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authorPaul Mackerras <paulus@samba.org>2006-10-04 01:02:27 -0400
committerPaul Mackerras <paulus@samba.org>2006-10-04 01:02:27 -0400
commitc730f5b621afa33e9f4939da9078669162ebff4e (patch)
treeac78a2cea0fbf365ef659c26ab192e263debb544 /arch
parent0a730ae59960165ae50de3284fb50316d1755d98 (diff)
parent80a544cebca5f28397020332e21e04d639a18943 (diff)
Merge branch 'master' of git://oak/home/sfr/kernels/iseries/work
Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/Kconfig8
-rw-r--r--arch/powerpc/kernel/entry_64.S18
-rw-r--r--arch/powerpc/kernel/head_64.S28
-rw-r--r--arch/powerpc/kernel/misc_64.S46
-rw-r--r--arch/powerpc/kernel/pci_64.c58
-rw-r--r--arch/powerpc/kernel/vmlinux.lds.S8
-rw-r--r--arch/powerpc/mm/pgtable_64.c29
-rw-r--r--arch/powerpc/mm/slb_low.S3
-rw-r--r--arch/powerpc/platforms/iseries/pci.c8
-rw-r--r--arch/powerpc/platforms/iseries/setup.c16
10 files changed, 148 insertions, 74 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 032e6ab5d3c4..5342f3fdb083 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -338,10 +338,6 @@ config PPC_MULTIPLATFORM
338 RS/6000 machine, an Apple machine, or a PReP, CHRP, 338 RS/6000 machine, an Apple machine, or a PReP, CHRP,
339 Maple or Cell-based machine. 339 Maple or Cell-based machine.
340 340
341config PPC_ISERIES
342 bool "IBM Legacy iSeries"
343 depends on PPC64
344
345config EMBEDDED6xx 341config EMBEDDED6xx
346 bool "Embedded 6xx/7xx/7xxx-based board" 342 bool "Embedded 6xx/7xx/7xxx-based board"
347 depends on PPC32 && (BROKEN||BROKEN_ON_SMP) 343 depends on PPC32 && (BROKEN||BROKEN_ON_SMP)
@@ -365,6 +361,10 @@ config PPC_PSERIES
365 select PPC_UDBG_16550 361 select PPC_UDBG_16550
366 default y 362 default y
367 363
364config PPC_ISERIES
365 bool "IBM Legacy iSeries"
366 depends on PPC_MULTIPLATFORM && PPC64
367
368config PPC_CHRP 368config PPC_CHRP
369 bool "Common Hardware Reference Platform (CHRP) based machines" 369 bool "Common Hardware Reference Platform (CHRP) based machines"
370 depends on PPC_MULTIPLATFORM && PPC32 370 depends on PPC_MULTIPLATFORM && PPC32
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
index 2cd872b5283b..748e74fcf541 100644
--- a/arch/powerpc/kernel/entry_64.S
+++ b/arch/powerpc/kernel/entry_64.S
@@ -27,10 +27,7 @@
27#include <asm/ppc_asm.h> 27#include <asm/ppc_asm.h>
28#include <asm/asm-offsets.h> 28#include <asm/asm-offsets.h>
29#include <asm/cputable.h> 29#include <asm/cputable.h>
30 30#include <asm/firmware.h>
31#ifdef CONFIG_PPC_ISERIES
32#define DO_SOFT_DISABLE
33#endif
34 31
35/* 32/*
36 * System calls. 33 * System calls.
