From d175f44139d07d07db3595658d02adcd3e4090c4 Mon Sep 17 00:00:00 2001 From: Sven Schnelle Date: Mon, 28 Feb 2011 18:09:58 +0000 Subject: add functions to set Subsystem Vendor/Device to rl5c746 Signed-off-by: Sven Schnelle Acked-by: Peter Stuge git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6412 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1 --- src/southbridge/ricoh/rl5c476/rl5c476.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) (limited to 'src/southbridge/ricoh') diff --git a/src/southbridge/ricoh/rl5c476/rl5c476.c b/src/southbridge/ricoh/rl5c476/rl5c476.c index 0c8916b742..0efcafa36c 100644 --- 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 = { -- cgit v1.2.3