diff options
Diffstat (limited to 'arch/x86/kernel')
| -rw-r--r-- | arch/x86/kernel/apic/x2apic_uv_x.c | 40 |
1 files changed, 31 insertions, 9 deletions
diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c index f450b683dfcf..b511a011b7d0 100644 --- a/arch/x86/kernel/apic/x2apic_uv_x.c +++ b/arch/x86/kernel/apic/x2apic_uv_x.c @@ -91,6 +91,10 @@ static int __init early_get_pnodeid(void) m_n_config.v = uv_early_read_mmr(UVH_RH_GAM_CONFIG_MMR); uv_min_hub_revision_id = node_id.s.revision; + if (node_id.s.part_number == UV2_HUB_PART_NUMBER) + uv_min_hub_revision_id += UV2_HUB_REVISION_BASE - 1; + + uv_hub_info->hub_revision = uv_min_hub_revision_id; pnode = (node_id.s.node_id >> 1) & ((1 << m_n_config.s.n_skt) - 1); return pnode; } @@ -112,17 +116,25 @@ static void __init early_get_apic_pnode_shift(void) */ static void __init uv_set_apicid_hibit(void) { - union uvh_lb_target_physical_apic_id_mask_u apicid_mask; + union uv1h_lb_target_physical_apic_id_mask_u apicid_mask; - apicid_mask.v = uv_early_read_mmr(UVH_LB_TARGET_PHYSICAL_APIC_ID_MASK); - uv_apicid_hibits = apicid_mask.s.bit_enables & UV_APICID_HIBIT_MASK; + if (is_uv1_hub()) { + apicid_mask.v = + uv_early_read_mmr(UV1H_LB_TARGET_PHYSICAL_APIC_ID_MASK); + uv_apicid_hibits = + apicid_mask.s1.bit_enables & UV_APICID_HIBIT_MASK; + } } static int __init uv_acpi_madt_oem_check(char *oem_id, char *oem_table_id) { - int pnodeid; + int pnodeid, is_uv1, is_uv2; - if (!strcmp(oem_id, "SGI")) { + is_uv1 = !strcmp(oem_id, "SGI"); + is_uv2 = !strcmp(oem_id, "SGI2"); + if (is_uv1 || is_uv2) { + uv_hub_info->hub_revision = + is_uv1 ? UV1_HUB_REVISION_BASE : UV2_HUB_REVISION_BASE; pnodeid = early_get_pnodeid(); early_get_apic_pnode_shift(); x86_platform.is_untracked_pat_range = uv_is_untracked_pat_range; @@ -484,12 +496,19 @@ static __init void map_mmr_high(int max_pnode) static __init void map_mmioh_high(int max_pnode) { union uvh_rh_gam_mmioh_overlay_config_mmr_u mmioh; - int shift = UVH_RH_GAM_MMIOH_OVERLAY_CONFIG_MMR_BASE_SHFT; + int shift; mmioh.v = uv_read_local_mmr(UVH_RH_GAM_MMIOH_OVERLAY_CONFIG_MMR); - if (mmioh.s.enable) - map_high("MMIOH", mmioh.s.base, shift, mmioh.s.m_io, + if (is_uv1_hub() && mmioh.s1.enable) { + shift = UV1H_RH_GAM_MMIOH_OVERLAY_CONFIG_MMR_BASE_SHFT; + map_high("MMIOH", mmioh.s1.base, shift, mmioh.s1.m_io, + max_pnode, map_uc); + } + if (is_uv2_hub() && mmioh.s2.enable) { + shift = UV2H_RH_GAM_MMIOH_OVERLAY_CONFIG_MMR_BASE_SHFT; + map_high("MMIOH", mmioh.s2.base, shift, mmioh.s2.m_io, max_pnode, map_uc); + } } static __init void map_low_mmrs(void) @@ -736,13 +755,14 @@ void __init uv_system_init(void) unsigned long mmr_base, present, paddr; unsigned short pnode_mask, pnode_io_mask; + printk(KERN_INFO "UV: Found %s hub\n", is_uv1_hub() ? "UV1" : "UV2"); map_low_mmrs(); m_n_config.v = uv_read_local_mmr(UVH_RH_GAM_CONFIG_MMR ); m_val = m_n_config.s.m_skt; n_val = m_n_config.s.n_skt; mmioh.v = uv_read_local_mmr(UVH_RH_GAM_MMIOH_OVERLAY_CONFIG_MMR); - n_io = mmioh.s.n_io; + n_io = is_uv1_hub() ? mmioh.s1.n_io : mmioh.s2.n_io; mmr_base = uv_read_local_mmr(UVH_RH_GAM_MMR_OVERLAY_CONFIG_MMR) & ~UV_MMR_ENABLE; @@ -811,6 +831,8 @@ void __init uv_system_init(void) */ uv_cpu_hub_info(cpu)->pnode_mask = pnode_mask; uv_cpu_hub_info(cpu)->apic_pnode_shift = uvh_apicid.s.pnode_shift; + uv_cpu_hub_info(cpu)->hub_revision = uv_hub_info->hub_revision; + pnode = uv_apicid_to_pnode(apicid); blade = boot_pnode_to_blade(pnode); lcpu = uv_blade_info[blade].nr_possible_cpus; |