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Groups > linux.kernel > #1310447 > unrolled thread
| Started by | Andy Shevchenko <andriy.shevchenko@linux.intel.com> |
|---|---|
| First post | 2016-01-15 21:20 +0100 |
| Last post | 2016-01-19 14:50 +0100 |
| Articles | 2 — 2 participants |
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[PATCH v1 1/2] x86/platform/intel-mid: enable 64-bit build Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-01-15 21:20 +0100
[tip:x86/urgent] x86/platform/intel-mid: Enable 64-bit build tip-bot for Andy Shevchenko <tipbot@zytor.com> - 2016-01-19 14:50 +0100
| From | Andy Shevchenko <andriy.shevchenko@linux.intel.com> |
|---|---|
| Date | 2016-01-15 21:20 +0100 |
| Subject | [PATCH v1 1/2] x86/platform/intel-mid: enable 64-bit build |
| Message-ID | <qRj0K-2C0-17@gated-at.bofh.it> |
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>
---
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
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| From | tip-bot for Andy Shevchenko <tipbot@zytor.com> |
|---|---|
| Date | 2016-01-19 14:50 +0100 |
| Subject | [tip:x86/urgent] x86/platform/intel-mid: Enable 64-bit build |
| Message-ID | <qSEPv-8d-7@gated-at.bofh.it> |
| In reply to | #1310447 |
Commit-ID: 3fda5bb420e79b357328b358409e4c547d8f0a18
Gitweb: http://git.kernel.org/tip/3fda5bb420e79b357328b358409e4c547d8f0a18
Author: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
AuthorDate: Fri, 15 Jan 2016 22:11:07 +0200
Committer: Ingo Molnar <mingo@kernel.org>
CommitDate: Tue, 19 Jan 2016 08:39:56 +0100
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>
---
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 258965d..07459a6 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -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
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();
}
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