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xtensa: add Three Core HiFi-2 MX Variant.
authorPiet Delaney <piet.delaney@gmail.com>
Mon, 14 Mar 2016 04:54:15 +0000 (07:54 +0300)
committerChris Zankel <chris@zankel.net>
Thu, 17 Mar 2016 21:16:12 +0000 (21:16 +0000)
This variant has coherent cache, is equipped with interrupt distributor
and is capable of running SMP linux.

Signed-off-by: Piet Delaney <piet.delaney@gmail.com>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
arch/xtensa/variants/test_mmuhifi_c3/include/variant/core.h [new file with mode: 0644]
arch/xtensa/variants/test_mmuhifi_c3/include/variant/tie-asm.h [new file with mode: 0644]
arch/xtensa/variants/test_mmuhifi_c3/include/variant/tie.h [new file with mode: 0644]

diff --git a/arch/xtensa/variants/test_mmuhifi_c3/include/variant/core.h b/arch/xtensa/variants/test_mmuhifi_c3/include/variant/core.h
new file mode 100644 (file)
index 0000000..7c5d3a2
--- /dev/null
@@ -0,0 +1,383 @@
+/*
+ * Xtensa processor core configuration information.
+ *
+ * This file is subject to the terms and conditions of version 2.1 of the GNU
+ * Lesser General Public License as published by the Free Software Foundation.
+ *
+ * Copyright (c) 1999-2009 Tensilica Inc.
+ */
+
+#ifndef _XTENSA_CORE_CONFIGURATION_H
+#define _XTENSA_CORE_CONFIGURATION_H
+
+
+/****************************************************************************
+           Parameters Useful for Any Code, USER or PRIVILEGED
+ ****************************************************************************/
+
+/*
+ *  Note:  Macros of the form XCHAL_HAVE_*** have a value of 1 if the option is
+ *  configured, and a value of 0 otherwise.  These macros are always defined.
+ */
+
+
+/*----------------------------------------------------------------------
+                               ISA
+  ----------------------------------------------------------------------*/
+
+#define XCHAL_HAVE_BE                  0       /* big-endian byte ordering */
+#define XCHAL_HAVE_WINDOWED            1       /* windowed registers option */
+#define XCHAL_NUM_AREGS                        32      /* num of physical addr regs */
+#define XCHAL_NUM_AREGS_LOG2           5       /* log2(XCHAL_NUM_AREGS) */
+#define XCHAL_MAX_INSTRUCTION_SIZE     8       /* max instr bytes (3..8) */
+#define XCHAL_HAVE_DEBUG               1       /* debug option */
+#define XCHAL_HAVE_DENSITY             1       /* 16-bit instructions */
+#define XCHAL_HAVE_LOOPS               1       /* zero-overhead loops */
+#define XCHAL_HAVE_NSA                 1       /* NSA/NSAU instructions */
+#define XCHAL_HAVE_MINMAX              1       /* MIN/MAX instructions */
+#define XCHAL_HAVE_SEXT                        1       /* SEXT instruction */
+#define XCHAL_HAVE_CLAMPS              1       /* CLAMPS instruction */
+#define XCHAL_HAVE_MUL16               1       /* MUL16S/MUL16U instructions */
+#define XCHAL_HAVE_MUL32               1       /* MULL instruction */
+#define XCHAL_HAVE_MUL32_HIGH          0       /* MULUH/MULSH instructions */
+#define XCHAL_HAVE_DIV32               0       /* QUOS/QUOU/REMS/REMU instructions */
+#define XCHAL_HAVE_L32R                        1       /* L32R instruction */
+#define XCHAL_HAVE_ABSOLUTE_LITERALS   1       /* non-PC-rel (extended) L32R */
+#define XCHAL_HAVE_CONST16             0       /* CONST16 instruction */
+#define XCHAL_HAVE_ADDX                        1       /* ADDX#/SUBX# instructions */
+#define XCHAL_HAVE_WIDE_BRANCHES       0       /* B*.W18 or B*.W15 instr's */
+#define XCHAL_HAVE_PREDICTED_BRANCHES  0       /* B[EQ/EQZ/NE/NEZ]T instr's */
+#define XCHAL_HAVE_CALL4AND12          1       /* (obsolete option) */
+#define XCHAL_HAVE_ABS                 1       /* ABS instruction */
+/*#define XCHAL_HAVE_POPC              0*/     /* POPC instruction */
+/*#define XCHAL_HAVE_CRC               0*/     /* CRC instruction */
+#define XCHAL_HAVE_RELEASE_SYNC                1       /* L32AI/S32RI instructions */
+#define XCHAL_HAVE_S32C1I              1       /* S32C1I instruction */
+#define XCHAL_HAVE_SPECULATION         0       /* speculation */
+#define XCHAL_HAVE_FULL_RESET          1       /* all regs/state reset */
+#define XCHAL_NUM_CONTEXTS             1       /* */
+#define XCHAL_NUM_MISC_REGS            2       /* num of scratch regs (0..4) */
+#define XCHAL_HAVE_TAP_MASTER          0       /* JTAG TAP control instr's */
+#define XCHAL_HAVE_PRID                        1       /* processor ID register */
+#define XCHAL_HAVE_EXTERN_REGS         1       /* WER/RER instructions */
+#define XCHAL_HAVE_MP_INTERRUPTS       1       /* interrupt distributor port */
+#define XCHAL_HAVE_MP_RUNSTALL         1       /* core RunStall control port */
+#define XCHAL_HAVE_THREADPTR           1       /* THREADPTR register */
+#define XCHAL_HAVE_BOOLEANS            1       /* boolean registers */
+#define XCHAL_HAVE_CP                  1       /* CPENABLE reg (coprocessor) */
+#define XCHAL_CP_MAXCFG                        2       /* max allowed cp id plus one */
+#define XCHAL_HAVE_MAC16               0       /* MAC16 package */
+#define XCHAL_HAVE_VECTORFPU2005       0       /* vector floating-point pkg */
