Change in coreboot[master]: soc/intel: Allow limiting writes to SMM via CMOS

[Sean Rhodes (Code Review)]

Sean Rhodes has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/61549 )

Change subject: soc/intel: Allow limiting writes to SMM via CMOS
......................................................................

soc/intel: Allow limiting writes to SMM via CMOS

Allow using CMOS setting of "smm_bwp" to limit writes, in addition to the Kconfig
option.

Signed-off-by: Sean Rhodes 
Change-Id: Ibd1078a843258b737fe55a491e2b0b285fcabb03
---
M src/soc/intel/common/pch/lockdown/lockdown.c
1 file changed, 1 insertion(+), 1 deletion(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/49/61549/1

diff --git a/src/soc/intel/common/pch/lockdown/lockdown.c b/src/soc/intel/common/pch/lockdown/lockdown.c
index 5ab0611..167dd02 100644
--- a/src/soc/intel/common/pch/lockdown/lockdown.c
+++ b/src/soc/intel/common/pch/lockdown/lockdown.c
@@ -66,7 +66,7 @@
    	fast_spi_set_bios_interface_lock_down();

/* Only allow writes in SMM */
-		if (CONFIG(BOOTMEDIA_SMM_BWP)) {
+		if (CONFIG(BOOTMEDIA_SMM_BWP) || get_uint_option("smm_bwp", UINT_MAX)) {
    		fast_spi_set_eiss();
    		fast_spi_enable_wp();
    	}