From f0b29f058d70dee8b1173da0559a3e16da919950 Mon Sep 17 00:00:00 2001 From: Nicolas Saenz Julienne Date: Tue, 12 Jan 2021 13:55:23 +0100 Subject: [PATCH] dm: test: Add test case for dev_get_dma_ranges() Introduce some new nodes in sandbox's test device-tree and dm tests in order to validate dev_get_dma_range(). Signed-off-by: Nicolas Saenz Julienne Reviewed-by: Simon Glass Tested-by: Peter Robinson --- arch/sandbox/dts/test.dts | 17 ++++++++++++++ test/dm/Makefile | 1 + test/dm/read.c | 49 +++++++++++++++++++++++++++++++++++++++ 3 files changed, 67 insertions(+) create mode 100644 test/dm/read.c diff --git a/arch/sandbox/dts/test.dts b/arch/sandbox/dts/test.dts index f3b766271d..3a3b51f83b 100644 --- a/arch/sandbox/dts/test.dts +++ b/arch/sandbox/dts/test.dts @@ -292,6 +292,23 @@ test5-gpios = <&gpio_a 19>; }; + mmio-bus@0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "denx,u-boot-test-bus"; + dma-ranges = <0x10000000 0x00000000 0x00040000>; + + subnode@0 { + compatible = "denx,u-boot-fdt-test"; + }; + }; + + mmio-bus@1 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "denx,u-boot-test-bus"; + }; + acpi_test1: acpi-test { compatible = "denx,u-boot-acpi-test"; acpi-ssdt-test-data = "ab"; diff --git a/test/dm/Makefile b/test/dm/Makefile index 46e076ed09..5c52d8b6ea 100644 --- a/test/dm/Makefile +++ b/test/dm/Makefile @@ -15,6 +15,7 @@ obj-$(CONFIG_UT_DM) += test-fdt.o obj-$(CONFIG_UT_DM) += test-uclass.o obj-$(CONFIG_UT_DM) += core.o +obj-$(CONFIG_UT_DM) += read.o ifneq ($(CONFIG_SANDBOX),) obj-$(CONFIG_ACPIGEN) += acpi.o obj-$(CONFIG_ACPIGEN) += acpigen.o diff --git a/test/dm/read.c b/test/dm/read.c new file mode 100644 index 0000000000..7768aa2968 --- /dev/null +++ b/test/dm/read.c @@ -0,0 +1,49 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (c) 2020 Nicolas Saenz Julienne + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +static int dm_test_dma_ranges(struct unit_test_state *uts) +{ + struct udevice *dev; + phys_addr_t cpu; + dma_addr_t bus; + ofnode node; + u64 size; + + /* dma-ranges are on the device's node */ + node = ofnode_path("/mmio-bus@0"); + ut_assert(ofnode_valid(node)); + ut_assertok(uclass_get_device_by_ofnode(UCLASS_TEST_BUS, node, &dev)); + ut_assertok(dev_get_dma_range(dev, &cpu, &bus, &size)); + ut_asserteq_64(0x40000, size); + ut_asserteq_64(0x0, cpu); + ut_asserteq_64(0x10000000, bus); + + /* dma-ranges are on the bus' node */ + node = ofnode_path("/mmio-bus@0/subnode@0"); + ut_assert(ofnode_valid(node)); + ut_assertok(uclass_get_device_by_ofnode(UCLASS_TEST_FDT, node, &dev)); + ut_assertok(dev_get_dma_range(dev, &cpu, &bus, &size)); + ut_asserteq_64(0x40000, size); + ut_asserteq_64(0x0, cpu); + ut_asserteq_64(0x10000000, bus); + + /* No dma-ranges available */ + node = ofnode_path("/mmio-bus@1"); + ut_assert(ofnode_valid(node)); + ut_assertok(uclass_get_device_by_ofnode(UCLASS_TEST_BUS, node, &dev)); + ut_asserteq(-ENOENT, dev_get_dma_range(dev, &cpu, &bus, &size)); + + return 0; +} +DM_TEST(dm_test_dma_ranges, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);