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firmware: smci: sandbox test for SCMI reset controllers

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Add tests for SCMI reset controllers. A test device driver
sandbox-scmi_devices.c is used to get reset resources, allowing further
resets manipulation.

Change sandbox-smci_agent to emulate 1 reset controller exposed through
an agent. Add DM test scmi_resets to test this reset controller.

Signed-off-by: Etienne Carriere <etienne.carriere@linaro.org>
Cc: Simon Glass <sjg@chromium.org>
Cc: Peng Fan <peng.fan@nxp.com>
Cc: Sudeep Holla <sudeep.holla@arm.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Etienne Carriere 2020-09-09 18:44:07 +02:00 • committed by Tom Rini
parent 34d76fefb2
commit c0dd177a99
6 changed files with 211 additions and 6 deletions
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17
arch/sandbox/include/asm/scmi_test.h
View file

@ -22,16 +22,29 @@ struct sandbox_scmi_clk {
ulong rate;
};
/**
* struct sandbox_scmi_reset - Simulated reset controller exposed by SCMI
* @asserted: Reset control state: true if asserted, false if desasserted
*/
struct sandbox_scmi_reset {
uint id;
bool asserted;
};
/**
* struct sandbox_scmi_agent - Simulated SCMI service seen by SCMI agent
* @idx: Identifier for the SCMI agent, its index
* @clk: Simulated clocks
* @clk_count: Simulated clocks array size
* @clk: Simulated reset domains
* @clk_count: Simulated reset domains array size
*/
struct sandbox_scmi_agent {
uint idx;
struct sandbox_scmi_clk *clk;
size_t clk_count;
struct sandbox_scmi_reset *reset;
size_t reset_count;
};
/**
@ -48,10 +61,14 @@ struct sandbox_scmi_service {
* struct sandbox_scmi_devices - Reference to devices probed through SCMI
* @clk: Array the clock devices
* @clk_count: Number of clock devices probed
* @reset: Array the reset controller devices
* @reset_count: Number of reset controller devices probed
*/
struct sandbox_scmi_devices {
struct clk *clk;
size_t clk_count;
struct reset_ctl *reset;
size_t reset_count;
};
#ifdef CONFIG_SCMI_FIRMWARE