obio.h
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- /* $Id: obio.h,v 1.4 1998/03/09 14:04:55 jj Exp $
- * obio.h: Some useful locations in 0xFXXXXXXXX PA obio space on sun4d.
- *
- * Copyright (C) 1997 Jakub Jelinek <jj@sunsite.mff.cuni.cz>
- */
- #ifndef _SPARC_OBIO_H
- #define _SPARC_OBIO_H
- #include <asm/asi.h>
- /* This weird monster likes to use the very upper parts of
- 36bit PA for these things :) */
-
- /* CSR space (for each XDBUS)
- * ------------------------------------------------------------------------
- * | 0xFE | DEVID | | XDBUS ID | |
- * ------------------------------------------------------------------------
- * 35 28 27 20 19 10 9 8 7 0
- */
-
- #define CSR_BASE_ADDR 0xe0000000
- #define CSR_CPU_SHIFT (32 - 4 - 5)
- #define CSR_XDBUS_SHIFT 8
- #define CSR_BASE(cpu) (((CSR_BASE_ADDR >> CSR_CPU_SHIFT) + cpu) << CSR_CPU_SHIFT)
- /* ECSR space (not for each XDBUS)
- * ------------------------------------------------------------------------
- * | 0xF | DEVID[7:1] | |
- * ------------------------------------------------------------------------
- * 35 32 31 25 24 0
- */
-
- #define ECSR_BASE_ADDR 0x00000000
- #define ECSR_CPU_SHIFT (32 - 5)
- #define ECSR_DEV_SHIFT (32 - 8)
- #define ECSR_BASE(cpu) ((cpu) << ECSR_CPU_SHIFT)
- #define ECSR_DEV_BASE(devid) ((devid) << ECSR_DEV_SHIFT)
- /* Bus Watcher */
- #define BW_LOCAL_BASE 0xfff00000
- #define BW_CID 0x00000000
- #define BW_DBUS_CTRL 0x00000008
- #define BW_DBUS_DATA 0x00000010
- #define BW_CTRL 0x00001000
- #define BW_INTR_TABLE 0x00001040
- #define BW_INTR_TABLE_CLEAR 0x00001080
- #define BW_PRESCALER 0x000010c0
- #define BW_PTIMER_LIMIT 0x00002000
- #define BW_PTIMER_COUNTER2 0x00002004
- #define BW_PTIMER_NDLIMIT 0x00002008
- #define BW_PTIMER_CTRL 0x0000200c
- #define BW_PTIMER_COUNTER 0x00002010
- #define BW_TIMER_LIMIT 0x00003000
- #define BW_TIMER_COUNTER2 0x00003004
- #define BW_TIMER_NDLIMIT 0x00003008
- #define BW_TIMER_CTRL 0x0000300c
- #define BW_TIMER_COUNTER 0x00003010
- /* BW Control */
- #define BW_CTRL_USER_TIMER 0x00000004 /* Is User Timer Free run enabled */
- /* Boot Bus */
- #define BB_LOCAL_BASE 0xf0000000
- #define BB_STAT1 0x00100000
- #define BB_STAT2 0x00120000
- #define BB_STAT3 0x00140000
- #define BB_LEDS 0x002e0000
- /* Bits in BB_STAT2 */
- #define BB_STAT2_AC_INTR 0x04 /* Aiee! 5ms and power is gone... */
- #define BB_STAT2_TMP_INTR 0x10 /* My Penguins are burning. Are you able to smell it? */
- #define BB_STAT2_FAN_INTR 0x20 /* My fan refuses to work */
- #define BB_STAT2_PWR_INTR 0x40 /* On SC2000, one of the two ACs died. Ok, we go on... */
- #define BB_STAT2_MASK (BB_STAT2_AC_INTR|BB_STAT2_TMP_INTR|BB_STAT2_FAN_INTR|BB_STAT2_PWR_INTR)
- /* Cache Controller */
- #define CC_BASE 0x1F00000
- #define CC_DATSTREAM 0x1F00000 /* Data stream register */
- #define CC_DATSIZE 0x1F0003F /* Size */
- #define CC_SRCSTREAM 0x1F00100 /* Source stream register */
- #define CC_DESSTREAM 0x1F00200 /* Destination stream register */
- #define CC_RMCOUNT 0x1F00300 /* Count of references and misses */
- #define CC_IPEN 0x1F00406 /* Pending Interrupts */
- #define CC_IMSK 0x1F00506 /* Interrupt Mask */
- #define CC_ICLR 0x1F00606 /* Clear pending Interrupts */
- #define CC_IGEN 0x1F00704 /* Generate Interrupt register */
- #define CC_STEST 0x1F00804 /* Internal self-test */
- #define CC_CREG 0x1F00A04 /* Control register */
- #define CC_SREG 0x1F00B00 /* Status register */
- #define CC_RREG 0x1F00C04 /* Reset register */
