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-rw-r--r--arch/ia64/sn/kernel/setup.c786
1 files changed, 0 insertions, 786 deletions
diff --git a/arch/ia64/sn/kernel/setup.c b/arch/ia64/sn/kernel/setup.c
deleted file mode 100644
index e6a5049ef503..000000000000
--- a/arch/ia64/sn/kernel/setup.c
+++ /dev/null
@@ -1,786 +0,0 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 1999,2001-2006 Silicon Graphics, Inc. All rights reserved.
- */
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/kernel.h>
-#include <linux/kdev_t.h>
-#include <linux/string.h>
-#include <linux/screen_info.h>
-#include <linux/console.h>
-#include <linux/timex.h>
-#include <linux/sched.h>
-#include <linux/ioport.h>
-#include <linux/mm.h>
-#include <linux/serial.h>
-#include <linux/irq.h>
-#include <linux/memblock.h>
-#include <linux/mmzone.h>
-#include <linux/interrupt.h>
-#include <linux/acpi.h>
-#include <linux/compiler.h>
-#include <linux/root_dev.h>
-#include <linux/nodemask.h>
-#include <linux/pm.h>
-#include <linux/efi.h>
-
-#include <asm/io.h>
-#include <asm/sal.h>
-#include <asm/machvec.h>
-#include <asm/processor.h>
-#include <asm/vga.h>
-#include <asm/setup.h>
-#include <asm/sn/arch.h>
-#include <asm/sn/addrs.h>
-#include <asm/sn/pda.h>
-#include <asm/sn/nodepda.h>
-#include <asm/sn/sn_cpuid.h>
-#include <asm/sn/simulator.h>
-#include <asm/sn/leds.h>
-#include <asm/sn/bte.h>
-#include <asm/sn/shub_mmr.h>
-#include <asm/sn/clksupport.h>
-#include <asm/sn/sn_sal.h>
-#include <asm/sn/geo.h>
-#include <asm/sn/sn_feature_sets.h>
-#include "xtalk/xwidgetdev.h"
-#include "xtalk/hubdev.h"
-#include <asm/sn/klconfig.h>
-
-
-DEFINE_PER_CPU(struct pda_s, pda_percpu);
-
-#define MAX_PHYS_MEMORY (1UL << IA64_MAX_PHYS_BITS) /* Max physical address supported */
-
-extern void bte_init_node(nodepda_t *, cnodeid_t);
-
-extern void sn_timer_init(void);
-extern unsigned long last_time_offset;
-extern void (*ia64_mark_idle) (int);
-extern void snidle(int);
-
-unsigned long sn_rtc_cycles_per_second;
-EXPORT_SYMBOL(sn_rtc_cycles_per_second);
-
-DEFINE_PER_CPU(struct sn_hub_info_s, __sn_hub_info);
-EXPORT_PER_CPU_SYMBOL(__sn_hub_info);
-
-DEFINE_PER_CPU(short, __sn_cnodeid_to_nasid[MAX_COMPACT_NODES]);
-EXPORT_PER_CPU_SYMBOL(__sn_cnodeid_to_nasid);
-
-DEFINE_PER_CPU(struct nodepda_s *, __sn_nodepda);
-EXPORT_PER_CPU_SYMBOL(__sn_nodepda);
-
-char sn_system_serial_number_string[128];
-EXPORT_SYMBOL(sn_system_serial_number_string);
-u64 sn_partition_serial_number;
-EXPORT_SYMBOL(sn_partition_serial_number);
-u8 sn_partition_id;
-EXPORT_SYMBOL(sn_partition_id);
-u8 sn_system_size;
-EXPORT_SYMBOL(sn_system_size);
-u8 sn_sharing_domain_size;
-EXPORT_SYMBOL(sn_sharing_domain_size);
-u8 sn_coherency_id;
-EXPORT_SYMBOL(sn_coherency_id);
-u8 sn_region_size;
-EXPORT_SYMBOL(sn_region_size);
-int sn_prom_type; /* 0=hardware, 1=medusa/realprom, 2=medusa/fakeprom */
-
-short physical_node_map[MAX_NUMALINK_NODES];
-static unsigned long sn_prom_features[MAX_PROM_FEATURE_SETS];
-
-EXPORT_SYMBOL(physical_node_map);
-
-int num_cnodes;
-
-static void sn_init_pdas(char **);
-static void build_cnode_tables(void);
-
-static nodepda_t *nodepdaindr[MAX_COMPACT_NODES];
-
-/*
- * The format of "screen_info" is strange, and due to early i386-setup
- * code. This is just enough to make the console code think we're on a
- * VGA color display.
