183d290c5STom Rini // SPDX-License-Identifier: GPL-2.0+ 2d3b7ff14SSimon Glass /* 3d3b7ff14SSimon Glass * Copyright (C) 2015 Google, Inc 4d3b7ff14SSimon Glass */ 5d3b7ff14SSimon Glass 6d3b7ff14SSimon Glass #include <common.h> 7d3b7ff14SSimon Glass #include <dm.h> 8d3b7ff14SSimon Glass #include <asm/io.h> 9d3b7ff14SSimon Glass #include <dm/test.h> 10e721b882SJoe Hershberger #include <test/ut.h> 11d3b7ff14SSimon Glass 12d3b7ff14SSimon Glass /* Test that sandbox PCI works correctly */ 13e721b882SJoe Hershberger static int dm_test_pci_base(struct unit_test_state *uts) 14d3b7ff14SSimon Glass { 15d3b7ff14SSimon Glass struct udevice *bus; 16d3b7ff14SSimon Glass 17d3b7ff14SSimon Glass ut_assertok(uclass_get_device(UCLASS_PCI, 0, &bus)); 18d3b7ff14SSimon Glass 19d3b7ff14SSimon Glass return 0; 20d3b7ff14SSimon Glass } 21d3b7ff14SSimon Glass DM_TEST(dm_test_pci_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); 22d3b7ff14SSimon Glass 232bb02e4fSSimon Glass /* Test that sandbox PCI bus numbering works correctly */ 242bb02e4fSSimon Glass static int dm_test_pci_busnum(struct unit_test_state *uts) 252bb02e4fSSimon Glass { 262bb02e4fSSimon Glass struct udevice *bus; 272bb02e4fSSimon Glass 282bb02e4fSSimon Glass ut_assertok(uclass_get_device_by_seq(UCLASS_PCI, 0, &bus)); 292bb02e4fSSimon Glass 302bb02e4fSSimon Glass return 0; 312bb02e4fSSimon Glass } 322bb02e4fSSimon Glass DM_TEST(dm_test_pci_busnum, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); 332bb02e4fSSimon Glass 34d3b7ff14SSimon Glass /* Test that we can use the swapcase device correctly */ 35e721b882SJoe Hershberger static int dm_test_pci_swapcase(struct unit_test_state *uts) 36d3b7ff14SSimon Glass { 37*dd4808f9SBin Meng struct udevice *swap; 38d3b7ff14SSimon Glass ulong io_addr, mem_addr; 39d3b7ff14SSimon Glass char *ptr; 40d3b7ff14SSimon Glass 41d3b7ff14SSimon Glass /* Check that asking for the device automatically fires up PCI */ 42c0322412SSimon Glass ut_assertok(dm_pci_bus_find_bdf(PCI_BDF(0, 0x1f, 0), &swap)); 43d3b7ff14SSimon Glass 44d3b7ff14SSimon Glass /* First test I/O */ 45c0322412SSimon Glass io_addr = dm_pci_read_bar32(swap, 0); 46d3b7ff14SSimon Glass outb(2, io_addr); 47d3b7ff14SSimon Glass ut_asserteq(2, inb(io_addr)); 48d3b7ff14SSimon Glass 49d3b7ff14SSimon Glass /* 50d3b7ff14SSimon Glass * Now test memory mapping - note we must unmap and remap to cause 51d3b7ff14SSimon Glass * the swapcase emulation to see our data and response. 52d3b7ff14SSimon Glass */ 53c0322412SSimon Glass mem_addr = dm_pci_read_bar32(swap, 1); 54d3b7ff14SSimon Glass ptr = map_sysmem(mem_addr, 20); 55d3b7ff14SSimon Glass strcpy(ptr, "This is a TesT"); 56d3b7ff14SSimon Glass unmap_sysmem(ptr); 57d3b7ff14SSimon Glass 58d3b7ff14SSimon Glass ptr = map_sysmem(mem_addr, 20); 59d3b7ff14SSimon Glass ut_asserteq_str("tHIS IS A tESt", ptr); 60d3b7ff14SSimon Glass unmap_sysmem(ptr); 61d3b7ff14SSimon Glass 62d3b7ff14SSimon Glass return 0; 63d3b7ff14SSimon Glass } 64d3b7ff14SSimon Glass DM_TEST(dm_test_pci_swapcase, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); 65