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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>
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@ -108,6 +108,9 @@ static int __init early_get_pnodeid(void)
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case UV3_HUB_PART_NUMBER_X:
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uv_min_hub_revision_id += UV3_HUB_REVISION_BASE;
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break;
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case UV4_HUB_PART_NUMBER:
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uv_min_hub_revision_id += UV4_HUB_REVISION_BASE - 1;
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break;
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}
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uv_hub_info->hub_revision = uv_min_hub_revision_id;
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@ -155,8 +158,10 @@ static int __init uv_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
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* SGI: UV100/1000
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* SGI2: UV2000/3000
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* SGI3: UV300 (truncated to 4 chars because of different varieties)
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* SGI4: UV400 (truncated to 4 chars because of different varieties)
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*/
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uv_hub_info->hub_revision =
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!strncmp(oem_id, "SGI4", 4) ? UV4_HUB_REVISION_BASE :
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!strncmp(oem_id, "SGI3", 4) ? UV3_HUB_REVISION_BASE :
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!strcmp(oem_id, "SGI2") ? UV2_HUB_REVISION_BASE :
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!strcmp(oem_id, "SGI") ? UV1_HUB_REVISION_BASE : 0;
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@ -881,9 +886,10 @@ void __init uv_system_init(void)
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unsigned long mmr_base, present, paddr;
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unsigned short pnode_mask;
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unsigned char n_lshift;
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char *hub = (is_uv1_hub() ? "UV100/1000" :
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(is_uv2_hub() ? "UV2000/3000" :
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(is_uv3_hub() ? "UV300" : NULL)));
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char *hub = is_uv4_hub() ? "UV400" :
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is_uv3_hub() ? "UV300" :
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is_uv2_hub() ? "UV2000/3000" :
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is_uv1_hub() ? "UV100/1000" : NULL;
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if (!hub) {
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pr_err("UV: Unknown/unsupported UV hub\n");
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