VIA southbridge K8T890: Apply un-written naming rules

Use separate Kconfig option to select a driver directory for
build and the specific type of southbridge to support.

Change-Id: I9482d4ea0f0234b9b7ff38144e45022ab95cf3f3
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/685
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>

5 files changed, 34 insertions, 32 deletions

diff --git a/src/southbridge/via/k8t890/Kconfig b/src/southbridge/via/k8t890/Kconfig
index b23b84a554..f6e51dccd1 100644
--- a/src/southbridge/via/k8t890/Kconfig
+++ b/src/southbridge/via/k8t890/Kconfig
@@ -1,25 +1,26 @@
-config SOUTHBRIDGE_VIA_K8M800 #K8M800 not tested
-	bool
-
-config SOUTHBRIDGE_VIA_K8T800_OLD # not tested
-	bool
-
-config SOUTHBRIDGE_VIA_K8T800
-	bool
-
-config SOUTHBRIDGE_VIA_K8T800PRO
-	bool
-
-config SOUTHBRIDGE_VIA_K8M890
-	bool
 
 config SOUTHBRIDGE_VIA_K8T890
 	bool
 
+if SOUTHBRIDGE_VIA_K8T890
+
+config SOUTHBRIDGE_VIA_SUBTYPE_K8M800     # not tested
+	def_bool n
+config SOUTHBRIDGE_VIA_SUBTYPE_K8T800_OLD # not tested, lspci lists B188 and 3188
+	def_bool n
+config SOUTHBRIDGE_VIA_SUBTYPE_K8T800     # lspci lists 0282, 1282, 2282, 3282, and 7282
+	def_bool n
+config SOUTHBRIDGE_VIA_SUBTYPE_K8T800PRO  # lspci lists 0282, 1282, 2282, 3282, and 7282
+	def_bool n
+config SOUTHBRIDGE_VIA_SUBTYPE_K8M890
+	def_bool n
+config SOUTHBRIDGE_VIA_SUBTYPE_K8T890
+	def_bool n
+
 config SOUTHBRIDGE_VIA_K8M890_VGA_EN
 	bool "Enable onboard K8M890 graphics"
 	default y
-	depends on SOUTHBRIDGE_VIA_K8M890
+	depends on SOUTHBRIDGE_VIA_SUBTYPE_K8M890
 	select VGA
 	select GFXUMA
 
@@ -50,3 +51,4 @@ config VIDEO_MB
 	default -1  if K8M890_VIDEO_MB_CMOS
 	depends on SOUTHBRIDGE_VIA_K8M890_VGA_EN
 
+endif # SOUTHBRIDGE_K8T890
diff --git a/src/southbridge/via/k8t890/bridge.c b/src/southbridge/via/k8t890/bridge.c
index ecfdc3567a..5e5287e014 100644
--- a/src/southbridge/via/k8t890/bridge.c
+++ b/src/southbridge/via/k8t890/bridge.c
@@ -33,7 +33,7 @@ static void bridge_enable(struct device *dev)
 	writeback(dev, 0x40, 0x91);
 	writeback(dev, 0x41, 0x40);
 	writeback(dev, 0x43, 0x44);
-#if CONFIG_SOUTHBRIDGE_VIA_K8T800_OLD
+#if CONFIG_SOUTHBRIDGE_VIA_SUBTYPE_K8T800_OLD
 	writeback(dev, 0x42, 0x80);
 	writeback(dev, 0x44, 0x35);
 #else
@@ -49,7 +49,7 @@ static void bridge_enable(struct device *dev)
 	 * (Forward VGA compatible memory and I/O cycles )
 	 */
 
-#if CONFIG_SOUTHBRIDGE_VIA_K8T800_OLD
+#if CONFIG_SOUTHBRIDGE_VIA_SUBTYPE_K8T800_OLD
 	writeback(dev, 0x3e, 0x0a);
 #else
 	writeback(dev, 0x3e, 0x16);
diff --git a/src/southbridge/via/k8t890/ctrl.c b/src/southbridge/via/k8t890/ctrl.c
index 1ff0b744cd..fc851f8007 100644
--- a/src/southbridge/via/k8t890/ctrl.c
+++ b/src/southbridge/via/k8t890/ctrl.c
@@ -51,11 +51,11 @@ void k8x8xx_vt8237r_cfg(struct device *dev, struct device *devsb)
 	pci_write_config8(dev, 0x70, 0xc2);
 
 	/* PCI Control */
-#if !CONFIG_SOUTHBRIDGE_VIA_K8T800_OLD
+#if !CONFIG_SOUTHBRIDGE_VIA_SUBTYPE_K8T800_OLD
 	pci_write_config8(dev, 0x72, 0xee);
 #endif
 	pci_write_config8(dev, 0x73, 0x01);
-#if CONFIG_SOUTHBRIDGE_VIA_K8T800_OLD
+#if CONFIG_SOUTHBRIDGE_VIA_SUBTYPE_K8T800_OLD
 	pci_write_config8(dev, 0x74, 0x64);
 	pci_write_config8(dev, 0x75, 0x3f);
 #else
@@ -63,7 +63,7 @@ void k8x8xx_vt8237r_cfg(struct device *dev, struct device *devsb)
 	pci_write_config8(dev, 0x75, 0x0f);
 #endif
 	pci_write_config8(dev, 0x76, 0x50);
-#if !CONFIG_SOUTHBRIDGE_VIA_K8T800_OLD
+#if !CONFIG_SOUTHBRIDGE_VIA_SUBTYPE_K8T800_OLD
 	pci_write_config8(dev, 0x77, 0x08);
 #endif
 	pci_write_config8(dev, 0x78, 0x01);
@@ -160,7 +160,7 @@ static void ctrl_init(struct device *dev)
 	/* PCI CFG Address bits[27:24] are used as extended register address
 	   bit[11:8] */
 
