155190f88SBenjamin Herrenschmidt /* 255190f88SBenjamin Herrenschmidt * PowerNV setup code. 355190f88SBenjamin Herrenschmidt * 455190f88SBenjamin Herrenschmidt * Copyright 2011 IBM Corp. 555190f88SBenjamin Herrenschmidt * 655190f88SBenjamin Herrenschmidt * This program is free software; you can redistribute it and/or 755190f88SBenjamin Herrenschmidt * modify it under the terms of the GNU General Public License 855190f88SBenjamin Herrenschmidt * as published by the Free Software Foundation; either version 955190f88SBenjamin Herrenschmidt * 2 of the License, or (at your option) any later version. 1055190f88SBenjamin Herrenschmidt */ 1155190f88SBenjamin Herrenschmidt 1255190f88SBenjamin Herrenschmidt #undef DEBUG 1355190f88SBenjamin Herrenschmidt 1455190f88SBenjamin Herrenschmidt #include <linux/cpu.h> 1555190f88SBenjamin Herrenschmidt #include <linux/errno.h> 1655190f88SBenjamin Herrenschmidt #include <linux/sched.h> 1755190f88SBenjamin Herrenschmidt #include <linux/kernel.h> 1855190f88SBenjamin Herrenschmidt #include <linux/tty.h> 1955190f88SBenjamin Herrenschmidt #include <linux/reboot.h> 2055190f88SBenjamin Herrenschmidt #include <linux/init.h> 2155190f88SBenjamin Herrenschmidt #include <linux/console.h> 2255190f88SBenjamin Herrenschmidt #include <linux/delay.h> 2355190f88SBenjamin Herrenschmidt #include <linux/irq.h> 2455190f88SBenjamin Herrenschmidt #include <linux/seq_file.h> 2555190f88SBenjamin Herrenschmidt #include <linux/of.h> 2626a2056eSRob Herring #include <linux/of_fdt.h> 2755190f88SBenjamin Herrenschmidt #include <linux/interrupt.h> 2855190f88SBenjamin Herrenschmidt #include <linux/bug.h> 29cd15b048SBenjamin Herrenschmidt #include <linux/pci.h> 30fb5153d0SGautham R. Shenoy #include <linux/cpufreq.h> 3155190f88SBenjamin Herrenschmidt 3255190f88SBenjamin Herrenschmidt #include <asm/machdep.h> 3355190f88SBenjamin Herrenschmidt #include <asm/firmware.h> 3455190f88SBenjamin Herrenschmidt #include <asm/xics.h> 35243e2511SBenjamin Herrenschmidt #include <asm/xive.h> 36daea1175SBenjamin Herrenschmidt #include <asm/opal.h> 3713906db6SBenjamin Herrenschmidt #include <asm/kexec.h> 38b2a80878SShreyas B. Prabhu #include <asm/smp.h> 3955190f88SBenjamin Herrenschmidt 4055190f88SBenjamin Herrenschmidt #include "powernv.h" 4155190f88SBenjamin Herrenschmidt 4255190f88SBenjamin Herrenschmidt static void __init pnv_setup_arch(void) 4355190f88SBenjamin Herrenschmidt { 444817fc32SAnton Blanchard set_arch_panic_timeout(10, ARCH_PANIC_TIMEOUT); 454817fc32SAnton Blanchard 4655190f88SBenjamin Herrenschmidt /* Initialize SMP */ 4755190f88SBenjamin Herrenschmidt pnv_smp_init(); 4855190f88SBenjamin Herrenschmidt 4961305a96SBenjamin Herrenschmidt /* Setup PCI */ 5061305a96SBenjamin Herrenschmidt pnv_pci_init(); 5155190f88SBenjamin Herrenschmidt 52628daa8dSBenjamin Herrenschmidt /* Setup RTC and NVRAM callbacks */ 53628daa8dSBenjamin Herrenschmidt if (firmware_has_feature(FW_FEATURE_OPAL)) 54628daa8dSBenjamin Herrenschmidt opal_nvram_init(); 5555190f88SBenjamin Herrenschmidt 5655190f88SBenjamin Herrenschmidt /* Enable NAP mode */ 5755190f88SBenjamin