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https://github.com/brain-hackers/u-boot-brain
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c0dd177a99
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>
100 lines
2.6 KiB
C
100 lines
2.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2020, Linaro Limited
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*/
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#ifndef __SANDBOX_SCMI_TEST_H
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#define __SANDBOX_SCMI_TEST_H
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struct udevice;
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struct sandbox_scmi_agent;
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struct sandbox_scmi_service;
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/**
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* struct sandbox_scmi_clk - Simulated clock exposed by SCMI
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* @id: Identifier of the clock used in the SCMI protocol
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* @enabled: Clock state: true if enabled, false if disabled
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* @rate: Clock rate in Hertz
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*/
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struct sandbox_scmi_clk {
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uint id;
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bool enabled;
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ulong rate;
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};
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/**
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* struct sandbox_scmi_reset - Simulated reset controller exposed by SCMI
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* @asserted: Reset control state: true if asserted, false if desasserted
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*/
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struct sandbox_scmi_reset {
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uint id;
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bool asserted;
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};
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/**
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* struct sandbox_scmi_agent - Simulated SCMI service seen by SCMI agent
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* @idx: Identifier for the SCMI agent, its index
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* @clk: Simulated clocks
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* @clk_count: Simulated clocks array size
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* @clk: Simulated reset domains
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* @clk_count: Simulated reset domains array size
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*/
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struct sandbox_scmi_agent {
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uint idx;
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struct sandbox_scmi_clk *clk;
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size_t clk_count;
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struct sandbox_scmi_reset *reset;
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size_t reset_count;
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};
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/**
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* struct sandbox_scmi_service - Reference to simutaed SCMI agents/services
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* @agent: Pointer to SCMI sandbox agent pointers array
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* @agent_count: Number of emulated agents exposed in array @agent.
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*/
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struct sandbox_scmi_service {
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struct sandbox_scmi_agent **agent;
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size_t agent_count;
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};
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/**
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* struct sandbox_scmi_devices - Reference to devices probed through SCMI
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* @clk: Array the clock devices
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* @clk_count: Number of clock devices probed
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* @reset: Array the reset controller devices
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* @reset_count: Number of reset controller devices probed
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*/
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struct sandbox_scmi_devices {
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struct clk *clk;
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size_t clk_count;
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struct reset_ctl *reset;
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size_t reset_count;
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};
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#ifdef CONFIG_SCMI_FIRMWARE
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/**
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* sandbox_scmi_service_context - Get the simulated SCMI services context
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* @return: Reference to backend simulated resources state
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*/
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struct sandbox_scmi_service *sandbox_scmi_service_ctx(void);
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/**
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* sandbox_scmi_devices_get_ref - Get references to devices accessed through SCMI
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* @dev: Reference to the test device used get test resources
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* @return: Reference to the devices probed by the SCMI test
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*/
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struct sandbox_scmi_devices *sandbox_scmi_devices_ctx(struct udevice *dev);
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#else
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static inline struct sandbox_scmi_service *sandbox_scmi_service_ctx(void)
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{
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return NULL;
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}
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static inline
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struct sandbox_scmi_devices *sandbox_scmi_devices_ctx(struct udevice *dev)
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{
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return NULL;
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}
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#endif /* CONFIG_SCMI_FIRMWARE */
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#endif /* __SANDBOX_SCMI_TEST_H */
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