xtensa: Add config files for Diamond 232L - Rev B processor variant

The Diamond 232L processor is a pre-configured Xtensa processor tailored
for Linux application.

Signed-off-by: Chris Zankel <chris@zankel.net>
This commit is contained in:
Chris Zankel 2008-10-21 09:11:43 -07:00
parent 00c81d23d3
commit 0025427eee
5 changed files with 684 additions and 1 deletions

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@ -63,7 +63,12 @@ choice
default XTENSA_VARIANT_FSF
config XTENSA_VARIANT_FSF
bool "fsf"
bool "fsf - default (not generic) configuration"
config XTENSA_VARIANT_DC232B
bool "dc232b - Diamond 232L Standard Core Rev.B (LE)"
help
This variant refers to Tensilica's Diamond 232L Standard core Rev.B (LE).
endchoice
config MMU

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@ -14,6 +14,7 @@
# (Use VAR=<xtensa_config> to use another default compiler.)
variant-$(CONFIG_XTENSA_VARIANT_FSF) := fsf
variant-$(CONFIG_XTENSA_VARIANT_DC232B) := dc232b
variant-$(CONFIG_XTENSA_VARIANT_LINUX_CUSTOM) := custom
VARIANT = $(variant-y)

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@ -0,0 +1,424 @@
/*
* Xtensa processor core configuration information.
*
* 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.
*
* Copyright (c) 1999-2007 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 3 /* 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 1 /* 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_THREADPTR 1 /* THREADPTR register */
#define XCHAL_HAVE_BOOLEANS 0 /* boolean registers */
#define XCHAL_HAVE_CP 1 /* CPENABLE reg (coprocessor) */
#define XCHAL_CP_MAXCFG 8 /* max allowed cp id plus one */
#define XCHAL_HAVE_MAC16 1 /* MAC16 package */
#define XCHAL_HAVE_VECTORFPU2005 0 /* vector floating-point pkg */
#define XCHAL_HAVE_FP 0 /* floating point pkg */
#define XCHAL_HAVE_VECTRA1 0 /* Vectra I pkg */
#define XCHAL_HAVE_VECTRALX 0 /* Vectra LX pkg */
#define XCHAL_HAVE_HIFI2 0 /* HiFi2 Audio Engine pkg */
/*----------------------------------------------------------------------
MISC
----------------------------------------------------------------------*/
#define XCHAL_NUM_WRITEBUFFER_ENTRIES 8 /* size of write buffer */
#define XCHAL_INST_FETCH_WIDTH 4 /* instr-fetch width in bytes */
#define XCHAL_DATA_WIDTH 4 /* 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_SW_VERSION 701001 /* sw version of this header */
#define XCHAL_CORE_ID "dc232b" /* alphanum core name
(CoreID) set in the Xtensa
Processor Generator */
#define XCHAL_CORE_DESCRIPTION "Diamond 232L Standard Core Rev.B (LE)"
#define XCHAL_BUILD_UNIQUE_ID 0x0000BEEF /* 22-bit sw build ID */
/*
* These definitions describe the hardware targeted by this software.
*/
#define XCHAL_HW_CONFIGID0 0xC56307FE /* ConfigID hi 32 bits*/
#define XCHAL_HW_CONFIGID1 0x0D40BEEF /* ConfigID lo 32 bits*/
#define XCHAL_HW_VERSION_NAME "LX2.1.1" /* full version name */
#define XCHAL_HW_VERSION_MAJOR 2210 /* major ver# of targeted hw */
#define XCHAL_HW_VERSION_MINOR 1 /* minor ver# of targeted hw */
#define XCHAL_HW_VERSION 221001 /* major*100+minor */
#define XCHAL_HW_REL_LX2 1
#define XCHAL_HW_REL_LX2_1 1
#define XCHAL_HW_REL_LX2_1_1 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 2210 /* major v of earliest tgt hw */
#define XCHAL_HW_MIN_VERSION_MINOR 1 /* minor v of earliest tgt hw */
#define XCHAL_HW_MIN_VERSION 221001 /* earliest targeted hw */
#define XCHAL_HW_MAX_VERSION_MAJOR 2210 /* major v of latest tgt hw */
#define XCHAL_HW_MAX_VERSION_MINOR 1 /* minor v of latest tgt hw */
#define XCHAL_HW_MAX_VERSION 221001 /* 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 */
/****************************************************************************
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 7
#define XCHAL_DCACHE_SETWIDTH 7
/* Cache set associativity (number of ways): */
#define XCHAL_ICACHE_WAYS 4
#define XCHAL_DCACHE_WAYS 4
/* Cache features: */
#define XCHAL_ICACHE_LINE_LOCKABLE 1
#define XCHAL_DCACHE_LINE_LOCKABLE 1
#define XCHAL_ICACHE_ECC_PARITY 0
#define XCHAL_DCACHE_ECC_PARITY 0
/* 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 1 /* non-maskable interrupt */
#define XCHAL_HAVE_CCOUNT 1 /* CCOUNT reg. (timer option) */
#define XCHAL_NUM_TIMERS 3 /* number of CCOMPAREn regs */
#define XCHAL_NUM_INTERRUPTS 22 /* number of interrupts */
#define XCHAL_NUM_INTERRUPTS_LOG2 5 /* ceil(log2(NUM_INTERRUPTS)) */
#define XCHAL_NUM_EXTINTERRUPTS 17 /* num of external interrupts */
#define XCHAL_NUM_INTLEVELS 6 /* number of interrupt levels
(not including level zero) */
#define XCHAL_EXCM_LEVEL 3 /* 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 0x001F80FF
#define XCHAL_INTLEVEL2_MASK 0x00000100
#define XCHAL_INTLEVEL3_MASK 0x00200E00
#define XCHAL_INTLEVEL4_MASK 0x00001000
#define XCHAL_INTLEVEL5_MASK 0x00002000
#define XCHAL_INTLEVEL6_MASK 0x00000000
#define XCHAL_INTLEVEL7_MASK 0x00004000
/* Masks of interrupts at each range 1..n of interrupt levels: */
