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>
diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig
index 02e417d..2369ec6 100644
--- a/arch/xtensa/Kconfig
+++ b/arch/xtensa/Kconfig
@@ -63,7 +63,12 @@
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
diff --git a/arch/xtensa/Makefile b/arch/xtensa/Makefile
index 4bd1e14..015b6b2 100644
--- a/arch/xtensa/Makefile
+++ b/arch/xtensa/Makefile
@@ -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)
diff --git a/include/asm-xtensa/variant-dc232b/core.h b/include/asm-xtensa/variant-dc232b/core.h
new file mode 100644
index 0000000..525bd3d
--- /dev/null
+++ b/include/asm-xtensa/variant-dc232b/core.h
@@ -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 */
+
diff --git a/include/asm-xtensa/variant-dc232b/tie-asm.h b/include/asm-xtensa/variant-dc232b/tie-asm.h
new file mode 100644
index 0000000..ed4f53f
--- /dev/null
+++ b/include/asm-xtensa/variant-dc232b/tie-asm.h
@@ -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*/
+
diff --git a/include/asm-xtensa/variant-dc232b/tie.h b/include/asm-xtensa/variant-dc232b/tie.h
new file mode 100644
index 0000000..018e81a
--- /dev/null
+++ b/include/asm-xtensa/variant-dc232b/tie.h
@@ -0,0 +1,131 @@
+/*
+ * 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*/
+