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authorLinus Torvalds <torvalds@linux-foundation.org>2008-10-23 12:16:56 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-10-23 12:16:56 -0400
commit5a439c565799cb8d290d71ce375e86be64d43a4b (patch)
treeb7933dced01add02249af35f5497e77cd11dbfdf /include/asm-xtensa
parent94b6da5ab8293b04a300ba35c72eddfa94db8b02 (diff)
parent0025427eee4b5c005b4ac7a6489adc773e38611d (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/czankel/xtensa-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/czankel/xtensa-2.6: xtensa: Add config files for Diamond 232L - Rev B processor variant xtensa: Fix io regions xtensa: Add support for the Sonic Ethernet device for the XT2000 board. xtensa: replace remaining __FUNCTION__ occurrences xtensa: use newer __SPIN_LOCK_UNLOCKED macro XTENSA: warn about including <asm/rwsem.h> directly.
Diffstat (limited to 'include/asm-xtensa')
-rw-r--r--include/asm-xtensa/io.h8
-rw-r--r--include/asm-xtensa/rwsem.h4
-rw-r--r--include/asm-xtensa/variant-dc232b/core.h424
-rw-r--r--include/asm-xtensa/variant-dc232b/tie-asm.h122
-rw-r--r--include/asm-xtensa/variant-dc232b/tie.h131
5 files changed, 686 insertions, 3 deletions
diff --git a/include/asm-xtensa/io.h b/include/asm-xtensa/io.h
index 47c3616ea9ac..07b7299dab20 100644
--- a/include/asm-xtensa/io.h
+++ b/include/asm-xtensa/io.h
@@ -18,10 +18,12 @@
18 18
19#include <linux/types.h> 19#include <linux/types.h>
20 20
21#define XCHAL_KIO_CACHED_VADDR 0xf0000000 21#define XCHAL_KIO_CACHED_VADDR 0xe0000000
22#define XCHAL_KIO_BYPASS_VADDR 0xf8000000 22#define XCHAL_KIO_BYPASS_VADDR 0xf0000000
23#define XCHAL_KIO_PADDR 0xf0000000 23#define XCHAL_KIO_PADDR 0xf0000000
24#define XCHAL_KIO_SIZE 0x08000000 24#define XCHAL_KIO_SIZE 0x10000000
25
26#define IOADDR(x) (XCHAL_KIO_BYPASS_VADDR + (x))
25 27
26/* 28/*
27 * swap functions to change byte order from little-endian to big-endian and 29 * swap functions to change byte order from little-endian to big-endian and
diff --git a/include/asm-xtensa/rwsem.h b/include/asm-xtensa/rwsem.h
index 0aad3a587551..e39edf5c86f2 100644
--- a/include/asm-xtensa/rwsem.h
+++ b/include/asm-xtensa/rwsem.h
@@ -13,6 +13,10 @@
13#ifndef _XTENSA_RWSEM_H 13#ifndef _XTENSA_RWSEM_H
14#define _XTENSA_RWSEM_H 14#define _XTENSA_RWSEM_H
15 15
16#ifndef _LINUX_RWSEM_H
17#error "Please don't include <asm/rwsem.h> directly, use <linux/rwsem.h> instead."
18#endif
19
16#include <linux/list.h> 20#include <linux/list.h>
17#include <linux/spinlock.h> 21#include <linux/spinlock.h>
18#include <asm/atomic.h> 22#include <asm/atomic.h>
diff --git a/include/asm-xtensa/variant-dc232b/core.h b/include/asm-xtensa/variant-dc232b/core.h
new file mode 100644
index 000000000000..525bd3d90154
--- /dev/null
+++ b/include/asm-xtensa/variant-dc232b/core.h
@@ -0,0 +1,424 @@
1/*
2 * Xtensa processor core configuration information.
3 *
4 * This file is subject to the terms and conditions of the GNU General Public
5 * License. See the file "COPYING" in the main directory of this archive
6 * for more details.
7 *
8 * Copyright (c) 1999-2007 Tensilica Inc.
9 */
10
11#ifndef _XTENSA_CORE_CONFIGURATION_H
12#define _XTENSA_CORE_CONFIGURATION_H
13
14
15/****************************************************************************
16 Parameters Useful for Any Code, USER or PRIVILEGED
17 ****************************************************************************/
18
19/*
20 * Note: Macros of the form XCHAL_HAVE_*** have a value of 1 if the option is
21 * configured, and a value of 0 otherwise. These macros are always defined.
