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-rw-r--r--test/dm/test-fdt.c164
1 files changed, 140 insertions, 24 deletions
diff --git a/test/dm/test-fdt.c b/test/dm/test-fdt.c
index 98e3936..cd2c389 100644
--- a/test/dm/test-fdt.c
+++ b/test/dm/test-fdt.c
@@ -39,7 +39,8 @@ static int testfdt_ofdata_to_platdata(struct udevice *dev)
pdata->ping_add = fdtdec_get_int(gd->fdt_blob, dev->of_offset,
"ping-add", -1);
- pdata->base = fdtdec_get_addr(gd->fdt_blob, dev->of_offset, "reg");
+ pdata->base = fdtdec_get_addr(gd->fdt_blob, dev->of_offset,
+ "ping-expect");
return 0;
}
@@ -90,55 +91,170 @@ UCLASS_DRIVER(testfdt) = {
.id = UCLASS_TEST_FDT,
};
+int dm_check_devices(struct dm_test_state *dms, int num_devices)
+{
+ struct udevice *dev;
+ int ret;
+ int i;
+
+ /*
+ * Now check that the ping adds are what we expect. This is using the
+ * ping-add property in each node.
+ */
+ for (i = 0; i < num_devices; i++) {
+ uint32_t base;
+
+ ret = uclass_get_device(UCLASS_TEST_FDT, i, &dev);
+ ut_assert(!ret);
+
+ /*
+ * Get the 'ping-expect' property, which tells us what the
+ * ping add should be. We don't use the platdata because we
+ * want to test the code that sets that up
+ * (testfdt_drv_probe()).
+ */
+ base = fdtdec_get_addr(gd->fdt_blob, dev->of_offset,
+ "ping-expect");
+ debug("dev=%d, base=%d: %s\n", i, base,
+ fdt_get_name(gd->fdt_blob, dev->of_offset, NULL));
+
+ ut_assert(!dm_check_operations(dms, dev, base,
+ dev_get_priv(dev)));
+ }
+
+ return 0;
+}
+
/* Test that FDT-based binding works correctly */
static int dm_test_fdt(struct dm_test_state *dms)
{
- const int num_drivers = 3;
+ const int num_devices = 4;
struct udevice *dev;
struct uclass *uc;
int ret;
int i;
- ret = dm_scan_fdt(gd->fdt_blob);
+ ret = dm_scan_fdt(gd->fdt_blob, false);
ut_assert(!ret);
ret = uclass_get(UCLASS_TEST_FDT, &uc);
ut_assert(!ret);
- /* These are num_drivers compatible root-level device tree nodes */
- ut_asserteq(num_drivers, list_count_items(&uc->dev_head));
+ /* These are num_devices compatible root-level device tree nodes */
+ ut_asserteq(num_devices, list_count_items(&uc->dev_head));
/* Each should have no platdata / priv */
- for (i = 0; i < num_drivers; i++) {
+ for (i = 0; i < num_devices; i++) {
ret = uclass_find_device(UCLASS_TEST_FDT, i, &dev);
ut_assert(!ret);
ut_assert(!dev_get_priv(dev));
ut_assert(!dev->platdata);
}
+ ut_assertok(dm_check_devices(dms, num_devices));
+
+ return 0;
+}
+DM_TEST(dm_test_fdt, 0);
+
+static int dm_test_fdt_pre_reloc(struct dm_test_state *dms)
+{
+ struct uclass *uc;
+ int ret;
+
+ ret = dm_scan_fdt(gd->fdt_blob, true);
+ ut_assert(!ret);
+
+ ret = uclass_get(UCLASS_TEST_FDT, &uc);
+ ut_assert(!ret);
+
+ /* These is only one pre-reloc device */
+ ut_asserteq(1, list_count_items(&uc->dev_head));
+
+ return 0;
+}
+DM_TEST(dm_test_fdt_pre_reloc, 0);
+
+/* Test that sequence numbers are allocated properly */
+static int dm_test_fdt_uclass_seq(struct dm_test_state *dms)
+{
+ struct udevice *dev;
+
+ /* A few basic santiy tests */
+ ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_FDT, 3, true, &dev));
+ ut_asserteq_str("b-test", dev->name);
+
+ ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_FDT, 0, true, &dev));
+ ut_asserteq_str("a-test", dev->name);
+
+ ut_asserteq(-ENODEV, uclass_find_device_by_seq(UCLASS_TEST_FDT, 5,
+ true, &dev));
+ ut_asserteq_ptr(NULL, dev);
+
+ /* Test aliases */
+ ut_assertok(uclass_get_device_by_seq(UCLASS_TEST_FDT, 6, &dev));
+ ut_asserteq_str("e-test", dev->name);
+
+ ut_asserteq(-ENODEV, uclass_find_device_by_seq(UCLASS_TEST_FDT, 7,
+ true, &dev));
+
/*
- * Now check that the ping adds are what we expect. This is using the
- * ping-add property in each node.
