/* * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * * Derived from IRIX , revision 1.28. * * Copyright (C) 1992 - 1997, 1999 Silicon Graphics, Inc. * Copyright (C) 1999 by Ralf Baechle */ #ifndef _ASM_SN_SN0_HUBPI_H #define _ASM_SN_SN0_HUBPI_H #include /* * Hub I/O interface registers * * All registers in this file are subject to change until Hub chip tapeout. * All register "addresses" are actually offsets. Use the LOCAL_HUB * or REMOTE_HUB macros to synthesize an actual address */ #define PI_BASE 0x000000 /* General protection and control registers */ #define PI_CPU_PROTECT 0x000000 /* CPU Protection */ #define PI_PROT_OVERRD 0x000008 /* Clear CPU Protection bit */ #define PI_IO_PROTECT 0x000010 /* Interrupt Pending Protection */ #define PI_REGION_PRESENT 0x000018 /* Indicates whether region exists */ #define PI_CPU_NUM 0x000020 /* CPU Number ID */ #define PI_CALIAS_SIZE 0x000028 /* Cached Alias Size */ #define PI_MAX_CRB_TIMEOUT 0x000030 /* Maximum Timeout for CRB */ #define PI_CRB_SFACTOR 0x000038 /* Scale factor for CRB timeout */ /* CALIAS values */ #define PI_CALIAS_SIZE_0 0 #define PI_CALIAS_SIZE_4K 1 #define PI_CALIAS_SIZE_8K 2 #define PI_CALIAS_SIZE_16K 3 #define PI_CALIAS_SIZE_32K 4 #define PI_CALIAS_SIZE_64K 5 #define PI_CALIAS_SIZE_128K 6 #define PI_CALIAS_SIZE_256K 7 #define PI_CALIAS_SIZE_512K 8 #define PI_CALIAS_SIZE_1M 9 #define PI_CALIAS_SIZE_2M 10 #define PI_CALIAS_SIZE_4M 11 #define PI_CALIAS_SIZE_8M 12 #define PI_CALIAS_SIZE_16M 13 #define PI_CALIAS_SIZE_32M 14 #define PI_CALIAS_SIZE_64M 15 /* Processor control and status checking */ #define PI_CPU_PRESENT_A 0x000040 /* CPU Present A */ #define PI_CPU_PRESENT_B 0x000048 /* CPU Present B */ #define PI_CPU_ENABLE_A 0x000050 /* CPU Enable A */ #define PI_CPU_ENABLE_B 0x000058 /* CPU Enable B */ #define PI_REPLY_LEVEL 0x000060 /* Reply Level */ #define PI_HARDRESET_BIT 0x020068 /* Bit cleared by s/w on SR */ #define PI_NMI_A 0x000070 /* NMI to CPU A */ #define PI_NMI_B 0x000078 /* NMI to CPU B */ #define PI_NMI_OFFSET (PI_NMI_B - PI_NMI_A) #define PI_SOFTRESET 0x000080 /* Softreset (to both CPUs) */ /* Regular Interrupt register checking. */ #define PI_INT_PEND_MOD 0x000090 /* Write to set pending ints */ #define PI_INT_PEND0 0x000098 /* Read to get pending ints */ #define PI_INT_PEND1 0x0000a0 /* Read to get pending ints */ #define PI_INT_MASK0_A 0x0000a8 /* Interrupt Mask 0 for CPU A */ #define PI_INT_MASK1_A 0x0000b0 /* Interrupt Mask 1 for CPU A */ #define PI_INT_MASK0_B 0x0000b8 /* Interrupt Mask 0 for CPU B */ #define PI_INT_MASK1_B 0x0000c0 /* Interrupt Mask 1 for