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#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 Identification bits */
/* UPA I/O space accessors */
#if defined(__KERNEL__) && !defined(__ASSEMBLY__)
static inline unsigned char _upa_readb(unsigned long addr)
{
unsigned char ret;
__asm__ __volatile__("lduba\t[%1] %2, %0\t/* upa_readb */"
: "=r" (ret)
: "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
return ret;
}
static inline unsigned short _upa_readw(unsigned long addr)
{
unsigned short ret;
__asm__ __volatile__("lduha\t[%1] %2, %0\t/* upa_readw */"
: "=r" (ret)
: "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
return ret;
}
static inline unsigned int _upa_readl(unsigned long addr)
{
unsigned int ret;
__asm__ __volatile__("lduwa\t[%1] %2, %0\t/* upa_readl */"
: "=r" (ret)
: "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
return ret;
}
static inline unsigned long _upa_readq(unsigned long addr)
{
unsigned long ret;
__asm__ __volatile__("ldxa\t[%1] %2, %0\t/* upa_readq */"
: "=r" (ret)
: "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
return ret;
}
static inline void _upa_writeb(unsigned char b, unsigned long addr)
{
__asm__ __volatile__("stba\t%0, [%1] %2\t/* upa_writeb */"
: /* no outputs */
: "r" (b), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
}
static inline void _upa_writew(unsigned short w, unsigned long addr)
{
__asm__ __volatile__("stha\t%0, [%1] %2\t/* upa_writew */"
: /* no outputs */
: "r" (w), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
}
static inline void _upa_writel(unsigned int l, unsigned long addr)
{
__asm__ __volatile__("stwa\t%0, [%1] %2\t/* upa_writel */"
: /* no outputs */
: "r" (l), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
}
static inline void _upa_writeq(unsigned long q, unsigned long addr)
{
__asm__ __volatile__("stxa\t%0, [%1] %2\t/* 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) */