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| author | Mike Travis <travis@sgi.com> | 2016-04-29 23:54:05 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-05-04 08:48:47 +0200 |
| commit | a0ec83f316e1d933d8c820d249972574324c2d25 (patch) | |
| tree | 20ca89ac04e2a32b6a0f6fd230ced69f8746f031 /arch/x86/kernel/apic | |
| parent | x86/platform/UV: Add UV Architecture Defines (diff) | |
| download | linux-a0ec83f316e1d933d8c820d249972574324c2d25.tar.xz linux-a0ec83f316e1d933d8c820d249972574324c2d25.zip | |
x86/platform/UV: Add UV4 Specific Defines
Add UV4 specific defines to determine if current system type is a
UV4 system.
Tested-by: John Estabrook <estabrook@sgi.com>
Tested-by: Gary Kroening <gfk@sgi.com>
Tested-by: Nathan Zimmer <nzimmer@sgi.com>
Signed-off-by: Mike Travis <travis@sgi.com>
Reviewed-by: Dimitri Sivanich <sivanich@sgi.com>
Cc: Andrew Banman <abanman@sgi.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Len Brown <len.brown@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Russ Anderson <rja@sgi.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20160429215403.072323684@asylum.americas.sgi.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kernel/apic')
| -rw-r--r-- | arch/x86/kernel/apic/x2apic_uv_x.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c index 8f4942e2bcbb..9086d95031a5 100644 --- a/arch/x86/kernel/apic/x2apic_uv_x.c +++ b/arch/x86/kernel/apic/x2apic_uv_x.c @@ -108,6 +108,9 @@ static int __init early_get_pnodeid(void) case UV3_HUB_PART_NUMBER_X: uv_min_hub_revision_id += UV3_HUB_REVISION_BASE; break; + case UV4_HUB_PART_NUMBER: + uv_min_hub_revision_id += UV4_HUB_REVISION_BASE - 1; + break; } uv_hub_info->hub_revision = uv_min_hub_revision_id; @@ -155,8 +158,10 @@ static int __init uv_acpi_madt_oem_check(char *oem_id, char *oem_table_id) * SGI: UV100/1000 * SGI2: UV2000/3000 * SGI3: UV300 (truncated to 4 chars because of different varieties) + * SGI4: UV400 (truncated to 4 chars because of different varieties) */ uv_hub_info->hub_revision = + !strncmp(oem_id, "SGI4", 4) ? UV4_HUB_REVISION_BASE : !strncmp(oem_id, "SGI3", 4) ? UV3_HUB_REVISION_BASE : !strcmp(oem_id, "SGI2") ? UV2_HUB_REVISION_BASE : !strcmp(oem_id, "SGI") ? UV1_HUB_REVISION_BASE : 0; @@ -881,9 +886,10 @@ void __init uv_system_init(void) unsigned long mmr_base, present, paddr; unsigned short pnode_mask; unsigned char n_lshift; - char *hub = (is_uv1_hub() ? "UV100/1000" : - (is_uv2_hub() ? "UV2000/3000" : - (is_uv3_hub() ? "UV300" : NULL))); + char *hub = is_uv4_hub() ? "UV400" : + is_uv3_hub() ? "UV300" : + is_uv2_hub() ? "UV2000/3000" : + is_uv1_hub() ? "UV100/1000" : NULL; if (!hub) { pr_err("UV: Unknown/unsupported UV hub\n"); |