1*11636258SStephen Warren /* 2*11636258SStephen Warren * Copyright (C) 2015 Google, Inc 3*11636258SStephen Warren * 4*11636258SStephen Warren * SPDX-License-Identifier: GPL-2.0+ 5*11636258SStephen Warren */ 6*11636258SStephen Warren 7*11636258SStephen Warren #include <common.h> 8*11636258SStephen Warren #include <dm.h> 9*11636258SStephen Warren #include <sysreset.h> 10*11636258SStephen Warren #include <asm/state.h> 11*11636258SStephen Warren #include <asm/test.h> 12*11636258SStephen Warren #include <dm/test.h> 13*11636258SStephen Warren #include <test/ut.h> 14*11636258SStephen Warren 15*11636258SStephen Warren /* Test that we can use particular sysreset devices */ 16*11636258SStephen Warren static int dm_test_sysreset_base(struct unit_test_state *uts) 17*11636258SStephen Warren { 18*11636258SStephen Warren struct sandbox_state *state = state_get_current(); 19*11636258SStephen Warren struct udevice *dev; 20*11636258SStephen Warren 21*11636258SStephen Warren /* Device 0 is the platform data device - it should never respond */ 22*11636258SStephen Warren ut_assertok(uclass_get_device(UCLASS_SYSRESET, 0, &dev)); 23*11636258SStephen Warren ut_asserteq(-ENODEV, sysreset_request(dev, SYSRESET_WARM)); 24*11636258SStephen Warren ut_asserteq(-ENODEV, sysreset_request(dev, SYSRESET_COLD)); 25*11636258SStephen Warren ut_asserteq(-ENODEV, sysreset_request(dev, SYSRESET_POWER)); 26*11636258SStephen Warren 27*11636258SStephen Warren /* Device 1 is the warm sysreset device */ 28*11636258SStephen Warren ut_assertok(uclass_get_device(UCLASS_SYSRESET, 1, &dev)); 29*11636258SStephen Warren ut_asserteq(-EACCES, sysreset_request(dev, SYSRESET_WARM)); 30*11636258SStephen Warren ut_asserteq(-ENOSYS, sysreset_request(dev, SYSRESET_COLD)); 31*11636258SStephen Warren ut_asserteq(-ENOSYS, sysreset_request(dev, SYSRESET_POWER)); 32*11636258SStephen Warren 33*11636258SStephen Warren state->sysreset_allowed[SYSRESET_WARM] = true; 34*11636258SStephen Warren ut_asserteq(-EINPROGRESS, sysreset_request(dev, SYSRESET_WARM)); 35*11636258SStephen Warren state->sysreset_allowed[SYSRESET_WARM] = false; 36*11636258SStephen Warren 37*11636258SStephen Warren /* Device 2 is the cold sysreset device */ 38*11636258SStephen Warren ut_assertok(uclass_get_device(UCLASS_SYSRESET, 2, &dev)); 39*11636258SStephen Warren ut_asserteq(-ENOSYS, sysreset_request(dev, SYSRESET_WARM)); 40*11636258SStephen Warren ut_asserteq(-EACCES, sysreset_request(dev, SYSRESET_COLD)); 41*11636258SStephen Warren state->sysreset_allowed[SYSRESET_POWER] = false; 42*11636258SStephen Warren ut_asserteq(-EACCES, sysreset_request(dev, SYSRESET_POWER)); 43*11636258SStephen Warren state->sysreset_allowed[SYSRESET_POWER] = true; 44*11636258SStephen Warren 45*11636258SStephen Warren return 0; 46*11636258SStephen Warren } 47*11636258SStephen Warren DM_TEST(dm_test_sysreset_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); 48*11636258SStephen Warren 49*11636258SStephen Warren /* Test that we can walk through the sysreset devices */ 50*11636258SStephen Warren static int dm_test_sysreset_walk(struct unit_test_state *uts) 51*11636258SStephen Warren { 52*11636258SStephen Warren struct sandbox_state *state = state_get_current(); 53*11636258SStephen Warren 54*11636258SStephen Warren /* If we generate a power sysreset, we will exit sandbox! */ 55*11636258SStephen Warren state->sysreset_allowed[SYSRESET_POWER] = false; 56*11636258SStephen Warren ut_asserteq(-EACCES, sysreset_walk(SYSRESET_WARM)); 57*11636258SStephen Warren ut_asserteq(-EACCES, sysreset_walk(SYSRESET_COLD)); 58*11636258SStephen Warren ut_asserteq(-EACCES, sysreset_walk(SYSRESET_POWER)); 59*11636258SStephen Warren 60*11636258SStephen Warren /* 61*11636258SStephen Warren * Enable cold system reset - this should make cold system reset work, 62*11636258SStephen Warren * plus a warm system reset should be promoted to cold, since this is 63*11636258SStephen Warren * the next step along. 64*11636258SStephen Warren */ 65*11636258SStephen Warren state->sysreset_allowed[SYSRESET_COLD] = true; 66*11636258SStephen Warren ut_asserteq(-EINPROGRESS, sysreset_walk(SYSRESET_WARM)); 67*11636258SStephen Warren ut_asserteq(-EINPROGRESS, sysreset_walk(SYSRESET_COLD)); 68*11636258SStephen Warren ut_asserteq(-EACCES, sysreset_walk(SYSRESET_POWER)); 69*11636258SStephen Warren state->sysreset_allowed[SYSRESET_COLD] = false; 70*11636258SStephen Warren state->sysreset_allowed[SYSRESET_POWER] = true; 71*11636258SStephen Warren 72*11636258SStephen Warren return 0; 73*11636258SStephen Warren } 74*11636258SStephen Warren DM_TEST(dm_test_sysreset_walk, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); 75