aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/omap24xx/patches-3.1/210-omap2-kexec-rewrite.patch
blob: 0c26af2ab105cf30813b77d019cf533208268a6b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1888,7 +1888,7 @@ config XIP_PHYS_ADDR
 
 config KEXEC
 	bool "Kexec system call (EXPERIMENTAL)"
-	depends on EXPERIMENTAL
+	depends on EXPERIMENTAL && (!SMP || HOTPLUG_CPU)
 	help
 	  kexec is a system call that implements the ability to shutdown your
 	  current kernel, and to start another kernel.  It is like a reboot
--- /dev/null
+++ b/arch/arm/include/asm/idmap.h
@@ -0,0 +1,11 @@
+#ifndef __ASM_IDMAP_H
+#define __ASM_IDMAP_H
+
+#include <linux/compiler.h>
+
+/* Tag a function as requiring to be executed via an identity mapping. */
+#define __idmap __section(.idmap.text) noinline notrace
+
+void setup_mm_for_reboot(void);
+
+#endif	/* __ASM_IDMAP_H */
--- a/arch/arm/include/asm/mach/arch.h
+++ b/arch/arm/include/asm/mach/arch.h
@@ -30,10 +30,10 @@ struct machine_desc {
 	unsigned int		video_start;	/* start of video RAM	*/
 	unsigned int		video_end;	/* end of video RAM	*/
 
-	unsigned int		reserve_lp0 :1;	/* never has lp0	*/
-	unsigned int		reserve_lp1 :1;	/* never has lp1	*/
-	unsigned int		reserve_lp2 :1;	/* never has lp2	*/
-	unsigned int		soft_reboot :1;	/* soft reboot		*/
+	unsigned char		reserve_lp0 :1;	/* never has lp0	*/
+	unsigned char		reserve_lp1 :1;	/* never has lp1	*/
+	unsigned char		reserve_lp2 :1;	/* never has lp2	*/
+	char			restart_mode;	/* default restart mode	*/
 	void			(*fixup)(struct machine_desc *,
 					 struct tag *, char **,
 					 struct meminfo *);
@@ -46,6 +46,7 @@ struct machine_desc {
 #ifdef CONFIG_MULTI_IRQ_HANDLER
 	void			(*handle_irq)(struct pt_regs *);
 #endif
+	void			(*restart)(char, const char *);
 };
 
 /*
--- a/arch/arm/include/asm/system.h
+++ b/arch/arm/include/asm/system.h
@@ -107,7 +107,7 @@ extern void __show_regs(struct pt_regs *
 extern int cpu_architecture(void);
 extern void cpu_init(void);
 
-void arm_machine_restart(char mode, const char *cmd);
+void soft_restart(unsigned long);
 extern void (*arm_pm_restart)(char str, const char *cmd);
 
 #define UDBG_UNDEFINED	(1 << 0)
--- a/arch/arm/kernel/machine_kexec.c
+++ b/arch/arm/kernel/machine_kexec.c
@@ -12,12 +12,11 @@
 #include <asm/mmu_context.h>
 #include <asm/cacheflush.h>
 #include <asm/mach-types.h>
+#include <asm/system.h>
 
 extern const unsigned char relocate_new_kernel[];
 extern const unsigned int relocate_new_kernel_size;
 
-extern void setup_mm_for_reboot(char mode);
-
 extern unsigned long kexec_start_address;
 extern unsigned long kexec_indirection_page;
 extern unsigned long kexec_mach_type;
@@ -111,14 +110,6 @@ void machine_kexec(struct kimage *image)
 
 	if (kexec_reinit)
 		kexec_reinit();
-	local_irq_disable();
-	local_fiq_disable();
-	setup_mm_for_reboot(0); /* mode is not used, so just pass 0*/
-	flush_cache_all();
-	outer_flush_all();
-	outer_disable();
-	cpu_proc_fin();
-	outer_inv_all();
-	flush_cache_all();
-	cpu_reset(reboot_code_buffer_phys);
+
+	soft_restart(reboot_code_buffer_phys);
 }
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -57,7 +57,7 @@ static const char *isa_modes[] = {
   "ARM" , "Thumb" , "Jazelle", "ThumbEE"
 };
 
-extern void setup_mm_for_reboot(char mode);
+extern void setup_mm_for_reboot(void);
 
 static volatile int hlt_counter;
 
@@ -92,40 +92,64 @@ static int __init hlt_setup(char *__unus
 __setup("nohlt", nohlt_setup);
 __setup("hlt", hlt_setup);
 
-void arm_machine_restart(char mode, const char *cmd)
+extern void call_with_stack(void (*fn)(void *), void *arg, void *sp);
+typedef void (*phys_reset_t)(unsigned long);
+
+/*
+ * A temporary stack to use for CPU reset. This is static so that we
+ * don't clobber it with the identity mapping. When running with this
+ * stack, any references to the current task *will not work* so you
+ * should really do as little as possible before jumping to your reset
+ * code.
+ */
+#define SOFT_RESTART_STACK_WORDS	32
+static u32 soft_restart_stack[SOFT_RESTART_STACK_WORDS];
+
+static void __soft_restart(void *addr)
 {
-	/* Disable interrupts first */
-	local_irq_disable();
-	local_fiq_disable();
+	phys_reset_t phys_reset;
 
-	/*
-	 * Tell the mm system that we are going to reboot -
-	 * we may need it to insert some 1:1 mappings so that
-	 * soft boot works.
-	 */
-	setup_mm_for_reboot(mode);
+	/* Take out a flat memory mapping. */
+	setup_mm_for_reboot();
 
-	/* Clean and invalidate caches */
+	/* Clean and invalidate caches. */
 	flush_cache_all();
 
-	/* Turn off caching */
+	/* Turn off caching. */
 	cpu_proc_fin();
 
 	/* Push out any further dirty data, and ensure cache is empty */
 	flush_cache_all();
 
-	/*
-	 * Now call the architecture specific reboot code.
-	 */
-	arch_reset(mode, cmd);
-
-	/*
-	 * Whoops - the architecture was unable to reboot.
-	 * Tell the user!
-	 */
-	mdelay(1000);
-	printk("Reboot failed -- System halted\n");
-	while (1);
+	/* Switch to the identity mapping. */
+	phys_reset = (phys_reset_t)(unsigned long)virt_to_phys(cpu_reset);
+	phys_reset((unsigned long)addr);
+
+	/* Should never get here. */
+	BUG();
+}
+
+void soft_restart(unsigned long addr)
+{
+	u32 *stack = soft_restart_stack + SOFT_RESTART_STACK_WORDS;
+
+	/* Disable interrupts first */
+	local_irq_disable();
+	local_fiq_disable();
+
+	/* Disable the L2 if we're the last man standing. */
+	if (num_online_cpus() == 1)
+		outer_disable();
+
+	/* Change to the new stack and continue with the reset. */
+	call_with_stack(__soft_restart, (void *)addr, (void *)stack);
+
+	/* Should never get here. */
+	BUG();
+}
+
+static void null_restart(char mode, const char *cmd)
+{
 }
 
 /*
@@ -134,7 +158,7 @@ void arm_machine_restart(char mode, cons
 void (*pm_power_off)(void);
 EXPORT_SYMBOL(pm_power_off);
 
-void (*arm_pm_restart)(char str, const char *cmd) = arm_machine_restart;
+void (*arm_pm_restart)(char str, const char *cmd) = null_restart;
 EXPORT_SYMBOL_GPL(arm_pm_restart);
 
 static void do_nothing(void *unused)
@@ -253,7 +277,15 @@ void machine_power_off(void)
 void machine_restart(char *cmd)
 {
 	machine_shutdown();
+
 	arm_pm_restart(reboot_mode, cmd);
+
+	/* Give a grace period for failure to restart of 1s */
+	mdelay(1000);
+
+	/* Whoops - the platform was unable to reboot. Tell the user! */
+	printk("Reboot failed -- System halted\n");
+	while (1);
 }
 
 void __show_regs(struct pt_regs *regs)
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -896,8 +896,8 @@ void __init setup_arch(char **cmdline_p)
 		arm_dma_zone_size = mdesc->dma_zone_size;
 	}
 #endif
-	if (mdesc->soft_reboot)
-		reboot_setup("s");
+	if (mdesc->restart_mode)
+		reboot_setup(&mdesc->restart_mode);
 
 	init_mm.start_code = (unsigned long) _text;
 	init_mm.end_code   = (unsigned long) _etext;
@@ -916,6 +916,9 @@ void __init setup_arch(char **cmdline_p)
 	paging_init(mdesc);
 	request_standard_resources(mdesc);
 
+	if (mdesc->restart)
+		arm_pm_restart = mdesc->restart;
+
 	unflatten_device_tree();
 
 #ifdef CONFIG_SMP
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -558,6 +558,10 @@ static void ipi_cpu_stop(unsigned int cp
 	local_fiq_disable();
 	local_irq_disable();
 
+#ifdef CONFIG_HOTPLUG_CPU
+	platform_cpu_kill(cpu);
+#endif
+
 	while (1)
 		cpu_relax();
 }
--- a/arch/arm/kernel/vmlinux.lds.S
+++ b/arch/arm/kernel/vmlinux.lds.S
@@ -91,6 +91,7 @@ SECTIONS
 			SCHED_TEXT
 			LOCK_TEXT
 			KPROBES_TEXT
+			IDMAP_TEXT
 #ifdef CONFIG_MMU
 			*(.fixup)
 #endif
--- a/arch/arm/lib/Makefile
+++ b/arch/arm/lib/Makefile
@@ -13,7 +13,8 @@ lib-y		:= backtrace.o changebit.o csumip
 		   testchangebit.o testclearbit.o testsetbit.o        \
 		   ashldi3.o ashrdi3.o lshrdi3.o muldi3.o             \
 		   ucmpdi2.o lib1funcs.o div64.o                      \
-		   io-readsb.o io-writesb.o io-readsl.o io-writesl.o
+		   io-readsb.o io-writesb.o io-readsl.o io-writesl.o  \
+		   call_with_stack.o
 
 mmu-y	:= clear_user.o copy_page.o getuser.o putuser.o
 
--- /dev/null
+++ b/arch/arm/lib/call_with_stack.S
@@ -0,0 +1,44 @@
+/*
+ * arch/arm/lib/call_with_stack.S
+ *
+ * Copyright (C) 2011 ARM Ltd.
+ * Written by Will Deacon <will.deacon@arm.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/linkage.h>
+#include <asm/assembler.h>
+
+/*
+ * void call_with_stack(void (*fn)(void *), void *arg, void *sp)
+ *
+ * Change the stack to that pointed at by sp, then invoke fn(arg) with
+ * the new stack.
+ */
+ENTRY(call_with_stack)
+	str	sp, [r2, #-4]!
+	str	lr, [r2, #-4]!
+
+	mov	sp, r2
+	mov	r2, r0
+	mov	r0, r1
+
+	adr	lr, BSYM(1f)
+	mov	pc, r2
+
+1:	ldr	lr, [sp]
+	ldr	sp, [sp, #4]
+	mov	pc, lr
+ENDPROC(call_with_stack)
--- a/arch/arm/mach-omap2/board-2430sdp.c
+++ b/arch/arm/mach-omap2/board-2430sdp.c
@@ -34,7 +34,7 @@
 #include <asm/mach/map.h>
 
