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/*
* 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 <sys/SN/SN0/hubpi.h>, 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 <linux/types.h>
/*
* 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 */
/*
* 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 */
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