@@ -91,6 +88,7 @@ system_call_common:
91 ld r11,exception_marker@toc(r2) 88 ld r11,exception_marker@toc(r2)
92 std r11,-16(r9) /* "regshere" marker */ 89 std r11,-16(r9) /* "regshere" marker */
93#ifdef CONFIG_PPC_ISERIES 90#ifdef CONFIG_PPC_ISERIES
91BEGIN_FW_FTR_SECTION
94 /* Hack for handling interrupts when soft-enabling on iSeries */ 92 /* Hack for handling interrupts when soft-enabling on iSeries */
95 cmpdi cr1,r0,0x5555 /* syscall 0x5555 */ 93 cmpdi cr1,r0,0x5555 /* syscall 0x5555 */
96 andi. r10,r12,MSR_PR /* from kernel */ 94 andi. r10,r12,MSR_PR /* from kernel */
@@ -98,6 +96,7 @@ system_call_common:
98 beq hardware_interrupt_entry 96 beq hardware_interrupt_entry
99 lbz r10,PACAPROCENABLED(r13) 97 lbz r10,PACAPROCENABLED(r13)
100 std r10,SOFTE(r1) 98 std r10,SOFTE(r1)
99END_FW_FTR_SECTION_IFSET(FW_FEATURE_ISERIES)
101#endif 100#endif
102 mfmsr r11 101 mfmsr r11
103 ori r11,r11,MSR_EE 102 ori r11,r11,MSR_EE
@@ -462,6 +461,7 @@ _GLOBAL(ret_from_except_lite)
462 461
463restore: 462restore:
464#ifdef CONFIG_PPC_ISERIES 463#ifdef CONFIG_PPC_ISERIES
464BEGIN_FW_FTR_SECTION
465 ld r5,SOFTE(r1) 465 ld r5,SOFTE(r1)
466 cmpdi 0,r5,0 466 cmpdi 0,r5,0
467 beq 4f 467 beq 4f
@@ -480,6 +480,7 @@ restore:
480 b .ret_from_except_lite /* loop back and handle more */ 480 b .ret_from_except_lite /* loop back and handle more */
481 481
4824: stb r5,PACAPROCENABLED(r13) 4824: stb r5,PACAPROCENABLED(r13)
483END_FW_FTR_SECTION_IFSET(FW_FEATURE_ISERIES)
483#endif 484#endif
484 485
485 ld r3,_MSR(r1) 486 ld r3,_MSR(r1)
@@ -538,18 +539,23 @@ do_work:
538 lwz r8,TI_PREEMPT(r9) 539 lwz r8,TI_PREEMPT(r9)
539 cmpwi cr1,r8,0 540 cmpwi cr1,r8,0
540#ifdef CONFIG_PPC_ISERIES 541#ifdef CONFIG_PPC_ISERIES
542BEGIN_FW_FTR_SECTION
541 ld r0,SOFTE(r1) 543 ld r0,SOFTE(r1)
542 cmpdi r0,0 544 cmpdi r0,0
543#else 545END_FW_FTR_SECTION_IFSET(FW_FEATURE_ISERIES)
544 andi. r0,r3,MSR_EE
545#endif 546#endif
547BEGIN_FW_FTR_SECTION
548 andi. r0,r3,MSR_EE
549END_FW_FTR_SECTION_IFCLR(FW_FEATURE_ISERIES)
546 crandc eq,cr1*4+eq,eq 550 crandc eq,cr1*4+eq,eq
547 bne restore 551 bne restore
548 /* here we are preempting the current task */ 552 /* here we are preempting the current task */
5491: 5531:
550#ifdef CONFIG_PPC_ISERIES 554#ifdef CONFIG_PPC_ISERIES
555BEGIN_FW_FTR_SECTION
551 li r0,1 556 li r0,1
552 stb r0,PACAPROCENABLED(r13) 557 stb r0,PACAPROCENABLED(r13)
558END_FW_FTR_SECTION_IFSET(FW_FEATURE_ISERIES)
553#endif 559#endif
554 ori r10,r10,MSR_EE 560 ori r10,r10,MSR_EE
555 mtmsrd r10,1 /* reenable interrupts */ 561 mtmsrd r10,1 /* reenable interrupts */
diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S
index 3065b472b95d..645c7f10fb28 100644
--- a/arch/powerpc/kernel/head_64.S
+++ b/arch/powerpc/kernel/head_64.S
@@ -33,6 +33,7 @@
33#include <asm/hvcall.h> 33#include <asm/hvcall.h>
34#include <asm/iseries/lpar_map.h> 34#include <asm/iseries/lpar_map.h>
