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authorScott Telford <stelford@cadence.com>2016-09-08 11:41:24 -0400
committerMax Filippov <jcmvbkbc@gmail.com>2016-09-09 21:39:09 -0400
commit23c2b9321b30f947b4f908e40379eed50f48508c (patch)
tree6711b0a36ac4838432064b1b9877c4aa7c993e8b
parent73a3eed0a4800cbe9d99cc6447fed8309d7fcb97 (diff)
xtensa: Added Cadence CSP kernel configuration for Xtensa
Added defconfig, device tree and Xtensa variant header files for the Cadence Configurable System Platform "xt_lnx" processor configuration. Signed-off-by: Scott Telford <stelford@cadence.com> Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Diffstat
-rw-r--r--arch/xtensa/boot/dts/csp.dts54
-rw-r--r--arch/xtensa/configs/cadence_csp_defconfig122
-rw-r--r--arch/xtensa/variants/csp/include/variant/core.h575
-rw-r--r--arch/xtensa/variants/csp/include/variant/tie-asm.h194
-rw-r--r--arch/xtensa/variants/csp/include/variant/tie.h161
5 files changed, 1106 insertions, 0 deletions
diff --git a/arch/xtensa/boot/dts/csp.dts b/arch/xtensa/boot/dts/csp.dts
new file mode 100644
index 000000000000..197aeadb3f90
--- /dev/null
+++ b/arch/xtensa/boot/dts/csp.dts
@@ -0,0 +1,54 @@
1/dts-v1/;
2
3/ {
4 compatible = "cdns,xtensa-xtfpga";
5 #address-cells = <1>;
6 #size-cells = <1>;
7 interrupt-parent = <&pic>;
8
9 chosen {
10 bootargs = "earlycon=cdns,0xfd000000,115200 console=tty0 console=ttyPS0,115200 root=/dev/ram0 rw earlyprintk loglevel=8 nohz=off ignore_loglevel";
11 };
12
13 memory@0 {
14 device_type = "memory";
15 reg = <0x00000000 0x40000000>;
16 };
17
18 cpus {
19 #address-cells = <1>;
20 #size-cells = <0>;
21 cpu@0 {
22 compatible = "cdns,xtensa-cpu";
23 reg = <0>;
24 };
25 };
26
27 pic: pic {
28 compatible = "cdns,xtensa-pic";
29 #interrupt-cells = <2>;
30 interrupt-controller;
31 };
32
33 clocks {
34 osc: main-oscillator {
35 #clock-cells = <0>;
36 compatible = "fixed-clock";
37 };
38 };
39
40 soc {
41 #address-cells = <1>;
42 #size-cells = <1>;
43 compatible = "simple-bus";
44 ranges = <0x00000000 0xf0000000 0x10000000>;
45
46 uart0: serial@0d000000 {
47 compatible = "xlnx,xuartps", "cdns,uart-r1p8";
48 clocks = <&osc>, <&osc>;
49 clock-names = "uart_clk", "pclk";
50 reg = <0x0d000000 0x1000>;
51 interrupts = <0 1>;
52 };
53 };
54};
diff --git a/arch/xtensa/configs/cadence_csp_defconfig b/arch/xtensa/configs/cadence_csp_defconfig
new file mode 100644
index 000000000000..f2d3094aa1d1
--- /dev/null
+++ b/arch/xtensa/configs/cadence_csp_defconfig
@@ -0,0 +1,122 @@
1CONFIG_SYSVIPC=y
2CONFIG_POSIX_MQUEUE=y
3CONFIG_USELIB=y
4CONFIG_IRQ_DOMAIN_DEBUG=y
5CONFIG_NO_HZ_IDLE=y
6CONFIG_HIGH_RES_TIMERS=y
7CONFIG_IRQ_TIME_ACCOUNTING=y
8CONFIG_BSD_PROCESS_ACCT=y
9CONFIG_CGROUP_FREEZER=y
10CONFIG_CPUSETS=y
11CONFIG_CGROUP_DEVICE=y
12CONFIG_CGROUP_CPUACCT=y
13CONFIG_CGROUP_DEBUG=y
14CONFIG_NAMESPACES=y
15CONFIG_SCHED_AUTOGROUP=y
16CONFIG_RELAY=y
17CONFIG_BLK_DEV_INITRD=y
18CONFIG_INITRAMFS_SOURCE="$$KERNEL_INITRAMFS_SOURCE"
19# CONFIG_RD_BZIP2 is not set
20# CONFIG_RD_LZMA is not set
21# CONFIG_RD_XZ is not set
22# CONFIG_RD_LZO is not set
23# CONFIG_RD_LZ4 is not set
24CONFIG_CC_OPTIMIZE_FOR_SIZE=y
25CONFIG_SYSCTL_SYSCALL=y
26CONFIG_EMBEDDED=y
27CONFIG_PROFILING=y
28CONFIG_MODULES=y
29CONFIG_MODULE_FORCE_LOAD=y
30CONFIG_MODULE_UNLOAD=y
31CONFIG_MODULE_FORCE_UNLOAD=y
32# CONFIG_IOSCHED_DEADLINE is not set
33# CONFIG_IOSCHED_CFQ is not set
34CONFIG_XTENSA_VARIANT_CUSTOM=y
35CONFIG_XTENSA_VARIANT_CUSTOM_NAME="csp"
36CONFIG_XTENSA_UNALIGNED_USER=y
37CONFIG_PREEMPT=y
38CONFIG_HIGHMEM=y
39# CONFIG_PCI is not set
40CONFIG_XTENSA_PLATFORM_XTFPGA=y
41CONFIG_USE_OF=y
42CONFIG_BUILTIN_DTB="csp"
43# CONFIG_COMPACTION is not set
44CONFIG_XTFPGA_LCD=y
45# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
46CONFIG_NET=y
47CONFIG_PACKET=y
48CONFIG_UNIX=y
49CONFIG_INET=y
50CONFIG_IP_MULTICAST=y
51CONFIG_IP_PNP=y
52CONFIG_IP_PNP_DHCP=y
53CONFIG_IP_PNP_BOOTP=y
54CONFIG_IP_PNP_RARP=y
55# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
56# CONFIG_INET_XFRM_MODE_TUNNEL is not set
57# CONFIG_INET_XFRM_MODE_BEET is not set
58# CONFIG_INET_DIAG is not set
59# CONFIG_IPV6 is not set
60# CONFIG_WIRELESS is not set
61CONFIG_DEVTMPFS=y
62CONFIG_DEVTMPFS_MOUNT=y
63# CONFIG_STANDALONE is not set
64# CONFIG_FW_LOADER is not set
65CONFIG_MTD=y
66CONFIG_MTD_CFI=y
67CONFIG_MTD_JEDECPROBE=y
68CONFIG_MTD_CFI_INTELEXT=y
69CONFIG_MTD_CFI_AMDSTD=y
70CONFIG_MTD_CFI_STAA=y
71CONFIG_MTD_PHYSMAP_OF=y
72CONFIG_MTD_UBI=y
73CONFIG_BLK_DEV_LOOP=y
74CONFIG_BLK_DEV_RAM=y
75CONFIG_SCSI=y
76CONFIG_BLK_DEV_SD=y
77# CONFIG_INPUT_MOUSEDEV is not set
78# CONFIG_INPUT_KEYBOARD is not set
79# CONFIG_INPUT_MOUSE is not set
80CONFIG_LEGACY_PTY_COUNT=16
81CONFIG_SERIAL_XILINX_PS_UART=y
82CONFIG_SERIAL_XILINX_PS_UART_CONSOLE=y
83CONFIG_HW_RANDOM=y
84# CONFIG_HWMON is not set
85CONFIG_WATCHDOG=y
86CONFIG_WATCHDOG_NOWAYOUT=y
87CONFIG_SOFT_WATCHDOG=y
88# CONFIG_VGA_CONSOLE is not set
89# CONFIG_USB_SUPPORT is not set
90# CONFIG_IOMMU_SUPPORT is not set
91CONFIG_EXT3_FS=y
92CONFIG_FANOTIFY=y
93CONFIG_VFAT_FS=y
94CONFIG_PROC_KCORE=y
95CONFIG_TMPFS=y
96CONFIG_TMPFS_POSIX_ACL=y
97# CONFIG_MISC_FILESYSTEMS is not set
98CONFIG_NFS_FS=y
99CONFIG_NFS_V4=y
100CONFIG_NFS_SWAP=y
101CONFIG_ROOT_NFS=y
102CONFIG_SUNRPC_DEBUG=y
103CONFIG_NLS_CODEPAGE_437=y
104CONFIG_NLS_ISO8859_1=y
105CONFIG_PRINTK_TIME=y
106CONFIG_DYNAMIC_DEBUG=y
107CONFIG_DEBUG_INFO=y
108CONFIG_MAGIC_SYSRQ=y
109CONFIG_LOCKUP_DETECTOR=y
110# CONFIG_SCHED_DEBUG is not set
111CONFIG_SCHEDSTATS=y
112CONFIG_TIMER_STATS=y
113CONFIG_DEBUG_RT_MUTEXES=y
114CONFIG_PROVE_LOCKING=y
115CONFIG_DEBUG_ATOMIC_SLEEP=y
116CONFIG_RCU_TRACE=y
117CONFIG_FUNCTION_TRACER=y
118# CONFIG_S32C1I_SELFTEST is not set
119# CONFIG_CRYPTO_ECHAINIV is not set
120CONFIG_CRYPTO_DEFLATE=y
121CONFIG_CRYPTO_LZO=y
122# CONFIG_CRYPTO_HW is not set
diff --git a/arch/xtensa/variants/csp/include/variant/core.h b/arch/xtensa/variants/csp/include/variant/core.h
new file mode 100644
index 000000000000..ccd81f07eaf3
--- /dev/null
+++ b/arch/xtensa/variants/csp/include/variant/core.h
@@ -0,0 +1,575 @@
1/*
2 * xtensa/config/core-isa.h -- HAL definitions that are dependent on Xtensa
3 * processor CORE configuration
4 *
5 * See <xtensa/config/core.h>, which includes this file, for more details.