Herrenschmidt powersave_nap = 1; 5855190f88SBenjamin Herrenschmidt 5955190f88SBenjamin Herrenschmidt /* XXX PMCS */ 6055190f88SBenjamin Herrenschmidt } 6155190f88SBenjamin Herrenschmidt 62f2d57694SBenjamin Herrenschmidt static void __init pnv_init(void) 6355190f88SBenjamin Herrenschmidt { 643fafe9c2SBenjamin Herrenschmidt /* 653fafe9c2SBenjamin Herrenschmidt * Initialize the LPC bus now so that legacy serial 663fafe9c2SBenjamin Herrenschmidt * ports can be found on it 673fafe9c2SBenjamin Herrenschmidt */ 683fafe9c2SBenjamin Herrenschmidt opal_lpc_init(); 693fafe9c2SBenjamin Herrenschmidt 70daea1175SBenjamin Herrenschmidt #ifdef CONFIG_HVC_OPAL 71daea1175SBenjamin Herrenschmidt if (firmware_has_feature(FW_FEATURE_OPAL)) 72daea1175SBenjamin Herrenschmidt hvc_opal_init_early(); 73daea1175SBenjamin Herrenschmidt else 74daea1175SBenjamin Herrenschmidt #endif 75daea1175SBenjamin Herrenschmidt add_preferred_console("hvc", 0, NULL); 7655190f88SBenjamin Herrenschmidt } 7755190f88SBenjamin Herrenschmidt 7855190f88SBenjamin Herrenschmidt static void __init pnv_init_IRQ(void) 7955190f88SBenjamin Herrenschmidt { 80243e2511SBenjamin Herrenschmidt /* Try using a XIVE if available, otherwise use a XICS */ 81243e2511SBenjamin Herrenschmidt if (!xive_native_init()) 8255190f88SBenjamin Herrenschmidt xics_init(); 8355190f88SBenjamin Herrenschmidt 8455190f88SBenjamin Herrenschmidt WARN_ON(!ppc_md.get_irq); 8555190f88SBenjamin Herrenschmidt } 8655190f88SBenjamin Herrenschmidt 8755190f88SBenjamin Herrenschmidt static void pnv_show_cpuinfo(struct seq_file *m) 8855190f88SBenjamin Herrenschmidt { 8955190f88SBenjamin Herrenschmidt struct device_node *root; 9055190f88SBenjamin Herrenschmidt const char *model = ""; 9155190f88SBenjamin Herrenschmidt 9255190f88SBenjamin Herrenschmidt root = of_find_node_by_path("/"); 9355190f88SBenjamin Herrenschmidt if (root) 9455190f88SBenjamin Herrenschmidt model = of_get_property(root, "model", NULL); 9555190f88SBenjamin Herrenschmidt seq_printf(m, "machine\t\t: PowerNV %s\n", model); 96e4d54f71SStewart Smith if (firmware_has_feature(FW_FEATURE_OPAL)) 97e4d54f71SStewart Smith seq_printf(m, "firmware\t: OPAL\n"); 9814a43e69SBenjamin Herrenschmidt else 9914a43e69SBenjamin Herrenschmidt seq_printf(m, "firmware\t: BML\n"); 10055190f88SBenjamin Herrenschmidt of_node_put(root); 1013a4c2601SAneesh Kumar K.V if (radix_enabled()) 1023a4c2601SAneesh Kumar K.V seq_printf(m, "MMU\t\t: Radix\n"); 1033a4c2601SAneesh Kumar K.V else 1043a4c2601SAneesh Kumar K.V seq_printf(m, "MMU\t\t: Hash\n"); 10555190f88SBenjamin Herrenschmidt } 10655190f88SBenjamin Herrenschmidt 1072196c6f1SVasant Hegde static void pnv_prepare_going_down(void) 1082196c6f1SVasant Hegde { 1092196c6f1SVasant Hegde /* 1102196c6f1SVasant Hegde * Disable all notifiers from OPAL, we can't 1112196c6f1SVasant Hegde * service interrupts anymore anyway 1122196c6f1SVasant Hegde */ 11381f2f7ceSAlistair Popple opal_event_shutdown(); 1142196c6f1SVasant Hegde 1152196c6f1SVasant Hegde /* Soft disable interrupts */ 1162196c6f1SVasant Hegde local_irq_disable(); 1172196c6f1SVasant