- */
-struct screen_info sn_screen_info = {
- .orig_x = 0,
- .orig_y = 0,
- .orig_video_mode = 3,
- .orig_video_cols = 80,
- .orig_video_ega_bx = 3,
- .orig_video_lines = 25,
- .orig_video_isVGA = 1,
- .orig_video_points = 16
-};
-
-/*
- * This routine can only be used during init, since
- * smp_boot_data is an init data structure.
- * We have to use smp_boot_data.cpu_phys_id to find
- * the physical id of the processor because the normal
- * cpu_physical_id() relies on data structures that
- * may not be initialized yet.
- */
-
-static int __init pxm_to_nasid(int pxm)
-{
- int i;
- int nid;
-
- nid = pxm_to_node(pxm);
- for (i = 0; i < num_node_memblks; i++) {
- if (node_memblk[i].nid == nid) {
- return NASID_GET(node_memblk[i].start_paddr);
- }
- }
- return -1;
-}
-
-/**
- * early_sn_setup - early setup routine for SN platforms
- *
- * Sets up an initial console to aid debugging. Intended primarily
- * for bringup. See start_kernel() in init/main.c.
- */
-
-void __init early_sn_setup(void)
-{
- efi_system_table_t *efi_systab;
- efi_config_table_t *config_tables;
- struct ia64_sal_systab *sal_systab;
- struct ia64_sal_desc_entry_point *ep;
- char *p;
- int i, j;
-
- /*
- * Parse enough of the SAL tables to locate the SAL entry point. Since, console
- * IO on SN2 is done via SAL calls, early_printk won't work without this.
- *
- * This code duplicates some of the ACPI table parsing that is in efi.c & sal.c.
- * Any changes to those file may have to be made here as well.
- */
- efi_systab = (efi_system_table_t *) __va(ia64_boot_param->efi_systab);
- config_tables = __va(efi_systab->tables);
- for (i = 0; i < efi_systab->nr_tables; i++) {
- if (efi_guidcmp(config_tables[i].guid, SAL_SYSTEM_TABLE_GUID) ==
- 0) {
- sal_systab = __va(config_tables[i].table);
- p = (char *)(sal_systab + 1);
- for (j = 0; j < sal_systab->entry_count; j++) {
- if (*p == SAL_DESC_ENTRY_POINT) {
- ep = (struct ia64_sal_desc_entry_point
- *)p;
- ia64_sal_handler_init(__va
- (ep->sal_proc),
- __va(ep->gp));
- return;
- }
- p += SAL_DESC_SIZE(*p);
- }
- }
- }
- /* Uh-oh, SAL not available?? */
- printk(KERN_ERR "failed to find SAL entry point\n");
-}
-
-extern int platform_intr_list[];
-static int shub_1_1_found;
-
-/*
- * sn_check_for_wars
- *
- * Set flag for enabling shub specific wars
- */
-
-static inline int is_shub_1_1(int nasid)
-{
- unsigned long id;
- int rev;
-
- if (is_shub2())
- return 0;
- id = REMOTE_HUB_L(nasid, SH1_SHUB_ID);
- rev = (id & SH1_SHUB_ID_REVISION_MASK) >> SH1_SHUB_ID_REVISION_SHFT;
- return rev <= 2;
-}
-
-static void sn_check_for_wars(void)
-{
- int cnode;
-
- if (is_shub2()) {
- /* none yet */
- } else {
- for_each_online_node(cnode) {
- if (is_shub_1_1(cnodeid_to_nasid(cnode)))
- shub_1_1_found = 1;
- }
- }
-}
-
-/*
- * Scan the EFI PCDP table (if it exists) for an acceptable VGA console
- * output device. If one exists, pick it and set sn_legacy_{io,mem} to
- * reflect the bus offsets needed to address it.
