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Commit | Line | Data |
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0e870980 | 1 | /* |
709389b6 | 2 | * Copyright 2008-2012 Freescale Semiconductor, Inc. |
0e870980 PA |
3 | * Kumar Gala <kumar.gala@freescale.com> |
4 | * | |
1a459660 | 5 | * SPDX-License-Identifier: GPL-2.0+ |
0e870980 PA |
6 | */ |
7 | ||
25ddd1fb | 8 | #include <asm-offsets.h> |
ec2b74ff KG |
9 | #include <config.h> |
10 | #include <mpc85xx.h> | |
ec2b74ff | 11 | |
ec2b74ff KG |
12 | #include <ppc_asm.tmpl> |
13 | #include <ppc_defs.h> | |
14 | ||
15 | #include <asm/cache.h> | |
16 | #include <asm/mmu.h> | |
17 | ||
18 | /* To boot secondary cpus, we need a place for them to start up. | |
19 | * Normally, they start at 0xfffffffc, but that's usually the | |
20 | * firmware, and we don't want to have to run the firmware again. | |
21 | * Instead, the primary cpu will set the BPTR to point here to | |
22 | * this page. We then set up the core, and head to | |
23 | * start_secondary. Note that this means that the code below | |
24 | * must never exceed 1023 instructions (the branch at the end | |
25 | * would then be the 1024th). | |
26 | */ | |
27 | .globl __secondary_start_page | |
28 | .align 12 | |
29 | __secondary_start_page: | |
30 | /* First do some preliminary setup */ | |
31 | lis r3, HID0_EMCP@h /* enable machine check */ | |
0f060c3b | 32 | #ifndef CONFIG_E500MC |
ec2b74ff | 33 | ori r3,r3,HID0_TBEN@l /* enable Timebase */ |
0f060c3b | 34 | #endif |
ec2b74ff KG |
35 | #ifdef CONFIG_PHYS_64BIT |
36 | ori r3,r3,HID0_ENMAS7@l /* enable MAS7 updates */ | |
37 | #endif | |
38 | mtspr SPRN_HID0,r3 | |
39 | ||
0f060c3b | 40 | #ifndef CONFIG_E500MC |
ec2b74ff | 41 | li r3,(HID1_ASTME|HID1_ABE)@l /* Addr streaming & broadcast */ |
ff8473e9 SG |
42 | mfspr r0,PVR |
43 | andi. r0,r0,0xff | |
44 | cmpwi r0,0x50@l /* if we are rev 5.0 or greater set MBDD */ | |
45 | blt 1f | |
46 | /* Set MBDD bit also */ | |
47 | ori r3, r3, HID1_MBDD@l | |
48 | 1: | |
ec2b74ff | 49 | mtspr SPRN_HID1,r3 |
0f060c3b | 50 | #endif |
ec2b74ff | 51 | |
43f082bb | 52 | #ifdef CONFIG_SYS_FSL_ERRATUM_CPU_A003999 |
cd7ad629 | 53 | mfspr r3,SPRN_HDBCR1 |
43f082bb | 54 | oris r3,r3,0x0100 |
cd7ad629 | 55 | mtspr SPRN_HDBCR1,r3 |
43f082bb KG |
56 | #endif |
57 | ||
33eee330 SW |
58 | #ifdef CONFIG_SYS_FSL_ERRATUM_A004510 |
59 | mfspr r3,SPRN_SVR | |
60 | rlwinm r3,r3,0,0xff | |
61 | li r4,CONFIG_SYS_FSL_ERRATUM_A004510_SVR_REV | |