6 */
7
8/* Xtensa processor core configuration information.
9
10 Copyright (c) 1999-2015 Tensilica Inc.
11
12 Permission is hereby granted, free of charge, to any person obtaining
13 a copy of this software and associated documentation files (the
14 "Software"), to deal in the Software without restriction, including
15 without limitation the rights to use, copy, modify, merge, publish,
16 distribute, sublicense, and/or sell copies of the Software, and to
17 permit persons to whom the Software is furnished to do so, subject to
18 the following conditions:
19
20 The above copyright notice and this permission notice shall be included
21 in all copies or substantial portions of the Software.
22
23 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
26 IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
27 CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
28 TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
29 SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
30
31#ifndef _XTENSA_CORE_CONFIGURATION_H
32#define _XTENSA_CORE_CONFIGURATION_H
33
34
35/****************************************************************************
36 Parameters Useful for Any Code, USER or PRIVILEGED
37 ****************************************************************************/
38
39/*
40 * Note: Macros of the form XCHAL_HAVE_*** have a value of 1 if the option is
41 * configured, and a value of 0 otherwise. These macros are always defined.
42 */
43
44
45/*----------------------------------------------------------------------
46 ISA
47 ----------------------------------------------------------------------*/
48
49#define XCHAL_HAVE_BE 0 /* big-endian byte ordering */
50#define XCHAL_HAVE_WINDOWED 1 /* windowed registers option */
51#define XCHAL_NUM_AREGS 32 /* num of physical addr regs */
52#define XCHAL_NUM_AREGS_LOG2 5 /* log2(XCHAL_NUM_AREGS) */
53#define XCHAL_MAX_INSTRUCTION_SIZE 8 /* max instr bytes (3..8) */
54#define XCHAL_HAVE_DEBUG 1 /* debug option */
55#define XCHAL_HAVE_DENSITY 1 /* 16-bit instructions */
56#define XCHAL_HAVE_LOOPS 1 /* zero-overhead loops */
57#define XCHAL_LOOP_BUFFER_SIZE 0 /* zero-ov. loop instr buffer size */
58#define XCHAL_HAVE_NSA 1 /* NSA/NSAU instructions */
59#define XCHAL_HAVE_MINMAX 1 /* MIN/MAX instructions */
60#define XCHAL_HAVE_SEXT 1 /* SEXT instruction */
61#define XCHAL_HAVE_DEPBITS 0 /* DEPBITS instruction */
62#define XCHAL_HAVE_CLAMPS 1 /* CLAMPS instruction */
63#define XCHAL_HAVE_MUL16 1 /* MUL16S/MUL16U instructions */
64#define XCHAL_HAVE_MUL32 1 /* MULL instruction */
65#define XCHAL_HAVE_MUL32_HIGH 1 /* MULUH/MULSH instructions */
66#define XCHAL_HAVE_DIV32 1 /* QUOS/QUOU/REMS/REMU instructions */
67#define XCHAL_HAVE_L32R 1 /* L32R instruction */
68#define XCHAL_HAVE_ABSOLUTE_LITERALS 0 /* non-PC-rel (extended) L32R */
69#define XCHAL_HAVE_CONST16 0 /* CONST16 instruction */
70#define XCHAL_HAVE_ADDX 1 /* ADDX#/SUBX# instructions */
71#define XCHAL_HAVE_WIDE_BRANCHES 0 /* B*.W18 or B*.W15 instr's */
72#define XCHAL_HAVE_PREDICTED_BRANCHES 0 /* B[EQ/EQZ/NE/NEZ]T instr's */
73#define XCHAL_HAVE_CALL4AND12 1 /* (obsolete option) */
74#define XCHAL_HAVE_ABS 1 /* ABS instruction */
75/*#define XCHAL_HAVE_POPC 0*/ /* POPC instruction */
76/*#define XCHAL_HAVE_CRC 0*/ /* CRC instruction */
77#define XCHAL_HAVE_RELEASE_SYNC 1 /* L32AI/S32RI instructions */
78#define XCHAL_HAVE_S32C1I 1 /* S32C1I instruction */
79#define XCHAL_HAVE_SPECULATION 0 /* speculation */
80#define XCHAL_HAVE_FULL_RESET 1 /* all regs/state reset */
81#define XCHAL_NUM_CONTEXTS 1 /* */
82#define XCHAL_NUM_MISC_REGS 4 /* num of scratch regs (0..4) */
83#define XCHAL_HAVE_TAP_MASTER 0 /* JTAG TAP control instr's */
84#define XCHAL_HAVE_PRID 1 /* processor ID register */
85#define XCHAL_HAVE_EXTERN_REGS 1 /* WER/RER instructions */
86#define XCHAL_HAVE_MX 0 /* MX core (Tensilica internal) */
87#define XCHAL_HAVE_MP_INTERRUPTS 0 /* interrupt distributor port */
88#define XCHAL_HAVE_MP_RUNSTALL 0 /* core RunStall control port */
89#define XCHAL_HAVE_PSO 0 /* Power Shut-Off */
90#define XCHAL_HAVE_PSO_CDM 0 /* core/debug/mem pwr domains */
91#define XCHAL_HAVE_PSO_FULL_RETENTION 0 /* all regs preserved on PSO */
92#define XCHAL_HAVE_THREADPTR 1 /* THREADPTR register */
93#define XCHAL_HAVE_BOOLEANS 1 /* boolean registers */
94#define XCHAL_HAVE_CP 1 /* CPENABLE reg (coprocessor) */
95#define XCHAL_CP_MAXCFG 8 /* max allowed cp id plus one */
96#define XCHAL_HAVE_MAC16 1 /* MAC16 package */
97
98#define XCHAL_HAVE_FUSION 0 /* Fusion*/
99#define XCHAL_HAVE_FUSION_FP 0 /* Fusion FP option */
100#define XCHAL_HAVE_FUSION_LOW_POWER 0 /* Fusion Low Power option */
101#define XCHAL_HAVE_FUSION_AES 0 /* Fusion BLE/Wifi AES-128 CCM option */
102#define XCHAL_HAVE_FUSION_CONVENC 0 /* Fusion Conv Encode option */
103#define XCHAL_HAVE_FUSION_LFSR_CRC 0 /* Fusion LFSR-CRC option */
104#define XCHAL_HAVE_FUSION_BITOPS 0 /* Fusion Bit Operations Support option */
105#define XCHAL_HAVE_FUSION_AVS 0 /* Fusion AVS option */
106#define XCHAL_HAVE_FUSION_16BIT_BASEBAND 0 /* Fusion 16-bit Baseband option */
107#define XCHAL_HAVE_HIFIPRO 0 /* HiFiPro Audio Engine pkg */
108#define XCHAL_HAVE_HIFI4 0 /* HiFi4 Audio Engine pkg */
109#define XCHAL_HAVE_HIFI4_VFPU 0 /* HiFi4 Audio Engine VFPU option */
110#define XCHAL_HAVE_HIFI3 0 /* HiFi3 Audio Engine pkg */
111#define XCHAL_HAVE_HIFI3_VFPU 0 /* HiFi3 Audio Engine VFPU option */
112#define XCHAL_HAVE_HIFI2 0 /* HiFi2 Audio Engine pkg */
113#define XCHAL_HAVE_HIFI2EP 0 /* HiFi2EP */
114#define XCHAL_HAVE_HIFI_MINI 0
115
116
117#define XCHAL_HAVE_VECTORFPU2005 0 /* vector or user floating-point pkg */
118#define XCHAL_HAVE_USER_DPFPU 0 /* user DP floating-point pkg */
119#define XCHAL_HAVE_USER_SPFPU 0 /* user DP floating-point pkg */
120#define XCHAL_HAVE_FP 0 /* single prec floating point */
121#define XCHAL_HAVE_FP_DIV 0 /* FP with DIV instructions */
122#define XCHAL_HAVE_FP_RECIP 0 /* FP with RECIP instructions */
123#define XCHAL_HAVE_FP_SQRT 0 /* FP with SQRT instructions */
124#define XCHAL_HAVE_FP_RSQRT 0 /* FP with RSQRT instructions */
125#define XCHAL_HAVE_DFP 0 /* double precision FP pkg */
126#define XCHAL_HAVE_DFP_DIV 0 /* DFP with DIV instructions */
127#define XCHAL_HAVE_DFP_RECIP 0 /* DFP with RECIP instructions*/
128#define XCHAL_HAVE_DFP_SQRT 0 /* DFP with SQRT instructions */
