2 * 64-bit pSeries and RS/6000 setup code.
4 * Copyright (C) 1995 Linus Torvalds
5 * Adapted from 'alpha' version by Gary Thomas
6 * Modified by Cort Dougan (cort@cs.nmt.edu)
7 * Modified by PPC64 Team, IBM Corp
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * as published by the Free Software Foundation; either version
12 * 2 of the License, or (at your option) any later version.
16 * bootup setup stuff..
19 #include <linux/cpu.h>
20 #include <linux/errno.h>
21 #include <linux/sched.h>
22 #include <linux/kernel.h>
24 #include <linux/stddef.h>
25 #include <linux/unistd.h>
26 #include <linux/user.h>
27 #include <linux/tty.h>
28 #include <linux/major.h>
29 #include <linux/interrupt.h>
30 #include <linux/reboot.h>
31 #include <linux/init.h>
32 #include <linux/ioport.h>
33 #include <linux/console.h>
34 #include <linux/pci.h>
35 #include <linux/utsname.h>
36 #include <linux/adb.h>
37 #include <linux/export.h>
38 #include <linux/delay.h>
39 #include <linux/irq.h>
40 #include <linux/seq_file.h>
41 #include <linux/root_dev.h>
43 #include <linux/of_pci.h>
46 #include <asm/processor.h>
48 #include <asm/pgtable.h>
51 #include <asm/pci-bridge.h>
52 #include <asm/iommu.h>
54 #include <asm/machdep.h>
57 #include <asm/nvram.h>
61 #include <asm/ppc-pci.h>
62 #include <asm/i8259.h>
65 #include <asm/firmware.h>
68 #include <asm/plpar_wrappers.h>
69 #include <asm/kexec.h>
70 #include <asm/isa-bridge.h>
71 #include <asm/security_features.h>
77 unsigned long CMO_PageSize
= (ASM_CONST(1) << IOMMU_PAGE_SHIFT_4K
);
78 EXPORT_SYMBOL(CMO_PageSize
);
80 int fwnmi_active
; /* TRUE if an FWNMI handler is present */
82 static void pSeries_show_cpuinfo(struct seq_file
*m
)
84 struct device_node
*root
;
85 const char *model
= "";
87 root
= of_find_node_by_path("/");
89 model
= of_get_property(root
, "model", NULL
);
90 seq_printf(m
, "machine\t\t: CHRP %s\n", model
);
93 seq_printf(m
, "MMU\t\t: Radix\n");
95 seq_printf(m
, "MMU\t\t: Hash\n");
98 /* Initialize firmware assisted non-maskable interrupts if
99 * the firmware supports this feature.
101 static void __init
fwnmi_init(void)
103 unsigned long system_reset_addr
, machine_check_addr
;
105 int ibm_nmi_register
= rtas_token("ibm,nmi-register");
106 if (ibm_nmi_register
== RTAS_UNKNOWN_SERVICE
)
109 /* If the kernel's not linked at zero we point the firmware at low
110 * addresses anyway, and use a trampoline to get to the real code. */
111 system_reset_addr
= __pa(system_reset_fwnmi
) - PHYSICAL_START
;
112 machine_check_addr
= __pa(machine_check_fwnmi
) - PHYSICAL_START
;
114 if (0 == rtas_call(ibm_nmi_register
, 2, 1, NULL
, system_reset_addr
,
119 static void pseries_8259_cascade(struct irq_desc
*desc
)
121 struct irq_chip
*chip
= irq_desc_get_chip(desc
);
122 unsigned int cascade_irq
= i8259_irq();
125 generic_handle_irq(cascade_irq
);
127 chip
->irq_eoi(&desc
->irq_data
);
130 static void __init
pseries_setup_i8259_cascade(void)
132 struct device_node
*np
, *old
, *found
= NULL
;
133 unsigned int cascade
;
135 unsigned long intack
= 0;
138 for_each_node_by_type(np
, "interrupt-controller") {
139 if (of_device_is_compatible(np
, "chrp,iic")) {
146 printk(KERN_DEBUG
"pic: no ISA interrupt controller\n");
150 cascade
= irq_of_parse_and_map(found
, 0);
152 printk(KERN_ERR
"pic: failed to map cascade interrupt");
155 pr_debug("pic: cascade mapped to irq %d\n", cascade
);
157 for (old
= of_node_get(found
); old
!= NULL
; old
= np
) {
158 np
= of_get_parent(old
);
162 if (strcmp(np
->name
, "pci") != 0)
164 addrp
= of_get_property(np
, "8259-interrupt-acknowledge", NULL
);
167 naddr
= of_n_addr_cells(np
);
168 intack
= addrp
[naddr
-1];
170 intack
|= ((unsigned long)addrp
[naddr