62 | cmpw r3,r4 | |
63 | beq 1f | |
64 | ||
65 | #ifdef CONFIG_SYS_FSL_ERRATUM_A004510_SVR_REV2 | |
66 | li r4,CONFIG_SYS_FSL_ERRATUM_A004510_SVR_REV2 | |
67 | cmpw r3,r4 | |
68 | beq 1f | |
69 | #endif | |
70 | ||
71 | /* Not a supported revision affected by erratum */ | |
72 | b 2f | |
73 | ||
74 | 1: /* Erratum says set bits 55:60 to 001001 */ | |
75 | msync | |
76 | isync | |
cd7ad629 | 77 | mfspr r3,SPRN_HDBCR0 |
33eee330 SW |
78 | li r4,0x48 |
79 | rlwimi r3,r4,0,0x1f8 | |
cd7ad629 | 80 | mtspr SPRN_HDBCR0,r3 |
33eee330 SW |
81 | isync |
82 | 2: | |
83 | #endif | |
84 | ||
ec2b74ff | 85 | /* Enable branch prediction */ |
69bcf5bc KG |
86 | lis r3,BUCSR_ENABLE@h |
87 | ori r3,r3,BUCSR_ENABLE@l | |
ec2b74ff KG |
88 | mtspr SPRN_BUCSR,r3 |
89 | ||
e0ff3d35 KG |
90 | /* Ensure TB is 0 */ |
91 | li r3,0 | |
92 | mttbl r3 | |
93 | mttbu r3 | |
94 | ||
ec2b74ff | 95 | /* Enable/invalidate the I-Cache */ |
33f57bd5 KG |
96 | lis r2,(L1CSR1_ICFI|L1CSR1_ICLFR)@h |
97 | ori r2,r2,(L1CSR1_ICFI|L1CSR1_ICLFR)@l | |
98 | mtspr SPRN_L1CSR1,r2 | |
99 | 1: | |
100 | mfspr r3,SPRN_L1CSR1 | |
101 | and. r1,r3,r2 | |
102 | bne 1b | |
103 | ||
104 | lis r3,(L1CSR1_CPE|L1CSR1_ICE)@h | |
105 | ori r3,r3,(L1CSR1_CPE|L1CSR1_ICE)@l | |
106 | mtspr SPRN_L1CSR1,r3 | |
ec2b74ff | 107 | isync |
33f57bd5 KG |
108 | 2: |
109 | mfspr r3,SPRN_L1CSR1 | |
110 | andi. r1,r3,L1CSR1_ICE@l | |
111 | beq 2b | |
ec2b74ff KG |
112 | |
113 | /* Enable/invalidate the D-Cache */ | |
33f57bd5 KG |
114 | lis r2,(L1CSR0_DCFI|L1CSR0_DCLFR)@h |
115 | ori r2,r2,(L1CSR0_DCFI|L1CSR0_DCLFR)@l | |
116 | mtspr SPRN_L1CSR0,r2 | |
117 | 1: | |
118 | mfspr r3,SPRN_L1CSR0 | |
119 | and. r1,r3,r2 | |
120 | bne 1b | |
121 | ||
122 | lis r3,(L1CSR0_CPE|L1CSR0_DCE)@h | |
123 | ori r3,r3,(L1CSR0_CPE|L1CSR0_DCE)@l | |
124 | mtspr SPRN_L1CSR0,r3 | |
ec2b74ff | 125 | isync |
33f57bd5 KG |
126 | 2: |
127 | mfspr r3,SPRN_L1CSR0 | |
128 | andi. r1,r3,L1CSR0_DCE@l | |
129 | beq 2b | |
ec2b74ff KG |
130 | |
131 | #define toreset(x) (x - __secondary_start_page + 0xfffff000) | |
132 | ||
133 | /* get our PIR to figure out our table entry */ | |
ffd06e02 YS |
134 | lis r3,toreset(__spin_table_addr)@h |
135 | ori r3,r3,toreset(__spin_table_addr)@l | |
136 | lwz r3,0(r3) | |
ec2b74ff | 137 | |
ec2b74ff | 138 | mfspr r0,SPRN_PIR |
615f0cba | 139 | #ifdef CONFIG_SYS_FSL_QORIQ_CHASSIS2 |
709389b6 | 140 | /* |
615f0cba | 141 | * PIR definition for Chassis 2 |
709389b6 | 142 | * 0-17 Reserved (logic 0s) |