22 */
23
24
25/*----------------------------------------------------------------------
26 ISA
27 ----------------------------------------------------------------------*/
28
29#define XCHAL_HAVE_BE 0 /* big-endian byte ordering */
30#define XCHAL_HAVE_WINDOWED 1 /* windowed registers option */
31#define XCHAL_NUM_AREGS 32 /* num of physical addr regs */
32#define XCHAL_NUM_AREGS_LOG2 5 /* log2(XCHAL_NUM_AREGS) */
33#define XCHAL_MAX_INSTRUCTION_SIZE 3 /* max instr bytes (3..8) */
34#define XCHAL_HAVE_DEBUG 1 /* debug option */
35#define XCHAL_HAVE_DENSITY 1 /* 16-bit instructions */
36#define XCHAL_HAVE_LOOPS 1 /* zero-overhead loops */
37#define XCHAL_HAVE_NSA 1 /* NSA/NSAU instructions */
38#define XCHAL_HAVE_MINMAX 1 /* MIN/MAX instructions */
39#define XCHAL_HAVE_SEXT 1 /* SEXT instruction */
40#define XCHAL_HAVE_CLAMPS 1 /* CLAMPS instruction */
41#define XCHAL_HAVE_MUL16 1 /* MUL16S/MUL16U instructions */
42#define XCHAL_HAVE_MUL32 1 /* MULL instruction */
43#define XCHAL_HAVE_MUL32_HIGH 0 /* MULUH/MULSH instructions */
44#define XCHAL_HAVE_DIV32 1 /* QUOS/QUOU/REMS/REMU instructions */
45#define XCHAL_HAVE_L32R 1 /* L32R instruction */
46#define XCHAL_HAVE_ABSOLUTE_LITERALS 1 /* non-PC-rel (extended) L32R */
47#define XCHAL_HAVE_CONST16 0 /* CONST16 instruction */
48#define XCHAL_HAVE_ADDX 1 /* ADDX#/SUBX# instructions */
49#define XCHAL_HAVE_WIDE_BRANCHES 0 /* B*.W18 or B*.W15 instr's */
50#define XCHAL_HAVE_PREDICTED_BRANCHES 0 /* B[EQ/EQZ/NE/NEZ]T instr's */
51#define XCHAL_HAVE_CALL4AND12 1 /* (obsolete option) */
52#define XCHAL_HAVE_ABS 1 /* ABS instruction */
53/*#define XCHAL_HAVE_POPC 0*/ /* POPC instruction */
54/*#define XCHAL_HAVE_CRC 0*/ /* CRC instruction */
55#define XCHAL_HAVE_RELEASE_SYNC 1 /* L32AI/S32RI instructions */
56#define XCHAL_HAVE_S32C1I 1 /* S32C1I instruction */
57#define XCHAL_HAVE_SPECULATION 0 /* speculation */
58#define XCHAL_HAVE_FULL_RESET 1 /* all regs/state reset */
59#define XCHAL_NUM_CONTEXTS 1 /* */
60#define XCHAL_NUM_MISC_REGS 2 /* num of scratch regs (0..4) */
61#define XCHAL_HAVE_TAP_MASTER 0 /* JTAG TAP control instr's */
62#define XCHAL_HAVE_PRID 1 /* processor ID register */
63#define XCHAL_HAVE_THREADPTR 1 /* THREADPTR register */
64#define XCHAL_HAVE_BOOLEANS 0 /* boolean registers */
65#define XCHAL_HAVE_CP 1 /* CPENABLE reg (coprocessor) */
66#define XCHAL_CP_MAXCFG 8 /* max allowed cp id plus one */
67#define XCHAL_HAVE_MAC16 1 /* MAC16 package */
68#define XCHAL_HAVE_VECTORFPU2005 0 /* vector floating-point pkg */
69#define XCHAL_HAVE_FP 0 /* floating point pkg */
70#define XCHAL_HAVE_VECTRA1 0 /* Vectra I pkg */
71#define XCHAL_HAVE_VECTRALX 0 /* Vectra LX pkg */
72#define XCHAL_HAVE_HIFI2 0 /* HiFi2 Audio Engine pkg */
73
74
75/*----------------------------------------------------------------------
76 MISC
77 ----------------------------------------------------------------------*/
78
79#define XCHAL_NUM_WRITEBUFFER_ENTRIES 8 /* size of write buffer */
80#define XCHAL_INST_FETCH_WIDTH 4 /* instr-fetch width in bytes */
81#define XCHAL_DATA_WIDTH 4 /* data width in bytes */
82/* In T1050, applies to selected core load and store instructions (see ISA): */
83#define XCHAL_UNALIGNED_LOAD_EXCEPTION 1 /* unaligned loads cause exc. */
84#define XCHAL_UNALIGNED_STORE_EXCEPTION 1 /* unaligned stores cause exc.*/
85
86#define XCHAL_SW_VERSION 701001 /* sw version of this header */
87
88#define XCHAL_CORE_ID "dc232b" /* alphanum core name
89 (CoreID) set in the Xtensa
90 Processor Generator */
91
92#define XCHAL_CORE_DESCRIPTION "Diamond 232L Standard Core Rev.B (LE)"
93#define XCHAL_BUILD_UNIQUE_ID 0x0000BEEF /* 22-bit sw build ID */
94
95/*
96 * These definitions describe the hardware targeted by this software.
97 */
98#define XCHAL_HW_CONFIGID0 0xC56307FE /* ConfigID hi 32 bits*/
99#define XCHAL_HW_CONFIGID1 0x0D40BEEF /* ConfigID lo 32 bits*/
100#define XCHAL_HW_VERSION_NAME "LX2.1.1" /* full version name */
101#define XCHAL_HW_VERSION_MAJOR 2210 /* major ver# of targeted hw */
102#define XCHAL_HW_VERSION_MINOR 1 /* minor ver# of targeted hw */
103#define XCHAL_HW_VERSION 221001 /* major*100+minor */
104#define XCHAL_HW_REL_LX2 1
