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authorSubrata Banik <subrata.banik@intel.com>2018-05-28 17:38:12 +0530
committerSubrata Banik <subrata.banik@intel.com>2018-06-05 15:51:51 +0000
commit986d5c90a51f21ff8f229288ad80dab968a022b9 (patch)
tree05e6476f6aee019fc80068cce0b90a7b6142f76e /src/soc
parent925ea51e4c9b04b84aa35a44644f4a123bc9a3ee (diff)
downloadcoreboot-986d5c90a51f21ff8f229288ad80dab968a022b9.tar.xz
soc/intel/{apollolake, geminilake}: Add option to skip coreboot MP init
This patch provides option for mainboard to skip coreboot MP initialization if required based on use_fsp_mp_init. Option for mainboard to skip coreboot MP initialization * 0 = Make use of coreboot MP Init * 1 = Make use of FSP MP Init Default coreboot does MP initialization for APL and GLK. Change-Id: I9253af6f28bf694782c117296766fd8564dc2b14 Signed-off-by: Subrata Banik <subrata.banik@intel.com> Reviewed-on: https://review.coreboot.org/26643 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src/soc')
-rw-r--r--src/soc/intel/apollolake/chip.c2
-rw-r--r--src/soc/intel/apollolake/chip.h7
2 files changed, 8 insertions, 1 deletions
diff --git a/src/soc/intel/apollolake/chip.c b/src/soc/intel/apollolake/chip.c
index 24c7a599e5..31b6b1747f 100644
--- a/src/soc/intel/apollolake/chip.c
+++ b/src/soc/intel/apollolake/chip.c
@@ -614,7 +614,7 @@ void platform_fsp_silicon_init_params_cb(FSPS_UPD *silupd)
if (!IS_ENABLED(CONFIG_SOC_INTEL_GLK))
silconfig->MonitorMwaitEnable = 0;
- silconfig->SkipMpInit = 1;
+ silconfig->SkipMpInit = !cfg->use_fsp_mp_init;
/* Disable setting of EISS bit in FSP. */
silconfig->SpiEiss = 0;
diff --git a/src/soc/intel/apollolake/chip.h b/src/soc/intel/apollolake/chip.h
index 63ced94cd5..af465df111 100644
--- a/src/soc/intel/apollolake/chip.h
+++ b/src/soc/intel/apollolake/chip.h
@@ -152,6 +152,13 @@ struct soc_intel_apollolake_config {
* (1) Power
* (2) Power & Performance */
enum pnp_settings pnp_settings;
+
+ /*
+ * Option for mainboard to skip coreboot MP initialization
+ * 0 = Make use of coreboot MP Init
+ * 1 = Make use of FSP MP Init
+ */
+ uint8_t use_fsp_mp_init;
};
typedef struct soc_intel_apollolake_config config_t;