129#define XCHAL_HAVE_DFP_RSQRT 0 /* DFP with RSQRT instructions*/
130#define XCHAL_HAVE_DFP_ACCEL 0 /* double precision FP acceleration pkg */
131#define XCHAL_HAVE_DFP_accel XCHAL_HAVE_DFP_ACCEL /* for backward compatibility */
132
133#define XCHAL_HAVE_DFPU_SINGLE_ONLY 0 /* DFPU Coprocessor, single precision only */
134#define XCHAL_HAVE_DFPU_SINGLE_DOUBLE 0 /* DFPU Coprocessor, single and double precision */
135#define XCHAL_HAVE_VECTRA1 0 /* Vectra I pkg */
136#define XCHAL_HAVE_VECTRALX 0 /* Vectra LX pkg */
137#define XCHAL_HAVE_PDX4 0 /* PDX4 */
138#define XCHAL_HAVE_CONNXD2 0 /* ConnX D2 pkg */
139#define XCHAL_HAVE_CONNXD2_DUALLSFLIX 0 /* ConnX D2 & Dual LoadStore Flix */
140#define XCHAL_HAVE_BBE16 0 /* ConnX BBE16 pkg */
141#define XCHAL_HAVE_BBE16_RSQRT 0 /* BBE16 & vector recip sqrt */
142#define XCHAL_HAVE_BBE16_VECDIV 0 /* BBE16 & vector divide */
143#define XCHAL_HAVE_BBE16_DESPREAD 0 /* BBE16 & despread */
144#define XCHAL_HAVE_BBENEP 0 /* ConnX BBENEP pkgs */
145#define XCHAL_HAVE_BSP3 0 /* ConnX BSP3 pkg */
146#define XCHAL_HAVE_BSP3_TRANSPOSE 0 /* BSP3 & transpose32x32 */
147#define XCHAL_HAVE_SSP16 0 /* ConnX SSP16 pkg */
148#define XCHAL_HAVE_SSP16_VITERBI 0 /* SSP16 & viterbi */
149#define XCHAL_HAVE_TURBO16 0 /* ConnX Turbo16 pkg */
150#define XCHAL_HAVE_BBP16 0 /* ConnX BBP16 pkg */
151#define XCHAL_HAVE_FLIX3 0 /* basic 3-way FLIX option */
152#define XCHAL_HAVE_GRIVPEP 0 /* GRIVPEP is General Release of IVPEP */
153#define XCHAL_HAVE_GRIVPEP_HISTOGRAM 0 /* Histogram option on GRIVPEP */
154
155
156/*----------------------------------------------------------------------
157 MISC
158 ----------------------------------------------------------------------*/
159
160#define XCHAL_NUM_LOADSTORE_UNITS 1 /* load/store units */
161#define XCHAL_NUM_WRITEBUFFER_ENTRIES 8 /* size of write buffer */
162#define XCHAL_INST_FETCH_WIDTH 8 /* instr-fetch width in bytes */
163#define XCHAL_DATA_WIDTH 16 /* data width in bytes */
164#define XCHAL_DATA_PIPE_DELAY 1 /* d-side pipeline delay
165 (1 = 5-stage, 2 = 7-stage) */
166#define XCHAL_CLOCK_GATING_GLOBAL 0 /* global clock gating */
167#define XCHAL_CLOCK_GATING_FUNCUNIT 0 /* funct. unit clock gating */
168/* In T1050, applies to selected core load and store instructions (see ISA): */
169#define XCHAL_UNALIGNED_LOAD_EXCEPTION 1 /* unaligned loads cause exc. */
170#define XCHAL_UNALIGNED_STORE_EXCEPTION 1 /* unaligned stores cause exc.*/
171#define XCHAL_UNALIGNED_LOAD_HW 0 /* unaligned loads work in hw */
172#define XCHAL_UNALIGNED_STORE_HW 0 /* unaligned stores work in hw*/
173
174#define XCHAL_SW_VERSION 1100002 /* sw version of this header */
175
176#define XCHAL_CORE_ID "xt_lnx" /* alphanum core name
177 (CoreID) set in the Xtensa
178 Processor Generator */
179
180#define XCHAL_BUILD_UNIQUE_ID 0x00057D54 /* 22-bit sw build ID */
181
182/*
183 * These definitions describe the hardware targeted by this software.
184 */
185#define XCHAL_HW_CONFIGID0 0xC1B3FFFE /* ConfigID hi 32 bits*/
186#define XCHAL_HW_CONFIGID1 0x1C857D54 /* ConfigID lo 32 bits*/
187#define XCHAL_HW_VERSION_NAME "LX6.0.2" /* full version name */
188#define XCHAL_HW_VERSION_MAJOR 2600 /* major ver# of targeted hw */
189#define XCHAL_HW_VERSION_MINOR 2 /* minor ver# of targeted hw */
190#define XCHAL_HW_VERSION 260002 /* major*100+minor */
191#define XCHAL_HW_REL_LX6 1
192#define XCHAL_HW_REL_LX6_0 1
193#define XCHAL_HW_REL_LX6_0_2 1
194#define XCHAL_HW_CONFIGID_RELIABLE 1
195/* If software targets a *range* of hardware versions, these are the bounds: */
196#define XCHAL_HW_MIN_VERSION_MAJOR 2600 /* major v of earliest tgt hw */
197#define XCHAL_HW_MIN_VERSION_MINOR 2 /* minor v of earliest tgt hw */
198#define XCHAL_HW_MIN_VERSION 260002 /* earliest targeted hw */
199#define XCHAL_HW_MAX_VERSION_MAJOR 2600 /* major v of latest tgt hw */
200#define XCHAL_HW_MAX_VERSION_MINOR 2 /* minor v of latest tgt hw */
201#define XCHAL_HW_MAX_VERSION 260002 /* latest targeted hw */
202
203
204/*----------------------------------------------------------------------
205 CACHE
206 ----------------------------------------------------------------------*/
207
208#define XCHAL_ICACHE_LINESIZE 64 /* I-cache line size in bytes */
209#define XCHAL_DCACHE_LINESIZE 64 /* D-cache line size in bytes */
210#define XCHAL_ICACHE_LINEWIDTH 6 /* log2(I line size in bytes) */
211#define XCHAL_DCACHE_LINEWIDTH 6 /* log2(D line size in bytes) */
212
213#define XCHAL_ICACHE_SIZE 65536 /* I-cache size in bytes or 0 */
214#define XCHAL_DCACHE_SIZE 16384 /* D-cache size in bytes or 0 */
215
216#define XCHAL_DCACHE_IS_WRITEBACK 1 /* writeback feature */
217#define XCHAL_DCACHE_IS_COHERENT 0 /* MP coherence feature */
218
219#define XCHAL_HAVE_PREFETCH 0 /* PREFCTL register */
220#define XCHAL_HAVE_PREFETCH_L1 0 /* prefetch to L1 dcache */
221#define XCHAL_PREFETCH_CASTOUT_LINES 0 /* dcache pref. castout bufsz */
222#define XCHAL_PREFETCH_ENTRIES 0 /* cache prefetch entries */
223#define XCHAL_PREFETCH_BLOCK_ENTRIES 0 /* prefetch block streams */
224#define XCHAL_HAVE_CACHE_BLOCKOPS 0 /* block prefetch for caches */
225#define XCHAL_HAVE_ICACHE_TEST 1 /* Icache test instructions */
226#define XCHAL_HAVE_DCACHE_TEST 1 /* Dcache test instructions */
227#define XCHAL_HAVE_ICACHE_DYN_WAYS 0 /* Icache dynamic way support */
228#define XCHAL_HAVE_DCACHE_DYN_WAYS 0 /* Dcache dynamic way support */
229
230
231
232
233/****************************************************************************
234 Parameters Useful for PRIVILEGED (Supervisory or Non-Virtualized) Code
235 ****************************************************************************/
236
237
238#ifndef XTENSA_HAL_NON_PRIVILEGED_ONLY
239
240/*----------------------------------------------------------------------
241 CACHE
242 ----------------------------------------------------------------------*/
243
244#define XCHAL_HAVE_PIF 1 /* any outbound PIF present */
245
246/* If present, cache size in bytes == (ways * 2^(linewidth + setwidth)). */
247
248/* Number of cache sets in log2(lines per way): */
249#define XCHAL_ICACHE_SETWIDTH 8
250#define XCHAL_DCACHE_SETWIDTH 6
251
252/* Cache set associativity (number of ways): */
253#define XCHAL_ICACHE_WAYS 4
254#define XCHAL_DCACHE_WAYS 4
255
256/* Cache features: */
257#define XCHAL_ICACHE_LINE_LOCKABLE 1
258#define XCHAL_DCACHE_LINE_LOCKABLE 1
