Commit 3fda5bb4 authored Jan 15, 2016 by Andy Shevchenko Committed by Ingo Molnar Jan 19, 2016

x86/platform/intel-mid: Enable 64-bit build



Intel Tangier SoC is known to have 64-bit dual core CPU. Enable
64-bit build for it.

The kernel has been tested on Intel Edison board:

	Linux buildroot 4.4.0-next-20160115+ #25 SMP Fri Jan 15 22:03:19 EET 2016 x86_64 GNU/Linux

	processor       : 0
	vendor_id       : GenuineIntel
	cpu family      : 6
	model           : 74
	model name      : Genuine Intel(R) CPU   4000  @  500MHz
	stepping        : 8

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mika Westerberg <mika.westerberg@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1452888668-147116-1-git-send-email-andriy.shevchenko@linux.intel.com


Signed-off-by: Ingo Molnar <mingo@kernel.org>

parent 98229aa3

arch/x86/Kconfig

+1 −2

Original line number	Diff line number	Diff line
		@@ -495,11 +495,10 @@ config X86_INTEL_CE

		config X86_INTEL_MID
		bool "Intel MID platform support"
		depends on X86_32
		depends on X86_EXTENDED_PLATFORM
		depends on X86_PLATFORM_DEVICES
		depends on PCI
		depends on PCI_GOANY
		depends on X86_64 \|\| (PCI_GOANY && X86_32)
		depends on X86_IO_APIC
		select SFI
		select I2C

arch/x86/kernel/head64.c

+8 −0

Original line number	Diff line number	Diff line
		@@ -192,5 +192,13 @@ void __init x86_64_start_reservations(char *real_mode_data)

		reserve_ebda_region();

		switch (boot_params.hdr.hardware_subarch) {
		case X86_SUBARCH_INTEL_MID:
		x86_intel_mid_early_setup();
		break;
		default:
		break;
		}

		start_kernel();
		}

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