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test: dm: pci: Add tests for mixed static and dynamic devices on the same bus

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In the Sandbox test configuration, PCI bus#0 only has static devices
while bus#1 only has dynamic devices. Create a bus#2 that has both
types of devices and test such.

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 01:14:50 -07:00 committed by Simon Glass
parent 841f3216c2
commit 3ed214ac9b
2 changed files with 81 additions and 0 deletions
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18
arch/sandbox/dts/test.dts
View File

@ -16,6 +16,7 @@
mmc1 = "/mmc1";
pci0 = &pci0;
pci1 = &pci1;
pci2 = &pci2;
remoteproc1 = &rproc_1;
remoteproc2 = &rproc_2;
rtc0 = &rtc_0;
@ -330,6 +331,23 @@
0x0c 0x00 0x1234 0x5678>;
};
pci2: pci-controller2 {
compatible = "sandbox,pci";
device_type = "pci";
#address-cells = <3>;
#size-cells = <2>;
ranges = <0x02000000 0 0x50000000 0x50000000 0 0x2000
0x01000000 0 0x60000000 0x60000000 0 0x2000>;
sandbox,dev-info = <0x08 0x00 0x1234 0x5678>;
pci@1f,0 {
compatible = "pci-generic";
reg = <0xf800 0 0 0 0>;
emul@1f,0 {
compatible = "sandbox,swap-case";
};
};
};
probing {
compatible = "simple-bus";
test1 {

63
test/dm/pci.c
View File

@ -125,3 +125,66 @@ static int dm_test_pci_drvdata(struct unit_test_state *uts)
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_DEVICE_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);