Add some basic tests to check that things work as expected with sandbox.
Signed-off-by: Simon Glass sjg@chromium.org ---
test/dm/Makefile | 1 + test/dm/pci.c | 59 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ test/dm/test.dts | 17 ++++++++++++++++ 3 files changed, 77 insertions(+) create mode 100644 test/dm/pci.c
diff --git a/test/dm/Makefile b/test/dm/Makefile index 612aa95..8281779 100644 --- 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 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 84024a4..96775e1 100644 --- 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>;