+#define XCHAL_HAVE_FP                  0       /* floating point pkg */
+#define XCHAL_HAVE_DFP                 0       /* double precision FP pkg */
+#define XCHAL_HAVE_DFP_accel           0       /* double precision FP acceleration pkg */
+#define XCHAL_HAVE_VECTRA1             0       /* Vectra I  pkg */
+#define XCHAL_HAVE_VECTRALX            0       /* Vectra LX pkg */
+#define XCHAL_HAVE_HIFIPRO             0       /* HiFiPro Audio Engine pkg */
+#define XCHAL_HAVE_HIFI2               1       /* HiFi2 Audio Engine pkg */
+#define XCHAL_HAVE_CONNXD2             0       /* ConnX D2 pkg */
+
+
+/*----------------------------------------------------------------------
+                               MISC
+  ----------------------------------------------------------------------*/
+
+#define XCHAL_NUM_WRITEBUFFER_ENTRIES  8       /* size of write buffer */
+#define XCHAL_INST_FETCH_WIDTH         8       /* instr-fetch width in bytes */
+#define XCHAL_DATA_WIDTH               8       /* data width in bytes */
+/*  In T1050, applies to selected core load and store instructions (see ISA): */
+#define XCHAL_UNALIGNED_LOAD_EXCEPTION 1       /* unaligned loads cause exc. */
+#define XCHAL_UNALIGNED_STORE_EXCEPTION        1       /* unaligned stores cause exc.*/
+#define XCHAL_UNALIGNED_LOAD_HW                0       /* unaligned loads work in hw */
+#define XCHAL_UNALIGNED_STORE_HW       0       /* unaligned stores work in hw*/
+
+#define XCHAL_SW_VERSION               800000  /* sw version of this header */
+
+#define XCHAL_CORE_ID                  "test_mmuhifi_c3"       /* alphanum core name
+                                                  (CoreID) set in the Xtensa
+                                                  Processor Generator */
+
+#define XCHAL_CORE_DESCRIPTION         "test_mmuhifi_c3"
+#define XCHAL_BUILD_UNIQUE_ID          0x00005A6A      /* 22-bit sw build ID */
+
+/*
+ *  These definitions describe the hardware targeted by this software.
+ */
+#define XCHAL_HW_CONFIGID0             0xC1B3CBFE      /* ConfigID hi 32 bits*/
+#define XCHAL_HW_CONFIGID1             0x10405A6A      /* ConfigID lo 32 bits*/
+#define XCHAL_HW_VERSION_NAME          "LX3.0.0"       /* full version name */
+#define XCHAL_HW_VERSION_MAJOR         2300    /* major ver# of targeted hw */
+#define XCHAL_HW_VERSION_MINOR         0       /* minor ver# of targeted hw */
+#define XCHAL_HW_VERSION               230000  /* major*100+minor */
+#define XCHAL_HW_REL_LX3               1
+#define XCHAL_HW_REL_LX3_0             1
+#define XCHAL_HW_REL_LX3_0_0           1
+#define XCHAL_HW_CONFIGID_RELIABLE     1
+/*  If software targets a *range* of hardware versions, these are the bounds: */
+#define XCHAL_HW_MIN_VERSION_MAJOR     2300    /* major v of earliest tgt hw */
+#define XCHAL_HW_MIN_VERSION_MINOR     0       /* minor v of earliest tgt hw */
+#define XCHAL_HW_MIN_VERSION           230000  /* earliest targeted hw */
+#define XCHAL_HW_MAX_VERSION_MAJOR     2300    /* major v of latest tgt hw */
+#define XCHAL_HW_MAX_VERSION_MINOR     0       /* minor v of latest tgt hw */
+#define XCHAL_HW_MAX_VERSION           230000  /* latest targeted hw */
+
+
+/*----------------------------------------------------------------------
+                               CACHE
+  ----------------------------------------------------------------------*/
+
+#define XCHAL_ICACHE_LINESIZE          32      /* I-cache line size in bytes */
+#define XCHAL_DCACHE_LINESIZE          32      /* D-cache line size in bytes */
+#define XCHAL_ICACHE_LINEWIDTH         5       /* log2(I line size in bytes) */
+#define XCHAL_DCACHE_LINEWIDTH         5       /* log2(D line size in bytes) */
+
+#define XCHAL_ICACHE_SIZE              16384   /* I-cache size in bytes or 0 */
+#define XCHAL_DCACHE_SIZE              16384   /* D-cache size in bytes or 0 */
+
+#define XCHAL_DCACHE_IS_WRITEBACK      1       /* writeback feature */
+#define XCHAL_DCACHE_IS_COHERENT       1       /* MP coherence feature */
+
+
+
+
+/****************************************************************************
+    Parameters Useful for PRIVILEGED (Supervisory or Non-Virtualized) Code
+ ****************************************************************************/
+
+
+#ifndef XTENSA_HAL_NON_PRIVILEGED_ONLY
+
+/*----------------------------------------------------------------------
+                               CACHE
+  ----------------------------------------------------------------------*/
+
+#define XCHAL_HAVE_PIF                 1       /* any outbound PIF present */
+
+/*  If present, cache size in bytes == (ways * 2^(linewidth + setwidth)).  */
+
+/*  Number of cache sets in log2(lines per way):  */
+#define XCHAL_ICACHE_SETWIDTH          8
+#define XCHAL_DCACHE_SETWIDTH          8
+
+/*  Cache set associativity (number of ways):  */
+#define XCHAL_ICACHE_WAYS              2
+#define XCHAL_DCACHE_WAYS              2
+
+/*  Cache features:  */
+#define XCHAL_ICACHE_LINE_LOCKABLE     0
+#define XCHAL_DCACHE_LINE_LOCKABLE     0
+#define XCHAL_ICACHE_ECC_PARITY                0
+#define XCHAL_DCACHE_ECC_PARITY                0
+
+/*  Cache access size in bytes (affects operation of SICW instruction):  */
+#define XCHAL_ICACHE_ACCESS_SIZE       8
