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authorIngo Molnar <mingo@elte.hu>2009-02-04 14:54:56 +0100
committerIngo Molnar <mingo@elte.hu>2009-02-04 14:54:56 +0100
commitbb960a1e42042e82447a5bc0941b3ab6d614bac3 (patch)
treed2295a923fabb1b01b25bb015c4c2e42ee9df5ca /arch/m68k/include/asm/coldfire.h
parent858770619debfb9269add63e4ba8b7c6b5538dd1 (diff)
parent06fc732c33a7ff5e4c91bcf4a6ca86b5e335ad9a (diff)
Merge branch 'core/xen' into x86/urgent
Diffstat (limited to 'arch/m68k/include/asm/coldfire.h')
-rw-r--r--arch/m68k/include/asm/coldfire.h51
1 files changed, 51 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/coldfire.h b/arch/m68k/include/asm/coldfire.h
new file mode 100644
index 00000000000..83a9fa4e618
--- /dev/null
+++ b/arch/m68k/include/asm/coldfire.h
@@ -0,0 +1,51 @@
+/****************************************************************************/
+
+/*
+ * coldfire.h -- Motorola ColdFire CPU sepecific defines
+ *
+ * (C) Copyright 1999-2006, Greg Ungerer (gerg@snapgear.com)
+ * (C) Copyright 2000, Lineo (www.lineo.com)
+ */
+
+/****************************************************************************/
+#ifndef coldfire_h
+#define coldfire_h
+/****************************************************************************/
+
+
+/*
+ * 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.
+ */
+#define MCF_MBAR 0x10000000
+#define MCF_MBAR2 0x80000000
+#if defined(CONFIG_M520x)
+#define MCF_IPSBAR 0xFC000000
+#else
+#define MCF_IPSBAR 0x40000000
+#endif
+
+#if defined(CONFIG_M523x) || defined(CONFIG_M527x) || defined(CONFIG_M528x) || \
+ defined(CONFIG_M520x)
+#undef MCF_MBAR
+#define MCF_MBAR MCF_IPSBAR
+#elif defined(CONFIG_M532x)
+#undef MCF_MBAR
+#define MCF_MBAR 0x00000000
+#endif
+
+/****************************************************************************/
+#endif /* coldfire_h */