 #include <plat/board.h>
-#include <plat/common.h>
+#include "common.h"
 #include <plat/gpmc.h>
 #include <plat/usb.h>
 #include <plat/gpmc-smc91x.h>
@@ -264,4 +264,5 @@ MACHINE_START(OMAP_2430SDP, "OMAP2430 sd
 	.init_irq	= omap2_init_irq,
 	.init_machine	= omap_2430sdp_init,
 	.timer		= &omap2_timer,
+	.restart	= omap_prcm_restart,
 MACHINE_END
--- a/arch/arm/mach-omap2/board-3430sdp.c
+++ b/arch/arm/mach-omap2/board-3430sdp.c
@@ -33,7 +33,7 @@
 #include <plat/mcspi.h>
 #include <plat/board.h>
 #include <plat/usb.h>
-#include <plat/common.h>
+#include "common.h"
 #include <plat/dma.h>
 #include <plat/gpmc.h>
 #include <video/omapdss.h>
@@ -736,4 +736,5 @@ MACHINE_START(OMAP_3430SDP, "OMAP3430 34
 	.init_irq	= omap3_init_irq,
 	.init_machine	= omap_3430sdp_init,
 	.timer		= &omap3_timer,
+	.restart	= omap_prcm_restart,
 MACHINE_END
--- a/arch/arm/mach-omap2/board-3630sdp.c
+++ b/arch/arm/mach-omap2/board-3630sdp.c
@@ -16,7 +16,7 @@
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 
-#include <plat/common.h>
+#include "common.h"
 #include <plat/board.h>
 #include <plat/gpmc-smc91x.h>
 #include <plat/usb.h>
@@ -222,4 +222,5 @@ MACHINE_START(OMAP_3630SDP, "OMAP 3630SD
 	.init_irq	= omap3_init_irq,
 	.init_machine	= omap_sdp_init,
 	.timer		= &omap3_timer,
+	.restart	= omap_prcm_restart,
 MACHINE_END
--- a/arch/arm/mach-omap2/board-4430sdp.c
+++ b/arch/arm/mach-omap2/board-4430sdp.c
@@ -27,13 +27,12 @@
 #include <linux/leds_pwm.h>
 
 #include <mach/hardware.h>
-#include <mach/omap4-common.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
 
 #include <plat/board.h>
-#include <plat/common.h>
+#include "common.h"
 #include <plat/usb.h>
 #include <plat/mmc.h>
 #include <plat/omap4-keypad.h>
@@ -845,4 +844,5 @@ MACHINE_START(OMAP_4430SDP, "OMAP4430 44
 	.init_irq	= gic_init_irq,
 	.init_machine	= omap_4430sdp_init,
 	.timer		= &omap4_timer,
+	.restart	= omap_prcm_restart,
 MACHINE_END
--- a/arch/arm/mach-omap2/board-am3517crane.c
+++ b/arch/arm/mach-omap2/board-am3517crane.c
@@ -27,7 +27,7 @@
 #include <asm/mach/map.h>
 
 #include <plat/board.h>
-#include <plat/common.h>
+#include "common.h"
 #include <plat/usb.h>
 
 #include "mux.h"
@@ -105,4 +105,5 @@ MACHINE_START(CRANEBOARD, "AM3517/05 CRA
 	.init_irq	= omap3_init_irq,
 	.init_machine	= am3517_crane_init,
 	.timer		= &omap3_timer,
+	.restart	= omap_prcm_restart,
 MACHINE_END
--- a/arch/arm/mach-omap2/board-am3517evm.c
+++ b/arch/arm/mach-omap2/board-am3517evm.c
@@ -32,7 +32,7 @@
 #include <asm/mach/map.h>
 
 #include <plat/board.h>
-#include <plat/common.h>
+#include "common.h"
 #include <plat/usb.h>
 #include <video/omapdss.h>
 #include <video/omap-panel-generic-dpi.h>
@@ -497,4 +497,5 @@ MACHINE_START(OMAP3517EVM, "OMAP3517/AM3
 	.init_irq	= omap3_init_irq,
 	.init_machine	= am3517_evm_init,
 	.timer		= &omap3_timer,
+	.restart	= omap_prcm_restart,
 MACHINE_END
--- a/arch/arm/mach-omap2/board-apollon.c
+++ b/arch/arm/mach-omap2/board-apollon.c
@@ -37,7 +37,7 @@
 #include <plat/led.h>
 #include <plat/usb.h>
 #include <plat/board.h>
-#include <plat/common.h>
+#include "common.h"
 #include <plat/gpmc.h>
 
 #include "mux.h"
@@ -357,4 +357,5 @@ MACHINE_START(OMAP_APOLLON, "OMAP24xx Ap
 	.init_irq	= omap2_init_irq,
 	.init_machine	= omap_apollon_init,
 	.timer		= &omap2_timer,
+	.restart	= omap_prcm_restart,
 MACHINE_END
--- a/arch/arm/mach-omap2/board-cm-t35.c
+++ b/arch/arm/mach-omap2/board-cm-t35.c
@@ -37,7 +37,7 @@
 #include <asm/mach/map.h>
 
 #include <plat/board.h>
-#include <plat/common.h>
+#include "common.h"
 #include <plat/nand.h>
 #include <plat/gpmc.h>
 #include <plat/usb.h>
@@ -641,6 +641,7 @@ MACHINE_START(CM_T35, "Compulab CM-T35")
 	.init_irq	= omap3_init_irq,
 	.init_machine	= cm_t35_init,
 	.timer		= &omap3_timer,
+	.restart	= omap_prcm_restart,
 MACHINE_END
 
 MACHINE_START(CM_T3730, "Compulab CM-T3730")
@@ -651,4 +652,5 @@ MACHINE_START(CM_T3730, "Compulab CM-T37
 	.init_irq       = omap3_init_irq,
 	.init_machine   = cm_t3730_init,
 	.timer          = &omap3_timer,
+	.restart	= omap_prcm_restart,
 MACHINE_END
--- a/arch/arm/mach-omap2/board-cm-t3517.c
+++ b/arch/arm/mach-omap2/board-cm-t3517.c
@@ -39,7 +39,7 @@
 #include <asm/mach/map.h>
 
 #include <plat/board.h>
-#include <plat/common.h>
+#include "common.h"
 #include <plat/usb.h>
 #include <plat/nand.h>
 #include <plat/gpmc.h>
@@ -306,4 +306,5 @@ MACHINE_START(CM_T3517, "Compulab CM-T35
 	.init_irq	= omap3_init_irq,
 	.init_machine	= cm_t3517_init,
 	.timer		= &omap3_timer,
+	.restart	= omap_prcm_restart,
 MACHINE_END
--- a/arch/arm/mach-omap2/board-devkit8000.c
+++ b/arch/arm/mach-omap2/board-devkit8000.c
@@ -41,7 +41,7 @@
 #include <asm/mach/flash.h>
 
 #include <plat/board.h>
-#include <plat/common.h>
+#include "common.h"
 #include <plat/gpmc.h>
 #include <plat/nand.h>
 #include <plat/usb.h>
@@ -674,4 +674,5 @@ MACHINE_START(DEVKIT8000, "OMAP3 Devkit8
 	.init_irq	= devkit8000_init_irq,
 	.init_machine	= devkit8000_init,
 	.timer		= &omap3_secure_timer,
+	.restart	= omap_prcm_restart,
 MACHINE_END
--- a/arch/arm/mach-omap2/board-h4.c
+++ b/arch/arm/mach-omap2/board-h4.c
@@ -34,7 +34,7 @@
 #include <mach/gpio.h>
 #include <plat/usb.h>
 #include <plat/board.h>
-#include <plat/common.h>
+#include "common.h"
 #include <plat/keypad.h>
 #include <plat/menelaus.h>
 #include <plat/dma.h>
@@ -389,4 +389,5 @@ MACHINE_START(OMAP_H4, "OMAP2420 H4 boar
 	.init_irq	= omap_h4_init_irq,
 	.init_machine	= omap_h4_init,
 	.timer		= &omap2_timer,
+	.restart	= omap_prcm_restart,
 MACHINE_END
--- a/arch/arm/mach-omap2/board-igep0020.c
+++ b/arch/arm/mach-omap2/board-igep0020.c
@@ -28,7 +28,7 @@
 #include <asm/mach/arch.h>
 
 #include <plat/board.h>
-#include <plat/common.h>
+#include "common.h"
 #include <plat/gpmc.h>
 #include <plat/usb.h>
 #include <video/omapdss.h>
@@ -679,6 +679,7 @@ MACHINE_START(IGEP0020, "IGEP v2 board")
 	.init_irq	= omap3_init_irq,
 	.init_machine	= igep_init,
 	.timer		= &omap3_timer,
+	.restart	= omap_prcm_restart,
 MACHINE_END
 
 MACHINE_START(IGEP0030, "IGEP OMAP3 module")
@@ -689,4 +690,5 @@ MACHINE_START(IGEP0030, "IGEP OMAP3 modu
 	.init_irq	= omap3_init_irq,
 	.init_machine	= igep_init,
 	.timer		= &omap3_timer,
+	.restart	= omap_prcm_restart,
 MACHINE_END
--- a/arch/arm/mach-omap2/board-ldp.c
+++ b/arch/arm/mach-omap2/board-ldp.c
@@ -36,7 +36,7 @@
 #include <plat/mcspi.h>
 #include <mach/gpio.h>
 #include <plat/board.h>
-#include <plat/common.h>
+#include "common.h"
 #include <plat/gpmc.h>
 #include <mach/board-zoom.h>
 
