LXR uboot/test/dm/pci.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 <asm/io.h>
  10#include <dm/test.h>
  11#include <test/ut.h>
  12
  13/* Test that sandbox PCI works correctly */
  14static int dm_test_pci_base(struct unit_test_state *uts)
  15{
  16        struct udevice *bus;
  17
  18        ut_assertok(uclass_get_device(UCLASS_PCI, 0, &bus));
  19
  20        return 0;
  21}
  22DM_TEST(dm_test_pci_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
  23
  24/* Test that sandbox PCI bus numbering works correctly */
  25static int dm_test_pci_busnum(struct unit_test_state *uts)
  26{
  27        struct udevice *bus;
  28
  29        ut_assertok(uclass_get_device_by_seq(UCLASS_PCI, 0, &bus));
  30
  31        return 0;
  32}
  33DM_TEST(dm_test_pci_busnum, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
  34
  35/* Test that we can use the swapcase device correctly */
  36static int dm_test_pci_swapcase(struct unit_test_state *uts)
  37{
  38        struct udevice *emul, *swap;
  39        ulong io_addr, mem_addr;
  40        char *ptr;
  41
  42        /* Check that asking for the device automatically fires up PCI */
  43        ut_assertok(uclass_get_device(UCLASS_PCI_EMUL, 0, &emul));
  44        ut_assertok(dm_pci_bus_find_bdf(PCI_BDF(0, 0x1f, 0), &swap));
  45        ut_assert(device_active(swap));
  46
  47        /* First test I/O */
  48        io_addr = dm_pci_read_bar32(swap, 0);
  49        outb(2, io_addr);
  50        ut_asserteq(2, inb(io_addr));
  51
  52        /*
  53         * Now test memory mapping - note we must unmap and remap to cause
  54         * the swapcase emulation to see our data and response.
  55         */
  56        mem_addr = dm_pci_read_bar32(swap, 1);
  57        ptr = map_sysmem(mem_addr, 20);
  58        strcpy(ptr, "This is a TesT");
  59        unmap_sysmem(ptr);
  60
  61        ptr = map_sysmem(mem_addr, 20);
  62        ut_asserteq_str("tHIS IS A tESt", ptr);
  63        unmap_sysmem(ptr);
  64
  65        return 0;
  66}
  67DM_TEST(dm_test_pci_swapcase, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
  68