diff options
author | Tom Rini <trini@konsulko.com> | 2016-05-23 18:32:47 -0400 |
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committer | Tom Rini <trini@konsulko.com> | 2016-05-23 18:32:47 -0400 |
commit | 6d54868eeb2697c9a905c4d3521efbacc44c5258 (patch) | |
tree | 6ad3ae03a0083d1a50a6152bd6dcad5630ce7823 /arch/x86/cpu/lapic.c | |
parent | d7d000311285e4b8d11e089ca13ea456a01be3b8 (diff) | |
parent | 8216b11cdd50515fbc423a4b2709a00865b8621d (diff) |
Merge branch 'master' of git://git.denx.de/u-boot-x86
Diffstat (limited to 'arch/x86/cpu/lapic.c')
-rw-r--r-- | arch/x86/cpu/lapic.c | 35 |
1 files changed, 17 insertions, 18 deletions
diff --git a/arch/x86/cpu/lapic.c b/arch/x86/cpu/lapic.c index 30d23130eba..fbea2d15728 100644 --- a/arch/x86/cpu/lapic.c +++ b/arch/x86/cpu/lapic.c @@ -65,23 +65,27 @@ void lapic_write(unsigned long reg, unsigned long v) void enable_lapic(void) { - msr_t msr; - - msr = msr_read(MSR_IA32_APICBASE); - msr.hi &= 0xffffff00; - msr.lo |= MSR_IA32_APICBASE_ENABLE; - msr.lo &= ~MSR_IA32_APICBASE_BASE; - msr.lo |= LAPIC_DEFAULT_BASE; - msr_write(MSR_IA32_APICBASE, msr); + if (!IS_ENABLED(CONFIG_INTEL_QUARK)) { + msr_t msr; + + msr = msr_read(MSR_IA32_APICBASE); + msr.hi &= 0xffffff00; + msr.lo |= MSR_IA32_APICBASE_ENABLE; + msr.lo &= ~MSR_IA32_APICBASE_BASE; + msr.lo |= LAPIC_DEFAULT_BASE; + msr_write(MSR_IA32_APICBASE, msr); + } } void disable_lapic(void) { - msr_t msr; + if (!IS_ENABLED(CONFIG_INTEL_QUARK)) { + msr_t msr; - msr = msr_read(MSR_IA32_APICBASE); - msr.lo &= ~MSR_IA32_APICBASE_ENABLE; - msr_write(MSR_IA32_APICBASE, msr); + msr = msr_read(MSR_IA32_APICBASE); + msr.lo &= ~MSR_IA32_APICBASE_ENABLE; + msr_write(MSR_IA32_APICBASE, msr); + } } unsigned long lapicid(void) @@ -120,7 +124,6 @@ int lapic_remote_read(int apicid, int reg, unsigned long *pvalue) void lapic_setup(void) { -#ifdef CONFIG_SMP /* Only Pentium Pro and later have those MSR stuff */ debug("Setting up local apic: "); @@ -150,11 +153,7 @@ void lapic_setup(void) LAPIC_DELIVERY_MODE_NMI)); debug("apic_id: 0x%02lx, ", lapicid()); -#else /* !CONFIG_SMP */ - /* Only Pentium Pro and later have those MSR stuff */ - debug("Disabling local apic: "); - disable_lapic(); -#endif /* CONFIG_SMP */ + debug("done.\n"); post_code(POST_LAPIC); } |