diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/dm/fdtaddr.h | 22 | ||||
| -rw-r--r-- | include/dm/read.h | 32 |
2 files changed, 54 insertions, 0 deletions
diff --git a/include/dm/fdtaddr.h b/include/dm/fdtaddr.h index db4c11e083..49a6ffd5f8 100644 --- a/include/dm/fdtaddr.h +++ b/include/dm/fdtaddr.h @@ -34,6 +34,28 @@ fdt_addr_t devfdt_get_addr(struct udevice *dev); void *devfdt_get_addr_ptr(struct udevice *dev); /** + * devfdt_remap_addr() - Return pointer to the memory-mapped I/O address + * of the reg property of a device + * + * @dev: Pointer to a device + * + * @return Pointer to addr, or NULL if there is no such property + */ +void *devfdt_remap_addr(struct udevice *dev); + +/** + * devfdt_remap_addr_index() - Return indexed pointer to the memory-mapped + * I/O address of the reg property of a device + * @index: the 'reg' property can hold a list of <addr, size> pairs + * and @index is used to select which one is required + * + * @dev: Pointer to a device + * + * @return Pointer to addr, or NULL if there is no such property + */ +void *devfdt_remap_addr_index(struct udevice *dev, int index); + +/** * devfdt_map_physmem() - Read device address from reg property of the * device node and map the address into CPU address * space. diff --git a/include/dm/read.h b/include/dm/read.h index 4a725bc923..a27b8554fb 100644 --- a/include/dm/read.h +++ b/include/dm/read.h @@ -113,6 +113,18 @@ int dev_read_size(struct udevice *dev, const char *propname); fdt_addr_t dev_read_addr_index(struct udevice *dev, int index); /** + * dev_remap_addr_index() - Get the indexed reg property of a device + * as a memory-mapped I/O pointer + * + * @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 + * + * @return pointer or NULL if not found + */ +void *dev_remap_addr_index(struct udevice *dev, int index); + +/** * dev_read_addr() - Get the reg property of a device * * @dev: Device to read from @@ -132,6 +144,16 @@ fdt_addr_t dev_read_addr(struct udevice *dev); void *dev_read_addr_ptr(struct udevice *dev); /** + * dev_remap_addr() - Get the reg property of a device as a + * memory-mapped I/O pointer + * + * @dev: Device to read from + * + * @return pointer or NULL if not found + */ +void *dev_remap_addr(struct udevice *dev); + +/** * dev_read_addr_size() - get address and size from a device property * * This does no address translation. It simply reads an property that contains @@ -482,6 +504,16 @@ static inline void *dev_read_addr_ptr(struct udevice *dev) return devfdt_get_addr_ptr(dev); } +static inline void *dev_remap_addr(struct udevice *dev) +{ + return devfdt_remap_addr(dev); +} + +static inline void *dev_remap_addr_index(struct udevice *dev, int index) +{ + return devfdt_remap_addr_index(dev, index); +} + static inline fdt_addr_t dev_read_addr_size(struct udevice *dev, const char *propname, fdt_size_t *sizep) |