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[/] [or1k/] [trunk/] [rc203soc/] [sw/] [uClinux/] [include/] [asm-sparc/] [io.h] - Blame information for rev 1765

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/* $Id: io.h,v 1.1 2005-12-20 11:32:11 jcastillo Exp $ */
#ifndef __SPARC_IO_H
#define __SPARC_IO_H
 
#include <linux/kernel.h>
 
#include <asm/page.h>      /* IO address mapping routines need this */
#include <asm/system.h>
 
/*
 * Defines for io operations on the Sparc. Whether a memory access is going
 * to i/o sparc is encoded in the pte. The type bits determine whether this
 * is i/o sparc, on board memory, or VME space for VME cards. I think VME
 * space only works on sun4's
 */
 
extern inline unsigned long inb_local(unsigned long addr)
{
        return 0;
}
 
extern inline void outb_local(unsigned char b, unsigned long addr)
{
        return;
}
 
extern inline unsigned long inb(unsigned long addr)
{
        return 0;
}
 
extern inline unsigned long inw(unsigned long addr)
{
        return 0;
}
 
extern inline unsigned long inl(unsigned long addr)
{
        return 0;
}
 
extern inline void outb(unsigned char b, unsigned long addr)
{
        return;
}
 
extern inline void outw(unsigned short b, unsigned long addr)
{
        return;
}
 
extern inline void outl(unsigned int b, unsigned long addr)
{
        return;
}
 
/*
 * Memory functions
 */
extern inline unsigned long readb(unsigned long addr)
{
        return 0;
}
 
extern inline unsigned long readw(unsigned long addr)
{
        return 0;
}
 
extern inline unsigned long readl(unsigned long addr)
{
        return 0;
}
 
extern inline void writeb(unsigned short b, unsigned long addr)
{
        return;
}
 
extern inline void writew(unsigned short b, unsigned long addr)
{
        return;
}
 
extern inline void writel(unsigned int b, unsigned long addr)
{
        return;
}
 
#define inb_p inb
#define outb_p outb
 
extern void sun4c_mapioaddr(unsigned long, unsigned long, int bus_type, int rdonly);
extern void srmmu_mapioaddr(unsigned long, unsigned long, int bus_type, int rdonly);
 
extern inline void mapioaddr(unsigned long physaddr, unsigned long virt_addr,
                             int bus, int rdonly)
{
        switch(sparc_cpu_model) {
        case sun4c:
                sun4c_mapioaddr(physaddr, virt_addr, bus, rdonly);
                break;
        case sun4m:
        case sun4d:
        case sun4e:
                srmmu_mapioaddr(physaddr, virt_addr, bus, rdonly);
                break;
        default:
                printk("mapioaddr: Trying to map IO space for unsupported machine.\n");
                printk("mapioaddr: sparc_cpu_model = %d\n", sparc_cpu_model);
                printk("mapioaddr: Halting...\n");
                halt();
        };
        return;
}
 
extern void *sparc_alloc_io (void *, void *, int, char *, int, int);
extern void *sparc_dvma_malloc (int, char *);
 
#endif /* !(__SPARC_IO_H) */

Line No.	Rev	Author	Line
1	1633	jcastillo	`/* $Id: io.h,v 1.1 2005-12-20 11:32:11 jcastillo Exp $ */`
2			`#ifndef __SPARC_IO_H`
3			`#define __SPARC_IO_H`
4
5			`#include <linux/kernel.h>`
6
7			`#include <asm/page.h> /* IO address mapping routines need this */`
8			`#include <asm/system.h>`
9
10			`/*`
11			`* Defines for io operations on the Sparc. Whether a memory access is going`
12			`* to i/o sparc is encoded in the pte. The type bits determine whether this`
13			`* is i/o sparc, on board memory, or VME space for VME cards. I think VME`
14			`* space only works on sun4's`
15			`*/`
16
17			`extern inline unsigned long inb_local(unsigned long addr)`
18			`{`
19			`return 0;`
20			`}`
21
22			`extern inline void outb_local(unsigned char b, unsigned long addr)`
23			`{`
24			`return;`
25			`}`
26
27			`extern inline unsigned long inb(unsigned long addr)`
28			`{`
29			`return 0;`
30			`}`
31
32			`extern inline unsigned long inw(unsigned long addr)`
33			`{`
34			`return 0;`
35			`}`
36
37			`extern inline unsigned long inl(unsigned long addr)`
38			`{`
39			`return 0;`
40			`}`
41
42			`extern inline void outb(unsigned char b, unsigned long addr)`
43			`{`
44			`return;`
45			`}`
46
47			`extern inline void outw(unsigned short b, unsigned long addr)`
48			`{`
49			`return;`
50			`}`
51
52			`extern inline void outl(unsigned int b, unsigned long addr)`
53			`{`
54			`return;`
55			`}`
56
57			`/*`
58			`* Memory functions`
59			`*/`
60			`extern inline unsigned long readb(unsigned long addr)`
61			`{`
62			`return 0;`
63			`}`
64
65			`extern inline unsigned long readw(unsigned long addr)`
66			`{`
67			`return 0;`
68			`}`
69
70			`extern inline unsigned long readl(unsigned long addr)`
71			`{`
72			`return 0;`
73			`}`
74
75			`extern inline void writeb(unsigned short b, unsigned long addr)`
76			`{`
77			`return;`
78			`}`
79
80			`extern inline void writew(unsigned short b, unsigned long addr)`
81			`{`
82			`return;`
83			`}`
84
85			`extern inline void writel(unsigned int b, unsigned long addr)`
86			`{`
87			`return;`
88			`}`
89
90			`#define inb_p inb`
91			`#define outb_p outb`
92
93			`extern void sun4c_mapioaddr(unsigned long, unsigned long, int bus_type, int rdonly);`
94			`extern void srmmu_mapioaddr(unsigned long, unsigned long, int bus_type, int rdonly);`
95
96			`extern inline void mapioaddr(unsigned long physaddr, unsigned long virt_addr,`
97			`int bus, int rdonly)`
98			`{`
99			`switch(sparc_cpu_model) {`
100			`case sun4c:`
101			`sun4c_mapioaddr(physaddr, virt_addr, bus, rdonly);`
102			`break;`
103			`case sun4m:`
104			`case sun4d:`
105			`case sun4e:`
106			`srmmu_mapioaddr(physaddr, virt_addr, bus, rdonly);`
107			`break;`
108			`default:`
109			`printk("mapioaddr: Trying to map IO space for unsupported machine.\n");`
110			`printk("mapioaddr: sparc_cpu_model = %d\n", sparc_cpu_model);`
111			`printk("mapioaddr: Halting...\n");`
112			`halt();`
113			`};`
114			`return;`
115			`}`
116
117			`extern void sparc_alloc_io (void , void , int, char , int, int);`
118			`extern void sparc_dvma_malloc (int, char );`
119
120			`#endif /* !(__SPARC_IO_H) */`

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[/] [or1k/] [trunk/] [rc203soc/] [sw/] [uClinux/] [include/] [asm-sparc/] [io.h] - Blame information for rev 1765