35#include <asm/thread_info.h> 35#include <asm/thread_info.h>
36#include <asm/firmware.h>
36 37
37#ifdef CONFIG_PPC_ISERIES 38#ifdef CONFIG_PPC_ISERIES
38#define DO_SOFT_DISABLE 39#define DO_SOFT_DISABLE
@@ -365,19 +366,28 @@ label##_iSeries: \
365 366
366#ifdef DO_SOFT_DISABLE 367#ifdef DO_SOFT_DISABLE
367#define DISABLE_INTS \ 368#define DISABLE_INTS \
369BEGIN_FW_FTR_SECTION; \
368 lbz r10,PACAPROCENABLED(r13); \ 370 lbz r10,PACAPROCENABLED(r13); \
369 li r11,0; \ 371 li r11,0; \
370 std r10,SOFTE(r1); \ 372 std r10,SOFTE(r1); \
371 mfmsr r10; \ 373 mfmsr r10; \
372 stb r11,PACAPROCENABLED(r13); \ 374 stb r11,PACAPROCENABLED(r13); \
373 ori r10,r10,MSR_EE; \ 375 ori r10,r10,MSR_EE; \
374 mtmsrd r10,1 376 mtmsrd r10,1; \
377END_FW_FTR_SECTION_IFSET(FW_FEATURE_ISERIES)
375 378
376#define ENABLE_INTS \ 379#define ENABLE_INTS \
380BEGIN_FW_FTR_SECTION; \
377 lbz r10,PACAPROCENABLED(r13); \ 381 lbz r10,PACAPROCENABLED(r13); \
378 mfmsr r11; \ 382 mfmsr r11; \
379 std r10,SOFTE(r1); \ 383 std r10,SOFTE(r1); \
380 ori r11,r11,MSR_EE; \ 384 ori r11,r11,MSR_EE; \
385END_FW_FTR_SECTION_IFSET(FW_FEATURE_ISERIES); \
386BEGIN_FW_FTR_SECTION; \
387 ld r12,_MSR(r1); \
388 mfmsr r11; \
389 rlwimi r11,r12,0,MSR_EE; \
390END_FW_FTR_SECTION_IFCLR(FW_FEATURE_ISERIES); \
381 mtmsrd r11,1 391 mtmsrd r11,1
382 392
383#else /* hard enable/disable interrupts */ 393#else /* hard enable/disable interrupts */
@@ -1071,8 +1081,10 @@ _GLOBAL(slb_miss_realmode)
1071 ld r3,PACA_EXSLB+EX_R3(r13) 1081 ld r3,PACA_EXSLB+EX_R3(r13)
1072 lwz r9,PACA_EXSLB+EX_CCR(r13) /* get saved CR */ 1082 lwz r9,PACA_EXSLB+EX_CCR(r13) /* get saved CR */
1073#ifdef CONFIG_PPC_ISERIES 1083#ifdef CONFIG_PPC_ISERIES
1084BEGIN_FW_FTR_SECTION
1074 ld r11,PACALPPACAPTR(r13) 1085 ld r11,PACALPPACAPTR(r13)
1075 ld r11,LPPACASRR0(r11) /* get SRR0 value */ 1086 ld r11,LPPACASRR0(r11) /* get SRR0 value */
1087END_FW_FTR_SECTION_IFSET(FW_FEATURE_ISERIES)
1076#endif /* CONFIG_PPC_ISERIES */ 1088#endif /* CONFIG_PPC_ISERIES */
1077 1089
1078 mtlr r10 1090 mtlr r10
@@ -1087,8 +1099,10 @@ _GLOBAL(slb_miss_realmode)
1087.machine pop 1099.machine pop
1088 1100
1089#ifdef CONFIG_PPC_ISERIES 1101#ifdef CONFIG_PPC_ISERIES
1102BEGIN_FW_FTR_SECTION
1090 mtspr SPRN_SRR0,r11 1103 mtspr SPRN_SRR0,r11
1091 mtspr SPRN_SRR1,r12 1104 mtspr SPRN_SRR1,r12
1105END_FW_FTR_SECTION_IFSET(FW_FEATURE_ISERIES)
1092#endif /* CONFIG_PPC_ISERIES */ 1106#endif /* CONFIG_PPC_ISERIES */
1093 ld r9,PACA_EXSLB+EX_R9(r13) 1107 ld r9,PACA_EXSLB+EX_R9(r13)
1094 ld r10,PACA_EXSLB+EX_R10(r13) 1108 ld r10,PACA_EXSLB+EX_R10(r13)
@@ -1301,6 +1315,7 @@ END_FTR_SECTION_IFCLR(CPU_FTR_SLB)
1301 cmpdi r3,0 /* see if hash_page succeeded */ 1315 cmpdi r3,0 /* see if hash_page succeeded */
1302 1316
1303#ifdef DO_SOFT_DISABLE 1317#ifdef DO_SOFT_DISABLE
1318BEGIN_FW_FTR_SECTION
1304 /* 1319 /*
1305 * If we had interrupts soft-enabled at the point where the 1320 * If we had interrupts soft-enabled at the point where the