-2]) << 32;
173 printk(KERN_DEBUG
"pic: PCI 8259 intack at 0x%016lx\n", intack
);
174 i8259_init(found
, intack
);
176 irq_set_chained_handler(cascade
, pseries_8259_cascade
);
179 static void __init
pseries_init_irq(void)
181 /* Try using a XIVE if available, otherwise use a XICS */
182 if (!xive_spapr_init()) {
184 pseries_setup_i8259_cascade();
188 static void pseries_lpar_enable_pmcs(void)
190 unsigned long set
, reset
;
194 plpar_hcall_norets(H_PERFMON
, set
, reset
);
197 static int pci_dn_reconfig_notifier(struct notifier_block
*nb
, unsigned long action
, void *data
)
199 struct of_reconfig_data
*rd
= data
;
200 struct device_node
*parent
, *np
= rd
->dn
;
205 case OF_RECONFIG_ATTACH_NODE
:
206 parent
= of_get_parent(np
);
207 pdn
= parent
? PCI_DN(parent
) : NULL
;
209 pci_add_device_node_info(pdn
->phb
, np
);
213 case OF_RECONFIG_DETACH_NODE
:
216 list_del(&pdn
->list
);
225 static struct notifier_block pci_dn_reconfig_nb
= {
226 .notifier_call
= pci_dn_reconfig_notifier
,
229 struct kmem_cache
*dtl_cache
;
231 #ifdef CONFIG_VIRT_CPU_ACCOUNTING_NATIVE
233 * Allocate space for the dispatch trace log for all possible cpus
234 * and register the buffers with the hypervisor. This is used for
235 * computing time stolen by the hypervisor.
237 static int alloc_dispatch_logs(void)
240 struct paca_struct
*pp
;
241 struct dtl_entry
*dtl
;
243 if (!firmware_has_feature(FW_FEATURE_SPLPAR
))
249 for_each_possible_cpu(cpu
) {
251 dtl
= kmem_cache_alloc(dtl_cache
, GFP_KERNEL
);
253 pr_warn("Failed to allocate dispatch trace log for cpu %d\n",
255 pr_warn("Stolen time statistics will be unreliable\n");
260 pp
->dispatch_log
= dtl
;
261 pp
->dispatch_log_end
= dtl
+ N_DISPATCH_LOG
;
265 /* Register the DTL for the current (boot) cpu */
266 dtl
= get_paca()->dispatch_log
;
267 get_paca()->dtl_ridx
= 0;
268 get_paca()->dtl_curr
= dtl
;
269 get_paca()->lppaca_ptr
->dtl_idx
= 0;
271 /* hypervisor reads buffer length from this field */
272 dtl
->enqueue_to_dispatch_time
= cpu_to_be32(DISPATCH_LOG_BYTES
);
273 ret
= register_dtl(hard_smp_processor_id(), __pa(dtl
));
275 pr_err("WARNING: DTL registration of cpu %d (hw %d) failed "
276 "with %d\n", smp_processor_id(),
277 hard_smp_processor_id(), ret
);
278 get_paca()->lppaca_ptr
->dtl_enable_mask
= 2;
282 #else /* !CONFIG_VIRT_CPU_ACCOUNTING_NATIVE */
283 static inline int alloc_dispatch_logs(void)
287 #endif /* CONFIG_VIRT_CPU_ACCOUNTING_NATIVE */
289 static int alloc_dispatch_log_kmem_cache(void)
291 dtl_cache
= kmem_cache_create("dtl", DISPATCH_LOG_BYTES
,
292 DISPATCH_LOG_BYTES
, 0, NULL
);
294 pr_warn("Failed to create dispatch trace log buffer cache\n");
295 pr_warn("Stolen time statistics will be unreliable\n");
299 return alloc_dispatch_logs();
301 machine_early_initcall(pseries
, alloc_dispatch_log_kmem_cache
);
303 static void pseries_lpar_idle(void)
306 * Default handler to go into low thread priority and possibly
307 * low power mode by ceding processor to hypervisor
310 /* Indicate to hypervisor that we are idle. */
311 get_lppaca()->idle
= 1;
314 * Yield the processor to the hypervisor. We return if
315 * an external interrupt occurs (which are driven prior
316 * to returning here) or if a prod occurs from another
317 * processor. When returning here, external interrupts
322 get_lppaca()->idle
= 0;
326 * Enable relocation on during exceptions. This has partition wide scope and
327 * may take a while to complete, if it takes longer than one second we will
328 * just give up rather than wasting any more time on this - if that turns out
329 * to ever be a problem in practice we can move this into a kernel thread to
330 * finish off the process later in boot.
