add functions to set Subsystem Vendor/Device to rl5c746

Signed-off-by: Sven Schnelle <svens@stackframe.org>
Acked-by: Peter Stuge <peter@stuge.se>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6412 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

diff --git a/src/southbridge/ricoh/rl5c476/rl5c476.c b/src/southbridge/ricoh/rl5c476/rl5c476.c
index 0c8916b742fdadcc47869814d84d94b5149427e1..0efcafa36c89278d1c20f9bd58844b694c89709c 100644 (file)
--- a/src/southbridge/ricoh/rl5c476/rl5c476.c
+++ b/src/southbridge/ricoh/rl5c476/rl5c476.c
@@ -198,12 +198,29 @@ static void rl5c476_set_resources(device_t dev)
 
 }
 
+static void rl5c476_set_subsystem(device_t dev, unsigned vendor, unsigned device)
+{
+       u16 miscreg = pci_read_config16(dev, 0x82);
+       /* Enable subsystem id register writes */
+       pci_write_config16(dev, 0x82, miscreg | 0x40);
+
+       pci_write_config16(dev, 0x40, vendor);
+       pci_write_config16(dev, 0x42, device);
+       /* restore original contents */
+       pci_write_config16(dev, 0x82, miscreg);
+}
+
+static struct pci_operations rl5c476_pci_ops = {
+       .set_subsystem    = rl5c476_set_subsystem,
+};
+
 static struct device_operations ricoh_rl5c476_ops = {
        .read_resources   = rl5c476_read_resources,
        .set_resources    = rl5c476_set_resources,
        .enable_resources = cardbus_enable_resources,
        .init             = rl5c476_init,
        .scan_bus         = pci_scan_bridge,
+       .ops_pci          = &rl5c476_pci_ops,
 };
 
 static const struct pci_driver ricoh_rl5c476_driver __pci_driver = {