| /* $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__ |
| |
| static 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; |
| } |
| |
| static 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)); |
| } |
| |
| static 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; |
| } |
| |
| static 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)); |
| } |
| |
| static 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; |
| } |
| |
| static 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]; |
| |
| static 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)); |
| } |
| |
| static 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; |
| } |
| |
| static inline void cc_set_iclr(unsigned clear) |
| { |
| __asm__ __volatile__ ("stha %0, [%1] %2" : : |
| "r" (clear), |
| "r" (CC_ICLR), |
| "i" (ASI_M_MXCC)); |
| } |
| |
| static 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; |
| } |
| |
| static inline void cc_set_imsk(unsigned mask) |
| { |
| __asm__ __volatile__ ("stha %0, [%1] %2" : : |
| "r" (mask), |
| "r" (CC_IMSK), |
| "i" (ASI_M_MXCC)); |
| } |
| |
| static 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; |
| } |
| |
| static 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)); |
| } |
| |
| static 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)) |
| |
| static 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) */ |