intel/fsp_baytrail: Define PCH_DEV_SLOT_I2C1

Change-Id: I02c08b847fa1523e3296bdf9e3db5a7a322df72e
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/35733
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Werner Zeh <werner.zeh@siemens.com>
diff --git a/src/soc/intel/fsp_baytrail/i2c.c b/src/soc/intel/fsp_baytrail/i2c.c
index 3ea91e3..5f6ca467 100644
--- a/src/soc/intel/fsp_baytrail/i2c.c
+++ b/src/soc/intel/fsp_baytrail/i2c.c
@@ -117,7 +117,7 @@
 
 	base_ptr = (char*)base_adr[bus];
 	/* Set the I2C-device the user wants to use */
-	dev = pcidev_on_root(I2C1_DEV, bus + 1);
+	dev = pcidev_on_root(PCH_DEV_SLOT_I2C1, bus + 1);
 
 	/* Ensure we have the right PCI device */
 	if ((pci_read_config16(dev, 0x0) != I2C_PCI_VENDOR_ID) ||
@@ -174,7 +174,7 @@
 	int stat;
 
 	/* Get base address of desired I2C-controller */
-	dev = pcidev_on_root(I2C1_DEV, bus + 1);
+	dev = pcidev_on_root(PCH_DEV_SLOT_I2C1, bus + 1);
 	base_ptr = (char *)pci_read_config32(dev, PCI_BASE_ADDRESS_0);
 	if (base_ptr == NULL) {
 		printk(BIOS_INFO, "I2C: Invalid Base address\n");
@@ -233,7 +233,7 @@
 	int stat;
 
 	/* Get base address of desired I2C-controller */
-	dev = pcidev_on_root(I2C1_DEV, bus + 1);
+	dev = pcidev_on_root(PCH_DEV_SLOT_I2C1, bus + 1);
 	base_ptr = (char *)pci_read_config32(dev, PCI_BASE_ADDRESS_0);
 	if (base_ptr == NULL) {
 		return I2C_ERR_INVALID_ADR;
diff --git a/src/soc/intel/fsp_baytrail/include/soc/pci_devs.h b/src/soc/intel/fsp_baytrail/include/soc/pci_devs.h
index 00ff268..5e5b807 100644
--- a/src/soc/intel/fsp_baytrail/include/soc/pci_devs.h
+++ b/src/soc/intel/fsp_baytrail/include/soc/pci_devs.h
@@ -110,6 +110,8 @@
 # define SOC_DEVFN_I2C6 PCI_DEVFN(I2C6_DEV,I2C6_FUNC)
 # define SOC_DEVFN_I2C7 PCI_DEVFN(I2C7_DEV,I2C7_FUNC)
 
+#define PCH_DEV_SLOT_I2C1 I2C1_DEV
+
 /* Trusted Execution Engine */
 #define TXE_DEV 0x1a
 #define TXE_FUNC 0