1306 * DSI/ISI occurred, and an interrupt came in during hash_page, 1321 * DSI/ISI occurred, and an interrupt came in during hash_page,
@@ -1321,12 +1336,14 @@ END_FTR_SECTION_IFCLR(CPU_FTR_SLB)
1321 ld r3,SOFTE(r1) 1336 ld r3,SOFTE(r1)
1322 bl .local_irq_restore 1337 bl .local_irq_restore
1323 b 11f 1338 b 11f
1324#else 1339END_FW_FTR_SECTION_IFSET(FW_FEATURE_ISERIES)
1340#endif
1341BEGIN_FW_FTR_SECTION
1325 beq fast_exception_return /* Return from exception on success */ 1342 beq fast_exception_return /* Return from exception on success */
1326 ble- 12f /* Failure return from hash_page */ 1343 ble- 12f /* Failure return from hash_page */
1327 1344
1328 /* fall through */ 1345 /* fall through */
1329#endif 1346END_FW_FTR_SECTION_IFCLR(FW_FEATURE_ISERIES)
1330 1347
1331/* Here we have a page fault that hash_page can't handle. */ 1348/* Here we have a page fault that hash_page can't handle. */
1332_GLOBAL(handle_page_fault) 1349_GLOBAL(handle_page_fault)
@@ -1861,7 +1878,9 @@ _GLOBAL(__secondary_start)
1861 LOAD_REG_ADDR(r3, .start_secondary_prolog) 1878 LOAD_REG_ADDR(r3, .start_secondary_prolog)
1862 LOAD_REG_IMMEDIATE(r4, MSR_KERNEL) 1879 LOAD_REG_IMMEDIATE(r4, MSR_KERNEL)
1863#ifdef DO_SOFT_DISABLE 1880#ifdef DO_SOFT_DISABLE
1881BEGIN_FW_FTR_SECTION
1864 ori r4,r4,MSR_EE 1882 ori r4,r4,MSR_EE
1883END_FW_FTR_SECTION_IFSET(FW_FEATURE_ISERIES)
1865#endif 1884#endif
1866 mtspr SPRN_SRR0,r3 1885 mtspr SPRN_SRR0,r3
1867 mtspr SPRN_SRR1,r4 1886 mtspr SPRN_SRR1,r4
@@ -1986,6 +2005,7 @@ _STATIC(start_here_common)
1986 */ 2005 */
1987 li r3,0 2006 li r3,0
1988 bl .do_cpu_ftr_fixups 2007 bl .do_cpu_ftr_fixups
2008 bl .do_fw_ftr_fixups
1989 2009
1990 /* ptr to current */ 2010 /* ptr to current */
1991 LOAD_REG_IMMEDIATE(r4, init_task) 2011 LOAD_REG_IMMEDIATE(r4, init_task)
@@ -2000,11 +2020,13 @@ _STATIC(start_here_common)
2000 /* Load up the kernel context */ 2020 /* Load up the kernel context */
20015: 20215:
2002#ifdef DO_SOFT_DISABLE 2022#ifdef DO_SOFT_DISABLE
2023BEGIN_FW_FTR_SECTION
2003 li r5,0 2024 li r5,0
2004 stb r5,PACAPROCENABLED(r13) /* Soft Disabled */ 2025 stb r5,PACAPROCENABLED(r13) /* Soft Disabled */
2005 mfmsr r5 2026 mfmsr r5
2006 ori r5,r5,MSR_EE /* Hard Enabled */ 2027 ori r5,r5,MSR_EE /* Hard Enabled */
2007 mtmsrd r5 2028 mtmsrd r5
2029END_FW_FTR_SECTION_IFSET(FW_FEATURE_ISERIES)
2008#endif 2030#endif
2009 2031
2010 bl .start_kernel 2032 bl .start_kernel
diff --git a/arch/powerpc/kernel/misc_64.S b/arch/powerpc/kernel/misc_64.S
index 9c54eccad993..41521b30c3cd 100644
--- a/arch/powerpc/kernel/misc_64.S
+++ b/arch/powerpc/kernel/misc_64.S
@@ -325,6 +325,52 @@ _GLOBAL(do_cpu_ftr_fixups)
325 isync 325 isync
326 b 1b 326 b 1b
327 327
328/*
329 * do_fw_ftr_fixups - goes through the list of firmware feature fixups
330 * and writes nop's over sections of code that don't apply for this firmware.