Hegde 1182196c6f1SVasant Hegde /* 1192196c6f1SVasant Hegde * Return secondary CPUs to firwmare if a flash update 1202196c6f1SVasant Hegde * is pending otherwise we will get all sort of error 1212196c6f1SVasant Hegde * messages about CPU being stuck etc.. This will also 1222196c6f1SVasant Hegde * have the side effect of hard disabling interrupts so 1232196c6f1SVasant Hegde * past this point, the kernel is effectively dead. 1242196c6f1SVasant Hegde */ 1252196c6f1SVasant Hegde opal_flash_term_callback(); 1262196c6f1SVasant Hegde } 1272196c6f1SVasant Hegde 128ec27329fSBenjamin Herrenschmidt static void __noreturn pnv_restart(char *cmd) 12955190f88SBenjamin Herrenschmidt { 130ec27329fSBenjamin Herrenschmidt long rc = OPAL_BUSY; 131ec27329fSBenjamin Herrenschmidt 1322196c6f1SVasant Hegde pnv_prepare_going_down(); 133e8e71fa4SGavin Shan 134ec27329fSBenjamin Herrenschmidt while (rc == OPAL_BUSY || rc == OPAL_BUSY_EVENT) { 135ec27329fSBenjamin Herrenschmidt rc = opal_cec_reboot(); 136ec27329fSBenjamin Herrenschmidt if (rc == OPAL_BUSY_EVENT) 137ec27329fSBenjamin Herrenschmidt opal_poll_events(NULL); 138ec27329fSBenjamin Herrenschmidt else 139ec27329fSBenjamin Herrenschmidt mdelay(10); 140ec27329fSBenjamin Herrenschmidt } 141ec27329fSBenjamin Herrenschmidt for (;;) 142ec27329fSBenjamin Herrenschmidt opal_poll_events(NULL); 14355190f88SBenjamin Herrenschmidt } 14455190f88SBenjamin Herrenschmidt 145ec27329fSBenjamin Herrenschmidt static void __noreturn pnv_power_off(void) 14655190f88SBenjamin Herrenschmidt { 147ec27329fSBenjamin Herrenschmidt long rc = OPAL_BUSY; 148ec27329fSBenjamin Herrenschmidt 1492196c6f1SVasant Hegde pnv_prepare_going_down(); 150e8e71fa4SGavin Shan 151ec27329fSBenjamin Herrenschmidt while (rc == OPAL_BUSY || rc == OPAL_BUSY_EVENT) { 152ec27329fSBenjamin Herrenschmidt rc = opal_cec_power_down(0); 153ec27329fSBenjamin Herrenschmidt if (rc == OPAL_BUSY_EVENT) 154ec27329fSBenjamin Herrenschmidt opal_poll_events(NULL); 155ec27329fSBenjamin Herrenschmidt else 156ec27329fSBenjamin Herrenschmidt mdelay(10); 157ec27329fSBenjamin Herrenschmidt } 158ec27329fSBenjamin Herrenschmidt for (;;) 159ec27329fSBenjamin Herrenschmidt opal_poll_events(NULL); 16055190f88SBenjamin Herrenschmidt } 16155190f88SBenjamin Herrenschmidt 162ec27329fSBenjamin Herrenschmidt static void __noreturn pnv_halt(void) 16355190f88SBenjamin Herrenschmidt { 164ec27329fSBenjamin Herrenschmidt pnv_power_off(); 16555190f88SBenjamin Herrenschmidt } 16655190f88SBenjamin Herrenschmidt 16755190f88SBenjamin Herrenschmidt static void pnv_progress(char *s, unsigned short hex) 16855190f88SBenjamin Herrenschmidt { 16955190f88SBenjamin Herrenschmidt } 17055190f88SBenjamin Herrenschmidt 17173ed148aSBenjamin Herrenschmidt static void pnv_shutdown(void) 17273ed148aSBenjamin Herrenschmidt { 17373ed148aSBenjamin Herrenschmidt /* Let the PCI code clear up IODA tables */ 17473ed148aSBenjamin Herrenschmidt pnv_pci_shutdown(); 17573ed148aSBenjamin Herrenschmidt 176f7d98d18SVasant Hegde /* 177f7d98d18SVasant Hegde * Stop OPAL activity: Unregister all OPAL interrupts so they 178f7d98d18SVasant Hegde * don't fire up while we kexec and make sure all potentially 179f7d98d18SVasant Hegde * DMA'ing ops are complete (such as dump retrieval). 