123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378 |
- // SPDX-License-Identifier: GPL-2.0+
- /*
- * Copyright (C) 2015 Google, Inc
- */
- #include <common.h>
- #include <dm.h>
- #include <asm/io.h>
- #include <asm/test.h>
- #include <dm/test.h>
- #include <test/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, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
- /* Test that sandbox PCI bus numbering and device works correctly */
- static int dm_test_pci_busdev(struct unit_test_state *uts)
- {
- struct udevice *bus;
- struct udevice *swap;
- u16 vendor, device;
- /* Test bus#0 and its devices */
- ut_assertok(uclass_get_device_by_seq(UCLASS_PCI, 0, &bus));
- ut_assertok(dm_pci_bus_find_bdf(PCI_BDF(0, 0x00, 0), &swap));
- vendor = 0;
- ut_assertok(dm_pci_read_config16(swap, PCI_VENDOR_ID, &vendor));
- ut_asserteq(SANDBOX_PCI_VENDOR_ID, vendor);
- ut_assertok(dm_pci_bus_find_bdf(PCI_BDF(0, 0x1f, 0), &swap));
- device = 0;
- ut_assertok(dm_pci_read_config16(swap, PCI_DEVICE_ID, &device));
- ut_asserteq(SANDBOX_PCI_SWAP_CASE_EMUL_ID, device);
- /* Test bus#1 and its devices */
- ut_assertok(uclass_get_device_by_seq(UCLASS_PCI, 1, &bus));
- ut_assertok(dm_pci_bus_find_bdf(PCI_BDF(1, 0x08, 0), &swap));
- vendor = 0;
- ut_assertok(dm_pci_read_config16(swap, PCI_VENDOR_ID, &vendor));
- ut_asserteq(SANDBOX_PCI_VENDOR_ID, vendor);
- ut_assertok(dm_pci_bus_find_bdf(PCI_BDF(1, 0x0c, 0), &swap));
- device = 0;
- ut_assertok(dm_pci_read_config16(swap, PCI_DEVICE_ID, &device));
- ut_asserteq(SANDBOX_PCI_SWAP_CASE_EMUL_ID, device);
- return 0;
- }
- DM_TEST(dm_test_pci_busdev, UT_TESTF_SCAN_PDATA | UT_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 *swap;
- ulong io_addr, mem_addr;
- char *ptr;
- /* Check that asking for the device 0 automatically fires up PCI */
- ut_assertok(dm_pci_bus_find_bdf(PCI_BDF(0, 0x00, 0), &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);
- /* Check that asking for the device 1 automatically fires up PCI */
- ut_assertok(dm_pci_bus_find_bdf(PCI_BDF(0, 0x1f, 0), &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, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
- /* Test that we can dynamically bind the device driver correctly */
- static int dm_test_pci_drvdata(struct unit_test_state *uts)
- {
- struct udevice *bus, *swap;
- /* Check that asking for the device automatically fires up PCI */
- ut_assertok(uclass_get_device_by_seq(UCLASS_PCI, 1, &bus));
- ut_assertok(dm_pci_bus_find_bdf(PCI_BDF(1, 0x08, 0), &swap));
- ut_asserteq(SWAP_CASE_DRV_DATA, swap->driver_data);
- ut_assertok(dev_of_valid(swap));
- ut_assertok(dm_pci_bus_find_bdf(PCI_BDF(1, 0x0c, 0), &swap));
- ut_asserteq(SWAP_CASE_DRV_DATA, swap->driver_data);
- ut_assertok(dev_of_valid(swap));
- ut_assertok(dm_pci_bus_find_bdf(PCI_BDF(1, 0x10, 0), &swap));
- ut_asserteq(SWAP_CASE_DRV_DATA, swap->driver_data);
- ut_assertok(!dev_of_valid(swap));
- return 0;
- }
- DM_TEST(dm_test_pci_drvdata, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
- /* Test that devices on PCI bus#2 can be accessed correctly */
- static int dm_test_pci_mixed(struct unit_test_state *uts)
- {
- /* PCI bus#2 has both statically and dynamic declared devices */
- struct udevice *bus, *swap;
- u16 vendor, device;
- ulong io_addr, mem_addr;
- char *ptr;
- ut_assertok(uclass_get_device_by_seq(UCLASS_PCI, 2, &bus));
- /* Test the dynamic device */
- ut_assertok(dm_pci_bus_find_bdf(PCI_BDF(2, 0x08, 0), &swap));