@@ -340,4 +340,5 @@ MACHINE_START(OMAP_LDP, "OMAP LDP board"
 	.init_irq	= omap3_init_irq,
 	.init_machine	= omap_ldp_init,
 	.timer		= &omap3_timer,
+	.restart	= omap_prcm_restart,
 MACHINE_END
--- a/arch/arm/mach-omap2/board-n8x0.c
+++ b/arch/arm/mach-omap2/board-n8x0.c
@@ -26,7 +26,7 @@
 #include <asm/mach-types.h>
 
 #include <plat/board.h>
-#include <plat/common.h>
+#include "common.h"
 #include <plat/menelaus.h>
 #include <mach/irqs.h>
 #include <plat/mcspi.h>
@@ -702,6 +702,7 @@ MACHINE_START(NOKIA_N800, "Nokia N800")
 	.init_irq	= omap2_init_irq,
 	.init_machine	= n8x0_init_machine,
 	.timer		= &omap2_timer,
+	.restart	= omap_prcm_restart,
 MACHINE_END
 
 MACHINE_START(NOKIA_N810, "Nokia N810")
@@ -712,6 +713,7 @@ MACHINE_START(NOKIA_N810, "Nokia N810")
 	.init_irq	= omap2_init_irq,
 	.init_machine	= n8x0_init_machine,
 	.timer		= &omap2_timer,
+	.restart	= omap_prcm_restart,
 MACHINE_END
 
 MACHINE_START(NOKIA_N810_WIMAX, "Nokia N810 WiMAX")
@@ -722,4 +724,5 @@ MACHINE_START(NOKIA_N810_WIMAX, "Nokia N
 	.init_irq	= omap2_init_irq,
 	.init_machine	= n8x0_init_machine,
 	.timer		= &omap2_timer,
+	.restart	= omap_prcm_restart,
 MACHINE_END
--- a/arch/arm/mach-omap2/board-omap3beagle.c
+++ b/arch/arm/mach-omap2/board-omap3beagle.c
@@ -40,7 +40,7 @@
 #include <asm/mach/flash.h>
 
 #include <plat/board.h>
-#include <plat/common.h>
+#include "common.h"
 #include <video/omapdss.h>
 #include <video/omap-panel-generic-dpi.h>
 #include <plat/gpmc.h>
@@ -564,4 +564,5 @@ MACHINE_START(OMAP3_BEAGLE, "OMAP3 Beagl
 	.init_irq	= omap3_beagle_init_irq,
 	.init_machine	= omap3_beagle_init,
 	.timer		= &omap3_secure_timer,
+	.restart	= omap_prcm_restart,
 MACHINE_END
--- a/arch/arm/mach-omap2/board-omap3evm.c
+++ b/arch/arm/mach-omap2/board-omap3evm.c
@@ -42,7 +42,7 @@
 
 #include <plat/board.h>
 #include <plat/usb.h>
-#include <plat/common.h>
+#include "common.h"
 #include <plat/mcspi.h>
 #include <video/omapdss.h>
 #include <video/omap-panel-generic-dpi.h>
@@ -688,4 +688,5 @@ MACHINE_START(OMAP3EVM, "OMAP3 EVM")
 	.init_irq	= omap3_init_irq,
 	.init_machine	= omap3_evm_init,
 	.timer		= &omap3_timer,
+	.restart	= omap_prcm_restart,
 MACHINE_END
--- a/arch/arm/mach-omap2/board-omap3logic.c
+++ b/arch/arm/mach-omap2/board-omap3logic.c
@@ -40,7 +40,7 @@
 
 #include <plat/mux.h>
 #include <plat/board.h>
-#include <plat/common.h>
+#include "common.h"
 #include <plat/gpmc-smsc911x.h>
 #include <plat/gpmc.h>
 #include <plat/sdrc.h>
@@ -215,6 +215,7 @@ MACHINE_START(OMAP3_TORPEDO, "Logic OMAP
 	.init_irq	= omap3_init_irq,
 	.init_machine	= omap3logic_init,
 	.timer		= &omap3_timer,
+	.restart	= omap_prcm_restart,
 MACHINE_END
 
 MACHINE_START(OMAP3530_LV_SOM, "OMAP Logic 3530 LV SOM board")
@@ -224,4 +225,5 @@ MACHINE_START(OMAP3530_LV_SOM, "OMAP Log
 	.init_irq	= omap3_init_irq,
 	.init_machine	= omap3logic_init,
 	.timer		= &omap3_timer,
+	.restart	= omap_prcm_restart,
 MACHINE_END
--- a/arch/arm/mach-omap2/board-omap3pandora.c
+++ b/arch/arm/mach-omap2/board-omap3pandora.c
@@ -41,7 +41,7 @@
 #include <asm/mach/map.h>
 
 #include <plat/board.h>
-#include <plat/common.h>
+#include "common.h"
 #include <mach/hardware.h>
 #include <plat/mcspi.h>
 #include <plat/usb.h>
@@ -613,4 +613,5 @@ MACHINE_START(OMAP3_PANDORA, "Pandora Ha
 	.init_irq	= omap3_init_irq,
 	.init_machine	= omap3pandora_init,
 	.timer		= &omap3_timer,
+	.restart	= omap_prcm_restart,
 MACHINE_END
--- a/arch/arm/mach-omap2/board-omap3stalker.c
+++ b/arch/arm/mach-omap2/board-omap3stalker.c
@@ -35,7 +35,7 @@
 #include <asm/mach/flash.h>
 
 #include <plat/board.h>
-#include <plat/common.h>
+#include "common.h"
 #include <plat/gpmc.h>
 #include <plat/nand.h>
 #include <plat/usb.h>
@@ -500,4 +500,5 @@ MACHINE_START(SBC3530, "OMAP3 STALKER")
 	.init_irq		= omap3_stalker_init_irq,
 	.init_machine		= omap3_stalker_init,
 	.timer			= &omap3_secure_timer,
+	.restart		= omap_prcm_restart,
 MACHINE_END
--- a/arch/arm/mach-omap2/board-omap3touchbook.c
+++ b/arch/arm/mach-omap2/board-omap3touchbook.c
@@ -44,7 +44,7 @@
 #include <asm/mach/flash.h>
 
 #include <plat/board.h>
-#include <plat/common.h>
+#include "common.h"
 #include <plat/gpmc.h>
 #include <plat/nand.h>
 #include <plat/usb.h>
@@ -411,4 +411,5 @@ MACHINE_START(TOUCHBOOK, "OMAP3 touchboo
 	.init_irq	= omap3_touchbook_init_irq,
 	.init_machine	= omap3_touchbook_init,
 	.timer		= &omap3_secure_timer,
+	.restart	= omap_prcm_restart,
 MACHINE_END
--- a/arch/arm/mach-omap2/board-omap4panda.c
+++ b/arch/arm/mach-omap2/board-omap4panda.c
@@ -30,14 +30,13 @@
 #include <linux/wl12xx.h>
 
 #include <mach/hardware.h>
-#include <mach/omap4-common.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
 #include <video/omapdss.h>
 
 #include <plat/board.h>
-#include <plat/common.h>
+#include "common.h"
 #include <plat/usb.h>
 #include <plat/mmc.h>
 #include <video/omap-panel-generic-dpi.h>
@@ -590,4 +589,5 @@ MACHINE_START(OMAP4_PANDA, "OMAP4 Panda
 	.init_irq	= gic_init_irq,
 	.init_machine	= omap4_panda_init,
 	.timer		= &omap4_timer,
+	.restart	= omap_prcm_restart,
 MACHINE_END
--- a/arch/arm/mach-omap2/board-overo.c
+++ b/arch/arm/mach-omap2/board-overo.c
@@ -43,7 +43,7 @@
 #include <asm/mach/map.h>
 
 #include <plat/board.h>
-#include <plat/common.h>
+#include "common.h"
 #include <video/omapdss.h>
 #include <video/omap-panel-generic-dpi.h>
 #include <plat/gpmc.h>
@@ -568,4 +568,5 @@ MACHINE_START(OVERO, "Gumstix Overo")
 	.init_irq	= omap3_init_irq,
 	.init_machine	= overo_init,
 	.timer		= &omap3_timer,
+	.restart	= omap_prcm_restart,
 MACHINE_END
--- a/arch/arm/mach-omap2/board-rm680.c
+++ b/arch/arm/mach-omap2/board-rm680.c
@@ -25,7 +25,7 @@
 #include <plat/mmc.h>
 #include <plat/usb.h>
 #include <plat/gpmc.h>
-#include <plat/common.h>
+#include "common.h"
 #include <plat/onenand.h>
 
 #include "mux.h"
@@ -160,4 +160,5 @@ MACHINE_START(NOKIA_RM680, "Nokia RM-680
 	.init_irq	= omap3_init_irq,
 	.init_machine	= rm680_init,
 	.timer		= &omap3_timer,
+	.restart	= omap_prcm_restart,
 MACHINE_END
--- a/arch/arm/mach-omap2/board-rx51-peripherals.c
+++ b/arch/arm/mach-omap2/board-rx51-peripherals.c
@@ -27,7 +27,7 @@
 
 #include <plat/mcspi.h>
 #include <plat/board.h>
-#include <plat/common.h>
+#include "common.h"
 #include <plat/dma.h>
 #include <plat/gpmc.h>
 #include <plat/onenand.h>
--- a/arch/arm/mach-omap2/board-rx51.c
+++ b/arch/arm/mach-omap2/board-rx51.c
@@ -25,7 +25,7 @@
 
 #include <plat/mcspi.h>
 #include <plat/board.h>
-#include <plat/common.h>
+#include "common.h"
 #include <plat/dma.h>
 #include <plat/gpmc.h>
 #include <plat/usb.h>
@@ -163,4 +163,5 @@ MACHINE_START(NOKIA_RX51, "Nokia RX-51 b
 	.init_irq	= omap3_init_irq,
 	.init_machine	= rx51_init,
 	.timer		= &omap3_timer,
+	.restart	= omap_prcm_restart,
 MACHINE_END
--- a/arch/arm/mach-omap2/board-ti8168evm.c
+++ b/arch/arm/mach-omap2/board-ti8168evm.c
@@ -22,7 +22,7 @@
 
