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dm: usb: Add tests for the USB uclass

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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>
This commit is contained in:
Simon Glass 2015-03-25 12:23:05 -06:00
parent 57f54d55bd
commit e00cb2232b
4 changed files with 95 additions and 0 deletions
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1
test/dm/Makefile
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@ -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

3
test/dm/test-dm.sh
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@ -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

41
test/dm/test.dts
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@ -20,6 +20,9 @@
testfdt8 = "/a-test";
eth0 = "/eth@10002000";
eth5 = &eth_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";
};
};

50
test/dm/usb.c Normal file
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@ -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);