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test/dm/regmap.c
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/*
* 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);
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