223 lines
		
	
	
		
			6.4 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			223 lines
		
	
	
		
			6.4 KiB
		
	
	
	
		
			C
		
	
	
	
// SPDX-License-Identifier: GPL-2.0+
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/*
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 * Copyright (C) 2015 Google, Inc
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 */
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#include <common.h>
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#include <dm.h>
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#include <asm/io.h>
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#include <asm/test.h>
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#include <dm/test.h>
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#include <test/ut.h>
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/* Test that sandbox PCI works correctly */
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static int dm_test_pci_base(struct unit_test_state *uts)
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{
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	struct udevice *bus;
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	ut_assertok(uclass_get_device(UCLASS_PCI, 0, &bus));
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	return 0;
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}
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DM_TEST(dm_test_pci_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
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/* Test that sandbox PCI bus numbering and device works correctly */
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static int dm_test_pci_busdev(struct unit_test_state *uts)
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{
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	struct udevice *bus;
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	struct udevice *swap;
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	u16 vendor, device;
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	/* Test bus#0 and its devices */
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	ut_assertok(uclass_get_device_by_seq(UCLASS_PCI, 0, &bus));
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	ut_assertok(dm_pci_bus_find_bdf(PCI_BDF(0, 0x00, 0), &swap));
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	vendor = 0;
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	ut_assertok(dm_pci_read_config16(swap, PCI_VENDOR_ID, &vendor));
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	ut_asserteq(SANDBOX_PCI_VENDOR_ID, vendor);
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	ut_assertok(dm_pci_bus_find_bdf(PCI_BDF(0, 0x1f, 0), &swap));
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	device = 0;
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	ut_assertok(dm_pci_read_config16(swap, PCI_DEVICE_ID, &device));
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	ut_asserteq(SANDBOX_PCI_DEVICE_ID, device);
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	/* Test bus#1 and its devices */
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	ut_assertok(uclass_get_device_by_seq(UCLASS_PCI, 1, &bus));
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	ut_assertok(dm_pci_bus_find_bdf(PCI_BDF(1, 0x08, 0), &swap));
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	vendor = 0;
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	ut_assertok(dm_pci_read_config16(swap, PCI_VENDOR_ID, &vendor));
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	ut_asserteq(SANDBOX_PCI_VENDOR_ID, vendor);
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	ut_assertok(dm_pci_bus_find_bdf(PCI_BDF(1, 0x0c, 0), &swap));
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	device = 0;
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	ut_assertok(dm_pci_read_config16(swap, PCI_DEVICE_ID, &device));
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	ut_asserteq(SANDBOX_PCI_DEVICE_ID, device);
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	return 0;
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}
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DM_TEST(dm_test_pci_busdev, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
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/* Test that we can use the swapcase device correctly */
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static int dm_test_pci_swapcase(struct unit_test_state *uts)
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{
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	struct udevice *swap;
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	ulong io_addr, mem_addr;
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	char *ptr;
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	/* Check that asking for the device 0 automatically fires up PCI */
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	ut_assertok(dm_pci_bus_find_bdf(PCI_BDF(0, 0x00, 0), &swap));
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	/* First test I/O */
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	io_addr = dm_pci_read_bar32(swap, 0);
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	outb(2, io_addr);
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	ut_asserteq(2, inb(io_addr));
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	/*
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	 * Now test memory mapping - note we must unmap and remap to cause
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	 * the swapcase emulation to see our data and response.
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	 */
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	mem_addr = dm_pci_read_bar32(swap, 1);
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	ptr = map_sysmem(mem_addr, 20);
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	strcpy(ptr, "This is a TesT");
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	unmap_sysmem(ptr);
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	ptr = map_sysmem(mem_addr, 20);
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	ut_asserteq_str("tHIS IS A tESt", ptr);
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	unmap_sysmem(ptr);
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	/* Check that asking for the device 1 automatically fires up PCI */
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	ut_assertok(dm_pci_bus_find_bdf(PCI_BDF(0, 0x1f, 0), &swap));
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	/* First test I/O */
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	io_addr = dm_pci_read_bar32(swap, 0);
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	outb(2, io_addr);
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	ut_asserteq(2, inb(io_addr));
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	/*
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	 * Now test memory mapping - note we must unmap and remap to cause
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	 * the swapcase emulation to see our data and response.
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	 */
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	mem_addr = dm_pci_read_bar32(swap, 1);
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	ptr = map_sysmem(mem_addr, 20);
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	strcpy(ptr, "This is a TesT");
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	unmap_sysmem(ptr);
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	ptr = map_sysmem(mem_addr, 20);
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	ut_asserteq_str("tHIS IS A tESt", ptr);
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	unmap_sysmem(ptr);
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	return 0;
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}
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DM_TEST(dm_test_pci_swapcase, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
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/* Test that we can dynamically bind the device driver correctly */