+#define XCHAL_DCACHE_ACCESS_SIZE       8
+
+/*  Number of encoded cache attr bits (see <xtensa/hal.h> for decoded bits):  */
+#define XCHAL_CA_BITS                  4
+
+
+/*----------------------------------------------------------------------
+                       INTERNAL I/D RAM/ROMs and XLMI
+  ----------------------------------------------------------------------*/
+
+#define XCHAL_NUM_INSTROM              0       /* number of core instr. ROMs */
+#define XCHAL_NUM_INSTRAM              0       /* number of core instr. RAMs */
+#define XCHAL_NUM_DATAROM              0       /* number of core data ROMs */
+#define XCHAL_NUM_DATARAM              0       /* number of core data RAMs */
+#define XCHAL_NUM_URAM                 0       /* number of core unified RAMs*/
+#define XCHAL_NUM_XLMI                 0       /* number of core XLMI ports */
+
+
+/*----------------------------------------------------------------------
+                       INTERRUPTS and TIMERS
+  ----------------------------------------------------------------------*/
+
+#define XCHAL_HAVE_INTERRUPTS          1       /* interrupt option */
+#define XCHAL_HAVE_HIGHPRI_INTERRUPTS  1       /* med/high-pri. interrupts */
+#define XCHAL_HAVE_NMI                 0       /* non-maskable interrupt */
+#define XCHAL_HAVE_CCOUNT              1       /* CCOUNT reg. (timer option) */
+#define XCHAL_NUM_TIMERS               2       /* number of CCOMPAREn regs */
+#define XCHAL_NUM_INTERRUPTS           12      /* number of interrupts */
+#define XCHAL_NUM_INTERRUPTS_LOG2      4       /* ceil(log2(NUM_INTERRUPTS)) */
+#define XCHAL_NUM_EXTINTERRUPTS                9       /* num of external interrupts */
+#define XCHAL_NUM_INTLEVELS            2       /* number of interrupt levels
+                                                  (not including level zero) */
+#define XCHAL_EXCM_LEVEL               1       /* level masked by PS.EXCM */
+       /* (always 1 in XEA1; levels 2 .. EXCM_LEVEL are "medium priority") */
+
+/*  Masks of interrupts at each interrupt level:  */
+#define XCHAL_INTLEVEL1_MASK           0x00000FFF
+#define XCHAL_INTLEVEL2_MASK           0x00000000
+#define XCHAL_INTLEVEL3_MASK           0x00000000
+#define XCHAL_INTLEVEL4_MASK           0x00000000
+#define XCHAL_INTLEVEL5_MASK           0x00000000
+#define XCHAL_INTLEVEL6_MASK           0x00000000
+#define XCHAL_INTLEVEL7_MASK           0x00000000
+
+/*  Masks of interrupts at each range 1..n of interrupt levels:  */
+#define XCHAL_INTLEVEL1_ANDBELOW_MASK  0x00000FFF
+#define XCHAL_INTLEVEL2_ANDBELOW_MASK  0x00000FFF
+#define XCHAL_INTLEVEL3_ANDBELOW_MASK  0x00000FFF
+#define XCHAL_INTLEVEL4_ANDBELOW_MASK  0x00000FFF
+#define XCHAL_INTLEVEL5_ANDBELOW_MASK  0x00000FFF
+#define XCHAL_INTLEVEL6_ANDBELOW_MASK  0x00000FFF
+#define XCHAL_INTLEVEL7_ANDBELOW_MASK  0x00000FFF
+
+/*  Level of each interrupt:  */
+#define XCHAL_INT0_LEVEL               1
+#define XCHAL_INT1_LEVEL               1
+#define XCHAL_INT2_LEVEL               1
+#define XCHAL_INT3_LEVEL               1
+#define XCHAL_INT4_LEVEL               1
+#define XCHAL_INT5_LEVEL               1
+#define XCHAL_INT6_LEVEL               1
+#define XCHAL_INT7_LEVEL               1
+#define XCHAL_INT8_LEVEL               1
+#define XCHAL_INT9_LEVEL               1
+#define XCHAL_INT10_LEVEL              1
+#define XCHAL_INT11_LEVEL              1
+#define XCHAL_DEBUGLEVEL               2       /* debug interrupt level */
+#define XCHAL_HAVE_DEBUG_EXTERN_INT    1       /* OCD external db interrupt */
+
+/*  Type of each interrupt:  */
+#define XCHAL_INT0_TYPE        XTHAL_INTTYPE_EXTERN_LEVEL
+#define XCHAL_INT1_TYPE        XTHAL_INTTYPE_EXTERN_LEVEL
+#define XCHAL_INT2_TYPE        XTHAL_INTTYPE_EXTERN_EDGE
+#define XCHAL_INT3_TYPE        XTHAL_INTTYPE_EXTERN_LEVEL
+#define XCHAL_INT4_TYPE        XTHAL_INTTYPE_EXTERN_LEVEL
+#define XCHAL_INT5_TYPE        XTHAL_INTTYPE_EXTERN_LEVEL
+#define XCHAL_INT6_TYPE        XTHAL_INTTYPE_TIMER
+#define XCHAL_INT7_TYPE        XTHAL_INTTYPE_SOFTWARE
+#define XCHAL_INT8_TYPE        XTHAL_INTTYPE_TIMER
+#define XCHAL_INT9_TYPE        XTHAL_INTTYPE_EXTERN_LEVEL
+#define XCHAL_INT10_TYPE       XTHAL_INTTYPE_EXTERN_LEVEL
+#define XCHAL_INT11_TYPE       XTHAL_INTTYPE_EXTERN_LEVEL
+
+/*  Masks of interrupts for each type of interrupt:  */
+#define XCHAL_INTTYPE_MASK_UNCONFIGURED        0xFFFFF000
+#define XCHAL_INTTYPE_MASK_SOFTWARE    0x00000080
+#define XCHAL_INTTYPE_MASK_EXTERN_EDGE 0x00000004
+#define XCHAL_INTTYPE_MASK_EXTERN_LEVEL        0x00000E3B
+#define XCHAL_INTTYPE_MASK_TIMER       0x00000140
+#define XCHAL_INTTYPE_MASK_NMI         0x00000000
+#define XCHAL_INTTYPE_MASK_WRITE_ERROR 0x00000000
+
+/*  Interrupt numbers assigned to specific interrupt sources:  */
+#define XCHAL_TIMER0_INTERRUPT         6       /* CCOMPARE0 */
+#define XCHAL_TIMER1_INTERRUPT         8       /* CCOMPARE1 */
+#define XCHAL_TIMER2_INTERRUPT         XTHAL_TIMER_UNCONFIGURED
+#define XCHAL_TIMER3_INTERRUPT         XTHAL_TIMER_UNCONFIGURED
+
+/*  Interrupt numbers for levels at which only one interrupt is configured:  */
+/*  (There are many interrupts each at level(s) 1.)  */
+
+
+/*
+ *  External interrupt vectors/levels.
