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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
This commit is contained in:
Sven Schnelle 2011-02-28 18:09:58 +00:00
parent b671172320
commit d175f44139
1 changed files with 17 additions and 0 deletions
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17
src/southbridge/ricoh/rl5c476/rl5c476.c
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@ -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 = {