Merge tag 'for-v2020.04' of https://gitlab.denx.de/u-boot/custodians/u-boot-i2c
[oweals/u-boot.git] / test / dm / blk.c
index 012bf4cab56ef43fbfa605c7bac9a32eebd4baa1..9c71adc69d914977a9cb0460980c949a4ae3af91 100644 (file)
@@ -1,7 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright (C) 2015 Google, Inc
- *
- * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #include <common.h>
@@ -16,34 +15,29 @@ DECLARE_GLOBAL_DATA_PTR;
 /* Test that block devices can be created */
 static int dm_test_blk_base(struct unit_test_state *uts)
 {
-       struct udevice *blk, *usb_blk, *dev;
+       struct udevice *blk1, *blk3, *dev;
 
        /* Make sure there are no block devices */
-       ut_asserteq(-ENODEV, uclass_get_device_by_seq(UCLASS_BLK, 0, &blk));
+       ut_asserteq(-ENODEV, uclass_get_device_by_seq(UCLASS_BLK, 0, &dev));
 
        /* Create two, one the parent of the other */
        ut_assertok(blk_create_device(gd->dm_root, "sandbox_host_blk", "test",
-                                     IF_TYPE_HOST, 1, 512, 1024, &blk));
-       ut_assertok(blk_create_device(blk, "usb_storage_blk", "test",
-                                     IF_TYPE_USB, 3, 512, 1024, &usb_blk));
+                                     IF_TYPE_HOST, 1, 512, 2, &blk1));
+       ut_assertok(blk_create_device(blk1, "sandbox_host_blk", "test",
+                                     IF_TYPE_HOST, 3, 512, 2, &blk3));
 
        /* Check we can find them */
        ut_asserteq(-ENODEV, blk_get_device(IF_TYPE_HOST, 0, &dev));
        ut_assertok(blk_get_device(IF_TYPE_HOST, 1, &dev));
-       ut_asserteq_ptr(blk, dev);
-
-       ut_asserteq(-ENODEV, blk_get_device(IF_TYPE_USB, 0, &dev));
-       ut_assertok(blk_get_device(IF_TYPE_USB, 3, &dev));
-       ut_asserteq_ptr(usb_blk, dev);
+       ut_asserteq_ptr(blk1, dev);
+       ut_assertok(blk_get_device(IF_TYPE_HOST, 3, &dev));
+       ut_asserteq_ptr(blk3, dev);
 
        /* Check we can iterate */
        ut_assertok(blk_first_device(IF_TYPE_HOST, &dev));
-       ut_asserteq_ptr(blk, dev);
-       ut_asserteq(-ENODEV, blk_next_device(&dev));
-
-       ut_assertok(blk_first_device(IF_TYPE_USB, &dev));
-       ut_asserteq_ptr(usb_blk, dev);
-       ut_asserteq(-ENODEV, blk_next_device(&dev));
+       ut_asserteq_ptr(blk1, dev);
+       ut_assertok(blk_next_device(&dev));
+       ut_asserteq_ptr(blk3, dev);
 
        return 0;
 }
@@ -83,14 +77,88 @@ static int dm_test_blk_usb(struct unit_test_state *uts)
        ut_asserteq_ptr(usb_dev, dev_get_parent(dev));
 
        /* Check we have one block device for each mass storage device */
-       ut_asserteq(4, count_blk_devices());
+       ut_asserteq(6, count_blk_devices());
 
        /* Now go around again, making sure the old devices were unbound */
        ut_assertok(usb_stop());
        ut_assertok(usb_init());
-       ut_asserteq(4, count_blk_devices());
+       ut_asserteq(6, count_blk_devices());
        ut_assertok(usb_stop());
 
        return 0;
 }
 DM_TEST(dm_test_blk_usb, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+/* Test that we can find block devices without probing them */
+static int dm_test_blk_find(struct unit_test_state *uts)
+{
+       struct udevice *blk, *dev;
+
+       ut_assertok(blk_create_device(gd->dm_root, "sandbox_host_blk", "test",
+                                     IF_TYPE_HOST, 1, 512, 2, &blk));
+       ut_asserteq(-ENODEV, blk_find_device(IF_TYPE_HOST, 0, &dev));
+       ut_assertok(blk_find_device(IF_TYPE_HOST, 1, &dev));
+       ut_asserteq_ptr(blk, dev);
+       ut_asserteq(false, device_active(dev));
+
+       /* Now activate it */
+       ut_assertok(blk_get_device(IF_TYPE_HOST, 1, &dev));
+       ut_asserteq_ptr(blk, dev);
+       ut_asserteq(true, device_active(dev));
+
+       return 0;
+}
+DM_TEST(dm_test_blk_find, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+/* Test that block device numbering works as expected */
+static int dm_test_blk_devnum(struct unit_test_state *uts)
+{
+       struct udevice *dev, *mmc_dev, *parent;
+       int i;
+
+       /*
+        * Probe the devices, with the first one being probed last. This is the
+        * one with no alias / sequence numnber.
+        */
+       ut_assertok(uclass_get_device(UCLASS_MMC, 1, &dev));
+       ut_assertok(uclass_get_device(UCLASS_MMC, 2, &dev));
+       ut_assertok(uclass_get_device(UCLASS_MMC, 0, &dev));
+       for (i = 0; i < 3; i++) {
+               struct blk_desc *desc;
+
+               /* Check that the bblock device is attached */
+               ut_assertok(uclass_get_device_by_seq(UCLASS_MMC, i, &mmc_dev));
+               ut_assertok(blk_find_device(IF_TYPE_MMC, i, &dev));
+               parent = dev_get_parent(dev);
+               ut_asserteq_ptr(parent, mmc_dev);
+               ut_asserteq(trailing_strtol(mmc_dev->name), i);
+
+               /*
+                * Check that the block device devnum matches its parent's
+                * sequence number
+                */
+               desc = dev_get_uclass_platdata(dev);
+               ut_asserteq(desc->devnum, i);
+       }
+
+       return 0;
+}
+DM_TEST(dm_test_blk_devnum, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+/* Test that we can get a block from its parent */
+static int dm_test_blk_get_from_parent(struct unit_test_state *uts)
+{
+       struct udevice *dev, *blk;
+
+       ut_assertok(uclass_get_device(UCLASS_MMC, 0, &dev));
+       ut_assertok(blk_get_from_parent(dev, &blk));
+
+       ut_assertok(uclass_get_device(UCLASS_I2C, 0, &dev));
+       ut_asserteq(-ENOTBLK, blk_get_from_parent(dev, &blk));
+
+       ut_assertok(uclass_get_device(UCLASS_GPIO, 0, &dev));
+       ut_asserteq(-ENODEV, blk_get_from_parent(dev, &blk));
+
+       return 0;
+}
+DM_TEST(dm_test_blk_get_from_parent, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);