+ *  These macros describe how Xtensa processor interrupt numbers
+ *  (as numbered internally, eg. in INTERRUPT and INTENABLE registers)
+ *  map to external BInterrupt<n> pins, for those interrupts
+ *  configured as external (level-triggered, edge-triggered, or NMI).
+ *  See the Xtensa processor databook for more details.
+ */
+
+/*  Core interrupt numbers mapped to each EXTERNAL interrupt number:  */
+#define XCHAL_EXTINT0_NUM              0       /* (intlevel 1) */
+#define XCHAL_EXTINT1_NUM              1       /* (intlevel 1) */
+#define XCHAL_EXTINT2_NUM              2       /* (intlevel 1) */
+#define XCHAL_EXTINT3_NUM              3       /* (intlevel 1) */
+#define XCHAL_EXTINT4_NUM              4       /* (intlevel 1) */
+#define XCHAL_EXTINT5_NUM              5       /* (intlevel 1) */
+#define XCHAL_EXTINT6_NUM              9       /* (intlevel 1) */
+#define XCHAL_EXTINT7_NUM              10      /* (intlevel 1) */
+#define XCHAL_EXTINT8_NUM              11      /* (intlevel 1) */
+
+
+/*----------------------------------------------------------------------
+                       EXCEPTIONS and VECTORS
+  ----------------------------------------------------------------------*/
+
+#define XCHAL_XEA_VERSION              2       /* Xtensa Exception Architecture
+                                                  number: 1 == XEA1 (old)
+                                                          2 == XEA2 (new)
+                                                          0 == XEAX (extern) */
+#define XCHAL_HAVE_XEA1                        0       /* Exception Architecture 1 */
+#define XCHAL_HAVE_XEA2                        1       /* Exception Architecture 2 */
+#define XCHAL_HAVE_XEAX                        0       /* External Exception Arch. */
+#define XCHAL_HAVE_EXCEPTIONS          1       /* exception option */
+#define XCHAL_HAVE_MEM_ECC_PARITY      0       /* local memory ECC/parity */
+#define XCHAL_HAVE_VECTOR_SELECT       1       /* relocatable vectors */
+#define XCHAL_HAVE_VECBASE             1       /* relocatable vectors */
+#define XCHAL_VECBASE_RESET_VADDR      0xD0000000  /* VECBASE reset value */
+#define XCHAL_VECBASE_RESET_PADDR      0x00000000
+#define XCHAL_RESET_VECBASE_OVERLAP    0
+
+#define XCHAL_RESET_VECTOR0_VADDR      0xFE000000
+#define XCHAL_RESET_VECTOR0_PADDR      0xFE000000
+#define XCHAL_RESET_VECTOR1_VADDR      0xD8000500
+#define XCHAL_RESET_VECTOR1_PADDR      0x00000500
+#define XCHAL_RESET_VECTOR_VADDR       0xFE000000
+#define XCHAL_RESET_VECTOR_PADDR       0xFE000000
+#define XCHAL_USER_VECOFS              0x00000340
+#define XCHAL_USER_VECTOR_VADDR                0xD0000340
+#define XCHAL_USER_VECTOR_PADDR                0x00000340
+#define XCHAL_KERNEL_VECOFS            0x00000300
+#define XCHAL_KERNEL_VECTOR_VADDR      0xD0000300
+#define XCHAL_KERNEL_VECTOR_PADDR      0x00000300
+#define XCHAL_DOUBLEEXC_VECOFS         0x000003C0
+#define XCHAL_DOUBLEEXC_VECTOR_VADDR   0xD00003C0
+#define XCHAL_DOUBLEEXC_VECTOR_PADDR   0x000003C0
+#define XCHAL_WINDOW_OF4_VECOFS                0x00000000
+#define XCHAL_WINDOW_UF4_VECOFS                0x00000040
+#define XCHAL_WINDOW_OF8_VECOFS                0x00000080
+#define XCHAL_WINDOW_UF8_VECOFS                0x000000C0
+#define XCHAL_WINDOW_OF12_VECOFS       0x00000100
+#define XCHAL_WINDOW_UF12_VECOFS       0x00000140
+#define XCHAL_WINDOW_VECTORS_VADDR     0xD0000000
+#define XCHAL_WINDOW_VECTORS_PADDR     0x00000000
+#define XCHAL_INTLEVEL2_VECOFS         0x00000280
+#define XCHAL_INTLEVEL2_VECTOR_VADDR   0xD0000280
+#define XCHAL_INTLEVEL2_VECTOR_PADDR   0x00000280
+#define XCHAL_DEBUG_VECOFS             XCHAL_INTLEVEL2_VECOFS
+#define XCHAL_DEBUG_VECTOR_VADDR       XCHAL_INTLEVEL2_VECTOR_VADDR
+#define XCHAL_DEBUG_VECTOR_PADDR       XCHAL_INTLEVEL2_VECTOR_PADDR
+
+
+/*----------------------------------------------------------------------
+                               DEBUG
+  ----------------------------------------------------------------------*/
+
+#define XCHAL_HAVE_OCD                 1       /* OnChipDebug option */
+#define XCHAL_NUM_IBREAK               0       /* number of IBREAKn regs */
+#define XCHAL_NUM_DBREAK               0       /* number of DBREAKn regs */
+#define XCHAL_HAVE_OCD_DIR_ARRAY       0       /* faster OCD option */
+
+
+/*----------------------------------------------------------------------
