1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * Copyright (C) 2015 Google, Inc
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+
5*4882a593Smuzhiyun */
6*4882a593Smuzhiyun
7*4882a593Smuzhiyun #include <common.h>
8*4882a593Smuzhiyun #include <dm.h>
9*4882a593Smuzhiyun #include <asm/io.h>
10*4882a593Smuzhiyun #include <dm/test.h>
11*4882a593Smuzhiyun #include <test/ut.h>
12*4882a593Smuzhiyun
13*4882a593Smuzhiyun /* Test that sandbox PCI works correctly */
dm_test_pci_base(struct unit_test_state * uts)14*4882a593Smuzhiyun static int dm_test_pci_base(struct unit_test_state *uts)
15*4882a593Smuzhiyun {
16*4882a593Smuzhiyun struct udevice *bus;
17*4882a593Smuzhiyun
18*4882a593Smuzhiyun ut_assertok(uclass_get_device(UCLASS_PCI, 0, &bus));
19*4882a593Smuzhiyun
20*4882a593Smuzhiyun return 0;
21*4882a593Smuzhiyun }
22*4882a593Smuzhiyun DM_TEST(dm_test_pci_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
23*4882a593Smuzhiyun
24*4882a593Smuzhiyun /* Test that sandbox PCI bus numbering works correctly */
dm_test_pci_busnum(struct unit_test_state * uts)25*4882a593Smuzhiyun static int dm_test_pci_busnum(struct unit_test_state *uts)
26*4882a593Smuzhiyun {
27*4882a593Smuzhiyun struct udevice *bus;
28*4882a593Smuzhiyun
29*4882a593Smuzhiyun ut_assertok(uclass_get_device_by_seq(UCLASS_PCI, 0, &bus));
30*4882a593Smuzhiyun
31*4882a593Smuzhiyun return 0;
32*4882a593Smuzhiyun }
33*4882a593Smuzhiyun DM_TEST(dm_test_pci_busnum, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun /* Test that we can use the swapcase device correctly */
dm_test_pci_swapcase(struct unit_test_state * uts)36*4882a593Smuzhiyun static int dm_test_pci_swapcase(struct unit_test_state *uts)
37*4882a593Smuzhiyun {
38*4882a593Smuzhiyun struct udevice *emul, *swap;
39*4882a593Smuzhiyun ulong io_addr, mem_addr;
40*4882a593Smuzhiyun char *ptr;
41*4882a593Smuzhiyun
42*4882a593Smuzhiyun /* Check that asking for the device automatically fires up PCI */
43*4882a593Smuzhiyun ut_assertok(uclass_get_device(UCLASS_PCI_EMUL, 0, &emul));
44*4882a593Smuzhiyun ut_assertok(dm_pci_bus_find_bdf(PCI_BDF(0, 0x1f, 0), &swap));
45*4882a593Smuzhiyun ut_assert(device_active(swap));
46*4882a593Smuzhiyun
47*4882a593Smuzhiyun /* First test I/O */
48*4882a593Smuzhiyun io_addr = dm_pci_read_bar32(swap, 0);
49*4882a593Smuzhiyun outb(2, io_addr);
50*4882a593Smuzhiyun ut_asserteq(2, inb(io_addr));
51*4882a593Smuzhiyun
52*4882a593Smuzhiyun /*
53*4882a593Smuzhiyun * Now test memory mapping - note we must unmap and remap to cause
54*4882a593Smuzhiyun * the swapcase emulation to see our data and response.
55*4882a593Smuzhiyun */
56*4882a593Smuzhiyun mem_addr = dm_pci_read_bar32(swap, 1);
57*4882a593Smuzhiyun ptr = map_sysmem(mem_addr, 20);
58*4882a593Smuzhiyun strcpy(ptr, "This is a TesT");
59*4882a593Smuzhiyun unmap_sysmem(ptr);
60*4882a593Smuzhiyun
61*4882a593Smuzhiyun ptr = map_sysmem(mem_addr, 20);
62*4882a593Smuzhiyun ut_asserteq_str("tHIS IS A tESt", ptr);
63*4882a593Smuzhiyun unmap_sysmem(ptr);
64*4882a593Smuzhiyun
65*4882a593Smuzhiyun return 0;
66*4882a593Smuzhiyun }
67*4882a593Smuzhiyun DM_TEST(dm_test_pci_swapcase, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
68