 #include <plat/irqs.h>
 #include <plat/board.h>
-#include <plat/common.h>
+#include "common.h"
 
 static struct omap_board_config_kernel ti8168_evm_config[] __initdata = {
 };
@@ -54,4 +54,5 @@ MACHINE_START(TI8168EVM, "ti8168evm")
 	.init_irq	= ti816x_init_irq,
 	.timer		= &omap3_timer,
 	.init_machine	= ti8168_evm_init,
+	.restart	= omap_prcm_restart,
 MACHINE_END
--- a/arch/arm/mach-omap2/board-zoom-peripherals.c
+++ b/arch/arm/mach-omap2/board-zoom-peripherals.c
@@ -24,7 +24,7 @@
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
 
-#include <plat/common.h>
+#include "common.h"
 #include <plat/usb.h>
 
 #include <mach/board-zoom.h>
--- a/arch/arm/mach-omap2/board-zoom.c
+++ b/arch/arm/mach-omap2/board-zoom.c
@@ -21,7 +21,7 @@
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 
-#include <plat/common.h>
+#include "common.h"
 #include <plat/board.h>
 #include <plat/usb.h>
 
@@ -140,6 +140,7 @@ MACHINE_START(OMAP_ZOOM2, "OMAP Zoom2 bo
 	.init_irq	= omap3_init_irq,
 	.init_machine	= omap_zoom_init,
 	.timer		= &omap3_timer,
+	.restart	= omap_prcm_restart,
 MACHINE_END
 
 MACHINE_START(OMAP_ZOOM3, "OMAP Zoom3 board")
@@ -150,4 +151,5 @@ MACHINE_START(OMAP_ZOOM3, "OMAP Zoom3 bo
 	.init_irq	= omap3_init_irq,
 	.init_machine	= omap_zoom_init,
 	.timer		= &omap3_timer,
+	.restart	= omap_prcm_restart,
 MACHINE_END
--- a/arch/arm/mach-omap2/cm2xxx_3xxx.c
+++ b/arch/arm/mach-omap2/cm2xxx_3xxx.c
@@ -18,7 +18,7 @@
 #include <linux/err.h>
 #include <linux/io.h>
 
-#include <plat/common.h>
+#include "common.h"
 
 #include "cm.h"
 #include "cm2xxx_3xxx.h"
--- a/arch/arm/mach-omap2/cm44xx.c
+++ b/arch/arm/mach-omap2/cm44xx.c
@@ -18,7 +18,7 @@
 #include <linux/err.h>
 #include <linux/io.h>
 
-#include <plat/common.h>
+#include "common.h"
 
 #include "cm.h"
 #include "cm1_44xx.h"
--- a/arch/arm/mach-omap2/cminst44xx.c
+++ b/arch/arm/mach-omap2/cminst44xx.c
@@ -20,7 +20,7 @@
 #include <linux/err.h>
 #include <linux/io.h>
 
-#include <plat/common.h>
+#include "common.h"
 
 #include "cm.h"
 #include "cm1_44xx.h"
--- a/arch/arm/mach-omap2/common.c
+++ b/arch/arm/mach-omap2/common.c
@@ -17,7 +17,7 @@
 #include <linux/clk.h>
 #include <linux/io.h>
 
-#include <plat/common.h>
+#include "common.h"
 #include <plat/board.h>
 #include <plat/mux.h>
 
--- /dev/null
+++ b/arch/arm/mach-omap2/common.h
@@ -0,0 +1,186 @@
+/*
+ * Header for code common to all OMAP2+ machines.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * You should have received a copy of the  GNU General Public License along
+ * with this program; if not, write  to the Free Software Foundation, Inc.,
+ * 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef __ARCH_ARM_MACH_OMAP2PLUS_COMMON_H
+#define __ARCH_ARM_MACH_OMAP2PLUS_COMMON_H
+
+#include <linux/delay.h>
+#include <plat/common.h>
+
+#ifdef CONFIG_SOC_OMAP2420
+extern void omap242x_map_common_io(void);
+#else
+static inline void omap242x_map_common_io(void)
+{
+}
+#endif
+
+#ifdef CONFIG_SOC_OMAP2430
+extern void omap243x_map_common_io(void);
+#else
+static inline void omap243x_map_common_io(void)
+{
+}
+#endif
+
+#ifdef CONFIG_ARCH_OMAP3
+extern void omap34xx_map_common_io(void);
+#else
+static inline void omap34xx_map_common_io(void)
+{
+}
+#endif
+
+#ifdef CONFIG_SOC_OMAPTI816X
+extern void omapti816x_map_common_io(void);
+#else
+static inline void omapti816x_map_common_io(void)
+{
+}
+#endif
+
+#ifdef CONFIG_ARCH_OMAP4
+extern void omap44xx_map_common_io(void);
+#else
+static inline void omap44xx_map_common_io(void)
+{
+}
+#endif
+
+extern void omap2_init_common_infrastructure(void);
+
+extern struct sys_timer omap2_timer;
+extern struct sys_timer omap3_timer;
+extern struct sys_timer omap3_secure_timer;
+extern struct sys_timer omap4_timer;
+
+void omap2420_init_early(void);
+void omap2430_init_early(void);
+void omap3430_init_early(void);
+void omap35xx_init_early(void);
+void omap3630_init_early(void);
+void omap3_init_early(void);	/* Do not use this one */
+void am35xx_init_early(void);
+void ti816x_init_early(void);
+void omap4430_init_early(void);
+void omap_prcm_restart(char, const char *);
+
+/*
+ * IO bases for various OMAP processors
+ * Except the tap base, rest all the io bases
+ * listed are physical addresses.
+ */
+struct omap_globals {
+	u32		class;		/* OMAP class to detect */
+	void __iomem	*tap;		/* Control module ID code */
+	void __iomem	*sdrc;           /* SDRAM Controller */
+	void __iomem	*sms;            /* SDRAM Memory Scheduler */
+	void __iomem	*ctrl;           /* System Control Module */
+	void __iomem	*ctrl_pad;	/* PAD Control Module */
+	void __iomem	*prm;            /* Power and Reset Management */
+	void __iomem	*cm;             /* Clock Management */
+	void __iomem	*cm2;
+};
+
+void omap2_set_globals_242x(void);
+void omap2_set_globals_243x(void);
+void omap2_set_globals_3xxx(void);
+void omap2_set_globals_443x(void);
+void omap2_set_globals_ti816x(void);
+
+/* These get called from omap2_set_globals_xxxx(), do not call these */
+void omap2_set_globals_tap(struct omap_globals *);
+void omap2_set_globals_sdrc(struct omap_globals *);
+void omap2_set_globals_control(struct omap_globals *);
+void omap2_set_globals_prcm(struct omap_globals *);
+
+void omap242x_map_io(void);
+void omap243x_map_io(void);
+void omap3_map_io(void);
+void omap4_map_io(void);
+
+/**
+ * omap_test_timeout - busy-loop, testing a condition
+ * @cond: condition to test until it evaluates to true
+ * @timeout: maximum number of microseconds in the timeout
+ * @index: loop index (integer)
+ *
+ * Loop waiting for @cond to become true or until at least @timeout
+ * microseconds have passed.  To use, define some integer @index in the
+ * calling code.  After running, if @index == @timeout, then the loop has
+ * timed out.
+ */
+#define omap_test_timeout(cond, timeout, index)			\
+({								\
+	for (index = 0; index < timeout; index++) {		\
+		if (cond)					\
+			break;					\
+		udelay(1);					\
+	}							\
+})
+
+extern struct device *omap2_get_mpuss_device(void);
+extern struct device *omap2_get_iva_device(void);
+extern struct device *omap2_get_l3_device(void);
+extern struct device *omap4_get_dsp_device(void);
+
+void omap2_init_irq(void);
+void omap3_init_irq(void);
+void ti816x_init_irq(void);
+extern int omap_irq_pending(void);
+void omap_intc_save_context(void);
+void omap_intc_restore_context(void);
+void omap3_intc_suspend(void);
+void omap3_intc_prepare_idle(void);
+void omap3_intc_resume_idle(void);
+
+/*
+ * wfi used in low power code. Directly opcode is used instead
+ * of instruction to avoid mulit-omap build break
+ */
+#ifdef CONFIG_THUMB2_KERNEL
+#define do_wfi() __asm__ __volatile__ ("wfi" : : : "memory")
+#else
+#define do_wfi()			\
+		__asm__ __volatile__ (".word	0xe320f003" : : : "memory")
+#endif
+
+#ifdef CONFIG_CACHE_L2X0
+extern void __iomem *l2cache_base;
+#endif
+
+extern void __iomem *gic_dist_base_addr;
+
+extern void __init gic_init_irq(void);
+extern void omap_smc1(u32 fn, u32 arg);
+
+#ifdef CONFIG_SMP
+/* Needed for secondary core boot */
+extern void omap_secondary_startup(void);
+extern u32 omap_modify_auxcoreboot0(u32 set_mask, u32 clear_mask);
+extern void omap_auxcoreboot_addr(u32 cpu_addr);
+extern u32 omap_read_auxcoreboot0(void);
+#endif
+
+#endif /* __ARCH_ARM_MACH_OMAP2PLUS_COMMON_H */
--- a/arch/arm/mach-omap2/control.c
+++ b/arch/arm/mach-omap2/control.c
@@ -15,7 +15,7 @@
 #include <linux/kernel.h>
 #include <linux/io.h>
 
-#include <plat/common.h>
+#include "common.h"
 #include <plat/sdrc.h>
 
 #include "cm-regbits-34xx.h"
--- a/arch/arm/mach-omap2/i2c.c
+++ b/arch/arm/mach-omap2/i2c.c
@@ -21,7 +21,7 @@
 
 #include <plat/cpu.h>
 #include <plat/i2c.h>
-#include <plat/common.h>
+#include "common.h"
 #include <plat/omap_hwmod.h>
 
 #include "mux.h"
--- a/arch/arm/mach-omap2/id.c
+++ b/arch/arm/mach-omap2/id.c
@@ -21,7 +21,7 @@
 
