diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2009-08-29 14:54:20 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2009-08-31 11:09:40 +0200 |
| commit | 3f4110a48a749a1aa1c54fb807afb3f32f49711c (patch) | |
| tree | 5c0cab75bbb0868b59ee9a5b9f76fb2f5d325211 /arch/x86/kernel | |
| parent | 162bc7ab01a00eba1c5d614e64a51e1268ee3f96 (diff) | |
x86: Add Moorestown early detection
Moorestown MID devices need to be detected early in the boot process
to setup and do not call x86_default_early_setup as there is no EBDA
region to reserve.
[ Copied the minimal code from Jacobs latest MRST series ]
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Jacob Pan <jacob.jun.pan@intel.com>
Diffstat (limited to 'arch/x86/kernel')
| -rw-r--r-- | arch/x86/kernel/Makefile | 1 | ||||
| -rw-r--r-- | arch/x86/kernel/head32.c | 3 | ||||
| -rw-r--r-- | arch/x86/kernel/mrst.c | 24 |
3 files changed, 28 insertions, 0 deletions
diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile index ccf3db607c2..5f33316610d 100644 --- a/arch/x86/kernel/Makefile +++ b/arch/x86/kernel/Makefile @@ -104,6 +104,7 @@ obj-$(CONFIG_SCx200) += scx200.o scx200-y += scx200_32.o obj-$(CONFIG_OLPC) += olpc.o +obj-$(CONFIG_X86_MRST) += mrst.o microcode-y := microcode_core.o microcode-$(CONFIG_MICROCODE_INTEL) += microcode_intel.o diff --git a/arch/x86/kernel/head32.c b/arch/x86/kernel/head32.c index 441c075e2b8..4f8e2507e8f 100644 --- a/arch/x86/kernel/head32.c +++ b/arch/x86/kernel/head32.c @@ -45,6 +45,9 @@ void __init i386_start_kernel(void) /* Call the subarch specific early setup function */ switch (boot_params.hdr.hardware_subarch) { + case X86_SUBARCH_MRST: + x86_mrst_early_setup(); + break; default: i386_default_early_setup(); break; diff --git a/arch/x86/kernel/mrst.c b/arch/x86/kernel/mrst.c new file mode 100644 index 00000000000..3b7078abc87 --- /dev/null +++ b/arch/x86/kernel/mrst.c @@ -0,0 +1,24 @@ +/* + * mrst.c: Intel Moorestown platform specific setup code + * + * (C) Copyright 2008 Intel Corporation + * Author: Jacob Pan (jacob.jun.pan@intel.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; version 2 + * of the License. + */ +#include <linux/init.h> + +#include <asm/setup.h> + +/* + * Moorestown specific x86_init function overrides and early setup + * calls. + */ +void __init x86_mrst_early_setup(void) +{ + x86_init.resources.probe_roms = x86_init_noop; + x86_init.resources.reserve_resources = x86_init_noop; +} |