synergy.h
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上传日期:2013-02-24
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- #ifndef ASM_IA64_SN_SYNERGY_H
- #define ASM_IA64_SN_SYNERGY_H
- #include <linux/config.h>
- #include "asm/io.h"
- #include "asm/sn/nodepda.h"
- #include "asm/sn/intr_public.h"
- /*
- * Definitions for the synergy asic driver
- *
- * These are for SGI platforms only.
- *
- * Copyright (C) 2000 Silicon Graphics, Inc
- * Copyright (C) 2000 Alan Mayer (ajm@sgi.com)
- */
- #define SSPEC_BASE (0xe0000000000)
- #define LB_REG_BASE (SSPEC_BASE + 0x0)
- #define VEC_MASK3A_ADDR (0x2a0 + LB_REG_BASE + __IA64_UNCACHED_OFFSET)
- #define VEC_MASK3B_ADDR (0x2a8 + LB_REG_BASE + __IA64_UNCACHED_OFFSET)
- #define VEC_MASK3A (0x2a0)
- #define VEC_MASK3B (0x2a8)
- #define VEC_MASK2A_ADDR (0x2b0 + LB_REG_BASE + __IA64_UNCACHED_OFFSET)
- #define VEC_MASK2B_ADDR (0x2b8 + LB_REG_BASE + __IA64_UNCACHED_OFFSET)
- #define VEC_MASK2A (0x2b0)
- #define VEC_MASK2B (0x2b8)
- #define VEC_MASK1A_ADDR (0x2c0 + LB_REG_BASE + __IA64_UNCACHED_OFFSET)
- #define VEC_MASK1B_ADDR (0x2c8 + LB_REG_BASE + __IA64_UNCACHED_OFFSET)
- #define VEC_MASK1A (0x2c0)
- #define VEC_MASK1B (0x2c8)
- #define VEC_MASK0A_ADDR (0x2d0 + LB_REG_BASE + __IA64_UNCACHED_OFFSET)
- #define VEC_MASK0B_ADDR (0x2d8 + LB_REG_BASE + __IA64_UNCACHED_OFFSET)
- #define VEC_MASK0A (0x2d0)
- #define VEC_MASK0B (0x2d8)
- #define WRITE_LOCAL_SYNERGY_REG(addr, value) __synergy_out(addr, value)
- #define HUBREG_CAST (volatile hubreg_t *)
- #define HUB_L(_a) *(_a)
- #define HUB_S(_a, _d) *(_a) = (_d)
- #define HSPEC_SYNERGY0_0 0x04000000 /* Synergy0 Registers */
- #define HSPEC_SYNERGY1_0 0x05000000 /* Synergy1 Registers */
- #define HS_SYNERGY_STRIDE (HSPEC_SYNERGY1_0 - HSPEC_SYNERGY0_0)
- #define REMOTE_HSPEC(_n, _x) (HUBREG_CAST (RREG_BASE(_n) + (_x)))
- #define RREG_BASE(_n) (NODE_LREG_BASE(_n))
- #define NODE_LREG_BASE(_n) (NODE_HSPEC_BASE(_n) + 0x30000000)
- #define NODE_HSPEC_BASE(_n) (HSPEC_BASE + NODE_OFFSET(_n))
- #ifndef HSPEC_BASE
- #define HSPEC_BASE (SYN_UNCACHED_SPACE | HSPEC_BASE_SYN)
- #endif
- #define SYN_UNCACHED_SPACE 0xc000000000000000
- #define HSPEC_BASE_SYN 0x00000b0000000000
- #define NODE_OFFSET(_n) (UINT64_CAST (_n) << NODE_SIZE_BITS)
- #define NODE_SIZE_BITS 33
- #define RSYN_REG_OFFSET(fsb, reg) (((fsb) ? HSPEC_SYNERGY1_0 : HSPEC_SYNERGY0_0) | (reg))
- #define REMOTE_SYNERGY_LOAD(nasid, fsb, reg) __remote_synergy_in(nasid, fsb, reg)
- #define REMOTE_SYNERGY_STORE(nasid, fsb, reg, val) __remote_synergy_out(nasid, fsb, reg, val)
- extern inline uint64_t
- __remote_synergy_in(int nasid, int fsb, uint64_t reg) {
