soc/intel/common: Rename cse_is_hfs3_fw_sku_custom()

Rename cse_is_hfs3_fw_sku_custom() to cse_is_hfs3_fw_sku_lite() and
rename custom_bp.c to cse_lite.c. Also, rename all CSE Custom SKU
references to CSE Lite SKU.

TEST=Verified on hatch

Signed-off-by: Sridhar Siricilla <sridhar.siricilla@intel.com>
Change-Id: I20654bc14f0da8d21e31a4183df7a2e34394f34e
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41341
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-by: Rizwan Qureshi <rizwan.qureshi@intel.com>
Reviewed-by: V Sowmya <v.sowmya@intel.com>
diff --git a/src/soc/intel/common/block/cse/Kconfig b/src/soc/intel/common/block/cse/Kconfig
index e566ddd..9f09d89 100644
--- a/src/soc/intel/common/block/cse/Kconfig
+++ b/src/soc/intel/common/block/cse/Kconfig
@@ -13,9 +13,9 @@
 	  Use this config to include common CSE block to make HECI function
 	  disable in SMM mode
 
-config SOC_INTEL_CSE_CUSTOM_SKU
+config SOC_INTEL_CSE_LITE_SKU
 	bool
 	default n
 	depends on CHROMEOS
 	help
-	 Enables CSE Custom SKU
+	 Enables CSE Lite SKU
diff --git a/src/soc/intel/common/block/cse/Makefile.inc b/src/soc/intel/common/block/cse/Makefile.inc
index 418b7a2..30ff66b 100644
--- a/src/soc/intel/common/block/cse/Makefile.inc
+++ b/src/soc/intel/common/block/cse/Makefile.inc
@@ -1,5 +1,5 @@
 bootblock-$(CONFIG_SOC_INTEL_COMMON_BLOCK_CSE) += cse.c
 romstage-$(CONFIG_SOC_INTEL_COMMON_BLOCK_CSE) += cse.c
 ramstage-$(CONFIG_SOC_INTEL_COMMON_BLOCK_CSE) += cse.c
-ramstage-$(CONFIG_SOC_INTEL_CSE_CUSTOM_SKU) += custom_bp.c
+ramstage-$(CONFIG_SOC_INTEL_CSE_LITE_SKU) += cse_lite.c
 smm-$(CONFIG_SOC_INTEL_COMMON_BLOCK_HECI_DISABLE_IN_SMM) += disable_heci.c
diff --git a/src/soc/intel/common/block/cse/cse.c b/src/soc/intel/common/block/cse/cse.c
index 0aa688dc..fecc71e 100644
--- a/src/soc/intel/common/block/cse/cse.c
+++ b/src/soc/intel/common/block/cse/cse.c
@@ -258,11 +258,11 @@
 	return cse_check_hfs1_com(ME_HFS1_COM_SOFT_TEMP_DISABLE);
 }
 
-bool cse_is_hfs3_fw_sku_custom(void)
+bool cse_is_hfs3_fw_sku_lite(void)
 {
 	union me_hfsts3 hfs3;
 	hfs3.data = me_read_config32(PCI_ME_HFSTS3);
-	return hfs3.fields.fw_sku == ME_HFS3_FW_SKU_CUSTOM;
+	return hfs3.fields.fw_sku == ME_HFS3_FW_SKU_LITE;
 }
 
 /* Makes the host ready to communicate with CSE */
@@ -600,7 +600,7 @@
 	 *  - CSE's current working state is Normal and current operation mode is Normal.
 	 *  - (or) CSE's current working state is normal and current operation mode can
 	 *    be Soft Temp Disable or Security Override Mode if CSE's Firmware SKU is
-	 *    Custom.
+	 *    Lite.
 	 */
 	if (!cse_is_hfs1_cws_normal())
 		return false;
@@ -608,7 +608,7 @@
 	if (cse_is_hfs1_com_normal())
 		return true;
 
-	if (cse_is_hfs3_fw_sku_custom()) {
+	if (cse_is_hfs3_fw_sku_lite()) {
 		if (cse_is_hfs1_com_soft_temp_disable() || cse_is_hfs1_com_secover_mei_msg())
 			return true;
 	}
@@ -669,7 +669,7 @@
 	 * Allow sending HMRFPO ENABLE command only if:
 	 *  - CSE's current working state is Normal and current operation mode is Normal
 	 *  - (or) cse's current working state is normal and current operation mode is
-	 *    Soft Temp Disable if CSE's Firmware SKU is Custom
+	 *    Soft Temp Disable if CSE's Firmware SKU is Lite
 	 */
 	if (!cse_is_hfs1_cws_normal())
 		return false;
@@ -677,7 +677,7 @@
 	if (cse_is_hfs1_com_normal())
 		return true;
 
