diff options
| author |  Jiaxun Yang <jiaxun.yang@flygoat.com>
| 2020-07-28 23:36:57 +0800 |
|---|---|---|
| committer |  Thomas Bogendoerfer <tsbogend@alpha.franken.de>
| 2020-07-28 22:49:53 +0200 |
| commit | 21a379a8cf917e4c45a3c50d8203859ea318c450 (patch) | |
| tree | f923dae7e6f3f0cb110a5f86937290b0064fe42f /arch/mips | |
| parent | MIPS: Loongson64: Process ISA Node in DeviceTree (diff) | |
| download | linux-21a379a8cf917e4c45a3c50d8203859ea318c450.tar.gz linux-21a379a8cf917e4c45a3c50d8203859ea318c450.tar.bz2 linux-21a379a8cf917e4c45a3c50d8203859ea318c450.zip | |
MIPS: Loongson64: Enlarge IO_SPACE_LIMIT
It can be very big on LS7A PCH systems.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Diffstat (limited to 'arch/mips')
| -rw-r--r-- | arch/mips/include/asm/io.h | 2 | ||||
| -rw-r--r-- | arch/mips/include/asm/mach-generic/spaces.h | 4 | ||||
| -rw-r--r-- | arch/mips/include/asm/mach-loongson64/spaces.h | 3 |
3 files changed, 5 insertions, 4 deletions
diff --git a/arch/mips/include/asm/io.h b/arch/mips/include/asm/io.h index 3ecbe9643f60..78537aa23500 100644 --- a/arch/mips/include/asm/io.h +++ b/arch/mips/include/asm/io.h @@ -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 diff --git a/arch/mips/include/asm/mach-generic/spaces.h b/arch/mips/include/asm/mach-generic/spaces.h index ee5ebe98f6cf..c3ac06a6acd2 100644 --- a/arch/mips/include/asm/mach-generic/spaces.h +++ b/arch/mips/include/asm/mach-generic/spaces.h @@ -14,6 +14,10 @@ #include <asm/mipsregs.h> +#ifndef IO_SPACE_LIMIT +#define IO_SPACE_LIMIT 0xffff +#endif + /* * This gives the physical RAM offset. */ diff --git a/arch/mips/include/asm/mach-loongson64/spaces.h b/arch/mips/include/asm/mach-loongson64/spaces.h index 3de0ac9d8829..ce04e998a37b 100644 --- a/arch/mips/include/asm/mach-loongson64/spaces.h +++ b/arch/mips/include/asm/mach-loongson64/spaces.h @@ -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 |