aboutsummaryrefslogtreecommitdiffstats
path: root/arch/x86/include
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2010-08-06 10:06:28 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-06 10:06:28 -0700
commitf7ddc2b6cd880a259db338925d03bdc01f1d26c1 (patch)
treefdc28aeb2219d683f88df96e55297ac84aa8c129 /arch/x86/include
parentMerge branch 'x86-hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip (diff)
parentx86, mrst: make mrst_timer_options an enum (diff)
downloadlinux-dev-f7ddc2b6cd880a259db338925d03bdc01f1d26c1.tar.xz
linux-dev-f7ddc2b6cd880a259db338925d03bdc01f1d26c1.zip
Merge branch 'x86-mrst-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-mrst-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86, mrst: make mrst_timer_options an enum x86, mrst: make mrst_identify_cpu() an inline returning enum x86, mrst: add more timer config options x86, mrst: add cpu type detection x86: detect scattered cpuid features earlier
Diffstat (limited to 'arch/x86/include')
-rw-r--r--arch/x86/include/asm/apb_timer.h1
-rw-r--r--arch/x86/include/asm/mrst.h26
2 files changed, 26 insertions, 1 deletions
diff --git a/arch/x86/include/asm/apb_timer.h b/arch/x86/include/asm/apb_timer.h
index c74a2eebe570..a69b1ac9eaf8 100644
--- a/arch/x86/include/asm/apb_timer.h
+++ b/arch/x86/include/asm/apb_timer.h
@@ -55,7 +55,6 @@ extern unsigned long apbt_quick_calibrate(void);
extern int arch_setup_apbt_irqs(int irq, int trigger, int mask, int cpu);
extern void apbt_setup_secondary_clock(void);
extern unsigned int boot_cpu_id;
-extern int disable_apbt_percpu;
extern struct sfi_timer_table_entry *sfi_get_mtmr(int hint);
extern void sfi_free_mtmr(struct sfi_timer_table_entry *mtmr);
diff --git a/arch/x86/include/asm/mrst.h b/arch/x86/include/asm/mrst.h
index 451d30e7f62d..16350740edf6 100644
--- a/arch/x86/include/asm/mrst.h
+++ b/arch/x86/include/asm/mrst.h
@@ -13,6 +13,32 @@
extern int pci_mrst_init(void);
int __init sfi_parse_mrtc(struct sfi_table_header *table);
+/*
+ * Medfield is the follow-up of Moorestown, it combines two chip solution into
+ * one. Other than that it also added always-on and constant tsc and lapic
+ * timers. Medfield is the platform name, and the chip name is called Penwell
+ * we treat Medfield/Penwell as a variant of Moorestown. Penwell can be
+ * identified via MSRs.
+ */
+enum mrst_cpu_type {
+ MRST_CPU_CHIP_LINCROFT = 1,
+ MRST_CPU_CHIP_PENWELL,
+};
+
+extern enum mrst_cpu_type __mrst_cpu_chip;
+static enum mrst_cpu_type mrst_identify_cpu(void)
+{
+ return __mrst_cpu_chip;
+}
+
+enum mrst_timer_options {
+ MRST_TIMER_DEFAULT,
+ MRST_TIMER_APBT_ONLY,
+ MRST_TIMER_LAPIC_APBT,
+};
+
+extern enum mrst_timer_options mrst_timer_options;
+
#define SFI_MTMR_MAX_NUM 8
#define SFI_MRTC_MAX 8