259#define XCHAL_ICACHE_ECC_PARITY 0
260#define XCHAL_DCACHE_ECC_PARITY 0
261
262/* Cache access size in bytes (affects operation of SICW instruction): */
263#define XCHAL_ICACHE_ACCESS_SIZE 16
264#define XCHAL_DCACHE_ACCESS_SIZE 16
265
266#define XCHAL_DCACHE_BANKS 1 /* number of banks */
267
268/* Number of encoded cache attr bits (see <xtensa/hal.h> for decoded bits): */
269#define XCHAL_CA_BITS 4
270
271/* Whether MEMCTL register has anything useful */
272#define XCHAL_USE_MEMCTL (((XCHAL_LOOP_BUFFER_SIZE > 0) || \
273 XCHAL_DCACHE_IS_COHERENT || \
274 XCHAL_HAVE_ICACHE_DYN_WAYS || \
275 XCHAL_HAVE_DCACHE_DYN_WAYS) && \
276 (XCHAL_HW_MIN_VERSION >= XTENSA_HWVERSION_RE_2012_0))
277
278
279/*----------------------------------------------------------------------
280 INTERNAL I/D RAM/ROMs and XLMI
281 ----------------------------------------------------------------------*/
282
283#define XCHAL_NUM_INSTROM 0 /* number of core instr. ROMs */
284#define XCHAL_NUM_INSTRAM 0 /* number of core instr. RAMs */
285#define XCHAL_NUM_DATAROM 0 /* number of core data ROMs */
286#define XCHAL_NUM_DATARAM 0 /* number of core data RAMs */
287#define XCHAL_NUM_URAM 0 /* number of core unified RAMs*/
288#define XCHAL_NUM_XLMI 0 /* number of core XLMI ports */
289
290#define XCHAL_HAVE_IMEM_LOADSTORE 1 /* can load/store to IROM/IRAM*/
291
292
293/*----------------------------------------------------------------------
294 INTERRUPTS and TIMERS
295 ----------------------------------------------------------------------*/
296
297#define XCHAL_HAVE_INTERRUPTS 1 /* interrupt option */
298#define XCHAL_HAVE_HIGHPRI_INTERRUPTS 1 /* med/high-pri. interrupts */
299#define XCHAL_HAVE_NMI 1 /* non-maskable interrupt */
300#define XCHAL_HAVE_CCOUNT 1 /* CCOUNT reg. (timer option) */
301#define XCHAL_NUM_TIMERS 3 /* number of CCOMPAREn regs */
302#define XCHAL_NUM_INTERRUPTS 22 /* number of interrupts */
303#define XCHAL_NUM_INTERRUPTS_LOG2 5 /* ceil(log2(NUM_INTERRUPTS)) */
304#define XCHAL_NUM_EXTINTERRUPTS 16 /* num of external interrupts */
305#define XCHAL_NUM_INTLEVELS 6 /* number of interrupt levels
306 (not including level zero) */
307#define XCHAL_EXCM_LEVEL 3 /* level masked by PS.EXCM */
308 /* (always 1 in XEA1; levels 2 .. EXCM_LEVEL are "medium priority") */
309
310/* Masks of interrupts at each interrupt level: */
311#define XCHAL_INTLEVEL1_MASK 0x001F00BF
312#define XCHAL_INTLEVEL2_MASK 0x00001140
313#define XCHAL_INTLEVEL3_MASK 0x00200E00
314#define XCHAL_INTLEVEL4_MASK 0x00008000
315#define XCHAL_INTLEVEL5_MASK 0x00002000
316#define XCHAL_INTLEVEL6_MASK 0x00000000
317#define XCHAL_INTLEVEL7_MASK 0x00004000
318
319/* Masks of interrupts at each range 1..n of interrupt levels: */
320#define XCHAL_INTLEVEL1_ANDBELOW_MASK 0x001F00BF
321#define XCHAL_INTLEVEL2_ANDBELOW_MASK 0x001F11FF
322#define XCHAL_INTLEVEL3_ANDBELOW_MASK 0x003F1FFF
323#define XCHAL_INTLEVEL4_ANDBELOW_MASK 0x003F9FFF
324#define XCHAL_INTLEVEL5_ANDBELOW_MASK 0x003FBFFF
325#define XCHAL_INTLEVEL6_ANDBELOW_MASK 0x003FBFFF
326#define XCHAL_INTLEVEL7_ANDBELOW_MASK 0x003FFFFF
327
328/* Level of each interrupt: */
329#define XCHAL_INT0_LEVEL 1
330#define XCHAL_INT1_LEVEL 1
331#define XCHAL_INT2_LEVEL 1
332#define XCHAL_INT3_LEVEL 1
333#define XCHAL_INT4_LEVEL 1
334#define XCHAL_INT5_LEVEL 1
335#define XCHAL_INT6_LEVEL 2
336#define XCHAL_INT7_LEVEL 1
337#define XCHAL_INT8_LEVEL 2
338#define XCHAL_INT9_LEVEL 3
339#define XCHAL_INT10_LEVEL 3
340#define XCHAL_INT11_LEVEL 3
341#define XCHAL_INT12_LEVEL 2
342#define XCHAL_INT13_LEVEL 5
343#define XCHAL_INT14_LEVEL 7
344#define XCHAL_INT15_LEVEL 4
345#define XCHAL_INT16_LEVEL 1
346#define XCHAL_INT17_LEVEL 1
347#define XCHAL_INT18_LEVEL 1
348#define XCHAL_INT19_LEVEL 1
349#define XCHAL_INT20_LEVEL 1
350#define XCHAL_INT21_LEVEL 3
351#define XCHAL_DEBUGLEVEL 6 /* debug interrupt level */
352#define XCHAL_HAVE_DEBUG_EXTERN_INT 1 /* OCD external db interrupt */
353#define XCHAL_NMILEVEL 7 /* NMI "level" (for use with
354 EXCSAVE/EPS/EPC_n, RFI n) */
355
356/* Type of each interrupt: */
357#define XCHAL_INT0_TYPE XTHAL_INTTYPE_EXTERN_LEVEL
358#define XCHAL_INT1_TYPE XTHAL_INTTYPE_EXTERN_LEVEL
359#define XCHAL_INT2_TYPE XTHAL_INTTYPE_EXTERN_LEVEL
360#define XCHAL_INT3_TYPE XTHAL_INTTYPE_EXTERN_LEVEL
361#define XCHAL_INT4_TYPE XTHAL_INTTYPE_EXTERN_LEVEL
362#define XCHAL_INT5_TYPE XTHAL_INTTYPE_EXTERN_LEVEL
363#define XCHAL_INT6_TYPE XTHAL_INTTYPE_TIMER
364#define XCHAL_INT7_TYPE XTHAL_INTTYPE_SOFTWARE
365#define XCHAL_INT8_TYPE XTHAL_INTTYPE_EXTERN_LEVEL
366#define XCHAL_INT9_TYPE XTHAL_INTTYPE_EXTERN_LEVEL
367#define XCHAL_INT10_TYPE XTHAL_INTTYPE_TIMER
368#define XCHAL_INT11_TYPE XTHAL_INTTYPE_SOFTWARE
369#define XCHAL_INT12_TYPE XTHAL_INTTYPE_EXTERN_EDGE
370#define XCHAL_INT13_TYPE XTHAL_INTTYPE_TIMER
371#define XCHAL_INT14_TYPE XTHAL_INTTYPE_NMI
372#define XCHAL_INT15_TYPE XTHAL_INTTYPE_PROFILING
373#define XCHAL_INT16_TYPE XTHAL_INTTYPE_EXTERN_EDGE
374#define XCHAL_INT17_TYPE XTHAL_INTTYPE_EXTERN_EDGE
375#define XCHAL_INT18_TYPE XTHAL_INTTYPE_EXTERN_EDGE
376#define XCHAL_INT19_TYPE XTHAL_INTTYPE_EXTERN_EDGE
377#define XCHAL_INT20_TYPE XTHAL_INTTYPE_EXTERN_EDGE
378#define XCHAL_INT21_TYPE XTHAL_INTTYPE_EXTERN_EDGE
379
380/* Masks of interrupts for each type of interrupt: */
381#define XCHAL_INTTYPE_MASK_UNCONFIGURED 0xFFC00000
382#define XCHAL_INTTYPE_MASK_SOFTWARE 0x00000880
383#define XCHAL_INTTYPE_MASK_EXTERN_EDGE 0x003F1000
384#define XCHAL_INTTYPE_MASK_EXTERN_LEVEL 0x0000033F
385#define XCHAL_INTTYPE_MASK_TIMER 0x00002440
386#define XCHAL_INTTYPE_MASK_NMI 0x00004000
387#define XCHAL_INTTYPE_MASK_WRITE_ERROR 0x00000000
388#define XCHAL_INTTYPE_MASK_PROFILING 0x00008000
389
390/* Interrupt numbers assigned to specific interrupt sources: */
391#define XCHAL_TIMER0_INTERRUPT 6 /* CCOMPARE0 */
392#define XCHAL_TIMER1_INTERRUPT 10 /* CCOMPARE1 */
393#define XCHAL_TIMER2_INTERRUPT 13 /* CCOMPARE2 */
394#define XCHAL_TIMER3_INTERRUPT XTHAL_TIMER_UNCONFIGURED
395#define XCHAL_NMI_INTERRUPT 14 /* non-maskable interrupt */
396#define XCHAL_PROFILING_INTERRUPT 15 /* profiling interrupt */
397
398/* Interrupt numbers for levels at which only one interrupt is configured: */
399#define XCHAL_INTLEVEL4_NUM 15
400#define XCHAL_INTLEVEL5_NUM 13
401#define XCHAL_INTLEVEL7_NUM 14
402/* (There are many interrupts each at level(s) 1, 2, 3.) */
403
404
405/*
406 * External interrupt mapping.
