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__) 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 : /* no outputs */ 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 : /* no outputs */ 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 : /* no outputs */ 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 : /* 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) */ 110