u-boot/test/dm/cros_ec.c
Simon Glass 10f746591f cros_ec: Add vstore support
The EC can store small amounts of data for the benefit of the
verified boot process. Since the EC is seldom reset, this can allow the
AP to store data that survives a reboot or a suspend/resume cycle.

Add support for this.

Signed-off-by: Simon Glass <sjg@chromium.org>
2021-01-30 14:25:41 -07:00

178 lines
4.7 KiB
C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright 2021 Google LLC
*/
#include <common.h>
#include <cros_ec.h>
#include <dm.h>
#include <asm/test.h>
#include <dm/test.h>
#include <test/ut.h>
static int dm_test_cros_ec_hello(struct unit_test_state *uts)
{
struct udevice *dev;
uint val;
ut_assertok(uclass_first_device_err(UCLASS_CROS_EC, &dev));
ut_assertok(cros_ec_hello(dev, NULL));
val = 0xdead1357;
ut_assertok(cros_ec_hello(dev, &val));
ut_asserteq(0xdead1357, val);
sandbox_cros_ec_set_test_flags(dev, CROSECT_BREAK_HELLO);
ut_asserteq(-ENOTSYNC, cros_ec_hello(dev, &val));
ut_asserteq(0x12345678, val);
return 0;
}
DM_TEST(dm_test_cros_ec_hello, UT_TESTF_SCAN_FDT);
static int dm_test_cros_ec_sku_id(struct unit_test_state *uts)
{
struct udevice *dev;
ut_assertok(uclass_first_device_err(UCLASS_CROS_EC, &dev));
ut_asserteq(1234, cros_ec_get_sku_id(dev));
/* try the command */
console_record_reset();
ut_assertok(run_command("crosec sku", 0));
ut_assert_nextline("1234");
ut_assert_console_end();
return 0;
}
DM_TEST(dm_test_cros_ec_sku_id, UT_TESTF_SCAN_FDT);
static int dm_test_cros_ec_features(struct unit_test_state *uts)
{
struct udevice *dev;
u64 feat;
ut_assertok(uclass_first_device_err(UCLASS_CROS_EC, &dev));
ut_assertok(cros_ec_get_features(dev, &feat));
ut_asserteq_64(1U << EC_FEATURE_FLASH | 1U << EC_FEATURE_I2C |
1u << EC_FEATURE_VSTORE |
1ULL << EC_FEATURE_UNIFIED_WAKE_MASKS | 1ULL << EC_FEATURE_ISH,
feat);
ut_asserteq(true, cros_ec_check_feature(dev, EC_FEATURE_I2C));
ut_asserteq(false, cros_ec_check_feature(dev, EC_FEATURE_MOTION_SENSE));
ut_asserteq(true, cros_ec_check_feature(dev, EC_FEATURE_ISH));
/* try the command */
console_record_reset();
ut_assertok(run_command("crosec features", 0));
ut_assert_nextline("flash");
ut_assert_nextline("i2c");
ut_assert_nextline("vstore");
ut_assert_nextline("unified_wake_masks");
ut_assert_nextline("ish");
ut_assert_console_end();
return 0;
}
DM_TEST(dm_test_cros_ec_features, UT_TESTF_SCAN_FDT);
static int dm_test_cros_ec_switches(struct unit_test_state *uts)
{
struct udevice *dev;
ut_assertok(uclass_first_device_err(UCLASS_CROS_EC, &dev));
ut_asserteq(0, cros_ec_get_switches(dev));
/* try the command */
console_record_reset();
ut_assertok(run_command("crosec switches", 0));
ut_assert_console_end();
/* Open the lid and check the switch changes */
sandbox_cros_ec_set_test_flags(dev, CROSECT_LID_OPEN);
ut_asserteq(EC_SWITCH_LID_OPEN, cros_ec_get_switches(dev));
/* try the command */
console_record_reset();
ut_assertok(run_command("crosec switches", 0));
ut_assert_nextline("lid open");
ut_assert_console_end();
return 0;
}
DM_TEST(dm_test_cros_ec_switches, UT_TESTF_SCAN_FDT);
static int dm_test_cros_ec_events(struct unit_test_state *uts)
{
struct udevice *dev;
u32 events;
ut_assertok(uclass_first_device_err(UCLASS_CROS_EC, &dev));
ut_assertok(cros_ec_get_host_events(dev, &events));
ut_asserteq(0, events);
/* try the command */
console_record_reset();
ut_assertok(run_command("crosec events", 0));
ut_assert_nextline("00000000");
ut_assert_console_end();
/* Open the lid and check the event appears */
sandbox_cros_ec_set_test_flags(dev, CROSECT_LID_OPEN);
ut_assertok(cros_ec_get_host_events(dev, &events));
ut_asserteq(EC_HOST_EVENT_MASK(EC_HOST_EVENT_LID_OPEN), events);
/* try the command */
console_record_reset();
ut_assertok(run_command("crosec events", 0));
ut_assert_nextline("00000002");
ut_assert_nextline("lid_open");
ut_assert_console_end();
/* Clear the event */
ut_assertok(cros_ec_clear_host_events(dev,
EC_HOST_EVENT_MASK(EC_HOST_EVENT_LID_OPEN)));
ut_assertok(cros_ec_get_host_events(dev, &events));
ut_asserteq(0, events);
return 0;
}
DM_TEST(dm_test_cros_ec_events, UT_TESTF_SCAN_FDT);
static int dm_test_cros_ec_vstore(struct unit_test_state *uts)
{
const int size = EC_VSTORE_SLOT_SIZE;
u8 test_data[size], data[size];
struct udevice *dev;
u32 locked;
int i;
ut_assertok(uclass_first_device_err(UCLASS_CROS_EC, &dev));
ut_asserteq(true, cros_ec_vstore_supported(dev));
ut_asserteq(4, cros_ec_vstore_info(dev, &locked));
ut_asserteq(0, locked);
/* Write some data */
for (i = 0; i < size; i++)
test_data[i] = ' ' + i;
ut_assertok(cros_ec_vstore_write(dev, 2, test_data, size));
/* Check it is locked */
ut_asserteq(4, cros_ec_vstore_info(dev, &locked));
ut_asserteq(1 << 2, locked);
/* Read it back and compare */
ut_assertok(cros_ec_vstore_read(dev, 2, data));
ut_asserteq_mem(test_data, data, size);
/* Try another slot to make sure it is empty */
ut_assertok(cros_ec_vstore_read(dev, 0, data));
for (i = 0; i < size; i++)
ut_asserteq(0, data[i]);
return 0;
}
DM_TEST(dm_test_cros_ec_vstore, UT_TESTF_SCAN_FDT);