- *
- * Since pcdp support in SN is not supported in the 2.4 kernel (or at least
- * the one lbs is based on) just declare the needed structs here.
- *
- * Reference spec http://www.dig64.org/specifications/DIG64_PCDPv20.pdf
- *
- * Returns 0 if no acceptable vga is found, !0 otherwise.
- *
- * Note: This stuff is duped here because Altix requires the PCDP to
- * locate a usable VGA device due to lack of proper ACPI support. Structures
- * could be used from drivers/firmware/pcdp.h, but it was decided that moving
- * this file to a more public location just for Altix use was undesirable.
- */
-
-struct hcdp_uart_desc {
- u8 pad[45];
-};
-
-struct pcdp {
- u8 signature[4]; /* should be 'HCDP' */
- u32 length;
- u8 rev; /* should be >=3 for pcdp, <3 for hcdp */
- u8 sum;
- u8 oem_id[6];
- u64 oem_tableid;
- u32 oem_rev;
- u32 creator_id;
- u32 creator_rev;
- u32 num_type0;
- struct hcdp_uart_desc uart[0]; /* num_type0 of these */
- /* pcdp descriptors follow */
-} __attribute__((packed));
-
-struct pcdp_device_desc {
- u8 type;
- u8 primary;
- u16 length;
- u16 index;
- /* interconnect specific structure follows */
- /* device specific structure follows that */
-} __attribute__((packed));
-
-struct pcdp_interface_pci {
- u8 type; /* 1 == pci */
- u8 reserved;
- u16 length;
- u8 segment;
- u8 bus;
- u8 dev;
- u8 fun;
- u16 devid;
- u16 vendid;
- u32 acpi_interrupt;
- u64 mmio_tra;
- u64 ioport_tra;
- u8 flags;
- u8 translation;
-} __attribute__((packed));
-
-struct pcdp_vga_device {
- u8 num_eas_desc;
- /* ACPI Extended Address Space Desc follows */
-} __attribute__((packed));
-
-/* from pcdp_device_desc.primary */
-#define PCDP_PRIMARY_CONSOLE 0x01
-
-/* from pcdp_device_desc.type */
-#define PCDP_CONSOLE_INOUT 0x0
-#define PCDP_CONSOLE_DEBUG 0x1
-#define PCDP_CONSOLE_OUT 0x2
-#define PCDP_CONSOLE_IN 0x3
-#define PCDP_CONSOLE_TYPE_VGA 0x8
-
-#define PCDP_CONSOLE_VGA (PCDP_CONSOLE_TYPE_VGA | PCDP_CONSOLE_OUT)
-
-/* from pcdp_interface_pci.type */
-#define PCDP_IF_PCI 1
-
-/* from pcdp_interface_pci.translation */
-#define PCDP_PCI_TRANS_IOPORT 0x02
-#define PCDP_PCI_TRANS_MMIO 0x01
-
-#if defined(CONFIG_VT) && defined(CONFIG_VGA_CONSOLE)
-static void
-sn_scan_pcdp(void)
-{
- u8 *bp;
- struct pcdp *pcdp;
- struct pcdp_device_desc device;
- struct pcdp_interface_pci if_pci;
- extern struct efi efi;
-
- if (efi.hcdp == EFI_INVALID_TABLE_ADDR)
- return; /* no hcdp/pcdp table */
-
- pcdp = __va(efi.hcdp);
-
- if (pcdp->rev < 3)
- return; /* only support PCDP (rev >= 3) */
-
- for (bp = (u8 *)&pcdp->uart[pcdp->num_type0];
- bp < (u8 *)pcdp + pcdp->length;
- bp += device.length) {
- memcpy(&device, bp, sizeof(device));
- if (! (device.primary & PCDP_PRIMARY_CONSOLE))
- continue; /* not primary console */
-
- if (device.type != PCDP_CONSOLE_VGA)
- continue; /* not VGA descriptor */
-
- memcpy(&if_pci, bp+sizeof(device), sizeof(if_pci));
- if (if_pci.type != PCDP_IF_PCI)
- continue; /* not PCI interconnect */
-
- if (if_pci.translation & PCDP_PCI_TRANS_IOPORT)
- vga_console_iobase = if_pci.ioport_tra;
-
- if (if_pci.translation & PCDP_PCI_TRANS_MMIO)
- vga_console_membase =
- if_pci.mmio_tra | __IA64_UNCACHED_OFFSET;
-
- break; /* once we find the primary, we're done */
- }
-}
-#endif
-
-static unsigned long sn2_rtc_initial;
-
-/**
- * sn_setup - SN platform setup routine
- * @cmdline_p: kernel command line
- *
- * Handles platform setup for SN machines. This includes determining
- * the RTC frequency (via a SAL call), initializing secondary CPUs, and
- * setting up per-node data areas. The console is also initialized here.
