dm: pci: Add driver model tests for PCI

Add some basic tests to check that things work as expected with sandbox.

Signed-off-by: Simon Glass <sjg@chromium.org>

diff --git a/test/dm/Makefile b/test/dm/Makefile
index 612aa957fa2d9ccb832382c6f0e55d3d037b3c67..82817799fde1a0894136505448b37eb96897623a 100644 (file)
--- a/test/dm/Makefile
+++ b/test/dm/Makefile
@@ -21,4 +21,5 @@ obj-$(CONFIG_DM_GPIO) += gpio.o
 obj-$(CONFIG_DM_SPI) += spi.o
 obj-$(CONFIG_DM_SPI_FLASH) += sf.o
 obj-$(CONFIG_DM_I2C) += i2c.o
+obj-$(CONFIG_DM_PCI) += pci.o
 endif

diff --git a/test/dm/pci.c b/test/dm/pci.c
new file mode 100644 (file)
index 0000000..6c63fa4
--- /dev/null
+++ b/test/dm/pci.c
@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2015 Google, Inc
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <asm/io.h>
+#include <dm/test.h>
+#include <dm/ut.h>
+
+/* Test that sandbox PCI works correctly */
+static int dm_test_pci_base(struct dm_test_state *dms)
+{
+       struct udevice *bus;
+
+       ut_assertok(uclass_get_device(UCLASS_PCI, 0, &bus));
+
+       return 0;
+}
+DM_TEST(dm_test_pci_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+/* Test that we can use the swapcase device correctly */
+static int dm_test_pci_swapcase(struct dm_test_state *dms)
+{
+       pci_dev_t pci_dev = PCI_BDF(0, 0x1f, 0);
+       struct pci_controller *hose;
+       struct udevice *bus, *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));
+
+       ut_assertok(uclass_get_device(UCLASS_PCI, 0, &bus));
+       hose = dev_get_uclass_priv(bus);
+
+       /* First test I/O */
+       io_addr = pci_read_bar32(hose, pci_dev, 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);
+       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);
+
+       return 0;
+}
+DM_TEST(dm_test_pci_swapcase, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);

diff --git a/test/dm/test.dts b/test/dm/test.dts
index 84024a44a3f0368c5cea2e983a02d25465969482..96775e10ba0c396fff52ee6497a6c427ddb479da 100644 (file)
--- a/test/dm/test.dts
+++ b/test/dm/test.dts
@@ -10,6 +10,7 @@
                console = &uart0;
                i2c0 = "/i2c@0";
                spi0 = "/spi@0";
+               pci0 = &pci;
                testfdt6 = "/e-test";
                testbus3 = "/some-bus";
                testfdt0 = "/some-bus/c-test@0";
@@ -135,6 +136,22 @@
                };
        };
 
+       pci: pci-controller {
+               compatible = "sandbox,pci";
+               device_type = "pci";
+               #address-cells = <3>;
+               #size-cells = <2>;
+               ranges = <0x02000000 0 0x10000000 0x10000000 0 0x2000
+                               0x01000000 0 0x20000000 0x20000000 0 0x2000>;
+               pci@1f,0 {
+                       compatible = "pci-generic";
+                       reg = <0xf800 0 0 0 0>;
+                       emul@1f,0 {
+                               compatible = "sandbox,swap-case";
+                       };
+               };
+       };
+
        spi@0 {
                #address-cells = <1>;
                #size-cells = <0>;