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a00736e9 SR |
1 | #ifndef _SPARC64_UPA_H |
2 | #define _SPARC64_UPA_H | |
3 | ||
4 | #include <asm/asi.h> | |
5 | ||
6 | /* UPA level registers and defines. */ | |
7 | ||
8 | /* UPA Config Register */ | |
9 | #define UPA_CONFIG_RESV 0xffffffffc0000000 /* Reserved. */ | |
10 | #define UPA_CONFIG_PCON 0x000000003fc00000 /* Depth of various sys queues. */ | |
11 | #define UPA_CONFIG_MID 0x00000000003e0000 /* Module ID. */ | |
12 | #define UPA_CONFIG_PCAP 0x000000000001ffff /* Port Capabilities. */ | |
13 | ||
14 | /* UPA Port ID Register */ | |
15 | #define UPA_PORTID_FNP 0xff00000000000000 /* Hardcoded to 0xfc on ultra. */ | |
16 | #define UPA_PORTID_RESV 0x00fffff800000000 /* Reserved. */ | |
17 | #define UPA_PORTID_ECCVALID 0x0000000400000000 /* Zero if mod can generate ECC */ | |
18 | #define UPA_PORTID_ONEREAD 0x0000000200000000 /* Set if mod generates P_RASB */ | |
19 | #define UPA_PORTID_PINTRDQ 0x0000000180000000 /* # outstanding P_INT_REQ's */ | |
20 | #define UPA_PORTID_PREQDQ 0x000000007e000000 /* slave-wr's to mod supported */ | |
21 | #define UPA_PORTID_PREQRD 0x0000000001e00000 /* # incoming P_REQ's supported */ | |
22 | #define UPA_PORTID_UPACAP 0x00000000001f0000 /* UPA capabilities of mod */ | |
23 | #define UPA_PORTID_ID 0x000000000000ffff /* Module Identification bits */ | |
24 | ||
25 | /* UPA I/O space accessors */ | |
26 | #if defined(__KERNEL__) && !defined(__ASSEMBLY__) | |
27 | static 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 | ||
38 | static 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 | ||
49 | static 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 | ||
60 | static 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 | ||
71 | static inline void _upa_writeb(unsigned char b, unsigned long addr) | |
72 | { | |
73 | __asm__ __volatile__("stba\t%0, [%1] %2\t/* upa_writeb */" | |
74 | : /* no outputs */ | |
75 | : "r" (b), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)); | |
76 | } | |
77 | ||
78 | static inline void _upa_writew(unsigned short w, unsigned long addr) | |
79 | { | |
80 | __asm__ __volatile__("stha\t%0, [%1] %2\t/* upa_writew */" | |
81 | : /* no outputs */ | |
82 | : "r" (w), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)); | |
83 | } | |
84 | ||
85 | static inline void _upa_writel(unsigned int l, unsigned long addr) | |
86 | { | |
87 | __asm__ __volatile__("stwa\t%0, [%1] %2\t/* upa_writel */" | |
88 | : /* no outputs */ | |
89 | : "r" (l), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)); | |
90 | } | |
91 | ||
92 | static inline void _upa_writeq(unsigned long q, unsigned long addr) | |
93 | { | |
94 | __asm__ __volatile__("stxa\t%0, [%1] %2\t/* upa_writeq */" | |
95 | : /* no outputs */ | |
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 /* __KERNEL__ && !__ASSEMBLY__ */ | |
108 | ||
109 | #endif /* !(_SPARC64_UPA_H) */ |