105#define XCHAL_HW_REL_LX2_1 1
106#define XCHAL_HW_REL_LX2_1_1 1
107#define XCHAL_HW_CONFIGID_RELIABLE 1
108/* If software targets a *range* of hardware versions, these are the bounds: */
109#define XCHAL_HW_MIN_VERSION_MAJOR 2210 /* major v of earliest tgt hw */
110#define XCHAL_HW_MIN_VERSION_MINOR 1 /* minor v of earliest tgt hw */
111#define XCHAL_HW_MIN_VERSION 221001 /* earliest targeted hw */
112#define XCHAL_HW_MAX_VERSION_MAJOR 2210 /* major v of latest tgt hw */
113#define XCHAL_HW_MAX_VERSION_MINOR 1 /* minor v of latest tgt hw */
114#define XCHAL_HW_MAX_VERSION 221001 /* latest targeted hw */
115
116
117/*----------------------------------------------------------------------
118 CACHE
119 ----------------------------------------------------------------------*/
120
121#define XCHAL_ICACHE_LINESIZE 32 /* I-cache line size in bytes */
122#define XCHAL_DCACHE_LINESIZE 32 /* D-cache line size in bytes */
123#define XCHAL_ICACHE_LINEWIDTH 5 /* log2(I line size in bytes) */
124#define XCHAL_DCACHE_LINEWIDTH 5 /* log2(D line size in bytes) */
125
126#define XCHAL_ICACHE_SIZE 16384 /* I-cache size in bytes or 0 */
127#define XCHAL_DCACHE_SIZE 16384 /* D-cache size in bytes or 0 */
128
129#define XCHAL_DCACHE_IS_WRITEBACK 1 /* writeback feature */
130
131
132
133
134/****************************************************************************
135 Parameters Useful for PRIVILEGED (Supervisory or Non-Virtualized) Code
136 ****************************************************************************/
137
138
139#ifndef XTENSA_HAL_NON_PRIVILEGED_ONLY
140
141/*----------------------------------------------------------------------
142 CACHE
143 ----------------------------------------------------------------------*/
144
145#define XCHAL_HAVE_PIF 1 /* any outbound PIF present */
146
147/* If present, cache size in bytes == (ways * 2^(linewidth + setwidth)). */
148
149/* Number of cache sets in log2(lines per way): */
150#define XCHAL_ICACHE_SETWIDTH 7
151#define XCHAL_DCACHE_SETWIDTH 7
152
153/* Cache set associativity (number of ways): */
154#define XCHAL_ICACHE_WAYS 4
155#define XCHAL_DCACHE_WAYS 4
156
157/* Cache features: */
158#define XCHAL_ICACHE_LINE_LOCKABLE 1
159#define XCHAL_DCACHE_LINE_LOCKABLE 1
160#define XCHAL_ICACHE_ECC_PARITY 0
161#define XCHAL_DCACHE_ECC_PARITY 0
162
163/* Number of encoded cache attr bits (see <xtensa/hal.h> for decoded bits): */
164#define XCHAL_CA_BITS 4
165
166
167/*----------------------------------------------------------------------
168 INTERNAL I/D RAM/ROMs and XLMI
169 ----------------------------------------------------------------------*/
170
171#define XCHAL_NUM_INSTROM 0 /* number of core instr. ROMs */
172#define XCHAL_NUM_INSTRAM 0 /* number of core instr. RAMs */
173#define XCHAL_NUM_DATAROM 0 /* number of core data ROMs */
174#define XCHAL_NUM_DATARAM 0 /* number of core data RAMs */
175#define XCHAL_NUM_URAM 0 /* number of core unified RAMs*/
176#define XCHAL_NUM_XLMI 0 /* number of core XLMI ports */
177
178
179/*----------------------------------------------------------------------
180 INTERRUPTS and TIMERS
181 ----------------------------------------------------------------------*/
182
183#define XCHAL_HAVE_INTERRUPTS 1 /* interrupt option */
184#define XCHAL_HAVE_HIGHPRI_INTERRUPTS 1 /* med/high-pri. interrupts */
185#define XCHAL_HAVE_NMI 1 /* non-maskable interrupt */
186#define XCHAL_HAVE_CCOUNT 1 /* CCOUNT reg. (timer option) */
187#define XCHAL_NUM_TIMERS 3 /* number of CCOMPAREn regs */
188#define XCHAL_NUM_INTERRUPTS 22 /* number of interrupts */
189#define XCHAL_NUM_INTERRUPTS_LOG2 5 /* ceil(log2(NUM_INTERRUPTS)) */
190#define XCHAL_NUM_EXTINTERRUPTS 17 /* num of external interrupts */
191#define XCHAL_NUM_INTLEVELS 6 /* number of interrupt levels
192 (not including level zero) */
193#define XCHAL_EXCM_LEVEL 3 /* level masked by PS.EXCM */
194 /* (always 1 in XEA1; levels 2 .. EXCM_LEVEL are "medium priority") */
195
196/* Masks of interrupts at each interrupt level: */
197#define XCHAL_INTLEVEL1_MASK 0x001F80FF
198#define XCHAL_INTLEVEL2_MASK 0x00000100
199#define XCHAL_INTLEVEL3_MASK 0x00200E00