- */
-void __init sn_setup(char **cmdline_p)
-{
- long status, ticks_per_sec, drift;
- u32 version = sn_sal_rev();
- extern void sn_cpu_init(void);
-
- sn2_rtc_initial = rtc_time();
- ia64_sn_plat_set_error_handling_features(); // obsolete
- ia64_sn_set_os_feature(OSF_MCA_SLV_TO_OS_INIT_SLV);
- ia64_sn_set_os_feature(OSF_FEAT_LOG_SBES);
- /*
- * Note: The calls to notify the PROM of ACPI and PCI Segment
- * support must be done prior to acpi_load_tables(), as
- * an ACPI capable PROM will rebuild the DSDT as result
- * of the call.
- */
- ia64_sn_set_os_feature(OSF_PCISEGMENT_ENABLE);
- ia64_sn_set_os_feature(OSF_ACPI_ENABLE);
-
- /* Load the new DSDT and SSDT tables into the global table list. */
- acpi_table_init();
-
-#if defined(CONFIG_VT) && defined(CONFIG_VGA_CONSOLE)
- /*
- * Handle SN vga console.
- *
- * SN systems do not have enough ACPI table information
- * being passed from prom to identify VGA adapters and the legacy
- * addresses to access them. Until that is done, SN systems rely
- * on the PCDP table to identify the primary VGA console if one
- * exists.
- *
- * However, kernel PCDP support is optional, and even if it is built
- * into the kernel, it will not be used if the boot cmdline contains
- * console= directives.
- *
- * So, to work around this mess, we duplicate some of the PCDP code
- * here so that the primary VGA console (as defined by PCDP) will
- * work on SN systems even if a different console (e.g. serial) is
- * selected on the boot line (or CONFIG_EFI_PCDP is off).
- */
-
- if (! vga_console_membase)
- sn_scan_pcdp();
-
- /*
- * Setup legacy IO space.
- * vga_console_iobase maps to PCI IO Space address 0 on the
- * bus containing the VGA console.
- */
- if (vga_console_iobase) {
- io_space[0].mmio_base =
- (unsigned long) ioremap(vga_console_iobase, 0);
- io_space[0].sparse = 0;
- }
-
- if (vga_console_membase) {
- /* usable vga ... make tty0 the preferred default console */
- if (!strstr(*cmdline_p, "console="))
- add_preferred_console("tty", 0, NULL);
- } else {
- printk(KERN_DEBUG "SGI: Disabling VGA console\n");
- if (!strstr(*cmdline_p, "console="))
- add_preferred_console("ttySG", 0, NULL);
-#ifdef CONFIG_DUMMY_CONSOLE
- conswitchp = &dummy_con;
-#else
- conswitchp = NULL;
-#endif /* CONFIG_DUMMY_CONSOLE */
- }
-#endif /* def(CONFIG_VT) && def(CONFIG_VGA_CONSOLE) */
-
- MAX_DMA_ADDRESS = PAGE_OFFSET + MAX_PHYS_MEMORY;
-
- /*
- * Build the tables for managing cnodes.
