upa.h
上传用户:lgb322
上传日期:2013-02-24
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文件大小:4k
- /* $Id: upa.h,v 1.3 1999/09/21 14:39:47 davem Exp $ */
- #ifndef _SPARC64_UPA_H
- #define _SPARC64_UPA_H
- #include <asm/asi.h>
- /* UPA level registers and defines. */
- /* UPA Config Register */
- #define UPA_CONFIG_RESV 0xffffffffc0000000 /* Reserved. */
- #define UPA_CONFIG_PCON 0x000000003fc00000 /* Depth of various sys queues. */
- #define UPA_CONFIG_MID 0x00000000003e0000 /* Module ID. */
- #define UPA_CONFIG_PCAP 0x000000000001ffff /* Port Capabilities. */
- /* UPA Port ID Register */
- #define UPA_PORTID_FNP 0xff00000000000000 /* Hardcoded to 0xfc on ultra. */
- #define UPA_PORTID_RESV 0x00fffff800000000 /* Reserved. */
- #define UPA_PORTID_ECCVALID 0x0000000400000000 /* Zero if mod can generate ECC */
- #define UPA_PORTID_ONEREAD 0x0000000200000000 /* Set if mod generates P_RASB */
- #define UPA_PORTID_PINTRDQ 0x0000000180000000 /* # outstanding P_INT_REQ's */
- #define UPA_PORTID_PREQDQ 0x000000007e000000 /* slave-wr's to mod supported */
- #define UPA_PORTID_PREQRD 0x0000000001e00000 /* # incoming P_REQ's supported */
- #define UPA_PORTID_UPACAP 0x00000000001f0000 /* UPA capabilities of mod */
- #define UPA_PORTID_ID 0x000000000000ffff /* Module Indentification bits */
- /* UPA I/O space accessors */
- #if defined(__KERNEL__) && !defined(__ASSEMBLY__)
- extern __inline__ unsigned char _upa_readb(unsigned long addr)
- {
- unsigned char ret;
- __asm__ __volatile__("ldubat[%1] %2, %0t/* upa_readb */"
- : "=r" (ret)
- : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
- return ret;
- }
- extern __inline__ unsigned short _upa_readw(unsigned long addr)
- {
- unsigned short ret;
- __asm__ __volatile__("lduhat[%1] %2, %0t/* upa_readw */"
- : "=r" (ret)
- : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
- return ret;
- }
- extern __inline__ unsigned int _upa_readl(unsigned long addr)
- {
- unsigned int ret;
- __asm__ __volatile__("lduwat[%1] %2, %0t/* upa_readl */"
- : "=r" (ret)
- : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
- return ret;
- }
- extern __inline__ unsigned long _upa_readq(unsigned long addr)
- {
- unsigned long ret;
- __asm__ __volatile__("ldxat[%1] %2, %0t/* upa_readq */"
- : "=r" (ret)
- : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
- return ret;
- }
- extern __inline__ void _upa_writeb(unsigned char b, unsigned long addr)
- {
- __asm__ __volatile__("stbat%0, [%1] %2t/* upa_writeb */"
- : /* no outputs */
- : "r" (b), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
- }
- extern __inline__ void _upa_writew(unsigned short w, unsigned long addr)
- {
- __asm__ __volatile__("sthat%0, [%1] %2t/* upa_writew */"
- : /* no outputs */
- : "r" (w), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
- }
- extern __inline__ void _upa_writel(unsigned int l, unsigned long addr)
- {
- __asm__ __volatile__("stwat%0, [%1] %2t/* upa_writel */"
- : /* no outputs */
- : "r" (l), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
- }
- extern __inline__ void _upa_writeq(unsigned long q, unsigned long addr)
- {
- __asm__ __volatile__("stxat%0, [%1] %2t/* upa_writeq */"
- : /* no outputs */
- : "r" (q), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
- }
- #define upa_readb(__addr) (_upa_readb((unsigned long)(__addr)))
- #define upa_readw(__addr) (_upa_readw((unsigned long)(__addr)))
- #define upa_readl(__addr) (_upa_readl((unsigned long)(__addr)))
- #define upa_readq(__addr) (_upa_readq((unsigned long)(__addr)))
- #define upa_writeb(__b, __addr) (_upa_writeb((__b), (unsigned long)(__addr)))
- #define upa_writew(__w, __addr) (_upa_writew((__w), (unsigned long)(__addr)))
- #define upa_writel(__l, __addr) (_upa_writel((__l), (unsigned long)(__addr)))
- #define upa_writeq(__q, __addr) (_upa_writeq((__q), (unsigned long)(__addr)))
- #endif /* __KERNEL__ && !__ASSEMBLY__ */
- #endif /* !(_SPARC64_UPA_H) */