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/*
* Copyright 2004 Tyan Computer
* by yhlu@tyan.com
*/
#if HT_CHAIN_END_UNITID_BASE < HT_CHAIN_UNITID_BASE
#define CK804_DEVN_BASE HT_CHAIN_END_UNITID_BASE
#else
#define CK804_DEVN_BASE HT_CHAIN_UNITID_BASE
#endif
static void ck804_enable_rom(void)
{
unsigned char byte;
device_t addr;
/* Enable 4MB ROM access at 0xFFC00000 - 0xFFFFFFFF. */
/* Locate the ck804 LPC. */
addr = PCI_DEV(0, (CK804_DEVN_BASE + 1), 0);
/* Set the 4MB enable bit. */
byte = pci_read_config8(addr, 0x88);
byte |= 0x80;
pci_write_config8(addr, 0x88, byte);
}
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