GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)
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// 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 <usb.h>
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#include <asm/state.h>
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#include <dm/test.h>
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#include <test/ut.h>
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DECLARE_GLOBAL_DATA_PTR;
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/* Test that block devices can be created */
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static int dm_test_blk_base(struct unit_test_state *uts)
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{
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struct udevice *blk1, *blk3, *dev;
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/* Make sure there are no block devices */
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ut_asserteq(-ENODEV, uclass_get_device_by_seq(UCLASS_BLK, 0, &dev));
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/* Create two, one the parent of the other */
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ut_assertok(blk_create_device(gd->dm_root, "sandbox_host_blk", "test",
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IF_TYPE_HOST, 1, 512, 2, &blk1));
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ut_assertok(blk_create_device(blk1, "sandbox_host_blk", "test",
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IF_TYPE_HOST, 3, 512, 2, &blk3));
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/* Check we can find them */
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ut_asserteq(-ENODEV, blk_get_device(IF_TYPE_HOST, 0, &dev));
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ut_assertok(blk_get_device(IF_TYPE_HOST, 1, &dev));
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ut_asserteq_ptr(blk1, dev);
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ut_assertok(blk_get_device(IF_TYPE_HOST, 3, &dev));
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ut_asserteq_ptr(blk3, dev);
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/* Check we can iterate */
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ut_assertok(blk_first_device(IF_TYPE_HOST, &dev));
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ut_asserteq_ptr(blk1, dev);
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ut_assertok(blk_next_device(&dev));
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ut_asserteq_ptr(blk3, dev);
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return 0;
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}
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DM_TEST(dm_test_blk_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
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static int count_blk_devices(void)
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{
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struct udevice *blk;
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struct uclass *uc;
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int count = 0;
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int ret;
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ret = uclass_get(UCLASS_BLK, &uc);
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if (ret)
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return ret;
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uclass_foreach_dev(blk, uc)
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count++;
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return count;
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}
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/* Test that block devices work correctly with USB */
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static int dm_test_blk_usb(struct unit_test_state *uts)
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{
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struct udevice *usb_dev, *dev;
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struct blk_desc *dev_desc;
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/* Get a flash device */
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state_set_skip_delays(true);
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ut_assertok(usb_init());
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ut_assertok(uclass_get_device(UCLASS_MASS_STORAGE, 0, &usb_dev));
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ut_assertok(blk_get_device_by_str("usb", "0", &dev_desc));
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/* The parent should be a block device */
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ut_assertok(blk_get_device(IF_TYPE_USB, 0, &dev));
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ut_asserteq_ptr(usb_dev, dev_get_parent(dev));
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/* Check we have one block device for each mass storage device */
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ut_asserteq(6, count_blk_devices());
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/* Now go around again, making sure the old devices were unbound */
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ut_assertok(usb_stop());
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ut_assertok(usb_init());
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ut_asserteq(6, count_blk_devices());
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ut_assertok(usb_stop());
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return 0;
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}
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DM_TEST(dm_test_blk_usb, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
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/* Test that we can find block devices without probing them */
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static int dm_test_blk_find(struct unit_test_state *uts)
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{
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struct udevice *blk, *dev;
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ut_assertok(blk_create_device(gd->dm_root, "sandbox_host_blk", "test",
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IF_TYPE_HOST, 1, 512, 2, &blk));
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ut_asserteq(-ENODEV, blk_find_device(IF_TYPE_HOST, 0, &dev));
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ut_assertok(blk_find_device(IF_TYPE_HOST, 1, &dev));
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ut_asserteq_ptr(blk, dev);
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ut_asserteq(false, device_active(dev));
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/* Now activate it */
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ut_assertok(blk_get_device(IF_TYPE_HOST, 1, &dev));
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ut_asserteq_ptr(blk, dev);
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ut_asserteq(true, device_active(dev));
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return 0;
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}
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DM_TEST(dm_test_blk_find, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
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/* Test that block device numbering works as expected */
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static int dm_test_blk_devnum(struct unit_test_state *uts)
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{
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struct udevice *dev, *mmc_dev, *parent;
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int i;
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/*
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* Probe the devices, with the first one being probed last. This is the
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* one with no alias / sequence numnber.
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*/
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ut_assertok(uclass_get_device(UCLASS_MMC, 1, &dev));
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ut_assertok(uclass_get_device(UCLASS_MMC, 2, &dev));
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ut_assertok(uclass_get_device(UCLASS_MMC, 0, &dev));
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for (i = 0; i < 3; i++) {
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struct blk_desc *desc;
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/* Check that the bblock device is attached */
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ut_assertok(uclass_get_device_by_seq(UCLASS_MMC, i, &mmc_dev));
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ut_assertok(blk_find_device(IF_TYPE_MMC, i, &dev));
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parent = dev_get_parent(dev);
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ut_asserteq_ptr(parent, mmc_dev);
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ut_asserteq(trailing_strtol(mmc_dev->name), i);
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/*
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* Check that the block device devnum matches its parent's
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* sequence number
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*/
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desc = dev_get_uclass_platdata(dev);
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ut_asserteq(desc->devnum, i);
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}
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return 0;
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}
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DM_TEST(dm_test_blk_devnum, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
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/* Test that we can get a block from its parent */
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static int dm_test_blk_get_from_parent(struct unit_test_state *uts)
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{
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struct udevice *dev, *blk;
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ut_assertok(uclass_get_device(UCLASS_MMC, 0, &dev));
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ut_assertok(blk_get_from_parent(dev, &blk));
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ut_assertok(uclass_get_device(UCLASS_I2C, 0, &dev));
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ut_asserteq(-ENOTBLK, blk_get_from_parent(dev, &blk));
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ut_assertok(uclass_get_device(UCLASS_GPIO, 0, &dev));
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ut_asserteq(-ENODEV, blk_get_from_parent(dev, &blk));
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return 0;
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}
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DM_TEST(dm_test_blk_get_from_parent, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
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