# HG changeset patch # User Isaku Yamahata # Date 1213177655 -32400 # Node ID b477fb2022639b1e7d9832d6433e234176d5fb6f # Parent 89ab2cb0bf28b8f1b0205eafaae6c3785a330b44 [IA64] remove unused old acpi.c. Signed-off-by: Isaku Yamahata diff --git a/xen/arch/ia64/xen/acpi.c b/xen/arch/ia64/xen/acpi.c deleted file mode 100644 --- a/xen/arch/ia64/xen/acpi.c +++ /dev/null @@ -1,704 +0,0 @@ -/* - * acpi.c - Architecture-Specific Low-Level ACPI Support - * - * Copyright (C) 1999 VA Linux Systems - * Copyright (C) 1999,2000 Walt Drummond - * Copyright (C) 2000, 2002-2003 Hewlett-Packard Co. - * David Mosberger-Tang - * Copyright (C) 2000 Intel Corp. - * Copyright (C) 2000,2001 J.I. Lee - * Copyright (C) 2001 Paul Diefenbaugh - * Copyright (C) 2001 Jenna Hall - * Copyright (C) 2001 Takayoshi Kochi - * Copyright (C) 2002 Erich Focht - * - * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - * - * 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 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 -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#ifdef XEN -#include -#include -extern u8 numa_slit[MAX_NUMNODES * MAX_NUMNODES]; -#endif - -#define BAD_MADT_ENTRY(entry, end) ( \ - (!entry) || (unsigned long)entry + sizeof(*entry) > end || \ - ((struct acpi_subtable_header *)entry)->length != sizeof(*entry)) - -#define PREFIX "ACPI: " - -void (*pm_idle) (void); -EXPORT_SYMBOL(pm_idle); -void (*pm_power_off) (void); - -unsigned char acpi_kbd_controller_present = 1; -unsigned char acpi_legacy_devices; - -const char * -acpi_get_sysname (void) -{ -/* #ifdef CONFIG_IA64_GENERIC */ - unsigned long rsdp_phys; - struct acpi_table_rsdp *rsdp; - struct acpi_table_xsdt *xsdt; - struct acpi_table_header *hdr; - - rsdp_phys = acpi_find_rsdp(); - if (!rsdp_phys) { - printk(KERN_ERR "ACPI 2.0 RSDP not found, default to \"dig\"\n"); - return "dig"; - } - - rsdp = (struct acpi_table_rsdp *) __va(rsdp_phys); - if (strncmp(rsdp->signature, ACPI_SIG_RSDP, sizeof(ACPI_SIG_RSDP) - 1)) { - printk(KERN_ERR "ACPI 2.0 RSDP signature incorrect, default to \"dig\"\n"); - return "dig"; - } - - xsdt = (struct acpi_table_xsdt *) __va(rsdp->xsdt_physical_address); - hdr = &xsdt->header; - if (strncmp(hdr->signature, ACPI_SIG_XSDT, sizeof(ACPI_SIG_XSDT) - 1)) { - printk(KERN_ERR "ACPI 2.0 XSDT signature incorrect, default to \"dig\"\n"); - return "dig"; - } - - if (!strcmp(hdr->oem_id, "HP")) { - return "hpzx1"; - } - else if (!strcmp(hdr->oem_id, "SGI")) { - return "sn2"; - } - - return "dig"; -/* -#else -# if defined (CONFIG_IA64_HP_SIM) - return "hpsim"; -# elif defined (CONFIG_IA64_HP_ZX1) - return "hpzx1"; -# elif defined (CONFIG_IA64_SGI_SN2) - return "sn2"; -# elif defined (CONFIG_IA64_DIG) - return "dig"; -# else -# error Unknown platform. Fix acpi.c. -# endif -#endif -*/ -} - -#ifdef CONFIG_ACPI_BOOT - -#define ACPI_MAX_PLATFORM_INTERRUPTS 256 - -/* Array to record platform interrupt vectors for generic interrupt routing. */ -int