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test: dm: pci: Add cases for finding PCI capability APIs

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Add several PCI capability and extended capability ID registers
in the swap_case driver, so that we can add test case for
dm_pci_find_capability() and dm_pci_find_ext_capability().

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Bin Meng
2018-08-03 01:14:53 -07:00
committed by Simon Glass
parent dac01fd89d
commit 95e11069b5
3 changed files with 61 additions and 0 deletions
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32
test/dm/pci.c
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@@ -188,3 +188,35 @@ static int dm_test_pci_mixed(struct unit_test_state *uts)
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);
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);
return 0;
}
DM_TEST(dm_test_pci_cap, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);