Commit 21a379a8 authored by Jiaxun Yang's avatar Jiaxun Yang Committed by Thomas Bogendoerfer
Browse files

MIPS: Loongson64: Enlarge IO_SPACE_LIMIT 



It can be very big on LS7A PCH systems.

Signed-off-by: default avatarJiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: default avatarThomas Bogendoerfer <tsbogend@alpha.franken.de>
parent 6d0068ad

arch/mips/include/asm/io.h

+0 −2
Original line number Diff line number Diff line
@@ -51,8 +51,6 @@ 


/* ioswab[bwlq], __mem_ioswab[bwlq] are defined in mangle-port.h */



#define IO_SPACE_LIMIT 0xffff



/*

 * On MIPS I/O ports are memory mapped, so we access them using normal

 * load/store instructions. mips_io_port_base is the virtual address to

arch/mips/include/asm/mach-generic/spaces.h

+4 −0
Original line number Diff line number Diff line
@@ -14,6 +14,10 @@ 


#include <asm/mipsregs.h>



#ifndef IO_SPACE_LIMIT

#define IO_SPACE_LIMIT 0xffff

#endif



/*

 * This gives the physical RAM offset.

 */

arch/mips/include/asm/mach-loongson64/spaces.h

+1 −2
Original line number Diff line number Diff line
@@ -11,8 +11,7 @@ 
#define PCI_IOSIZE	SZ_16M

#define MAP_BASE	(PCI_IOBASE + PCI_IOSIZE)



/* Reserved at the start of PCI_IOBASE for legacy drivers */

#define MMIO_LOWER_RESERVED	0x10000

#define IO_SPACE_LIMIT  (PCI_IOSIZE - 1)



#include <asm/mach-generic/spaces.h>

#endif

CRA Git | Maintained and supported by SUSTech CRA and CCSE