diff options
Diffstat (limited to 'tools/quick_dump')
| -rw-r--r-- | tools/quick_dump/chipset.i | 2 | ||||
| -rwxr-xr-x | tools/quick_dump/reg_access.py | 23 |
2 files changed, 25 insertions, 0 deletions
diff --git a/tools/quick_dump/chipset.i b/tools/quick_dump/chipset.i index e1f262d4..36e7f4cd 100644 --- a/tools/quick_dump/chipset.i +++ b/tools/quick_dump/chipset.i @@ -12,6 +12,7 @@ extern int intel_register_access_init(struct pci_device *pci_dev, int safe); extern uint32_t intel_register_read(uint32_t reg); extern uint32_t intel_register_write(uint32_t reg, uint32_t val); extern void intel_register_access_fini(); +extern int intel_register_access_needs_wake(); extern unsigned short pcidev_to_devid(struct pci_device *pci_dev); %} @@ -23,4 +24,5 @@ extern int intel_register_access_init(struct pci_device *pci_dev, int safe); extern uint32_t intel_register_read(uint32_t reg); extern uint32_t intel_register_write(uint32_t reg, uint32_t val); extern void intel_register_access_fini(); +extern int intel_register_access_needs_wake(); extern unsigned short pcidev_to_devid(struct pci_device *pci_dev); diff --git a/tools/quick_dump/reg_access.py b/tools/quick_dump/reg_access.py index e064c99c..b7f3100d 100755 --- a/tools/quick_dump/reg_access.py +++ b/tools/quick_dump/reg_access.py @@ -9,12 +9,35 @@ def read(reg): def write(reg, val): chipset.intel_register_write(reg, val) +def gen6_forcewake_get(): + write(0xa18c, 0x1) + read("0xa180") + +def mt_forcewake_get(): + write(0xa188, 0x10001) + read("0xa180") + +def vlv_forcewake_get(): + write(0x1300b0, 0x10001) + read("0x1300b4") + +# don't be clever, just try all possibilities +def get_wake(): + gen6_forcewake_get() + mt_forcewake_get() + vlv_forcewake_get() + def init(): pci_dev = chipset.intel_get_pci_device() ret = chipset.intel_register_access_init(pci_dev, 0) if ret != 0: print("Register access init failed"); return False + + if chipset.intel_register_access_needs_wake(): + print("Forcing forcewake. Don't expect your system to work after this.") + get_wake() + return True if __name__ == "__main__": |