soc/intel/apollolake: Add config option for enabling hotplug
PcieRpHotPlug in apollolake UPD is default enabled. This change adds a
config option to enable hotplug only if explicitly requested by
mainboard. This changes the default behavior on all apollolake boards
to have hotplug disabled.
BUG=b:74633273
BRANCH=reef,coral
Change-Id: I572c054d31aaf5d43a79c4b1773ec9356da48d9d
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://review.coreboot.org/25187
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
diff --git a/src/soc/intel/apollolake/chip.c b/src/soc/intel/apollolake/chip.c
index 6006773..af145c0 100644
--- a/src/soc/intel/apollolake/chip.c
+++ b/src/soc/intel/apollolake/chip.c
@@ -534,6 +534,9 @@
memcpy(silconfig->PcieRpClkReqNumber, cfg->pcie_rp_clkreq_pin,
sizeof(silconfig->PcieRpClkReqNumber));
+ memcpy(silconfig->PcieRpHotPlug, cfg->pcie_rp_hotplug_enable,
+ sizeof(silconfig->PcieRpHotPlug));
+
if (cfg->emmc_tx_cmd_cntl != 0)
silconfig->EmmcTxCmdCntl = cfg->emmc_tx_cmd_cntl;
if (cfg->emmc_tx_data_cntl1 != 0)