331 * r3 = data offset (not changed)
332 */
333_GLOBAL(do_fw_ftr_fixups)
334 /* Get firmware features */
335 LOAD_REG_IMMEDIATE(r6,powerpc_firmware_features)
336 sub r6,r6,r3
337 ld r4,0(r6)
338 /* Get the fixup table */
339 LOAD_REG_IMMEDIATE(r6,__start___fw_ftr_fixup)
340 sub r6,r6,r3
341 LOAD_REG_IMMEDIATE(r7,__stop___fw_ftr_fixup)
342 sub r7,r7,r3
343 /* Do the fixup */
3441: cmpld r6,r7
345 bgelr
346 addi r6,r6,32
347 ld r8,-32(r6) /* mask */
348 and r8,r8,r4
349 ld r9,-24(r6) /* value */
350 cmpld r8,r9
351 beq 1b
352 ld r8,-16(r6) /* section begin */
353 ld r9,-8(r6) /* section end */
354 subf. r9,r8,r9
355 beq 1b
356 /* write nops over the section of code */
357 /* todo: if large section, add a branch at the start of it */
358 srwi r9,r9,2
359 mtctr r9
360 sub r8,r8,r3
361 lis r0,0x60000000@h /* nop */
3623: stw r0,0(r8)
363BEGIN_FTR_SECTION
364 dcbst 0,r8 /* suboptimal, but simpler */
365 sync
366 icbi 0,r8
367END_FTR_SECTION_IFSET(CPU_FTR_SPLIT_ID_CACHE)
368 addi r8,r8,4
369 bdnz 3b
370 sync /* additional sync needed on g4 */
371 isync
372 b 1b
373
328#if defined(CONFIG_PPC_PMAC) || defined(CONFIG_PPC_MAPLE) 374#if defined(CONFIG_PPC_PMAC) || defined(CONFIG_PPC_MAPLE)
329/* 375/*
330 * Do an IO access in real mode 376 * Do an IO access in real mode
diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c
index c1b1e14775e4..78d3c0fc8dfb 100644
--- a/arch/powerpc/kernel/pci_64.c
+++ b/arch/powerpc/kernel/pci_64.c
@@ -30,6 +30,7 @@
30#include <asm/byteorder.h> 30#include <asm/byteorder.h>
31#include <asm/machdep.h> 31#include <asm/machdep.h>
32#include <asm/ppc-pci.h> 32#include <asm/ppc-pci.h>
33#include <asm/firmware.h>
33 34
34#ifdef DEBUG 35#ifdef DEBUG
35#include <asm/udbg.h> 36#include <asm/udbg.h>
@@ -209,7 +210,6 @@ void pcibios_free_controller(struct pci_controller *phb)
209 kfree(phb); 210 kfree(phb);
210} 211}
211 212
212#ifndef CONFIG_PPC_ISERIES
213void __devinit pcibios_claim_one_bus(struct pci_bus *b) 213void __devinit pcibios_claim_one_bus(struct pci_bus *b)
214{ 214{
215 struct pci_dev *dev; 215 struct pci_dev *dev;
@@ -238,10 +238,12 @@ static void __init pcibios_claim_of_setup(void)
238{ 238{
239 struct pci_bus *b; 239 struct pci_bus *b;
240 240
241 if (firmware_has_feature(FW_FEATURE_ISERIES))
242 return;
243
241 list_for_each_entry(b, &pci_root_buses, node) 244 list_for_each_entry(b, &pci_root_buses, node)
242 pcibios_claim_one_bus(b); 245 pcibios_claim_one_bus(b);
243} 246}
244#endif
245 247
246#ifdef CONFIG_PPC_MULTIPLATFORM 248#ifdef CONFIG_PPC_MULTIPLATFORM
247static u32 get_int_prop(struct device_node *np, const char *name, u32 def) 249static u32 get_int_prop(struct device_node *np, const char *name, u32 def)
@@ -554,9 +556,8 @@ static int __init pcibios_init(void)
554 */ 556 */
555 ppc_md.phys_mem_access_prot = pci_phys_mem_access_prot; 557 ppc_md.phys_mem_access_prot = pci_phys_mem_access_prot;
556 558
557#ifdef CONFIG_PPC_ISERIES 559 if (firmware_has_feature(FW_FEATURE_ISERIES))
558 iSeries_pcibios_init(); 560 iSeries_pcibios_init();
559#endif
560 561
561 printk(KERN_DEBUG "PCI: Probing PCI hardware\n"); 562 printk(KERN_DEBUG "PCI: Probing PCI hardware\n");