platform_intr_list[ACPI_MAX_PLATFORM_INTERRUPTS] = { - [0 ... ACPI_MAX_PLATFORM_INTERRUPTS - 1] = -1 -}; - -enum acpi_irq_model_id acpi_irq_model = ACPI_IRQ_MODEL_IOSAPIC; - -/* - * Interrupt routing API for device drivers. Provides interrupt vector for - * a generic platform event. Currently only CPEI is implemented. - */ -int -acpi_request_vector (u32 int_type) -{ - int vector = -1; - - if (int_type < ACPI_MAX_PLATFORM_INTERRUPTS) { - /* corrected platform error interrupt */ - vector = platform_intr_list[int_type]; - } else - printk(KERN_ERR "acpi_request_vector(): invalid interrupt type\n"); - return vector; -} - -char * -__acpi_map_table (unsigned long phys_addr, unsigned long size) -{ - return __va(phys_addr); -} - -/* -------------------------------------------------------------------------- - Boot-time Table Parsing - -------------------------------------------------------------------------- */ - -static int total_cpus __initdata; -static int available_cpus __initdata; -struct acpi_table_madt * acpi_madt __initdata; -static u8 has_8259; - -static int __init -acpi_parse_lapic_addr_ovr ( - struct acpi_subtable_header *header, const unsigned long end) -{ - struct acpi_table_lapic_addr_ovr *lapic; - - lapic = (struct acpi_table_lapic_addr_ovr *) header; - - if (BAD_MADT_ENTRY(lapic, end)) - return -EINVAL; - - acpi_table_print_madt_entry(header); - - if (lapic->address) { - iounmap((void *) ipi_base_addr); - ipi_base_addr = (void __iomem *) ioremap(lapic->address, 0); - } - return 0; -} - - -static int __init -acpi_parse_lsapic (struct acpi_subtable_header *header, const unsigned long end) -{ - struct acpi_table_lsapic *lsapic; - - lsapic = (struct acpi_table_lsapic *) header; - - if (BAD_MADT_ENTRY(lsapic, end)) - return -EINVAL; - - acpi_table_print_madt_entry(header); - - printk(KERN_INFO "CPU %d (0x%04x)", total_cpus, (lsapic->id << 8) | lsapic->eid); - - if (!lsapic->flags.enabled) - printk(" disabled"); - else { - printk(" enabled"); -#ifdef CONFIG_SMP - if (available_cpus < NR_CPUS) { - smp_boot_data.cpu_phys_id[available_cpus] = (lsapic->id << 8) | lsapic->eid; - if (hard_smp_processor_id() - == (unsigned int) smp_boot_data.cpu_phys_id[available_cpus]) - printk(" (BSP)"); - ++available_cpus; - } else { - printk(" - however, ignored..."); - } -#else - ++available_cpus; -#endif - } - - printk("\n"); - - total_cpus++; - return 0; -} - - -static int __init -acpi_parse_lapic_nmi (struct acpi_subtable_header *header, const unsigned long end) -{ - struct acpi_table_lapic_nmi *lacpi_nmi; - - lacpi_nmi = (struct acpi_table_lapic_nmi*) header; - - if (BAD_MADT_ENTRY(lacpi_nmi, end)) - return -EINVAL; - - acpi_table_print_madt_entry(header); - - /* TBD: Support lapic_nmi entries */ - return 0; -} - - -static int __init -acpi_parse_iosapic (struct acpi_subtable_header *header, const unsigned long end) -{ - struct acpi_table_iosapic *iosapic; - - iosapic = (struct acpi_table_iosapic *) header; - - if (BAD_MADT_ENTRY(iosapic, end)) - return -EINVAL; - - acpi_table_print_madt_entry(header); - - iosapic_init(iosapic->address, iosapic->global_irq_base); - - return 0; -} - -static int __init -acpi_parse_plat_int_src ( - struct acpi_subtable_header *header, const unsigned long end) -{ - struct acpi_table_plat_int_src *plintsrc; - int vector; - - plintsrc = (struct acpi_table_plat_int_src *) header; - - if (BAD_MADT_ENTRY(plintsrc, end)) - return -EINVAL; - - acpi_table_print_madt_entry(header); - - /* - * Get vector assignment for this interrupt, set attributes, - * and program the IOSAPIC routing table. - */ - vector = iosapic_register_platform_intr(plintsrc->type, - plintsrc->global_irq, - plintsrc->iosapic_vector, - plintsrc->eid, - plintsrc->id, - (plintsrc->flags.polarity == 1) ? IOSAPIC_POL_HIGH : IOSAPIC_POL_LOW, - (plintsrc->flags.trigger == 1) ? IOSAPIC_EDGE : IOSAPIC_LEVEL); - - platform_intr_list[plintsrc->type] = vector; - return 0; -} - - -static int __init -acpi_parse_int_src_ovr ( - struct acpi_subtable_header *header, const unsigned long end) -{ - struct acpi_table_int_src_ovr *p; - - p = (struct acpi_table_int_src_ovr *) header; - - if (BAD_MADT_ENTRY(p, end)) - return -EINVAL; - - acpi_table_print_madt_entry(header); - - iosapic_override_isa_irq(p->bus_irq, p->global_irq, - (p->flags.polarity == 1) ? IOSAPIC_POL_HIGH : IOSAPIC_POL_LOW, - (p->flags.trigger == 1) ? IOSAPIC_EDGE : IOSAPIC_LEVEL); - return 0; -} - -static int __init -acpi_parse_nmi_src (struct acpi_subtable_header *header, const unsigned long end) -{ - struct acpi_table_nmi_src *nmi_src; - - nmi_src = (struct acpi_table_nmi_src*) header; - - if (BAD_MADT_ENTRY(nmi_src, end)) - return -EINVAL; - - acpi_table_print_madt_entry(header); - - /* TBD: Support nimsrc entries */ - return 0; -} -/* Hook from generic ACPI tables.c */ -void __init acpi_madt_oem_check(char *oem_id, char *oem_table_id) -{ - if (!strncmp(oem_id, "IBM", 3) && - (!strncmp(oem_table_id, "SERMOW", 6))){ - - /* Unfortunatly ITC_DRIFT is not yet part of the - * official SAL spec, so the ITC_DRIFT bit is not - * set by the BIOS on this hardware. - */ - sal_platform_features |= IA64_SAL_PLATFORM_FEATURE_ITC_DRIFT; - -#if 0 - /*Start cyclone clock*/ - cyclone_setup(0); -#endif - } -} - -static int __init -acpi_parse_madt (struct acpi_table_header *table) -{ - acpi_madt = (struct acpi_table_madt *)table; - - /* remember the value for reference after free_initmem() */ -#ifdef CONFIG_ITANIUM - has_8259 = 1; /* Firmware on old Itanium systems is broken */ -#else - has_8259 = acpi_madt->flags & ACPI_MADT_PCAT_COMPAT; -#endif - iosapic_system_init(has_8259); - - /* Get base address of IPI Message Block */ - - if (acpi_madt->address) - ipi_base_addr = (void __iomem *)ioremap(acpi_madt->address, 0); - - printk(KERN_INFO PREFIX "Local APIC address %p\n", ipi_base_addr); - - acpi_madt_oem_check(acpi_madt->header.oem_id, - acpi_madt->header.oem_table_id); - - return 0; -} - -#ifdef CONFIG_ACPI_NUMA - -#undef SLIT_DEBUG - -#define PXM_FLAG_LEN ((MAX_PXM_DOMAINS + 1)/32) - -static int __initdata srat_num_cpus; /* number of cpus */ -static u32 __initdata pxm_flag[PXM_FLAG_LEN]; -#define pxm_bit_set(bit) (set_bit(bit,(void *)pxm_flag)) -#define pxm_bit_test(bit) (test_bit(bit,(void *)pxm_flag)) -/* maps to convert between proximity domain and logical node ID */ -int __initdata pxm_to_nid_map[MAX_PXM_DOMAINS]; -int __initdata nid_to_pxm_map[MAX_NUMNODES]; -static struct acpi_table_slit __initdata *slit_table; - -#define NID_INVAL -1 -#define PXM_INVAL -1 - -int __init pxm_to_node(int pxm) -{ - if (pxm < 0) - return NID_INVAL; - return pxm_to_nid_map[pxm]; -} - -int __init node_to_pxm(int node) -{ - if (node < 0) - return PXM_INVAL; - return nid_to_pxm_map[node]; -} - - -/* - * ACPI 2.0 SLIT (System Locality Information Table) - * http://devresource.hp.com/devresource/Docs/TechPapers/IA64/slit.pdf - */ -void __init -acpi_numa_slit_init (struct acpi_table_slit *slit) -{ - u32 len; - - len = sizeof(struct acpi_table_header) + 8 - + slit->locality_count * slit->locality_count; - if (slit->header.length != len) { - printk(KERN_ERR "ACPI 2.0 SLIT: size mismatch: %d expected, %d actual\n", - len, slit->header.length); - memset(numa_slit, 10, sizeof(numa_slit)); - return; - } - slit_table = slit; -} - -void __init -acpi_numa_processor_affinity_init (struct acpi_table_processor_affinity *pa) -{ - /* record this node in proximity bitmap */ - pxm_bit_set(pa->proximity_domain); - - node_cpuid[srat_num_cpus].phys_id = (pa->apic_id << 8) | (pa->lsapic_eid); - /* nid should be overridden as logical node id later */ - node_cpuid[srat_num_cpus].nid = pa->proximity_domain; - srat_num_cpus++; -} - -void __init -acpi_numa_memory_affinity_init (struct acpi_table_memory_affinity *ma) -{ - unsigned long paddr, size; - u8 pxm; - struct node_memblk_s *p, *q, *pend; - - pxm = ma->proximity_domain; - - /* fill node memory chunk structure */ - paddr = ma->base_addr_hi; - paddr = (paddr << 32) | ma->base_addr_lo; - size = ma->length_hi; - size = (size << 32) | ma->length_lo; - - /* Ignore disabled entries */ - if (!ma->flags.enabled) - return; - - /* record this node in proximity bitmap */ - pxm_bit_set(pxm); - - /* Insertion sort based on base address */ - pend = &node_memblk[num_node_memblks]; - for (p = &node_memblk[0]; p < pend; p++) { - if (paddr < p->start_paddr) - break; - } - if (p < pend) { - for (q = pend - 1; q >= p; q--) - *(q + 1) = *q; - } - p->start_paddr = paddr; - p->size = size; - p->nid = pxm; - num_node_memblks++; -} - -static unsigned int numnodes; -void __init -acpi_numa_arch_fixup (void) -{ - int i, j, node_from, node_to; - - /* If there's no SRAT, fix the phys_id */ - if (srat_num_cpus == 0) { - node_cpuid[0].phys_id = hard_smp_processor_id(); - return; - } - - /* calculate total number of nodes in system from PXM bitmap */ - numnodes = 0; /* init total nodes in system */ - - memset(pxm_to_nid_map, PXM_INVAL, sizeof(pxm_to_nid_map)); - memset(nid_to_pxm_map, NID_INVAL, sizeof(nid_to_pxm_map)); - for (i = 0; i < MAX_PXM_DOMAINS; i++) { - if (pxm_bit_test(i)) { - pxm_to_nid_map[i] = numnodes; - node_set_online(numnodes); - nid_to_pxm_map[numnodes++] = i; - } - } - - /* set logical node id in memory chunk structure */ - for (i = 0; i < num_node_memblks; i++) - node_memblk[i].nid = pxm_to_nid_map[node_memblk[i].nid]; - - /* assign memory bank numbers for each chunk on each node */ - for (i = 0; i < numnodes; i++) { - int bank; - - bank = 0; - for (j = 0; j < num_node_memblks; j++) - if (node_memblk[j].nid == i) - node_memblk[j].bank = bank++; - } - - /* set logical node id in cpu structure */ - for (i = 0; i < srat_num_cpus; i++) - node_cpuid[i].nid = pxm_to_nid_map[node_cpuid[i].nid]; - - printk(KERN_INFO "Number of logical nodes in system = %d\n", - numnodes); - printk(KERN_INFO "Number of memory chunks in system = %d\n", - num_node_memblks); - - if (!slit_table) - return; - memset(numa_slit, -1, sizeof(numa_slit)); - for (i = 0; i < slit_table->locality_count; i++) { - if (!pxm_bit_test(i)) - continue; - node_from = pxm_to_nid_map[i]; - for (j=0; j < slit_table->locality_count; j++) { - if (!pxm_bit_test(j)) - continue; - node_to = pxm_to_nid_map[j]; - node_distance(node_from, node_to) = - slit_table->entry[i * slit_table->locality_count + j]; - } - } - -#ifdef SLIT_DEBUG - printk("ACPI 2.0 SLIT locality table:\n"); - for (i = 0; i < numnodes; i++) { - for (j = 0; j < numnodes; j++) - printk("%03d ", node_distance(i,j)); - printk("\n"); - } -#endif -} -#endif /* CONFIG_ACPI_NUMA */ - -#if 0 -unsigned int -acpi_register_gsi (u32 gsi, int polarity, int trigger) -{ - return acpi_register_irq(gsi, polarity, trigger); -} -EXPORT_SYMBOL(acpi_register_gsi); -#endif -static int __init -acpi_parse_fadt (struct acpi_table_header *table) -{ - struct acpi_table_header *fadt_header; - struct acpi_table_fadt *fadt; - - fadt_header = (struct acpi_table_header *)table; - if (fadt_header->revision != 3) - return -ENODEV; /* Only deal with ACPI 2.0 FADT */ - - fadt = (struct acpi_table_fadt *) fadt_header; - - if (!(fadt->boot_flags & BAF_8042_KEYBOARD_CONTROLLER)) - acpi_kbd_controller_present = 0; - - if (fadt->boot_flags & BAF_LEGACY_DEVICES) - acpi_legacy_devices = 1; - -#if 0 - acpi_register_gsi(fadt->sci_interrupt, ACPI_ACTIVE_LOW, ACPI_LEVEL_SENSITIVE); -#endif - return 0; -} - -unsigned long __init -acpi_find_rsdp (void) -{ - unsigned long rsdp_phys = 0; - - if (efi.acpi20) - rsdp_phys = __pa(efi.acpi20); - else if (efi.acpi) - printk(KERN_WARNING PREFIX "v1.0/r0.71 tables no longer supported\n"); - return rsdp_phys; -} - -int __init -acpi_boot_init (void) -{ - - /* - * MADT - * ---- - * Parse the Multiple APIC Description Table (MADT), if exists. - * Note that this table provides platform SMP configuration - * information -- the successor to MPS tables. - */ - - if (acpi_table_parse(ACPI_SIG_MADT, acpi_parse_madt)) { - printk(KERN_ERR PREFIX "Can't find MADT\n"); - goto skip_madt; - } - - /* Local APIC */ - - if (acpi_table_parse_madt(ACPI_MADT_LAPIC_ADDR_OVR, acpi_parse_lapic_addr_ovr, 0) < 0) - printk(KERN_ERR PREFIX "Error parsing LAPIC address override entry\n"); - - if (acpi_table_parse_madt(ACPI_MADT_LSAPIC, acpi_parse_lsapic, NR_CPUS) < 1) - printk(KERN_ERR PREFIX "Error parsing MADT - no LSAPIC entries\n"); - - if (acpi_table_parse_madt(ACPI_MADT_LAPIC_NMI, acpi_parse_lapic_nmi, 0) < 0) - printk(KERN_ERR PREFIX "Error parsing LAPIC NMI entry\n"); - - /* I/O APIC */ - - if (acpi_table_parse_madt(ACPI_MADT_IOSAPIC, acpi_parse_iosapic, NR_IOSAPICS) < 1) - printk(KERN_ERR PREFIX "Error parsing MADT - no IOSAPIC entries\n"); - - /* System-Level Interrupt Routing */ - - if (acpi_table_parse_madt(ACPI_MADT_PLAT_INT_SRC, acpi_parse_plat_int_src, ACPI_MAX_PLATFORM_INTERRUPTS) < 0) - printk(KERN_ERR PREFIX "Error parsing platform interrupt source entry\n"); - - if (acpi_table_parse_madt(ACPI_MADT_INT_SRC_OVR, acpi_parse_int_src_ovr, 0) < 0) - printk(KERN_ERR PREFIX "Error parsing interrupt source overrides entry\n"); - - if (acpi_table_parse_madt(ACPI_MADT_NMI_SRC, acpi_parse_nmi_src, 0) < 0) - printk(KERN_ERR PREFIX "Error parsing NMI SRC entry\n"); - skip_madt: - - /* - * FADT says whether a legacy keyboard controller is present. - * The FADT also contains an SCI_INT line, by which the system - * gets interrupts such as power and sleep buttons. If it's not - * on a Legacy interrupt, it needs to be setup. - */ - if (acpi_table_parse(ACPI_SIG_FADT, acpi_parse_fadt)) - printk(KERN_ERR PREFIX "Can't find FADT\n"); - -#ifdef CONFIG_SMP - if (available_cpus == 0) { - printk(KERN_INFO "ACPI: Found 0 CPUS; assuming 1\n"); - printk(KERN_INFO "CPU 0 (0x%04x)\n", hard_smp_processor_id()); - smp_boot_data.cpu_phys_id[available_cpus] = hard_smp_processor_id(); - available_cpus = 1; /* We've got at least one of these, no? */ - } - smp_boot_data.cpu_count = available_cpus; - - smp_build_cpu_map(); -# ifdef CONFIG_ACPI_NUMA - if (srat_num_cpus == 0) { - int cpu, i = 1; - for (cpu = 0; cpu < smp_boot_data.cpu_count; cpu++) - if (smp_boot_data.cpu_phys_id[cpu] != hard_smp_processor_id()) - node_cpuid[i++].phys_id = smp_boot_data.cpu_phys_id[cpu]; - } - build_cpu_to_node_map(); -# endif -#endif - /* Make boot-up look pretty */ - printk(KERN_INFO "%d CPUs available, %d CPUs total\n", available_cpus, total_cpus); - return 0; -} - -int -acpi_gsi_to_irq (u32 gsi, unsigned int *irq) -{ - int vector; - - if (has_8259 && gsi < 16) - *irq = isa_irq_to_vector(gsi); - else { - vector = gsi_to_vector(gsi); - if (vector == -1) - return -1; - - *irq = vector; - } - return 0; -} -#if 0 -int -acpi_register_irq (u32 gsi, u32 polarity, u32 trigger) -{ - if (has_8259 && gsi < 16) - return isa_irq_to_vector(gsi); - - return iosapic_register_intr(gsi, - (polarity == ACPI_ACTIVE_HIGH) ? IOSAPIC_POL_HIGH : IOSAPIC_POL_LOW, - (trigger == ACPI_EDGE_SENSITIVE) ? IOSAPIC_EDGE : IOSAPIC_LEVEL); -} -EXPORT_SYMBOL(acpi_register_irq); -#endif -#endif /* CONFIG_ACPI_BOOT */