+                               MMU
+  ----------------------------------------------------------------------*/
+
+/*  See core-matmap.h header file for more details.  */
+
+#define XCHAL_HAVE_TLBS                        1       /* inverse of HAVE_CACHEATTR */
+#define XCHAL_HAVE_SPANNING_WAY                0       /* one way maps I+D 4GB vaddr */
+#define XCHAL_HAVE_IDENTITY_MAP                0       /* vaddr == paddr always */
+#define XCHAL_HAVE_CACHEATTR           0       /* CACHEATTR register present */
+#define XCHAL_HAVE_MIMIC_CACHEATTR     0       /* region protection */
+#define XCHAL_HAVE_XLT_CACHEATTR       0       /* region prot. w/translation */
+#define XCHAL_HAVE_PTP_MMU             1       /* full MMU (with page table
+                                                  [autorefill] and protection)
+                                                  usable for an MMU-based OS */
+/*  If none of the above last 4 are set, it's a custom TLB configuration.  */
+#define XCHAL_ITLB_ARF_ENTRIES_LOG2    2       /* log2(autorefill way size) */
+#define XCHAL_DTLB_ARF_ENTRIES_LOG2    2       /* log2(autorefill way size) */
+
+#define XCHAL_MMU_ASID_BITS            8       /* number of bits in ASIDs */
+#define XCHAL_MMU_RINGS                        4       /* number of rings (1..4) */
+#define XCHAL_MMU_RING_BITS            2       /* num of bits in RING field */
+
+#endif /* !XTENSA_HAL_NON_PRIVILEGED_ONLY */
+
+
+#endif /* _XTENSA_CORE_CONFIGURATION_H */
diff --git a/arch/xtensa/variants/test_mmuhifi_c3/include/variant/tie-asm.h b/arch/xtensa/variants/test_mmuhifi_c3/include/variant/tie-asm.h
new file mode 100644 (file)
index 0000000..6e9d69c
--- /dev/null
@@ -0,0 +1,182 @@
+/*
+ * This header file contains assembly-language definitions (assembly
+ * macros, etc.) for this specific Xtensa processor's TIE extensions
+ * and options.  It is customized to this Xtensa processor configuration.
+ *
+ * This file is subject to the terms and conditions of version 2.1 of the GNU
+ * Lesser General Public License as published by the Free Software Foundation.
+ *
+ * Copyright (C) 1999-2009 Tensilica Inc.
+ */
+
+#ifndef _XTENSA_CORE_TIE_ASM_H
+#define _XTENSA_CORE_TIE_ASM_H
+
+/*  Selection parameter values for save-area save/restore macros:  */
+/*  Option vs. TIE:  */
+#define XTHAL_SAS_TIE  0x0001  /* custom extension or coprocessor */
+#define XTHAL_SAS_OPT  0x0002  /* optional (and not a coprocessor) */
+/*  Whether used automatically by compiler:  */
+#define XTHAL_SAS_NOCC 0x0004  /* not used by compiler w/o special opts/code */
+#define XTHAL_SAS_CC   0x0008  /* used by compiler without special opts/code */
+/*  ABI handling across function calls:  */
+#define XTHAL_SAS_CALR 0x0010  /* caller-saved */
+#define XTHAL_SAS_CALE 0x0020  /* callee-saved */
+#define XTHAL_SAS_GLOB 0x0040  /* global across function calls (in thread) */
+/*  Misc  */
+#define XTHAL_SAS_ALL  0xFFFF  /* include all default NCP contents */
+
+
+
+/* Macro to save all non-coprocessor (extra) custom TIE and optional state
+ * (not including zero-overhead loop registers).
+ * Save area ptr (clobbered):  ptr  (8 byte aligned)
+ * Scratch regs  (clobbered):  at1..at4  (only first XCHAL_NCP_NUM_ATMPS needed)
+ */
+       .macro xchal_ncp_store  ptr at1 at2 at3 at4  continue=0 ofs=-1 select=XTHAL_SAS_ALL
+       xchal_sa_start  \continue, \ofs
+       .ifeq (XTHAL_SAS_OPT | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~\select
+       xchal_sa_align  \ptr, 0, 1024-4, 4, 4
+       rsr     \at1, BR                // boolean option
+       s32i    \at1, \ptr, .Lxchal_ofs_ + 0
+       .set    .Lxchal_ofs_, .Lxchal_ofs_ + 4
+       .endif
+       .ifeq (XTHAL_SAS_OPT | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~\select
+       xchal_sa_align  \ptr, 0, 1024-4, 4, 4
+       rsr     \at1, SCOMPARE1         // conditional store option
+       s32i    \at1, \ptr, .Lxchal_ofs_ + 0
+       .set    .Lxchal_ofs_, .Lxchal_ofs_ + 4
+       .endif
+       .ifeq (XTHAL_SAS_OPT | XTHAL_SAS_CC | XTHAL_SAS_GLOB) & ~\select
+       xchal_sa_align  \ptr, 0, 1024-4, 4, 4
+       rur     \at1, THREADPTR         // threadptr option
+       s32i    \at1, \ptr, .Lxchal_ofs_ + 0
+       .set    .Lxchal_ofs_, .Lxchal_ofs_ + 4
+       .endif
+       .endm   // xchal_ncp_store
+
+/* Macro to save all non-coprocessor (extra) custom TIE and optional state
+ * (not including zero-overhead loop registers).