332 void pseries_enable_reloc_on_exc(void)
335 unsigned int delay
, total_delay
= 0;
338 rc
= enable_reloc_on_exceptions();
339 if (!H_IS_LONG_BUSY(rc
)) {
341 pr_info("Relocation on exceptions not"
343 } else if (rc
!= H_SUCCESS
) {
344 pr_warn("Unable to enable relocation"
345 " on exceptions: %ld\n", rc
);
350 delay
= get_longbusy_msecs(rc
);
351 total_delay
+= delay
;
352 if (total_delay
> 1000) {
353 pr_warn("Warning: Giving up waiting to enable "
354 "relocation on exceptions (%u msec)!\n",
362 EXPORT_SYMBOL(pseries_enable_reloc_on_exc
);
364 void pseries_disable_reloc_on_exc(void)
369 rc
= disable_reloc_on_exceptions();
370 if (!H_IS_LONG_BUSY(rc
))
372 mdelay(get_longbusy_msecs(rc
));
375 pr_warning("Warning: Failed to disable relocation on "
376 "exceptions: %ld\n", rc
);
378 EXPORT_SYMBOL(pseries_disable_reloc_on_exc
);
380 #ifdef CONFIG_KEXEC_CORE
381 static void pSeries_machine_kexec(struct kimage
*image
)
383 if (firmware_has_feature(FW_FEATURE_SET_MODE
))
384 pseries_disable_reloc_on_exc();
386 default_machine_kexec(image
);
390 #ifdef __LITTLE_ENDIAN__
391 void pseries_big_endian_exceptions(void)
396 rc
= enable_big_endian_exceptions();
397 if (!H_IS_LONG_BUSY(rc
))
399 mdelay(get_longbusy_msecs(rc
));
403 * At this point it is unlikely panic() will get anything
404 * out to the user, since this is called very late in kexec
405 * but at least this will stop us from continuing on further
406 * and creating an even more difficult to debug situation.
408 * There is a known problem when kdump'ing, if cpus are offline
409 * the above call will fail. Rather than panicking again, keep
410 * going and hope the kdump kernel is also little endian, which
413 if (rc
&& !kdump_in_progress())
414 panic("Could not enable big endian exceptions");
417 void pseries_little_endian_exceptions(void)
422 rc
= enable_little_endian_exceptions();
423 if (!H_IS_LONG_BUSY(rc
))
425 mdelay(get_longbusy_msecs(rc
));
428 ppc_md
.progress("H_SET_MODE LE exception fail", 0);
429 panic("Could not enable little endian exceptions");
434 static void __init
find_and_init_phbs(void)
436 struct device_node
*node
;
437 struct pci_controller
*phb
;
438 struct device_node
*root
= of_find_node_by_path("/");
440 for_each_child_of_node(root
, node
) {
441 if (node
->type
== NULL
|| (strcmp(node
->type
, "pci") != 0 &&
442 strcmp(node
->type
, "pciex") != 0))
445 phb
= pcibios_alloc_controller(node
);
449 pci_process_bridge_OF_ranges(phb
, node
, 0);
450 isa_bridge_find_early(phb
);
451 phb
->controller_ops
= pseries_pci_controller_ops
;
457 * PCI_PROBE_ONLY and PCI_REASSIGN_ALL_BUS can be set via properties
460 of_pci_check_probe_only();
463 static void init_cpu_char_feature_flags(struct h_cpu_char_result
*result
)
465 if (result
->character
& H_CPU_CHAR_SPEC_BAR_ORI31
)
466 security_ftr_set(SEC_FTR_SPEC_BAR_ORI31
);
468 if (result
->character
& H_CPU_CHAR_BCCTRL_SERIALISED
)
469 security_ftr_set(SEC_FTR_BCCTRL_SERIALISED
);
471 if (result
->character
& H_CPU_CHAR_L1D_FLUSH_ORI30
)
472 security_ftr_set(SEC_FTR_L1D_FLUSH_ORI30
);
474 if (result
->character
& H_CPU_CHAR_L1D_FLUSH_TRIG2
)
475 security_ftr_set(SEC_FTR_L1D_FLUSH_TRIG2
);
477 if (result
->character
& H_CPU_CHAR_L1D_THREAD_PRIV
)
478 security_ftr_set(SEC_FTR_L1D_THREAD_PRIV
);
480 if (result
->character
& H_CPU_CHAR_COUNT_CACHE_DISABLED
)
481 security_ftr_set(SEC_FTR_COUNT_CACHE_DISABLED
);
484 * The features below are enabled by default, so we instead look to see
485 * if firmware has *disabled* them, and clear them if so.
