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Diffstat (limited to 'include/asm-arm/arch-l7200/io.h')
-rw-r--r--include/asm-arm/arch-l7200/io.h56
1 files changed, 4 insertions, 52 deletions
diff --git a/include/asm-arm/arch-l7200/io.h b/include/asm-arm/arch-l7200/io.h
index d744d97c18a5..645dbdfb3908 100644
--- a/include/asm-arm/arch-l7200/io.h
+++ b/include/asm-arm/arch-l7200/io.h
@@ -17,59 +17,11 @@
17/* 17/*
18 * There are not real ISA nor PCI buses, so we fake it. 18 * There are not real ISA nor PCI buses, so we fake it.
19 */ 19 */
20#define __io_pci(a) ((void __iomem *)(PCIO_BASE + (a))) 20static inline void __iomem *__io(unsigned long addr)
21#define __mem_pci(a) (a)
22
23#define __ioaddr(p) __io_pci(p)
24
25/*
26 * Generic virtual read/write
27 */
28#define __arch_getb(a) (*(volatile unsigned char *)(a))
29#define __arch_getl(a) (*(volatile unsigned int *)(a))
30
31static inline unsigned int __arch_getw(unsigned long a)
32{
33 unsigned int value;
34 __asm__ __volatile__("ldrh %0, [%1, #0] @ getw"
35 : "=&r" (value)
36 : "r" (a) : "cc");
37 return value;
38}
39
40#define __arch_putb(v,a) (*(volatile unsigned char *)(a) = (v))
41#define __arch_putl(v,a) (*(volatile unsigned int *)(a) = (v))
42
43static inline void __arch_putw(unsigned int value, unsigned long a)
44{ 21{
45 __asm__ __volatile__("strh %0, [%1, #0] @ putw" 22 return (void __iomem *)addr;
46 : : "r" (value), "r" (a) : "cc");
47} 23}
48 24#define __io(a) __io(a)
49/* 25#define __mem_pci(a) (a)
50 * Translated address IO functions
51 *
52 * IO address has already been translated to a virtual address
53 */
54#define outb_t(v,p) (*(volatile unsigned char *)(p) = (v))
55#define inb_t(p) (*(volatile unsigned char *)(p))
56#define outw_t(v,p) (*(volatile unsigned int *)(p) = (v))
57#define inw_t(p) (*(volatile unsigned int *)(p))
58#define outl_t(v,p) (*(volatile unsigned long *)(p) = (v))
59#define inl_t(p) (*(volatile unsigned long *)(p))
60
61/*
62 * FIXME - These are to allow for linking. On all the other
63 * ARM platforms, the entire IO space is contiguous.
64 * The 7200 has three separate IO spaces. The below
65 * macros will eventually become more involved. Use
66 * with caution and don't be surprised by kernel oopses!!!
67 */
68#define inb(p) inb_t(p)
69#define inw(p) inw_t(p)
70#define inl(p) inl_t(p)
71#define outb(v,p) outb_t(v,p)
72#define outw(v,p) outw_t(v,p)
73#define outl(v,p) outl_t(v,p)
74 26
75#endif 27#endif