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static int dm_test_pci_drvdata(struct unit_test_state *uts)
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{
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	struct udevice *bus, *swap;
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	/* Check that asking for the device automatically fires up PCI */
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	ut_assertok(uclass_get_device_by_seq(UCLASS_PCI, 1, &bus));
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	ut_assertok(dm_pci_bus_find_bdf(PCI_BDF(1, 0x08, 0), &swap));
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	ut_asserteq(SWAP_CASE_DRV_DATA, swap->driver_data);
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	ut_assertok(dm_pci_bus_find_bdf(PCI_BDF(1, 0x0c, 0), &swap));
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	ut_asserteq(SWAP_CASE_DRV_DATA, swap->driver_data);
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	return 0;
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}
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DM_TEST(dm_test_pci_drvdata, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
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/* Test that devices on PCI bus#2 can be accessed correctly */
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static int dm_test_pci_mixed(struct unit_test_state *uts)
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{
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	/* PCI bus#2 has both statically and dynamic declared devices */
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	struct udevice *bus, *swap;
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	u16 vendor, device;
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	ulong io_addr, mem_addr;
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	char *ptr;
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	ut_assertok(uclass_get_device_by_seq(UCLASS_PCI, 2, &bus));
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	/* Test the dynamic device */
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	ut_assertok(dm_pci_bus_find_bdf(PCI_BDF(2, 0x08, 0), &swap));
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	vendor = 0;
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	ut_assertok(dm_pci_read_config16(swap, PCI_VENDOR_ID, &vendor));
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	ut_asserteq(SANDBOX_PCI_VENDOR_ID, vendor);
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	/* First test I/O */
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	io_addr = dm_pci_read_bar32(swap, 0);
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	outb(2, io_addr);
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	ut_asserteq(2, inb(io_addr));
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	/*
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	 * Now test memory mapping - note we must unmap and remap to cause
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	 * the swapcase emulation to see our data and response.
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	 */
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	mem_addr = dm_pci_read_bar32(swap, 1);
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	ptr = map_sysmem(mem_addr, 30);
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	strcpy(ptr, "This is a TesT oN dYNAMIc");
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	unmap_sysmem(ptr);
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	ptr = map_sysmem(mem_addr, 30);
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	ut_asserteq_str("tHIS IS A tESt On DynamiC", ptr);
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	unmap_sysmem(ptr);
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	/* Test the static device */
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	ut_assertok(dm_pci_bus_find_bdf(PCI_BDF(2, 0x1f, 0), &swap));
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	device = 0;
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	ut_assertok(dm_pci_read_config16(swap, PCI_DEVICE_ID, &device));
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	ut_asserteq(SANDBOX_PCI_DEVICE_ID, device);
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	/* First test I/O */
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	io_addr = dm_pci_read_bar32(swap, 0);
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	outb(2, io_addr);
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	ut_asserteq(2, inb(io_addr));
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	/*
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	 * Now test memory mapping - note we must unmap and remap to cause
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	 * the swapcase emulation to see our data and response.
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	 */
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	mem_addr = dm_pci_read_bar32(swap, 1);
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	ptr = map_sysmem(mem_addr, 30);
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	strcpy(ptr, "This is a TesT oN sTATIc");
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	unmap_sysmem(ptr);
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	ptr = map_sysmem(mem_addr, 30);
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	ut_asserteq_str("tHIS IS A tESt On StatiC", ptr);
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	unmap_sysmem(ptr);
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	return 0;
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}
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DM_TEST(dm_test_pci_mixed, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
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/* Test looking up PCI capability and extended capability */
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static int dm_test_pci_cap(struct unit_test_state *uts)
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{
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	struct udevice *bus, *swap;
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	int cap;
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	ut_assertok(uclass_get_device_by_seq(UCLASS_PCI, 0, &bus));
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	ut_assertok(dm_pci_bus_find_bdf(PCI_BDF(0, 0x1f, 0), &swap));
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	/* look up PCI_CAP_ID_EXP */
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	cap = dm_pci_find_capability(swap, PCI_CAP_ID_EXP);
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	ut_asserteq(PCI_CAP_ID_EXP_OFFSET, cap);
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	/* look up PCI_CAP_ID_PCIX */
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	cap = dm_pci_find_capability(swap, PCI_CAP_ID_PCIX);
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	ut_asserteq(0, cap);
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	ut_assertok(uclass_get_device_by_seq(UCLASS_PCI, 1, &bus));
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	ut_assertok(dm_pci_bus_find_bdf(PCI_BDF(1, 0x08, 0), &swap));
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	/* look up PCI_EXT_CAP_ID_DSN */
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	cap = dm_pci_find_ext_capability(swap, PCI_EXT_CAP_ID_DSN);
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	ut_asserteq(PCI_EXT_CAP_ID_DSN_OFFSET, cap);
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	/* look up PCI_EXT_CAP_ID_SRIOV */
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	cap = dm_pci_find_ext_capability(swap, PCI_EXT_CAP_ID_SRIOV);
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	ut_asserteq(0, cap);
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	return 0;
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}
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DM_TEST(dm_test_pci_cap, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
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