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118 lines
3.2 KiB
118 lines
3.2 KiB
// SPDX-License-Identifier: GPL-2.0+ |
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/* |
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* Copyright (C) 2015 Google, Inc |
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*/ |
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#include <common.h> |
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#include <dm.h> |
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#include <mapmem.h> |
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#include <regmap.h> |
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#include <syscon.h> |
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#include <asm/test.h> |
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#include <dm/test.h> |
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#include <test/ut.h> |
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/* Base test of register maps */ |
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static int dm_test_regmap_base(struct unit_test_state *uts) |
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{ |
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struct udevice *dev; |
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struct regmap *map; |
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ofnode node; |
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int i; |
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ut_assertok(uclass_get_device(UCLASS_SYSCON, 0, &dev)); |
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map = syscon_get_regmap(dev); |
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ut_assertok_ptr(map); |
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ut_asserteq(1, map->range_count); |
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ut_asserteq(0x10, map->ranges[0].start); |
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ut_asserteq(4, map->ranges[0].size); |
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ut_asserteq(0x10, map_to_sysmem(regmap_get_range(map, 0))); |
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ut_assertok(uclass_get_device(UCLASS_SYSCON, 1, &dev)); |
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map = syscon_get_regmap(dev); |
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ut_assertok_ptr(map); |
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ut_asserteq(4, map->range_count); |
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ut_asserteq(0x20, map->ranges[0].start); |
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for (i = 0; i < 4; i++) { |
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const unsigned long addr = 0x20 + 8 * i; |
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ut_asserteq(addr, map->ranges[i].start); |
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ut_asserteq(5 + i, map->ranges[i].size); |
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ut_asserteq(addr, map_to_sysmem(regmap_get_range(map, i))); |
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} |
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/* Check that we can't pretend a different device is a syscon */ |
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ut_assertok(uclass_get_device(UCLASS_I2C, 0, &dev)); |
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map = syscon_get_regmap(dev); |
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ut_asserteq_ptr(ERR_PTR(-ENOEXEC), map); |
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/* A different device can be a syscon by using Linux-compat API */ |
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node = ofnode_path("/syscon@2"); |
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ut_assert(ofnode_valid(node)); |
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map = syscon_node_to_regmap(node); |
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ut_assertok_ptr(map); |
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ut_asserteq(4, map->range_count); |
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ut_asserteq(0x40, map->ranges[0].start); |
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for (i = 0; i < 4; i++) { |
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const unsigned long addr = 0x40 + 8 * i; |
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ut_asserteq(addr, map->ranges[i].start); |
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ut_asserteq(5 + i, map->ranges[i].size); |
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ut_asserteq(addr, map_to_sysmem(regmap_get_range(map, i))); |
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} |
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return 0; |
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} |
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DM_TEST(dm_test_regmap_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); |
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/* Test we can access a regmap through syscon */ |
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static int dm_test_regmap_syscon(struct unit_test_state *uts) |
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{ |
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struct regmap *map; |
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map = syscon_get_regmap_by_driver_data(SYSCON0); |
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ut_assertok_ptr(map); |
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ut_asserteq(1, map->range_count); |
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map = syscon_get_regmap_by_driver_data(SYSCON1); |
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ut_assertok_ptr(map); |
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ut_asserteq(4, map->range_count); |
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map = syscon_get_regmap_by_driver_data(SYSCON_COUNT); |
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ut_asserteq_ptr(ERR_PTR(-ENODEV), map); |
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ut_asserteq(0x10, map_to_sysmem(syscon_get_first_range(SYSCON0))); |
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ut_asserteq(0x20, map_to_sysmem(syscon_get_first_range(SYSCON1))); |
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ut_asserteq_ptr(ERR_PTR(-ENODEV), |
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syscon_get_first_range(SYSCON_COUNT)); |
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return 0; |
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} |
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DM_TEST(dm_test_regmap_syscon, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); |
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/* Read/Write/Modify test */ |
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static int dm_test_regmap_rw(struct unit_test_state *uts) |
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{ |
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struct udevice *dev; |
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struct regmap *map; |
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uint reg; |
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ut_assertok(uclass_get_device(UCLASS_SYSCON, 0, &dev)); |
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map = syscon_get_regmap(dev); |
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ut_assertok_ptr(map); |
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ut_assertok(regmap_write(map, 0, 0xcacafafa)); |
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ut_assertok(regmap_write(map, 3, 0x55aa2211)); |
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ut_assertok(regmap_read(map, 0, ®)); |
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ut_assertok(regmap_read(map, 3, ®)); |
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ut_assertok(regmap_update_bits(map, 0, 0xff00ff00, 0x55aa2211)); |
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ut_assertok(regmap_update_bits(map, 3, 0x00ff00ff, 0xcacafada)); |
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return 0; |
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} |
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DM_TEST(dm_test_regmap_rw, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
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