200#define XCHAL_INTLEVEL4_MASK 0x00001000
201#define XCHAL_INTLEVEL5_MASK 0x00002000
202#define XCHAL_INTLEVEL6_MASK 0x00000000
203#define XCHAL_INTLEVEL7_MASK 0x00004000
204
205/* Masks of interrupts at each range 1..n of interrupt levels: */
206#define XCHAL_INTLEVEL1_ANDBELOW_MASK 0x001F80FF
207#define XCHAL_INTLEVEL2_ANDBELOW_MASK 0x001F81FF
208#define XCHAL_INTLEVEL3_ANDBELOW_MASK 0x003F8FFF
209#define XCHAL_INTLEVEL4_ANDBELOW_MASK 0x003F9FFF
210#define XCHAL_INTLEVEL5_ANDBELOW_MASK 0x003FBFFF
211#define XCHAL_INTLEVEL6_ANDBELOW_MASK 0x003FBFFF
212#define XCHAL_INTLEVEL7_ANDBELOW_MASK 0x003FFFFF
213
214/* Level of each interrupt: */
215#define XCHAL_INT0_LEVEL 1
216#define XCHAL_INT1_LEVEL 1
217#define XCHAL_INT2_LEVEL 1
218#define XCHAL_INT3_LEVEL 1
219#define XCHAL_INT4_LEVEL 1
220#define XCHAL_INT5_LEVEL 1
221#define XCHAL_INT6_LEVEL 1
222#define XCHAL_INT7_LEVEL 1
223#define XCHAL_INT8_LEVEL 2
224#define XCHAL_INT9_LEVEL 3
225#define XCHAL_INT10_LEVEL 3
226#define XCHAL_INT11_LEVEL 3
227#define XCHAL_INT12_LEVEL 4
228#define XCHAL_INT13_LEVEL 5
229#define XCHAL_INT14_LEVEL 7
230#define XCHAL_INT15_LEVEL 1
231#define XCHAL_INT16_LEVEL 1
232#define XCHAL_INT17_LEVEL 1
233#define XCHAL_INT18_LEVEL 1
234#define XCHAL_INT19_LEVEL 1
235#define XCHAL_INT20_LEVEL 1
236#define XCHAL_INT21_LEVEL 3
237#define XCHAL_DEBUGLEVEL 6 /* debug interrupt level */
238#define XCHAL_HAVE_DEBUG_EXTERN_INT 1 /* OCD external db interrupt */
239#define XCHAL_NMILEVEL 7 /* NMI "level" (for use with
240 EXCSAVE/EPS/EPC_n, RFI n) */
241
242/* Type of each interrupt: */
243#define XCHAL_INT0_TYPE XTHAL_INTTYPE_EXTERN_LEVEL
244#define XCHAL_INT1_TYPE XTHAL_INTTYPE_EXTERN_LEVEL
245#define XCHAL_INT2_TYPE XTHAL_INTTYPE_EXTERN_LEVEL
246#define XCHAL_INT3_TYPE XTHAL_INTTYPE_EXTERN_LEVEL
247#define XCHAL_INT4_TYPE XTHAL_INTTYPE_EXTERN_LEVEL
248#define XCHAL_INT5_TYPE XTHAL_INTTYPE_EXTERN_LEVEL
249#define XCHAL_INT6_TYPE XTHAL_INTTYPE_TIMER
250#define XCHAL_INT7_TYPE XTHAL_INTTYPE_SOFTWARE
251#define XCHAL_INT8_TYPE XTHAL_INTTYPE_EXTERN_LEVEL
252#define XCHAL_INT9_TYPE XTHAL_INTTYPE_EXTERN_LEVEL
253#define XCHAL_INT10_TYPE XTHAL_INTTYPE_TIMER
254#define XCHAL_INT11_TYPE XTHAL_INTTYPE_SOFTWARE
255#define XCHAL_INT12_TYPE XTHAL_INTTYPE_EXTERN_LEVEL
256#define XCHAL_INT13_TYPE XTHAL_INTTYPE_TIMER
257#define XCHAL_INT14_TYPE XTHAL_INTTYPE_NMI
258#define XCHAL_INT15_TYPE XTHAL_INTTYPE_EXTERN_EDGE
259#define XCHAL_INT16_TYPE XTHAL_INTTYPE_EXTERN_EDGE
260#define XCHAL_INT17_TYPE XTHAL_INTTYPE_EXTERN_EDGE
261#define XCHAL_INT18_TYPE XTHAL_INTTYPE_EXTERN_EDGE
262#define XCHAL_INT19_TYPE XTHAL_INTTYPE_EXTERN_EDGE
263#define XCHAL_INT20_TYPE XTHAL_INTTYPE_EXTERN_EDGE
264#define XCHAL_INT21_TYPE XTHAL_INTTYPE_EXTERN_EDGE
265
266/* Masks of interrupts for each type of interrupt: */
267#define XCHAL_INTTYPE_MASK_UNCONFIGURED 0xFFC00000
268#define XCHAL_INTTYPE_MASK_SOFTWARE 0x00000880
269#define XCHAL_INTTYPE_MASK_EXTERN_EDGE 0x003F8000
270#define XCHAL_INTTYPE_MASK_EXTERN_LEVEL 0x0000133F
271#define XCHAL_INTTYPE_MASK_TIMER 0x00002440
272#define XCHAL_INTTYPE_MASK_NMI 0x00004000
273#define XCHAL_INTTYPE_MASK_WRITE_ERROR 0x00000000
274
275/* Interrupt numbers assigned to specific interrupt sources: */
276#define XCHAL_TIMER0_INTERRUPT 6 /* CCOMPARE0 */
277#define XCHAL_TIMER1_INTERRUPT 10 /* CCOMPARE1 */
278#define XCHAL_TIMER2_INTERRUPT 13 /* CCOMPARE2 */
279#define XCHAL_TIMER3_INTERRUPT XTHAL_TIMER_UNCONFIGURED
280#define XCHAL_NMI_INTERRUPT 14 /* non-maskable interrupt */
281
282/* Interrupt numbers for levels at which only one interrupt is configured: */
283#define XCHAL_INTLEVEL2_NUM 8
284#define XCHAL_INTLEVEL4_NUM 12
285#define XCHAL_INTLEVEL5_NUM 13
286#define XCHAL_INTLEVEL7_NUM 14
287/* (There are many interrupts each at level(s) 1, 3.) */
288
289
290/*
291 * External interrupt vectors/levels.
292 * These macros describe how Xtensa processor interrupt numbers
293 * (as numbered internally, eg. in INTERRUPT and INTENABLE registers)
294 * map to external BInterrupt<n> pins, for those interrupts
295 * configured as external (level-triggered, edge-triggered, or NMI).
296 * See the Xtensa processor databook for more details.