487 if (!(result
->behaviour
& H_CPU_BEHAV_FAVOUR_SECURITY
))
488 security_ftr_clear(SEC_FTR_FAVOUR_SECURITY
);
490 if (!(result
->behaviour
& H_CPU_BEHAV_L1D_FLUSH_PR
))
491 security_ftr_clear(SEC_FTR_L1D_FLUSH_PR
);
493 if (!(result
->behaviour
& H_CPU_BEHAV_BNDS_CHK_SPEC_BAR
))
494 security_ftr_clear(SEC_FTR_BNDS_CHK_SPEC_BAR
);
497 void pseries_setup_rfi_flush(void)
499 struct h_cpu_char_result result
;
500 enum l1d_flush_type types
;
504 rc
= plpar_get_cpu_characteristics(&result
);
506 init_cpu_char_feature_flags(&result
);
509 * We're the guest so this doesn't apply to us, clear it to simplify
510 * handling of it elsewhere.
512 security_ftr_clear(SEC_FTR_L1D_FLUSH_HV
);
514 types
= L1D_FLUSH_FALLBACK
;
516 if (security_ftr_enabled(SEC_FTR_L1D_FLUSH_TRIG2
))
517 types
|= L1D_FLUSH_MTTRIG
;
519 if (security_ftr_enabled(SEC_FTR_L1D_FLUSH_ORI30
))
520 types
|= L1D_FLUSH_ORI
;
522 enable
= security_ftr_enabled(SEC_FTR_FAVOUR_SECURITY
) && \
523 security_ftr_enabled(SEC_FTR_L1D_FLUSH_PR
);
525 setup_rfi_flush(types
, enable
);
528 static void __init
pSeries_setup_arch(void)
530 set_arch_panic_timeout(10, ARCH_PANIC_TIMEOUT
);
532 /* Discover PIC type and setup ppc_md accordingly */
536 /* openpic global configuration register (64-bit format). */
537 /* openpic Interrupt Source Unit pointer (64-bit format). */
538 /* python0 facility area (mmio) (64-bit format) REAL address. */
540 /* init to some ~sane value until calibrate_delay() runs */
541 loops_per_jiffy
= 50000000;
545 pseries_setup_rfi_flush();
548 /* By default, only probe PCI (can be overridden by rtas_pci) */
549 pci_add_flags(PCI_PROBE_ONLY
);
551 /* Find and initialize PCI host bridges */
552 init_pci_config_tokens();
553 find_and_init_phbs();
554 of_reconfig_notifier_register(&pci_dn_reconfig_nb
);
556 pSeries_nvram_init();
558 if (firmware_has_feature(FW_FEATURE_LPAR
)) {
559 vpa_init(boot_cpuid
);
560 ppc_md
.power_save
= pseries_lpar_idle
;
561 ppc_md
.enable_pmcs
= pseries_lpar_enable_pmcs
;
563 /* No special idle routine */
564 ppc_md
.enable_pmcs
= power4_enable_pmcs
;
567 ppc_md
.pcibios_root_bridge_prepare
= pseries_root_bridge_prepare
;
570 static int __init
pSeries_init_panel(void)
572 /* Manually leave the kernel version on the panel. */
573 #ifdef __BIG_ENDIAN__
574 ppc_md
.progress("Linux ppc64\n", 0);
576 ppc_md
.progress("Linux ppc64le\n", 0);
578 ppc_md
.progress(init_utsname()->version
, 0);
582 machine_arch_initcall(pseries
, pSeries_init_panel
);
584 static int pseries_set_dabr(unsigned long dabr
, unsigned long dabrx
)
586 return plpar_hcall_norets(H_SET_DABR
, dabr
);
589 static int pseries_set_xdabr(unsigned long dabr
, unsigned long dabrx
)
591 /* Have to set at least one bit in the DABRX according to PAPR */
592 if (dabrx
== 0 && dabr
== 0)
594 /* PAPR says we can only set kernel and user bits */
595 dabrx
&= DABRX_KERNEL
| DABRX_USER
;
597 return plpar_hcall_norets(H_SET_XDABR
, dabr
, dabrx
);
600 static int pseries_set_dawr(unsigned long dawr
, unsigned long dawrx
)
602 /* PAPR says we can't set HYP */
605 return plapr_set_watchpoint0(dawr