407 * These macros describe how Xtensa processor interrupt numbers
408 * (as numbered internally, eg. in INTERRUPT and INTENABLE registers)
409 * map to external BInterrupt<n> pins, for those interrupts
410 * configured as external (level-triggered, edge-triggered, or NMI).
411 * See the Xtensa processor databook for more details.
412 */
413
414/* Core interrupt numbers mapped to each EXTERNAL BInterrupt pin number: */
415#define XCHAL_EXTINT0_NUM 0 /* (intlevel 1) */
416#define XCHAL_EXTINT1_NUM 1 /* (intlevel 1) */
417#define XCHAL_EXTINT2_NUM 2 /* (intlevel 1) */
418#define XCHAL_EXTINT3_NUM 3 /* (intlevel 1) */
419#define XCHAL_EXTINT4_NUM 4 /* (intlevel 1) */
420#define XCHAL_EXTINT5_NUM 5 /* (intlevel 1) */
421#define XCHAL_EXTINT6_NUM 8 /* (intlevel 2) */
422#define XCHAL_EXTINT7_NUM 9 /* (intlevel 3) */
423#define XCHAL_EXTINT8_NUM 12 /* (intlevel 2) */
424#define XCHAL_EXTINT9_NUM 14 /* (intlevel 7) */
425#define XCHAL_EXTINT10_NUM 16 /* (intlevel 1) */
426#define XCHAL_EXTINT11_NUM 17 /* (intlevel 1) */
427#define XCHAL_EXTINT12_NUM 18 /* (intlevel 1) */
428#define XCHAL_EXTINT13_NUM 19 /* (intlevel 1) */
429#define XCHAL_EXTINT14_NUM 20 /* (intlevel 1) */
430#define XCHAL_EXTINT15_NUM 21 /* (intlevel 3) */
431/* EXTERNAL BInterrupt pin numbers mapped to each core interrupt number: */
432#define XCHAL_INT0_EXTNUM 0 /* (intlevel 1) */
433#define XCHAL_INT1_EXTNUM 1 /* (intlevel 1) */
434#define XCHAL_INT2_EXTNUM 2 /* (intlevel 1) */
435#define XCHAL_INT3_EXTNUM 3 /* (intlevel 1) */
436#define XCHAL_INT4_EXTNUM 4 /* (intlevel 1) */
437#define XCHAL_INT5_EXTNUM 5 /* (intlevel 1) */
438#define XCHAL_INT8_EXTNUM 6 /* (intlevel 2) */
439#define XCHAL_INT9_EXTNUM 7 /* (intlevel 3) */
440#define XCHAL_INT12_EXTNUM 8 /* (intlevel 2) */
441#define XCHAL_INT14_EXTNUM 9 /* (intlevel 7) */
442#define XCHAL_INT16_EXTNUM 10 /* (intlevel 1) */
443#define XCHAL_INT17_EXTNUM 11 /* (intlevel 1) */
444#define XCHAL_INT18_EXTNUM 12 /* (intlevel 1) */
445#define XCHAL_INT19_EXTNUM 13 /* (intlevel 1) */
446#define XCHAL_INT20_EXTNUM 14 /* (intlevel 1) */
447#define XCHAL_INT21_EXTNUM 15 /* (intlevel 3) */
448
449
450/*----------------------------------------------------------------------
451 EXCEPTIONS and VECTORS
452 ----------------------------------------------------------------------*/
453
454#define XCHAL_XEA_VERSION 2 /* Xtensa Exception Architecture
455 number: 1 == XEA1 (old)
456 2 == XEA2 (new)
457 0 == XEAX (extern) or TX */
458#define XCHAL_HAVE_XEA1 0 /* Exception Architecture 1 */
459#define XCHAL_HAVE_XEA2 1 /* Exception Architecture 2 */
460#define XCHAL_HAVE_XEAX 0 /* External Exception Arch. */
461#define XCHAL_HAVE_EXCEPTIONS 1 /* exception option */
462#define XCHAL_HAVE_HALT 0 /* halt architecture option */
463#define XCHAL_HAVE_BOOTLOADER 0 /* boot loader (for TX) */
464#define XCHAL_HAVE_MEM_ECC_PARITY 0 /* local memory ECC/parity */
465#define XCHAL_HAVE_VECTOR_SELECT 1 /* relocatable vectors */
466#define XCHAL_HAVE_VECBASE 1 /* relocatable vectors */
467#define XCHAL_VECBASE_RESET_VADDR 0x00002000 /* VECBASE reset value */
468#define XCHAL_VECBASE_RESET_PADDR 0x00002000
469#define XCHAL_RESET_VECBASE_OVERLAP 0
470
471#define XCHAL_RESET_VECTOR0_VADDR 0xFE000000
472#define XCHAL_RESET_VECTOR0_PADDR 0xFE000000
473#define XCHAL_RESET_VECTOR1_VADDR 0x00001000
474#define XCHAL_RESET_VECTOR1_PADDR 0x00001000
475#define XCHAL_RESET_VECTOR_VADDR 0xFE000000
476#define XCHAL_RESET_VECTOR_PADDR 0xFE000000
477#define XCHAL_USER_VECOFS 0x00000340
478#define XCHAL_USER_VECTOR_VADDR 0x00002340
479#define XCHAL_USER_VECTOR_PADDR 0x00002340
480#define XCHAL_KERNEL_VECOFS 0x00000300
481#define XCHAL_KERNEL_VECTOR_VADDR 0x00002300
482#define XCHAL_KERNEL_VECTOR_PADDR 0x00002300
483#define XCHAL_DOUBLEEXC_VECOFS 0x000003C0
484#define XCHAL_DOUBLEEXC_VECTOR_VADDR 0x000023C0
485#define XCHAL_DOUBLEEXC_VECTOR_PADDR 0x000023C0
486#define XCHAL_WINDOW_OF4_VECOFS 0x00000000
487#define XCHAL_WINDOW_UF4_VECOFS 0x00000040
488#define XCHAL_WINDOW_OF8_VECOFS 0x00000080
489#define XCHAL_WINDOW_UF8_VECOFS 0x000000C0
490#define XCHAL_WINDOW_OF12_VECOFS 0x00000100
491#define XCHAL_WINDOW_UF12_VECOFS 0x00000140
492#define XCHAL_WINDOW_VECTORS_VADDR 0x00002000
493#define XCHAL_WINDOW_VECTORS_PADDR 0x00002000
494#define XCHAL_INTLEVEL2_VECOFS 0x00000180
495#define XCHAL_INTLEVEL2_VECTOR_VADDR 0x00002180
496#define XCHAL_INTLEVEL2_VECTOR_PADDR 0x00002180
497#define XCHAL_INTLEVEL3_VECOFS 0x000001C0
498#define XCHAL_INTLEVEL3_VECTOR_VADDR 0x000021C0
499#define XCHAL_INTLEVEL3_VECTOR_PADDR 0x000021C0
500#define XCHAL_INTLEVEL4_VECOFS 0x00000200
501#define XCHAL_INTLEVEL4_VECTOR_VADDR 0x00002200
502#define XCHAL_INTLEVEL4_VECTOR_PADDR 0x00002200
503#define XCHAL_INTLEVEL5_VECOFS 0x00000240
504#define XCHAL_INTLEVEL5_VECTOR_VADDR 0x00002240
505#define XCHAL_INTLEVEL5_VECTOR_PADDR 0x00002240
506#define XCHAL_INTLEVEL6_VECOFS 0x00000280
507#define XCHAL_INTLEVEL6_VECTOR_VADDR 0x00002280
508#define XCHAL_INTLEVEL6_VECTOR_PADDR 0x00002280
509#define XCHAL_DEBUG_VECOFS XCHAL_INTLEVEL6_VECOFS
510#define XCHAL_DEBUG_VECTOR_VADDR XCHAL_INTLEVEL6_VECTOR_VADDR
511#define XCHAL_DEBUG_VECTOR_PADDR XCHAL_INTLEVEL6_VECTOR_PADDR
512#define XCHAL_NMI_VECOFS 0x000002C0
513#define XCHAL_NMI_VECTOR_VADDR 0x000022C0
514#define XCHAL_NMI_VECTOR_PADDR 0x000022C0
515#define XCHAL_INTLEVEL7_VECOFS XCHAL_NMI_VECOFS
516#define XCHAL_INTLEVEL7_VECTOR_VADDR XCHAL_NMI_VECTOR_VADDR
517#define XCHAL_INTLEVEL7_VECTOR_PADDR XCHAL_NMI_VECTOR_PADDR
518
519
