diff options
| author | Scott Duplichan <scott@notabs.org> | 2010-10-19 04:36:42 +0000 |
|---|---|---|
| committer | Scott Duplichan <scott@notabs.org> | 2010-10-19 04:36:42 +0000 |
| commit | 236aef238f6e5c735cc9f253746def582fbaf8ff (patch) | |
| tree | b9e49ede318d6aae2098aa7c1c81ede9e732eeb1 /src/cpu/x86/lapic | |
| parent | af786b618d5e1aafe1e5b8d9ed49b55903381a2e (diff) | |
To reduce boot time, remove the double startup IPI and 10 ms delay from lapic_cpu_init.c. The change is
currently restricted to recent model AMD processors, though it could be applied to others after successful testing.
Signed-off-by: Scott Duplichan <scott@notabs.org>
Acked-by: Myles Watson <mylesgw@gmail.com>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5967 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/cpu/x86/lapic')
| -rw-r--r-- | src/cpu/x86/lapic/lapic_cpu_init.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/cpu/x86/lapic/lapic_cpu_init.c b/src/cpu/x86/lapic/lapic_cpu_init.c index 87452653ca..602e764b77 100644 --- a/src/cpu/x86/lapic/lapic_cpu_init.c +++ b/src/cpu/x86/lapic/lapic_cpu_init.c @@ -113,7 +113,9 @@ static int lapic_start_cpu(unsigned long apicid) } return 0; } +#if !defined (CONFIG_CPU_AMD_MODEL_10XXX) && !defined (CONFIG_CPU_AMD_MODEL_14XXX) mdelay(10); +#endif printk(BIOS_SPEW, "Deasserting INIT.\n"); @@ -143,7 +145,11 @@ static int lapic_start_cpu(unsigned long apicid) start_eip = (unsigned long)_secondary_start; #endif +#if !defined (CONFIG_CPU_AMD_MODEL_10XXX) && !defined (CONFIG_CPU_AMD_MODEL_14XXX) num_starts = 2; +#else + num_starts = 1; +#endif /* * Run STARTUP IPI loop. |