 #include <asm/cputype.h>
 
-#include <plat/common.h>
+#include "common.h"
 #include <plat/cpu.h>
 
 #include <mach/id.h>
--- a/arch/arm/mach-omap2/include/mach/omap4-common.h
+++ /dev/null
@@ -1,43 +0,0 @@
-/*
- * omap4-common.h: OMAP4 specific common header file
- *
- * Copyright (C) 2010 Texas Instruments, Inc.
- *
- * Author:
- *	Santosh Shilimkar <santosh.shilimkar@ti.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-#ifndef OMAP_ARCH_OMAP4_COMMON_H
-#define OMAP_ARCH_OMAP4_COMMON_H
-
-/*
- * wfi used in low power code. Directly opcode is used instead
- * of instruction to avoid mulit-omap build break
- */
-#ifdef CONFIG_THUMB2_KERNEL
-#define do_wfi() __asm__ __volatile__ ("wfi" : : : "memory")
-#else
-#define do_wfi()			\
-		__asm__ __volatile__ (".word	0xe320f003" : : : "memory")
-#endif
-
-#ifdef CONFIG_CACHE_L2X0
-extern void __iomem *l2cache_base;
-#endif
-
-extern void __iomem *gic_dist_base_addr;
-
-extern void __init gic_init_irq(void);
-extern void omap_smc1(u32 fn, u32 arg);
-
-#ifdef CONFIG_SMP
-/* Needed for secondary core boot */
-extern void omap_secondary_startup(void);
-extern u32 omap_modify_auxcoreboot0(u32 set_mask, u32 clear_mask);
-extern void omap_auxcoreboot_addr(u32 cpu_addr);
-extern u32 omap_read_auxcoreboot0(void);
-#endif
-#endif
--- a/arch/arm/mach-omap2/omap-hotplug.c
+++ b/arch/arm/mach-omap2/omap-hotplug.c
@@ -19,7 +19,8 @@
 #include <linux/smp.h>
 
 #include <asm/cacheflush.h>
-#include <mach/omap4-common.h>
+
+#include "common.h"
 
 int platform_cpu_kill(unsigned int cpu)
 {
--- a/arch/arm/mach-omap2/omap-smp.c
+++ b/arch/arm/mach-omap2/omap-smp.c
@@ -24,7 +24,8 @@
 #include <asm/hardware/gic.h>
 #include <asm/smp_scu.h>
 #include <mach/hardware.h>
-#include <mach/omap4-common.h>
+
+#include "common.h"
 
 /* SCU base address */
 static void __iomem *scu_base;
--- a/arch/arm/mach-omap2/omap4-common.c
+++ b/arch/arm/mach-omap2/omap4-common.c
@@ -22,7 +22,8 @@
 #include <plat/irqs.h>
 
 #include <mach/hardware.h>
-#include <mach/omap4-common.h>
+
+#include "common.h"
 
 #ifdef CONFIG_CACHE_L2X0
 void __iomem *l2cache_base;
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -137,7 +137,7 @@
 #include <linux/mutex.h>
 #include <linux/spinlock.h>
 
-#include <plat/common.h>
+#include "common.h"
 #include <plat/cpu.h>
 #include "clockdomain.h"
 #include "powerdomain.h"
--- a/arch/arm/mach-omap2/pm.c
+++ b/arch/arm/mach-omap2/pm.c
@@ -17,7 +17,7 @@
 
 #include <plat/omap-pm.h>
 #include <plat/omap_device.h>
-#include <plat/common.h>
+#include "common.h"
 
 #include "voltage.h"
 #include "powerdomain.h"
--- a/arch/arm/mach-omap2/pm24xx.c
+++ b/arch/arm/mach-omap2/pm24xx.c
@@ -42,6 +42,7 @@
 #include <plat/dma.h>
 #include <plat/board.h>
 
+#include "common.h"
 #include "prm2xxx_3xxx.h"
 #include "prm-regbits-24xx.h"
 #include "cm2xxx_3xxx.h"
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -42,6 +42,7 @@
 #include <plat/gpmc.h>
 #include <plat/dma.h>
 
+#include "common.h"
 #include "cm2xxx_3xxx.h"
 #include "cm-regbits-34xx.h"
 #include "prm-regbits-34xx.h"
--- a/arch/arm/mach-omap2/pm44xx.c
+++ b/arch/arm/mach-omap2/pm44xx.c
@@ -16,8 +16,8 @@
 #include <linux/err.h>
 #include <linux/slab.h>
 
+#include "common.h"
 #include "powerdomain.h"
-#include <mach/omap4-common.h>
 
 struct power_state {
 	struct powerdomain *pwrdm;
--- a/arch/arm/mach-omap2/prcm.c
+++ b/arch/arm/mach-omap2/prcm.c
@@ -24,8 +24,7 @@
 #include <linux/io.h>
 #include <linux/delay.h>
 
-#include <mach/system.h>
-#include <plat/common.h>
+#include "common.h"
 #include <plat/prcm.h>
 #include <plat/irqs.h>
 
@@ -58,7 +57,7 @@ u32 omap_prcm_get_reset_sources(void)
 EXPORT_SYMBOL(omap_prcm_get_reset_sources);
 
 /* Resets clock rates and reboots the system. Only called from system.h */
-static void omap_prcm_arch_reset(char mode, const char *cmd)
+void omap_prcm_restart(char mode, const char *cmd)
 {
 	s16 prcm_offs = 0;
 
@@ -109,8 +108,6 @@ static void omap_prcm_arch_reset(char mo
 	omap2_prm_read_mod_reg(prcm_offs, OMAP2_RM_RSTCTRL); /* OCP barrier */
 }
 
-void (*arch_reset)(char, const char *) = omap_prcm_arch_reset;
-
 /**
  * omap2_cm_wait_idlest - wait for IDLEST bit to indicate module readiness
  * @reg: physical address of module IDLEST register
--- a/arch/arm/mach-omap2/prcm_mpu44xx.c
+++ b/arch/arm/mach-omap2/prcm_mpu44xx.c
@@ -15,7 +15,7 @@
 #include <linux/err.h>
 #include <linux/io.h>
 
-#include <plat/common.h>
+#include "common.h"
 
 #include "prcm_mpu44xx.h"
 #include "cm-regbits-44xx.h"
--- a/arch/arm/mach-omap2/prm2xxx_3xxx.c
+++ b/arch/arm/mach-omap2/prm2xxx_3xxx.c
@@ -16,7 +16,7 @@
 #include <linux/err.h>
 #include <linux/io.h>
 
-#include <plat/common.h>
+#include "common.h"
 #include <plat/cpu.h>
 #include <plat/prcm.h>
 
--- a/arch/arm/mach-omap2/prm44xx.c
+++ b/arch/arm/mach-omap2/prm44xx.c
@@ -17,7 +17,7 @@
 #include <linux/err.h>
 #include <linux/io.h>
 
-#include <plat/common.h>
+#include "common.h"
 #include <plat/cpu.h>
 #include <plat/prcm.h>
 
--- a/arch/arm/mach-omap2/prminst44xx.c
+++ b/arch/arm/mach-omap2/prminst44xx.c
@@ -16,7 +16,7 @@
 #include <linux/err.h>
 #include <linux/io.h>
 
-#include <plat/common.h>
+#include "common.h"
 
 #include "prm44xx.h"
 #include "prminst44xx.h"
--- a/arch/arm/mach-omap2/sdram-nokia.c
+++ b/arch/arm/mach-omap2/sdram-nokia.c
@@ -18,7 +18,7 @@
 #include <linux/io.h>
 
 #include <plat/io.h>
-#include <plat/common.h>
+#include "common.h"
 #include <plat/clock.h>
 #include <plat/sdrc.h>
 
--- a/arch/arm/mach-omap2/sdrc.c
+++ b/arch/arm/mach-omap2/sdrc.c
@@ -23,7 +23,7 @@
 #include <linux/clk.h>
 #include <linux/io.h>
 
-#include <plat/common.h>
+#include "common.h"
 #include <plat/clock.h>
 #include <plat/sram.h>
 
--- a/arch/arm/mach-omap2/sdrc2xxx.c
+++ b/arch/arm/mach-omap2/sdrc2xxx.c
@@ -24,7 +24,7 @@
 #include <linux/clk.h>
 #include <linux/io.h>
 
-#include <plat/common.h>
+#include "common.h"
 #include <plat/clock.h>
 #include <plat/sram.h>
 
--- a/arch/arm/mach-omap2/serial.c
+++ b/arch/arm/mach-omap2/serial.c
@@ -33,7 +33,7 @@
 #include <plat/omap-serial.h>
 #endif
 
-#include <plat/common.h>
+#include "common.h"
 #include <plat/board.h>
 #include <plat/clock.h>
 #include <plat/dma.h>
--- a/arch/arm/mach-omap2/smartreflex.c
+++ b/arch/arm/mach-omap2/smartreflex.c
@@ -25,7 +25,7 @@
 #include <linux/slab.h>
 #include <linux/pm_runtime.h>
 
-#include <plat/common.h>
+#include "common.h"
 
 #include "pm.h"
 #include "smartreflex.h"
--- a/arch/arm/mach-omap2/timer.c
+++ b/arch/arm/mach-omap2/timer.c
@@ -40,7 +40,7 @@
 #include <plat/dmtimer.h>
 #include <asm/localtimer.h>
 #include <asm/sched_clock.h>
-#include <plat/common.h>
+#include "common.h"
 #include <plat/omap_hwmod.h>
 
 /* Parent clocks, eventually these will come from the clock framework */
--- a/arch/arm/mach-omap2/vc3xxx_data.c
+++ b/arch/arm/mach-omap2/vc3xxx_data.c
@@ -18,7 +18,7 @@
 #include <linux/err.h>
 #include <linux/init.h>
 
-#include <plat/common.h>
+#include "common.h"
 
 #include "prm-regbits-34xx.h"
 #include "voltage.h"
--- a/arch/arm/mach-omap2/vc44xx_data.c
+++ b/arch/arm/mach-omap2/vc44xx_data.c
@@ -18,7 +18,7 @@
 #include <linux/err.h>
 #include <linux/init.h>
 
-#include <plat/common.h>
+#include "common.h"
 
 #include "prm44xx.h"
 #include "prm-regbits-44xx.h"
--- a/arch/arm/mach-omap2/voltage.c
+++ b/arch/arm/mach-omap2/voltage.c
@@ -26,7 +26,7 @@
 #include <linux/debugfs.h>
 #include <linux/slab.h>
 
-#include <plat/common.h>
+#include "common.h"
 
 #include "prm-regbits-34xx.h"
 #include "prm-regbits-44xx.h"
--- a/arch/arm/mach-omap2/voltagedomains3xxx_data.c
+++ b/arch/arm/mach-omap2/voltagedomains3xxx_data.c
@@ -18,7 +18,7 @@
 #include <linux/err.h>
 #include <linux/init.h>
 
-#include <plat/common.h>
+#include "common.h"
 #include <plat/cpu.h>
 
 #include "prm-regbits-34xx.h"
--- a/arch/arm/mach-omap2/voltagedomains44xx_data.c
+++ b/arch/arm/mach-omap2/voltagedomains44xx_data.c
@@ -21,7 +21,7 @@
 #include <linux/err.h>
 #include <linux/init.h>
 