f6981439 | 143 | * 18-19 CHIP_ID, 2'b00 - SoC 1 |
709389b6 | 144 | * all others - reserved |
0c7e65f3 | 145 | * 20-24 CLUSTER_ID 5'b00000 - CCM 1 |
709389b6 | 146 | * all others - reserved |
0c7e65f3 TT |
147 | * 25-26 CORE_CLUSTER_ID 2'b00 - cluster 1 |
148 | * 2'b01 - cluster 2 | |
149 | * 2'b10 - cluster 3 | |
150 | * 2'b11 - cluster 4 | |
151 | * 27-28 CORE_ID 2'b00 - core 0 | |
152 | * 2'b01 - core 1 | |
153 | * 2'b10 - core 2 | |
154 | * 2'b11 - core 3 | |
155 | * 29-31 THREAD_ID 3'b000 - thread 0 | |
156 | * 3'b001 - thread 1 | |
f6981439 YS |
157 | * |
158 | * Power-on PIR increments threads by 0x01, cores within a cluster by 0x08 | |
159 | * and clusters by 0x20. | |
160 | * | |
161 | * We renumber PIR so that all threads in the system are consecutive. | |
709389b6 | 162 | */ |
f6981439 YS |
163 | |
164 | rlwinm r8,r0,29,0x03 /* r8 = core within cluster */ | |
165 | srwi r10,r0,5 /* r10 = cluster */ | |
166 | ||
167 | mulli r5,r10,CONFIG_SYS_FSL_CORES_PER_CLUSTER | |
168 | add r5,r5,r8 /* for spin table index */ | |
169 | mulli r4,r5,CONFIG_SYS_FSL_THREADS_PER_CORE /* for PIR */ | |
709389b6 | 170 | #elif defined(CONFIG_E500MC) |
0f060c3b | 171 | rlwinm r4,r0,27,27,31 |
f6981439 | 172 | mr r5,r4 |
0f060c3b | 173 | #else |
ec2b74ff | 174 | mr r4,r0 |
f6981439 | 175 | mr r5,r4 |
0f060c3b | 176 | #endif |
79679d80 | 177 | |
709389b6 | 178 | /* |
f6981439 YS |
179 | * r10 has the base address for the entry. |
180 | * we cannot access it yet before setting up a new TLB | |
709389b6 | 181 | */ |
f6981439 YS |
182 | slwi r8,r5,6 /* spin table is padded to 64 byte */ |
183 | add r10,r3,r8 | |
709389b6 YS |
184 | |
185 | mtspr SPRN_PIR,r4 /* write to PIR register */ | |
186 | ||
6d2b9da1 YS |
187 | #ifdef CONFIG_SYS_CACHE_STASHING |
188 | /* set stash id to (coreID) * 2 + 32 + L1 CT (0) */ | |
189 | slwi r8,r4,1 | |
190 | addi r8,r8,32 | |
191 | mtspr L1CSR2,r8 | |
192 | #endif | |
193 | ||
5e23ab0a YS |
194 | #if defined(CONFIG_SYS_P4080_ERRATUM_CPU22) || \ |
195 | defined(CONFIG_SYS_FSL_ERRATUM_NMG_CPU_A011) | |
196 | /* | |
197 | * CPU22 applies to P4080 rev 1.0, 2.0, fixed in 3.0 | |
198 | * NMG_CPU_A011 applies to P4080 rev 1.0, 2.0, fixed in 3.0 | |
199 | * also appleis to P3041 rev 1.0, 1.1, P2041 rev 1.0, 1.1 | |
200 | */ | |
1e9ea85f | 201 | mfspr r3,SPRN_SVR |
5e23ab0a YS |
202 | rlwinm r6,r3,24,~0x800 /* clear E bit */ |
203 | ||
204 | lis r5,SVR_P4080@h | |
205 | ori r5,r5,SVR_P4080@l | |
206 | cmpw r6,r5 | |
207 | bne 1f | |