520/*----------------------------------------------------------------------
521 DEBUG MODULE
522 ----------------------------------------------------------------------*/
523
524/* Misc */
525#define XCHAL_HAVE_DEBUG_ERI 1 /* ERI to debug module */
526#define XCHAL_HAVE_DEBUG_APB 1 /* APB to debug module */
527#define XCHAL_HAVE_DEBUG_JTAG 1 /* JTAG to debug module */
528
529/* On-Chip Debug (OCD) */
530#define XCHAL_HAVE_OCD 1 /* OnChipDebug option */
531#define XCHAL_NUM_IBREAK 2 /* number of IBREAKn regs */
532#define XCHAL_NUM_DBREAK 2 /* number of DBREAKn regs */
533#define XCHAL_HAVE_OCD_DIR_ARRAY 0 /* faster OCD option (to LX4) */
534#define XCHAL_HAVE_OCD_LS32DDR 1 /* L32DDR/S32DDR (faster OCD) */
535
536/* TRAX (in core) */
537#define XCHAL_HAVE_TRAX 1 /* TRAX in debug module */
538#define XCHAL_TRAX_MEM_SIZE 262144 /* TRAX memory size in bytes */
539#define XCHAL_TRAX_MEM_SHAREABLE 1 /* start/end regs; ready sig. */
540#define XCHAL_TRAX_ATB_WIDTH 0 /* ATB width (bits), 0=no ATB */
541#define XCHAL_TRAX_TIME_WIDTH 0 /* timestamp bitwidth, 0=none */
542
543/* Perf counters */
544#define XCHAL_NUM_PERF_COUNTERS 8 /* performance counters */
545
546
547/*----------------------------------------------------------------------
548 MMU
549 ----------------------------------------------------------------------*/
550
551/* See core-matmap.h header file for more details. */
552
553#define XCHAL_HAVE_TLBS 1 /* inverse of HAVE_CACHEATTR */
554#define XCHAL_HAVE_SPANNING_WAY 1 /* one way maps I+D 4GB vaddr */
555#define XCHAL_SPANNING_WAY 6 /* TLB spanning way number */
556#define XCHAL_HAVE_IDENTITY_MAP 0 /* vaddr == paddr always */
557#define XCHAL_HAVE_CACHEATTR 0 /* CACHEATTR register present */
558#define XCHAL_HAVE_MIMIC_CACHEATTR 0 /* region protection */
559#define XCHAL_HAVE_XLT_CACHEATTR 0 /* region prot. w/translation */
560#define XCHAL_HAVE_PTP_MMU 1 /* full MMU (with page table
561 [autorefill] and protection)
562 usable for an MMU-based OS */
563/* If none of the above last 4 are set, it's a custom TLB configuration. */
564#define XCHAL_ITLB_ARF_ENTRIES_LOG2 2 /* log2(autorefill way size) */
565#define XCHAL_DTLB_ARF_ENTRIES_LOG2 2 /* log2(autorefill way size) */
566
567#define XCHAL_MMU_ASID_BITS 8 /* number of bits in ASIDs */
568#define XCHAL_MMU_RINGS 4 /* number of rings (1..4) */
569#define XCHAL_MMU_RING_BITS 2 /* num of bits in RING field */
570
571#endif /* !XTENSA_HAL_NON_PRIVILEGED_ONLY */
572
573
574#endif /* _XTENSA_CORE_CONFIGURATION_H */
575
diff --git a/arch/xtensa/variants/csp/include/variant/tie-asm.h b/arch/xtensa/variants/csp/include/variant/tie-asm.h
new file mode 100644
index 000000000000..ba773c4a26a2
--- /dev/null
+++ b/arch/xtensa/variants/csp/include/variant/tie-asm.h
@@ -0,0 +1,194 @@
1/*
2 * tie-asm.h -- compile-time HAL assembler definitions dependent on CORE & TIE
3 *
4 * NOTE: This header file is not meant to be included directly.
5 */
6
7/* This header file contains assembly-language definitions (assembly
8 macros, etc.) for this specific Xtensa processor's TIE extensions
9 and options. It is customized to this Xtensa processor configuration.
10
11 Copyright (c) 1999-2015 Cadence Design Systems Inc.
12
13 Permission is hereby granted, free of charge, to any person obtaining
14 a copy of this software and associated documentation files (the
15 "Software"), to deal in the Software without restriction, including
16 without limitation the rights to use, copy, modify, merge, publish,
17 distribute, sublicense, and/or sell copies of the Software, and to
18 permit persons to whom the Software is furnished to do so, subject to
19 the following conditions:
20
21 The above copyright notice and this permission notice shall be included
22 in all copies or substantial portions of the Software.
23
24 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
27 IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
28 CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
29 TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
30 SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
31
32#ifndef _XTENSA_CORE_TIE_ASM_H
33#define _XTENSA_CORE_TIE_ASM_H
34
35/* Selection parameter values for save-area save/restore macros: */
36/* Option vs. TIE: */
37#define XTHAL_SAS_TIE 0x0001 /* custom extension or coprocessor */
38#define XTHAL_SAS_OPT 0x0002 /* optional (and not a coprocessor) */
39#define XTHAL_SAS_ANYOT 0x0003 /* both of the above */
40/* Whether used automatically by compiler: */
41#define XTHAL_SAS_NOCC 0x0004 /* not used by compiler w/o special opts/code */
42#define XTHAL_SAS_CC 0x0008 /* used by compiler without special opts/code */
43#define XTHAL_SAS_ANYCC 0x000C /* both of the above */
44/* ABI handling across function calls: */
45#define XTHAL_SAS_CALR 0x0010 /* caller-saved */
46#define XTHAL_SAS_CALE 0x0020 /* callee-saved */
47#define XTHAL_SAS_GLOB 0x0040 /* global across function calls (in thread) */
48#define XTHAL_SAS_ANYABI 0x0070 /* all of the above three */
49/* Misc */
50#define XTHAL_SAS_ALL 0xFFFF /* include all default NCP contents */
51#define XTHAL_SAS3(optie,ccuse,abi) ( ((optie) & XTHAL_SAS_ANYOT) \
52 | ((ccuse) & XTHAL_SAS_ANYCC) \
53 | ((abi) & XTHAL_SAS_ANYABI) )
54
55
56 /*
57 * Macro to store all non-coprocessor (extra) custom TIE and optional state
58 * (not including zero-overhead loop registers).
59 * Required parameters:
60 * ptr Save area pointer address register (clobbered)
61 * (register must contain a 4 byte aligned address).
