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authorTony Lindgren <tony@atomide.com>2006-04-02 17:46:20 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2006-04-02 17:46:20 +0100
commitb824efae120b656fef562b2e81e1ed6aa88f8d24 (patch)
tree427d55c6e13fe3b19d2387769145c01933c630d0 /arch/arm/mach-omap2/memory.h
parent3267c077e589bc146a0b45e220fcefafbf83fb80 (diff)
[ARM] 3426/1: ARM: OMAP: 1/8 Update clock framework
Patch from Tony Lindgren Update OMAP clock framework from linux-omap tree. The highlights of the patch are: - Add support for omap730 clocks by Andrzej Zaborowski - Fix compile warnings by Dirk Behme - Add support for using dev id by Tony Lindgren and Komal Shah - Move memory timings and PRCM into separate files by Tony Lindgren Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-omap2/memory.h')
-rw-r--r--arch/arm/mach-omap2/memory.h34
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/memory.h b/arch/arm/mach-omap2/memory.h
new file mode 100644
index 00000000000..d212eea83a0
--- /dev/null
+++ b/arch/arm/mach-omap2/memory.h
@@ -0,0 +1,34 @@
+/*
+ * linux/arch/arm/mach-omap2/memory.h
+ *
+ * Interface for memory timing related functions for OMAP24XX
+ *
+ * Copyright (C) 2005 Texas Instruments Inc.
+ * Richard Woodruff <r-woodruff2@ti.com>
+ *
+ * Copyright (C) 2005 Nokia Corporation
+ * Tony Lindgren <tony@atomide.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+/* Memory timings */
+#define M_DDR 1
+#define M_LOCK_CTRL (1 << 2)
+#define M_UNLOCK 0
+#define M_LOCK 1
+
+struct memory_timings {
+ u32 m_type; /* ddr = 1, sdr = 0 */
+ u32 dll_mode; /* use lock mode = 1, unlock mode = 0 */
+ u32 slow_dll_ctrl; /* unlock mode, dll value for slow speed */
+ u32 fast_dll_ctrl; /* unlock mode, dll value for fast speed */
+ u32 base_cs; /* base chip select to use for calculations */
+};
+
+extern void omap2_init_memory_params(u32 force_lock_to_unlock_mode);
+extern u32 omap2_memory_get_slow_dll_ctrl(void);
+extern u32 omap2_memory_get_fast_dll_ctrl(void);
+extern u32 omap2_memory_get_type(void);