These tests use SPI flash (and the sandbox emulation) to operate.
Signed-off-by: Simon Glass sjg@chromium.org ---
Changes in v2: - Create a 'spi.bin' file for the SPI tests
test/dm/Makefile | 1 + test/dm/spi.c | 47 +++++++++++++++++++++++++++++++++++++++++++++++ test/dm/test-dm.sh | 2 ++ 3 files changed, 50 insertions(+) create mode 100644 test/dm/spi.c
diff --git a/test/dm/Makefile b/test/dm/Makefile index 5c2415e..d1b9c9a 100644 --- a/test/dm/Makefile +++ b/test/dm/Makefile @@ -18,4 +18,5 @@ obj-$(CONFIG_DM_TEST) += core.o obj-$(CONFIG_DM_TEST) += ut.o ifneq ($(CONFIG_SANDBOX),) obj-$(CONFIG_DM_GPIO) += gpio.o +obj-$(CONFIG_DM_SPI) += spi.o endif diff --git a/test/dm/spi.c b/test/dm/spi.c new file mode 100644 index 0000000..45aabeb --- /dev/null +++ b/test/dm/spi.c @@ -0,0 +1,47 @@ +/* + * Copyright (C) 2013 Google, Inc + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <dm.h> +#include <fdtdec.h> +#include <spi.h> +#include <spi_flash.h> +#include <dm/test.h> +#include <dm/ut.h> +#include <dm/util.h> +#include <asm/state.h> + +/* Test that sandbox SPI works correctly */ +static int dm_test_spi(struct dm_test_state *dms) +{ + struct spi_slave *slave; + struct udevice *dev; + const int busnum = 0, cs = 0, mode = 0; + const char dout[5] = {0x9f}; + unsigned char din[5]; + + ut_assertok(spi_get_bus_and_cs(busnum, cs, 1000000, mode, NULL, 0, + &dev, &slave)); + ut_assertok(spi_claim_bus(slave)); + ut_assertok(spi_xfer(slave, 40, dout, din, + SPI_XFER_BEGIN | SPI_XFER_END)); + ut_asserteq(0xff, din[0]); + ut_asserteq(0x20, din[1]); + ut_asserteq(0x20, din[2]); + ut_asserteq(0x15, din[3]); + spi_release_bus(slave); + + /* + * Since we are about to destroy all devices, we must tell sandbox + * to forget the emulation device + */ +#ifdef CONFIG_DM_SPI_FLASH + sandbox_sf_unbind_emul(state_get_current(), busnum, cs); +#endif + + return 0; +} +DM_TEST(dm_test_spi, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); diff --git a/test/dm/test-dm.sh b/test/dm/test-dm.sh index ef5aca5..bb99677 100755 --- a/test/dm/test-dm.sh +++ b/test/dm/test-dm.sh @@ -4,4 +4,6 @@ NUM_CPUS=$(cat /proc/cpuinfo |grep -c processor) dtc -I dts -O dtb test/dm/test.dts -o test/dm/test.dtb make O=sandbox sandbox_config make O=sandbox -s -j${NUM_CPUS} +dd if=/dev/zero of=spi.bin bs=1M count=2 ./sandbox/u-boot -d test/dm/test.dtb -c "dm test" +rm spi.bin