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authorMike Travis <[email protected]>2016-04-29 16:54:05 -0500
committerIngo Molnar <[email protected]>2016-05-04 08:48:47 +0200
commita0ec83f316e1d933d8c820d249972574324c2d25 (patch)
tree20ca89ac04e2a32b6a0f6fd230ced69f8746f031
parente0ee1c97c3b1cabc3651d7bcf39c1f54d736fd20 (diff)
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 <[email protected]> Tested-by: Gary Kroening <[email protected]> Tested-by: Nathan Zimmer <[email protected]> Signed-off-by: Mike Travis <[email protected]> Reviewed-by: Dimitri Sivanich <[email protected]> Cc: Andrew Banman <[email protected]> Cc: Andrew Morton <[email protected]> Cc: Andy Lutomirski <[email protected]> Cc: Borislav Petkov <[email protected]> Cc: Brian Gerst <[email protected]> Cc: Denys Vlasenko <[email protected]> Cc: H. Peter Anvin <[email protected]> Cc: Len Brown <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Russ Anderson <[email protected]> Cc: Thomas Gleixner <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Ingo Molnar <[email protected]>
-rw-r--r--arch/x86/kernel/apic/x2apic_uv_x.c12
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");