CPU B */ #define PI_INT_MASK_OFFSET 0x10 /* Offset from A to B */ /* Crosscall interrupts */ #define PI_CC_PEND_SET_A 0x0000c8 /* CC Interrupt Pending Set, CPU A */ #define PI_CC_PEND_SET_B 0x0000d0 /* CC Interrupt Pending Set, CPU B */ #define PI_CC_PEND_CLR_A 0x0000d8 /* CC Interrupt Pending Clr, CPU A */ #define PI_CC_PEND_CLR_B 0x0000e0 /* CC Interrupt Pending Clr, CPU B */ #define PI_CC_MASK 0x0000e8 /* CC Interrupt mask */ #define PI_INT_SET_OFFSET 0x08 /* Offset from A to B */ /* Realtime Counter and Profiler control registers */ #define PI_RT_COUNT 0x030100 /* Real Time Counter */ #define PI_RT_COMPARE_A 0x000108 /* Real Time Compare A */ #define PI_RT_COMPARE_B 0x000110 /* Real Time Compare B */ #define PI_PROFILE_COMPARE 0x000118 /* L5 int to both cpus when == RTC */ #define PI_RT_PEND_A 0x000120 /* Set if RT int for A pending */ #define PI_RT_PEND_B 0x000128 /* Set if RT int for B pending */ #define PI_PROF_PEND_A 0x000130 /* Set if Prof int for A pending */ #define PI_PROF_PEND_B 0x000138 /* Set if Prof int for B pending */ #define PI_RT_EN_A 0x000140 /* RT int for CPU A enable */ #define PI_RT_EN_B 0x000148 /* RT int for CPU B enable */ #define PI_PROF_EN_A 0x000150 /* PROF int for CPU A enable */ #define PI_PROF_EN_B 0x000158 /* PROF int for CPU B enable */ #define PI_RT_LOCAL_CTRL 0x000160 /* RT control register */ #define PI_RT_FILTER_CTRL 0x000168 /* GCLK Filter control register */ #define PI_COUNT_OFFSET 0x08 /* A to B offset for all counts */ /* Built-In Self Test support */ #define PI_BIST_WRITE_DATA 0x000200 /* BIST write data */ #define PI_BIST_READ_DATA 0x000208 /* BIST read data */ #define PI_BIST_COUNT_TARG 0x000210 /* BIST Count and Target */ #define PI_BIST_READY 0x000218 /* BIST Ready indicator */ #define PI_BIST_SHIFT_LOAD 0x000220 /* BIST control */ #define PI_BIST_SHIFT_UNLOAD 0x000228 /* BIST control */ #define PI_BIST_ENTER_RUN 0x000230 /* BIST control */ /* Graphics control registers */ #define PI_GFX_PAGE_A 0x000300 /* Graphics page A */ #define PI_GFX_CREDIT_CNTR_A 0x000308 /* Graphics credit counter A */ #define PI_GFX_BIAS_A 0x000310 /* Graphics bias A */ #define PI_GFX_INT_CNTR_A 0x000318 /* Graphics interrupt counter A */ #define PI_GFX_INT_CMP_A 0x000320 /* Graphics interrupt comparator A */ #define PI_GFX_PAGE_B 0x000328 /* Graphics page B */ #define PI_GFX_CREDIT_CNTR_B 0x000330 /* Graphics credit counter B */ #define PI_GFX_BIAS_B 0x000338 /* Graphics bias B */ #define PI_GFX_INT_CNTR_B 0x000340 /* Graphics interrupt counter B */ #define PI_GFX_INT_CMP_B 0x000348 /* Graphics interrupt comparator B */ #define PI_GFX_OFFSET (PI_GFX_PAGE_B - PI_GFX_PAGE_A) #define PI_GFX_PAGE_ENABLE 0x0000010000000000LL /* Error and timeout registers */ #define PI_ERR_INT_PEND 0x000400 /* Error Interrupt Pending */ #define PI_ERR_INT_MASK_A 0x000408 /* Error Interrupt mask for CPU A */ #define PI_ERR_INT_MASK_B 0x000410 /* Error Interrupt mask for CPU B */ #define PI_ERR_STACK_ADDR_A 0x000418 /* Error stack address for CPU A */ #define PI_ERR_STACK_ADDR_B 0x000420 /* Error stack address for CPU B */ #define PI_ERR_STACK_SIZE 0x000428 /* Error Stack Size */ #define PI_ERR_STATUS0_A 0x000430 /* Error Status 0A */ #define PI_ERR_STATUS0_A_RCLR 0x000438 /* Error Status 0A clear on read */ #define PI_ERR_STATUS1_A 0x000440 /* Error Status 1A */ #define PI_ERR_STATUS1_A_RCLR 0x000448 /* Error Status 1A clear on read */ #define PI_ERR_STATUS0_B 0x000450 /* Error Status 0B */ #define PI_ERR_STATUS0_B_RCLR 0x000458 /* Error Status 0B clear on read */ #define PI_ERR_STATUS1_B 0x000460 /* Error Status 1B */ #define PI_ERR_STATUS1_B_RCLR 0x000468 /* Error Status 1B clear on read */ #define PI_SPOOL_CMP_A 0x000470 /* Spool compare for CPU A */ #define PI_SPOOL_CMP_B 0x000478 /* Spool compare for CPU B */ #define PI_CRB_TIMEOUT_A 0x000480 /* Timed out CRB entries for A */ #define PI_CRB_TIMEOUT_B 0x000488 /* Timed out CRB entries for B */ #define PI_SYSAD_ERRCHK_EN 0x000490 /* Enables SYSAD error checking */ #define PI_BAD_CHECK_BIT_A 0x000498 /* Force SYSAD check bit error */ #define PI_BAD_CHECK_BIT_B 0x0004a0 /* Force SYSAD check bit error */ #define PI_NACK_CNT_A 0x0004a8 /* Consecutive NACK counter */ #define PI_NACK_CNT_B 0x0004b0 /* " " for CPU B */ #define PI_NACK_CMP 0x0004b8 /* NACK count compare */ #define PI_STACKADDR_OFFSET (PI_ERR_STACK_ADDR_B - PI_ERR_STACK_ADDR_A) #define PI_ERRSTAT_OFFSET (PI_ERR_STATUS0_B - PI_ERR_STATUS0_A) #define PI_RDCLR_OFFSET (PI_ERR_STATUS0_A_RCLR - PI_ERR_STATUS0_A) /* Bits in PI_ERR_INT_PEND */ #define PI_ERR_SPOOL_CMP_B 0x00000001 /* Spool end hit high water */ #define PI_ERR_SPOOL_CMP_A 0x00000002 #define PI_ERR_SPUR_MSG_B 0x00000004 /* Spurious message intr. */ #define PI_ERR_SPUR_MSG_A 0x00000008 #define PI_ERR_WRB_TERR_B 0x00000010 /* WRB TERR */ #define PI_ERR_WRB_TERR_A 0x00000020 #define PI_ERR_WRB_WERR_B 0x00000040 /* WRB WERR */ #define PI_ERR_WRB_WERR_A 0x00000080 #define PI_ERR_SYSSTATE_B 0x00000100 /* SysState parity error */ #define PI_ERR_SYSSTATE_A 0x00000200 #define PI_ERR_SYSAD_DATA_B 0x00000400 /* SysAD data parity error */ #define PI_ERR_SYSAD_DATA_A 0x00000800 #define PI_ERR_SYSAD_ADDR_B 0x00001000 /* SysAD addr