18073ed148aSBenjamin Herrenschmidt */ 18173ed148aSBenjamin Herrenschmidt opal_shutdown(); 18273ed148aSBenjamin Herrenschmidt } 18373ed148aSBenjamin Herrenschmidt 184da665885SThiago Jung Bauermann #ifdef CONFIG_KEXEC_CORE 185298b34d7SBenjamin Herrenschmidt static void pnv_kexec_wait_secondaries_down(void) 186298b34d7SBenjamin Herrenschmidt { 187298b34d7SBenjamin Herrenschmidt int my_cpu, i, notified = -1; 188298b34d7SBenjamin Herrenschmidt 189298b34d7SBenjamin Herrenschmidt my_cpu = get_cpu(); 190298b34d7SBenjamin Herrenschmidt 191298b34d7SBenjamin Herrenschmidt for_each_online_cpu(i) { 192298b34d7SBenjamin Herrenschmidt uint8_t status; 1931b70386cSSamuel Mendoza-Jonas int64_t rc, timeout = 1000; 194298b34d7SBenjamin Herrenschmidt 195298b34d7SBenjamin Herrenschmidt if (i == my_cpu) 196298b34d7SBenjamin Herrenschmidt continue; 197298b34d7SBenjamin Herrenschmidt 198298b34d7SBenjamin Herrenschmidt for (;;) { 199298b34d7SBenjamin Herrenschmidt rc = opal_query_cpu_status(get_hard_smp_processor_id(i), 200298b34d7SBenjamin Herrenschmidt &status); 201298b34d7SBenjamin Herrenschmidt if (rc != OPAL_SUCCESS || status != OPAL_THREAD_STARTED) 202298b34d7SBenjamin Herrenschmidt break; 203298b34d7SBenjamin Herrenschmidt barrier(); 204298b34d7SBenjamin Herrenschmidt if (i != notified) { 205298b34d7SBenjamin Herrenschmidt printk(KERN_INFO "kexec: waiting for cpu %d " 206298b34d7SBenjamin Herrenschmidt "(physical %d) to enter OPAL\n", 207298b34d7SBenjamin Herrenschmidt i, paca[i].hw_cpu_id); 208298b34d7SBenjamin Herrenschmidt notified = i; 209298b34d7SBenjamin Herrenschmidt } 2101b70386cSSamuel Mendoza-Jonas 2111b70386cSSamuel Mendoza-Jonas /* 2121b70386cSSamuel Mendoza-Jonas * On crash secondaries might be unreachable or hung, 2131b70386cSSamuel Mendoza-Jonas * so timeout if we've waited too long 2141b70386cSSamuel Mendoza-Jonas * */ 2151b70386cSSamuel Mendoza-Jonas mdelay(1); 2161b70386cSSamuel Mendoza-Jonas if (timeout-- == 0) { 2171b70386cSSamuel Mendoza-Jonas printk(KERN_ERR "kexec: timed out waiting for " 2181b70386cSSamuel Mendoza-Jonas "cpu %d (physical %d) to enter OPAL\n", 2191b70386cSSamuel Mendoza-Jonas i, paca[i].hw_cpu_id); 2201b70386cSSamuel Mendoza-Jonas break; 2211b70386cSSamuel Mendoza-Jonas } 222298b34d7SBenjamin Herrenschmidt } 223298b34d7SBenjamin Herrenschmidt } 224298b34d7SBenjamin Herrenschmidt } 225298b34d7SBenjamin Herrenschmidt 22655190f88SBenjamin Herrenschmidt static void pnv_kexec_cpu_down(int crash_shutdown, int secondary) 22755190f88SBenjamin Herrenschmidt { 2281c0eaf0fSBenjamin Herrenschmidt u64 reinit_flags; 2291c0eaf0fSBenjamin Herrenschmidt 230243e2511SBenjamin Herrenschmidt if (xive_enabled()) 231243e2511SBenjamin Herrenschmidt xive_kexec_teardown_cpu(secondary); 232243e2511SBenjamin Herrenschmidt else 23355190f88SBenjamin Herrenschmidt xics_kexec_teardown_cpu(secondary); 23413906db6SBenjamin Herrenschmidt 235e4d54f71SStewart Smith /* On OPAL, we return all