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dm: test: Add test case for dev_get_dma_ranges()

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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 <nsaenzjulienne@suse.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Peter Robinson <pbrobinson@gmail.com>
Signed-off-by: Matthias Brugger <mbrugger@suse.com>
This commit is contained in:
Nicolas Saenz Julienne 2021-01-12 13:55:23 +01:00 committed by Matthias Brugger
parent 51bdb50904
commit 283628c412
3 changed files with 67 additions and 0 deletions
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17
arch/sandbox/dts/test.dts
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@ -350,6 +350,23 @@
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";

1
test/dm/Makefile
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@ -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

49
test/dm/read.c Normal file
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@ -0,0 +1,49 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (c) 2020 Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
*/
#include <common.h>
#include <dm.h>
#include <dm/device.h>
#include <dm/ofnode.h>
#include <dm/root.h>
#include <dm/test.h>
#include <dm/uclass-internal.h>
#include <test/ut.h>
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);