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