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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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36
test/dm/scmi.c
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@@ -15,6 +15,7 @@
#include <common.h>
#include <clk.h>
#include <dm.h>
#include <reset.h>
#include <asm/scmi_test.h>
#include <dm/device-internal.h>
#include <dm/test.h>
@@ -44,6 +45,8 @@ static int ut_assert_scmi_state_postprobe(struct unit_test_state *uts,
ut_assertnonnull(scmi_devices);
if (IS_ENABLED(CONFIG_CLK_SCMI))
ut_asserteq(3, scmi_devices->clk_count);
if (IS_ENABLED(CONFIG_RESET_SCMI))
ut_asserteq(1, scmi_devices->reset_count);
/* State of the simulated SCMI server exposed */
scmi_ctx = sandbox_scmi_service_ctx();
@@ -53,6 +56,8 @@ static int ut_assert_scmi_state_postprobe(struct unit_test_state *uts,
ut_assertnonnull(scmi_ctx->agent[0]);
ut_asserteq(2, scmi_ctx->agent[0]->clk_count);
ut_assertnonnull(scmi_ctx->agent[0]->clk);
ut_asserteq(1, scmi_ctx->agent[0]->reset_count);
ut_assertnonnull(scmi_ctx->agent[0]->reset);
ut_assertnonnull(scmi_ctx->agent[1]);
ut_assertnonnull(scmi_ctx->agent[1]->clk);
@@ -165,3 +170,34 @@ static int dm_test_scmi_clocks(struct unit_test_state *uts)
}
DM_TEST(dm_test_scmi_clocks, UT_TESTF_SCAN_FDT);
static int dm_test_scmi_resets(struct unit_test_state *uts)
{
struct sandbox_scmi_devices *scmi_devices;
struct sandbox_scmi_service *scmi_ctx;
struct udevice *dev = NULL;
int ret;
if (!IS_ENABLED(CONFIG_RESET_SCMI))
return 0;
ret = load_sandbox_scmi_test_devices(uts, &dev);
if (ret)
return ret;
scmi_devices = sandbox_scmi_devices_ctx(dev);
scmi_ctx = sandbox_scmi_service_ctx();
/* Test SCMI resect controller manipulation */
ut_assert(!scmi_ctx->agent[0]->reset[0].asserted)
ut_assertok(reset_assert(&scmi_devices->reset[0]));
ut_assert(scmi_ctx->agent[0]->reset[0].asserted)
ut_assertok(reset_deassert(&scmi_devices->reset[0]));
ut_assert(!scmi_ctx->agent[0]->reset[0].asserted);
return release_sandbox_scmi_test_devices(uts, dev);
}
DM_TEST(dm_test_scmi_resets, UT_TESTF_SCAN_FDT);