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RealView: Make more vmalloc space by changing IO_ADDRESS

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Since boards like PB11MPCore have 512MB of RAM and 128MB of flash, the
virtual space is short on vmalloc memory and mapping the flash fails.
This patch changes the IO_ADDRESS so that static mappings start at
0xfc000000 and moves the PCI virtual addresses higher up. The new
VMALLOC_END is set to 0xf8000000 (512MB higher than the old value).

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Catalin Marinas
2008-11-10 14:10:14 +00:00
parent 2c0aec814d
commit 877d1f3389
3 changed files with 10 additions and 3 deletions
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arch/arm/mach-realview/include/mach/hardware.h
+8 -1
View File
@@ -25,7 +25,14 @@
#include <asm/sizes.h>
/* macro to get at IO space when running virtually */
#define IO_ADDRESS(x) (((x) & 0x0fffffff) + 0xf0000000)
/*
* Statically mapped addresses:
*
* 10xx xxxx -> fbxx xxxx
* 1exx xxxx -> fdxx xxxx
* 1fxx xxxx -> fexx xxxx
*/
#define IO_ADDRESS(x) (((x) & 0x03ffffff) + 0xfb000000)
#define __io_address(n) __io(IO_ADDRESS(n))
#endif