+// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2015 Google, Inc
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <dm.h>
#include <asm/io.h>
+#include <asm/test.h>
#include <dm/test.h>
#include <test/ut.h>
}
DM_TEST(dm_test_pci_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
-/* Test that sandbox PCI bus numbering works correctly */
-static int dm_test_pci_busnum(struct unit_test_state *uts)
+/* 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_busnum, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+DM_TEST(dm_test_pci_busdev, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
/* Test that we can use the swapcase device correctly */
static int dm_test_pci_swapcase(struct unit_test_state *uts)
{
- pci_dev_t pci_dev = PCI_BDF(0, 0x1f, 0);
- struct pci_controller *hose;
- struct udevice *bus, *swap;
+ struct udevice *swap;
ulong io_addr, mem_addr;
char *ptr;
- /* Check that asking for the device automatically fires up PCI */
- ut_assertok(uclass_get_device(UCLASS_PCI_EMUL, 0, &swap));
+ /* Check that asking for the device 0 automatically fires up PCI */
+ ut_assertok(dm_pci_bus_find_bdf(PCI_BDF(0, 0x00, 0), &swap));
- ut_assertok(uclass_get_device(UCLASS_PCI, 0, &bus));
- hose = dev_get_uclass_priv(bus);
+ /* 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 = pci_read_bar32(hose, pci_dev, 0);
+ 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 = pci_read_bar32(hose, pci_dev, 1);
+ mem_addr = dm_pci_read_bar32(swap, 1);
ptr = map_sysmem(mem_addr, 20);
strcpy(ptr, "This is a TesT");
unmap_sysmem(ptr);
return 0;
}
DM_TEST(dm_test_pci_swapcase, DM_TESTF_SCAN_PDATA | DM_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, DM_TESTF_SCAN_PDATA | DM_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, DM_TESTF_SCAN_PDATA | DM_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, DM_TESTF_SCAN_PDATA | DM_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, DM_TESTF_SCAN_PDATA | DM_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, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT |
+ DM_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 DM_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, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT |
+ DM_TESTF_LIVE_TREE);
projects / oweals / u-boot.git / blobdiff