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Add an IOCTL to send mailbox commands to PUNIT using PUNIT MSRs for mailbox. Some CPU models don't have PCI device, so need to use MSRs. A limited set of mailbox commands can be sent to PUNIT. This MMIO interface is used by the intel-speed-select tool under tools/x86/power to enumerate and control Intel Speed Select features. The MBOX commands ids and semantics of the message can be checked from the source code of the tool. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> |
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chrome | ||
goldfish | ||
mellanox | ||
mips | ||
olpc | ||
x86 | ||
Kconfig | ||
Makefile |