- */
- build_cnode_tables();
-
- status =
- ia64_sal_freq_base(SAL_FREQ_BASE_REALTIME_CLOCK, &ticks_per_sec,
- &drift);
- if (status != 0 || ticks_per_sec < 100000) {
- printk(KERN_WARNING
- "unable to determine platform RTC clock frequency, guessing.\n");
- /* PROM gives wrong value for clock freq. so guess */
- sn_rtc_cycles_per_second = 1000000000000UL / 30000UL;
- } else
- sn_rtc_cycles_per_second = ticks_per_sec;
-
- platform_intr_list[ACPI_INTERRUPT_CPEI] = IA64_CPE_VECTOR;
-
- printk("SGI SAL version %x.%02x\n", version >> 8, version & 0x00FF);
-
- /*
- * we set the default root device to /dev/hda
- * to make simulation easy
- */
- ROOT_DEV = Root_HDA1;
-
- /*
- * Create the PDAs and NODEPDAs for all the cpus.
- */
- sn_init_pdas(cmdline_p);
-
- ia64_mark_idle = &snidle;
-
- /*
- * For the bootcpu, we do this here. All other cpus will make the
- * call as part of cpu_init in slave cpu initialization.
- */
- sn_cpu_init();
-
-#ifdef CONFIG_SMP
- init_smp_config();
-#endif
- screen_info = sn_screen_info;
-
- sn_timer_init();
-
- /*
- * set pm_power_off to a SAL call to allow
- * sn machines to power off. The SAL call can be replaced
- * by an ACPI interface call when ACPI is fully implemented
- * for sn.
- */
- pm_power_off = ia64_sn_power_down;
- current->thread.flags |= IA64_THREAD_MIGRATION;
-}
-
-/**
- * sn_init_pdas - setup node data areas
- *
- * One time setup for Node Data Area. Called by sn_setup().
- */
-static void __init sn_init_pdas(char **cmdline_p)
-{
- cnodeid_t cnode;
-
- /*
- * Allocate & initialize the nodepda for each node.
- */
- for_each_online_node(cnode) {
- nodepdaindr[cnode] =
- memblock_alloc_node(sizeof(nodepda_t), SMP_CACHE_BYTES,
- cnode);
- if (!nodepdaindr[cnode])
- panic("%s: Failed to allocate %lu bytes align=0x%x nid=%d\n",
- __func__, sizeof(nodepda_t), SMP_CACHE_BYTES,
- cnode);
- memset(nodepdaindr[cnode]->phys_cpuid, -1,
- sizeof(nodepdaindr[cnode]->phys_cpuid));
- spin_lock_init(&nodepdaindr[cnode]->ptc_lock);
- }
-
- /*
- * Allocate & initialize nodepda for TIOs. For now, put them on node 0.
- */
- for (cnode = num_online_nodes(); cnode < num_cnodes; cnode++) {
- nodepdaindr[cnode] =
- memblock_alloc_node(sizeof(nodepda_t), SMP_CACHE_BYTES, 0);
- if (!nodepdaindr[cnode])
- panic("%s: Failed to allocate %lu bytes align=0x%x nid=%d\n",
- __func__, sizeof(nodepda_t), SMP_CACHE_BYTES,
- cnode);
- }
-
-
- /*
- * Now copy the array of nodepda pointers to each nodepda.
- */
- for (cnode = 0; cnode < num_cnodes; cnode++)
- memcpy(nodepdaindr[cnode]->pernode_pdaindr, nodepdaindr,
- sizeof(nodepdaindr));
-
- /*
- * Set up IO related platform-dependent nodepda fields.
- * The following routine actually sets up the hubinfo struct
- * in nodepda.
- */
- for_each_online_node(cnode) {
- bte_init_node(nodepdaindr[cnode], cnode);
- }
-
- /*
- * Initialize the per node hubdev. This includes IO Nodes and
- * headless/memless nodes.
- */
- for (cnode = 0; cnode < num_cnodes; cnode++) {
- hubdev_init_node(nodepdaindr[cnode], cnode);
- }
-}
-
-/**
- * sn_cpu_init - initialize per-cpu data areas
- * @cpuid: cpuid of the caller
- *
- * Called during cpu initialization on each cpu as it starts.
- * Currently, initializes the per-cpu data area for SNIA.
