blob: 1d7f5a33018fe55e19b63e1fa48988c5086b3703 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
#include <arch/io.h>
#include <device/pci_def.h>
#include <device/pci_ids.h>
#ifndef __ROMCC__
#include <device/device.h>
#define PCI_ID(VENDOR_ID, DEVICE_ID) \
((((DEVICE_ID) & 0xFFFF) << 16) | ((VENDOR_ID) & 0xFFFF))
#define PCI_DEV_INVALID 0
static inline device_t pci_locate_device(unsigned pci_id, device_t from)
{
return dev_find_device(pci_id >> 16, pci_id & 0xffff, from);
}
#endif
void soft_reset(void)
{
outb(0x04, 0xcf9);
}
void hard_reset(void)
{
outb(0x02, 0xcf9);
outb(0x06, 0xcf9);
}
void full_reset(void)
{
device_t dev;
/* Enable power on after power fail... */
dev = pci_locate_device(PCI_ID(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_6300ESB_ISA), 0);
if (dev != PCI_DEV_INVALID) {
unsigned byte;
byte = pci_read_config8(dev, 0xa4);
byte &= 0xfe;
pci_write_config8(dev, 0xa4, byte);
}
outb(0x0e, 0xcf9);
}
|
