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Diffstat (limited to 'include/asm-m68knommu/coldfire.h')
-rw-r--r--include/asm-m68knommu/coldfire.h76
1 files changed, 17 insertions, 59 deletions
diff --git a/include/asm-m68knommu/coldfire.h b/include/asm-m68knommu/coldfire.h
index 2fabca91df8..83a9fa4e618 100644
--- a/include/asm-m68knommu/coldfire.h
+++ b/include/asm-m68knommu/coldfire.h
@@ -3,7 +3,7 @@
/*
* coldfire.h -- Motorola ColdFire CPU sepecific defines
*
- * (C) Copyright 1999-2002, Greg Ungerer (gerg@snapgear.com)
+ * (C) Copyright 1999-2006, Greg Ungerer (gerg@snapgear.com)
* (C) Copyright 2000, Lineo (www.lineo.com)
*/
@@ -14,6 +14,19 @@
/*
+ * Define master clock frequency. This is essentially done at config
+ * time now. No point enumerating dozens of possible clock options
+ * here. Also the peripheral clock (bus clock) divide ratio is set
+ * at config time too.
+ */
+#ifdef CONFIG_CLOCK_SET
+#define MCF_CLK CONFIG_CLOCK_FREQ
+#define MCF_BUSCLK (CONFIG_CLOCK_FREQ / CONFIG_CLOCK_DIV)
+#else
+#error "Don't know what your ColdFire CPU clock frequency is??"
+#endif
+
+/*
* Define the processor support peripherals base address.
* This is generally setup by the boards start up code.
*/
@@ -29,64 +42,9 @@
defined(CONFIG_M520x)
#undef MCF_MBAR
#define MCF_MBAR MCF_IPSBAR
-#endif
-
-/*
- * Define master clock frequency.
- */
-#if defined(CONFIG_CLOCK_11MHz)
-#define MCF_CLK 11289600
-#elif defined(CONFIG_CLOCK_16MHz)
-#define MCF_CLK 16000000
-#elif defined(CONFIG_CLOCK_20MHz)
-#define MCF_CLK 20000000
-#elif defined(CONFIG_CLOCK_24MHz)
-#define MCF_CLK 24000000
-#elif defined(CONFIG_CLOCK_25MHz)
-#define MCF_CLK 25000000
-#elif defined(CONFIG_CLOCK_33MHz)
-#define MCF_CLK 33000000
-#elif defined(CONFIG_CLOCK_40MHz)
-#define MCF_CLK 40000000
-#elif defined(CONFIG_CLOCK_45MHz)
-#define MCF_CLK 45000000
-#elif defined(CONFIG_CLOCK_48MHz)
-#define MCF_CLK 48000000
-#elif defined(CONFIG_CLOCK_50MHz)
-#define MCF_CLK 50000000
-#elif defined(CONFIG_CLOCK_54MHz)
-#define MCF_CLK 54000000
-#elif defined(CONFIG_CLOCK_60MHz)
-#define MCF_CLK 60000000
-#elif defined(CONFIG_CLOCK_62_5MHz)
-#define MCF_CLK 62500000
-#elif defined(CONFIG_CLOCK_64MHz)
-#define MCF_CLK 64000000
-#elif defined(CONFIG_CLOCK_66MHz)
-#define MCF_CLK 66000000
-#elif defined(CONFIG_CLOCK_70MHz)
-#define MCF_CLK 70000000
-#elif defined(CONFIG_CLOCK_100MHz)
-#define MCF_CLK 100000000
-#elif defined(CONFIG_CLOCK_140MHz)
-#define MCF_CLK 140000000
-#elif defined(CONFIG_CLOCK_150MHz)
-#define MCF_CLK 150000000
-#elif defined(CONFIG_CLOCK_166MHz)
-#define MCF_CLK 166000000
-#else
-#error "Don't know what your ColdFire CPU clock frequency is??"
-#endif
-
-/*
- * One some ColdFire family members the bus clock (used by internal
- * peripherals) is not the same as the CPU clock.
- */
-#if defined(CONFIG_M523x) || defined(CONFIG_M5249) || defined(CONFIG_M527x) || \
- defined(CONFIG_M520x)
-#define MCF_BUSCLK (MCF_CLK / 2)
-#else
-#define MCF_BUSCLK MCF_CLK
+#elif defined(CONFIG_M532x)
+#undef MCF_MBAR
+#define MCF_MBAR 0x00000000
#endif
/****************************************************************************/