Commit 64ce0cad9e04aab19eb4c3f61333b203548281a7
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201c29a2d6
Exists in
v2017.01-smarct4x
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dm: test: Add a test for the ram uclass
Add a test to confirm that we can probe this device and get information on the available RAM. Signed-off-by: Simon Glass <sjg@chromium.org>
Showing 6 changed files with 73 additions and 0 deletions Side-by-side Diff
arch/sandbox/dts/test.dts
configs/sandbox_defconfig
drivers/ram/Makefile
drivers/ram/sandbox_ram.c
| 1 | +/* | |
| 2 | + * Copyright (c) 2015 Google, Inc | |
| 3 | + * Written by Simon Glass <sjg@chromium.org> | |
| 4 | + * | |
| 5 | + * SPDX-License-Identifier: GPL-2.0+ | |
| 6 | + */ | |
| 7 | + | |
| 8 | +#include <common.h> | |
| 9 | +#include <dm.h> | |
| 10 | +#include <errno.h> | |
| 11 | +#include <ram.h> | |
| 12 | +#include <asm/test.h> | |
| 13 | + | |
| 14 | +DECLARE_GLOBAL_DATA_PTR; | |
| 15 | + | |
| 16 | +static int sandbox_get_info(struct udevice *dev, struct ram_info *info) | |
| 17 | +{ | |
| 18 | + info->base = 0; | |
| 19 | + info->size = gd->ram_size; | |
| 20 | + | |
| 21 | + return 0; | |
| 22 | +} | |
| 23 | + | |
| 24 | +static const struct ram_ops sandbox_ram_ops = { | |
| 25 | + .get_info = sandbox_get_info, | |
| 26 | +}; | |
| 27 | + | |
| 28 | +static const struct udevice_id sandbox_ram_ids[] = { | |
| 29 | + { .compatible = "sandbox,ram" }, | |
| 30 | + { } | |
| 31 | +}; | |
| 32 | + | |
| 33 | +U_BOOT_DRIVER(warm_ram_sandbox) = { | |
| 34 | + .name = "ram_sandbox", | |
| 35 | + .id = UCLASS_RAM, | |
| 36 | + .of_match = sandbox_ram_ids, | |
| 37 | + .ops = &sandbox_ram_ops, | |
| 38 | +}; |
test/dm/Makefile
test/dm/ram.c
| 1 | +/* | |
| 2 | + * Copyright (C) 2015 Google, Inc | |
| 3 | + * | |
| 4 | + * SPDX-License-Identifier: GPL-2.0+ | |
| 5 | + */ | |
| 6 | + | |
| 7 | +#include <common.h> | |
| 8 | +#include <dm.h> | |
| 9 | +#include <ram.h> | |
| 10 | +#include <dm/test.h> | |
| 11 | +#include <test/ut.h> | |
| 12 | + | |
| 13 | +DECLARE_GLOBAL_DATA_PTR; | |
| 14 | + | |
| 15 | +/* Basic test of the ram uclass */ | |
| 16 | +static int dm_test_ram_base(struct unit_test_state *uts) | |
| 17 | +{ | |
| 18 | + struct udevice *dev; | |
| 19 | + struct ram_info info; | |
| 20 | + | |
| 21 | + ut_assertok(uclass_get_device(UCLASS_RAM, 0, &dev)); | |
| 22 | + ut_assertok(ram_get_info(dev, &info)); | |
| 23 | + ut_asserteq(0, info.base); | |
| 24 | + ut_asserteq(gd->ram_size, info.size); | |
| 25 | + | |
| 26 | + return 0; | |
| 27 | +} | |
| 28 | +DM_TEST(dm_test_ram_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); |