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From: Jiaxun Yang <jiaxun.yang@flygoat.com>
To: linux-mips@vger.kernel.org
Cc: Jiaxun Yang <jiaxun.yang@flygoat.com>,
	Rob Herring <robh+dt@kernel.org>,
	Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
	Huacai Chen <chenhc@lemote.com>,
	Frank Rowand <frowand.list@gmail.com>,
	Paul Burton <paulburton@kernel.org>,
	Arnd Bergmann <arnd@arndb.de>,
	Nathan Chancellor <natechancellor@gmail.com>,
	Nick Desaulniers <ndesaulniers@google.com>,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH 3/5] MIPS: Loongson64: Enlarge IO_SPACE_LIMIT
Date: Mon, 20 Jul 2020 15:42:36 +0800	[thread overview]
Message-ID: <20200720074249.596364-4-jiaxun.yang@flygoat.com> (raw)
In-Reply-To: <20200720074249.596364-1-jiaxun.yang@flygoat.com>

It can be very big on LS7A PCH systems.

Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
---
 arch/mips/include/asm/io.h                     | 3 ++-
 arch/mips/include/asm/mach-loongson64/spaces.h | 3 +--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/mips/include/asm/io.h b/arch/mips/include/asm/io.h
index 346fffd9e972..0072489325fa 100644
--- a/arch/mips/include/asm/io.h
+++ b/arch/mips/include/asm/io.h
@@ -50,8 +50,9 @@
 # define __relaxed_ioswabq ioswabq
 
 /* ioswab[bwlq], __mem_ioswab[bwlq] are defined in mangle-port.h */
-
+#ifndef IO_SPACE_LIMIT
 #define IO_SPACE_LIMIT 0xffff
+#endif
 
 /*
  * On MIPS I/O ports are memory mapped, so we access them using normal
diff --git a/arch/mips/include/asm/mach-loongson64/spaces.h b/arch/mips/include/asm/mach-loongson64/spaces.h
index 3de0ac9d8829..b99b43854929 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 0x00ffffff
 
 #include <asm/mach-generic/spaces.h>
 #endif
-- 
2.28.0.rc1


  parent reply	other threads:[~2020-07-20  7:44 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-20  7:42 [PATCH 0/5] MIPS: Loongson64: Process ISA Node in DeviceTree Jiaxun Yang
2020-07-20  7:42 ` [PATCH 1/5] of_address: Add bus type match for pci ranges parser Jiaxun Yang
2020-07-21  0:21   ` Rob Herring
2020-07-20  7:42 ` [PATCH 2/5] MIPS: Loongson64: Process ISA Node in DeviceTree Jiaxun Yang
2020-07-20 10:01   ` Huacai Chen
2020-07-20 10:18     ` Jiaxun Yang
2020-07-20 11:44       ` Huacai Chen
2020-07-20 11:58         ` Jiaxun Yang
2020-07-21  0:27   ` Rob Herring
2020-07-20  7:42 ` Jiaxun Yang [this message]
2020-07-20 10:03   ` [PATCH 3/5] MIPS: Loongson64: Enlarge IO_SPACE_LIMIT Huacai Chen
2020-07-20 10:45   ` Arnd Bergmann
2020-07-20 12:04     ` Jiaxun Yang
2020-07-20 12:20       ` Arnd Bergmann
2020-07-20  7:42 ` [PATCH 4/5] MIPS: Loongson64: DTS: Fix ISA range for RS780E PCH Jiaxun Yang
2020-07-20  7:42 ` [PATCH 5/5] MIPS: Loongson64: Add ISA node for LS7A PCH Jiaxun Yang
2020-07-20 10:04   ` Huacai Chen

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