From: Mark Kettenis Date: Sat, 23 Oct 2021 14:58:02 +0000 (+0200) Subject: test: Add tests for IOMMU uclass X-Git-Url: http://git.dujemihanovic.xyz/?a=commitdiff_plain;h=fb5746243707d6b84dea02490a86868c3d7f534d;p=u-boot.git test: Add tests for IOMMU uclass Add a set of tests for the IOMMU uclass. Signed-off-by: Mark Kettenis Reviewed-by: Simon Glass --- diff --git a/arch/sandbox/dts/test.dts b/arch/sandbox/dts/test.dts index e27d106466..8cd688e8d2 100644 --- a/arch/sandbox/dts/test.dts +++ b/arch/sandbox/dts/test.dts @@ -764,6 +764,11 @@ vss-microvolts = <0>; }; + iommu: iommu@0 { + compatible = "sandbox,iommu"; + #iommu-cells = <0>; + }; + irq: irq { compatible = "sandbox,irq"; interrupt-controller; @@ -1226,6 +1231,7 @@ usb_1: usb@1 { compatible = "sandbox,usb"; + iommus = <&iommu>; hub { compatible = "usb-hub"; usb,device-class = <9>; diff --git a/configs/sandbox64_defconfig b/configs/sandbox64_defconfig index 838280e147..45828899f2 100644 --- a/configs/sandbox64_defconfig +++ b/configs/sandbox64_defconfig @@ -130,6 +130,7 @@ CONFIG_SPL_I2C_MUX=y CONFIG_I2C_ARB_GPIO_CHALLENGE=y CONFIG_CROS_EC_KEYB=y CONFIG_I8042_KEYB=y +CONFIG_IOMMU=y CONFIG_LED=y CONFIG_LED_BLINK=y CONFIG_LED_GPIO=y diff --git a/configs/sandbox_defconfig b/configs/sandbox_defconfig index d07a7f302e..93858574f8 100644 --- a/configs/sandbox_defconfig +++ b/configs/sandbox_defconfig @@ -168,6 +168,7 @@ CONFIG_SPL_I2C_MUX=y CONFIG_I2C_ARB_GPIO_CHALLENGE=y CONFIG_CROS_EC_KEYB=y CONFIG_I8042_KEYB=y +CONFIG_IOMMU=y CONFIG_LED=y CONFIG_LED_BLINK=y CONFIG_LED_GPIO=y diff --git a/configs/sandbox_flattree_defconfig b/configs/sandbox_flattree_defconfig index 5980c8610e..edfdac8b02 100644 --- a/configs/sandbox_flattree_defconfig +++ b/configs/sandbox_flattree_defconfig @@ -107,6 +107,7 @@ CONFIG_SPL_I2C_MUX=y CONFIG_I2C_ARB_GPIO_CHALLENGE=y CONFIG_CROS_EC_KEYB=y CONFIG_I8042_KEYB=y +CONFIG_IOMMU=y CONFIG_LED=y CONFIG_LED_BLINK=y CONFIG_LED_GPIO=y diff --git a/configs/sandbox_noinst_defconfig b/configs/sandbox_noinst_defconfig index 238604f5cd..ab378494d2 100644 --- a/configs/sandbox_noinst_defconfig +++ b/configs/sandbox_noinst_defconfig @@ -128,6 +128,7 @@ CONFIG_I2C_MUX=y CONFIG_I2C_ARB_GPIO_CHALLENGE=y CONFIG_CROS_EC_KEYB=y CONFIG_I8042_KEYB=y +CONFIG_IOMMU=y CONFIG_LED=y CONFIG_LED_BLINK=y CONFIG_LED_GPIO=y diff --git a/configs/sandbox_spl_defconfig b/configs/sandbox_spl_defconfig index b9da8dc8e9..9a0a678c03 100644 --- a/configs/sandbox_spl_defconfig +++ b/configs/sandbox_spl_defconfig @@ -130,6 +130,7 @@ CONFIG_I2C_MUX=y CONFIG_I2C_ARB_GPIO_CHALLENGE=y CONFIG_CROS_EC_KEYB=y CONFIG_I8042_KEYB=y +CONFIG_IOMMU=y CONFIG_LED=y CONFIG_LED_BLINK=y CONFIG_LED_GPIO=y diff --git a/drivers/iommu/Makefile b/drivers/iommu/Makefile index f1ceb10150..af1c6bbb7a 100644 --- a/drivers/iommu/Makefile +++ b/drivers/iommu/Makefile @@ -1,3 +1,5 @@ # SPDX-License-Identifier: GPL-2.0+ obj-$(CONFIG_IOMMU) += iommu-uclass.o + +obj-$(CONFIG_SANDBOX) += sandbox_iommu.o diff --git a/drivers/iommu/sandbox_iommu.c b/drivers/iommu/sandbox_iommu.c new file mode 100644 index 0000000000..c8161a40ae --- /dev/null +++ b/drivers/iommu/sandbox_iommu.c @@ -0,0 +1,18 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2021 Mark Kettenis + */ + +#include +#include + +static const struct udevice_id sandbox_iommu_ids[] = { + { .compatible = "sandbox,iommu" }, + { /* sentinel */ } +}; + +U_BOOT_DRIVER(sandbox_iommu) = { + .name = "sandbox_iommu", + .id = UCLASS_IOMMU, + .of_match = sandbox_iommu_ids, +}; diff --git a/test/dm/Makefile b/test/dm/Makefile index 55162e9499..7de013f636 100644 --- a/test/dm/Makefile +++ b/test/dm/Makefile @@ -48,6 +48,7 @@ obj-$(CONFIG_DM_I2C) += i2c.o obj-$(CONFIG_SOUND) += i2s.o obj-y += irq.o obj-$(CONFIG_CLK_K210_SET_RATE) += k210_pll.o +obj-$(CONFIG_IOMMU) += iommu.o obj-$(CONFIG_LED) += led.o obj-$(CONFIG_DM_MAILBOX) += mailbox.o obj-$(CONFIG_DM_MDIO) += mdio.o diff --git a/test/dm/iommu.c b/test/dm/iommu.c new file mode 100644 index 0000000000..94174a7482 --- /dev/null +++ b/test/dm/iommu.c @@ -0,0 +1,28 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2021 Mark Kettenis + */ + +#include +#include +#include +#include +#include +#include +#include + +static int dm_test_iommu(struct unit_test_state *uts) +{ + struct udevice *dev; + + ut_assertok(uclass_find_device(UCLASS_IOMMU, 0, &dev)); + ut_assert(!(dev_get_flags(dev) & DM_FLAG_ACTIVATED)); + + /* Probing USB probes the IOMMU through the "iommus" property */ + ut_assertok(uclass_probe_all(UCLASS_USB)); + ut_assert(dev_get_flags(dev) & DM_FLAG_ACTIVATED); + + return 0; +} + +DM_TEST(dm_test_iommu, UT_TESTF_SCAN_FDT);