[PATCH v6 07/13] dm: test: Add test case for dev->dma_offset

[Nicolas Saenz Julienne]

Add test to validate dev->dma_offset is properly set on devices.

Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne at suse.de>
Reviewed-by: Simon Glass <sjg at chromium.org>
Tested-by: Peter Robinson <pbrobinson at gmail.com>
---
 arch/sandbox/dts/test.dts          |  4 ++++
 configs/sandbox64_defconfig        |  1 +
 configs/sandbox_defconfig          |  1 +
 configs/sandbox_flattree_defconfig |  1 +
 configs/sandbox_spl_defconfig      |  1 +
 test/dm/core.c                     | 30 ++++++++++++++++++++++++++++++
 6 files changed, 38 insertions(+)

diff --git a/arch/sandbox/dts/test.dts b/arch/sandbox/dts/test.dts
index b279903d2a..39efeaa5a7 100644
--- a/arch/sandbox/dts/test.dts
+++ b/arch/sandbox/dts/test.dts
@@ -308,6 +308,10 @@
 		#address-cells = <1>;
 		#size-cells = <1>;
 		compatible = "denx,u-boot-test-bus";
+
+		subnode at 0 {
+			compatible = "denx,u-boot-fdt-test";
+		};
 	};
 
 	acpi_test1: acpi-test {
diff --git a/configs/sandbox64_defconfig b/configs/sandbox64_defconfig
index 2066d0a292..d63e22c2bc 100644
--- a/configs/sandbox64_defconfig
+++ b/configs/sandbox64_defconfig
@@ -95,6 +95,7 @@ CONFIG_ENV_EXT4_DEVICE_AND_PART="0:0"
 CONFIG_BOOTP_SEND_HOSTNAME=y
 CONFIG_NETCONSOLE=y
 CONFIG_IP_DEFRAG=y
+CONFIG_DM_DMA=y
 CONFIG_REGMAP=y
 CONFIG_SYSCON=y
 CONFIG_DEVRES=y
diff --git a/configs/sandbox_defconfig b/configs/sandbox_defconfig
index 58d4ef18c3..a96641a6d6 100644
--- a/configs/sandbox_defconfig
+++ b/configs/sandbox_defconfig
@@ -108,6 +108,7 @@ CONFIG_ENV_EXT4_DEVICE_AND_PART="0:0"
 CONFIG_BOOTP_SEND_HOSTNAME=y
 CONFIG_NETCONSOLE=y
 CONFIG_IP_DEFRAG=y
+CONFIG_DM_DMA=y
 CONFIG_REGMAP=y
 CONFIG_SYSCON=y
 CONFIG_DEVRES=y
diff --git a/configs/sandbox_flattree_defconfig b/configs/sandbox_flattree_defconfig
index efd99a92f1..00a4329537 100644
--- a/configs/sandbox_flattree_defconfig
+++ b/configs/sandbox_flattree_defconfig
@@ -76,6 +76,7 @@ CONFIG_ENV_EXT4_DEVICE_AND_PART="0:0"
 CONFIG_BOOTP_SEND_HOSTNAME=y
 CONFIG_NETCONSOLE=y
 CONFIG_IP_DEFRAG=y
+CONFIG_DM_DMA=y
 CONFIG_REGMAP=y
 CONFIG_SYSCON=y
 CONFIG_DEVRES=y
diff --git a/configs/sandbox_spl_defconfig b/configs/sandbox_spl_defconfig
index d193b18f47..fbb138805a 100644
--- a/configs/sandbox_spl_defconfig
+++ b/configs/sandbox_spl_defconfig
@@ -95,6 +95,7 @@ CONFIG_BOOTP_SEND_HOSTNAME=y
 CONFIG_NETCONSOLE=y
 CONFIG_IP_DEFRAG=y
 CONFIG_SPL_DM=y
+CONFIG_DM_DMA=y
 CONFIG_REGMAP=y
 CONFIG_SPL_REGMAP=y
 CONFIG_SYSCON=y
diff --git a/test/dm/core.c b/test/dm/core.c
index 1f5ca570dc..855449aac2 100644
--- a/test/dm/core.c
+++ b/test/dm/core.c
@@ -1085,3 +1085,33 @@ static int dm_test_all_have_seq(struct unit_test_state *uts)
 	return 0;
 }
 DM_TEST(dm_test_all_have_seq, UT_TESTF_SCAN_PDATA);
+
+static int dm_test_dma_offset(struct unit_test_state *uts)
+{
+       struct udevice *dev;
+       ofnode node;
+
+       /* Make sure the bus's dma-ranges aren't taken into account here */
+       node = ofnode_path("/mmio-bus at 0");
+       ut_assert(ofnode_valid(node));
+       ut_assertok(uclass_get_device_by_ofnode(UCLASS_TEST_BUS, node, &dev));
+       ut_asserteq_64(0, dev->dma_offset);
+
+       /* Device behind a bus with dma-ranges */
+       node = ofnode_path("/mmio-bus at 0/subnode at 0");
+       ut_assert(ofnode_valid(node));
+       ut_assertok(uclass_get_device_by_ofnode(UCLASS_TEST_FDT, node, &dev));
+       ut_asserteq_64(-0x10000000ULL, dev->dma_offset);
+
+       /* This one has no dma-ranges */
+       node = ofnode_path("/mmio-bus at 1");
+       ut_assert(ofnode_valid(node));
+       ut_assertok(uclass_get_device_by_ofnode(UCLASS_TEST_BUS, node, &dev));
+       node = ofnode_path("/mmio-bus at 1/subnode at 0");
+       ut_assert(ofnode_valid(node));
+       ut_assertok(uclass_get_device_by_ofnode(UCLASS_TEST_FDT, node, &dev));
+       ut_asserteq_64(0, dev->dma_offset);
+
+       return 0;
+}
+DM_TEST(dm_test_dma_offset, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
-- 
2.29.2