test/dm/phys2bus.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (c) 2020 Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
   4  */
   5
   6 #include <common.h>
   7 #include <dm.h>
   8 #include <mapmem.h>
   9 #include <phys2bus.h>
  10 #include <dm/device.h>
  11 #include <dm/ofnode.h>
  12 #include <dm/root.h>
  13 #include <dm/test.h>
  14 #include <dm/uclass-internal.h>
  15 #include <test/ut.h>
  16
  17 static int dm_test_phys_to_bus(struct unit_test_state *uts)
  18 {
  19         struct udevice *dev;
  20         ofnode node;
  21
  22         node = ofnode_path("/mmio-bus@0");
  23         ut_assert(ofnode_valid(node));
  24         ut_assertok(uclass_get_device_by_ofnode(UCLASS_TEST_BUS, node, &dev));
  25         /* In this case it should be transparent, no dma-ranges in parent bus */
  26         ut_asserteq_addr((void*)0xfffffULL, (void*)dev_phys_to_bus(dev, 0xfffff));
  27         ut_asserteq_addr((void*)0xfffffULL, (void*)(ulong)dev_bus_to_phys(dev, 0xfffff));
  28
  29         node = ofnode_path("/mmio-bus@0/subnode@0");
  30         ut_assert(ofnode_valid(node));
  31         ut_assertok(uclass_get_device_by_ofnode(UCLASS_TEST_FDT, node, &dev));
  32         ut_asserteq_addr((void*)0x100fffffULL, (void*)dev_phys_to_bus(dev, 0xfffff));
  33         ut_asserteq_addr((void*)0xfffffULL, (void*)(ulong)dev_bus_to_phys(dev, 0x100fffff));
  34
  35         return 0;
  36 }
  37 DM_TEST(dm_test_phys_to_bus, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);