#define XCHAL_INTLEVEL1_ANDBELOW_MASK 0x001F80FF
#define XCHAL_INTLEVEL2_ANDBELOW_MASK 0x001F81FF
#define XCHAL_INTLEVEL3_ANDBELOW_MASK 0x003F8FFF
#define XCHAL_INTLEVEL4_ANDBELOW_MASK 0x003F9FFF
#define XCHAL_INTLEVEL5_ANDBELOW_MASK 0x003FBFFF
#define XCHAL_INTLEVEL6_ANDBELOW_MASK 0x003FBFFF
#define XCHAL_INTLEVEL7_ANDBELOW_MASK 0x003FFFFF
/* 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 2
#define XCHAL_INT9_LEVEL 3
#define XCHAL_INT10_LEVEL 3
#define XCHAL_INT11_LEVEL 3
#define XCHAL_INT12_LEVEL 4
#define XCHAL_INT13_LEVEL 5
#define XCHAL_INT14_LEVEL 7
#define XCHAL_INT15_LEVEL 1
#define XCHAL_INT16_LEVEL 1
#define XCHAL_INT17_LEVEL 1
#define XCHAL_INT18_LEVEL 1
#define XCHAL_INT19_LEVEL 1
#define XCHAL_INT20_LEVEL 1
#define XCHAL_INT21_LEVEL 3
#define XCHAL_DEBUGLEVEL 6 /* debug interrupt level */
#define XCHAL_HAVE_DEBUG_EXTERN_INT 1 /* OCD external db interrupt */
#define XCHAL_NMILEVEL 7 /* NMI "level" (for use with
EXCSAVE/EPS/EPC_n, RFI n) */
/* 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_LEVEL
#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_EXTERN_LEVEL
#define XCHAL_INT9_TYPE XTHAL_INTTYPE_EXTERN_LEVEL
#define XCHAL_INT10_TYPE XTHAL_INTTYPE_TIMER
#define XCHAL_INT11_TYPE XTHAL_INTTYPE_SOFTWARE
#define XCHAL_INT12_TYPE XTHAL_INTTYPE_EXTERN_LEVEL
#define XCHAL_INT13_TYPE XTHAL_INTTYPE_TIMER
#define XCHAL_INT14_TYPE XTHAL_INTTYPE_NMI
#define XCHAL_INT15_TYPE XTHAL_INTTYPE_EXTERN_EDGE
#define XCHAL_INT16_TYPE XTHAL_INTTYPE_EXTERN_EDGE
#define XCHAL_INT17_TYPE XTHAL_INTTYPE_EXTERN_EDGE
#define XCHAL_INT18_TYPE XTHAL_INTTYPE_EXTERN_EDGE
#define XCHAL_INT19_TYPE XTHAL_INTTYPE_EXTERN_EDGE
#define XCHAL_INT20_TYPE XTHAL_INTTYPE_EXTERN_EDGE
#define XCHAL_INT21_TYPE XTHAL_INTTYPE_EXTERN_EDGE
/* Masks of interrupts for each type of interrupt: */
#define XCHAL_INTTYPE_MASK_UNCONFIGURED 0xFFC00000
#define XCHAL_INTTYPE_MASK_SOFTWARE 0x00000880
#define XCHAL_INTTYPE_MASK_EXTERN_EDGE 0x003F8000
#define XCHAL_INTTYPE_MASK_EXTERN_LEVEL 0x0000133F
#define XCHAL_INTTYPE_MASK_TIMER 0x00002440
#define XCHAL_INTTYPE_MASK_NMI 0x00004000
#define XCHAL_INTTYPE_MASK_WRITE_ERROR 0x00000000
/* Interrupt numbers assigned to specific interrupt sources: */
#define XCHAL_TIMER0_INTERRUPT 6 /* CCOMPARE0 */
#define XCHAL_TIMER1_INTERRUPT 10 /* CCOMPARE1 */
#define XCHAL_TIMER2_INTERRUPT 13 /* CCOMPARE2 */
#define XCHAL_TIMER3_INTERRUPT XTHAL_TIMER_UNCONFIGURED
#define XCHAL_NMI_INTERRUPT 14 /* non-maskable interrupt */
/* Interrupt numbers for levels at which only one interrupt is configured: */
#define XCHAL_INTLEVEL2_NUM 8
#define XCHAL_INTLEVEL4_NUM 12
#define XCHAL_INTLEVEL5_NUM 13
#define XCHAL_INTLEVEL7_NUM 14
/* (There are many interrupts each at level(s) 1, 3.) */
/*
* 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 8 /* (intlevel 2) */
#define XCHAL_EXTINT7_NUM 9 /* (intlevel 3) */
#define XCHAL_EXTINT8_NUM 12 /* (intlevel 4) */
#define XCHAL_EXTINT9_NUM 14 /* (intlevel 7) */
#define XCHAL_EXTINT10_NUM 15 /* (intlevel 1) */
#define XCHAL_EXTINT11_NUM 16 /* (intlevel 1) */
#define XCHAL_EXTINT12_NUM 17 /* (intlevel 1) */
#define XCHAL_EXTINT13_NUM 18 /* (intlevel 1) */
#define XCHAL_EXTINT14_NUM 19 /* (intlevel 1) */
#define XCHAL_EXTINT15_NUM 20 /* (intlevel 1) */
#define XCHAL_EXTINT16_NUM 21 /* (intlevel 3) */
/*----------------------------------------------------------------------
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 0x00000180
#define XCHAL_INTLEVEL2_VECTOR_VADDR 0xD0000180
#define XCHAL_INTLEVEL2_VECTOR_PADDR 0x00000180
#define XCHAL_INTLEVEL3_VECOFS 0x000001C0
#define XCHAL_INTLEVEL3_VECTOR_VADDR 0xD00001C0
#define XCHAL_INTLEVEL3_VECTOR_PADDR 0x000001C0
#define XCHAL_INTLEVEL4_VECOFS 0x00000200
#define XCHAL_INTLEVEL4_VECTOR_VADDR 0xD0000200
#define XCHAL_INTLEVEL4_VECTOR_PADDR 0x00000200
#define XCHAL_INTLEVEL5_VECOFS 0x00000240
#define XCHAL_INTLEVEL5_VECTOR_VADDR 0xD0000240
#define XCHAL_INTLEVEL5_VECTOR_PADDR 0x00000240
#define XCHAL_INTLEVEL6_VECOFS 0x00000280
#define XCHAL_INTLEVEL6_VECTOR_VADDR 0xD0000280
#define XCHAL_INTLEVEL6_VECTOR_PADDR 0x00000280
#define XCHAL_DEBUG_VECOFS XCHAL_INTLEVEL6_VECOFS
#define XCHAL_DEBUG_VECTOR_VADDR XCHAL_INTLEVEL6_VECTOR_VADDR
#define XCHAL_DEBUG_VECTOR_PADDR XCHAL_INTLEVEL6_VECTOR_PADDR
#define XCHAL_NMI_VECOFS 0x000002C0
#define XCHAL_NMI_VECTOR_VADDR 0xD00002C0
#define XCHAL_NMI_VECTOR_PADDR 0x000002C0
#define XCHAL_INTLEVEL7_VECOFS XCHAL_NMI_VECOFS
#define XCHAL_INTLEVEL7_VECTOR_VADDR XCHAL_NMI_VECTOR_VADDR
#define XCHAL_INTLEVEL7_VECTOR_PADDR XCHAL_NMI_VECTOR_PADDR
/*----------------------------------------------------------------------
DEBUG
----------------------------------------------------------------------*/
#define XCHAL_HAVE_OCD 1 /* OnChipDebug option */
#define XCHAL_NUM_IBREAK 2 /* number of IBREAKn regs */
#define XCHAL_NUM_DBREAK 2 /* number of DBREAKn regs */
#define XCHAL_HAVE_OCD_DIR_ARRAY 1 /* 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 */

