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-rw-r--r--drivers/core/fdtaddr.c17
-rw-r--r--drivers/core/read.c20
-rw-r--r--include/dm/fdtaddr.h18
-rw-r--r--include/dm/read.h41
-rw-r--r--test/dm/test-fdt.c16
5 files changed, 108 insertions, 4 deletions
diff --git a/drivers/core/fdtaddr.c b/drivers/core/fdtaddr.c
index c2873861da..6850003a28 100644
--- a/drivers/core/fdtaddr.c
+++ b/drivers/core/fdtaddr.c
@@ -129,6 +129,23 @@ fdt_addr_t devfdt_get_addr_name(struct udevice *dev, const char *name)
#endif
}
+fdt_addr_t devfdt_get_addr_size_name(struct udevice *dev, const char *name,
+ fdt_size_t *size)
+{
+#if CONFIG_IS_ENABLED(OF_CONTROL)
+ int index;
+
+ index = fdt_stringlist_search(gd->fdt_blob, dev_of_offset(dev),
+ "reg-names", name);
+ if (index < 0)
+ return index;
+
+ return devfdt_get_addr_size_index(dev, index, size);
+#else
+ return FDT_ADDR_T_NONE;
+#endif
+}
+
fdt_addr_t devfdt_get_addr(struct udevice *dev)
{
return devfdt_get_addr_index(dev, 0);
diff --git a/drivers/core/read.c b/drivers/core/read.c
index 1a044b05e8..8b5502de11 100644
--- a/drivers/core/read.c
+++ b/drivers/core/read.c
@@ -82,6 +82,15 @@ fdt_addr_t dev_read_addr_index(struct udevice *dev, int index)
return devfdt_get_addr_index(dev, index);
}
+fdt_addr_t dev_read_addr_size_index(struct udevice *dev, int index,
+ fdt_size_t *size)
+{
+ if (ofnode_is_np(dev_ofnode(dev)))
+ return ofnode_get_addr_size_index(dev_ofnode(dev), index, size);
+ else
+ return devfdt_get_addr_size_index(dev, index, size);
+}
+
void *dev_remap_addr_index(struct udevice *dev, int index)
{
fdt_addr_t addr = dev_read_addr_index(dev, index);
@@ -102,6 +111,17 @@ fdt_addr_t dev_read_addr_name(struct udevice *dev, const char *name)
return dev_read_addr_index(dev, index);
}
+fdt_addr_t dev_read_addr_size_name(struct udevice *dev, const char *name,
+ fdt_size_t *size)
+{
+ int index = dev_read_stringlist_search(dev, "reg-names", name);
+
+ if (index < 0)
+ return FDT_ADDR_T_NONE;
+ else
+ return dev_read_addr_size_index(dev, index, size);
+}
+
void *dev_remap_addr_name(struct udevice *dev, const char *name)
{
fdt_addr_t addr = dev_read_addr_name(dev, name);
diff --git a/include/dm/fdtaddr.h b/include/dm/fdtaddr.h
index 3bc2599b6c..57b326cb33 100644
--- a/include/dm/fdtaddr.h
+++ b/include/dm/fdtaddr.h
@@ -120,4 +120,22 @@ fdt_addr_t devfdt_get_addr_size_index(struct udevice *dev, int index,
*/
fdt_addr_t devfdt_get_addr_name(struct udevice *dev, const char *name);
+/**
+ * devfdt_get_addr_size_name() - Get the reg property and its size for a device,
+ * indexed by name
+ *
+ * Returns the address and size specified in the 'reg' property of a device.
+ *
+ * @dev: Pointer to a device
+ * @name: the 'reg' property can hold a list of <addr, size> pairs, with the
+ * 'reg-names' property providing named-based identification. @index
+ * indicates the value to search for in 'reg-names'.
+ * @size: Pointer to size variable - this function returns the size
+ * specified in the 'reg' property here
+ *
+ * @return addr
+ */
+fdt_addr_t devfdt_get_addr_size_name(struct udevice *dev, const char *name,
+ fdt_size_t *size);
+
#endif
diff --git a/include/dm/read.h b/include/dm/read.h
index 6ecd062e20..0c62d62f11 100644
--- a/include/dm/read.h
+++ b/include/dm/read.h
@@ -145,6 +145,19 @@ int dev_read_size(struct udevice *dev, const char *propname);
fdt_addr_t dev_read_addr_index(struct udevice *dev, int index);
/**
+ * dev_read_addr_size_index() - Get the indexed reg property of a device
+ *
+ * @dev: Device to read from
+ * @index: the 'reg' property can hold a list of <addr, size> pairs
+ * and @index is used to select which one is required
+ * @size: place to put size value (on success)
+ *
+ * @return address or FDT_ADDR_T_NONE if not found
+ */
+fdt_addr_t dev_read_addr_size_index(struct udevice *dev, int index,
+ fdt_size_t *size);
+
+/**
* dev_remap_addr_index() - Get the indexed reg property of a device
* as a memory-mapped I/O pointer
*
@@ -169,6 +182,20 @@ void *dev_remap_addr_index(struct udevice *dev, int index);
fdt_addr_t dev_read_addr_name(struct udevice *dev, const char* name);
/**
+ * dev_read_addr_size_name() - Get the reg property of a device, indexed by name
+ *
+ * @dev: Device to read from
+ * @name: the 'reg' property can hold a list of <addr, size> pairs, with the
+ * 'reg-names' property providing named-based identification. @index
+ * indicates the value to search for in 'reg-names'.