562 563
@@ -566,15 +567,15 @@ static int __init pcibios_init(void)
566 pci_bus_add_devices(hose->bus); 567 pci_bus_add_devices(hose->bus);
567 } 568 }
568 569
569#ifndef CONFIG_PPC_ISERIES 570 if (!firmware_has_feature(FW_FEATURE_ISERIES)) {
570 if (pci_probe_only) 571 if (pci_probe_only)
571 pcibios_claim_of_setup(); 572 pcibios_claim_of_setup();
572 else 573 else
573 /* FIXME: `else' will be removed when 574 /* FIXME: `else' will be removed when
574 pci_assign_unassigned_resources() is able to work 575 pci_assign_unassigned_resources() is able to work
575 correctly with [partially] allocated PCI tree. */ 576 correctly with [partially] allocated PCI tree. */
576 pci_assign_unassigned_resources(); 577 pci_assign_unassigned_resources();
577#endif /* !CONFIG_PPC_ISERIES */ 578 }
578 579
579 /* Call machine dependent final fixup */ 580 /* Call machine dependent final fixup */
580 if (ppc_md.pcibios_fixup) 581 if (ppc_md.pcibios_fixup)
@@ -586,8 +587,9 @@ static int __init pcibios_init(void)
586 printk(KERN_DEBUG "ISA bridge at %s\n", pci_name(ppc64_isabridge_dev)); 587 printk(KERN_DEBUG "ISA bridge at %s\n", pci_name(ppc64_isabridge_dev));
587 588
588#ifdef CONFIG_PPC_MULTIPLATFORM 589#ifdef CONFIG_PPC_MULTIPLATFORM
589 /* map in PCI I/O space */ 590 if (!firmware_has_feature(FW_FEATURE_ISERIES))
590 phbs_remap_io(); 591 /* map in PCI I/O space */
592 phbs_remap_io();
591#endif 593#endif
592 594
593 printk(KERN_DEBUG "PCI: Probing PCI hardware done\n"); 595 printk(KERN_DEBUG "PCI: Probing PCI hardware done\n");
@@ -637,13 +639,13 @@ int pcibios_enable_device(struct pci_dev *dev, int mask)
637 */ 639 */
638int pci_domain_nr(struct pci_bus *bus) 640int pci_domain_nr(struct pci_bus *bus)
639{ 641{
640#ifdef CONFIG_PPC_ISERIES 642 if (firmware_has_feature(FW_FEATURE_ISERIES))
641 return 0; 643 return 0;
642#else 644 else {
643 struct pci_controller *hose = pci_bus_to_host(bus); 645 struct pci_controller *hose = pci_bus_to_host(bus);
644 646
645 return hose->global_number; 647 return hose->global_number;
646#endif 648 }
647} 649}
648 650
649EXPORT_SYMBOL(pci_domain_nr); 651EXPORT_SYMBOL(pci_domain_nr);
@@ -651,12 +653,12 @@ EXPORT_SYMBOL(pci_domain_nr);
651/* Decide whether to display the domain number in /proc */ 653/* Decide whether to display the domain number in /proc */
652int pci_proc_domain(struct pci_bus *bus) 654int pci_proc_domain(struct pci_bus *bus)
653{ 655{
654#ifdef CONFIG_PPC_ISERIES 656 if (firmware_has_feature(FW_FEATURE_ISERIES))
655 return 0; 657 return 0;
656#else 658 else {
657 struct pci_controller *hose = pci_bus_to_host(bus); 659 struct pci_controller *hose = pci_bus_to_host(bus);
658 return hose->buid; 660 return hose->buid;
659#endif 661 }
660} 662}
661 663
662/* 664/*
diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S
index 02665a02130d..cb0e8d46c3e8 100644
--- a/arch/powerpc/kernel/vmlinux.lds.S
+++ b/arch/powerpc/kernel/vmlinux.lds.S
@@ -132,6 +132,14 @@ SECTIONS
132 *(__ftr_fixup) 132 *(__ftr_fixup)
133 __stop___ftr_fixup = .; 133 __stop___ftr_fixup = .;
134 } 134 }
135#ifdef CONFIG_PPC64
136 . = ALIGN(8);
