dm: core: add functions to get/remap I/O addresses by name
This functions allow us to get and remap I/O addresses by name, which is useful when there are multiple reg addresses indexed by reg-names property.
This is needed in bmips dma/eth patch series, but can also be used on many
other drivers.
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/test/dm/test-fdt.c b/test/dm/test-fdt.c
index 0fbd9be..96d2528 100644
--- a/test/dm/test-fdt.c
+++ b/test/dm/test-fdt.c
@@ -490,7 +490,6 @@
}
DM_TEST(dm_test_fdt_translation, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
-/* Test devfdt_remap_addr_index() */
static int dm_test_fdt_remap_addr_flat(struct unit_test_state *uts)
{
struct udevice *dev;
@@ -511,7 +510,46 @@
DM_TEST(dm_test_fdt_remap_addr_flat,
DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT | DM_TESTF_FLAT_TREE);
-/* Test dev_remap_addr_index() */
+static int dm_test_fdt_remap_addr_index_flat(struct unit_test_state *uts)
+{
+ struct udevice *dev;
+ fdt_addr_t addr;
+ void *paddr;
+
+ ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
+
+ addr = devfdt_get_addr_index(dev, 0);
+ ut_asserteq(0x8000, addr);
+
+ paddr = map_physmem(addr, 0, MAP_NOCACHE);
+ ut_assertnonnull(paddr);
+ ut_asserteq_ptr(paddr, devfdt_remap_addr_index(dev, 0));
+
+ return 0;
+}
+DM_TEST(dm_test_fdt_remap_addr_index_flat,
+ DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT | DM_TESTF_FLAT_TREE);
+
+static int dm_test_fdt_remap_addr_name_flat(struct unit_test_state *uts)
+{
+ struct udevice *dev;
+ fdt_addr_t addr;
+ void *paddr;
+
+ ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
+
+ addr = devfdt_get_addr_name(dev, "sandbox-dummy-0");
+ ut_asserteq(0x8000, addr);
+
+ paddr = map_physmem(addr, 0, MAP_NOCACHE);
+ ut_assertnonnull(paddr);
+ ut_asserteq_ptr(paddr, devfdt_remap_addr_name(dev, "sandbox-dummy-0"));
+
+ return 0;
+}
+DM_TEST(dm_test_fdt_remap_addr_name_flat,
+ DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT | DM_TESTF_FLAT_TREE);
+
static int dm_test_fdt_remap_addr_live(struct unit_test_state *uts)
{
struct udevice *dev;
@@ -532,6 +570,46 @@
DM_TEST(dm_test_fdt_remap_addr_live,
DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+static int dm_test_fdt_remap_addr_index_live(struct unit_test_state *uts)
+{
+ struct udevice *dev;
+ fdt_addr_t addr;
+ void *paddr;
+
+ ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
+
+ addr = dev_read_addr_index(dev, 0);
+ ut_asserteq(0x8000, addr);
+
+ paddr = map_physmem(addr, 0, MAP_NOCACHE);
+ ut_assertnonnull(paddr);
+ ut_asserteq_ptr(paddr, dev_remap_addr_index(dev, 0));
+
+ return 0;
+}
+DM_TEST(dm_test_fdt_remap_addr_index_live,
+ DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+static int dm_test_fdt_remap_addr_name_live(struct unit_test_state *uts)
+{
+ struct udevice *dev;
+ fdt_addr_t addr;
+ void *paddr;
+
+ ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
+
+ addr = dev_read_addr_name(dev, "sandbox-dummy-0");
+ ut_asserteq(0x8000, addr);
+
+ paddr = map_physmem(addr, 0, MAP_NOCACHE);
+ ut_assertnonnull(paddr);
+ ut_asserteq_ptr(paddr, dev_remap_addr_name(dev, "sandbox-dummy-0"));
+
+ return 0;
+}
+DM_TEST(dm_test_fdt_remap_addr_name_live,
+ DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
static int dm_test_fdt_livetree_writing(struct unit_test_state *uts)
{
struct udevice *dev;