, dawrx
);
608 #define CMO_CHARACTERISTICS_TOKEN 44
609 #define CMO_MAXLENGTH 1026
611 void pSeries_coalesce_init(void)
613 struct hvcall_mpp_x_data mpp_x_data
;
615 if (firmware_has_feature(FW_FEATURE_CMO
) && !h_get_mpp_x(&mpp_x_data
))
616 powerpc_firmware_features
|= FW_FEATURE_XCMO
;
618 powerpc_firmware_features
&= ~FW_FEATURE_XCMO
;
622 * fw_cmo_feature_init - FW_FEATURE_CMO is not stored in ibm,hypertas-functions,
623 * handle that here. (Stolen from parse_system_parameter_string)
625 static void pSeries_cmo_feature_init(void)
627 char *ptr
, *key
, *value
, *end
;
629 int page_order
= IOMMU_PAGE_SHIFT_4K
;
631 pr_debug(" -> fw_cmo_feature_init()\n");
632 spin_lock(&rtas_data_buf_lock
);
633 memset(rtas_data_buf
, 0, RTAS_DATA_BUF_SIZE
);
634 call_status
= rtas_call(rtas_token("ibm,get-system-parameter"), 3, 1,
636 CMO_CHARACTERISTICS_TOKEN
,
640 if (call_status
!= 0) {
641 spin_unlock(&rtas_data_buf_lock
);
642 pr_debug("CMO not available\n");
643 pr_debug(" <- fw_cmo_feature_init()\n");
647 end
= rtas_data_buf
+ CMO_MAXLENGTH
- 2;
648 ptr
= rtas_data_buf
+ 2; /* step over strlen value */
651 while (*ptr
&& (ptr
<= end
)) {
652 /* Separate the key and value by replacing '=' with '\0' and
653 * point the value at the string after the '='
658 } else if (ptr
[0] == '\0' || ptr
[0] == ',') {
659 /* Terminate the string containing the key/value pair */
663 pr_debug("Malformed key/value pair\n");
664 /* Never found a '=', end processing */
668 if (0 == strcmp(key
, "CMOPageSize"))
669 page_order
= simple_strtol(value
, NULL
, 10);
670 else if (0 == strcmp(key
, "PrPSP"))
671 CMO_PrPSP
= simple_strtol(value
, NULL
, 10);
672 else if (0 == strcmp(key
, "SecPSP"))
673 CMO_SecPSP
= simple_strtol(value
, NULL
, 10);
674 value
= key
= ptr
+ 1;
679 /* Page size is returned as the power of 2 of the page size,
680 * convert to the page size in bytes before returning
682 CMO_PageSize
= 1 << page_order
;
683 pr_debug("CMO_PageSize = %lu\n", CMO_PageSize
);
685 if (CMO_PrPSP
!= -1 || CMO_SecPSP
!= -1) {
686 pr_info("CMO enabled\n");
687 pr_debug("CMO enabled, PrPSP=%d, SecPSP=%d\n", CMO_PrPSP
,
689 powerpc_firmware_features
|= FW_FEATURE_CMO
;
690 pSeries_coalesce_init();
692 pr_debug("CMO not enabled, PrPSP=%d, SecPSP=%d\n", CMO_PrPSP
,
694 spin_unlock(&rtas_data_buf_lock
);
695 pr_debug(" <- fw_cmo_feature_init()\n");
699 * Early initialization. Relocation is on but do not reference unbolted pages
701 static void __init
pseries_init(void)
703 pr_debug(" -> pseries_init()\n");
705 #ifdef CONFIG_HVC_CONSOLE
706 if (firmware_has_feature(FW_FEATURE_LPAR
))
707 hvc_vio_init_early();
709 if (firmware_has_feature(FW_FEATURE_XDABR
))
710 ppc_md
.set_dabr
= pseries_set_xdabr
;
711 else if (firmware_has_feature(FW_FEATURE_DABR
))
712 ppc_md
.set_dabr
= pseries_set_dabr
;
714 if (firmware_has_feature(FW_FEATURE_SET_MODE
))
715 ppc_md
.set_dawr
= pseries_set_dawr
;
717 pSeries_cmo_feature_init();
718 iommu_init_early_pSeries();
720 pr_debug(" <- pseries_init()\n");
724 * pseries_power_off - tell firmware about how to power off the system.