- vendor = 0;
- ut_assertok(dm_pci_read_config16(swap, PCI_VENDOR_ID, &vendor));
- ut_asserteq(SANDBOX_PCI_VENDOR_ID, vendor);
- /* 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, 30);
- strcpy(ptr, "This is a TesT oN dYNAMIc");
- unmap_sysmem(ptr);
- ptr = map_sysmem(mem_addr, 30);
- ut_asserteq_str("tHIS IS A tESt On DynamiC", ptr);
- unmap_sysmem(ptr);
- /* Test the static device */
- ut_assertok(dm_pci_bus_find_bdf(PCI_BDF(2, 0x1f, 0), &swap));
- device = 0;
- ut_assertok(dm_pci_read_config16(swap, PCI_DEVICE_ID, &device));
- ut_asserteq(SANDBOX_PCI_SWAP_CASE_EMUL_ID, device);
- /* 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, 30);
- strcpy(ptr, "This is a TesT oN sTATIc");
- unmap_sysmem(ptr);
- ptr = map_sysmem(mem_addr, 30);
- ut_asserteq_str("tHIS IS A tESt On StatiC", ptr);
- unmap_sysmem(ptr);
- return 0;
- }
- DM_TEST(dm_test_pci_mixed, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
- /* Test looking up PCI capability and extended capability */
- static int dm_test_pci_cap(struct unit_test_state *uts)
- {
- struct udevice *bus, *swap;
- int cap;
- ut_assertok(uclass_get_device_by_seq(UCLASS_PCI, 0, &bus));
- ut_assertok(dm_pci_bus_find_bdf(PCI_BDF(0, 0x1f, 0), &swap));
- /* look up PCI_CAP_ID_EXP */
- cap = dm_pci_find_capability(swap, PCI_CAP_ID_EXP);
- ut_asserteq(PCI_CAP_ID_EXP_OFFSET, cap);
- /* look up PCI_CAP_ID_PCIX */
- cap = dm_pci_find_capability(swap, PCI_CAP_ID_PCIX);
- ut_asserteq(0, cap);
- /* look up PCI_CAP_ID_MSIX starting from PCI_CAP_ID_PM_OFFSET */
- cap = dm_pci_find_next_capability(swap, PCI_CAP_ID_PM_OFFSET,
- PCI_CAP_ID_MSIX);
- ut_asserteq(PCI_CAP_ID_MSIX_OFFSET, cap);
- /* look up PCI_CAP_ID_VNDR starting from PCI_CAP_ID_EXP_OFFSET */
- cap = dm_pci_find_next_capability(swap, PCI_CAP_ID_EXP_OFFSET,
- PCI_CAP_ID_VNDR);
- ut_asserteq(0, cap);
- ut_assertok(uclass_get_device_by_seq(UCLASS_PCI, 1, &bus));
- ut_assertok(dm_pci_bus_find_bdf(PCI_BDF(1, 0x08, 0), &swap));
- /* look up PCI_EXT_CAP_ID_DSN */
- cap = dm_pci_find_ext_capability(swap, PCI_EXT_CAP_ID_DSN);
- ut_asserteq(PCI_EXT_CAP_ID_DSN_OFFSET, cap);
- /* look up PCI_EXT_CAP_ID_SRIOV */
- cap = dm_pci_find_ext_capability(swap, PCI_EXT_CAP_ID_SRIOV);
- ut_asserteq(0, cap);
- /* look up PCI_EXT_CAP_ID_DSN starting from PCI_EXT_CAP_ID_ERR_OFFSET */
- cap = dm_pci_find_next_ext_capability(swap, PCI_EXT_CAP_ID_ERR_OFFSET,
- PCI_EXT_CAP_ID_DSN);
- ut_asserteq(PCI_EXT_CAP_ID_DSN_OFFSET, cap);
- /* look up PCI_EXT_CAP_ID_RCRB starting from PCI_EXT_CAP_ID_VC_OFFSET */
- cap = dm_pci_find_next_ext_capability(swap, PCI_EXT_CAP_ID_VC_OFFSET,
- PCI_EXT_CAP_ID_RCRB);
- ut_asserteq(0, cap);
- return 0;
- }
- DM_TEST(dm_test_pci_cap, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
- /* Test looking up BARs in EA capability structure */
- static int dm_test_pci_ea(struct unit_test_state *uts)
- {
- struct udevice *bus, *swap;
- void *bar;
- int cap;
- /*
- * use emulated device mapping function, we're not using real physical
- * addresses in this test
- */
- sandbox_set_enable_pci_map(true);
- ut_assertok(uclass_get_device_by_seq(UCLASS_PCI, 0, &bus));
- ut_assertok(dm_pci_bus_find_bdf(PCI_BDF(0, 0x01, 0), &swap));
- /* look up PCI_CAP_ID_EA */
- cap = dm_pci_find_capability(swap, PCI_CAP_ID_EA);
- ut_asserteq(PCI_CAP_ID_EA_OFFSET, cap);
- /* test swap case in BAR 1 */
- bar = dm_pci_map_bar(swap, PCI_BASE_ADDRESS_0, 0);
- ut_assertnonnull(bar);
- *(int *)bar = 2; /* swap upper/lower */
