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-rw-r--r--include/asm-arm/arch-s3c2410/io.h58
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 418233a7ee6f..4bf272ed9add 100644
--- a/include/asm-arm/arch-s3c2410/io.h
+++ b/include/asm-arm/arch-s3c2410/io.h
@@ -9,7 +9,7 @@
9 * 06-Dec-1997 RMK Created. 9 * 06-Dec-1997 RMK Created.
10 * 02-Sep-2003 BJD Modified for S3C2410 10 * 02-Sep-2003 BJD Modified for S3C2410
11 * 10-Mar-2005 LCVR Changed S3C2410_VA to S3C24XX_VA 11 * 10-Mar-2005 LCVR Changed S3C2410_VA to S3C24XX_VA
12 * 12 * 13-Oct-2005 BJD Fixed problems with LDRH/STRH offset range
13 */ 13 */
14 14
15#ifndef __ASM_ARM_ARCH_IO_H 15#ifndef __ASM_ARM_ARCH_IO_H
@@ -97,7 +97,7 @@ DECLARE_IO(int,l,"")
97 else \ 97 else \
98 __asm__ __volatile__( \ 98 __asm__ __volatile__( \
99 "strb %0, [%1, #0] @ outbc" \ 99 "strb %0, [%1, #0] @ outbc" \
100 : : "r" (value), "r" ((port))); \ 100 : : "r" (value), "r" ((port))); \
101}) 101})
102 102
103#define __inbc(port) \ 103#define __inbc(port) \
@@ -110,35 +110,61 @@ DECLARE_IO(int,l,"")
110 else \ 110 else \
111 __asm__ __volatile__( \ 111 __asm__ __volatile__( \
112 "ldrb %0, [%1, #0] @ inbc" \ 112 "ldrb %0, [%1, #0] @ inbc" \
113 : "=r" (result) : "r" ((port))); \ 113 : "=r" (result) : "r" ((port))); \
114 result; \ 114 result; \
115}) 115})
116 116
117#define __outwc(value,port) \ 117#define __outwc(value,port) \
118({ \ 118({ \
119 unsigned long v = value; \ 119 unsigned long v = value; \
120 if (__PORT_PCIO((port))) \ 120 if (__PORT_PCIO((port))) { \
121 __asm__ __volatile__( \ 121 if ((port) < 256 && (port) > -256) \
122 "strh %0, [%1, %2] @ outwc" \ 122 __asm__ __volatile__( \
123 : : "r" (v), "r" (PCIO_BASE), "Jr" ((port))); \ 123 "strh %0, [%1, %2] @ outwc" \
124 else \ 124 : : "r" (v), "r" (PCIO_BASE), "Jr" ((port))); \
125 else if ((port) > 0) \
126 __asm__ __volatile__( \
127 "strh %0, [%1, %2] @ outwc" \
128 : : "r" (v), \
129 "r" (PCIO_BASE + ((port) & ~0xff)), \
130 "Jr" (((port) & 0xff))); \
131 else \
132 __asm__ __volatile__( \
133 "strh %0, [%1, #0] @ outwc" \
134 : : "r" (v), \
135 "r" (PCIO_BASE + (port))); \
136 } else \
125 __asm__ __volatile__( \ 137 __asm__ __volatile__( \
126 "strh %0, [%1, #0] @ outwc" \ 138 "strh %0, [%1, #0] @ outwc" \
127 : : "r" (v), "r" ((port))); \ 139 : : "r" (v), "r" ((port))); \
128}) 140})
129 141
130#define __inwc(port) \ 142#define __inwc(port) \
131({ \ 143({ \
132 unsigned short result; \ 144 unsigned short result; \
133 if (__PORT_PCIO((port))) \ 145 if (__PORT_PCIO((port))) { \
134 __asm__ __volatile__( \ 146 if ((port) < 256 && (port) > -256 ) \
135 "ldrh %0, [%1, %2] @ inwc" \ 147 __asm__ __volatile__( \
136 : "=r" (result) : "r" (PCIO_BASE), "Jr" ((port))); \ 148 "ldrh %0, [%1, %2] @ inwc" \
137 else \ 149 : "=r" (result) \
150 : "r" (PCIO_BASE), \
151 "Jr" ((port))); \
152 else if ((port) > 0) \
153 __asm__ __volatile__( \
154 "ldrh %0, [%1, %2] @ inwc" \
155 : "=r" (result) \
156 : "r" (PCIO_BASE + ((port) & ~0xff)), \
157 "Jr" (((port) & 0xff))); \
158 else \
159 __asm__ __volatile__( \
160 "ldrh %0, [%1, #0] @ inwc" \
161 : "=r" (result) \
162 : "r" (PCIO_BASE + ((port)))); \
163 } else \
138 __asm__ __volatile__( \ 164 __asm__ __volatile__( \
139 "ldrh %0, [%1, #0] @ inwc" \ 165 "ldrh %0, [%1, #0] @ inwc" \
140 : "=r" (result) : "r" ((port))); \ 166 : "=r" (result) : "r" ((port))); \
141 result; \ 167 result; \
142}) 168})
143 169
144#define __outlc(value,port) \ 170#define __outlc(value,port) \