137 __fw_ftr_fixup : {
138 __start___fw_ftr_fixup = .;
139 *(__fw_ftr_fixup)
140 __stop___fw_ftr_fixup = .;
141 }
142#endif
135 143
136 . = ALIGN(PAGE_SIZE); 144 . = ALIGN(PAGE_SIZE);
137 .init.ramfs : { 145 .init.ramfs : {
diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c
index b1da03165496..ac64f4aaa509 100644
--- a/arch/powerpc/mm/pgtable_64.c
+++ b/arch/powerpc/mm/pgtable_64.c
@@ -63,32 +63,13 @@
63#include <asm/iommu.h> 63#include <asm/iommu.h>
64#include <asm/abs_addr.h> 64#include <asm/abs_addr.h>
65#include <asm/vdso.h> 65#include <asm/vdso.h>
66#include <asm/firmware.h>
66 67
67#include "mmu_decl.h" 68#include "mmu_decl.h"
68 69
69unsigned long ioremap_bot = IMALLOC_BASE; 70unsigned long ioremap_bot = IMALLOC_BASE;
70static unsigned long phbs_io_bot = PHBS_IO_BASE; 71static unsigned long phbs_io_bot = PHBS_IO_BASE;
71 72
72#ifdef CONFIG_PPC_ISERIES
73
74void __iomem *ioremap(unsigned long addr, unsigned long size)
75{
76 return (void __iomem *)addr;
77}
78
79extern void __iomem *__ioremap(unsigned long addr, unsigned long size,
80 unsigned long flags)
81{
82 return (void __iomem *)addr;
83}
84
85void iounmap(volatile void __iomem *addr)
86{
87 return;
88}
89
90#else
91
92/* 73/*
93 * map_io_page currently only called by __ioremap 74 * map_io_page currently only called by __ioremap
94 * map_io_page adds an entry to the ioremap page table 75 * map_io_page adds an entry to the ioremap page table
@@ -161,6 +142,9 @@ void __iomem * __ioremap(unsigned long addr, unsigned long size,
161 unsigned long pa, ea; 142 unsigned long pa, ea;
162 void __iomem *ret; 143 void __iomem *ret;
163 144
145 if (firmware_has_feature(FW_FEATURE_ISERIES))
146 return (void __iomem *)addr;
147
164 /* 148 /*
165 * Choose an address to map it to. 149 * Choose an address to map it to.
166 * Once the imalloc system is running, we use it. 150 * Once the imalloc system is running, we use it.
@@ -255,6 +239,9 @@ void iounmap(volatile void __iomem *token)
255{ 239{
256 void *addr; 240 void *addr;
257 241
242 if (firmware_has_feature(FW_FEATURE_ISERIES))
243 return;
244
258 if (!mem_init_done) 245 if (!mem_init_done)
259 return; 246 return;
260 247
@@ -315,8 +302,6 @@ int iounmap_explicit(volatile void __iomem *start, unsigned long size)
315 return 0; 302 return 0;
316} 303}
317 304
318#endif
319
320EXPORT_SYMBOL(ioremap); 305EXPORT_SYMBOL(ioremap);
321EXPORT_SYMBOL(__ioremap); 306EXPORT_SYMBOL(__ioremap);
322EXPORT_SYMBOL(iounmap); 307EXPORT_SYMBOL(iounmap);
diff --git a/arch/powerpc/mm/slb_low.S b/arch/powerpc/mm/slb_low.S
index dbc1abbde038..b10e4707d7c1 100644
--- a/arch/powerpc/mm/slb_low.S
+++ b/arch/powerpc/mm/slb_low.S
@@ -21,6 +21,7 @@
21#include <asm/page.h> 21#include <asm/page.h>
22#include <asm/mmu.h> 22#include <asm/mmu.h>
23#include <asm/pgtable.h> 23#include <asm/pgtable.h>
24#include <asm/firmware.h>
24 25
25/* void slb_allocate_realmode(unsigned long ea); 26/* void slb_allocate_realmode(unsigned long ea);
26 * 27 *
@@ -183,6 +184,7 @@ slb_finish_load:
183 * dont have any LRU information to help us choose a slot. 184 * dont have any LRU information to help us choose a slot.
