1*d3b7ff14SSimon Glass /* 2*d3b7ff14SSimon Glass * Copyright (C) 2015 Google, Inc 3*d3b7ff14SSimon Glass * 4*d3b7ff14SSimon Glass * SPDX-License-Identifier: GPL-2.0+ 5*d3b7ff14SSimon Glass */ 6*d3b7ff14SSimon Glass 7*d3b7ff14SSimon Glass #include <common.h> 8*d3b7ff14SSimon Glass #include <dm.h> 9*d3b7ff14SSimon Glass #include <asm/io.h> 10*d3b7ff14SSimon Glass #include <dm/test.h> 11*d3b7ff14SSimon Glass #include <dm/ut.h> 12*d3b7ff14SSimon Glass 13*d3b7ff14SSimon Glass /* Test that sandbox PCI works correctly */ 14*d3b7ff14SSimon Glass static int dm_test_pci_base(struct dm_test_state *dms) 15*d3b7ff14SSimon Glass { 16*d3b7ff14SSimon Glass struct udevice *bus; 17*d3b7ff14SSimon Glass 18*d3b7ff14SSimon Glass ut_assertok(uclass_get_device(UCLASS_PCI, 0, &bus)); 19*d3b7ff14SSimon Glass 20*d3b7ff14SSimon Glass return 0; 21*d3b7ff14SSimon Glass } 22*d3b7ff14SSimon Glass DM_TEST(dm_test_pci_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); 23*d3b7ff14SSimon Glass 24*d3b7ff14SSimon Glass /* Test that we can use the swapcase device correctly */ 25*d3b7ff14SSimon Glass static int dm_test_pci_swapcase(struct dm_test_state *dms) 26*d3b7ff14SSimon Glass { 27*d3b7ff14SSimon Glass pci_dev_t pci_dev = PCI_BDF(0, 0x1f, 0); 28*d3b7ff14SSimon Glass struct pci_controller *hose; 29*d3b7ff14SSimon Glass struct udevice *bus, *swap; 30*d3b7ff14SSimon Glass ulong io_addr, mem_addr; 31*d3b7ff14SSimon Glass char *ptr; 32*d3b7ff14SSimon Glass 33*d3b7ff14SSimon Glass /* Check that asking for the device automatically fires up PCI */ 34*d3b7ff14SSimon Glass ut_assertok(uclass_get_device(UCLASS_PCI_EMUL, 0, &swap)); 35*d3b7ff14SSimon Glass 36*d3b7ff14SSimon Glass ut_assertok(uclass_get_device(UCLASS_PCI, 0, &bus)); 37*d3b7ff14SSimon Glass hose = dev_get_uclass_priv(bus); 38*d3b7ff14SSimon Glass 39*d3b7ff14SSimon Glass /* First test I/O */ 40*d3b7ff14SSimon Glass io_addr = pci_read_bar32(hose, pci_dev, 0); 41*d3b7ff14SSimon Glass outb(2, io_addr); 42*d3b7ff14SSimon Glass ut_asserteq(2, inb(io_addr)); 43*d3b7ff14SSimon Glass 44*d3b7ff14SSimon Glass /* 45*d3b7ff14SSimon Glass * Now test memory mapping - note we must unmap and remap to cause 46*d3b7ff14SSimon Glass * the swapcase emulation to see our data and response. 47*d3b7ff14SSimon Glass */ 48*d3b7ff14SSimon Glass mem_addr = pci_read_bar32(hose, pci_dev, 1); 49*d3b7ff14SSimon Glass ptr = map_sysmem(mem_addr, 20); 50*d3b7ff14SSimon Glass strcpy(ptr, "This is a TesT"); 51*d3b7ff14SSimon Glass unmap_sysmem(ptr); 52*d3b7ff14SSimon Glass 53*d3b7ff14SSimon Glass ptr = map_sysmem(mem_addr, 20); 54*d3b7ff14SSimon Glass ut_asserteq_str("tHIS IS A tESt", ptr); 55*d3b7ff14SSimon Glass unmap_sysmem(ptr); 56*d3b7ff14SSimon Glass 57*d3b7ff14SSimon Glass return 0; 58*d3b7ff14SSimon Glass } 59*d3b7ff14SSimon Glass DM_TEST(dm_test_pci_swapcase, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); 60