208 | ||
1e9ea85f | 209 | rlwinm r3,r3,0,0xf0 |
5e23ab0a YS |
210 | li r5,0x30 |
211 | cmpw r3,r5 | |
1e9ea85f | 212 | bge 2f |
5e23ab0a | 213 | 1: |
57125f22 YS |
214 | #ifdef CONFIG_SYS_FSL_ERRATUM_NMG_CPU_A011 |
215 | lis r3,toreset(enable_cpu_a011_workaround)@ha | |
216 | lwz r3,toreset(enable_cpu_a011_workaround)@l(r3) | |
217 | cmpwi r3,0 | |
218 | beq 2f | |
219 | #endif | |
5e23ab0a YS |
220 | mfspr r3,L1CSR2 |
221 | oris r3,r3,(L1CSR2_DCWS)@h | |
222 | mtspr L1CSR2,r3 | |
1e9ea85f | 223 | 2: |
fd3c9bef KG |
224 | #endif |
225 | ||
d217a9ad YS |
226 | #ifdef CONFIG_SYS_FSL_ERRATUM_A005812 |
227 | /* | |
228 | * A-005812 workaround sets bit 32 of SPR 976 for SoCs running in | |
229 | * write shadow mode. This code should run after other code setting | |
230 | * DCWS. | |
231 | */ | |
232 | mfspr r3,L1CSR2 | |
233 | andis. r3,r3,(L1CSR2_DCWS)@h | |
234 | beq 1f | |
235 | mfspr r3, SPRN_HDBCR0 | |
236 | oris r3, r3, 0x8000 | |
237 | mtspr SPRN_HDBCR0, r3 | |
238 | 1: | |
239 | #endif | |
240 | ||
1b3e4044 | 241 | #ifdef CONFIG_BACKSIDE_L2_CACHE |
acf3f8da | 242 | /* skip L2 setup on P2040/P2040E as they have no L2 */ |
feae3424 YS |
243 | mfspr r3,SPRN_SVR |
244 | rlwinm r6,r3,24,~0x800 /* clear E bit of SVR */ | |
245 | ||
acf3f8da KG |
246 | lis r3,SVR_P2040@h |
247 | ori r3,r3,SVR_P2040@l | |
feae3424 | 248 | cmpw r6,r3 |
acf3f8da KG |
249 | beq 3f |
250 | ||
1b3e4044 KG |
251 | /* Enable/invalidate the L2 cache */ |
252 | msync | |
ff882295 DL |
253 | lis r2,(L2CSR0_L2FI|L2CSR0_L2LFC)@h |
254 | ori r2,r2,(L2CSR0_L2FI|L2CSR0_L2LFC)@l | |
255 | mtspr SPRN_L2CSR0,r2 | |
1b3e4044 KG |
256 | 1: |
257 | mfspr r3,SPRN_L2CSR0 | |
ff882295 | 258 | and. r1,r3,r2 |
1b3e4044 KG |
259 | bne 1b |
260 | ||
82fd1f8d KG |
261 | #ifdef CONFIG_SYS_CACHE_STASHING |
262 | /* set stash id to (coreID) * 2 + 32 + L2 (1) */ | |
263 | addi r3,r8,1 | |
264 | mtspr SPRN_L2CSR1,r3 | |
265 | #endif | |
266 | ||
1b3e4044 KG |
267 | lis r3,CONFIG_SYS_INIT_L2CSR0@h |
268 | ori r3,r3,CONFIG_SYS_INIT_L2CSR0@l | |
269 | mtspr SPRN_L2CSR0,r3 | |
270 | isync | |
ff882295 DL |
271 | 2: |
272 | mfspr r3,SPRN_L2CSR0 | |
273 | andis. r1,r3,L2CSR0_L2E@h | |
274 | beq 2b | |
1b3e4044 | 275 | #endif |
acf3f8da | 276 | 3: |
ffd06e02 YS |
277 | /* setup mapping for the spin table, WIMGE=0b00100 */ |
278 | lis r13,toreset(__spin_table_addr)@h | |
279 | ori r13,r13,toreset(__spin_table_addr)@l | |
5ccd29c3 | 280 | lwz r13,0(r13) |
ffd06e02 YS |
281 | /* mask by 4K */ |