184 */ 185 */
185#ifdef CONFIG_PPC_ISERIES 186#ifdef CONFIG_PPC_ISERIES
187BEGIN_FW_FTR_SECTION
186 /* 188 /*
187 * On iSeries, the "bolted" stack segment can be cast out on 189 * On iSeries, the "bolted" stack segment can be cast out on
188 * shared processor switch so we need to check for a miss on 190 * shared processor switch so we need to check for a miss on
@@ -194,6 +196,7 @@ slb_finish_load:
194 li r10,SLB_NUM_BOLTED-1 /* Stack goes in last bolted slot */ 196 li r10,SLB_NUM_BOLTED-1 /* Stack goes in last bolted slot */
195 cmpld r9,r3 197 cmpld r9,r3
196 beq 3f 198 beq 3f
199END_FW_FTR_SECTION_IFSET(FW_FEATURE_ISERIES)
197#endif /* CONFIG_PPC_ISERIES */ 200#endif /* CONFIG_PPC_ISERIES */
198 201
199 ld r10,PACASTABRR(r13) 202 ld r10,PACASTABRR(r13)
diff --git a/arch/powerpc/platforms/iseries/pci.c b/arch/powerpc/platforms/iseries/pci.c
index 3eb12065df23..4aa165e010d9 100644
--- a/arch/powerpc/platforms/iseries/pci.c
+++ b/arch/powerpc/platforms/iseries/pci.c
@@ -262,14 +262,6 @@ void __init iSeries_pci_final_fixup(void)
262 mf_display_src(0xC9000200); 262 mf_display_src(0xC9000200);
263} 263}
264 264
265void pcibios_fixup_bus(struct pci_bus *PciBus)
266{
267}
268
269void pcibios_fixup_resources(struct pci_dev *pdev)
270{
271}
272
273/* 265/*
274 * Look down the chain to find the matching Device Device 266 * Look down the chain to find the matching Device Device
275 */ 267 */
diff --git a/arch/powerpc/platforms/iseries/setup.c b/arch/powerpc/platforms/iseries/setup.c
index 7f1953066ff8..a0ff7ba7d666 100644
--- a/arch/powerpc/platforms/iseries/setup.c
+++ b/arch/powerpc/platforms/iseries/setup.c
@@ -649,15 +649,21 @@ static void iseries_dedicated_idle(void)
649void __init iSeries_init_IRQ(void) { } 649void __init iSeries_init_IRQ(void) { }
650#endif 650#endif
651 651
652/*
653 * iSeries has no legacy IO, anything calling this function has to
654 * fail or bad things will happen
655 */
656static int iseries_check_legacy_ioport(unsigned int baseport)
657{
658 return -ENODEV;
659}
660
652static int __init iseries_probe(void) 661static int __init iseries_probe(void)
653{ 662{
654 unsigned long root = of_get_flat_dt_root(); 663 unsigned long root = of_get_flat_dt_root();
655 if (!of_flat_dt_is_compatible(root, "IBM,iSeries")) 664 if (!of_flat_dt_is_compatible(root, "IBM,iSeries"))
656 return 0; 665 return 0;
657 666
658 powerpc_firmware_features |= FW_FEATURE_ISERIES;
659 powerpc_firmware_features |= FW_FEATURE_LPAR;
660
661 hpte_init_iSeries(); 667 hpte_init_iSeries();
662 668
663 return 1; 669 return 1;
@@ -680,6 +686,7 @@ define_machine(iseries) {
680 .calibrate_decr = generic_calibrate_decr, 686 .calibrate_decr = generic_calibrate_decr,
681 .progress = iSeries_progress, 687 .progress = iSeries_progress,
682 .probe = iseries_probe, 688 .probe = iseries_probe,
689 .check_legacy_ioport = iseries_check_legacy_ioport,
683 /* XXX Implement enable_pmcs for iSeries */ 690 /* XXX Implement enable_pmcs for iSeries */
684}; 691};
685 692
@@ -687,6 +694,9 @@ void * __init iSeries_early_setup(void)
687{ 694{
688 unsigned long phys_mem_size; 695 unsigned long phys_mem_size;
689 696
697 powerpc_firmware_features |= FW_FEATURE_ISERIES;
698 powerpc_firmware_features |= FW_FEATURE_LPAR;
699
690 iSeries_fixup_klimit(); 700 iSeries_fixup_klimit();
691 701
692 /* 702 /*