[coreboot-gerrit] Change in coreboot[master]: soc/intel/cannonlake: Remove SmbusEnable

[Duncan Laurie (Code Review)]

Duncan Laurie has uploaded this change for review. ( https://review.coreboot.org/29552

Change subject: soc/intel/cannonlake: Remove SmbusEnable
......................................................................

soc/intel/cannonlake: Remove SmbusEnable

Remove the SmbusEnable config option from devicetree and instead
use the state of the PCI device to determine if it should be
enabled or disabled.

Change-Id: Id362009e4c8e91699d1ca9bb3c2614e21cfc462a
Signed-off-by: Duncan Laurie 
---
M src/soc/intel/cannonlake/chip.h
M src/soc/intel/cannonlake/romstage/fsp_params.c
2 files changed, 5 insertions(+), 4 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/52/29552/1

diff --git a/src/soc/intel/cannonlake/chip.h b/src/soc/intel/cannonlake/chip.h
index 2deb35f..015133e 100644
--- a/src/soc/intel/cannonlake/chip.h
+++ b/src/soc/intel/cannonlake/chip.h
@@ -166,9 +166,6 @@
     * clksrc. */
    uint8_t PcieClkSrcClkReq[CONFIG_MAX_ROOT_PORTS];

-	/* SMBus */
-	uint8_t SmbusEnable;
-
    /* eMMC and SD */
    uint8_t ScsEmmcHs400Enabled;
    /* Need to update DLL setting to get Emmc running at HS400 speed */
diff --git a/src/soc/intel/cannonlake/romstage/fsp_params.c b/src/soc/intel/cannonlake/romstage/fsp_params.c
index 8506214..8f6fa2f 100644
--- a/src/soc/intel/cannonlake/romstage/fsp_params.c
+++ b/src/soc/intel/cannonlake/romstage/fsp_params.c
@@ -66,6 +66,7 @@
 void platform_fsp_memory_init_params_cb(FSPM_UPD *mupd, uint32_t version)
 {
    const struct device *dev = dev_find_slot(0, PCH_DEVFN_LPC);
+	const struct device *smbus = dev_find_slot(0, PCH_DEVFN_SMBUS);
    assert(dev != NULL);
    const config_t *config = dev->chip_info;
    FSP_M_CONFIG *m_cfg = &mupd->FspmConfig;
@@ -73,7 +74,10 @@
    soc_memory_init_params(m_cfg, config);

/* Enable SMBus controller based on config */
-	m_cfg->SmbusEnable = config->SmbusEnable;
+	if (!smbus)
+		m_cfg->SmbusEnable = 0;
+	else
+		m_cfg->SmbusEnable = smbus->enabled;
    /* Set debug probe type */
    m_cfg->PlatformDebugConsent = config->DebugConsent;