282 | rlwinm r13,r13,0,0,19 | |
5ccd29c3 | 283 | |
79679d80 KG |
284 | lis r11,(MAS0_TLBSEL(1)|MAS0_ESEL(1))@h |
285 | mtspr SPRN_MAS0,r11 | |
286 | lis r11,(MAS1_VALID|MAS1_IPROT)@h | |
287 | ori r11,r11,(MAS1_TS|MAS1_TSIZE(BOOKE_PAGESZ_4K))@l | |
288 | mtspr SPRN_MAS1,r11 | |
ffd06e02 YS |
289 | oris r11,r13,(MAS2_M|MAS2_G)@h |
290 | ori r11,r13,(MAS2_M|MAS2_G)@l | |
79679d80 | 291 | mtspr SPRN_MAS2,r11 |
5ccd29c3 PT |
292 | oris r11,r13,(MAS3_SX|MAS3_SW|MAS3_SR)@h |
293 | ori r11,r13,(MAS3_SX|MAS3_SW|MAS3_SR)@l | |
79679d80 | 294 | mtspr SPRN_MAS3,r11 |
ffd06e02 YS |
295 | li r11,0 |
296 | mtspr SPRN_MAS7,r11 | |
79679d80 KG |
297 | tlbwe |
298 | ||
5ccd29c3 | 299 | /* |
ffd06e02 YS |
300 | * __bootpg_addr has the address of __second_half_boot_page |
301 | * jump there in AS=1 space with cache enabled | |
5ccd29c3 | 302 | */ |
ffd06e02 YS |
303 | lis r13,toreset(__bootpg_addr)@h |
304 | ori r13,r13,toreset(__bootpg_addr)@l | |
305 | lwz r11,0(r13) | |
306 | mtspr SPRN_SRR0,r11 | |
79679d80 KG |
307 | mfmsr r13 |
308 | ori r12,r13,MSR_IS|MSR_DS@l | |
79679d80 KG |
309 | mtspr SPRN_SRR1,r12 |
310 | rfi | |
ec2b74ff | 311 | |
ffd06e02 YS |
312 | /* |
313 | * Allocate some space for the SDRAM address of the bootpg. | |
314 | * This variable has to be in the boot page so that it can | |
315 | * be accessed by secondary cores when they come out of reset. | |
316 | */ | |
317 | .align L1_CACHE_SHIFT | |
318 | .globl __bootpg_addr | |
319 | __bootpg_addr: | |
320 | .long 0 | |
321 | ||
322 | .global __spin_table_addr | |
323 | __spin_table_addr: | |
324 | .long 0 | |
325 | ||
326 | /* | |
327 | * This variable is set by cpu_init_r() after parsing hwconfig | |
328 | * to enable workaround for erratum NMG_CPU_A011. | |
329 | */ | |
330 | .align L1_CACHE_SHIFT | |
331 | .global enable_cpu_a011_workaround | |
332 | enable_cpu_a011_workaround: | |
333 | .long 1 | |
334 | ||
335 | /* Fill in the empty space. The actual reset vector is | |
336 | * the last word of the page */ | |
337 | __secondary_start_code_end: | |
338 | .space 4092 - (__secondary_start_code_end - __secondary_start_page) | |
339 | __secondary_reset_vector: | |
340 | b __secondary_start_page | |
341 | ||
342 | ||
343 | /* this is a separated page for the spin table and cacheable boot code */ | |
344 | .align L1_CACHE_SHIFT | |
345 | .global __second_half_boot_page | |
346 | __second_half_boot_page: | |
2a5fcb83 YS |
347 | #ifdef CONFIG_PPC_SPINTABLE_COMPATIBLE |
