From bc8fa1cbfd429138ebd894a170ce36b07f86b150 Mon Sep 17 00:00:00 2001 From: Matthias Schiffer Date: Wed, 27 Sep 2023 15:33:32 +0200 Subject: core: introduce dev_read_addr_name[_size]_ptr() functions Same as dev_read_addr_name[_size](), but returns a pointer, cast through map_sysmem(). Signed-off-by: Matthias Schiffer Reviewed-by: Simon Glass --- include/dm/fdtaddr.h | 31 +++++++++++++++++++++++++++++++ include/dm/read.h | 41 +++++++++++++++++++++++++++++++++++++++++ 2 files changed, 72 insertions(+) (limited to 'include') diff --git a/include/dm/fdtaddr.h b/include/dm/fdtaddr.h index c577d4369ce..bf8132deb86 100644 --- a/include/dm/fdtaddr.h +++ b/include/dm/fdtaddr.h @@ -146,6 +146,19 @@ void *devfdt_get_addr_size_index_ptr(const struct udevice *dev, int index, */ fdt_addr_t devfdt_get_addr_name(const struct udevice *dev, const char *name); +/** + * devfdt_get_addr_name_ptr() - Get the reg property of a device as a pointer, + * indexed by name + * + * @dev: Pointer to a device + * @name: the 'reg' property can hold a list of pairs, with the + * 'reg-names' property providing named-based identification. @name + * indicates the value to search for in 'reg-names'. + * + * Return: Pointer to addr, or NULL if there is no such property + */ +void *devfdt_get_addr_name_ptr(const struct udevice *dev, const char *name); + /** * devfdt_get_addr_size_name() - Get the reg property and its size for a device, * indexed by name @@ -164,6 +177,24 @@ fdt_addr_t devfdt_get_addr_name(const struct udevice *dev, const char *name); fdt_addr_t devfdt_get_addr_size_name(const struct udevice *dev, const char *name, fdt_size_t *size); +/** + * devfdt_get_addr_size_name_ptr() - Get the reg property for a device as a + * pointer, 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 pairs, with the + * 'reg-names' property providing named-based identification. @name + * 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: Pointer to addr, or NULL if there is no such property + */ +void *devfdt_get_addr_size_name_ptr(const struct udevice *dev, + const char *name, fdt_size_t *size); + /** * devfdt_get_addr_pci() - Read an address and handle PCI address translation * diff --git a/include/dm/read.h b/include/dm/read.h index 517795cc206..894bc698bb4 100644 --- a/include/dm/read.h +++ b/include/dm/read.h @@ -284,6 +284,19 @@ void *dev_remap_addr_index(const struct udevice *dev, int index); */ fdt_addr_t dev_read_addr_name(const struct udevice *dev, const char *name); +/** + * dev_read_addr_name_ptr() - Get the reg property of a device as a pointer, + * indexed by name + * + * @dev: Device to read from + * @name: the 'reg' property can hold a list of pairs, with the + * 'reg-names' property providing named-based identification. @name + * indicates the value to search for in 'reg-names'. + * + * Return: pointer or NULL if not found + */ +void *dev_read_addr_name_ptr(const struct udevice *dev, const char *name); + /** * dev_read_addr_size_name() - Get the reg property of a device, indexed by name * @@ -298,6 +311,21 @@ fdt_addr_t dev_read_addr_name(const struct udevice *dev, const char *name); fdt_addr_t dev_read_addr_size_name(const struct udevice *dev, const char *name, fdt_size_t *size); +/** + * dev_read_addr_size_name_ptr() - Get the reg property of a device as a pointer, + * indexed by name + * + * @dev: Device to read from + * @name: the 'reg' property can hold a list of pairs, with the + * 'reg-names' property providing named-based identification. @name + * indicates the value to search for in 'reg-names'. + * @size: place to put size value (on success) + * + * Return: pointer or NULL if not found + */ +void *dev_read_addr_size_name_ptr(const 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 @@ -980,6 +1008,12 @@ static inline fdt_addr_t dev_read_addr_name(const struct udevice *dev, return devfdt_get_addr_name(dev, name); } +static inline void *dev_read_addr_name_ptr(const struct udevice *dev, + const char *name) +{ + return devfdt_get_addr_name_ptr(dev, name); +} + static inline fdt_addr_t dev_read_addr_size_name(const struct udevice *dev, const char *name, fdt_size_t *size) @@ -987,6 +1021,13 @@ static inline fdt_addr_t dev_read_addr_size_name(const struct udevice *dev, return devfdt_get_addr_size_name(dev, name, size); } +static inline void *dev_read_addr_size_name_ptr(const struct udevice *dev, + const char *name, + fdt_size_t *size) +{ + return devfdt_get_addr_size_name_ptr(dev, name, size); +} + static inline fdt_addr_t dev_read_addr(const struct udevice *dev) { return devfdt_get_addr(dev); -- cgit v1.2.3