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authorSubrata Banik <subrata.banik@intel.com>2018-05-17 18:28:26 +0530
committerPatrick Georgi <pgeorgi@google.com>2020-02-25 10:13:08 +0000
commit7e8998466f6b0cfa410af94da41b18859d6379f2 (patch)
tree478fe2a24993025500df34f88b3a38811e27fe42 /src/soc/intel/icelake
parent00b7533629b4b227b182d0edca5ee7275054a03b (diff)
soc/intel/common/block: Move cse common functions into block/cse
This patch cleans soc/intel/{cnl, icl, tgl} by moving common soc code into common/block/cse. Supported SoC can select existing HECI_DISABLE_USING_SMM option to select common cse code block to make heci function disable using sideband interface during SMM mode at preboot envionment. BUG=b:78109109 TEST=Able to make HECI disable in SMM mode successfully without any hang or errors in CNL, ICL and TGL platform. Change-Id: I22a4cc05d3967c7653d2abe2c829b4876516d179 Signed-off-by: Subrata Banik <subrata.banik@intel.com> Signed-off-by: Maulik V Vaghela <maulik.v.vaghela@intel.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/26133 Reviewed-by: V Sowmya <v.sowmya@intel.com> Reviewed-by: Furquan Shaikh <furquan@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc/intel/icelake')
-rw-r--r--src/soc/intel/icelake/smihandler.c40
1 files changed, 1 insertions, 39 deletions
diff --git a/src/soc/intel/icelake/smihandler.c b/src/soc/intel/icelake/smihandler.c
index 5228f5d4a0..6be7b70338 100644
--- a/src/soc/intel/icelake/smihandler.c
+++ b/src/soc/intel/icelake/smihandler.c
@@ -16,49 +16,11 @@
#include <console/console.h>
#include <device/pci_def.h>
#include <intelblocks/cse.h>
-#include <intelblocks/p2sb.h>
-#include <intelblocks/pcr.h>
#include <intelblocks/smihandler.h>
#include <soc/soc_chip.h>
#include <soc/pci_devs.h>
-#include <soc/pcr_ids.h>
#include <soc/pm.h>
-#define CSME0_FBE 0xf
-#define CSME0_BAR 0x0
-#define CSME0_FID 0xb0
-
-static void pch_disable_heci(void)
-{
- struct pcr_sbi_msg msg = {
- .pid = PID_CSME0,
- .offset = 0,
- .opcode = PCR_WRITE,
- .is_posted = false,
- .fast_byte_enable = CSME0_FBE,
- .bar = CSME0_BAR,
- .fid = CSME0_FID
- };
- /* Bit 0: Set to make HECI#1 Function disable */
- uint32_t data32 = 1;
- uint8_t response;
- int status;
-
- /* unhide p2sb device */
- p2sb_unhide();
-
- /* Send SBI command to make HECI#1 function disable */
- status = pcr_execute_sideband_msg(&msg, &data32, &response);
- if (status && response)
- printk(BIOS_ERR, "Fail to make CSME function disable\n");
-
- /* Ensure to Lock SBI interface after this command */
- p2sb_disable_sideband_access();
-
- /* hide p2sb device */
- p2sb_hide();
-}
-
/*
* Specific SOC SMI handler during ramstage finalize phase
*
@@ -73,7 +35,7 @@ void smihandler_soc_at_finalize(void)
config = config_of_soc();
if (!config->HeciEnabled && CONFIG(HECI_DISABLE_USING_SMM))
- pch_disable_heci();
+ heci_disable();
}
const smi_handler_t southbridge_smi[SMI_STS_BITS] = {