dm: usb: Add tests for the USB uclass
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> Reviewed-by: Marek Vasut <marex@denx.de>
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@ -23,4 +23,5 @@ obj-$(CONFIG_DM_I2C) += i2c.o
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obj-$(CONFIG_DM_PCI) += pci.o
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obj-$(CONFIG_DM_SPI_FLASH) += sf.o
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obj-$(CONFIG_DM_SPI) += spi.o
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obj-$(CONFIG_DM_USB) += usb.o
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endif
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@ -10,5 +10,8 @@ dtc -I dts -O dtb test/dm/test.dts -o test/dm/test.dtb
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make O=sandbox sandbox_config || die "Cannot configure U-Boot"
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make O=sandbox -s -j${NUM_CPUS} || die "Cannot build U-Boot"
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dd if=/dev/zero of=spi.bin bs=1M count=2
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echo -n "this is a test" > testflash.bin
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dd if=/dev/zero bs=1M count=4 >>testflash.bin
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./sandbox/u-boot -d test/dm/test.dtb -c "dm test"
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rm spi.bin
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rm testflash.bin
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@ -20,6 +20,9 @@
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testfdt8 = "/a-test";
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eth0 = "/eth@10002000";
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eth5 = ð_5;
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usb0 = &usb_0;
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usb1 = &usb_1;
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usb2 = &usb_2;
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};
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uart0: serial {
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@ -186,4 +189,42 @@
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fake-host-hwaddr = <0x00 0x00 0x66 0x44 0x22 0x22>;
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};
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usb_0: usb@0 {
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compatible = "sandbox,usb";
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status = "disabled";
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hub {
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compatible = "sandbox,usb-hub";
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#address-cells = <1>;
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#size-cells = <0>;
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flash-stick {
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reg = <0>;
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compatible = "sandbox,usb-flash";
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};
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};
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};
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usb_1: usb@1 {
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compatible = "sandbox,usb";
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hub {
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compatible = "usb-hub";
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usb,device-class = <9>;
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hub-emul {
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compatible = "sandbox,usb-hub";
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#address-cells = <1>;
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#size-cells = <0>;
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flash-stick {
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reg = <0>;
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compatible = "sandbox,usb-flash";
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sandbox,filepath = "testflash.bin";
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};
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};
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};
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};
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usb_2: usb@2 {
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compatible = "sandbox,usb";
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status = "disabled";
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};
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};
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50
test/dm/usb.c
Normal file
50
test/dm/usb.c
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@ -0,0 +1,50 @@
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/*
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* Copyright (C) 2015 Google, Inc
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <dm.h>
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#include <usb.h>
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#include <asm/io.h>
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#include <dm/test.h>
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#include <dm/ut.h>
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/* Test that sandbox USB works correctly */
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static int dm_test_usb_base(struct dm_test_state *dms)
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{
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struct udevice *bus;
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ut_asserteq(-ENODEV, uclass_get_device_by_seq(UCLASS_USB, 0, &bus));
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ut_assertok(uclass_get_device(UCLASS_USB, 0, &bus));
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ut_asserteq(-ENODEV, uclass_get_device_by_seq(UCLASS_USB, 2, &bus));
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return 0;
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}
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DM_TEST(dm_test_usb_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
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/*
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* Test that we can use the flash stick. This is more of a functional test. It
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* covers scanning the bug, setting up a hub and a flash stick and reading
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* data from the flash stick.
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*/
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static int dm_test_usb_flash(struct dm_test_state *dms)
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{
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struct udevice *dev;
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block_dev_desc_t *dev_desc;
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char cmp[1024];
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ut_assertok(usb_init());
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ut_assertok(uclass_get_device(UCLASS_MASS_STORAGE, 0, &dev));
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ut_assertok(get_device("usb", "0", &dev_desc));
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/* Read a few blocks and look for the string we expect */
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ut_asserteq(512, dev_desc->blksz);
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memset(cmp, '\0', sizeof(cmp));
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ut_asserteq(2, dev_desc->block_read(dev_desc->dev, 0, 2, cmp));
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ut_assertok(strcmp(cmp, "this is a test"));
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return 0;
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}
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DM_TEST(dm_test_usb_flash, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
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