platform/x86/amd/pmc: Add PMFW command id to support S2D force flush

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Recent PMFW have the capability that can force flush the FIFO
contents to DRAM on sending a command id via the mailbox. Add this support
to the driver.

Co-developed-by: Sanket Goswami <Sanket.Goswami@amd.com>
Signed-off-by: Sanket Goswami <Sanket.Goswami@amd.com>
Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Link: https://lore.kernel.org/r/20230910142034.2967110-1-Shyam-sundar.S-k@amd.com
[ij: Corrected whitespace in dev_dbg_once()]
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>

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Shyam Sundar S K 2023-09-10 19:50:33 +05:30 • committed by Ilpo Järvinen

parent 8df012a7f5

commit cdb1013808

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GPG key ID: 59AC4F6153E5CE31

1 changed files with 8 additions and 1 deletions

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drivers/platform/x86/amd/pmc/pmc.c

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