297 */
298
299/* Core interrupt numbers mapped to each EXTERNAL interrupt number: */
300#define XCHAL_EXTINT0_NUM 0 /* (intlevel 1) */
301#define XCHAL_EXTINT1_NUM 1 /* (intlevel 1) */
302#define XCHAL_EXTINT2_NUM 2 /* (intlevel 1) */
303#define XCHAL_EXTINT3_NUM 3 /* (intlevel 1) */
304#define XCHAL_EXTINT4_NUM 4 /* (intlevel 1) */
305#define XCHAL_EXTINT5_NUM 5 /* (intlevel 1) */
306#define XCHAL_EXTINT6_NUM 8 /* (intlevel 2) */
307#define XCHAL_EXTINT7_NUM 9 /* (intlevel 3) */
308#define XCHAL_EXTINT8_NUM 12 /* (intlevel 4) */
309#define XCHAL_EXTINT9_NUM 14 /* (intlevel 7) */
310#define XCHAL_EXTINT10_NUM 15 /* (intlevel 1) */
311#define XCHAL_EXTINT11_NUM 16 /* (intlevel 1) */
312#define XCHAL_EXTINT12_NUM 17 /* (intlevel 1) */
313#define XCHAL_EXTINT13_NUM 18 /* (intlevel 1) */
314#define XCHAL_EXTINT14_NUM 19 /* (intlevel 1) */
315#define XCHAL_EXTINT15_NUM 20 /* (intlevel 1) */
316#define XCHAL_EXTINT16_NUM 21 /* (intlevel 3) */
317
318
319/*----------------------------------------------------------------------
320 EXCEPTIONS and VECTORS
321 ----------------------------------------------------------------------*/
322
323#define XCHAL_XEA_VERSION 2 /* Xtensa Exception Architecture
324 number: 1 == XEA1 (old)
325 2 == XEA2 (new)
326 0 == XEAX (extern) */
327#define XCHAL_HAVE_XEA1 0 /* Exception Architecture 1 */
328#define XCHAL_HAVE_XEA2 1 /* Exception Architecture 2 */
329#define XCHAL_HAVE_XEAX 0 /* External Exception Arch. */
330#define XCHAL_HAVE_EXCEPTIONS 1 /* exception option */
331#define XCHAL_HAVE_MEM_ECC_PARITY 0 /* local memory ECC/parity */
332#define XCHAL_HAVE_VECTOR_SELECT 1 /* relocatable vectors */
333#define XCHAL_HAVE_VECBASE 1 /* relocatable vectors */
334#define XCHAL_VECBASE_RESET_VADDR 0xD0000000 /* VECBASE reset value */
335#define XCHAL_VECBASE_RESET_PADDR 0x00000000
336#define XCHAL_RESET_VECBASE_OVERLAP 0
337
338#define XCHAL_RESET_VECTOR0_VADDR 0xFE000000
339#define XCHAL_RESET_VECTOR0_PADDR 0xFE000000
340#define XCHAL_RESET_VECTOR1_VADDR 0xD8000500
341#define XCHAL_RESET_VECTOR1_PADDR 0x00000500
342#define XCHAL_RESET_VECTOR_VADDR 0xFE000000
343#define XCHAL_RESET_VECTOR_PADDR 0xFE000000
344#define XCHAL_USER_VECOFS 0x00000340
345#define XCHAL_USER_VECTOR_VADDR 0xD0000340
346#define XCHAL_USER_VECTOR_PADDR 0x00000340
347#define XCHAL_KERNEL_VECOFS 0x00000300
348#define XCHAL_KERNEL_VECTOR_VADDR 0xD0000300
349#define XCHAL_KERNEL_VECTOR_PADDR 0x00000300
350#define XCHAL_DOUBLEEXC_VECOFS 0x000003C0
351#define XCHAL_DOUBLEEXC_VECTOR_VADDR 0xD00003C0
352#define XCHAL_DOUBLEEXC_VECTOR_PADDR 0x000003C0
353#define XCHAL_WINDOW_OF4_VECOFS 0x00000000
354#define XCHAL_WINDOW_UF4_VECOFS 0x00000040
355#define XCHAL_WINDOW_OF8_VECOFS 0x00000080
356#define XCHAL_WINDOW_UF8_VECOFS 0x000000C0
357#define XCHAL_WINDOW_OF12_VECOFS 0x00000100
358#define XCHAL_WINDOW_UF12_VECOFS 0x00000140
359#define XCHAL_WINDOW_VECTORS_VADDR 0xD0000000
360#define XCHAL_WINDOW_VECTORS_PADDR 0x00000000
361#define XCHAL_INTLEVEL2_VECOFS 0x00000180
362#define XCHAL_INTLEVEL2_VECTOR_VADDR 0xD0000180
363#define XCHAL_INTLEVEL2_VECTOR_PADDR 0x00000180
364#define XCHAL_INTLEVEL3_VECOFS 0x000001C0
365#define XCHAL_INTLEVEL3_VECTOR_VADDR 0xD00001C0
366#define XCHAL_INTLEVEL3_VECTOR_PADDR 0x000001C0
367#define XCHAL_INTLEVEL4_VECOFS 0x00000200
368#define XCHAL_INTLEVEL4_VECTOR_VADDR 0xD0000200
369#define XCHAL_INTLEVEL4_VECTOR_PADDR 0x00000200
370#define XCHAL_INTLEVEL5_VECOFS 0x00000240
371#define XCHAL_INTLEVEL5_VECTOR_VADDR 0xD0000240
372#define XCHAL_INTLEVEL5_VECTOR_PADDR 0x00000240
373#define XCHAL_INTLEVEL6_VECOFS 0x00000280
374#define XCHAL_INTLEVEL6_VECTOR_VADDR 0xD0000280
375#define XCHAL_INTLEVEL6_VECTOR_PADDR 0x00000280
376#define XCHAL_DEBUG_VECOFS XCHAL_INTLEVEL6_VECOFS
377#define XCHAL_DEBUG_VECTOR_VADDR XCHAL_INTLEVEL6_VECTOR_VADDR
378#define XCHAL_DEBUG_VECTOR_PADDR XCHAL_INTLEVEL6_VECTOR_PADDR
379#define XCHAL_NMI_VECOFS 0x000002C0
380#define XCHAL_NMI_VECTOR_VADDR 0xD00002C0
381#define XCHAL_NMI_VECTOR_PADDR 0x000002C0
382#define XCHAL_INTLEVEL7_VECOFS XCHAL_NMI_VECOFS
383#define XCHAL_INTLEVEL7_VECTOR_VADDR XCHAL_NMI_VECTOR_VADDR
384#define XCHAL_INTLEVEL7_VECTOR_PADDR XCHAL_NMI_VECTOR_PADDR
385
386
387/*----------------------------------------------------------------------
388 DEBUG
389 ----------------------------------------------------------------------*/
390
391#define XCHAL_HAVE_OCD 1 /* OnChipDebug option */
392#define XCHAL_NUM_IBREAK 2 /* number of IBREAKn regs */
393#define XCHAL_NUM_DBREAK 2 /* number of DBREAKn regs */