- volatile uint64_t *addr;
- addr = (uint64_t *)(RREG_BASE(nasid) + RSYN_REG_OFFSET(fsb, reg));
- return (*addr);
- }
- extern inline void
- __remote_synergy_out(int nasid, int fsb, uint64_t reg, uint64_t value) {
- volatile uint64_t *addr;
- addr = (uint64_t *)(RREG_BASE(nasid) + RSYN_REG_OFFSET(fsb, (reg<<2)));
- *(addr+0) = value >> 48;
- *(addr+1) = value >> 32;
- *(addr+2) = value >> 16;
- *(addr+3) = value;
- __ia64_mf_a();
- }
- /* XX this doesn't make a lot of sense. Which fsb? */
- extern inline void
- __synergy_out(unsigned long addr, unsigned long value)
- {
- volatile unsigned long *adr = (unsigned long *)
- (addr | __IA64_UNCACHED_OFFSET);
- *adr = value;
- __ia64_mf_a();
- }
- #define READ_LOCAL_SYNERGY_REG(addr) __synergy_in(addr)
- /* XX this doesn't make a lot of sense. Which fsb? */
- extern inline unsigned long
- __synergy_in(unsigned long addr)
- {
- unsigned long ret, *adr = (unsigned long *)
- (addr | __IA64_UNCACHED_OFFSET);
- ret = *adr;
- __ia64_mf_a();
- return ret;
- }
- struct sn1_intr_action {
- void (*handler)(int, void *, struct pt_regs *);
- void *intr_arg;
- unsigned long flags;
- struct sn1_intr_action * next;
- };
- typedef struct synergy_da_s {
- hub_intmasks_t s_intmasks;
- }synergy_da_t;
- struct sn1_cnode_action_list {
- spinlock_t action_list_lock;
- struct sn1_intr_action *action_list;
- };
- #if defined(CONFIG_IA64_SGI_SYNERGY_PERF)
- /* multiplex the counters every 10 timer interrupts */
- #define SYNERGY_PERF_FREQ_DEFAULT 10
- /* synergy perf control registers */
- #define PERF_CNTL0_A 0xab0UL /* control A on FSB0 */
- #define PERF_CNTL0_B 0xab8UL /* control B on FSB0 */
- #define PERF_CNTL1_A 0xac0UL /* control A on FSB1 */
- #define PERF_CNTL1_B 0xac8UL /* control B on FSB1 */
- /* synergy perf counters */
- #define PERF_CNTR0_A 0xad0UL /* counter A on FSB0 */
- #define PERF_CNTR0_B 0xad8UL /* counter B on FSB0 */
- #define PERF_CNTR1_A 0xaf0UL /* counter A on FSB1 */
- #define PERF_CNTR1_B 0xaf8UL /* counter B on FSB1 */
- /* Synergy perf data. Each nodepda keeps a list of these */
- struct synergy_perf_s {
- uint64_t intervals; /* count of active intervals for this event */
- uint64_t modesel; /* mode and sel bits, both A and B registers */
- struct synergy_perf_s *next; /* next in circular linked list */
- uint64_t counts[2]; /* [0] is synergy-A counter, [1] synergy-B counter */
- };
- typedef struct synergy_perf_s synergy_perf_t;
- extern void synergy_perf_init(void);
- extern void synergy_perf_update(int);
- #endif /* CONFIG_IA64_SGI_SYNERGY_PERF */
- /* Temporary defintions for testing: */
- #endif ASM_IA64_SN_SYNERGY_H