xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

ARM: footbridge: use fixed PCI i/o mapping

Browse Source 
Move footbridge PCI to fixed i/o mapping. io.h is still needed for the
!MMU case.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Russell King <linux@arm.linux.org.uk>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Rob Herring
2012-03-01 20:48:12 -06:00
parent c04dc9a6bf
commit 8ef6e6201b
5 changed files with 14 additions and 31 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
arch/arm/mach-footbridge/include/mach/io.h
View File

@@ -14,18 +14,10 @@
#ifndef __ASM_ARM_ARCH_IO_H
#define __ASM_ARM_ARCH_IO_H
#ifdef CONFIG_MMU
#define MMU_IO(a, b) (a)
#else
#define MMU_IO(a, b) (b)
#endif
#define PCIO_SIZE 0x00100000
#define PCIO_BASE MMU_IO(0xff000000, 0x7c000000)
/*
* Translation of various region addresses to virtual addresses
* Translation of various i/o addresses to host addresses for !CONFIG_MMU
*/
#define PCIO_BASE 0x7c000000
#define __io(a) ((void __iomem *)(PCIO_BASE + (a)))
#endif