1#ifndef _SPARC64_UPA_H
2#define _SPARC64_UPA_H
3
4#include <asm/asi.h>
5
6
7
8
9#define UPA_CONFIG_RESV 0xffffffffc0000000
10#define UPA_CONFIG_PCON 0x000000003fc00000
11#define UPA_CONFIG_MID 0x00000000003e0000
12#define UPA_CONFIG_PCAP 0x000000000001ffff
13
14
15#define UPA_PORTID_FNP 0xff00000000000000
16#define UPA_PORTID_RESV 0x00fffff800000000
17#define UPA_PORTID_ECCVALID 0x0000000400000000
18#define UPA_PORTID_ONEREAD 0x0000000200000000
19#define UPA_PORTID_PINTRDQ 0x0000000180000000
20#define UPA_PORTID_PREQDQ 0x000000007e000000
21#define UPA_PORTID_PREQRD 0x0000000001e00000
22#define UPA_PORTID_UPACAP 0x00000000001f0000
23#define UPA_PORTID_ID 0x000000000000ffff
24
25
26#if defined(__KERNEL__) && !defined(__ASSEMBLY__)
27static inline unsigned char _upa_readb(unsigned long addr)
28{
29 unsigned char ret;
30
31 __asm__ __volatile__("lduba\t[%1] %2, %0\t/* upa_readb */"
32 : "=r" (ret)
33 : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
34
35 return ret;
36}
37
38static inline unsigned short _upa_readw(unsigned long addr)
39{
40 unsigned short ret;
41
42 __asm__ __volatile__("lduha\t[%1] %2, %0\t/* upa_readw */"
43 : "=r" (ret)
44 : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
45
46 return ret;
47}
48
49static inline unsigned int _upa_readl(unsigned long addr)
50{
51 unsigned int ret;
52
53 __asm__ __volatile__("lduwa\t[%1] %2, %0\t/* upa_readl */"
54 : "=r" (ret)
55 : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
56
57 return ret;
58}
59
60static inline unsigned long _upa_readq(unsigned long addr)
61{
62 unsigned long ret;
63
64 __asm__ __volatile__("ldxa\t[%1] %2, %0\t/* upa_readq */"
65 : "=r" (ret)
66 : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
67
68 return ret;
69}
70
71static inline void _upa_writeb(unsigned char b, unsigned long addr)
72{
73 __asm__ __volatile__("stba\t%0, [%1] %2\t/* upa_writeb */"
74 :
75 : "r" (b), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
76}
77
78static inline void _upa_writew(unsigned short w, unsigned long addr)
79{
80 __asm__ __volatile__("stha\t%0, [%1] %2\t/* upa_writew */"
81 :
82 : "r" (w), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
83}
84
85static inline void _upa_writel(unsigned int l, unsigned long addr)
86{
87 __asm__ __volatile__("stwa\t%0, [%1] %2\t/* upa_writel */"
88 :
89 : "r" (l), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
90}
91
92static inline void _upa_writeq(unsigned long q, unsigned long addr)
93{
94 __asm__ __volatile__("stxa\t%0, [%1] %2\t/* upa_writeq */"
95 :
96 : "r" (q), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
97}
98
99#define upa_readb(__addr) (_upa_readb((unsigned long)(__addr)))
100#define upa_readw(__addr) (_upa_readw((unsigned long)(__addr)))
101#define upa_readl(__addr) (_upa_readl((unsigned long)(__addr)))
102#define upa_readq(__addr) (_upa_readq((unsigned long)(__addr)))
103#define upa_writeb(__b, __addr) (_upa_writeb((__b), (unsigned long)(__addr)))
104#define upa_writew(__w, __addr) (_upa_writew((__w), (unsigned long)(__addr)))
105#define upa_writel(__l, __addr) (_upa_writel((__l), (unsigned long)(__addr)))
106#define upa_writeq(__q, __addr) (_upa_writeq((__q), (unsigned long)(__addr)))
107#endif
108
109#endif
110