726 * This function calls either the power-off rtas token in normal cases
727 * or the ibm,power-off-ups token (if present & requested) in case of
728 * a power failure. If power-off token is used, power on will only be
729 * possible with power button press. If ibm,power-off-ups token is used
730 * it will allow auto poweron after power is restored.
732 static void pseries_power_off(void)
735 int rtas_poweroff_ups_token
= rtas_token("ibm,power-off-ups");
737 if (rtas_flash_term_hook
)
738 rtas_flash_term_hook(SYS_POWER_OFF
);
740 if (rtas_poweron_auto
== 0 ||
741 rtas_poweroff_ups_token
== RTAS_UNKNOWN_SERVICE
) {
742 rc
= rtas_call(rtas_token("power-off"), 2, 1, NULL
, -1, -1);
743 printk(KERN_INFO
"RTAS power-off returned %d\n", rc
);
745 rc
= rtas_call(rtas_poweroff_ups_token
, 0, 1, NULL
);
746 printk(KERN_INFO
"RTAS ibm,power-off-ups returned %d\n", rc
);
751 static int __init
pSeries_probe(void)
753 const char *dtype
= of_get_property(of_root
, "device_type", NULL
);
757 if (strcmp(dtype
, "chrp"))
760 /* Cell blades firmware claims to be chrp while it's not. Until this
761 * is fixed, we need to avoid those here.
763 if (of_machine_is_compatible("IBM,CPBW-1.0") ||
764 of_machine_is_compatible("IBM,CBEA"))
767 pm_power_off
= pseries_power_off
;
769 pr_debug("Machine is%s LPAR !\n",
770 (powerpc_firmware_features
& FW_FEATURE_LPAR
) ? "" : " not");
777 static int pSeries_pci_probe_mode(struct pci_bus
*bus
)
779 if (firmware_has_feature(FW_FEATURE_LPAR
))
780 return PCI_PROBE_DEVTREE
;
781 return PCI_PROBE_NORMAL
;
784 struct pci_controller_ops pseries_pci_controller_ops
= {
785 .probe_mode
= pSeries_pci_probe_mode
,
788 define_machine(pseries
) {
790 .probe
= pSeries_probe
,
791 .setup_arch
= pSeries_setup_arch
,
792 .init_IRQ
= pseries_init_irq
,
793 .show_cpuinfo
= pSeries_show_cpuinfo
,
794 .log_error
= pSeries_log_error
,
795 .pcibios_fixup
= pSeries_final_fixup
,
796 .restart
= rtas_restart
,
798 .panic
= rtas_os_term
,
799 .get_boot_time
= rtas_get_boot_time
,
800 .get_rtc_time
= rtas_get_rtc_time
,
801 .set_rtc_time
= rtas_set_rtc_time
,
802 .calibrate_decr
= generic_calibrate_decr
,
803 .progress
= rtas_progress
,
804 .system_reset_exception
= pSeries_system_reset_exception
,
805 .machine_check_exception
= pSeries_machine_check_exception
,
806 #ifdef CONFIG_KEXEC_CORE
807 .machine_kexec
= pSeries_machine_kexec
,
808 .kexec_cpu_down
= pseries_kexec_cpu_down
,
810 #ifdef CONFIG_MEMORY_HOTPLUG_SPARSE
811 .memory_block_size
= pseries_memory_block_size
,