+ * Save area ptr (clobbered):  ptr  (8 byte aligned)
+ * Scratch regs  (clobbered):  at1..at4  (only first XCHAL_NCP_NUM_ATMPS needed)
+ */
+       .macro xchal_ncp_load  ptr at1 at2 at3 at4  continue=0 ofs=-1 select=XTHAL_SAS_ALL
+       xchal_sa_start  \continue, \ofs
+       .ifeq (XTHAL_SAS_OPT | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~\select
+       xchal_sa_align  \ptr, 0, 1024-4, 4, 4
+       l32i    \at1, \ptr, .Lxchal_ofs_ + 0
+       wsr     \at1, BR                // boolean option
+       .set    .Lxchal_ofs_, .Lxchal_ofs_ + 4
+       .endif
+       .ifeq (XTHAL_SAS_OPT | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~\select
+       xchal_sa_align  \ptr, 0, 1024-4, 4, 4
+       l32i    \at1, \ptr, .Lxchal_ofs_ + 0
+       wsr     \at1, SCOMPARE1         // conditional store option
+       .set    .Lxchal_ofs_, .Lxchal_ofs_ + 4
+       .endif
+       .ifeq (XTHAL_SAS_OPT | XTHAL_SAS_CC | XTHAL_SAS_GLOB) & ~\select
+       xchal_sa_align  \ptr, 0, 1024-4, 4, 4
+       l32i    \at1, \ptr, .Lxchal_ofs_ + 0
+       wur     \at1, THREADPTR         // threadptr option
+       .set    .Lxchal_ofs_, .Lxchal_ofs_ + 4
+       .endif
+       .endm   // xchal_ncp_load
+
+
+
+#define XCHAL_NCP_NUM_ATMPS    1
+
+
+
+/* Macro to save the state of TIE coprocessor AudioEngineLX.
+ * Save area ptr (clobbered):  ptr  (8 byte aligned)
+ * Scratch regs  (clobbered):  at1..at4  (only first XCHAL_CP1_NUM_ATMPS needed)
+ */
+#define xchal_cp_AudioEngineLX_store   xchal_cp1_store
+/* #define xchal_cp_AudioEngineLX_store_a2     xchal_cp1_store a2 a3 a4 a5 a6 */
+       .macro  xchal_cp1_store  ptr at1 at2 at3 at4  continue=0 ofs=-1 select=XTHAL_SAS_ALL
+       xchal_sa_start \continue, \ofs
+       .ifeq (XTHAL_SAS_TIE | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~\select
+       xchal_sa_align  \ptr, 0, 0, 1, 8
+       rur240  \at1            // AE_OVF_SAR
+       s32i    \at1, \ptr, 0
+       rur241  \at1            // AE_BITHEAD
+       s32i    \at1, \ptr, 4
+       rur242  \at1            // AE_TS_FTS_BU_BP
+       s32i    \at1, \ptr, 8
+       rur243  \at1            // AE_SD_NO
+       s32i    \at1, \ptr, 12
+       AE_SP24X2S.I aep0, \ptr,  16
+       AE_SP24X2S.I aep1, \ptr,  24
+       AE_SP24X2S.I aep2, \ptr,  32
+       AE_SP24X2S.I aep3, \ptr,  40
+       AE_SP24X2S.I aep4, \ptr,  48
+       AE_SP24X2S.I aep5, \ptr,  56
+       addi    \ptr, \ptr, 64
+       AE_SP24X2S.I aep6, \ptr,  0
+       AE_SP24X2S.I aep7, \ptr,  8
+       AE_SQ56S.I aeq0, \ptr,  16
+       AE_SQ56S.I aeq1, \ptr,  24
+       AE_SQ56S.I aeq2, \ptr,  32
+       AE_SQ56S.I aeq3, \ptr,  40
+       .set    .Lxchal_pofs_, .Lxchal_pofs_ + 64
+       .set    .Lxchal_ofs_, .Lxchal_ofs_ + 112
+       .endif
+       .endm   // xchal_cp1_store
+
+/* Macro to restore the state of TIE coprocessor AudioEngineLX.
+ * Save area ptr (clobbered):  ptr  (8 byte aligned)
+ * Scratch regs  (clobbered):  at1..at4  (only first XCHAL_CP1_NUM_ATMPS needed)
+ */
+#define xchal_cp_AudioEngineLX_load    xchal_cp1_load
+/* #define xchal_cp_AudioEngineLX_load_a2      xchal_cp1_load a2 a3 a4 a5 a6 */
+       .macro  xchal_cp1_load  ptr at1 at2 at3 at4  continue=0 ofs=-1 select=XTHAL_SAS_ALL
+       xchal_sa_start \continue, \ofs
+       .ifeq (XTHAL_SAS_TIE | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~\select
+       xchal_sa_align  \ptr, 0, 0, 1, 8
+       l32i    \at1, \ptr, 0
+       wur240  \at1            // AE_OVF_SAR
+       l32i    \at1, \ptr, 4
+       wur241  \at1            // AE_BITHEAD
+       l32i    \at1, \ptr, 8
+       wur242  \at1            // AE_TS_FTS_BU_BP
+       l32i    \at1, \ptr, 12
+       wur243  \at1            // AE_SD_NO
+       addi    \ptr, \ptr, 80
+       AE_LQ56.I aeq0, \ptr,  0
+       AE_LQ56.I aeq1, \ptr,  8
+       AE_LQ56.I aeq2, \ptr,  16
+       AE_LQ56.I aeq3, \ptr,  24
+       AE_LP24X2.I aep0, \ptr,  -64
+       AE_LP24X2.I aep1, \ptr,  -56
+       AE_LP24X2.I aep2, \ptr,  -48
+       AE_LP24X2.I aep3, \ptr,  -40
+       AE_LP24X2.I aep4, \ptr,  -32
+       AE_LP24X2.I aep5, \ptr,  -24
+       AE_LP24X2.I aep6, \ptr,  -16
+       AE_LP24X2.I aep7, \ptr,  -8