-	if (cse_is_hfs3_fw_sku_custom() && cse_is_hfs1_com_soft_temp_disable())
+	if (cse_is_hfs3_fw_sku_lite() && cse_is_hfs1_com_soft_temp_disable())
 		return true;
 
 	return false;
@@ -818,10 +818,10 @@
 		return;
 
 	/*
-	 * Ignore if ME Firmware SKU type is custom since
+	 * Ignore if ME Firmware SKU type is Lite since
 	 * print_boot_partition_info() logs RO(BP1) and RW(BP2) versions.
 	 */
-	if (cse_is_hfs3_fw_sku_custom())
+	if (cse_is_hfs3_fw_sku_lite())
 		return;
 
 	/*
diff --git a/src/soc/intel/common/block/cse/custom_bp.c b/src/soc/intel/common/block/cse/cse_lite.c
similarity index 95%
rename from src/soc/intel/common/block/cse/custom_bp.c
rename to src/soc/intel/common/block/cse/cse_lite.c
index 14adb21..9e154f4 100644
--- a/src/soc/intel/common/block/cse/custom_bp.c
+++ b/src/soc/intel/common/block/cse/cse_lite.c
@@ -10,16 +10,16 @@
 #define GET_BP_STR(bp_index) (bp_index ? "RW" : "RO")
 
 /*
- * CSE Firmware supports 3 boot partitions. For CSE Custom SKU, only 2 boot partitions are
+ * CSE Firmware supports 3 boot partitions. For CSE Lite SKU, only 2 boot partitions are
  * used and 3rd boot partition is set to BP_STATUS_PARTITION_NOT_PRESENT.
- * CSE Custom SKU Image Layout:
+ * CSE Lite SKU Image Layout:
  * -------------    -------------------    ---------------------
  * |CSE REGION | => | RO |  RW | DATA | => | BP1 | BP2  | DATA |
  *  -------------   -------------------    ---------------------
  */
 #define CSE_MAX_BOOT_PARTITIONS 3
 
-/* CSE Custom SKU's valid bootable partition identifiers */
+/* CSE Lite SKU's valid bootable partition identifiers */
 enum boot_partition_id {
 	/* RO(BP1) contains recovery/minimal boot FW */
 	RO = 0,
@@ -299,9 +299,9 @@
 		return;
 	}
 
-	/* If CSE SKU type is not Custom, skip enabling CSE Custom SKU */
-	if (!cse_is_hfs3_fw_sku_custom()) {
-		printk(BIOS_ERR, "cse_bp: Not a CSE Custom SKU\n");
+	/* If CSE SKU type is not Lite, skip enabling CSE Lite SKU */
+	if (!cse_is_hfs3_fw_sku_lite()) {
+		printk(BIOS_ERR, "cse_bp: Not a CSE Lite SKU\n");
 		return;
 	}
 
diff --git a/src/soc/intel/common/block/include/intelblocks/cse.h b/src/soc/intel/common/block/include/intelblocks/cse.h
index 588d3eb..9f85730 100644
--- a/src/soc/intel/common/block/include/intelblocks/cse.h
+++ b/src/soc/intel/common/block/include/intelblocks/cse.h
@@ -40,7 +40,7 @@
 /* ME Firmware SKU Types */
 #define ME_HFS3_FW_SKU_CONSUMER	0x2
 #define ME_HFS3_FW_SKU_CORPORATE	0x3
-#define ME_HFS3_FW_SKU_CUSTOM	0x5
+#define ME_HFS3_FW_SKU_LITE	0x5
 
 /* HFSTS register offsets in PCI config space */
 enum {
@@ -201,10 +201,10 @@
 bool cse_is_hfs1_com_soft_temp_disable(void);
 
 /*
- * Checks CSE's Firmware SKU is Custom or not.
- * Returns true if CSE's Firmware SKU is Custom, otherwise false
+ * Checks CSE's Firmware SKU is Lite or not.
+ * Returns true if CSE's Firmware SKU is Lite, otherwise false
  */
-bool cse_is_hfs3_fw_sku_custom(void);
+bool cse_is_hfs3_fw_sku_lite(void);
 
 /*
  * Polls for CSE's current operation mode 'Soft Temp Disable'.
@@ -213,7 +213,7 @@
 uint8_t cse_wait_com_soft_temp_disable(void);
 
 /*
- * The CSE Custom SKU supports notion of RO and RW boot partitions. The function will set
+ * The CSE Lite SKU supports notion of RO and RW boot partitions. The function will set
  * CSE's boot partition as per Chrome OS boot modes. In normal mode, the function allows CSE to
  * boot from RW and triggers recovery mode if CSE fails to jump to RW.
  * In software triggered recovery mode, the function allows CSE to boot from whatever is