-#if !CONFIG_SOUTHBRIDGE_VIA_K8T800_OLD
+#if !CONFIG_SOUTHBRIDGE_VIA_SUBTYPE_K8T800_OLD
 	pci_write_config8(dev, 0x47, 0x30);
 #endif
 
diff --git a/src/southbridge/via/k8t890/early_car.c b/src/southbridge/via/k8t890/early_car.c
index da7b4dbb68..5d5f1841a8 100644
--- a/src/southbridge/via/k8t890/early_car.c
+++ b/src/southbridge/via/k8t890/early_car.c
@@ -35,7 +35,7 @@
 /* AMD K8 LDT0, LDT1, LDT2 Link Control Registers */
 static u8 ldtreg[3] = {0x86, 0xa6, 0xc6};
 
-#if CONFIG_SOUTHBRIDGE_VIA_K8T800_OLD
+#if CONFIG_SOUTHBRIDGE_VIA_SUBTYPE_K8T800_OLD
 #define K8X8XX_HT_CFG_BASE 0xc0
 #else
 #define K8X8XX_HT_CFG_BASE 0x60
@@ -53,7 +53,7 @@ u8 k8t890_early_setup_ht(void)
 	u8 cldtwidth_in, cldtwidth_out, vldtwidth_in, vldtwidth_out, ldtnr, width;
 	u16 vldtcaps;
 
-#if !CONFIG_SOUTHBRIDGE_VIA_K8T800_OLD
+#if !CONFIG_SOUTHBRIDGE_VIA_SUBTYPE_K8T800_OLD
 	u8 reg;
 
 	/* hack, enable NVRAM in chipset */
@@ -79,21 +79,21 @@ u8 k8t890_early_setup_ht(void)
 		ldtnr = 2;
 	}
 
-#if CONFIG_SOUTHBRIDGE_VIA_K8M800
+#if CONFIG_SOUTHBRIDGE_VIA_SUBTYPE_K8M800
 	print_debug("K8M800 found at LDT ");
-#elif CONFIG_SOUTHBRIDGE_VIA_K8T800
+#elif CONFIG_SOUTHBRIDGE_VIA_SUBTYPE_K8T800
 	print_debug("K8T800 found at LDT ");
-#elif CONFIG_SOUTHBRIDGE_VIA_K8T800_OLD
+#elif CONFIG_SOUTHBRIDGE_VIA_SUBTYPE_K8T800_OLD
 	print_debug("K8T800_OLD found at LDT ");
 	pci_write_config8(PCI_DEV(0, 0x0, 0), 0x64, 0x00);
 	pci_write_config8(PCI_DEV(0, 0x0, 0), 0xdd, 0x50);
-#elif CONFIG_SOUTHBRIDGE_VIA_K8T800PRO
+#elif CONFIG_SOUTHBRIDGE_VIA_SUBTYPE_K8T800PRO
 	print_debug("K8T800 Pro found at LDT ");
-#elif CONFIG_SOUTHBRIDGE_VIA_K8M890
+#elif CONFIG_SOUTHBRIDGE_VIA_SUBTYPE_K8M890
 	print_debug("K8M890 found at LDT ");
 	/* K8M890 fix HT delay */
 	pci_write_config8(PCI_DEV(0, 0x0, 2), 0xab, 0x22);
-#elif CONFIG_SOUTHBRIDGE_VIA_K8T890
+#elif CONFIG_SOUTHBRIDGE_VIA_SUBTYPE_K8T890
 	print_debug("K8T890 found at LDT ");
 #endif
 	print_debug_hex8(ldtnr);
diff --git a/src/southbridge/via/k8t890/romstrap.inc b/src/southbridge/via/k8t890/romstrap.inc
index a3814b096b..942def5a11 100644
--- a/src/southbridge/via/k8t890/romstrap.inc
+++ b/src/southbridge/via/k8t890/romstrap.inc
@@ -33,7 +33,7 @@ __romstrap_start:
  * Below are some Dev0 Func2 HT control registers values,
  * depending on strap pin, one of below lines is used.
  */
-#if CONFIG_SOUTHBRIDGE_VIA_K8M800 || CONFIG_SOUTHBRIDGE_VIA_K8T800 || CONFIG_SOUTHBRIDGE_VIA_K8T800_OLD
+#if CONFIG_SOUTHBRIDGE_VIA_SUBTYPE_K8M800 || CONFIG_SOUTHBRIDGE_VIA_SUBTYPE_K8T800 || CONFIG_SOUTHBRIDGE_VIA_SUBTYPE_K8T800_OLD
 
 tblpointer:
 .long 0x50220000, 0X619707C2
@@ -52,7 +52,7 @@ tblpointer:
 .long 0x0
 .long 0x0
 
-#elif CONFIG_SOUTHBRIDGE_VIA_K8M890
+#elif CONFIG_SOUTHBRIDGE_VIA_SUBTYPE_K8M890
 
 tblpointer:
 .long 0x504400FF, 0x61970FC2	//;200M
@@ -72,7 +72,7 @@ tblpointer:
 .long 0x0
 
 
-#elif CONFIG_SOUTHBRIDGE_VIA_K8T890
+#elif CONFIG_SOUTHBRIDGE_VIA_SUBTYPE_K8T890
 
 tblpointer:
 .long 0x504400AA, 0x61970FC2	//;200M