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soc/common/lockdown: Guard sa_lock_pam 

Guard sa_lock_pam with PAM0_REGISTER so it doesn't run on platforms
that don't select this.

Signed-off-by: Sean Rhodes <sean@starlabs.systems>
Change-Id: I5055d09c634851e9f869ab0b67a7bcab130f928c
Reviewed-on: https://review.coreboot.org/c/coreboot/+/66492
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Sean Rhodes 2022-08-07 20:59:57 +01:00 committed by Felix Held
parent 026f00476e
commit 9a3e9a495c
2 changed files with 7 additions and 1 deletions
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6
src/soc/intel/common/block/systemagent/Kconfig
View File

@ -31,4 +31,10 @@ config ACPI_BERT_SIZE
Specify the amount of DRAM reserved for gathering the data used to Specify the amount of DRAM reserved for gathering the data used to
generate the ACPI table. generate the ACPI table.
config HAVE_PAM0_REGISTER
bool
default y
help
Specify if the SOC has a PAM0 register
endif endif

2
src/soc/intel/common/block/systemagent/systemagent.c
View File

@ -305,7 +305,7 @@ void enable_power_aware_intr(void)
void sa_lock_pam(void) void sa_lock_pam(void)
{ {
const struct device *dev = pcidev_path_on_root(SA_DEVFN_ROOT); const struct device *dev = pcidev_path_on_root(SA_DEVFN_ROOT);
if (!dev) if (!CONFIG(HAVE_PAM0_REGISTER) || !dev)
return; return;
pci_or_config8(dev, PAM0, PAM_LOCK); pci_or_config8(dev, PAM0, PAM_LOCK);