+ * @size: place to put size value (on success)
+ *
+ * @return address or FDT_ADDR_T_NONE if not found
+ */
+fdt_addr_t dev_read_addr_size_name(struct udevice *dev, const char *name,
+ fdt_size_t *size);
+
+/**
* dev_remap_addr_name() - Get the reg property of a device, indexed by name,
* as a memory-mapped I/O pointer
*
@@ -601,12 +628,26 @@ static inline fdt_addr_t dev_read_addr_index(struct udevice *dev, int index)
return devfdt_get_addr_index(dev, index);
}
+static inline fdt_addr_t dev_read_addr_size_index(struct udevice *dev,
+ int index,
+ fdt_size_t *size)
+{
+ return devfdt_get_addr_size_index(dev, index, size);
+}
+
static inline fdt_addr_t dev_read_addr_name(struct udevice *dev,
const char *name)
{
return devfdt_get_addr_name(dev, name);
}
+static inline fdt_addr_t dev_read_addr_size_name(struct udevice *dev,
+ const char *name,
+ fdt_size_t *size)
+{
+ return devfdt_get_addr_size_name(dev, name, size);
+}
+
static inline fdt_addr_t dev_read_addr(struct udevice *dev)
{
return devfdt_get_addr(dev);
diff --git a/test/dm/test-fdt.c b/test/dm/test-fdt.c
index ad8591639d..1fb8b5c248 100644
--- a/test/dm/test-fdt.c
+++ b/test/dm/test-fdt.c
@@ -549,12 +549,14 @@ static int dm_test_fdt_remap_addr_index_flat(struct unit_test_state *uts)
{
struct udevice *dev;
fdt_addr_t addr;
+ fdt_size_t size;
void *paddr;
ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
- addr = devfdt_get_addr_index(dev, 0);
+ addr = devfdt_get_addr_size_index(dev, 0, &size);
ut_asserteq(0x8000, addr);
+ ut_asserteq(0x1000, size);
paddr = map_physmem(addr, 0, MAP_NOCACHE);
ut_assertnonnull(paddr);
@@ -569,12 +571,14 @@ static int dm_test_fdt_remap_addr_name_flat(struct unit_test_state *uts)
{
struct udevice *dev;
fdt_addr_t addr;
+ fdt_size_t size;
void *paddr;
ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
- addr = devfdt_get_addr_name(dev, "sandbox-dummy-0");
+ addr = devfdt_get_addr_size_name(dev, "sandbox-dummy-0", &size);
ut_asserteq(0x8000, addr);
+ ut_asserteq(0x1000, size);
paddr = map_physmem(addr, 0, MAP_NOCACHE);
ut_assertnonnull(paddr);
@@ -609,12 +613,14 @@ static int dm_test_fdt_remap_addr_index_live(struct unit_test_state *uts)
{
struct udevice *dev;
fdt_addr_t addr;
+ fdt_size_t size;
void *paddr;
ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
- addr = dev_read_addr_index(dev, 0);
+ addr = dev_read_addr_size_index(dev, 0, &size);
ut_asserteq(0x8000, addr);
+ ut_asserteq(0x1000, size);
paddr = map_physmem(addr, 0, MAP_NOCACHE);
ut_assertnonnull(paddr);
@@ -629,12 +635,14 @@ static int dm_test_fdt_remap_addr_name_live(struct unit_test_state *uts)
{
struct udevice *dev;
fdt_addr_t addr;
+ fdt_size_t size;
void *paddr;
ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_DUMMY, 0, true, &dev));
- addr = dev_read_addr_name(dev, "sandbox-dummy-0");
+ addr = dev_read_addr_size_name(dev, "sandbox-dummy-0", &size);
ut_asserteq(0x8000, addr);
+ ut_asserteq(0x1000, size);
paddr = map_physmem(addr, 0, MAP_NOCACHE);
ut_assertnonnull(paddr);