aboutsummaryrefslogtreecommitdiffstats
path: root/include/asm-arm/arch-omap/io.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-arm/arch-omap/io.h')
-rw-r--r--include/asm-arm/arch-omap/io.h26
1 files changed, 3 insertions, 23 deletions
diff --git a/include/asm-arm/arch-omap/io.h b/include/asm-arm/arch-omap/io.h
index 160578e1f557..0b13557fd30b 100644
--- a/include/asm-arm/arch-omap/io.h
+++ b/include/asm-arm/arch-omap/io.h
@@ -60,6 +60,7 @@
60#define IO_SIZE 0x40000 60#define IO_SIZE 0x40000
61#define IO_VIRT (IO_PHYS - IO_OFFSET) 61#define IO_VIRT (IO_PHYS - IO_OFFSET)
62#define IO_ADDRESS(pa) ((pa) - IO_OFFSET) 62#define IO_ADDRESS(pa) ((pa) - IO_OFFSET)
63#define OMAP1_IO_ADDRESS(pa) ((pa) - IO_OFFSET)
63#define io_p2v(pa) ((pa) - IO_OFFSET) 64#define io_p2v(pa) ((pa) - IO_OFFSET)
64#define io_v2p(va) ((va) + IO_OFFSET) 65#define io_v2p(va) ((va) + IO_OFFSET)
65 66
@@ -91,6 +92,7 @@
91 92
92#define IO_OFFSET 0x90000000 93#define IO_OFFSET 0x90000000
93#define IO_ADDRESS(pa) ((pa) + IO_OFFSET) /* Works for L3 and L4 */ 94#define IO_ADDRESS(pa) ((pa) + IO_OFFSET) /* Works for L3 and L4 */
95#define OMAP2_IO_ADDRESS(pa) ((pa) + IO_OFFSET) /* Works for L3 and L4 */
94#define io_p2v(pa) ((pa) + IO_OFFSET) /* Works for L3 and L4 */ 96#define io_p2v(pa) ((pa) + IO_OFFSET) /* Works for L3 and L4 */
95#define io_v2p(va) ((va) - IO_OFFSET) /* Works for L3 and L4 */ 97#define io_v2p(va) ((va) - IO_OFFSET) /* Works for L3 and L4 */
96 98
@@ -148,6 +150,7 @@
148 150
149#define IO_OFFSET 0x90000000 151#define IO_OFFSET 0x90000000
150#define IO_ADDRESS(pa) ((pa) + IO_OFFSET)/* Works for L3 and L4 */ 152#define IO_ADDRESS(pa) ((pa) + IO_OFFSET)/* Works for L3 and L4 */
153#define OMAP2_IO_ADDRESS(pa) ((pa) + IO_OFFSET)/* Works for L3 and L4 */
151#define io_p2v(pa) ((pa) + IO_OFFSET)/* Works for L3 and L4 */ 154#define io_p2v(pa) ((pa) + IO_OFFSET)/* Works for L3 and L4 */
152#define io_v2p(va) ((va) - IO_OFFSET)/* Works for L3 and L4 */ 155#define io_v2p(va) ((va) - IO_OFFSET)/* Works for L3 and L4 */
153 156
@@ -183,35 +186,12 @@
183#define omap_writew(v,a) (*(volatile unsigned short *)IO_ADDRESS(a) = (v)) 186#define omap_writew(v,a) (*(volatile unsigned short *)IO_ADDRESS(a) = (v))
184#define omap_writel(v,a) (*(volatile unsigned int *)IO_ADDRESS(a) = (v)) 187#define omap_writel(v,a) (*(volatile unsigned int *)IO_ADDRESS(a) = (v))
185 188
186/* 16 bit uses LDRH/STRH, base +/- offset_8 */
187typedef struct { volatile u16 offset[256]; } __regbase16;
188#define __REGV16(vaddr) ((__regbase16 *)((vaddr)&~0xff)) \
189 ->offset[((vaddr)&0xff)>>1]
190#define __REG16(paddr) __REGV16(io_p2v(paddr))
191
192/* 8/32 bit uses LDR/STR, base +/- offset_12 */
193typedef struct { volatile u8 offset[4096]; } __regbase8;
194#define __REGV8(vaddr) ((__regbase8 *)((vaddr)&~4095)) \
195 ->offset[((vaddr)&4095)>>0]
196#define __REG8(paddr) __REGV8(io_p2v(paddr))
197
198typedef struct { volatile u32 offset[4096]; } __regbase32;
199#define __REGV32(vaddr) ((__regbase32 *)((vaddr)&~4095)) \
200 ->offset[((vaddr)&4095)>>2]
201#define __REG32(paddr) __REGV32(io_p2v(paddr))
202
203extern void omap1_map_common_io(void); 189extern void omap1_map_common_io(void);
204extern void omap1_init_common_hw(void); 190extern void omap1_init_common_hw(void);
205 191
206extern void omap2_map_common_io(void); 192extern void omap2_map_common_io(void);
207extern void omap2_init_common_hw(void); 193extern void omap2_init_common_hw(void);
208 194
209#else
210
211#define __REG8(paddr) io_p2v(paddr)
212#define __REG16(paddr) io_p2v(paddr)
213#define __REG32(paddr) io_p2v(paddr)
214
215#endif 195#endif
216 196
217#endif 197#endif