sravan/system76-coreboot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

break the tree really quick due to svn restrictions, next commit fill fix it

Browse Source 
again.



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2240 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Stefan Reinauer
2006-04-06 21:37:10 +00:00
parent 44f72eb3a3
commit 966d0e6d70
43 changed files with 136 additions and 1042 deletions
Download Patch File Download Diff File Expand all files Collapse all files

66
src/southbridge/intel/i82801er/i82801er.c
View File

@@ -1,66 +0,0 @@
#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include "i82801er.h"
void i82801er_enable(device_t dev)
{
unsigned int index = 0;
uint8_t bHasDisableBit = 0;
uint16_t cur_disable_mask, new_disable_mask;
// all 82801er devices are in bus 0
unsigned int devfn = PCI_DEVFN(0x1f, 0); // lpc
device_t lpc_dev = dev_find_slot(0, devfn); // 0
if (!lpc_dev)
return;
// Calculate disable bit position for specified device:function
// NOTE: For ICH-5, only the following devices can be disabled:
// D31: F0, F1, F2, F3, F5, F6,
// D29: F0, F1, F2, F3, F7
if (PCI_SLOT(dev->path.u.pci.devfn) == 31) {
index = PCI_FUNC(dev->path.u.pci.devfn);
switch (index) {
case 0:
case 1:
case 2:
case 3:
case 5:
case 6:
bHasDisableBit = 1;
break;
default:
break;
};
if (index == 0)
index = 14; // D31:F0 bit is an exception
} else if (PCI_SLOT(dev->path.u.pci.devfn) == 29) {
index = 8 + PCI_FUNC(dev->path.u.pci.devfn);
if ((PCI_FUNC(dev->path.u.pci.devfn) < 4) || (PCI_FUNC(dev->path.u.pci.devfn) == 7))
bHasDisableBit = 1;
}
if (bHasDisableBit) {
cur_disable_mask = pci_read_config16(lpc_dev, FUNC_DIS);
new_disable_mask = cur_disable_mask & ~(1<<index); // enable it
if (!dev->enabled) {
new_disable_mask |= (1<<index); // disable it
}
if (new_disable_mask != cur_disable_mask) {
pci_write_config16(lpc_dev, FUNC_DIS, new_disable_mask);
}
}
}
struct chip_operations southbridge_intel_i82801er_ops = {
CHIP_NAME("Intel 82801er Southbridge")
.enable_dev = i82801er_enable,
};