From fb9bec8e8a7378d921478d5fbcc941e0fa80c01e Mon Sep 17 00:00:00 2001 From: Bin Meng Date: Sun, 12 Sep 2021 11:15:12 +0800 Subject: 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 pair in the 'reg' property. Add a new API devfdt_get_addr_index_ptr() to return the indexed pointer. Signed-off-by: Bin Meng Reviewed-by: Leo Yu-Chi Liang --- include/dm/fdtaddr.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'include') diff --git a/include/dm/fdtaddr.h b/include/dm/fdtaddr.h index a4fda581a77..d2c19942916 100644 --- a/include/dm/fdtaddr.h +++ b/include/dm/fdtaddr.h @@ -92,6 +92,18 @@ 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 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 * -- cgit v1.3.1 From bdce903106397add4283b713132e24972a6ac0ee Mon Sep 17 00:00:00 2001 From: Bin Meng Date: Sun, 12 Sep 2021 11:15:13 +0800 Subject: dm: Provide dev_read_addr_index_ptr() wrapper Like dev_read_addr_ptr(), provide a wrapper for the indexed version. Signed-off-by: Bin Meng Reviewed-by: Leo Yu-Chi Liang Reviewed-by: Simon Glass --- include/dm/read.h | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'include') diff --git a/include/dm/read.h b/include/dm/read.h index 5bf34056147..890bf3d8472 100644 --- a/include/dm/read.h +++ b/include/dm/read.h @@ -180,6 +180,18 @@ int dev_read_size(const struct udevice *dev, const char *propname); */ fdt_addr_t dev_read_addr_index(const struct udevice *dev, int index); +/** + * dev_read_addr_index_ptr() - Get the indexed reg property of a device + * as a pointer + * + * @dev: Device to read from + * @index: the 'reg' property can hold a list of pairs + * and @index is used to select which one is required + * + * @return pointer or NULL if not found + */ +void *dev_read_addr_index_ptr(const struct udevice *dev, int index); + /** * dev_read_addr_size_index() - Get the indexed reg property of a device * @@ -805,6 +817,12 @@ static inline fdt_addr_t dev_read_addr_index(const struct udevice *dev, return devfdt_get_addr_index(dev, index); } +static inline void *dev_read_addr_index_ptr(const struct udevice *dev, + int index) +{ + return devfdt_get_addr_index_ptr(dev, index); +} + static inline fdt_addr_t dev_read_addr_size_index(const struct udevice *dev, int index, fdt_size_t *size) -- cgit v1.3.1