soc/intel/{apollolake, cannonlake, common, skylake}: Add _soc_ prefix in weak function

This patch ensures all soc function name is having _soc_ prefix
in it.

TEST=Able to compile SMM common code for all supported SOC.

Change-Id: Iab1b2f51eaad87906e35dbb9e90272590974e145
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/22973
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

src/soc/intel/apollolake/smihandler.c

@@ -22,7 +22,7 @@
 #include <soc/pci_devs.h>
 #include <soc/pm.h>
 
-int smihandler_disable_busmaster(device_t dev)
+int smihandler_soc_disable_busmaster(device_t dev)
 {
 	if (dev == PCH_DEV_PMC)
 		return 0;
@@ -35,7 +35,7 @@ const struct smm_save_state_ops *get_smm_save_state_ops(void)
 }
 
 /* SMI handlers that should be serviced in SCI mode too. */
-uint32_t smi_handler_get_sci_mask(void)
+uint32_t smihandler_soc_get_sci_mask(void)
 {
 	uint32_t sci_mask =
 		SMI_HANDLER_SCI_EN(APM_SMI_STS) |

src/soc/intel/cannonlake/smihandler.c

@@ -25,7 +25,7 @@ const struct smm_save_state_ops *get_smm_save_state_ops(void)
 	return &em64t101_smm_ops;
 }
 
-void smihandler_check_illegal_access(uint32_t tco_sts)
+void smihandler_soc_check_illegal_access(uint32_t tco_sts)
 {
 	if (!((tco_sts & (1 << 8)) && IS_ENABLED(CONFIG_SPI_FLASH_SMM)
 			&& fast_spi_wpd_status()))
@@ -46,7 +46,7 @@ void smihandler_check_illegal_access(uint32_t tco_sts)
 }
 
 /* SMI handlers that should be serviced in SCI mode too. */
-uint32_t smi_handler_get_sci_mask(void)
+uint32_t smihandler_soc_get_sci_mask(void)
 {
 	uint32_t sci_mask =
 		SMI_HANDLER_SCI_EN(APM_STS_BIT) |

src/soc/intel/common/block/include/intelblocks/smihandler.h

@@ -62,9 +62,6 @@ extern const smi_handler_t southbridge_smi[32];
 
 #define SMI_HANDLER_SCI_EN(__bit)	(1 << (__bit))
 
-/* SMI handlers that should be serviced in SCI mode too. */
-uint32_t smi_handler_get_sci_mask(void);
-
 /*
  * This function should be implemented in SOC specific code to handle
  * the SMI event on SLP_EN. The default functionality is provided in
@@ -143,23 +140,31 @@ void smihandler_southbridge_gpi(
  */
 void smihandler_southbridge_espi(
 	const struct smm_save_state_ops *save_state_ops);
-/*
- * This function returns a 1 or 0 depending on whether disable_busmaster
- * needs to be done for the specified device on S5 entry
- */
-int smihandler_disable_busmaster(device_t dev);
-
-/*
- * SoC needs to implement the mechanism to know if an illegal attempt
- * has been made to write to the BIOS area.
- */
-void smihandler_check_illegal_access(uint32_t tco_sts);
 
 /*
  * Returns gnvs pointer within SMM context
  */
 struct global_nvs_t *smm_get_gnvs(void);
 
+/* SoC overrides. */
+
+/*
+ * This function returns a 1 or 0 depending on whether disable_busmaster
+ * needs to be done for the specified device on S5 entry
+ */
+int smihandler_soc_disable_busmaster(device_t dev);
+
+/* SMI handlers that should be serviced in SCI mode too. */
+uint32_t smihandler_soc_get_sci_mask(void);
+
+/*
+ * SoC needs to implement the mechanism to know if an illegal attempt
+ * has been made to write to the BIOS area.
+ */
+void smihandler_soc_check_illegal_access(uint32_t tco_sts);
+
+/* Mainboard overrides. */
+
 /* Mainboard handler for GPI SMIs */
 void mainboard_smi_gpi_handler(const struct gpi_status *sts);
 

src/soc/intel/common/block/smm/smihandler.c

@@ -2,7 +2,7 @@
  * This file is part of the coreboot project.
  *
  * Copyright (C) 2013 Google Inc.
- * Copyright (C) 2015-2016 Intel Corp.
+ * Copyright (C) 2015-2017 Intel Corp.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -38,13 +38,13 @@ static struct global_nvs_t *gnvs;
 
