* MP-table.
*/
int apic_version [MAX_APICS];
+#if defined (CONFIG_MCA) || defined (CONFIG_EISA)
int mp_bus_id_to_type [MAX_MP_BUSSES];
-int mp_bus_id_to_node [MAX_MP_BUSSES];
-int mp_bus_id_to_local [MAX_MP_BUSSES];
-int quad_local_to_mp_bus_id [NR_CPUS/4][4];
+#endif
+DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES);
int mp_bus_id_to_pci_bus [MAX_MP_BUSSES] = { [0 ... MAX_MP_BUSSES-1] = -1 };
static int mp_current_pci_id;
/* Processor that is doing the boot up */
unsigned int boot_cpu_physical_apicid = -1U;
/* Internal processor count */
-unsigned int __cpuinitdata num_processors;
+unsigned int num_processors;
+
+unsigned disabled_cpus __cpuinitdata;
/* Bitmask of physically existing CPUs */
physid_mask_t phys_cpu_present_map;
-u8 bios_cpu_apicid[NR_CPUS] = { [0 ... NR_CPUS-1] = BAD_APICID };
-
/*
* Intel MP BIOS table parsing routines:
*/
static void __cpuinit MP_processor_info (struct mpc_config_processor *m)
{
- int ver, apicid;
+ int ver, apicid, cpu;
+ cpumask_t tmp_map;
physid_mask_t phys_cpu;
- if (!(m->mpc_cpuflag & CPU_ENABLED))
+ if (!(m->mpc_cpuflag & CPU_ENABLED)) {
+ disabled_cpus++;
return;
+ }
apicid = mpc_apic_id(m, translation_table[mpc_record]);
cpu_set(num_processors, cpu_possible_map);
num_processors++;
+ cpus_complement(tmp_map, cpu_present_map);
+ cpu = first_cpu(tmp_map);
+
+ if (m->mpc_cpuflag & CPU_BOOTPROCESSOR)
+ /*
+ * x86_bios_cpu_apicid is required to have processors listed
+ * in same order as logical cpu numbers. Hence the first
+ * entry is BSP, and so on.
+ */
+ cpu = 0;
/*
* Would be preferable to switch to bigsmp when CONFIG_HOTPLUG_CPU=y
def_to_bigsmp = 1;
}
}
- bios_cpu_apicid[num_processors - 1] = m->mpc_apicid;
+ /* are we being called early in kernel startup? */
+ if (x86_cpu_to_apicid_early_ptr) {
+ u16 *cpu_to_apicid = x86_cpu_to_apicid_early_ptr;
+ u16 *bios_cpu_apicid = x86_bios_cpu_apicid_early_ptr;
+
+ cpu_to_apicid[cpu] = m->mpc_apicid;
+ bios_cpu_apicid[num_processors - 1] = m->mpc_apicid;
+ } else {
+ per_cpu(x86_cpu_to_apicid, cpu) = m->mpc_apicid;
+ per_cpu(x86_bios_cpu_apicid, cpu) = m->mpc_apicid;
+ }
+ cpu_set(cpu, cpu_present_map);
}
static void __init MP_bus_info (struct mpc_config_bus *m)
}
#endif
- if (strncmp(str, BUSTYPE_ISA, sizeof(BUSTYPE_ISA)-1) == 0) {
- mp_bus_id_to_type[m->mpc_busid] = MP_BUS_ISA;
- } else if (strncmp(str, BUSTYPE_EISA, sizeof(BUSTYPE_EISA)-1) == 0) {
- mp_bus_id_to_type[m->mpc_busid] = MP_BUS_EISA;
- } else if (strncmp(str, BUSTYPE_PCI, sizeof(BUSTYPE_PCI)-1) == 0) {
+ set_bit(m->mpc_busid, mp_bus_not_pci);
+ if (strncmp(str, BUSTYPE_PCI, sizeof(BUSTYPE_PCI)-1) == 0) {
mpc_oem_pci_bus(m, translation_table[mpc_record]);
- mp_bus_id_to_type[m->mpc_busid] = MP_BUS_PCI;
+ clear_bit(m->mpc_busid, mp_bus_not_pci);
mp_bus_id_to_pci_bus[m->mpc_busid] = mp_current_pci_id;
mp_current_pci_id++;
+#if defined(CONFIG_EISA) || defined (CONFIG_MCA)
+ mp_bus_id_to_type[m->mpc_busid] = MP_BUS_PCI;
+ } else if (strncmp(str, BUSTYPE_ISA, sizeof(BUSTYPE_ISA)-1) == 0) {
+ mp_bus_id_to_type[m->mpc_busid] = MP_BUS_ISA;
+ } else if (strncmp(str, BUSTYPE_EISA, sizeof(BUSTYPE_EISA)-1) == 0) {
+ mp_bus_id_to_type[m->mpc_busid] = MP_BUS_EISA;
} else if (strncmp(str, BUSTYPE_MCA, sizeof(BUSTYPE_MCA)-1) == 0) {
mp_bus_id_to_type[m->mpc_busid] = MP_BUS_MCA;
} else {
printk(KERN_WARNING "Unknown bustype %s - ignoring\n", str);
+#endif
}
}
if (!(m->mpc_flags & MPC_APIC_USABLE))
return;
- printk(KERN_INFO "I/O APIC #%d Version %d at 0x%lX.\n",
+ printk(KERN_INFO "I/O APIC #%d Version %d at 0x%X.\n",
m->mpc_apicid, m->mpc_apicver, m->mpc_apicaddr);
if (nr_ioapics >= MAX_IO_APICS) {
printk(KERN_CRIT "Max # of I/O APICs (%d) exceeded (found %d).\n",
mps_oem_check(mpc, oem, str);
- printk("APIC at: 0x%lX\n",mpc->mpc_lapic);
+ printk("APIC at: 0x%X\n", mpc->mpc_lapic);
- /*
+ /*
* Save the local APIC address (it might be non-default) -- but only
* if we're not using ACPI.