parity error */ #define PI_ERR_SYSAD_ADDR_A 0x00002000 #define PI_ERR_SYSCMD_DATA_B 0x00004000 /* SysCmd data parity error */ #define PI_ERR_SYSCMD_DATA_A 0x00008000 #define PI_ERR_SYSCMD_ADDR_B 0x00010000 /* SysCmd addr parity error */ #define PI_ERR_SYSCMD_ADDR_A 0x00020000 #define PI_ERR_BAD_SPOOL_B 0x00040000 /* Error spooling to memory */ #define PI_ERR_BAD_SPOOL_A 0x00080000 #define PI_ERR_UNCAC_UNCORR_B 0x00100000 /* Uncached uncorrectable */ #define PI_ERR_UNCAC_UNCORR_A 0x00200000 #define PI_ERR_SYSSTATE_TAG_B 0x00400000 /* SysState tag parity error */ #define PI_ERR_SYSSTATE_TAG_A 0x00800000 #define PI_ERR_MD_UNCORR 0x01000000 /* Must be cleared in MD */ #define PI_ERR_CLEAR_ALL_A 0x00aaaaaa #define PI_ERR_CLEAR_ALL_B 0x00555555 /* * The following three macros define all possible error int pends. */ #define PI_FATAL_ERR_CPU_A (PI_ERR_SYSSTATE_TAG_A | \ PI_ERR_BAD_SPOOL_A | \ PI_ERR_SYSCMD_ADDR_A | \ PI_ERR_SYSCMD_DATA_A | \ PI_ERR_SYSAD_ADDR_A | \ PI_ERR_SYSAD_DATA_A | \ PI_ERR_SYSSTATE_A) #define PI_MISC_ERR_CPU_A (PI_ERR_UNCAC_UNCORR_A | \ PI_ERR_WRB_WERR_A | \ PI_ERR_WRB_TERR_A | \ PI_ERR_SPUR_MSG_A | \ PI_ERR_SPOOL_CMP_A) #define PI_FATAL_ERR_CPU_B (PI_ERR_SYSSTATE_TAG_B | \ PI_ERR_BAD_SPOOL_B | \ PI_ERR_SYSCMD_ADDR_B | \ PI_ERR_SYSCMD_DATA_B | \ PI_ERR_SYSAD_ADDR_B | \ PI_ERR_SYSAD_DATA_B | \ PI_ERR_SYSSTATE_B) #define PI_MISC_ERR_CPU_B (PI_ERR_UNCAC_UNCORR_B | \ PI_ERR_WRB_WERR_B | \ PI_ERR_WRB_TERR_B | \ PI_ERR_SPUR_MSG_B | \ PI_ERR_SPOOL_CMP_B) #define PI_ERR_GENERIC (PI_ERR_MD_UNCORR) /* * Error types for PI_ERR_STATUS0_[AB] and error stack: * Use the write types if WRBRRB is 1 else use the read types */ /* Fields in PI_ERR_STATUS0_[AB] */ #define PI_ERR_ST0_TYPE_MASK 0x0000000000000007 #define PI_ERR_ST0_TYPE_SHFT 0 #define PI_ERR_ST0_REQNUM_MASK 0x0000000000000038 #define PI_ERR_ST0_REQNUM_SHFT 3 #define PI_ERR_ST0_SUPPL_MASK 0x000000000001ffc0 #define PI_ERR_ST0_SUPPL_SHFT 6 #define PI_ERR_ST0_CMD_MASK 0x0000000001fe0000 #define PI_ERR_ST0_CMD_SHFT 17 #define PI_ERR_ST0_ADDR_MASK 0x3ffffffffe000000 #define PI_ERR_ST0_ADDR_SHFT 25 #define PI_ERR_ST0_OVERRUN_MASK 0x4000000000000000 #define PI_ERR_ST0_OVERRUN_SHFT 62 #define PI_ERR_ST0_VALID_MASK 0x8000000000000000 #define PI_ERR_ST0_VALID_SHFT 63 /* Fields in PI_ERR_STATUS1_[AB] */ #define PI_ERR_ST1_SPOOL_MASK 0x00000000001fffff #define PI_ERR_ST1_SPOOL_SHFT 0 #define PI_ERR_ST1_TOUTCNT_MASK 0x000000001fe00000 #define PI_ERR_ST1_TOUTCNT_SHFT 21 #define PI_ERR_ST1_INVCNT_MASK 0x0000007fe0000000 #define PI_ERR_ST1_INVCNT_SHFT 29 #define PI_ERR_ST1_CRBNUM_MASK 0x0000038000000000 #define PI_ERR_ST1_CRBNUM_SHFT 39 #define PI_ERR_ST1_WRBRRB_MASK 0x0000040000000000 #define PI_ERR_ST1_WRBRRB_SHFT 42 #define PI_ERR_ST1_CRBSTAT_MASK 0x001ff80000000000 #define PI_ERR_ST1_CRBSTAT_SHFT 43 #define PI_ERR_ST1_MSGSRC_MASK 0xffe0000000000000 #define PI_ERR_ST1_MSGSRC_SHFT 53 /* Fields in the error stack */ #define PI_ERR_STK_TYPE_MASK 0x0000000000000003 #define PI_ERR_STK_TYPE_SHFT 0 #define PI_ERR_STK_SUPPL_MASK 0x0000000000000038 #define PI_ERR_STK_SUPPL_SHFT 3 #define PI_ERR_STK_REQNUM_MASK 0x00000000000001c0 #define PI_ERR_STK_REQNUM_SHFT 6 #define PI_ERR_STK_CRBNUM_MASK 0x0000000000000e00 #define PI_ERR_STK_CRBNUM_SHFT 9 #define PI_ERR_STK_WRBRRB_MASK 0x0000000000001000 #define PI_ERR_STK_WRBRRB_SHFT 12 #define PI_ERR_STK_CRBSTAT_MASK 0x00000000007fe000 #define PI_ERR_STK_CRBSTAT_SHFT 13 #define PI_ERR_STK_CMD_MASK 0x000000007f800000 #define PI_ERR_STK_CMD_SHFT 23 #define PI_ERR_STK_ADDR_MASK 0xffffffff80000000 #define PI_ERR_STK_ADDR_SHFT 31 /* Error type in the error status or stack on Read CRBs */ #define PI_ERR_RD_PRERR 1 #define PI_ERR_RD_DERR 2 #define PI_ERR_RD_TERR 3 /* Error type in the error status or stack on Write CRBs */ #define PI_ERR_WR_WERR 0 #define PI_ERR_WR_PWERR 1 #define PI_ERR_WR_TERR 3 /* Read or Write CRB in error status or stack */ #define PI_ERR_RRB 0 #define PI_ERR_WRB 1 #define PI_ERR_ANY_CRB 2 /* Address masks in the error status and error stack are not the same */ #define ERR_STK_ADDR_SHFT 7 #define ERR_STAT0_ADDR_SHFT 3 #define PI_MIN_STACK_SIZE 4096 /* For figuring out the size to set */ #define PI_STACK_SIZE_SHFT 12 /* 4k */ #define ERR_STACK_SIZE_BYTES(_sz) \ ((_sz) ? (PI_MIN_STACK_SIZE << ((_sz) - 1)) : 0) #ifndef __ASSEMBLY__ /* * format of error stack and error status registers. */ struct err_stack_format { u64 sk_addr : 33, /* address */ sk_cmd : 8, /* message command */ sk_crb_sts : 10, /* status from RRB or WRB */ sk_rw_rb : 1, /* RRB == 0, WRB == 1 */ sk_crb_num : 3, /* WRB (0 to 7) or RRB (0 to 4) */ sk_t5_req : 3, /* RRB T5 request number */ sk_suppl : 3, /* lowest 3 bit of supplemental */ sk_err_type: 3; /* error type */ }; typedef union pi_err_stack { u64 pi_stk_word; struct err_stack_format pi_stk_fmt; } pi_err_stack_t; struct err_status0_format { u64 s0_valid : 1, /* Valid */ s0_ovr_run : 1, /* Overrun, spooled to memory */ s0_addr : 37, /* address */ s0_cmd : 8, /* message command */ s0_supl : 11, /* message supplemental field */ s0_t5_req : 3, /* RRB T5 request number */ s0_err_type: 3; /* error type */ }; typedef union pi_err_stat0 { u64 pi_stat0_word; struct err_status0_format