diff options
| author | Subrata Banik <subrata.banik@intel.com> | 2021-07-28 15:38:32 +0530 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2021-11-29 09:45:14 +0000 |
| commit | 9f91ced9ddaeed6730e53954260d82f665269cb0 (patch) | |
| tree | 5d769503d148cd45ed3e48b8e8ef77298184e147 /src/cpu | |
| parent | 561a2afc1859e6f67f1fc337834a6f0d7ec0c858 (diff) | |
cpu/x86: Rename X86_AMD_INIT_SIPI to X86_INIT_NEED_1_SIPI
This patch renames X86_AMD_INIT_SIPI Kconfig to leverage
the same logic (to skip 2nd SIPI and reduce delay between
INIT and SIPI while perform AP initialization) even on
newer Intel platform.
Change-Id: I7a4e6a8b1edc6e8ba43597259bd8b2de697e4e62
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/56651
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/cpu')
| -rw-r--r-- | src/cpu/x86/Kconfig | 8 | ||||
| -rw-r--r-- | src/cpu/x86/mp_init.c | 2 |
2 files changed, 5 insertions, 5 deletions
diff --git a/src/cpu/x86/Kconfig b/src/cpu/x86/Kconfig index 44c9cb6f17..693b8020be 100644 --- a/src/cpu/x86/Kconfig +++ b/src/cpu/x86/Kconfig @@ -164,15 +164,15 @@ config X86_AMD_FIXED_MTRRS This option informs the MTRR code to use the RdMem and WrMem fields in the fixed MTRR MSRs. -config X86_AMD_INIT_SIPI +config X86_INIT_NEED_1_SIPI bool default n help This option limits the number of SIPI signals sent during during the common AP setup. Intel documentation specifies an INIT SIPI SIPI - sequence, however this doesn't work on some AMD platforms. These - newer AMD platforms don't need the 10ms wait between INIT and SIPI, - so skip that too to save some time. + sequence, however this doesn't work on some AMD and Intel platforms. + These newer AMD and Intel platforms don't need the 10ms wait between + INIT and SIPI, so skip that too to save some time. config SOC_SETS_MSRS bool diff --git a/src/cpu/x86/mp_init.c b/src/cpu/x86/mp_init.c index c99732fb39..9b5c23036f 100644 --- a/src/cpu/x86/mp_init.c +++ b/src/cpu/x86/mp_init.c @@ -469,7 +469,7 @@ static enum cb_err start_aps(struct bus *cpu_bus, int ap_count, atomic_t *num_ap /* Send INIT IPI to all but self. */ lapic_send_ipi(LAPIC_DEST_ALLBUT | LAPIC_INT_ASSERT | LAPIC_DM_INIT, 0); - if (!CONFIG(X86_AMD_INIT_SIPI)) { + if (!CONFIG(X86_INIT_NEED_1_SIPI)) { printk(BIOS_DEBUG, "Waiting for 10ms after sending INIT.\n"); mdelay(10); |