+       .set    .Lxchal_pofs_, .Lxchal_pofs_ + 80
+       .set    .Lxchal_ofs_, .Lxchal_ofs_ + 112
+       .endif
+       .endm   // xchal_cp1_load
+
+#define XCHAL_CP1_NUM_ATMPS    1
+#define XCHAL_SA_NUM_ATMPS     1
+
+       /*  Empty macros for unconfigured coprocessors:  */
+       .macro xchal_cp0_store  p a b c d continue=0 ofs=-1 select=-1 ; .endm
+       .macro xchal_cp0_load   p a b c d continue=0 ofs=-1 select=-1 ; .endm
+       .macro xchal_cp2_store  p a b c d continue=0 ofs=-1 select=-1 ; .endm
+       .macro xchal_cp2_load   p a b c d continue=0 ofs=-1 select=-1 ; .endm
+       .macro xchal_cp3_store  p a b c d continue=0 ofs=-1 select=-1 ; .endm
+       .macro xchal_cp3_load   p a b c d continue=0 ofs=-1 select=-1 ; .endm
+       .macro xchal_cp4_store  p a b c d continue=0 ofs=-1 select=-1 ; .endm
+       .macro xchal_cp4_load   p a b c d continue=0 ofs=-1 select=-1 ; .endm
+       .macro xchal_cp5_store  p a b c d continue=0 ofs=-1 select=-1 ; .endm
+       .macro xchal_cp5_load   p a b c d continue=0 ofs=-1 select=-1 ; .endm
+       .macro xchal_cp6_store  p a b c d continue=0 ofs=-1 select=-1 ; .endm
+       .macro xchal_cp6_load   p a b c d continue=0 ofs=-1 select=-1 ; .endm
+       .macro xchal_cp7_store  p a b c d continue=0 ofs=-1 select=-1 ; .endm
+       .macro xchal_cp7_load   p a b c d continue=0 ofs=-1 select=-1 ; .endm
+
+#endif /*_XTENSA_CORE_TIE_ASM_H*/
diff --git a/arch/xtensa/variants/test_mmuhifi_c3/include/variant/tie.h b/arch/xtensa/variants/test_mmuhifi_c3/include/variant/tie.h
new file mode 100644 (file)
index 0000000..fb1f5f0
--- /dev/null
@@ -0,0 +1,140 @@
+/*
+ * This header file describes this specific Xtensa processor's TIE extensions
+ * that extend basic Xtensa core functionality.  It is customized to this
+ * Xtensa processor configuration.
+ *
+ * This file is subject to the terms and conditions of version 2.1 of the GNU
+ * Lesser General Public License as published by the Free Software Foundation.
+ *
+ * Copyright (C) 1999-2009 Tensilica Inc.
+ */
+
+#ifndef _XTENSA_CORE_TIE_H
+#define _XTENSA_CORE_TIE_H
+
+#define XCHAL_CP_NUM                   1       /* number of coprocessors */
+#define XCHAL_CP_MAX                   2       /* max CP ID + 1 (0 if none) */
+#define XCHAL_CP_MASK                  0x02    /* bitmask of all CPs by ID */
+#define XCHAL_CP_PORT_MASK             0x00    /* bitmask of only port CPs */
+
+/*  Basic parameters of each coprocessor:  */
+#define XCHAL_CP1_NAME                 "AudioEngineLX"
+#define XCHAL_CP1_IDENT                        AudioEngineLX
+#define XCHAL_CP1_SA_SIZE              112     /* size of state save area */
+#define XCHAL_CP1_SA_ALIGN             8       /* min alignment of save area */
+#define XCHAL_CP_ID_AUDIOENGINELX      1       /* coprocessor ID (0..7) */
+
+/*  Filler info for unassigned coprocessors, to simplify arrays etc:  */
+#define XCHAL_CP0_SA_SIZE              0
+#define XCHAL_CP0_SA_ALIGN             1
+#define XCHAL_CP2_SA_SIZE              0
+#define XCHAL_CP2_SA_ALIGN             1
+#define XCHAL_CP3_SA_SIZE              0
+#define XCHAL_CP3_SA_ALIGN             1
+#define XCHAL_CP4_SA_SIZE              0
+#define XCHAL_CP4_SA_ALIGN             1
+#define XCHAL_CP5_SA_SIZE              0
+#define XCHAL_CP5_SA_ALIGN             1
+#define XCHAL_CP6_SA_SIZE              0
+#define XCHAL_CP6_SA_ALIGN             1
+#define XCHAL_CP7_SA_SIZE              0
+#define XCHAL_CP7_SA_ALIGN             1
+
+/*  Save area for non-coprocessor optional and custom (TIE) state:  */
+#define XCHAL_NCP_SA_SIZE              12
+#define XCHAL_NCP_SA_ALIGN             4
+
+/*  Total save area for optional and custom state (NCP + CPn):  */
+#define XCHAL_TOTAL_SA_SIZE            128     /* with 16-byte align padding */
+#define XCHAL_TOTAL_SA_ALIGN           8       /* actual minimum alignment */
+
+/*
+ * Detailed contents of save areas.
+ * NOTE:  caller must define the XCHAL_SA_REG macro (not defined here)
+ * before expanding the XCHAL_xxx_SA_LIST() macros.
+ *
+ * XCHAL_SA_REG(s,ccused,abikind,kind,opt,name,galign,align,asize,
+ *             dbnum,base,regnum,bitsz,gapsz,reset,x...)