62 * at1..at4 Four temporary address registers (first XCHAL_NCP_NUM_ATMPS
63 * registers are clobbered, the remaining are unused).
64 * Optional parameters:
65 * continue If macro invoked as part of a larger store sequence, set to 1
66 * if this is not the first in the sequence. Defaults to 0.
67 * ofs Offset from start of larger sequence (from value of first ptr
68 * in sequence) at which to store. Defaults to next available space
69 * (or 0 if <continue> is 0).
70 * select Select what category(ies) of registers to store, as a bitmask
71 * (see XTHAL_SAS_xxx constants). Defaults to all registers.
72 * alloc Select what category(ies) of registers to allocate; if any
73 * category is selected here that is not in <select>, space for
74 * the corresponding registers is skipped without doing any store.
75 */
76 .macro xchal_ncp_store ptr at1 at2 at3 at4 continue=0 ofs=-1 select=XTHAL_SAS_ALL alloc=0
77 xchal_sa_start \continue, \ofs
78 // Optional global registers used by default by the compiler:
79 .ifeq (XTHAL_SAS_OPT | XTHAL_SAS_CC | XTHAL_SAS_GLOB) & ~(\select)
80 xchal_sa_align \ptr, 0, 1020, 4, 4
81 rur.THREADPTR \at1 // threadptr option
82 s32i \at1, \ptr, .Lxchal_ofs_+0
83 .set .Lxchal_ofs_, .Lxchal_ofs_ + 4
84 .elseif ((XTHAL_SAS_OPT | XTHAL_SAS_CC | XTHAL_SAS_GLOB) & ~(\alloc)) == 0
85 xchal_sa_align \ptr, 0, 1020, 4, 4
86 .set .Lxchal_ofs_, .Lxchal_ofs_ + 4
87 .endif
88 // Optional caller-saved registers used by default by the compiler:
89 .ifeq (XTHAL_SAS_OPT | XTHAL_SAS_CC | XTHAL_SAS_CALR) & ~(\select)
90 xchal_sa_align \ptr, 0, 1016, 4, 4
91 rsr.ACCLO \at1 // MAC16 option
92 s32i \at1, \ptr, .Lxchal_ofs_+0
93 rsr.ACCHI \at1 // MAC16 option
94 s32i \at1, \ptr, .Lxchal_ofs_+4
95 .set .Lxchal_ofs_, .Lxchal_ofs_ + 8
96 .elseif ((XTHAL_SAS_OPT | XTHAL_SAS_CC | XTHAL_SAS_CALR) & ~(\alloc)) == 0
97 xchal_sa_align \ptr, 0, 1016, 4, 4
98 .set .Lxchal_ofs_, .Lxchal_ofs_ + 8
99 .endif
100 // Optional caller-saved registers not used by default by the compiler:
101 .ifeq (XTHAL_SAS_OPT | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~(\select)
102 xchal_sa_align \ptr, 0, 1000, 4, 4
103 rsr.BR \at1 // boolean option
104 s32i \at1, \ptr, .Lxchal_ofs_+0
105 rsr.SCOMPARE1 \at1 // conditional store option
106 s32i \at1, \ptr, .Lxchal_ofs_+4
107 rsr.M0 \at1 // MAC16 option
108 s32i \at1, \ptr, .Lxchal_ofs_+8
109 rsr.M1 \at1 // MAC16 option
110 s32i \at1, \ptr, .Lxchal_ofs_+12
111 rsr.M2 \at1 // MAC16 option
112 s32i \at1, \ptr, .Lxchal_ofs_+16
113 rsr.M3 \at1 // MAC16 option
114 s32i \at1, \ptr, .Lxchal_ofs_+20
115 .set .Lxchal_ofs_, .Lxchal_ofs_ + 24
116 .elseif ((XTHAL_SAS_OPT | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~(\alloc)) == 0
117 xchal_sa_align \ptr, 0, 1000, 4, 4
118 .set .Lxchal_ofs_, .Lxchal_ofs_ + 24
119 .endif
120 .endm // xchal_ncp_store
121
122 /*
123 * Macro to load all non-coprocessor (extra) custom TIE and optional state
124 * (not including zero-overhead loop registers).
125 * Required parameters:
126 * ptr Save area pointer address register (clobbered)
127 * (register must contain a 4 byte aligned address).
128 * at1..at4 Four temporary address registers (first XCHAL_NCP_NUM_ATMPS
129 * registers are clobbered, the remaining are unused).
130 * Optional parameters:
131 * continue If macro invoked as part of a larger load sequence, set to 1
132 * if this is not the first in the sequence. Defaults to 0.
133 * ofs Offset from start of larger sequence (from value of first ptr
134 * in sequence) at which to load. Defaults to next available space
135 * (or 0 if <continue> is 0).
136 * select Select what category(ies) of registers to load, as a bitmask
137 * (see XTHAL_SAS_xxx constants). Defaults to all registers.
138 * alloc Select what category(ies) of registers to allocate; if any
139 * category is selected here that is not in <select>, space for
140 * the corresponding registers is skipped without doing any load.
141 */
142 .macro xchal_ncp_load ptr at1 at2 at3 at4 continue=0 ofs=-1 select=XTHAL_SAS_ALL alloc=0
143 xchal_sa_start \continue, \ofs
144 // Optional global registers used by default by the compiler:
145 .ifeq (XTHAL_SAS_OPT | XTHAL_SAS_CC | XTHAL_SAS_GLOB) & ~(\select)
146 xchal_sa_align \ptr, 0, 1020, 4, 4
147 l32i \at1, \ptr, .Lxchal_ofs_+0
148 wur.THREADPTR \at1 // threadptr option
149 .set .Lxchal_ofs_, .Lxchal_ofs_ + 4
150 .elseif ((XTHAL_SAS_OPT | XTHAL_SAS_CC | XTHAL_SAS_GLOB) & ~(\alloc)) == 0
151 xchal_sa_align \ptr, 0, 1020, 4, 4
152 .set .Lxchal_ofs_, .Lxchal_ofs_ + 4
153 .endif
154 // Optional caller-saved registers used by default by the compiler:
155 .ifeq (XTHAL_SAS_OPT | XTHAL_SAS_CC | XTHAL_SAS_CALR) & ~(\select)
156 xchal_sa_align \ptr, 0, 1016, 4, 4
157 l32i \at1, \ptr, .Lxchal_ofs_+0
158 wsr.ACCLO \at1 // MAC16 option
159 l32i \at1, \ptr, .Lxchal_ofs_+4
160 wsr.ACCHI \at1 // MAC16 option
161 .set .Lxchal_ofs_, .Lxchal_ofs_ + 8
162 .elseif ((XTHAL_SAS_OPT | XTHAL_SAS_CC | XTHAL_SAS_CALR) & ~(\alloc)) == 0
163 xchal_sa_align \ptr, 0, 1016, 4, 4
164 .set .Lxchal_ofs_, .Lxchal_ofs_ + 8
165 .endif
166 // Optional caller-saved registers not used by default by the compiler:
167 .ifeq (XTHAL_SAS_OPT | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~(\select)
168 xchal_sa_align \ptr, 0, 1000, 4, 4
169 l32i \at1, \ptr, .Lxchal_ofs_+0
170 wsr.BR \at1 // boolean option
171 l32i \at1, \ptr, .Lxchal_ofs_+4
172 wsr.SCOMPARE1 \at1 // conditional store option
173 l32i \at1, \ptr, .Lxchal_ofs_+8
174 wsr.M0 \at1 // MAC16 option
175 l32i \at1, \ptr, .Lxchal_ofs_+12
176 wsr.M1 \at1 // MAC16 option
177 l32i \at1, \ptr, .Lxchal_ofs_+16
178 wsr.M2 \at1 // MAC16 option
179 l32i \at1, \ptr, .Lxchal_ofs_+20
180 wsr.M3 \at1 // MAC16 option
181 .set .Lxchal_ofs_, .Lxchal_ofs_ + 24
182 .elseif ((XTHAL_SAS_OPT | XTHAL_SAS_NOCC | XTHAL_SAS_CALR) & ~(\alloc)) == 0
183 xchal_sa_align \ptr, 0, 1000, 4, 4
184 .set .Lxchal_ofs_, .Lxchal_ofs_ + 24
185 .endif
186 .endm // xchal_ncp_load
187
188
189#define XCHAL_NCP_NUM_ATMPS 1
190
191#define XCHAL_SA_NUM_ATMPS 1
192
193#endif /*_XTENSA_CORE_TIE_ASM_H*/
194
diff --git a/arch/xtensa/variants/csp/include/variant/tie.h b/arch/xtensa/variants/csp/include/variant/tie.h
new file mode 100644
index 000000000000..3ce391cfe449
--- /dev/null
+++ b/arch/xtensa/variants/csp/include/variant/tie.h
@@ -0,0 +1,161 @@
1/*
2 * tie.h -- compile-time HAL definitions dependent on CORE & TIE configuration
3 *
4 * NOTE: This header file is not meant to be included directly.
