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| author | Bin Meng <bmeng.cn@gmail.com> | 2021-09-12 11:15:12 +0800 |
|---|---|---|
| committer | Leo Yu-Chi Liang <ycliang@andestech.com> | 2021-10-20 10:59:09 +0800 |
| commit | fb9bec8e8a7378d921478d5fbcc941e0fa80c01e (patch) | |
| tree | 5876e80d9ab8107d72821e93e57df8d7495310ac /include | |
| parent | 7e22c85918e68e6df50d01d08585f88fbbaf3456 (diff) | |
| download | u-boot-fb9bec8e8a7378d921478d5fbcc941e0fa80c01e.zip u-boot-fb9bec8e8a7378d921478d5fbcc941e0fa80c01e.tar.gz u-boot-fb9bec8e8a7378d921478d5fbcc941e0fa80c01e.tar.bz2 | |
dm: core: Add a new API devfdt_get_addr_index_ptr()
At present there is only devfdt_get_addr_ptr() which only returns
the first <addr, size> pair in the 'reg' property. Add a new API
devfdt_get_addr_index_ptr() to return the indexed pointer.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/dm/fdtaddr.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/dm/fdtaddr.h b/include/dm/fdtaddr.h index a4fda58..d2c1994 100644 --- a/include/dm/fdtaddr.h +++ b/include/dm/fdtaddr.h @@ -93,6 +93,18 @@ void *devfdt_map_physmem(const struct udevice *dev, unsigned long size); fdt_addr_t devfdt_get_addr_index(const struct udevice *dev, int index); /** + * devfdt_get_addr_index_ptr() - Return indexed pointer to the address of the + * reg property of a device + * + * @dev: Pointer to a device + * @index: the 'reg' property can hold a list of <addr, size> pairs + * and @index is used to select which one is required + * + * @return Pointer to addr, or NULL if there is no such property + */ +void *devfdt_get_addr_index_ptr(const struct udevice *dev, int index); + +/** * devfdt_get_addr_size_index() - Get the indexed reg property of a device * * Returns the address and size specified in the 'reg' property of a device. |