diff options
Diffstat (limited to 'roms/u-boot/test/dm/mux-emul.c')
-rw-r--r-- | roms/u-boot/test/dm/mux-emul.c | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/roms/u-boot/test/dm/mux-emul.c b/roms/u-boot/test/dm/mux-emul.c new file mode 100644 index 000000000..58233edc9 --- /dev/null +++ b/roms/u-boot/test/dm/mux-emul.c @@ -0,0 +1,106 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2020 Texas Instruments Incorporated - http://www.ti.com/ + * Pratyush Yadav <p.yadav@ti.com> + */ +#include <common.h> +#include <dm.h> +#include <mux.h> +#include <mux-internal.h> +#include <dm/test.h> +#include <test/ut.h> +#include <asm/global_data.h> + +struct mux_emul_priv { + u32 state; +}; + +static int mux_emul_set(struct mux_control *mux, int state) +{ + struct mux_emul_priv *priv = dev_get_priv(mux->dev); + + priv->state = state; + return 0; +} + +static int mux_emul_probe(struct udevice *dev) +{ + struct mux_chip *mux_chip = dev_get_uclass_priv(dev); + struct mux_control *mux; + u32 idle_state; + int ret; + + ret = mux_alloc_controllers(dev, 1); + if (ret < 0) + return ret; + + mux = &mux_chip->mux[0]; + + ret = dev_read_u32(dev, "idle-state", &idle_state); + if (ret) + return ret; + + mux->idle_state = idle_state; + mux->states = 0x100000; + + return 0; +} + +static const struct mux_control_ops mux_emul_ops = { + .set = mux_emul_set, +}; + +static const struct udevice_id mux_emul_of_match[] = { + { .compatible = "mux-emul" }, + { /* sentinel */ }, +}; + +U_BOOT_DRIVER(emul_mux) = { + .name = "mux-emul", + .id = UCLASS_MUX, + .of_match = mux_emul_of_match, + .ops = &mux_emul_ops, + .probe = mux_emul_probe, + .priv_auto = sizeof(struct mux_emul_priv), +}; + +static int dm_test_mux_emul_default_state(struct unit_test_state *uts) +{ + struct udevice *dev; + struct mux_control *mux; + struct mux_emul_priv *priv; + + ut_assertok(uclass_get_device_by_name(UCLASS_TEST_FDT, "a-test", + &dev)); + ut_assertok(mux_control_get(dev, "mux4", &mux)); + + priv = dev_get_priv(mux->dev); + + ut_asserteq(0xabcd, priv->state); + + return 0; +} +DM_TEST(dm_test_mux_emul_default_state, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); + +static int dm_test_mux_emul_select_deselect(struct unit_test_state *uts) +{ + struct udevice *dev; + struct mux_control *mux; + struct mux_emul_priv *priv; + + gd->flags &= ~(GD_FLG_SILENT | GD_FLG_RECORD); + ut_assertok(uclass_get_device_by_name(UCLASS_TEST_FDT, "a-test", + &dev)); + ut_assertok(mux_control_get(dev, "mux4", &mux)); + + priv = dev_get_priv(mux->dev); + + ut_assertok(mux_control_select(mux, 0x1234)); + ut_asserteq(priv->state, 0x1234); + + ut_assertok(mux_control_deselect(mux)); + ut_asserteq(priv->state, 0xabcd); + + return 0; +} +DM_TEST(dm_test_mux_emul_select_deselect, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); |