5 */
6
7/* This header file describes this specific Xtensa processor's TIE extensions
8 that extend basic Xtensa core functionality. It is customized to this
9 Xtensa processor configuration.
10
11 Copyright (c) 1999-2015 Cadence Design Systems Inc.
12
13 Permission is hereby granted, free of charge, to any person obtaining
14 a copy of this software and associated documentation files (the
15 "Software"), to deal in the Software without restriction, including
16 without limitation the rights to use, copy, modify, merge, publish,
17 distribute, sublicense, and/or sell copies of the Software, and to
18 permit persons to whom the Software is furnished to do so, subject to
19 the following conditions:
20
21 The above copyright notice and this permission notice shall be included
22 in all copies or substantial portions of the Software.
23
24 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
27 IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
28 CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
29 TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
30 SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
31
32#ifndef _XTENSA_CORE_TIE_H
33#define _XTENSA_CORE_TIE_H
34
35#define XCHAL_CP_NUM 1 /* number of coprocessors */
36#define XCHAL_CP_MAX 8 /* max CP ID + 1 (0 if none) */
37#define XCHAL_CP_MASK 0x80 /* bitmask of all CPs by ID */
38#define XCHAL_CP_PORT_MASK 0x80 /* bitmask of only port CPs */
39
40/* Basic parameters of each coprocessor: */
41#define XCHAL_CP7_NAME "XTIOP"
42#define XCHAL_CP7_IDENT XTIOP
43#define XCHAL_CP7_SA_SIZE 0 /* size of state save area */
44#define XCHAL_CP7_SA_ALIGN 1 /* min alignment of save area */
45#define XCHAL_CP_ID_XTIOP 7 /* coprocessor ID (0..7) */
46
47/* Filler info for unassigned coprocessors, to simplify arrays etc: */
48#define XCHAL_CP0_SA_SIZE 0
49#define XCHAL_CP0_SA_ALIGN 1
50#define XCHAL_CP1_SA_SIZE 0
51#define XCHAL_CP1_SA_ALIGN 1
52#define XCHAL_CP2_SA_SIZE 0
53#define XCHAL_CP2_SA_ALIGN 1
54#define XCHAL_CP3_SA_SIZE 0
55#define XCHAL_CP3_SA_ALIGN 1
56#define XCHAL_CP4_SA_SIZE 0
57#define XCHAL_CP4_SA_ALIGN 1
58#define XCHAL_CP5_SA_SIZE 0
59#define XCHAL_CP5_SA_ALIGN 1
60#define XCHAL_CP6_SA_SIZE 0
61#define XCHAL_CP6_SA_ALIGN 1
62
63/* Save area for non-coprocessor optional and custom (TIE) state: */
64#define XCHAL_NCP_SA_SIZE 36
65#define XCHAL_NCP_SA_ALIGN 4
66
67/* Total save area for optional and custom state (NCP + CPn): */
68#define XCHAL_TOTAL_SA_SIZE 48 /* with 16-byte align padding */
69#define XCHAL_TOTAL_SA_ALIGN 4 /* actual minimum alignment */
70
71/*
72 * Detailed contents of save areas.
73 * NOTE: caller must define the XCHAL_SA_REG macro (not defined here)
74 * before expanding the XCHAL_xxx_SA_LIST() macros.
75 *
76 * XCHAL_SA_REG(s,ccused,abikind,kind,opt,name,galign,align,asize,
77 * dbnum,base,regnum,bitsz,gapsz,reset,x...)
78 *
79 * s = passed from XCHAL_*_LIST(s), eg. to select how to expand
80 * ccused = set if used by compiler without special options or code
81 * abikind = 0 (caller-saved), 1 (callee-saved), or 2 (thread-global)
82 * kind = 0 (special reg), 1 (TIE user reg), or 2 (TIE regfile reg)
83 * opt = 0 (custom TIE extension or coprocessor), or 1 (optional reg)
84 * name = lowercase reg name (no quotes)
85 * galign = group byte alignment (power of 2) (galign >= align)
86 * align = register byte alignment (power of 2)
87 * asize = allocated size in bytes (asize*8 == bitsz + gapsz + padsz)
88 * (not including any pad bytes required to galign this or next reg)
89 * dbnum = unique target number f/debug (see <xtensa-libdb-macros.h>)
90 * base = reg shortname w/o index (or sr=special, ur=TIE user reg)
91 * regnum = reg index in regfile, or special/TIE-user reg number
92 * bitsz = number of significant bits (regfile width, or ur/sr mask bits)
93 * gapsz = intervening bits, if bitsz bits not stored contiguously
94 * (padsz = pad bits at end [TIE regfile] or at msbits [ur,sr] of asize)
95 * reset = register reset value (or 0 if undefined at reset)
96 * x = reserved for future use (0 until then)
97 *
98 * To filter out certain registers, e.g. to expand only the non-global
99 * registers used by the compiler, you can do something like this:
100 *
101 * #define XCHAL_SA_REG(s,ccused,p...) SELCC##ccused(p)
102 * #define SELCC0(p...)
103 * #define SELCC1(abikind,p...) SELAK##abikind(p)
104 * #define SELAK0(p...) REG(p)
105 * #define SELAK1(p...) REG(p)
106 * #define SELAK2(p...)
107 * #define REG(kind,tie,name,galn,aln,asz,csz,dbnum,base,rnum,bsz,rst,x...) \
108 * ...what you want to expand...
109 */
110
111#define XCHAL_NCP_SA_NUM 9
112#define XCHAL_NCP_SA_LIST(s) \
113 XCHAL_SA_REG(s,1,2,1,1, threadptr, 4, 4, 4,0x03E7, ur,231, 32,0,0,0) \
114 XCHAL_SA_REG(s,1,0,0,1, acclo, 4, 4, 4,0x0210, sr,16 , 32,0,0,0) \
115 XCHAL_SA_REG(s,1,0,0,1, acchi, 4, 4, 4,0x0211, sr,17 , 8,0,0,0) \
116 XCHAL_SA_REG(s,0,0,0,1, br, 4, 4, 4,0x0204, sr,4 , 16,0,0,0) \
117 XCHAL_SA_REG(s,0,0,0,1, scompare1, 4, 4, 4,0x020C, sr,12 , 32,0,0,0) \
118 XCHAL_SA_REG(s,0,0,0,1, m0, 4, 4, 4,0x0220, sr,32 , 32,0,0,0) \
119 XCHAL_SA_REG(s,0,0,0,1, m1, 4, 4, 4,0x0221, sr,33 , 32,0,0,0) \
120 XCHAL_SA_REG(s,0,0,0,1, m2, 4, 4, 4,0x0222, sr,34 , 32,0,0,0) \
121 XCHAL_SA_REG(s,0,0,0,1, m3, 4, 4, 4,0x0223, sr,35 , 32,0,0,0)
122
123#define XCHAL_CP0_SA_NUM 0
124#define XCHAL_CP0_SA_LIST(s) /* empty */
125
126#define XCHAL_CP1_SA_NUM 0
127#define XCHAL_CP1_SA_LIST(s) /* empty */
128
129#define XCHAL_CP2_SA_NUM 0
130#define XCHAL_CP2_SA_LIST(s) /* empty */
131
132#define XCHAL_CP3_SA_NUM 0
133#define XCHAL_CP3_SA_LIST(s) /* empty */
134
135#define XCHAL_CP4_SA_NUM 0
136#define XCHAL_CP4_SA_LIST(s) /* empty */
137
138#define XCHAL_CP5_SA_NUM 0
139#define XCHAL_CP5_SA_LIST(s) /* empty */
140
141#define XCHAL_CP6_SA_NUM 0
142#define XCHAL_CP6_SA_LIST(s) /* empty */
143
144#define XCHAL_CP7_SA_NUM 0
145#define XCHAL_CP7_SA_LIST(s) /* empty */
146
147/* Byte length of instruction from its first nibble (op0 field), per FLIX. */
148#define XCHAL_OP0_FORMAT_LENGTHS 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3
149/* Byte length of instruction from its first byte, per FLIX. */
150#define XCHAL_BYTE0_FORMAT_LENGTHS \
151 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3, 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3,\
152 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3, 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3,\
153 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3, 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3,\
154 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3, 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3,\
155 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3, 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3,\
156 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3, 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3,\
157 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3, 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3,\
158 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3, 3,3,3,3,3,3,3,3,2,2,2,2,2,2,3,3
159
160#endif /*_XTENSA_CORE_TIE_H*/
161
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