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@ -0,0 +1,122 @@
/*
* 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 the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 1999-2007 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 (1 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_CC | XTHAL_SAS_CALR) & ~\select
xchal_sa_align \ptr, 0, 1024-8, 4, 4
rsr \at1, ACCLO // MAC16 accumulator
rsr \at2, ACCHI
s32i \at1, \ptr, .Lxchal_ofs_ + 0
s32i \at2, \ptr, .Lxchal_ofs_ + 4
.set .Lxchal_ofs_, .Lxchal_ofs_ + 8
.endif
.ifeq (XTHAL_SAS_OPT | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~\select
xchal_sa_align \ptr, 0, 1024-16, 4, 4
rsr \at1, M0 // MAC16 registers
rsr \at2, M1
s32i \at1, \ptr, .Lxchal_ofs_ + 0
s32i \at2, \ptr, .Lxchal_ofs_ + 4
rsr \at1, M2
rsr \at2, M3
s32i \at1, \ptr, .Lxchal_ofs_ + 8
s32i \at2, \ptr, .Lxchal_ofs_ + 12
.set .Lxchal_ofs_, .Lxchal_ofs_ + 16
.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 (1 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_CC | XTHAL_SAS_CALR) & ~\select
xchal_sa_align \ptr, 0, 1024-8, 4, 4
l32i \at1, \ptr, .Lxchal_ofs_ + 0
l32i \at2, \ptr, .Lxchal_ofs_ + 4
wsr \at1, ACCLO // MAC16 accumulator
wsr \at2, ACCHI
.set .Lxchal_ofs_, .Lxchal_ofs_ + 8
.endif
.ifeq (XTHAL_SAS_OPT | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~\select
xchal_sa_align \ptr, 0, 1024-16, 4, 4
l32i \at1, \ptr, .Lxchal_ofs_ + 0
l32i \at2, \ptr, .Lxchal_ofs_ + 4
wsr \at1, M0 // MAC16 registers
wsr \at2, M1
l32i \at1, \ptr, .Lxchal_ofs_ + 8
l32i \at2, \ptr, .Lxchal_ofs_ + 12
wsr \at1, M2
wsr \at2, M3
.set .Lxchal_ofs_, .Lxchal_ofs_ + 16
.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 2
#define XCHAL_SA_NUM_ATMPS 2
#endif /*_XTENSA_CORE_TIE_ASM_H*/

