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The latest frozen RPMI spec has added Implementation ID
and Implementation Version as message protocol specific
mpxy attributes. Add support for these.
Signed-off-by: Rahul Pathak <[email protected]>
Reviewed-by: Anup Patel <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Anup Patel <[email protected]>
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It seems that current implementation doesn't fail on fdt_mpxy_init(),
because platforms might not have any MPXY devices. In fact, if there are
no MPXY devices, fdt_driver_init_all() will return SBI_OK.
More importantly, if there is any MPXY device which fails the
initialization, OpenSBI must check the error code and stop the booting.
Thus, this commit adds the return value for fdt_mpxy_init().
Signed-off-by: Alvin Chang <[email protected]>
Reviewed-by: Anup Patel <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Anup Patel <[email protected]>
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Use the RPMI mailbox channel attributes to populate MPXY channel
attributes instead of hard coding them.
Signed-off-by: Anup Patel <[email protected]>
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Currently, the common MPXY RPMI mailbox client does not support
notifications so no need for dummy notifications support.
Signed-off-by: Anup Patel <[email protected]>
Reviewed-by: Samuel Holland <[email protected]>
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Some of the RPMI service groups may need additional context and
special handling when transferring messages via underlying mailbox
channel so introduce optional MPXY RPMI service group operations
for this purpose.
Signed-off-by: Anup Patel <[email protected]>
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Instead of having one common FDT MPXY RPMI mailbox client drivers
for various RPMI service groups, split this driver into two parts:
1) Common MPXY RPMI mailbox client library
2) MPXY driver for RPMI clock service group
The above split enables having a separate MPXY driver for each
RPMI clock service group and #1 (above) will allow code sharing
between various MPXY RPMI drivers.
Signed-off-by: Anup Patel <[email protected]>
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The generic platform can have multiple MPXY drivers so add a simple
FDT based MPXY driver framework.
Signed-off-by: Anup Patel <[email protected]>
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