CPUs to firmware */ 236e4d54f71SStewart Smith if (!firmware_has_feature(FW_FEATURE_OPAL)) 237298b34d7SBenjamin Herrenschmidt return; 238298b34d7SBenjamin Herrenschmidt 239298b34d7SBenjamin Herrenschmidt if (secondary) { 24013906db6SBenjamin Herrenschmidt /* Return secondary CPUs to firmware on OPAL v3 */ 24113906db6SBenjamin Herrenschmidt mb(); 24213906db6SBenjamin Herrenschmidt get_paca()->kexec_state = KEXEC_STATE_REAL_MODE; 24313906db6SBenjamin Herrenschmidt mb(); 24413906db6SBenjamin Herrenschmidt 24513906db6SBenjamin Herrenschmidt /* Return the CPU to OPAL */ 24613906db6SBenjamin Herrenschmidt opal_return_cpu(); 247298b34d7SBenjamin Herrenschmidt } else { 248298b34d7SBenjamin Herrenschmidt /* Primary waits for the secondaries to have reached OPAL */ 249298b34d7SBenjamin Herrenschmidt pnv_kexec_wait_secondaries_down(); 250e72bb8a5SSamuel Mendoza-Jonas 251243e2511SBenjamin Herrenschmidt /* Switch XIVE back to emulation mode */ 252243e2511SBenjamin Herrenschmidt if (xive_enabled()) 253243e2511SBenjamin Herrenschmidt xive_shutdown(); 254243e2511SBenjamin Herrenschmidt 255e72bb8a5SSamuel Mendoza-Jonas /* 256e72bb8a5SSamuel Mendoza-Jonas * We might be running as little-endian - now that interrupts 257e72bb8a5SSamuel Mendoza-Jonas * are disabled, reset the HILE bit to big-endian so we don't 258e72bb8a5SSamuel Mendoza-Jonas * take interrupts in the wrong endian later 2591c0eaf0fSBenjamin Herrenschmidt * 2601c0eaf0fSBenjamin Herrenschmidt * We reinit to enable both radix and hash on P9 to ensure 2611c0eaf0fSBenjamin Herrenschmidt * the mode used by the next kernel is always supported. 262e72bb8a5SSamuel Mendoza-Jonas */ 2631c0eaf0fSBenjamin Herrenschmidt reinit_flags = OPAL_REINIT_CPUS_HILE_BE; 2641c0eaf0fSBenjamin Herrenschmidt if (cpu_has_feature(CPU_FTR_ARCH_300)) 2651c0eaf0fSBenjamin Herrenschmidt reinit_flags |= OPAL_REINIT_CPUS_MMU_RADIX | 2661c0eaf0fSBenjamin Herrenschmidt OPAL_REINIT_CPUS_MMU_HASH; 2671c0eaf0fSBenjamin Herrenschmidt opal_reinit_cpus(reinit_flags); 26813906db6SBenjamin Herrenschmidt } 26955190f88SBenjamin Herrenschmidt } 270da665885SThiago Jung Bauermann #endif /* CONFIG_KEXEC_CORE */ 27155190f88SBenjamin Herrenschmidt 2726d97d7a2SAnton Blanchard #ifdef CONFIG_MEMORY_HOTPLUG_SPARSE 2736d97d7a2SAnton Blanchard static unsigned long pnv_memory_block_size(void) 2746d97d7a2SAnton Blanchard { 2756d97d7a2SAnton Blanchard return 256UL * 1024 * 1024; 2766d97d7a2SAnton Blanchard } 2776d97d7a2SAnton Blanchard #endif 2786d97d7a2SAnton Blanchard 279628daa8dSBenjamin Herrenschmidt static void __init pnv_setup_machdep_opal(void) 280628daa8dSBenjamin Herrenschmidt { 281628daa8dSBenjamin Herrenschmidt ppc_md.get_boot_time = opal_get_boot_time; 282628daa8dSBenjamin Herrenschmidt ppc_md.restart = pnv_restart; 2839178ba29SAlexander Graf pm_power_off = pnv_power_off; 284628daa8dSBenjamin Herrenschmidt ppc_md.halt = pnv_halt; 285e36d0a2eSNicholas Piggin /* ppc_md.system_reset_exception gets filled in by pnv_smp_init() */ 286ed79ba9eSBenjamin Herrenschmidt ppc_md.machine_check_exception = opal_machine_check; 28755672ecfSMahesh