soc/intel/{icl.tgl,jsl}: Remove SMRAM register programming

SA SMRAMC register PCI offset 0x88 is deprecated for ICL, JSL and TGL.
Removing the register programming for these platforms. The write to
this register does not take effect and remains configured to 0, even
when programmed.

Signed-off-by: Aamir Bohra <aamir.bohra@intel.com>
Change-Id: I3f581b90ea99012980f439a7914e8d901585b004
Reviewed-on: https://review.coreboot.org/c/coreboot/+/44060
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>

1 files changed, 0 insertions, 13 deletions

diff --git a/src/soc/intel/tigerlake/smmrelocate.c b/src/soc/intel/tigerlake/smmrelocate.c
index 664ea6cfe4..bbdcb68b10 100644
--- a/src/soc/intel/tigerlake/smmrelocate.c
+++ b/src/soc/intel/tigerlake/smmrelocate.c
@@ -17,7 +17,6 @@
 #include <soc/msr.h>
 #include <soc/pci_devs.h>
 #include <soc/soc_chip.h>
-#include <soc/systemagent.h>
 
 static void update_save_state(int cpu, uintptr_t curr_smbase,
 				uintptr_t staggered_smbase,
@@ -233,15 +232,3 @@ void smm_relocate(void)
 	else if (!boot_cpu())
 		smm_initiate_relocation();
 }
-
-void smm_lock(void)
-{
-	struct device *sa_dev = pcidev_path_on_root(SA_DEVFN_ROOT);
-	/*
-	 * LOCK the SMM memory window and enable normal SMM.
-	 * After running this function, only a full reset can
-	 * make the SMM registers writable again.
-	 */
-	printk(BIOS_DEBUG, "Locking SMM.\n");
-	pci_write_config8(sa_dev, SMRAM, D_LCK | G_SMRAME | C_BASE_SEG);
-}