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drivers: qcom: add command DB driver

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Command DB is a simple database in the shared memory of QCOM SoCs, that
provides information regarding shared resources. Some shared resources
in the SoC have properties that are probed dynamically at boot by the
remote processor. The information pertaining to the SoC and the platform
are made available in the shared memory. Drivers can query this
information using predefined strings.

Signed-off-by: Mahesh Sivasubramanian <[email protected]>
Signed-off-by: Lina Iyer <[email protected]>
Reviewed-by: Bjorn Andersson <[email protected]>
Reviewed-by: Stephen Boyd <[email protected]>
Signed-off-by: Andy Gross <[email protected]>
This commit is contained in:
Mahesh Sivasubramanian 2018-04-10 11:57:23 -06:00 • committed by Andy Gross
commit 312416d917
5 changed files with 366 additions and 0 deletions
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1
drivers/of/platform.c
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@ -494,6 +494,7 @@ EXPORT_SYMBOL_GPL(of_platform_default_populate);
#ifndef CONFIG_PPC
static const struct of_device_id reserved_mem_matches[] = {
{ .compatible = "qcom,rmtfs-mem" },
{ .compatible = "qcom,cmd-db" },
{ .compatible = "ramoops" },
{}
};