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| author | Linus Torvalds <torvalds@g5.osdl.org> | 2005-10-14 17:16:35 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-10-14 17:16:35 -0700 |
| commit | 9e04099cb90dce6a34b4cbc6b4a0d4e4cc4c5680 (patch) | |
| tree | 30c96145b80941b1e59c4c32df3616cc2f33125f /include/asm-arm/arch-s3c2410/io.h | |
| parent | 757e0108473787f470294ce77bf703fedddfce7d (diff) | |
| parent | 414894938b88c1ad2e9cea6502ceccefb30605c4 (diff) | |
| download | op-kernel-dev-9e04099cb90dce6a34b4cbc6b4a0d4e4cc4c5680.zip op-kernel-dev-9e04099cb90dce6a34b4cbc6b4a0d4e4cc4c5680.tar.gz | |
Merge master.kernel.org:/home/rmk/linux-2.6-arm
Diffstat (limited to 'include/asm-arm/arch-s3c2410/io.h')
| -rw-r--r-- | include/asm-arm/arch-s3c2410/io.h | 58 |
1 files changed, 42 insertions, 16 deletions
diff --git a/include/asm-arm/arch-s3c2410/io.h b/include/asm-arm/arch-s3c2410/io.h index 418233a..4bf272e 100644 --- a/include/asm-arm/arch-s3c2410/io.h +++ b/include/asm-arm/arch-s3c2410/io.h @@ -9,7 +9,7 @@ * 06-Dec-1997 RMK Created. * 02-Sep-2003 BJD Modified for S3C2410 * 10-Mar-2005 LCVR Changed S3C2410_VA to S3C24XX_VA - * + * 13-Oct-2005 BJD Fixed problems with LDRH/STRH offset range */ #ifndef __ASM_ARM_ARCH_IO_H @@ -97,7 +97,7 @@ DECLARE_IO(int,l,"") else \ __asm__ __volatile__( \ "strb %0, [%1, #0] @ outbc" \ - : : "r" (value), "r" ((port))); \ + : : "r" (value), "r" ((port))); \ }) #define __inbc(port) \ @@ -110,35 +110,61 @@ DECLARE_IO(int,l,"") else \ __asm__ __volatile__( \ "ldrb %0, [%1, #0] @ inbc" \ - : "=r" (result) : "r" ((port))); \ + : "=r" (result) : "r" ((port))); \ result; \ }) #define __outwc(value,port) \ ({ \ unsigned long v = value; \ - if (__PORT_PCIO((port))) \ - __asm__ __volatile__( \ - "strh %0, [%1, %2] @ outwc" \ - : : "r" (v), "r" (PCIO_BASE), "Jr" ((port))); \ - else \ + if (__PORT_PCIO((port))) { \ + if ((port) < 256 && (port) > -256) \ + __asm__ __volatile__( \ + "strh %0, [%1, %2] @ outwc" \ + : : "r" (v), "r" (PCIO_BASE), "Jr" ((port))); \ + else if ((port) > 0) \ + __asm__ __volatile__( \ + "strh %0, [%1, %2] @ outwc" \ + : : "r" (v), \ + "r" (PCIO_BASE + ((port) & ~0xff)), \ + "Jr" (((port) & 0xff))); \ + else \ + __asm__ __volatile__( \ + "strh %0, [%1, #0] @ outwc" \ + : : "r" (v), \ + "r" (PCIO_BASE + (port))); \ + } else \ __asm__ __volatile__( \ "strh %0, [%1, #0] @ outwc" \ - : : "r" (v), "r" ((port))); \ + : : "r" (v), "r" ((port))); \ }) #define __inwc(port) \ ({ \ unsigned short result; \ - if (__PORT_PCIO((port))) \ - __asm__ __volatile__( \ - "ldrh %0, [%1, %2] @ inwc" \ - : "=r" (result) : "r" (PCIO_BASE), "Jr" ((port))); \ - else \ + if (__PORT_PCIO((port))) { \ + if ((port) < 256 && (port) > -256 ) \ + __asm__ __volatile__( \ + "ldrh %0, [%1, %2] @ inwc" \ + : "=r" (result) \ + : "r" (PCIO_BASE), \ + "Jr" ((port))); \ + else if ((port) > 0) \ + __asm__ __volatile__( \ + "ldrh %0, [%1, %2] @ inwc" \ + : "=r" (result) \ + : "r" (PCIO_BASE + ((port) & ~0xff)), \ + "Jr" (((port) & 0xff))); \ + else \ + __asm__ __volatile__( \ + "ldrh %0, [%1, #0] @ inwc" \ + : "=r" (result) \ + : "r" (PCIO_BASE + ((port)))); \ + } else \ __asm__ __volatile__( \ "ldrh %0, [%1, #0] @ inwc" \ - : "=r" (result) : "r" ((port))); \ - result; \ + : "=r" (result) : "r" ((port))); \ + result; \ }) #define __outlc(value,port) \ |