-#include <plat/common.h>
+#include "common.h"
 
 #include "prm-regbits-44xx.h"
 #include "prm44xx.h"
--- a/arch/arm/mach-omap2/vp3xxx_data.c
+++ b/arch/arm/mach-omap2/vp3xxx_data.c
@@ -19,7 +19,7 @@
 #include <linux/err.h>
 #include <linux/init.h>
 
-#include <plat/common.h>
+#include "common.h"
 
 #include "prm-regbits-34xx.h"
 #include "voltage.h"
--- a/arch/arm/mach-omap2/vp44xx_data.c
+++ b/arch/arm/mach-omap2/vp44xx_data.c
@@ -19,7 +19,7 @@
 #include <linux/err.h>
 #include <linux/init.h>
 
-#include <plat/common.h>
+#include "common.h"
 
 #include "prm44xx.h"
 #include "prm-regbits-44xx.h"
--- a/arch/arm/mm/idmap.c
+++ b/arch/arm/mm/idmap.c
@@ -1,8 +1,12 @@
 #include <linux/kernel.h>
 
 #include <asm/cputype.h>
+#include <asm/idmap.h>
 #include <asm/pgalloc.h>
 #include <asm/pgtable.h>
+#include <asm/sections.h>
+
+pgd_t *idmap_pgd;
 
 static void idmap_add_pmd(pud_t *pud, unsigned long addr, unsigned long end,
 	unsigned long prot)
@@ -73,18 +77,45 @@ void identity_mapping_del(pgd_t *pgd, un
 }
 #endif
 
+extern char  __idmap_text_start[], __idmap_text_end[];
+
+static int __init init_static_idmap(void)
+{
+	phys_addr_t idmap_start, idmap_end;
+
+	idmap_pgd = pgd_alloc(&init_mm);
+	if (!idmap_pgd)
+		return -ENOMEM;
+
+	/* Align the idmap.text section pointers to PMD_SIZE. */
+	idmap_start = (phys_addr_t)__idmap_text_start & PMD_MASK;
+	idmap_end = PTR_ALIGN((phys_addr_t)__idmap_text_end, PMD_SIZE);
+
+	/* Add an identity mapping for the physical address of the section. */
+	idmap_start = virt_to_phys((void *)idmap_start);
+	idmap_end = virt_to_phys((void *)idmap_end);
+
+	pr_info("Setting up static identity map for 0x%llx - 0x%llx\n",
+		(long long)idmap_start, (long long)idmap_end);
+	identity_mapping_add(idmap_pgd, idmap_start, idmap_end);
+
+	return 0;
+}
+arch_initcall(init_static_idmap);
+
 /*
- * In order to soft-boot, we need to insert a 1:1 mapping in place of
- * the user-mode pages.  This will then ensure that we have predictable
- * results when turning the mmu off
+ * In order to soft-boot, we need to switch to a 1:1 mapping for the
+ * cpu_reset functions. This will then ensure that we have predictable
+ * results when turning off the mmu.
  */
-void setup_mm_for_reboot(char mode)
+void setup_mm_for_reboot(void)
 {
-	/*
-	 * We need to access to user-mode page tables here. For kernel threads
-	 * we don't have any user-mode mappings so we use the context that we
-	 * "borrowed".
-	 */
-	identity_mapping_add(current->active_mm->pgd, 0, TASK_SIZE);
+	/* Clean and invalidate L1. */
+	flush_cache_all();
+
+	/* Switch exclusively to kernel mappings. */
+	cpu_switch_mm(idmap_pgd, &init_mm);
+
+	/* Flush the TLB. */
 	local_flush_tlb_all();
 }
--- a/arch/arm/mm/nommu.c
+++ b/arch/arm/mm/nommu.c
@@ -43,7 +43,7 @@ void __init paging_init(struct machine_d
 /*
  * We don't need to do anything here for nommu machines.
  */
-void setup_mm_for_reboot(char mode)
+void setup_mm_for_reboot(void)
 {
 }
 
--- a/arch/arm/mm/proc-arm1020.S
+++ b/arch/arm/mm/proc-arm1020.S
@@ -95,6 +95,7 @@ ENTRY(cpu_arm1020_proc_fin)
  * loc: location to jump to for soft reset
  */
 	.align	5
+	.pushsection	.idmap.text, "ax"
 ENTRY(cpu_arm1020_reset)
 	mov	ip, #0
 	mcr	p15, 0, ip, c7, c7, 0		@ invalidate I,D caches
@@ -107,6 +108,8 @@ ENTRY(cpu_arm1020_reset)
 	bic	ip, ip, #0x1100 		@ ...i...s........
 	mcr	p15, 0, ip, c1, c0, 0		@ ctrl register
 	mov	pc, r0
+ENDPROC(cpu_arm1020_reset)
+	.popsection
 
 /*
  * cpu_arm1020_do_idle()
--- a/arch/arm/mm/proc-arm1020e.S
+++ b/arch/arm/mm/proc-arm1020e.S
@@ -95,6 +95,7 @@ ENTRY(cpu_arm1020e_proc_fin)
  * loc: location to jump to for soft reset
  */
 	.align	5
+	.pushsection	.idmap.text, "ax"
 ENTRY(cpu_arm1020e_reset)
 	mov	ip, #0
 	mcr	p15, 0, ip, c7, c7, 0		@ invalidate I,D caches
@@ -107,6 +108,8 @@ ENTRY(cpu_arm1020e_reset)
 	bic	ip, ip, #0x1100 		@ ...i...s........
 	mcr	p15, 0, ip, c1, c0, 0		@ ctrl register
 	mov	pc, r0
+ENDPROC(cpu_arm1020e_reset)
+	.popsection
 
 /*
  * cpu_arm1020e_do_idle()
--- a/arch/arm/mm/proc-arm1022.S
+++ b/arch/arm/mm/proc-arm1022.S
@@ -84,6 +84,7 @@ ENTRY(cpu_arm1022_proc_fin)
  * loc: location to jump to for soft reset
  */
 	.align	5
+	.pushsection	.idmap.text, "ax"
 ENTRY(cpu_arm1022_reset)
 	mov	ip, #0
 	mcr	p15, 0, ip, c7, c7, 0		@ invalidate I,D caches
@@ -96,6 +97,8 @@ ENTRY(cpu_arm1022_reset)
 	bic	ip, ip, #0x1100 		@ ...i...s........
 	mcr	p15, 0, ip, c1, c0, 0		@ ctrl register
 	mov	pc, r0
+ENDPROC(cpu_arm1022_reset)
+	.popsection
 
 /*
  * cpu_arm1022_do_idle()
--- a/arch/arm/mm/proc-arm1026.S
+++ b/arch/arm/mm/proc-arm1026.S
@@ -84,6 +84,7 @@ ENTRY(cpu_arm1026_proc_fin)
  * loc: location to jump to for soft reset
  */
 	.align	5
+	.pushsection	.idmap.text, "ax"
 ENTRY(cpu_arm1026_reset)
 	mov	ip, #0
 	mcr	p15, 0, ip, c7, c7, 0		@ invalidate I,D caches
@@ -96,6 +97,8 @@ ENTRY(cpu_arm1026_reset)
 	bic	ip, ip, #0x1100 		@ ...i...s........
 	mcr	p15, 0, ip, c1, c0, 0		@ ctrl register
 	mov	pc, r0
+ENDPROC(cpu_arm1026_reset)
+	.popsection
 
 /*
  * cpu_arm1026_do_idle()
--- a/arch/arm/mm/proc-arm6_7.S
+++ b/arch/arm/mm/proc-arm6_7.S
@@ -225,6 +225,7 @@ ENTRY(cpu_arm7_set_pte_ext)
  * Params  : r0 = address to jump to
  * Notes   : This sets up everything for a reset
  */
+		.pushsection	.idmap.text, "ax"
 ENTRY(cpu_arm6_reset)
 ENTRY(cpu_arm7_reset)
 		mov	r1, #0
@@ -235,6 +236,9 @@ ENTRY(cpu_arm7_reset)
 		mov	r1, #0x30
 		mcr	p15, 0, r1, c1, c0, 0		@ turn off MMU etc
 		mov	pc, r0
+ENDPROC(cpu_arm6_reset)
+ENDPROC(cpu_arm7_reset)
+		.popsection
 
 		__CPUINIT
 
--- a/arch/arm/mm/proc-arm720.S
+++ b/arch/arm/mm/proc-arm720.S
@@ -101,6 +101,7 @@ ENTRY(cpu_arm720_set_pte_ext)
  * Params  : r0 = address to jump to
  * Notes   : This sets up everything for a reset
  */
+		.pushsection	.idmap.text, "ax"
 ENTRY(cpu_arm720_reset)
 		mov	ip, #0
 		mcr	p15, 0, ip, c7, c7, 0		@ invalidate cache
@@ -112,6 +113,8 @@ ENTRY(cpu_arm720_reset)
 		bic	ip, ip, #0x2100			@ ..v....s........
 		mcr	p15, 0, ip, c1, c0, 0		@ ctrl register
 		mov	pc, r0
+ENDPROC(cpu_arm720_reset)
+		.popsection
 
 	__CPUINIT
 
--- a/arch/arm/mm/proc-arm740.S
+++ b/arch/arm/mm/proc-arm740.S
@@ -49,6 +49,7 @@ ENTRY(cpu_arm740_proc_fin)
  * Params  : r0 = address to jump to
  * Notes   : This sets up everything for a reset
  */
+	.pushsection	.idmap.text, "ax"
 ENTRY(cpu_arm740_reset)
 	mov	ip, #0
 	mcr	p15, 0, ip, c7, c0, 0		@ invalidate cache
@@ -56,6 +57,8 @@ ENTRY(cpu_arm740_reset)
 	bic	ip, ip, #0x0000000c		@ ............wc..
 	mcr	p15, 0, ip, c1, c0, 0		@ ctrl register
 	mov	pc, r0
+ENDPROC(cpu_arm740_reset)
+	.popsection
 
 	__CPUINIT
 
--- a/arch/arm/mm/proc-arm7tdmi.S
+++ b/arch/arm/mm/proc-arm7tdmi.S
@@ -45,8 +45,11 @@ ENTRY(cpu_arm7tdmi_proc_fin)
  * Params  : loc(r0)	address to jump to
  * Purpose : Sets up everything for a reset and jump to the location for soft reset.
  */
+		.pushsection	.idmap.text, "ax"
 ENTRY(cpu_arm7tdmi_reset)
 		mov	pc, r0
+ENDPROC(cpu_arm7tdmi_reset)
+		.popsection
 
