diff options
Diffstat (limited to 'arch/x86/mach-generic/numaq.c')
| -rw-r--r-- | arch/x86/mach-generic/numaq.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/arch/x86/mach-generic/numaq.c b/arch/x86/mach-generic/numaq.c index 839b86b765a..e60361b0bf1 100644 --- a/arch/x86/mach-generic/numaq.c +++ b/arch/x86/mach-generic/numaq.c @@ -44,6 +44,19 @@ static void numaq_vector_allocation_domain(int cpu, cpumask_t *retmask) *retmask = (cpumask_t){ { [0] = APIC_ALL_CPUS, } }; } +static void numaq_setup_portio_remap(void) +{ + int num_quads = num_online_nodes(); + + if (num_quads <= 1) + return; + + printk("Remapping cross-quad port I/O for %d quads\n", num_quads); + xquad_portio = ioremap(XQUAD_PORTIO_BASE, num_quads*XQUAD_PORTIO_QUAD); + printk("xquad_portio vaddr 0x%08lx, len %08lx\n", + (u_long) xquad_portio, (u_long) num_quads*XQUAD_PORTIO_QUAD); +} + struct genapic apic_numaq = { .name = "NUMAQ", @@ -71,7 +84,7 @@ struct genapic apic_numaq = { .cpu_to_logical_apicid = numaq_cpu_to_logical_apicid, .cpu_present_to_apicid = numaq_cpu_present_to_apicid, .apicid_to_cpu_present = numaq_apicid_to_cpu_present, - .setup_portio_remap = setup_portio_remap, + .setup_portio_remap = numaq_setup_portio_remap, .check_phys_apicid_present = check_phys_apicid_present, .enable_apic_mode = enable_apic_mode, .phys_pkg_id = phys_pkg_id, |