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| author | Sven Schnelle <svens@stackframe.org> | 2011-02-28 18:09:58 +0000 |
|---|---|---|
| committer | Sven Schnelle <svens@stackframe.org> | 2011-02-28 18:09:58 +0000 |
| commit | d175f44139d07d07db3595658d02adcd3e4090c4 (patch) | |
| tree | 951c050550122b6806faabd88028d61ba426d9a6 /src/southbridge | |
| parent | b6711723208e35451f1f65910a50e8c2a3f6eb3b (diff) | |
| download | coreboot-d175f44139d07d07db3595658d02adcd3e4090c4.tar.xz | |
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
Diffstat (limited to 'src/southbridge')
| -rw-r--r-- | src/southbridge/ricoh/rl5c476/rl5c476.c | 17 |
1 files changed, 17 insertions, 0 deletions
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 = { |