From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753131AbcAOULT (ORCPT ); Fri, 15 Jan 2016 15:11:19 -0500 Received: from mga03.intel.com ([134.134.136.65]:19423 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752066AbcAOULR (ORCPT ); Fri, 15 Jan 2016 15:11:17 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.22,301,1449561600"; d="scan'208";a="891346463" From: Andy Shevchenko To: Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , linux-kernel@vger.kernel.org, Mika Westerberg Cc: Andy Shevchenko Subject: [PATCH v1 1/2] x86/platform/intel-mid: enable 64-bit build Date: Fri, 15 Jan 2016 22:11:07 +0200 Message-Id: <1452888668-147116-1-git-send-email-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.7.0.rc3 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 --- arch/x86/Kconfig | 3 +-- arch/x86/kernel/head64.c | 8 ++++++++ 2 files changed, 9 insertions(+), 2 deletions(-) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index ebb810f..0ebc19a 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -510,11 +510,10 @@ 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 diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c index f129a9a..2c0f340 100644 --- a/arch/x86/kernel/head64.c +++ b/arch/x86/kernel/head64.c @@ -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(); } -- 2.7.0.rc3