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 <dm/ut.h> 12 13 /* Test that sandbox PCI works correctly */ 14 static int dm_test_pci_base(struct dm_test_state *dms) 15 { 16 struct udevice *bus; 17 18 ut_assertok(uclass_get_device(UCLASS_PCI, 0, &bus)); 19 20 return 0; 21 } 22 DM_TEST(dm_test_pci_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); 23 24 /* Test that we can use the swapcase device correctly */ 25 static int dm_test_pci_swapcase(struct dm_test_state *dms) 26 { 27 pci_dev_t pci_dev = PCI_BDF(0, 0x1f, 0); 28 struct pci_controller *hose; 29 struct udevice *bus, *swap; 30 ulong io_addr, mem_addr; 31 char *ptr; 32 33 /* Check that asking for the device automatically fires up PCI */ 34 ut_assertok(uclass_get_device(UCLASS_PCI_EMUL, 0, &swap)); 35 36 ut_assertok(uclass_get_device(UCLASS_PCI, 0, &bus)); 37 hose = dev_get_uclass_priv(bus); 38 39 /* First test I/O */ 40 io_addr = pci_read_bar32(hose, pci_dev, 0); 41 outb(2, io_addr); 42 ut_asserteq(2, inb(io_addr)); 43 44 /* 45 * Now test memory mapping - note we must unmap and remap to cause 46 * the swapcase emulation to see our data and response. 47 */ 48 mem_addr = pci_read_bar32(hose, pci_dev, 1); 49 ptr = map_sysmem(mem_addr, 20); 50 strcpy(ptr, "This is a TesT"); 51 unmap_sysmem(ptr); 52 53 ptr = map_sysmem(mem_addr, 20); 54 ut_asserteq_str("tHIS IS A tESt", ptr); 55 unmap_sysmem(ptr); 56 57 return 0; 58 } 59 DM_TEST(dm_test_pci_swapcase, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); 60