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As RPMI v1.0 specification is frozen, disable the
experimental tag for such RPMI drivers.
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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The carray referencing these definitions assumes they are const.
Fixes: 6a26726e08e4 ("lib/utils: reset: Add RPMI System Reset driver")
Fixes: 13f55f33a1d3 ("lib: utils/suspend: Add RPMI system suspend driver")
Fixes: 33ee9b8240fe ("lib: utils/hsm: Add RPMI HSM driver")
Fixes: 591a98bdd549 ("lib: utils/cppc: Add RPMI CPPC driver")
Signed-off-by: Samuel Holland <[email protected]>
Reviewed-by: Anup Patel <[email protected]>
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For driver subsystems that are not tightly integrated into the OpenSBI
init sequence, it is not important that the drivers are initialized in
any particular order. By putting all of these drivers in one array, they
can all be initialized with a single pass through the devicetree. This
saves about 10 ms of boot time on HiFive Unmatched.
Signed-off-by: Samuel Holland <[email protected]>
Reviewed-by: Anup Patel <[email protected]>
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These drivers were merged on an experimental basis without the RPMI
specification being frozen. As a result, they may not be compatible with
the frozen version of the RPMI protocol. Additionally, their devicetree
bindings have not been reviewed and are subject to change. Warn the user
that these drivers make no compatibility guarantees, and that their
behavior and devicetree bindings may change incompatibly in future
versions of OpenSBI.
Signed-off-by: Samuel Holland <[email protected]>
Reviewed-by: Anup Patel <[email protected]>
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Improve 64-bit operation under rv32 and remove db_val_u32_hi
in rpmi_cppc_fc_db_trigger().
Signed-off-by: Xiang W <[email protected]>
Reviewed-by: Anup Patel <[email protected]>
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The following error is observed when compiling fdt_cppc_rpmi
driver using LLVM:
lib/utils/cppc/fdt_cppc_rpmi.c:87:3: error: label followed by a declaration is a C23 extension [-Werror,-Wc23-extensions]
87 | u64 db_val_u64 = 0;
To fix the above issue, move the variable declaration at the
start of function.
Fixes: 591a98bdd549 ("lib: utils/cppc: Add RPMI CPPC driver")
Signed-off-by: Anup Patel <[email protected]>
Reviewed-by: Samuel Holland <[email protected]>
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Add RPMI based driver for CPPC register read, write and probe.
Signed-off-by: Subrahmanya Lingappa <[email protected]>
Co-developed-by: Rahul Pathak <[email protected]>
Signed-off-by: Rahul Pathak <[email protected]>
Co-developed-by: Sunil V L <[email protected]>
Signed-off-by: Sunil V L <[email protected]>
Signed-off-by: Anup Patel <[email protected]>
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The generic platform can have multiple CPPC drivers so add a simple
FDT based CPPC driver framework.
Signed-off-by: Anup Patel <[email protected]>
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