- bar = dm_pci_map_bar(swap, PCI_BASE_ADDRESS_1, 0);
- ut_assertnonnull(bar);
- strcpy(bar, "ea TEST");
- unmap_sysmem(bar);
- bar = dm_pci_map_bar(swap, PCI_BASE_ADDRESS_1, 0);
- ut_assertnonnull(bar);
- ut_asserteq_str("EA test", bar);
- /* test magic values in BARs2, 4; BAR 3 is n/a */
- bar = dm_pci_map_bar(swap, PCI_BASE_ADDRESS_2, 0);
- ut_assertnonnull(bar);
- ut_asserteq(PCI_EA_BAR2_MAGIC, *(u32 *)bar);
- bar = dm_pci_map_bar(swap, PCI_BASE_ADDRESS_3, 0);
- ut_assertnull(bar);
- bar = dm_pci_map_bar(swap, PCI_BASE_ADDRESS_4, 0);
- ut_assertnonnull(bar);
- ut_asserteq(PCI_EA_BAR4_MAGIC, *(u32 *)bar);
- return 0;
- }
- DM_TEST(dm_test_pci_ea, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
- /* Test the dev_read_addr_pci() function */
- static int dm_test_pci_addr_flat(struct unit_test_state *uts)
- {
- struct udevice *swap1f, *swap1;
- ulong io_addr, mem_addr;
- ut_assertok(dm_pci_bus_find_bdf(PCI_BDF(0, 0x1f, 0), &swap1f));
- io_addr = dm_pci_read_bar32(swap1f, 0);
- ut_asserteq(io_addr, dev_read_addr_pci(swap1f));
- /*
- * This device has both I/O and MEM spaces but the MEM space appears
- * first
- */
- ut_assertok(dm_pci_bus_find_bdf(PCI_BDF(0, 0x1, 0), &swap1));
- mem_addr = dm_pci_read_bar32(swap1, 1);
- ut_asserteq(mem_addr, dev_read_addr_pci(swap1));
- return 0;
- }
- DM_TEST(dm_test_pci_addr_flat, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT |
- UT_TESTF_FLAT_TREE);
- /*
- * Test the dev_read_addr_pci() function with livetree. That function is
- * not currently fully implemented, in that it fails to return the BAR address.
- * Once that is implemented this test can be removed and dm_test_pci_addr_flat()
- * can be used for both flattree and livetree by removing the UT_TESTF_FLAT_TREE
- * flag above.
- */
- static int dm_test_pci_addr_live(struct unit_test_state *uts)
- {
- struct udevice *swap1f, *swap1;
- ut_assertok(dm_pci_bus_find_bdf(PCI_BDF(0, 0x1f, 0), &swap1f));
- ut_asserteq(FDT_ADDR_T_NONE, dev_read_addr_pci(swap1f));
- ut_assertok(dm_pci_bus_find_bdf(PCI_BDF(0, 0x1, 0), &swap1));
- ut_asserteq(FDT_ADDR_T_NONE, dev_read_addr_pci(swap1));
- return 0;
- }
- DM_TEST(dm_test_pci_addr_live, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT |
- UT_TESTF_LIVE_TREE);
- /* Test device_is_on_pci_bus() */
- static int dm_test_pci_on_bus(struct unit_test_state *uts)
- {
- struct udevice *dev;
- ut_assertok(dm_pci_bus_find_bdf(PCI_BDF(0, 0x1f, 0), &dev));
- ut_asserteq(true, device_is_on_pci_bus(dev));
- ut_asserteq(false, device_is_on_pci_bus(dev_get_parent(dev)));
- ut_asserteq(true, device_is_on_pci_bus(dev));
- return 0;
- }
- DM_TEST(dm_test_pci_on_bus, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
- /*
- * Test support for multiple memory regions enabled via
- * CONFIG_PCI_REGION_MULTI_ENTRY. When this feature is not enabled,
- * only the last region of one type is stored. In this test-case,
- * we have 2 memory regions, the first at 0x3000.0000 and the 2nd
- * at 0x3100.0000. A correct test results now in BAR1 located at
- * 0x3000.0000.
- */
- static int dm_test_pci_region_multi(struct unit_test_state *uts)
- {
- struct udevice *dev;
- ulong mem_addr;
- /* Test memory BAR1 on bus#1 */
- ut_assertok(dm_pci_bus_find_bdf(PCI_BDF(1, 0x08, 0), &dev));
- mem_addr = dm_pci_read_bar32(dev, 1);
- ut_asserteq(mem_addr, 0x30000000);
- return 0;
- }
- DM_TEST(dm_test_pci_region_multi, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
|