Salgaonkar ppc_md.mce_check_early_recovery = opal_mce_check_early_recovery; 2880869b6fdSMahesh Salgaonkar ppc_md.hmi_exception_early = opal_hmi_exception_early; 2890869b6fdSMahesh Salgaonkar ppc_md.handle_hmi_exception = opal_handle_hmi_exception; 290628daa8dSBenjamin Herrenschmidt } 291628daa8dSBenjamin Herrenschmidt 29255190f88SBenjamin Herrenschmidt static int __init pnv_probe(void) 29355190f88SBenjamin Herrenschmidt { 294406b0b6aSBenjamin Herrenschmidt if (!of_machine_is_compatible("ibm,powernv")) 29555190f88SBenjamin Herrenschmidt return 0; 29655190f88SBenjamin Herrenschmidt 297628daa8dSBenjamin Herrenschmidt if (firmware_has_feature(FW_FEATURE_OPAL)) 298628daa8dSBenjamin Herrenschmidt pnv_setup_machdep_opal(); 299628daa8dSBenjamin Herrenschmidt 30055190f88SBenjamin Herrenschmidt pr_debug("PowerNV detected !\n"); 30155190f88SBenjamin Herrenschmidt 302f2d57694SBenjamin Herrenschmidt pnv_init(); 303f2d57694SBenjamin Herrenschmidt 30455190f88SBenjamin Herrenschmidt return 1; 30555190f88SBenjamin Herrenschmidt } 30655190f88SBenjamin Herrenschmidt 307fb5153d0SGautham R. Shenoy /* 308fb5153d0SGautham R. Shenoy * Returns the cpu frequency for 'cpu' in Hz. This is used by 309fb5153d0SGautham R. Shenoy * /proc/cpuinfo 310fb5153d0SGautham R. Shenoy */ 311e51df2c1SAnton Blanchard static unsigned long pnv_get_proc_freq(unsigned int cpu) 312fb5153d0SGautham R. Shenoy { 313fb5153d0SGautham R. Shenoy unsigned long ret_freq; 314fb5153d0SGautham R. Shenoy 315fb5153d0SGautham R. Shenoy ret_freq = cpufreq_quick_get(cpu) * 1000ul; 316fb5153d0SGautham R. Shenoy 317fb5153d0SGautham R. Shenoy /* 318fb5153d0SGautham R. Shenoy * If the backend cpufreq driver does not exist, 319fb5153d0SGautham R. Shenoy * then fallback to old way of reporting the clockrate. 320fb5153d0SGautham R. Shenoy */ 321fb5153d0SGautham R. Shenoy if (!ret_freq) 322fb5153d0SGautham R. Shenoy ret_freq = ppc_proc_freq; 323fb5153d0SGautham R. Shenoy return ret_freq; 324fb5153d0SGautham R. Shenoy } 325fb5153d0SGautham R. Shenoy 32655190f88SBenjamin Herrenschmidt define_machine(powernv) { 32755190f88SBenjamin Herrenschmidt .name = "PowerNV", 32855190f88SBenjamin Herrenschmidt .probe = pnv_probe, 329628daa8dSBenjamin Herrenschmidt .setup_arch = pnv_setup_arch, 33055190f88SBenjamin Herrenschmidt .init_IRQ = pnv_init_IRQ, 33155190f88SBenjamin Herrenschmidt .show_cpuinfo = pnv_show_cpuinfo, 332fb5153d0SGautham R. Shenoy .get_proc_freq = pnv_get_proc_freq, 33355190f88SBenjamin Herrenschmidt .progress = pnv_progress, 33473ed148aSBenjamin Herrenschmidt .machine_shutdown = pnv_shutdown, 3355593e303SShreyas B. Prabhu .power_save = NULL, 33655190f88SBenjamin Herrenschmidt .calibrate_decr = generic_calibrate_decr, 337da665885SThiago Jung Bauermann #ifdef CONFIG_KEXEC_CORE 33855190f88SBenjamin Herrenschmidt .kexec_cpu_down = pnv_kexec_cpu_down, 33955190f88SBenjamin Herrenschmidt #endif 3406d97d7a2SAnton Blanchard #ifdef CONFIG_MEMORY_HOTPLUG_SPARSE 3416d97d7a2SAnton Blanchard .memory_block_size = pnv_memory_block_size, 3426d97d7a2SAnton Blanchard #endif 34355190f88SBenjamin Herrenschmidt }; 344