summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-u300/include/mach/memory.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-u300/include/mach/memory.h')
-rw-r--r--arch/arm/mach-u300/include/mach/memory.h42
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/arm/mach-u300/include/mach/memory.h b/arch/arm/mach-u300/include/mach/memory.h
new file mode 100644
index 000000000000..bf134bcc129d
--- /dev/null
+++ b/arch/arm/mach-u300/include/mach/memory.h
@@ -0,0 +1,42 @@
+/*
+ *
+ * arch/arm/mach-u300/include/mach/memory.h
+ *
+ *
+ * Copyright (C) 2007-2009 ST-Ericsson AB
+ * License terms: GNU General Public License (GPL) version 2
+ * Memory virtual/physical mapping constants.
+ * Author: Linus Walleij <linus.walleij@stericsson.com>
+ * Author: Jonas Aaberg <jonas.aberg@stericsson.com>
+ */
+
+#ifndef __MACH_MEMORY_H
+#define __MACH_MEMORY_H
+
+#ifdef CONFIG_MACH_U300_DUAL_RAM
+
+#define PHYS_OFFSET UL(0x48000000)
+#define BOOT_PARAMS_OFFSET (PHYS_OFFSET + 0x100)
+
+#else
+
+#ifdef CONFIG_MACH_U300_2MB_ALIGNMENT_FIX
+#define PHYS_OFFSET (0x28000000 + \
+ (CONFIG_MACH_U300_ACCESS_MEM_SIZE - \
+ (CONFIG_MACH_U300_ACCESS_MEM_SIZE & 1))*1024*1024)
+#else
+#define PHYS_OFFSET (0x28000000 + \
+ (CONFIG_MACH_U300_ACCESS_MEM_SIZE + \
+ (CONFIG_MACH_U300_ACCESS_MEM_SIZE & 1))*1024*1024)
+#endif
+#define BOOT_PARAMS_OFFSET (0x28000000 + \
+ (CONFIG_MACH_U300_ACCESS_MEM_SIZE + \
+ (CONFIG_MACH_U300_ACCESS_MEM_SIZE & 1))*1024*1024 + 0x100)
+#endif
+
+/*
+ * We enable a real big DMA buffer if need be.
+ */
+#define CONSISTENT_DMA_SIZE SZ_4M
+
+#endif