- * Also sets up a few fields in the nodepda. Also known as
- * platform_cpu_init() by the ia64 machvec code.
- */
-void sn_cpu_init(void)
-{
- int cpuid;
- int cpuphyid;
- int nasid;
- int subnode;
- int slice;
- int cnode;
- int i;
- static int wars_have_been_checked, set_cpu0_number;
-
- cpuid = smp_processor_id();
- if (cpuid == 0 && IS_MEDUSA()) {
- if (ia64_sn_is_fake_prom())
- sn_prom_type = 2;
- else
- sn_prom_type = 1;
- printk(KERN_INFO "Running on medusa with %s PROM\n",
- (sn_prom_type == 1) ? "real" : "fake");
- }
-
- memset(pda, 0, sizeof(*pda));
- if (ia64_sn_get_sn_info(0, &sn_hub_info->shub2,
- &sn_hub_info->nasid_bitmask,
- &sn_hub_info->nasid_shift,
- &sn_system_size, &sn_sharing_domain_size,
- &sn_partition_id, &sn_coherency_id,
- &sn_region_size))
- BUG();
- sn_hub_info->as_shift = sn_hub_info->nasid_shift - 2;
-
- /*
- * Don't check status. The SAL call is not supported on all PROMs
- * but a failure is harmless.
- * Architecturally, cpu_init is always called twice on cpu 0. We
- * should set cpu_number on cpu 0 once.
- */
- if (cpuid == 0) {
- if (!set_cpu0_number) {
- (void) ia64_sn_set_cpu_number(cpuid);
- set_cpu0_number = 1;
- }
- } else
- (void) ia64_sn_set_cpu_number(cpuid);
-
- /*
- * The boot cpu makes this call again after platform initialization is
- * complete.
- */
- if (nodepdaindr[0] == NULL)
- return;
-
- for (i = 0; i < MAX_PROM_FEATURE_SETS; i++)
- if (ia64_sn_get_prom_feature_set(i, &sn_prom_features[i]) != 0)
- break;
-
- cpuphyid = get_sapicid();
-
- if (ia64_sn_get_sapic_info(cpuphyid, &nasid, &subnode, &slice))
- BUG();
-
- for (i=0; i < MAX_NUMNODES; i++) {
- if (nodepdaindr[i]) {
- nodepdaindr[i]->phys_cpuid[cpuid].nasid = nasid;
- nodepdaindr[i]->phys_cpuid[cpuid].slice = slice;
- nodepdaindr[i]->phys_cpuid[cpuid].subnode = subnode;
- }
- }
-
- cnode = nasid_to_cnodeid(nasid);
-
- __this_cpu_write(__sn_nodepda, nodepdaindr[cnode]);
-
- pda->led_address =
- (typeof(pda->led_address)) (LED0 + (slice << LED_CPU_SHIFT));
- pda->led_state = LED_ALWAYS_SET;
- pda->hb_count = HZ / 2;
- pda->hb_state = 0;
- pda->idle_flag = 0;
-
- if (cpuid != 0) {
- /* copy cpu 0's sn_cnodeid_to_nasid table to this cpu's */
- memcpy(sn_cnodeid_to_nasid,
- (&per_cpu(__sn_cnodeid_to_nasid, 0)),
- sizeof(__ia64_per_cpu_var(__sn_cnodeid_to_nasid)));
- }
-
- /*
- * Check for WARs.
- * Only needs to be done once, on BSP.
- * Has to be done after loop above, because it uses this cpu's
- * sn_cnodeid_to_nasid table which was just initialized if this
- * isn't cpu 0.
- * Has to be done before assignment below.
- */
- if (!wars_have_been_checked) {
- sn_check_for_wars();
- wars_have_been_checked = 1;
- }
- sn_hub_info->shub_1_1_found = shub_1_1_found;
-
- /*
- * Set up addresses of PIO/MEM write status registers.