 /* SoC overrides. */
 
-__attribute__((weak)) int smihandler_disable_busmaster(device_t dev)
+__attribute__((weak)) int smihandler_soc_disable_busmaster(device_t dev)
 {
 	return 1;
 }
 
 /* SMI handlers that should be serviced in SCI mode too. */
-__attribute__((weak)) uint32_t smi_handler_get_sci_mask(void)
+__attribute__((weak)) uint32_t smihandler_soc_get_sci_mask(void)
 {
 	return 0; /* No valid SCI mask for SMI handler */
 }
@@ -53,11 +53,27 @@ __attribute__((weak)) uint32_t smi_handler_get_sci_mask(void)
  * Needs to implement the mechanism to know if an illegal attempt
  * has been made to write to the BIOS area.
  */
-__attribute__((weak)) void smihandler_check_illegal_access(uint32_t tco_sts)
+__attribute__((weak)) void smihandler_soc_check_illegal_access(
+	uint32_t tco_sts)
 {
 	return;
 }
 
+/* Mainboard overrides. */
+
+__attribute__((weak)) void mainboard_smi_gpi_handler(
+	const struct gpi_status *sts)
+{
+	return;
+}
+
+__attribute__((weak)) void mainboard_smi_espi_handler(void)
+{
+	return;
+}
+
+/* Common Functions */
+
 static void *find_save_state(const struct smm_save_state_ops *save_state_ops,
 	int cmd)
 {
@@ -112,7 +128,7 @@ static void busmaster_disable_on_bus(int bus)
 			u32 reg32;
 			device_t dev = PCI_DEV(bus, slot, func);
 
-			if (!smihandler_disable_busmaster(dev))
+			if (!smihandler_soc_disable_busmaster(dev))
 				continue;
 			val = pci_read_config32(dev, PCI_VENDOR_ID);
 
@@ -360,7 +376,7 @@ void smihandler_southbridge_tco(
 	if (!tco_sts)
 		return;
 
-	smihandler_check_illegal_access(tco_sts);
+	smihandler_soc_check_illegal_access(tco_sts);
 
 	if (tco_sts & TCO_TIMEOUT) { /* TIMEOUT */
 		/* Handle TCO timeout */
@@ -381,9 +397,6 @@ void smihandler_southbridge_periodic(
 	printk(BIOS_DEBUG, "Periodic SMI.\n");
 }
 
-void __attribute__((weak))
-mainboard_smi_gpi_handler(const struct gpi_status *sts) { }
-
 void smihandler_southbridge_gpi(
 	const struct smm_save_state_ops *save_state_ops)
 {
@@ -396,8 +409,6 @@ void smihandler_southbridge_gpi(
 	gpi_clear_get_smi_status(&smi_sts);
 }
 
-void __attribute__((weak)) mainboard_smi_espi_handler(void) { }
-
 void smihandler_southbridge_espi(
 	const struct smm_save_state_ops *save_state_ops)
 {
@@ -419,10 +430,10 @@ void southbridge_smi_handler(void)
 	/*
 	 * In SCI mode, execute only those SMI handlers that have
 	 * declared themselves as available for service in that mode
-	 * using smi_handler_get_sci_mask.
+	 * using smihandler_soc_get_sci_mask.
 	 */
 	if (pmc_read_pm1_control() & SCI_EN)
-		smi_sts &= smi_handler_get_sci_mask();
+		smi_sts &= smihandler_soc_get_sci_mask();
 
 	if (!smi_sts)
 		return;

src/soc/intel/skylake/smihandler.c

@@ -25,7 +25,7 @@ const struct smm_save_state_ops *get_smm_save_state_ops(void)
 	return &em64t101_smm_ops;
 }
 
-void smihandler_check_illegal_access(uint32_t tco_sts)
+void smihandler_soc_check_illegal_access(uint32_t tco_sts)
 {
 	if (!((tco_sts & (1 << 8)) && IS_ENABLED(CONFIG_SPI_FLASH_SMM)
 			&& fast_spi_wpd_status()))
@@ -46,7 +46,7 @@ void smihandler_check_illegal_access(uint32_t tco_sts)
 }
 
 /* SMI handlers that should be serviced in SCI mode too. */
-uint32_t smi_handler_get_sci_mask(void)
+uint32_t smihandler_soc_get_sci_mask(void)
 {
 	uint32_t sci_mask =
 		SMI_HANDLER_SCI_EN(APM_STS_BIT) |