348 | lis r3,(spin_table_compat - __second_half_boot_page)@h | |
349 | ori r3,r3,(spin_table_compat - __second_half_boot_page)@l | |
350 | add r3,r3,r11 /* r11 has the address of __second_half_boot_page */ | |
351 | lwz r14,0(r3) | |
352 | #endif | |
353 | ||
ffd06e02 YS |
354 | #define ENTRY_ADDR_UPPER 0 |
355 | #define ENTRY_ADDR_LOWER 4 | |
356 | #define ENTRY_R3_UPPER 8 | |
357 | #define ENTRY_R3_LOWER 12 | |
358 | #define ENTRY_RESV 16 | |
359 | #define ENTRY_PIR 20 | |
360 | #define ENTRY_SIZE 64 | |
361 | /* | |
362 | * setup the entry | |
363 | * r10 has the base address of the spin table. | |
364 | * spin table is defined as | |
365 | * struct { | |
366 | * uint64_t entry_addr; | |
367 | * uint64_t r3; | |
368 | * uint32_t rsvd1; | |
369 | * uint32_t pir; | |
370 | * }; | |
371 | * we pad this struct to 64 bytes so each entry is in its own cacheline | |
372 | */ | |
373 | li r3,0 | |
374 | li r8,1 | |
375 | mfspr r4,SPRN_PIR | |
376 | stw r3,ENTRY_ADDR_UPPER(r10) | |
377 | stw r3,ENTRY_R3_UPPER(r10) | |
378 | stw r4,ENTRY_R3_LOWER(r10) | |
379 | stw r3,ENTRY_RESV(r10) | |
380 | stw r4,ENTRY_PIR(r10) | |
381 | msync | |
382 | stw r8,ENTRY_ADDR_LOWER(r10) | |
383 | ||
ec2b74ff | 384 | /* spin waiting for addr */ |
2a5fcb83 YS |
385 | 3: |
386 | /* | |
387 | * To comply with ePAPR 1.1, the spin table has been moved to cache-enabled | |
388 | * memory. Old OS may not work with this change. A patch is waiting to be | |
389 | * accepted for Linux kernel. Other OS needs similar fix to spin table. | |
390 | * For OSes with old spin table code, we can enable this temporary fix by | |
391 | * setting environmental variable "spin_table_compat". For new OSes, set | |
392 | * "spin_table_compat=no". After Linux is fixed, we can remove this macro | |
393 | * and related code. For now, it is enabled by default. | |
394 | */ | |
395 | #ifdef CONFIG_PPC_SPINTABLE_COMPATIBLE | |
396 | cmpwi r14,0 | |
397 | beq 4f | |
398 | dcbf 0, r10 | |
399 | sync | |
400 | 4: | |
401 | #endif | |
402 | lwz r4,ENTRY_ADDR_LOWER(r10) | |
ec2b74ff | 403 | andi. r11,r4,1 |
ffd06e02 | 404 | bne 3b |
cf6cc014 | 405 | isync |
79679d80 KG |
406 | |
407 | /* get the upper bits of the addr */ | |
408 | lwz r11,ENTRY_ADDR_UPPER(r10) | |
ec2b74ff KG |
409 | |
410 | /* setup branch addr */ | |
79679d80 | 411 | mtspr SPRN_SRR0,r4 |
ec2b74ff KG |
412 | |
413 | /* mark the entry as released */ | |
414 | li r8,3 | |
79679d80 | 415 | stw r8,ENTRY_ADDR_LOWER(r10) |
ec2b74ff KG |