- #define CC_EREG 0x1F00E00 /* Error code register */
- #define CC_CID 0x1F00F04 /* Component ID */
- #ifndef __ASSEMBLY__
- extern __inline__ int bw_get_intr_mask(int sbus_level)
- {
- int mask;
-
- __asm__ __volatile__ ("lduha [%1] %2, %0" :
- "=r" (mask) :
- "r" (BW_LOCAL_BASE + BW_INTR_TABLE + (sbus_level << 3)),
- "i" (ASI_M_CTL));
- return mask;
- }
- extern __inline__ void bw_clear_intr_mask(int sbus_level, int mask)
- {
- __asm__ __volatile__ ("stha %0, [%1] %2" : :
- "r" (mask),
- "r" (BW_LOCAL_BASE + BW_INTR_TABLE_CLEAR + (sbus_level << 3)),
- "i" (ASI_M_CTL));
- }
- extern __inline__ unsigned bw_get_prof_limit(int cpu)
- {
- unsigned limit;
-
- __asm__ __volatile__ ("lda [%1] %2, %0" :
- "=r" (limit) :
- "r" (CSR_BASE(cpu) + BW_PTIMER_LIMIT),
- "i" (ASI_M_CTL));
- return limit;
- }
- extern __inline__ void bw_set_prof_limit(int cpu, unsigned limit)
- {
- __asm__ __volatile__ ("sta %0, [%1] %2" : :
- "r" (limit),
- "r" (CSR_BASE(cpu) + BW_PTIMER_LIMIT),
- "i" (ASI_M_CTL));
- }
- extern __inline__ unsigned bw_get_ctrl(int cpu)
- {
- unsigned ctrl;
-
- __asm__ __volatile__ ("lda [%1] %2, %0" :
- "=r" (ctrl) :
- "r" (CSR_BASE(cpu) + BW_CTRL),
- "i" (ASI_M_CTL));
- return ctrl;
- }
- extern __inline__ void bw_set_ctrl(int cpu, unsigned ctrl)
- {
- __asm__ __volatile__ ("sta %0, [%1] %2" : :
- "r" (ctrl),
- "r" (CSR_BASE(cpu) + BW_CTRL),
- "i" (ASI_M_CTL));
- }
- extern unsigned char cpu_leds[32];
- extern __inline__ void show_leds(int cpuid)
- {
- cpuid &= 0x1e;
- __asm__ __volatile__ ("stba %0, [%1] %2" : :
- "r" ((cpu_leds[cpuid] << 4) | cpu_leds[cpuid+1]),
- "r" (ECSR_BASE(cpuid) | BB_LEDS),
- "i" (ASI_M_CTL));
- }
- extern __inline__ unsigned cc_get_ipen(void)
- {
- unsigned pending;
-
- __asm__ __volatile__ ("lduha [%1] %2, %0" :
- "=r" (pending) :
- "r" (CC_IPEN),
- "i" (ASI_M_MXCC));
- return pending;
- }
- extern __inline__ void cc_set_iclr(unsigned clear)
- {
- __asm__ __volatile__ ("stha %0, [%1] %2" : :
- "r" (clear),
- "r" (CC_ICLR),
- "i" (ASI_M_MXCC));
- }
- extern __inline__ unsigned cc_get_imsk(void)
- {
- unsigned mask;
-
- __asm__ __volatile__ ("lduha [%1] %2, %0" :
- "=r" (mask) :
- "r" (CC_IMSK),
- "i" (ASI_M_MXCC));
- return mask;
- }
- extern __inline__ void cc_set_imsk(unsigned mask)
- {
- __asm__ __volatile__ ("stha %0, [%1] %2" : :
- "r" (mask),
- "r" (CC_IMSK),
- "i" (ASI_M_MXCC));
- }
- extern __inline__ unsigned cc_get_imsk_other(int cpuid)
- {
- unsigned mask;
-
- __asm__ __volatile__ ("lduha [%1] %2, %0" :
- "=r" (mask) :
- "r" (ECSR_BASE(cpuid) | CC_IMSK),
- "i" (ASI_M_CTL));
- return mask;
- }
- extern __inline__ void cc_set_imsk_other(int cpuid, unsigned mask)
- {
- __asm__ __volatile__ ("stha %0, [%1] %2" : :
- "r" (mask),
- "r" (ECSR_BASE(cpuid) | CC_IMSK),
- "i" (ASI_M_CTL));
- }
- extern __inline__ void cc_set_igen(unsigned gen)
- {
- __asm__ __volatile__ ("sta %0, [%1] %2" : :
- "r" (gen),
- "r" (CC_IGEN),
- "i" (ASI_M_MXCC));
- }
- /* +-------+-------------+-----------+------------------------------------+
- * | bcast | devid | sid | levels mask |
- * +-------+-------------+-----------+------------------------------------+
- * 31 30 23 22 15 14 0
- */
- #define IGEN_MESSAGE(bcast, devid, sid, levels)
- (((bcast) << 31) | ((devid) << 23) | ((sid) << 15) | (levels))
-
- extern __inline__ void sun4d_send_ipi(int cpu, int level)
- {
- cc_set_igen(IGEN_MESSAGE(0, cpu << 3, 6 + ((level >> 1) & 7), 1 << (level - 1)));
- }
- #endif /* !__ASSEMBLY__ */
- #endif /* !(_SPARC_OBIO_H) */