394#define XCHAL_HAVE_OCD_DIR_ARRAY 1 /* faster OCD option */
395
396
397/*----------------------------------------------------------------------
398 MMU
399 ----------------------------------------------------------------------*/
400
401/* See core-matmap.h header file for more details. */
402
403#define XCHAL_HAVE_TLBS 1 /* inverse of HAVE_CACHEATTR */
404#define XCHAL_HAVE_SPANNING_WAY 0 /* one way maps I+D 4GB vaddr */
405#define XCHAL_HAVE_IDENTITY_MAP 0 /* vaddr == paddr always */
406#define XCHAL_HAVE_CACHEATTR 0 /* CACHEATTR register present */
407#define XCHAL_HAVE_MIMIC_CACHEATTR 0 /* region protection */
408#define XCHAL_HAVE_XLT_CACHEATTR 0 /* region prot. w/translation */
409#define XCHAL_HAVE_PTP_MMU 1 /* full MMU (with page table
410 [autorefill] and protection)
411 usable for an MMU-based OS */
412/* If none of the above last 4 are set, it's a custom TLB configuration. */
413#define XCHAL_ITLB_ARF_ENTRIES_LOG2 2 /* log2(autorefill way size) */
414#define XCHAL_DTLB_ARF_ENTRIES_LOG2 2 /* log2(autorefill way size) */
415
416#define XCHAL_MMU_ASID_BITS 8 /* number of bits in ASIDs */
417#define XCHAL_MMU_RINGS 4 /* number of rings (1..4) */
418#define XCHAL_MMU_RING_BITS 2 /* num of bits in RING field */
419
420#endif /* !XTENSA_HAL_NON_PRIVILEGED_ONLY */
421
422
423#endif /* _XTENSA_CORE_CONFIGURATION_H */
424
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 000000000000..ed4f53f529db
--- /dev/null
+++ b/include/asm-xtensa/variant-dc232b/tie-asm.h
@@ -0,0 +1,122 @@
1/*
2 * This header file contains assembly-language definitions (assembly
3 * macros, etc.) for this specific Xtensa processor's TIE extensions
4 * and options. It is customized to this Xtensa processor configuration.
5 *
6 * This file is subject to the terms and conditions of the GNU General Public
7 * License. See the file "COPYING" in the main directory of this archive
8 * for more details.
9 *
10 * Copyright (C) 1999-2007 Tensilica Inc.
11 */
12
13#ifndef _XTENSA_CORE_TIE_ASM_H
14#define _XTENSA_CORE_TIE_ASM_H
15
16/* Selection parameter values for save-area save/restore macros: */
17/* Option vs. TIE: */
18#define XTHAL_SAS_TIE 0x0001 /* custom extension or coprocessor */
19#define XTHAL_SAS_OPT 0x0002 /* optional (and not a coprocessor) */
20/* Whether used automatically by compiler: */
21#define XTHAL_SAS_NOCC 0x0004 /* not used by compiler w/o special opts/code */
22#define XTHAL_SAS_CC 0x0008 /* used by compiler without special opts/code */
23/* ABI handling across function calls: */
24#define XTHAL_SAS_CALR 0x0010 /* caller-saved */
25#define XTHAL_SAS_CALE 0x0020 /* callee-saved */
26#define XTHAL_SAS_GLOB 0x0040 /* global across function calls (in thread) */
27/* Misc */
28#define XTHAL_SAS_ALL 0xFFFF /* include all default NCP contents */
29
30
31
32/* Macro to save all non-coprocessor (extra) custom TIE and optional state
33 * (not including zero-overhead loop registers).
34 * Save area ptr (clobbered): ptr (1 byte aligned)
35 * Scratch regs (clobbered): at1..at4 (only first XCHAL_NCP_NUM_ATMPS needed)
36 */
37 .macro xchal_ncp_store ptr at1 at2 at3 at4 continue=0 ofs=-1 select=XTHAL_SAS_ALL
38 xchal_sa_start \continue, \ofs
39 .ifeq (XTHAL_SAS_OPT | XTHAL_SAS_CC | XTHAL_SAS_CALR) & ~\select
40 xchal_sa_align \ptr, 0, 1024-8, 4, 4
41 rsr \at1, ACCLO // MAC16 accumulator
42 rsr \at2, ACCHI
43 s32i \at1, \ptr, .Lxchal_ofs_ + 0
44 s32i \at2, \ptr, .Lxchal_ofs_ + 4
45 .set .Lxchal_ofs_, .Lxchal_ofs_ + 8
46 .endif
47 .ifeq (XTHAL_SAS_OPT | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~\select
48 xchal_sa_align \ptr, 0, 1024-16, 4, 4
49 rsr \at1, M0 // MAC16 registers
50 rsr \at2, M1
51 s32i \at1, \ptr, .Lxchal_ofs_ + 0
52 s32i \at2, \ptr, .Lxchal_ofs_ + 4
53 rsr \at1, M2
54 rsr \at2, M3
55 s32i \at1, \ptr, .Lxchal_ofs_ + 8
56 s32i \at2, \ptr, .Lxchal_ofs_ + 12
57 .set .Lxchal_ofs_, .Lxchal_ofs_ + 16
58 .endif
59 .ifeq (XTHAL_SAS_OPT | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~\select
60 xchal_sa_align \ptr, 0, 1024-4, 4, 4
61 rsr \at1, SCOMPARE1 // conditional store option
62 s32i \at1, \ptr, .Lxchal_ofs_ + 0
63 .set .Lxchal_ofs_, .Lxchal_ofs_ + 4
64 .endif
65 .ifeq (XTHAL_SAS_OPT | XTHAL_SAS_CC | XTHAL_SAS_GLOB) & ~\select
66 xchal_sa_align \ptr, 0, 1024-4, 4, 4
67 rur \at1, THREADPTR // threadptr option
68 s32i \at1, \ptr, .Lxchal_ofs_ + 0
69 .set .Lxchal_ofs_, .Lxchal_ofs_ + 4
70 .endif
71 .endm // xchal_ncp_store
72
73/* Macro to save all non-coprocessor (extra) custom TIE and optional state
74 * (not including zero-overhead loop registers).