pi_stat0_fmt; } pi_err_stat0_t; struct err_status1_format { u64 s1_src : 11, /* message source */ s1_crb_sts : 10, /* status from RRB or WRB */ s1_rw_rb : 1, /* RRB == 0, WRB == 1 */ s1_crb_num : 3, /* WRB (0 to 7) or RRB (0 to 4) */ s1_inval_cnt:10, /* signed invalidate counter RRB */ s1_to_cnt : 8, /* crb timeout counter */ s1_spl_cnt : 21; /* number spooled to memory */ }; typedef union pi_err_stat1 { u64 pi_stat1_word; struct err_status1_format pi_stat1_fmt; } pi_err_stat1_t; typedef u64 rtc_time_t; #endif /* !__ASSEMBLY__ */ /* Bits in PI_SYSAD_ERRCHK_EN */ #define PI_SYSAD_ERRCHK_ECCGEN 0x01 /* Enable ECC generation */ #define PI_SYSAD_ERRCHK_QUALGEN 0x02 /* Enable data quality signal gen. */ #define PI_SYSAD_ERRCHK_SADP 0x04 /* Enable SysAD parity checking */ #define PI_SYSAD_ERRCHK_CMDP 0x08 /* Enable SysCmd parity checking */ #define PI_SYSAD_ERRCHK_STATE 0x10 /* Enable SysState parity checking */ #define PI_SYSAD_ERRCHK_QUAL 0x20 /* Enable data quality checking */ #define PI_SYSAD_CHECK_ALL 0x3f /* Generate and check all signals. */ /* Interrupt pending bits on R10000 */ #define HUB_IP_PEND0 0x0400 #define HUB_IP_PEND1_CC 0x0800 #define HUB_IP_RT 0x1000 #define HUB_IP_PROF 0x2000 #define HUB_IP_ERROR 0x4000 #define HUB_IP_MASK 0x7c00 /* PI_RT_LOCAL_CTRL mask and shift definitions */ #define PRLC_USE_INT_SHFT 16 #define PRLC_USE_INT_MASK (UINT64_CAST 1 << 16) #define PRLC_USE_INT (UINT64_CAST 1 << 16) #define PRLC_GCLK_SHFT 15 #define PRLC_GCLK_MASK (UINT64_CAST 1 << 15) #define PRLC_GCLK (UINT64_CAST 1 << 15) #define PRLC_GCLK_COUNT_SHFT 8 #define PRLC_GCLK_COUNT_MASK (UINT64_CAST 0x7f << 8) #define PRLC_MAX_COUNT_SHFT 1 #define PRLC_MAX_COUNT_MASK (UINT64_CAST 0x7f << 1) #define PRLC_GCLK_EN_SHFT 0 #define PRLC_GCLK_EN_MASK (UINT64_CAST 1) #define PRLC_GCLK_EN (UINT64_CAST 1) /* PI_RT_FILTER_CTRL mask and shift definitions */ #if 0 /* * XXX - This register's definition has changed, but it's only implemented * in Hub 2. */ #define PRFC_DROP_COUNT_SHFT 27 #define PRFC_DROP_COUNT_MASK (UINT64_CAST 0x3ff << 27) #define PRFC_DROP_CTR_SHFT 18 #define PRFC_DROP_CTR_MASK (UINT64_CAST 0x1ff << 18) #define PRFC_MASK_ENABLE_SHFT 10 #define PRFC_MASK_ENABLE_MASK (UINT64_CAST 0x7f << 10) #define PRFC_MASK_CTR_SHFT 2 #define PRFC_MASK_CTR_MASK (UINT64_CAST 0xff << 2) #define PRFC_OFFSET_SHFT 0 #define PRFC_OFFSET_MASK (UINT64_CAST 3) #endif /* 0 */ /* * Bits for NACK_CNT_A/B and NACK_CMP */ #define PI_NACK_CNT_EN_SHFT 20 #define PI_NACK_CNT_EN_MASK 0x100000 #define PI_NACK_CNT_MASK 0x0fffff #define PI_NACK_CNT_MAX 0x0fffff #endif /* _ASM_SN_SN0_HUBPI_H */