This adds a simple test for probing and a functional test using the flash stick emulator, which tests a large chunk of the USB stack.
Signed-off-by: Simon Glass sjg@chromium.org ---
Changes in v2: None
test/dm/Makefile | 1 + test/dm/test-dm.sh | 3 +++ test/dm/test.dts | 41 +++++++++++++++++++++++++++++++++++++++++ test/dm/usb.c | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 95 insertions(+) create mode 100644 test/dm/usb.c
diff --git a/test/dm/Makefile b/test/dm/Makefile index a2e2d23..fd9e29f 100644 --- a/test/dm/Makefile +++ b/test/dm/Makefile @@ -23,4 +23,5 @@ obj-$(CONFIG_DM_I2C) += i2c.o obj-$(CONFIG_DM_PCI) += pci.o obj-$(CONFIG_DM_SPI_FLASH) += sf.o obj-$(CONFIG_DM_SPI) += spi.o +obj-$(CONFIG_DM_USB) += usb.o endif diff --git a/test/dm/test-dm.sh b/test/dm/test-dm.sh index 8ebc392..6158f68 100755 --- a/test/dm/test-dm.sh +++ b/test/dm/test-dm.sh @@ -10,5 +10,8 @@ dtc -I dts -O dtb test/dm/test.dts -o test/dm/test.dtb make O=sandbox sandbox_config || die "Cannot configure U-Boot" make O=sandbox -s -j${NUM_CPUS} || die "Cannot build U-Boot" dd if=/dev/zero of=spi.bin bs=1M count=2 +echo -n "this is a test" > testflash.bin +dd if=/dev/zero bs=1M count=4 >>testflash.bin ./sandbox/u-boot -d test/dm/test.dtb -c "dm test" rm spi.bin +rm testflash.bin diff --git a/test/dm/test.dts b/test/dm/test.dts index 0ab0916..d0c40be 100644 --- a/test/dm/test.dts +++ b/test/dm/test.dts @@ -20,6 +20,9 @@ testfdt8 = "/a-test"; eth0 = "/eth@10002000"; eth5 = ð_5; + usb0 = &usb_0; + usb1 = &usb_1; + usb2 = &usb_2; };
uart0: serial { @@ -186,4 +189,42 @@ fake-host-hwaddr = <0x00 0x00 0x66 0x44 0x22 0x22>; };
+ usb_0: usb@0 { + compatible = "sandbox,usb"; + status = "disabled"; + hub { + compatible = "sandbox,usb-hub"; + #address-cells = <1>; + #size-cells = <0>; + flash-stick { + reg = <0>; + compatible = "sandbox,usb-flash"; + }; + }; + }; + + usb_1: usb@1 { + compatible = "sandbox,usb"; + hub { + compatible = "usb-hub"; + usb,device-class = <9>; + hub-emul { + compatible = "sandbox,usb-hub"; + #address-cells = <1>; + #size-cells = <0>; + flash-stick { + reg = <0>; + compatible = "sandbox,usb-flash"; + sandbox,filepath = "testflash.bin"; + }; + + }; + }; + }; + + usb_2: usb@2 { + compatible = "sandbox,usb"; + status = "disabled"; + }; + }; diff --git a/test/dm/usb.c b/test/dm/usb.c new file mode 100644 index 0000000..6ea86d7 --- /dev/null +++ b/test/dm/usb.c @@ -0,0 +1,50 @@ +/* + * Copyright (C) 2015 Google, Inc + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <dm.h> +#include <usb.h> +#include <asm/io.h> +#include <dm/test.h> +#include <dm/ut.h> + +/* Test that sandbox USB works correctly */ +static int dm_test_usb_base(struct dm_test_state *dms) +{ + struct udevice *bus; + + ut_asserteq(-ENODEV, uclass_get_device_by_seq(UCLASS_USB, 0, &bus)); + ut_assertok(uclass_get_device(UCLASS_USB, 0, &bus)); + ut_asserteq(-ENODEV, uclass_get_device_by_seq(UCLASS_USB, 2, &bus)); + + return 0; +} +DM_TEST(dm_test_usb_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); + +/* + * Test that we can use the flash stick. This is more of a functional test. It + * covers scanning the bug, setting up a hub and a flash stick and reading + * data from the flash stick. + */ +static int dm_test_usb_flash(struct dm_test_state *dms) +{ + struct udevice *dev; + block_dev_desc_t *dev_desc; + char cmp[1024]; + + ut_assertok(usb_init()); + ut_assertok(uclass_get_device(UCLASS_MASS_STORAGE, 0, &dev)); + ut_assertok(get_device("usb", "0", &dev_desc)); + + /* Read a few blocks and look for the string we expect */ + ut_asserteq(512, dev_desc->blksz); + memset(cmp, '\0', sizeof(cmp)); + ut_asserteq(2, dev_desc->block_read(dev_desc->dev, 0, 2, cmp)); + ut_assertok(strcmp(cmp, "this is a test")); + + return 0; +} +DM_TEST(dm_test_usb_flash, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);