- */
- {
- u64 pio1[] = {SH1_PIO_WRITE_STATUS_0, 0, SH1_PIO_WRITE_STATUS_1, 0};
- u64 pio2[] = {SH2_PIO_WRITE_STATUS_0, SH2_PIO_WRITE_STATUS_2,
- SH2_PIO_WRITE_STATUS_1, SH2_PIO_WRITE_STATUS_3};
- u64 *pio;
- pio = is_shub1() ? pio1 : pio2;
- pda->pio_write_status_addr =
- (volatile unsigned long *)GLOBAL_MMR_ADDR(nasid, pio[slice]);
- pda->pio_write_status_val = is_shub1() ? SH_PIO_WRITE_STATUS_PENDING_WRITE_COUNT_MASK : 0;
- }
-
- /*
- * WAR addresses for SHUB 1.x.
- */
- if (local_node_data->active_cpu_count++ == 0 && is_shub1()) {
- int buddy_nasid;
- buddy_nasid =
- cnodeid_to_nasid(numa_node_id() ==
- num_online_nodes() - 1 ? 0 : numa_node_id() + 1);
- pda->pio_shub_war_cam_addr =
- (volatile unsigned long *)GLOBAL_MMR_ADDR(nasid,
- SH1_PI_CAM_CONTROL);
- }
-}
-
-/*
- * Build tables for converting between NASIDs and cnodes.
- */
-static inline int __init board_needs_cnode(int type)
-{
- return (type == KLTYPE_SNIA || type == KLTYPE_TIO);
-}
-
-void __init build_cnode_tables(void)
-{
- int nasid;
- int node;
- lboard_t *brd;
-
- memset(physical_node_map, -1, sizeof(physical_node_map));
- memset(sn_cnodeid_to_nasid, -1,
- sizeof(__ia64_per_cpu_var(__sn_cnodeid_to_nasid)));
-
- /*
- * First populate the tables with C/M bricks. This ensures that
- * cnode == node for all C & M bricks.
- */
- for_each_online_node(node) {
- nasid = pxm_to_nasid(node_to_pxm(node));
- sn_cnodeid_to_nasid[node] = nasid;
- physical_node_map[nasid] = node;
- }
-
- /*
- * num_cnodes is total number of C/M/TIO bricks. Because of the 256 node
- * limit on the number of nodes, we can't use the generic node numbers
- * for this. Note that num_cnodes is incremented below as TIOs or
- * headless/memoryless nodes are discovered.
- */
- num_cnodes = num_online_nodes();
-
- /* fakeprom does not support klgraph */
- if (IS_RUNNING_ON_FAKE_PROM())
- return;
-
- /* Find TIOs & headless/memoryless nodes and add them to the tables */
- for_each_online_node(node) {
- kl_config_hdr_t *klgraph_header;
- nasid = cnodeid_to_nasid(node);
- klgraph_header = ia64_sn_get_klconfig_addr(nasid);
- BUG_ON(klgraph_header == NULL);
- brd = NODE_OFFSET_TO_LBOARD(nasid, klgraph_header->ch_board_info);
- while (brd) {
- if (board_needs_cnode(brd->brd_type) && physical_node_map[brd->brd_nasid] < 0) {
- sn_cnodeid_to_nasid[num_cnodes] = brd->brd_nasid;
- physical_node_map[brd->brd_nasid] = num_cnodes++;
- }
- brd = find_lboard_next(brd);
- }
- }
-}
-
-int
-nasid_slice_to_cpuid(int nasid, int slice)
-{
- long cpu;
-
- for (cpu = 0; cpu < nr_cpu_ids; cpu++)
- if (cpuid_to_nasid(cpu) == nasid &&
- cpuid_to_slice(cpu) == slice)
- return cpu;
-
- return -1;
-}
-
-int sn_prom_feature_available(int id)
-{
- if (id >= BITS_PER_LONG * MAX_PROM_FEATURE_SETS)
- return 0;
- return test_bit(id, sn_prom_features);
-}
-
-void
-sn_kernel_launch_event(void)
-{
- /* ignore status until we understand possible failure, if any*/
- if (ia64_sn_kernel_launch_event())
- printk(KERN_ERR "KEXEC is not supported in this PROM, Please update the PROM.\n");
-}
-EXPORT_SYMBOL(sn_prom_feature_available);
-