+ * Note that c-test nodes are not probed since it is not a top-level
+ * node
*/
- for (i = 0; i < num_drivers; i++) {
- uint32_t base;
+ ut_assertok(uclass_get_device_by_seq(UCLASS_TEST_FDT, 3, &dev));
+ ut_asserteq_str("b-test", dev->name);
- ret = uclass_get_device(UCLASS_TEST_FDT, i, &dev);
- ut_assert(!ret);
+ /*
+ * d-test wants sequence number 3 also, but it can't have it because
+ * b-test gets it first.
+ */
+ ut_assertok(uclass_get_device(UCLASS_TEST_FDT, 2, &dev));
+ ut_asserteq_str("d-test", dev->name);
- /*
- * Get the 'reg' property, which tells us what the ping add
- * should be. We don't use the platdata because we want
- * to test the code that sets that up (testfdt_drv_probe()).
- */
- base = fdtdec_get_addr(gd->fdt_blob, dev->of_offset, "reg");
- debug("dev=%d, base=%d: %s\n", i, base,
- fdt_get_name(gd->fdt_blob, dev->of_offset, NULL));
+ /* d-test actually gets 0 */
+ ut_assertok(uclass_get_device_by_seq(UCLASS_TEST_FDT, 0, &dev));
+ ut_asserteq_str("d-test", dev->name);
- ut_assert(!dm_check_operations(dms, dev, base,
- dev_get_priv(dev)));
- }
+ /* initially no one wants seq 1 */
+ ut_asserteq(-ENODEV, uclass_get_device_by_seq(UCLASS_TEST_FDT, 1,
+ &dev));
+ ut_assertok(uclass_get_device(UCLASS_TEST_FDT, 0, &dev));
+ ut_assertok(uclass_get_device(UCLASS_TEST_FDT, 1, &dev));
+
+ /* But now that it is probed, we can find it */
+ ut_assertok(uclass_get_device_by_seq(UCLASS_TEST_FDT, 1, &dev));
+ ut_asserteq_str("a-test", dev->name);
return 0;
}
-DM_TEST(dm_test_fdt, 0);
+DM_TEST(dm_test_fdt_uclass_seq, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+/* Test that we can find a device by device tree offset */
+static int dm_test_fdt_offset(struct dm_test_state *dms)
+{
+ const void *blob = gd->fdt_blob;
+ struct udevice *dev;
+ int node;
+
+ node = fdt_path_offset(blob, "/e-test");
+ ut_assert(node > 0);
+ ut_assertok(uclass_get_device_by_of_offset(UCLASS_TEST_FDT, node,
+ &dev));
+ ut_asserteq_str("e-test", dev->name);
+
+ /* This node should not be bound */
+ node = fdt_path_offset(blob, "/junk");
+ ut_assert(node > 0);
+ ut_asserteq(-ENODEV, uclass_get_device_by_of_offset(UCLASS_TEST_FDT,
+ node, &dev));
+
+ /* This is not a top level node so should not be probed */
+ node = fdt_path_offset(blob, "/some-bus/c-test@5");
+ ut_assert(node > 0);
+ ut_asserteq(-ENODEV, uclass_get_device_by_of_offset(UCLASS_TEST_FDT,
+ node, &dev));
+
+ return 0;
+}
+DM_TEST(dm_test_fdt_offset, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);