 		__CPUINIT
 
--- a/arch/arm/mm/proc-arm920.S
+++ b/arch/arm/mm/proc-arm920.S
@@ -85,6 +85,7 @@ ENTRY(cpu_arm920_proc_fin)
  * loc: location to jump to for soft reset
  */
 	.align	5
+	.pushsection	.idmap.text, "ax"
 ENTRY(cpu_arm920_reset)
 	mov	ip, #0
 	mcr	p15, 0, ip, c7, c7, 0		@ invalidate I,D caches
@@ -97,6 +98,8 @@ ENTRY(cpu_arm920_reset)
 	bic	ip, ip, #0x1100			@ ...i...s........
 	mcr	p15, 0, ip, c1, c0, 0		@ ctrl register
 	mov	pc, r0
+ENDPROC(cpu_arm920_reset)
+	.popsection
 
 /*
  * cpu_arm920_do_idle()
--- a/arch/arm/mm/proc-arm922.S
+++ b/arch/arm/mm/proc-arm922.S
@@ -87,6 +87,7 @@ ENTRY(cpu_arm922_proc_fin)
  * loc: location to jump to for soft reset
  */
 	.align	5
+	.pushsection	.idmap.text, "ax"
 ENTRY(cpu_arm922_reset)
 	mov	ip, #0
 	mcr	p15, 0, ip, c7, c7, 0		@ invalidate I,D caches
@@ -99,6 +100,8 @@ ENTRY(cpu_arm922_reset)
 	bic	ip, ip, #0x1100			@ ...i...s........
 	mcr	p15, 0, ip, c1, c0, 0		@ ctrl register
 	mov	pc, r0
+ENDPROC(cpu_arm922_reset)
+	.popsection
 
 /*
  * cpu_arm922_do_idle()
--- a/arch/arm/mm/proc-arm925.S
+++ b/arch/arm/mm/proc-arm925.S
@@ -108,6 +108,7 @@ ENTRY(cpu_arm925_proc_fin)
  * loc: location to jump to for soft reset
  */
 	.align	5
+	.pushsection	.idmap.text, "ax"
 ENTRY(cpu_arm925_reset)
 	/* Send software reset to MPU and DSP */
 	mov	ip, #0xff000000
@@ -115,6 +116,8 @@ ENTRY(cpu_arm925_reset)
 	orr	ip, ip, #0x0000ce00
 	mov	r4, #1
 	strh	r4, [ip, #0x10]
+ENDPROC(cpu_arm925_reset)
+	.popsection
 
 	mov	ip, #0
 	mcr	p15, 0, ip, c7, c7, 0		@ invalidate I,D caches
--- a/arch/arm/mm/proc-arm926.S
+++ b/arch/arm/mm/proc-arm926.S
@@ -77,6 +77,7 @@ ENTRY(cpu_arm926_proc_fin)
  * loc: location to jump to for soft reset
  */
 	.align	5
+	.pushsection	.idmap.text, "ax"
 ENTRY(cpu_arm926_reset)
 	mov	ip, #0
 	mcr	p15, 0, ip, c7, c7, 0		@ invalidate I,D caches
@@ -89,6 +90,8 @@ ENTRY(cpu_arm926_reset)
 	bic	ip, ip, #0x1100			@ ...i...s........
 	mcr	p15, 0, ip, c1, c0, 0		@ ctrl register
 	mov	pc, r0
+ENDPROC(cpu_arm926_reset)
+	.popsection
 
 /*
  * cpu_arm926_do_idle()
--- a/arch/arm/mm/proc-arm940.S
+++ b/arch/arm/mm/proc-arm940.S
@@ -48,6 +48,7 @@ ENTRY(cpu_arm940_proc_fin)
  * Params  : r0 = address to jump to
  * Notes   : This sets up everything for a reset
  */
+	.pushsection	.idmap.text, "ax"
 ENTRY(cpu_arm940_reset)
 	mov	ip, #0
 	mcr	p15, 0, ip, c7, c5, 0		@ flush I cache
@@ -58,6 +59,8 @@ ENTRY(cpu_arm940_reset)
 	bic	ip, ip, #0x00001000		@ i-cache
 	mcr	p15, 0, ip, c1, c0, 0		@ ctrl register
 	mov	pc, r0
+ENDPROC(cpu_arm940_reset)
+	.popsection
 
 /*
  * cpu_arm940_do_idle()
--- a/arch/arm/mm/proc-arm946.S
+++ b/arch/arm/mm/proc-arm946.S
@@ -55,6 +55,7 @@ ENTRY(cpu_arm946_proc_fin)
  * Params  : r0 = address to jump to
  * Notes   : This sets up everything for a reset
  */
+	.pushsection	.idmap.text, "ax"
 ENTRY(cpu_arm946_reset)
 	mov	ip, #0
 	mcr	p15, 0, ip, c7, c5, 0		@ flush I cache
@@ -65,6 +66,8 @@ ENTRY(cpu_arm946_reset)
 	bic	ip, ip, #0x00001000		@ i-cache
 	mcr	p15, 0, ip, c1, c0, 0		@ ctrl register
 	mov	pc, r0
+ENDPROC(cpu_arm946_reset)
+	.popsection
 
 /*
  * cpu_arm946_do_idle()
--- a/arch/arm/mm/proc-arm9tdmi.S
+++ b/arch/arm/mm/proc-arm9tdmi.S
@@ -45,8 +45,11 @@ ENTRY(cpu_arm9tdmi_proc_fin)
  * Params  : loc(r0)	address to jump to
  * Purpose : Sets up everything for a reset and jump to the location for soft reset.
  */
+		.pushsection	.idmap.text, "ax"
 ENTRY(cpu_arm9tdmi_reset)
 		mov	pc, r0
+ENDPROC(cpu_arm9tdmi_reset)
+		.popsection
 
 		__CPUINIT
 
--- a/arch/arm/mm/proc-fa526.S
+++ b/arch/arm/mm/proc-fa526.S
@@ -57,6 +57,7 @@ ENTRY(cpu_fa526_proc_fin)
  * loc: location to jump to for soft reset
  */
 	.align	4
+	.pushsection	.idmap.text, "ax"
 ENTRY(cpu_fa526_reset)
 /* TODO: Use CP8 if possible... */
 	mov	ip, #0
@@ -73,6 +74,8 @@ ENTRY(cpu_fa526_reset)
 	nop
 	nop
 	mov	pc, r0
+ENDPROC(cpu_fa526_reset)
+	.popsection
 
 /*
  * cpu_fa526_do_idle()
--- a/arch/arm/mm/proc-feroceon.S
+++ b/arch/arm/mm/proc-feroceon.S
@@ -98,6 +98,7 @@ ENTRY(cpu_feroceon_proc_fin)
  * loc: location to jump to for soft reset
  */
 	.align	5
+	.pushsection	.idmap.text, "ax"
 ENTRY(cpu_feroceon_reset)
 	mov	ip, #0
 	mcr	p15, 0, ip, c7, c7, 0		@ invalidate I,D caches
@@ -110,6 +111,8 @@ ENTRY(cpu_feroceon_reset)
 	bic	ip, ip, #0x1100			@ ...i...s........
 	mcr	p15, 0, ip, c1, c0, 0		@ ctrl register
 	mov	pc, r0
+ENDPROC(cpu_feroceon_reset)
+	.popsection
 
 /*
  * cpu_feroceon_do_idle()
--- a/arch/arm/mm/proc-mohawk.S
+++ b/arch/arm/mm/proc-mohawk.S
@@ -69,6 +69,7 @@ ENTRY(cpu_mohawk_proc_fin)
  * (same as arm926)
  */
 	.align	5
+	.pushsection	.idmap.text, "ax"
 ENTRY(cpu_mohawk_reset)
 	mov	ip, #0
 	mcr	p15, 0, ip, c7, c7, 0		@ invalidate I,D caches
@@ -79,6 +80,8 @@ ENTRY(cpu_mohawk_reset)
 	bic	ip, ip, #0x1100			@ ...i...s........
 	mcr	p15, 0, ip, c1, c0, 0		@ ctrl register
 	mov	pc, r0
+ENDPROC(cpu_mohawk_reset)
+	.popsection
 
 /*
  * cpu_mohawk_do_idle()
--- a/arch/arm/mm/proc-sa110.S
+++ b/arch/arm/mm/proc-sa110.S
@@ -62,6 +62,7 @@ ENTRY(cpu_sa110_proc_fin)
  * loc: location to jump to for soft reset
  */
 	.align	5
+	.pushsection	.idmap.text, "ax"
 ENTRY(cpu_sa110_reset)
 	mov	ip, #0
 	mcr	p15, 0, ip, c7, c7, 0		@ invalidate I,D caches
@@ -74,6 +75,8 @@ ENTRY(cpu_sa110_reset)
 	bic	ip, ip, #0x1100			@ ...i...s........
 	mcr	p15, 0, ip, c1, c0, 0		@ ctrl register
 	mov	pc, r0
+ENDPROC(cpu_sa110_reset)
+	.popsection
 
 /*
  * cpu_sa110_do_idle(type)
--- a/arch/arm/mm/proc-sa1100.S
+++ b/arch/arm/mm/proc-sa1100.S
@@ -70,6 +70,7 @@ ENTRY(cpu_sa1100_proc_fin)
  * loc: location to jump to for soft reset
  */
 	.align	5
+	.pushsection	.idmap.text, "ax"
 ENTRY(cpu_sa1100_reset)
 	mov	ip, #0
 	mcr	p15, 0, ip, c7, c7, 0		@ invalidate I,D caches
@@ -82,6 +83,8 @@ ENTRY(cpu_sa1100_reset)
 	bic	ip, ip, #0x1100			@ ...i...s........
 	mcr	p15, 0, ip, c1, c0, 0		@ ctrl register
 	mov	pc, r0
+ENDPROC(cpu_sa1100_reset)
+	.popsection
 