75 * Save area ptr (clobbered): ptr (1 byte aligned)
76 * Scratch regs (clobbered): at1..at4 (only first XCHAL_NCP_NUM_ATMPS needed)
77 */
78 .macro xchal_ncp_load ptr at1 at2 at3 at4 continue=0 ofs=-1 select=XTHAL_SAS_ALL
79 xchal_sa_start \continue, \ofs
80 .ifeq (XTHAL_SAS_OPT | XTHAL_SAS_CC | XTHAL_SAS_CALR) & ~\select
81 xchal_sa_align \ptr, 0, 1024-8, 4, 4
82 l32i \at1, \ptr, .Lxchal_ofs_ + 0
83 l32i \at2, \ptr, .Lxchal_ofs_ + 4
84 wsr \at1, ACCLO // MAC16 accumulator
85 wsr \at2, ACCHI
86 .set .Lxchal_ofs_, .Lxchal_ofs_ + 8
87 .endif
88 .ifeq (XTHAL_SAS_OPT | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~\select
89 xchal_sa_align \ptr, 0, 1024-16, 4, 4
90 l32i \at1, \ptr, .Lxchal_ofs_ + 0
91 l32i \at2, \ptr, .Lxchal_ofs_ + 4
92 wsr \at1, M0 // MAC16 registers
93 wsr \at2, M1
94 l32i \at1, \ptr, .Lxchal_ofs_ + 8
95 l32i \at2, \ptr, .Lxchal_ofs_ + 12
96 wsr \at1, M2
97 wsr \at2, M3
98 .set .Lxchal_ofs_, .Lxchal_ofs_ + 16
99 .endif
100 .ifeq (XTHAL_SAS_OPT | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~\select
101 xchal_sa_align \ptr, 0, 1024-4, 4, 4
102 l32i \at1, \ptr, .Lxchal_ofs_ + 0
103 wsr \at1, SCOMPARE1 // conditional store option
104 .set .Lxchal_ofs_, .Lxchal_ofs_ + 4
105 .endif
106 .ifeq (XTHAL_SAS_OPT | XTHAL_SAS_CC | XTHAL_SAS_GLOB) & ~\select
107 xchal_sa_align \ptr, 0, 1024-4, 4, 4
108 l32i \at1, \ptr, .Lxchal_ofs_ + 0
109 wur \at1, THREADPTR // threadptr option
110 .set .Lxchal_ofs_, .Lxchal_ofs_ + 4
111 .endif
112 .endm // xchal_ncp_load
113
114
115
116#define XCHAL_NCP_NUM_ATMPS 2
117
118
119#define XCHAL_SA_NUM_ATMPS 2
120
121#endif /*_XTENSA_CORE_TIE_ASM_H*/
122
diff --git a/include/asm-xtensa/variant-dc232b/tie.h b/include/asm-xtensa/variant-dc232b/tie.h
new file mode 100644
index 000000000000..018e81af4393
--- /dev/null
+++ b/include/asm-xtensa/variant-dc232b/tie.h
@@ -0,0 +1,131 @@
1/*
2 * This header file describes this specific Xtensa processor's TIE extensions
3 * that extend basic Xtensa core functionality. It is customized to this
4 * Xtensa processor configuration.
5 *
6 * This file is subject to the terms and conditions of the GNU General Public
7 * License. See the file "COPYING" in the main directory of this archive
8 * for more details.
9 *
10 * Copyright (C) 1999-2007 Tensilica Inc.
11 */
12
13#ifndef _XTENSA_CORE_TIE_H
14#define _XTENSA_CORE_TIE_H
15
16#define XCHAL_CP_NUM 1 /* number of coprocessors */
17#define XCHAL_CP_MAX 8 /* max CP ID + 1 (0 if none) */
18#define XCHAL_CP_MASK 0x80 /* bitmask of all CPs by ID */
19#define XCHAL_CP_PORT_MASK 0x80 /* bitmask of only port CPs */
20
21/* Basic parameters of each coprocessor: */
22#define XCHAL_CP7_NAME "XTIOP"
23#define XCHAL_CP7_IDENT XTIOP
24#define XCHAL_CP7_SA_SIZE 0 /* size of state save area */
25#define XCHAL_CP7_SA_ALIGN 1 /* min alignment of save area */
26#define XCHAL_CP_ID_XTIOP 7 /* coprocessor ID (0..7) */
27
28/* Filler info for unassigned coprocessors, to simplify arrays etc: */
29#define XCHAL_CP0_SA_SIZE 0
30#define XCHAL_CP0_SA_ALIGN 1
31#define XCHAL_CP1_SA_SIZE 0
32#define XCHAL_CP1_SA_ALIGN 1
33#define XCHAL_CP2_SA_SIZE 0
34#define XCHAL_CP2_SA_ALIGN 1
35#define XCHAL_CP3_SA_SIZE 0
36#define XCHAL_CP3_SA_ALIGN 1
37#define XCHAL_CP4_SA_SIZE 0
38#define XCHAL_CP4_SA_ALIGN 1
39#define XCHAL_CP5_SA_SIZE 0
40#define XCHAL_CP5_SA_ALIGN 1
41#define XCHAL_CP6_SA_SIZE 0
42#define XCHAL_CP6_SA_ALIGN 1
43
44/* Save area for non-coprocessor optional and custom (TIE) state: */
45#define XCHAL_NCP_SA_SIZE 32
46#define XCHAL_NCP_SA_ALIGN 4
47
48/* Total save area for optional and custom state (NCP + CPn): */
49#define XCHAL_TOTAL_SA_SIZE 32 /* with 16-byte align padding */
50#define XCHAL_TOTAL_SA_ALIGN 4 /* actual minimum alignment */
51
52/*
53 * Detailed contents of save areas.
