From 4cf56ec07f673f99c87862dbb7e72bc077685474 Mon Sep 17 00:00:00 2001 From: Suneel Garapati Date: Sat, 19 Oct 2019 17:10:20 -0700 Subject: pci: pci-uclass: Add multi entry support for memory regions Enable PCI memory regions in ranges property to be of multiple entry. This helps to add support for SoC's like OcteonTX/TX2 where every peripheral is on PCI bus. Signed-off-by: Suneel Garapati Cc: Simon Glass Cc: Bin Meng --- test/dm/pci.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) (limited to 'test') diff --git a/test/dm/pci.c b/test/dm/pci.c index fd66ed7..76490be 100644 --- a/test/dm/pci.c +++ b/test/dm/pci.c @@ -354,3 +354,25 @@ static int dm_test_pci_on_bus(struct unit_test_state *uts) 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); -- cgit v1.1