 /*
  * cpu_sa1100_do_idle(type)
--- a/arch/arm/mm/proc-v6.S
+++ b/arch/arm/mm/proc-v6.S
@@ -55,6 +55,7 @@ ENTRY(cpu_v6_proc_fin)
  *	- loc   - location to jump to for soft reset
  */
 	.align	5
+	.pushsection	.idmap.text, "ax"
 ENTRY(cpu_v6_reset)
 	mrc	p15, 0, r1, c1, c0, 0		@ ctrl register
 	bic	r1, r1, #0x1			@ ...............m
@@ -62,6 +63,8 @@ ENTRY(cpu_v6_reset)
 	mov	r1, #0
 	mcr	p15, 0, r1, c7, c5, 4		@ ISB
 	mov	pc, r0
+ENDPROC(cpu_v6_reset)
+	.popsection
 
 /*
  *	cpu_v6_do_idle()
--- a/arch/arm/mm/proc-v7.S
+++ b/arch/arm/mm/proc-v7.S
@@ -63,6 +63,7 @@ ENDPROC(cpu_v7_proc_fin)
  *      caches disabled.
  */
 	.align	5
+	.pushsection	.idmap.text, "ax"
 ENTRY(cpu_v7_reset)
 	mrc	p15, 0, r1, c1, c0, 0		@ ctrl register
 	bic	r1, r1, #0x1			@ ...............m
@@ -71,6 +72,7 @@ ENTRY(cpu_v7_reset)
 	isb
 	mov	pc, r0
 ENDPROC(cpu_v7_reset)
+	.popsection
 
 /*
  *	cpu_v7_do_idle()
--- a/arch/arm/mm/proc-xsc3.S
+++ b/arch/arm/mm/proc-xsc3.S
@@ -105,6 +105,7 @@ ENTRY(cpu_xsc3_proc_fin)
  * loc: location to jump to for soft reset
  */
 	.align	5
+	.pushsection	.idmap.text, "ax"
 ENTRY(cpu_xsc3_reset)
 	mov	r1, #PSR_F_BIT|PSR_I_BIT|SVC_MODE
 	msr	cpsr_c, r1			@ reset CPSR
@@ -119,6 +120,8 @@ ENTRY(cpu_xsc3_reset)
 	@ already containing those two last instructions to survive.
 	mcr	p15, 0, ip, c8, c7, 0		@ invalidate I and D TLBs
 	mov	pc, r0
+ENDPROC(cpu_xsc3_reset)
+	.popsection
 
 /*
  * cpu_xsc3_do_idle()
--- a/arch/arm/mm/proc-xscale.S
+++ b/arch/arm/mm/proc-xscale.S
@@ -142,6 +142,7 @@ ENTRY(cpu_xscale_proc_fin)
  * Beware PXA270 erratum E7.
  */
 	.align	5
+	.pushsection	.idmap.text, "ax"
 ENTRY(cpu_xscale_reset)
 	mov	r1, #PSR_F_BIT|PSR_I_BIT|SVC_MODE
 	msr	cpsr_c, r1			@ reset CPSR
@@ -160,6 +161,8 @@ ENTRY(cpu_xscale_reset)
 	@ already containing those two last instructions to survive.
 	mcr	p15, 0, ip, c8, c7, 0		@ invalidate I & D TLBs
 	mov	pc, r0
+ENDPROC(cpu_xscale_reset)
+	.popsection
 
 /*
  * cpu_xscale_do_idle()
--- a/arch/arm/plat-omap/include/plat/irqs.h
+++ b/arch/arm/plat-omap/include/plat/irqs.h
@@ -438,16 +438,6 @@
 
 #ifndef __ASSEMBLY__
 extern void __iomem *omap_irq_base;
-void omap1_init_irq(void);
-void omap2_init_irq(void);
-void omap3_init_irq(void);
-void ti816x_init_irq(void);
-extern int omap_irq_pending(void);
-void omap_intc_save_context(void);
-void omap_intc_restore_context(void);
-void omap3_intc_suspend(void);
-void omap3_intc_prepare_idle(void);
-void omap3_intc_resume_idle(void);
 #endif
 
 #include <mach/hardware.h>
--- a/arch/arm/plat-omap/include/plat/system.h
+++ b/arch/arm/plat-omap/include/plat/system.h
@@ -12,6 +12,4 @@ static inline void arch_idle(void)
 	cpu_do_idle();
 }
 
-extern void (*arch_reset)(char, const char *);
-
 #endif
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -447,6 +447,12 @@
 		*(.kprobes.text)					\
 		VMLINUX_SYMBOL(__kprobes_text_end) = .;
 
+#define IDMAP_TEXT							\
+		ALIGN_FUNCTION();					\
+		VMLINUX_SYMBOL(__idmap_text_start) = .;			\
+		*(.idmap.text)						\
+		VMLINUX_SYMBOL(__idmap_text_end) = .;
+
 #define ENTRY_TEXT							\
 		ALIGN_FUNCTION();					\
 		VMLINUX_SYMBOL(__entry_text_start) = .;			\
--- a/arch/arm/kernel/sleep.S
+++ b/arch/arm/kernel/sleep.S
@@ -85,12 +85,14 @@ ENDPROC(cpu_resume_mmu)
 	.ltorg
 	.align	5
 cpu_resume_turn_mmu_on:
+	.pushsection	.idmap.text,"ax"
 	mcr	p15, 0, r1, c1, c0, 0	@ turn on MMU, I-cache, etc
 	mrc	p15, 0, r1, c0, c0, 0	@ read id reg
 	mov	r1, r1
 	mov	r1, r1
 	mov	pc, r3			@ jump to virtual address
 ENDPROC(cpu_resume_turn_mmu_on)
+	.popsection
 cpu_resume_after_mmu:
 	str	r5, [r2, r4, lsl #2]	@ restore old mapping
 	mcr	p15, 0, r0, c1, c0, 0	@ turn on D-cache
--- a/arch/arm/mach-omap2/io.c
+++ b/arch/arm/mach-omap2/io.c
@@ -36,7 +36,7 @@
 #include "clock3xxx.h"
 #include "clock44xx.h"
 #include "io.h"
-
+#include "common.h"
 #include <plat/omap-pm.h>
 #include "powerdomain.h"
 
--- a/arch/arm/plat-omap/include/plat/common.h
+++ b/arch/arm/plat-omap/include/plat/common.h
@@ -27,78 +27,11 @@
 #ifndef __ARCH_ARM_MACH_OMAP_COMMON_H
 #define __ARCH_ARM_MACH_OMAP_COMMON_H
 
-#include <linux/delay.h>
-
 #include <plat/i2c.h>
 
-struct sys_timer;
-
-extern void omap_map_common_io(void);
-extern struct sys_timer omap1_timer;
-extern struct sys_timer omap2_timer;
-extern struct sys_timer omap3_timer;
-extern struct sys_timer omap3_secure_timer;
-extern struct sys_timer omap4_timer;
-extern bool omap_32k_timer_init(void);
 extern int __init omap_init_clocksource_32k(void);
 extern unsigned long long notrace omap_32k_sched_clock(void);
 
 extern void omap_reserve(void);
 
-/*
- * IO bases for various OMAP processors
- * Except the tap base, rest all the io bases
- * listed are physical addresses.
- */
-struct omap_globals {
-	u32		class;		/* OMAP class to detect */
-	void __iomem	*tap;		/* Control module ID code */
-	unsigned long   sdrc;           /* SDRAM Controller */
-	unsigned long   sms;            /* SDRAM Memory Scheduler */
-	unsigned long   ctrl;           /* System Control Module */
-	unsigned long   ctrl_pad;	/* PAD Control Module */
-	unsigned long   prm;            /* Power and Reset Management */
-	unsigned long   cm;             /* Clock Management */
-	unsigned long   cm2;
-};
-
-void omap2_set_globals_242x(void);
-void omap2_set_globals_243x(void);
-void omap2_set_globals_3xxx(void);
-void omap2_set_globals_443x(void);
-void omap2_set_globals_ti816x(void);
-
-/* These get called from omap2_set_globals_xxxx(), do not call these */
-void omap2_set_globals_tap(struct omap_globals *);
-void omap2_set_globals_sdrc(struct omap_globals *);
-void omap2_set_globals_control(struct omap_globals *);
-void omap2_set_globals_prcm(struct omap_globals *);
-
-void omap3_map_io(void);
-
-/**
- * omap_test_timeout - busy-loop, testing a condition
- * @cond: condition to test until it evaluates to true
- * @timeout: maximum number of microseconds in the timeout
- * @index: loop index (integer)
- *
- * Loop waiting for @cond to become true or until at least @timeout
- * microseconds have passed.  To use, define some integer @index in the
- * calling code.  After running, if @index == @timeout, then the loop has
- * timed out.
- */
-#define omap_test_timeout(cond, timeout, index)			\
-({								\
-	for (index = 0; index < timeout; index++) {		\
-		if (cond)					\
-			break;					\
-		udelay(1);					\
-	}							\
-})
-
-extern struct device *omap2_get_mpuss_device(void);
-extern struct device *omap2_get_iva_device(void);
-extern struct device *omap2_get_l3_device(void);
-extern struct device *omap4_get_dsp_device(void);
-
 #endif /* __ARCH_ARM_MACH_OMAP_COMMON_H */
--- a/arch/arm/plat-omap/include/plat/io.h
+++ b/arch/arm/plat-omap/include/plat/io.h
@@ -258,48 +258,9 @@ struct omap_sdrc_params;
 
 extern void omap1_map_common_io(void);
 extern void omap1_init_common_hw(void);
+extern void omap_writel(u32 v, u32 pa);
 
-#ifdef CONFIG_SOC_OMAP2420
-extern void omap242x_map_common_io(void);
-#else
-static inline void omap242x_map_common_io(void)
-{
-}
-#endif
-
-#ifdef CONFIG_SOC_OMAP2430
-extern void omap243x_map_common_io(void);
-#else
-static inline void omap243x_map_common_io(void)
-{
-}
-#endif
-
-#ifdef CONFIG_ARCH_OMAP3
-extern void omap34xx_map_common_io(void);
-#else
-static inline void omap34xx_map_common_io(void)
-{
-}
-#endif
-
-#ifdef CONFIG_SOC_OMAPTI816X
-extern void omapti816x_map_common_io(void);
-#else
-static inline void omapti816x_map_common_io(void)
-{
-}
-#endif
-
-#ifdef CONFIG_ARCH_OMAP4
-extern void omap44xx_map_common_io(void);
-#else
-static inline void omap44xx_map_common_io(void)
-{
-}
-#endif
-
-extern void omap2_init_common_infrastructure(void);
+struct omap_sdrc_params;
 extern void omap2_init_common_devices(struct omap_sdrc_params *sdrc_cs0,
 				      struct omap_sdrc_params *sdrc_cs1);