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Building good linuxbios for both matsonic and winfast

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This commit is contained in:
Ronald G. Minnich 2000-10-27 23:23:24 +00:00
commit 142242920d
1 changed files with 7 additions and 2 deletions
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9
src/northsouthbridge/sis/630/southbridge.c
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@ -43,18 +43,23 @@ void nvram_on()
pcidev = pci_find_device(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_503, (void *)NULL);
if (pcidev != NULL) {
/* Enable FFF80000 to FFFFFFFF decode */
pci_write_config_byte(pcidev, 0x40, 0x33);
pci_write_config_byte(pcidev, 0x40, 0x3);
/* Flash can be flashed */
pci_write_config_byte(pcidev, 0x45, 0x40);
}
printk(KERN_INFO "Enabled in SIS 503 regs 0x40 and 0x45\n");
}
printk(KERN_INFO "Now try to turn off shadow\n");
/* turn off nvram shadow in 0xc0000 ~ 0xfffff */
pcidev = pci_find_device(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_630, (void *)NULL);
printk(KERN_INFO "device for SiS 630 is 0x%x\n", pcidev);
if (pcidev != NULL) {
/* read cycle goes to System Memory */
pci_write_config_word(pcidev, 0x70, 0x1fff);
/* write cycle goest to System Memory */
pci_write_config_word(pcidev, 0x72, 0x1fff);
printk(KERN_INFO "Shadow memory disabled in SiS 630\n");
}
}