+ *
+ *     s = passed from XCHAL_*_LIST(s), eg. to select how to expand
+ *     ccused = set if used by compiler without special options or code
+ *     abikind = 0 (caller-saved), 1 (callee-saved), or 2 (thread-global)
+ *     kind = 0 (special reg), 1 (TIE user reg), or 2 (TIE regfile reg)
+ *     opt = 0 (custom TIE extension or coprocessor), or 1 (optional reg)
+ *     name = lowercase reg name (no quotes)
+ *     galign = group byte alignment (power of 2) (galign >= align)
+ *     align = register byte alignment (power of 2)
+ *     asize = allocated size in bytes (asize*8 == bitsz + gapsz + padsz)
+ *       (not including any pad bytes required to galign this or next reg)
+ *     dbnum = unique target number f/debug (see <xtensa-libdb-macros.h>)
+ *     base = reg shortname w/o index (or sr=special, ur=TIE user reg)
+ *     regnum = reg index in regfile, or special/TIE-user reg number
+ *     bitsz = number of significant bits (regfile width, or ur/sr mask bits)
+ *     gapsz = intervening bits, if bitsz bits not stored contiguously
+ *     (padsz = pad bits at end [TIE regfile] or at msbits [ur,sr] of asize)
+ *     reset = register reset value (or 0 if undefined at reset)
+ *     x = reserved for future use (0 until then)
+ *
+ *  To filter out certain registers, e.g. to expand only the non-global
+ *  registers used by the compiler, you can do something like this:
+ *
+ *  #define XCHAL_SA_REG(s,ccused,p...)        SELCC##ccused(p)
+ *  #define SELCC0(p...)
+ *  #define SELCC1(abikind,p...)       SELAK##abikind(p)
+ *  #define SELAK0(p...)               REG(p)
+ *  #define SELAK1(p...)               REG(p)
+ *  #define SELAK2(p...)
+ *  #define REG(kind,tie,name,galn,aln,asz,csz,dbnum,base,rnum,bsz,rst,x...) \
+ *             ...what you want to expand...
+ */
+
+#define XCHAL_NCP_SA_NUM       3
+#define XCHAL_NCP_SA_LIST(s)   \
+ XCHAL_SA_REG(s,0,0,0,1,             br, 4, 4, 4,0x0204,  sr,4  , 16,0,0,0) \
+ XCHAL_SA_REG(s,0,0,0,1,      scompare1, 4, 4, 4,0x020C,  sr,12 , 32,0,0,0) \
+ XCHAL_SA_REG(s,1,2,1,1,      threadptr, 4, 4, 4,0x03E7,  ur,231, 32,0,0,0)
+
+#define XCHAL_CP0_SA_NUM       0
+#define XCHAL_CP0_SA_LIST(s)   /* empty */
+
+#define XCHAL_CP1_SA_NUM       16
+#define XCHAL_CP1_SA_LIST(s)   \
+ XCHAL_SA_REG(s,0,0,1,0,     ae_ovf_sar, 8, 4, 4,0x03F0,  ur,240,  7,0,0,0) \
+ XCHAL_SA_REG(s,0,0,1,0,     ae_bithead, 4, 4, 4,0x03F1,  ur,241, 32,0,0,0) \
+ XCHAL_SA_REG(s,0,0,1,0,ae_ts_fts_bu_bp, 4, 4, 4,0x03F2,  ur,242, 16,0,0,0) \
+ XCHAL_SA_REG(s,0,0,1,0,       ae_sd_no, 4, 4, 4,0x03F3,  ur,243, 28,0,0,0) \
+ XCHAL_SA_REG(s,0,0,2,0,           aep0, 8, 8, 8,0x0060, aep,0  , 48,0,0,0) \
+ XCHAL_SA_REG(s,0,0,2,0,           aep1, 8, 8, 8,0x0061, aep,1  , 48,0,0,0) \
+ XCHAL_SA_REG(s,0,0,2,0,           aep2, 8, 8, 8,0x0062, aep,2  , 48,0,0,0) \
+ XCHAL_SA_REG(s,0,0,2,0,           aep3, 8, 8, 8,0x0063, aep,3  , 48,0,0,0) \
+ XCHAL_SA_REG(s,0,0,2,0,           aep4, 8, 8, 8,0x0064, aep,4  , 48,0,0,0) \
+ XCHAL_SA_REG(s,0,0,2,0,           aep5, 8, 8, 8,0x0065, aep,5  , 48,0,0,0) \
+ XCHAL_SA_REG(s,0,0,2,0,           aep6, 8, 8, 8,0x0066, aep,6  , 48,0,0,0) \
+ XCHAL_SA_REG(s,0,0,2,0,           aep7, 8, 8, 8,0x0067, aep,7  , 48,0,0,0) \
+ XCHAL_SA_REG(s,0,0,2,0,           aeq0, 8, 8, 8,0x0068, aeq,0  , 56,0,0,0) \
+ XCHAL_SA_REG(s,0,0,2,0,           aeq1, 8, 8, 8,0x0069, aeq,1  , 56,0,0,0) \
+ XCHAL_SA_REG(s,0,0,2,0,           aeq2, 8, 8, 8,0x006A, aeq,2  , 56,0,0,0) \
+ XCHAL_SA_REG(s,0,0,2,0,           aeq3, 8, 8, 8,0x006B, aeq,3  , 56,0,0,0)
+
+#define XCHAL_CP2_SA_NUM       0
+#define XCHAL_CP2_SA_LIST(s)   /* empty */
+
+#define XCHAL_CP3_SA_NUM       0
+#define XCHAL_CP3_SA_LIST(s)   /* empty */
+
+#define XCHAL_CP4_SA_NUM       0
+#define XCHAL_CP4_SA_LIST(s)   /* empty */
+
+#define XCHAL_CP5_SA_NUM       0
+#define XCHAL_CP5_SA_LIST(s)   /* empty */
+
+#define XCHAL_CP6_SA_NUM       0
+#define XCHAL_CP6_SA_LIST(s)   /* empty */
+
+#define XCHAL_CP7_SA_NUM       0
+#define XCHAL_CP7_SA_LIST(s)   /* empty */
+
+/* Byte length of instruction from its first nibble (op0 field), per FLIX.  */
+#define XCHAL_OP0_FORMAT_LENGTHS       3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,8
+
+#endif /*_XTENSA_CORE_TIE_H*/