We use syscon to test that the regmap functions work as expected.
Signed-off-by: Simon Glass sjg@chromium.org ---
test/dm/Makefile | 1 + test/dm/regmap.c | 82 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 83 insertions(+) create mode 100644 test/dm/regmap.c
diff --git a/test/dm/Makefile b/test/dm/Makefile index cbdab17..d6ae6d6 100644 --- a/test/dm/Makefile +++ b/test/dm/Makefile @@ -24,6 +24,7 @@ obj-$(CONFIG_DM_MMC) += mmc.o obj-$(CONFIG_DM_PCI) += pci.o obj-$(CONFIG_PINCTRL) += pinctrl.o obj-$(CONFIG_RAM) += ram.o +obj-y += regmap.o obj-$(CONFIG_RESET) += reset.o obj-$(CONFIG_DM_RTC) += rtc.o obj-$(CONFIG_DM_SPI_FLASH) += sf.o diff --git a/test/dm/regmap.c b/test/dm/regmap.c new file mode 100644 index 0000000..7f66058 --- /dev/null +++ b/test/dm/regmap.c @@ -0,0 +1,82 @@ +/* + * Copyright (C) 2015 Google, Inc +2 * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <dm.h> +#include <mapmem.h> +#include <regmap.h> +#include <syscon.h> +#include <asm/test.h> +#include <dm/test.h> +#include <test/ut.h> + +DECLARE_GLOBAL_DATA_PTR; + +/* Base test of register maps */ +static int dm_test_regmap_base(struct unit_test_state *uts) +{ + struct udevice *dev; + struct regmap *map; + int i; + + ut_assertok(uclass_get_device(UCLASS_SYSCON, 0, &dev)); + map = syscon_get_regmap(dev); + ut_assertok_ptr(map); + ut_asserteq(1, map->range_count); + ut_asserteq(0x10, map->base); + ut_asserteq(0x10, map->range->start); + ut_asserteq(4, map->range->size); + ut_asserteq_ptr(&map->base_range, map->range); + ut_asserteq(0x10, map_to_sysmem(regmap_get_range(map, 0))); + + ut_assertok(uclass_get_device(UCLASS_SYSCON, 1, &dev)); + map = syscon_get_regmap(dev); + ut_assertok_ptr(map); + ut_asserteq(4, map->range_count); + ut_asserteq(0x20, map->base); + ut_assert(&map->base_range != map->range); + for (i = 0; i < 4; i++) { + const unsigned long addr = 0x20 + 8 * i; + + ut_asserteq(addr, map->range[i].start); + ut_asserteq(5 + i, map->range[i].size); + ut_asserteq(addr, map_to_sysmem(regmap_get_range(map, i))); + } + + /* Check that we can't pretend a different device is a syscon */ + ut_assertok(uclass_get_device(UCLASS_I2C, 0, &dev)); + map = syscon_get_regmap(dev); + ut_asserteq_ptr(ERR_PTR(-ENOEXEC), map); + + return 0; +} +DM_TEST(dm_test_regmap_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); + +/* Test we can access a regmap through syscon */ +static int dm_test_regmap_syscon(struct unit_test_state *uts) +{ + struct regmap *map; + + map = syscon_get_regmap_by_driver_data(SYSCON0); + ut_assertok_ptr(map); + ut_asserteq(1, map->range_count); + + map = syscon_get_regmap_by_driver_data(SYSCON1); + ut_assertok_ptr(map); + ut_asserteq(4, map->range_count); + + map = syscon_get_regmap_by_driver_data(SYSCON_COUNT); + ut_asserteq_ptr(ERR_PTR(-ENODEV), map); + + ut_asserteq(0x10, map_to_sysmem(syscon_get_first_range(SYSCON0))); + ut_asserteq(0x20, map_to_sysmem(syscon_get_first_range(SYSCON1))); + ut_asserteq_ptr(ERR_PTR(-ENODEV), + syscon_get_first_range(SYSCON_COUNT)); + + return 0; +} + +DM_TEST(dm_test_regmap_syscon, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);