54 * NOTE: caller must define the XCHAL_SA_REG macro (not defined here)
55 * before expanding the XCHAL_xxx_SA_LIST() macros.
56 *
57 * XCHAL_SA_REG(s,ccused,abikind,kind,opt,name,galign,align,asize,
58 * dbnum,base,regnum,bitsz,gapsz,reset,x...)
59 *
60 * s = passed from XCHAL_*_LIST(s), eg. to select how to expand
61 * ccused = set if used by compiler without special options or code
62 * abikind = 0 (caller-saved), 1 (callee-saved), or 2 (thread-global)
63 * kind = 0 (special reg), 1 (TIE user reg), or 2 (TIE regfile reg)
64 * opt = 0 (custom TIE extension or coprocessor), or 1 (optional reg)
65 * name = lowercase reg name (no quotes)
66 * galign = group byte alignment (power of 2) (galign >= align)
67 * align = register byte alignment (power of 2)
68 * asize = allocated size in bytes (asize*8 == bitsz + gapsz + padsz)
69 * (not including any pad bytes required to galign this or next reg)
70 * dbnum = unique target number f/debug (see <xtensa-libdb-macros.h>)
71 * base = reg shortname w/o index (or sr=special, ur=TIE user reg)
72 * regnum = reg index in regfile, or special/TIE-user reg number
73 * bitsz = number of significant bits (regfile width, or ur/sr mask bits)
74 * gapsz = intervening bits, if bitsz bits not stored contiguously
75 * (padsz = pad bits at end [TIE regfile] or at msbits [ur,sr] of asize)
76 * reset = register reset value (or 0 if undefined at reset)
77 * x = reserved for future use (0 until then)
78 *
79 * To filter out certain registers, e.g. to expand only the non-global
80 * registers used by the compiler, you can do something like this:
81 *
82 * #define XCHAL_SA_REG(s,ccused,p...) SELCC##ccused(p)
83 * #define SELCC0(p...)
84 * #define SELCC1(abikind,p...) SELAK##abikind(p)
85 * #define SELAK0(p...) REG(p)
86 * #define SELAK1(p...) REG(p)
87 * #define SELAK2(p...)
88 * #define REG(kind,tie,name,galn,aln,asz,csz,dbnum,base,rnum,bsz,rst,x...) \
89 * ...what you want to expand...
90 */
91
92#define XCHAL_NCP_SA_NUM 8
93#define XCHAL_NCP_SA_LIST(s) \
94 XCHAL_SA_REG(s,1,0,0,1, acclo, 4, 4, 4,0x0210, sr,16 , 32,0,0,0) \
95 XCHAL_SA_REG(s,1,0,0,1, acchi, 4, 4, 4,0x0211, sr,17 , 8,0,0,0) \
96 XCHAL_SA_REG(s,0,0,0,1, m0, 4, 4, 4,0x0220, sr,32 , 32,0,0,0) \
97 XCHAL_SA_REG(s,0,0,0,1, m1, 4, 4, 4,0x0221, sr,33 , 32,0,0,0) \
98 XCHAL_SA_REG(s,0,0,0,1, m2, 4, 4, 4,0x0222, sr,34 , 32,0,0,0) \
99 XCHAL_SA_REG(s,0,0,0,1, m3, 4, 4, 4,0x0223, sr,35 , 32,0,0,0) \
100 XCHAL_SA_REG(s,0,0,0,1, scompare1, 4, 4, 4,0x020C, sr,12 , 32,0,0,0) \
101 XCHAL_SA_REG(s,1,2,1,1, threadptr, 4, 4, 4,0x03E7, ur,231, 32,0,0,0)
102
103#define XCHAL_CP0_SA_NUM 0
104#define XCHAL_CP0_SA_LIST(s) /* empty */
105
106#define XCHAL_CP1_SA_NUM 0
107#define XCHAL_CP1_SA_LIST(s) /* empty */
108
109#define XCHAL_CP2_SA_NUM 0
110#define XCHAL_CP2_SA_LIST(s) /* empty */
111
112#define XCHAL_CP3_SA_NUM 0
113#define XCHAL_CP3_SA_LIST(s) /* empty */
114
115#define XCHAL_CP4_SA_NUM 0
116#define XCHAL_CP4_SA_LIST(s) /* empty */
117
118#define XCHAL_CP5_SA_NUM 0
119#define XCHAL_CP5_SA_LIST(s) /* empty */
120
121#define XCHAL_CP6_SA_NUM 0
122#define XCHAL_CP6_SA_LIST(s) /* empty */
123
124#define XCHAL_CP7_SA_NUM 0
125#define XCHAL_CP7_SA_LIST(s) /* empty */
126
127/* Byte length of instruction from its first nibble (op0 field), per FLIX. */
128#define XCHAL_OP0_FORMAT_LENGTHS 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3
129
130#endif /*_XTENSA_CORE_TIE_H*/
131