x86/numachip: Add Numachip2 APIC support

Browse source

Introduce support for Numachip2 remote interrupts via detecting the right
ACPI SRAT signature.

Access is performed via a fixed mapping in the x86 physical address space.

Signed-off-by: Daniel J Blueman <daniel@numascale.com>
Acked-by: Steffen Persvold <sp@numascale.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: http://lkml.kernel.org/r/1442768522-19217-2-git-send-email-daniel@numascale.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

...

This commit is contained in:

Daniel J Blueman 2015-09-21 01:02:00 +08:00 • committed by Thomas Gleixner

parent db1003a719

commit d9d4dee6ce

3 changed files with 129 additions and 0 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

1

arch/x86/include/asm/numachip/numachip.h

View file

35

arch/x86/include/asm/numachip/numachip_csr.h

View file

93

arch/x86/kernel/apic/apic_numachip.c

View file