*/
unsigned long *bp = phys_to_virt(base);
struct intel_mp_floating *mpf;
- Dprintk("Scan SMP from %p for %ld bytes.\n", bp,length);
+ printk(KERN_INFO "Scan SMP from %p for %ld bytes.\n", bp,length);
if (sizeof(*mpf) != 16)
printk("Error: MPF size\n");
|| (mpf->mpf_specification == 4)) ) {
smp_found_config = 1;
- printk(KERN_INFO "found SMP MP-table at %08lx\n",
- virt_to_phys(mpf));
- reserve_bootmem(virt_to_phys(mpf), PAGE_SIZE);
+ printk(KERN_INFO "found SMP MP-table at [%p] %08lx\n",
+ mpf, virt_to_phys(mpf));
+ reserve_bootmem(virt_to_phys(mpf), PAGE_SIZE,
+ BOOTMEM_DEFAULT);
if (mpf->mpf_physptr) {
/*
* We cannot access to MPC table to compute
unsigned long end = max_low_pfn * PAGE_SIZE;
if (mpf->mpf_physptr + size > end)
size = end - mpf->mpf_physptr;
- reserve_bootmem(mpf->mpf_physptr, size);
+ reserve_bootmem(mpf->mpf_physptr, size,
+ BOOTMEM_DEFAULT);
}
mpf_found = mpf;
*/
mp_ioapic_routing[idx].apic_id = mp_ioapics[idx].mpc_apicid;
mp_ioapic_routing[idx].gsi_base = gsi_base;
- mp_ioapic_routing[idx].gsi_end = gsi_base +
+ mp_ioapic_routing[idx].gsi_end = gsi_base +
io_apic_get_redir_entries(idx);
- printk("IOAPIC[%d]: apic_id %d, version %d, address 0x%lx, "
- "GSI %d-%d\n", idx, mp_ioapics[idx].mpc_apicid,
- mp_ioapics[idx].mpc_apicver, mp_ioapics[idx].mpc_apicaddr,
- mp_ioapic_routing[idx].gsi_base,
- mp_ioapic_routing[idx].gsi_end);
+ printk("IOAPIC[%d]: apic_id %d, version %d, address 0x%x, "
+ "GSI %d-%d\n", idx, mp_ioapics[idx].mpc_apicid,
+ mp_ioapics[idx].mpc_apicver, mp_ioapics[idx].mpc_apicaddr,
+ mp_ioapic_routing[idx].gsi_base,
+ mp_ioapic_routing[idx].gsi_end);
}
void __init
int i = 0;
int ioapic = -1;
+#if defined (CONFIG_MCA) || defined (CONFIG_EISA)
/*
* Fabricate the legacy ISA bus (bus #31).
*/
mp_bus_id_to_type[MP_ISA_BUS] = MP_BUS_ISA;
+#endif
+ set_bit(MP_ISA_BUS, mp_bus_not_pci);
Dprintk("Bus #%d is ISA\n", MP_ISA_BUS);
/*
}
#define MAX_GSI_NUM 4096
+#define IRQ_COMPRESSION_START 64
int mp_register_gsi(u32 gsi, int triggering, int polarity)
{
int ioapic = -1;
int ioapic_pin = 0;
int idx, bit = 0;
- static int pci_irq = 16;
+ static int pci_irq = IRQ_COMPRESSION_START;
/*
- * Mapping between Global System Interrups, which
+ * Mapping between Global System Interrupts, which
* represent all possible interrupts, and IRQs
* assigned to actual devices.
*/
if ((1<<bit) & mp_ioapic_routing[ioapic].pin_programmed[idx]) {
Dprintk(KERN_DEBUG "Pin %d-%d already programmed\n",
mp_ioapic_routing[ioapic].apic_id, ioapic_pin);
- return gsi_to_irq[gsi];
+ return (gsi < IRQ_COMPRESSION_START ? gsi : gsi_to_irq[gsi]);
}
mp_ioapic_routing[ioapic].pin_programmed[idx] |= (1<<bit);
- if (triggering == ACPI_LEVEL_SENSITIVE) {
+ /*
+ * For GSI >= 64, use IRQ compression
+ */
+ if ((gsi >= IRQ_COMPRESSION_START)
+ && (triggering == ACPI_LEVEL_SENSITIVE)) {
/*
* For PCI devices assign IRQs in order, avoiding gaps
* due to unused I/O APIC pins.
projects / linux-2.6-omap-h63xx.git / blobdiff