/*
   * Copyright (C) 2015 Google, Inc
   *
   * SPDX-License-Identifier:	GPL-2.0+
   */
  
  #include <common.h>
  #include <dm.h>
  #include <asm/io.h>
  #include <dm/test.h>
  #include <test/ut.h>
  
  /* Test that sandbox PCI works correctly */
  static int dm_test_pci_base(struct unit_test_state *uts)
  {
  	struct udevice *bus;
  
  	ut_assertok(uclass_get_device(UCLASS_PCI, 0, &bus));
  
  	return 0;
  }
  DM_TEST(dm_test_pci_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
  
  /* Test that sandbox PCI bus numbering works correctly */
  static int dm_test_pci_busnum(struct unit_test_state *uts)
  {
  	struct udevice *bus;
  
  	ut_assertok(uclass_get_device_by_seq(UCLASS_PCI, 0, &bus));
  
  	return 0;
  }
  DM_TEST(dm_test_pci_busnum, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
  
  /* Test that we can use the swapcase device correctly */
  static int dm_test_pci_swapcase(struct unit_test_state *uts)
  {
  	struct udevice *emul, *swap;
  	ulong io_addr, mem_addr;
  	char *ptr;
  
  	/* Check that asking for the device automatically fires up PCI */
  	ut_assertok(uclass_get_device(UCLASS_PCI_EMUL, 0, &emul));
  	ut_assertok(dm_pci_bus_find_bdf(PCI_BDF(0, 0x1f, 0), &swap));
  	ut_assert(device_active(swap));
  
  	/* First test I/O */
  	io_addr = dm_pci_read_bar32(swap, 0);
  	outb(2, io_addr);
  	ut_asserteq(2, inb(io_addr));
  
  	/*
  	 * Now test memory mapping - note we must unmap and remap to cause
  	 * the swapcase emulation to see our data and response.
  	 */
  	mem_addr = dm_pci_read_bar32(swap, 1);
  	ptr = map_sysmem(mem_addr, 20);
  	strcpy(ptr, "This is a TesT");
  	unmap_sysmem(ptr);
  
  	ptr = map_sysmem(mem_addr, 20);
  	ut_asserteq_str("tHIS IS A tESt", ptr);
  	unmap_sysmem(ptr);
  
  	return 0;
  }
  DM_TEST(dm_test_pci_swapcase, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);