Add subsystem callbacks for VT8237x and VT890 family of chipsets

Change-Id: Id34615f0c229d276d72cdf984cf82ea8cc1a85bb
Signed-off-by: Rudolf Marek <r.marek@assembler.cz>
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Reviewed-on: http://review.coreboot.org/523
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

3 files changed, 41 insertions, 4 deletions

diff --git a/src/southbridge/via/vt8237r/lpc.c b/src/southbridge/via/vt8237r/lpc.c
index cd1064fade..d57d471e45 100644
--- a/src/southbridge/via/vt8237r/lpc.c
+++ b/src/southbridge/via/vt8237r/lpc.c
@@ -639,12 +639,24 @@ static void southbridge_init_common(struct device *dev)
 	init_keyboard(dev);
 }
 
+
+static void vt8237_set_subsystem(device_t dev, unsigned vendor, unsigned device)
+{
+	pci_write_config16(dev, 0x70, vendor);
+	pci_write_config16(dev, 0x72, device);
+}
+
+static struct pci_operations lops_pci = {
+	.set_subsystem = vt8237_set_subsystem,
+};
+
 static const struct device_operations vt8237r_lpc_ops_s = {
 	.read_resources		= vt8237r_read_resources,
 	.set_resources		= pci_dev_set_resources,
 	.enable_resources	= pci_dev_enable_resources,
 	.init			= vt8237s_init,
 	.scan_bus		= scan_static_bus,
+	.ops_pci		= &lops_pci,
 };
 
 static const struct device_operations vt8237r_lpc_ops_r = {
@@ -653,6 +665,7 @@ static const struct device_operations vt8237r_lpc_ops_r = {
 	.enable_resources	= pci_dev_enable_resources,
 	.init			= vt8237r_init,
 	.scan_bus		= scan_static_bus,
+	.ops_pci		= &lops_pci,
 };
 
 static const struct device_operations vt8237r_lpc_ops_a = {
@@ -661,6 +674,7 @@ static const struct device_operations vt8237r_lpc_ops_a = {
 	.enable_resources	= pci_dev_enable_resources,
 	.init			= vt8237a_init,
 	.scan_bus		= scan_static_bus,
+	.ops_pci		= &lops_pci,
 };
 
 static const struct pci_driver lpc_driver_r __pci_driver = {
diff --git a/src/southbridge/via/vt8237r/sata.c b/src/southbridge/via/vt8237r/sata.c
index 777d605a6b..2f07e692fb 100644
--- a/src/southbridge/via/vt8237r/sata.c
+++ b/src/southbridge/via/vt8237r/sata.c
@@ -95,13 +95,24 @@ static void sata_ii_init(struct device *dev)
 	}
 }
 
+
+static void vt8237_set_subsystem(device_t dev, unsigned vendor, unsigned device)
+{
+	pci_write_config16(dev, 0xd4, vendor);
+	pci_write_config16(dev, 0xd6, device);
+}
+
+static struct pci_operations lops_pci = {
+	.set_subsystem = vt8237_set_subsystem,
+};
+
 static const struct device_operations sata_i_ops = {
 	.read_resources		= pci_dev_read_resources,
 	.set_resources		= pci_dev_set_resources,
 	.enable_resources	= pci_dev_enable_resources,
 	.init			= sata_i_init,
 	.enable			= 0,
-	.ops_pci		= 0,
+	.ops_pci		= &lops_pci,
 };
 
 static const struct device_operations sata_ii_ops = {
@@ -110,7 +121,7 @@ static const struct device_operations sata_ii_ops = {
 	.enable_resources	= pci_dev_enable_resources,
 	.init			= sata_ii_init,
 	.enable			= 0,
-	.ops_pci		= 0,
+	.ops_pci		= &lops_pci,
 };
 
 static const struct pci_driver northbridge_driver_ii __pci_driver = {
diff --git a/src/southbridge/via/vt8237r/usb.c b/src/southbridge/via/vt8237r/usb.c
index 2bdcf9d4ba..ac27f4399c 100644
--- a/src/southbridge/via/vt8237r/usb.c
+++ b/src/southbridge/via/vt8237r/usb.c
@@ -158,13 +158,25 @@ static void vt8237_usb_ii_read_resources(struct device *dev)
 	return;
 }
 
+static void vt8237_set_subsystem(device_t dev, unsigned vendor, unsigned device)
+{
+	pci_write_config32(dev, 0x42, pci_read_config32(dev, 0x42) | 0x10);
+	pci_write_config16(dev, 0x2c, vendor);
+	pci_write_config16(dev, 0x2e, device);
+	pci_write_config32(dev, 0x42, pci_read_config32(dev, 0x42) & ~0x10);
+}
+
+static struct pci_operations lops_pci = {
+	.set_subsystem = vt8237_set_subsystem,
+};
+
 static const struct device_operations usb_i_ops = {
 	.read_resources		= vt8237_usb_i_read_resources,
 	.set_resources		= pci_dev_set_resources,
 	.enable_resources	= pci_dev_enable_resources,
 	.init				= usb_i_init,
 	.enable				= 0,
-	.ops_pci			= 0,
+	.ops_pci			= &lops_pci,
 };
 
 static const struct device_operations usb_ii_ops = {
@@ -173,7 +185,7 @@ static const struct device_operations usb_ii_ops = {
 	.enable_resources	= pci_dev_enable_resources,
 	.init				= usb_ii_init,
 	.enable				= 0,
-	.ops_pci			= 0,
+	.ops_pci			= &lops_pci,
 };
 
 static const struct pci_driver vt8237r_driver_usbii __pci_driver = {