416 | |
417 | /* mask by ~64M to setup our tlb we will jump to */ | |
79679d80 | 418 | rlwinm r12,r4,0,0,5 |
ec2b74ff | 419 | |
ffd06e02 YS |
420 | /* |
421 | * setup r3, r4, r5, r6, r7, r8, r9 | |
422 | * r3 contains the value to put in the r3 register at secondary cpu | |
423 | * entry. The high 32-bits are ignored on 32-bit chip implementations. | |
424 | * 64-bit chip implementations however shall load all 64-bits | |
425 | */ | |
426 | #ifdef CONFIG_SYS_PPC64 | |
427 | ld r3,ENTRY_R3_UPPER(r10) | |
428 | #else | |
79679d80 | 429 | lwz r3,ENTRY_R3_LOWER(r10) |
ffd06e02 | 430 | #endif |
79679d80 | 431 | li r4,0 |
ec2b74ff | 432 | li r5,0 |
3f0997b3 | 433 | li r6,0 |
79679d80 KG |
434 | lis r7,(64*1024*1024)@h |
435 | li r8,0 | |
436 | li r9,0 | |
ec2b74ff KG |
437 | |
438 | /* load up the pir */ | |
79679d80 | 439 | lwz r0,ENTRY_PIR(r10) |
ec2b74ff KG |
440 | mtspr SPRN_PIR,r0 |
441 | mfspr r0,SPRN_PIR | |
79679d80 | 442 | stw r0,ENTRY_PIR(r10) |
ec2b74ff | 443 | |
181a3650 | 444 | mtspr IVPR,r12 |
ec2b74ff KG |
445 | /* |
446 | * Coming here, we know the cpu has one TLB mapping in TLB1[0] | |
447 | * which maps 0xfffff000-0xffffffff one-to-one. We set up a | |
448 | * second mapping that maps addr 1:1 for 64M, and then we jump to | |
449 | * addr | |
450 | */ | |
79679d80 KG |
451 | lis r10,(MAS0_TLBSEL(1)|MAS0_ESEL(0))@h |
452 | mtspr SPRN_MAS0,r10 | |
453 | lis r10,(MAS1_VALID|MAS1_IPROT)@h | |
454 | ori r10,r10,(MAS1_TSIZE(BOOKE_PAGESZ_64M))@l | |
455 | mtspr SPRN_MAS1,r10 | |
ec2b74ff | 456 | /* WIMGE = 0b00000 for now */ |
79679d80 KG |
457 | mtspr SPRN_MAS2,r12 |
458 | ori r12,r12,(MAS3_SX|MAS3_SW|MAS3_SR) | |
459 | mtspr SPRN_MAS3,r12 | |
460 | #ifdef CONFIG_ENABLE_36BIT_PHYS | |
461 | mtspr SPRN_MAS7,r11 | |
462 | #endif | |
ec2b74ff KG |
463 | tlbwe |
464 | ||
465 | /* Now we have another mapping for this page, so we jump to that | |
466 | * mapping | |
467 | */ | |
79679d80 KG |
468 | mtspr SPRN_SRR1,r13 |
469 | rfi | |
ec2b74ff | 470 | |
5ccd29c3 | 471 | |
ffd06e02 | 472 | .align 6 |
ec2b74ff KG |
473 | .globl __spin_table |
474 | __spin_table: | |
0e870980 | 475 | .space CONFIG_MAX_CPUS*ENTRY_SIZE |
2a5fcb83 YS |
476 | |
477 | #ifdef CONFIG_PPC_SPINTABLE_COMPATIBLE | |
478 | .align L1_CACHE_SHIFT | |
479 | .global spin_table_compat | |
480 | spin_table_compat: | |
481 | .long 1 | |
482 | ||
483 | #endif | |
484 | ||
ffd06e02 YS |
485 | __spin_table_end: |
486 | .space 4096 - (__spin_table_end - __spin_table) |