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/*
* 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 the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 1999-2007 Tensilica Inc.
*/
#ifndef _XTENSA_CORE_TIE_H
#define _XTENSA_CORE_TIE_H
#define XCHAL_CP_NUM 1 /* number of coprocessors */
#define XCHAL_CP_MAX 8 /* max CP ID + 1 (0 if none) */
#define XCHAL_CP_MASK 0x80 /* bitmask of all CPs by ID */
#define XCHAL_CP_PORT_MASK 0x80 /* bitmask of only port CPs */
/* Basic parameters of each coprocessor: */
#define XCHAL_CP7_NAME "XTIOP"
#define XCHAL_CP7_IDENT XTIOP
#define XCHAL_CP7_SA_SIZE 0 /* size of state save area */
#define XCHAL_CP7_SA_ALIGN 1 /* min alignment of save area */
#define XCHAL_CP_ID_XTIOP 7 /* 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_CP1_SA_SIZE 0
#define XCHAL_CP1_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
/* Save area for non-coprocessor optional and custom (TIE) state: */
#define XCHAL_NCP_SA_SIZE 32
#define XCHAL_NCP_SA_ALIGN 4
/* Total save area for optional and custom state (NCP + CPn): */
#define XCHAL_TOTAL_SA_SIZE 32 /* with 16-byte align padding */
#define XCHAL_TOTAL_SA_ALIGN 4 /* 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 8
#define XCHAL_NCP_SA_LIST(s) \
XCHAL_SA_REG(s,1,0,0,1, acclo, 4, 4, 4,0x0210, sr,16 , 32,0,0,0) \
XCHAL_SA_REG(s,1,0,0,1, acchi, 4, 4, 4,0x0211, sr,17 , 8,0,0,0) \
XCHAL_SA_REG(s,0,0,0,1, m0, 4, 4, 4,0x0220, sr,32 , 32,0,0,0) \
XCHAL_SA_REG(s,0,0,0,1, m1, 4, 4, 4,0x0221, sr,33 , 32,0,0,0) \
XCHAL_SA_REG(s,0,0,0,1, m2, 4, 4, 4,0x0222, sr,34 , 32,0,0,0) \
XCHAL_SA_REG(s,0,0,0,1, m3, 4, 4, 4,0x0223, sr,35 , 32,0,0,0) \
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 0
#define XCHAL_CP1_SA_LIST(s) /* empty */
#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 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3
#endif /*_XTENSA_CORE_TIE_H*/