diff options
Diffstat (limited to 'src/mainboard/supermicro/x6dhe_g/reset.c')
| -rw-r--r-- | src/mainboard/supermicro/x6dhe_g/reset.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/src/mainboard/supermicro/x6dhe_g/reset.c b/src/mainboard/supermicro/x6dhe_g/reset.c new file mode 100644 index 0000000000..874bfc4848 --- /dev/null +++ b/src/mainboard/supermicro/x6dhe_g/reset.c @@ -0,0 +1,40 @@ +#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_82801ER_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); +} + + |