHANGELOG
  2. 7 7
      board/lpd7a40x/memsetup.S
  3. 21 0
      lib_m68k/time.c

+ 6 - 0
CHANGELOG

@@ -2,6 +2,12 @@
 Changes since U-Boot 1.1.1:
 ======================================================================
 
+* Patch by Josef Baumgartner, 25 May 2004:
+  Add missing functions get_ticks() and get_tbclk() in lib_m68k/time.c
+
+* Patch by Paul Ruhland, 24 May 2004:
+  fix SDRAM initialization for LPD7A400 board.
+
 * Patch by Jian Zhang, 20 May 2004:
   add support for environment in NAND flash
 

+ 7 - 7
board/lpd7a40x/memsetup.S

@@ -108,15 +108,15 @@
 /*
  * The SDRAM DEVICE MODE PROGRAMMING VALUE
  */
-#define BURST_LENGTH_4		(0x010 << 10)
-#define BURST_LENGTH_8		(0x011 << 10)
-#define WBURST_LENGTH_BL	(0x01 << 19)
-#define WBURST_LENGTH_SINGLE	(0x01 << 19)
-#define CAS_2			(0x010 << 14)
-#define CAS_3			(0x011 << 14)
+#define BURST_LENGTH_4		(2 << 10)
+#define BURST_LENGTH_8		(3 << 10)
+#define WBURST_LENGTH_BL	(0 << 19)
+#define WBURST_LENGTH_SINGLE	(1 << 19)
+#define CAS_2			(2 << 14)
+#define CAS_3			(3 << 14)
 #define BAT_SEQUENTIAL		(0 << 13)
 #define BAT_INTERLEAVED		(1 << 13)
-#define OPM_NORMAL		(0x00 << 17)
+#define OPM_NORMAL		(0 << 17)
 #define SDRAM_DEVICE_MODE	(WBURST_LENGTH_BL|OPM_NORMAL|CAS_3|BAT_SEQUENTIAL|BURST_LENGTH_4)
 
 

+ 21 - 0
lib_m68k/time.c

@@ -171,3 +171,24 @@ void wait_ticks (unsigned long ticks)
 	while (get_timer (0) < ticks);
 }
 #endif
+
+
+/*
+ * This function is derived from PowerPC code (read timebase as long long).
+ * On M68K it just returns the timer value.
+ */
+unsigned long long get_ticks(void)
+{
+	return get_timer(0);
+}
+
+/*
+ * This function is derived from PowerPC code (timebase clock frequency).
+ * On M68K it returns the number of timer ticks per second.
+ */
+ulong get_tbclk (void)
+{
+	ulong tbclk;
+	tbclk = CFG_HZ;
+	return tbclk;
+}