pci.c
1.66 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
/*
* 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);