diff options
| author | Chen Guanqiao <chenguanqiao@kuaishou.com> | 2021-04-12 14:51:11 +0800 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2021-04-29 03:23:39 -0700 |
| commit | aa351a14bd0a78221014719d190b565be60cb4ce (patch) | |
| tree | bb9c83d868e56ef811ef06229978ba2ac3b81628 /include | |
| parent | f1a83abe60b4ef8b2652e4c8e1d11a9afc909b71 (diff) | |
| download | u-boot-aa351a14bd0a78221014719d190b565be60cb4ce.tar.gz u-boot-aa351a14bd0a78221014719d190b565be60cb4ce.tar.xz u-boot-aa351a14bd0a78221014719d190b565be60cb4ce.zip | |
dm: core: Add size operations on device tree references
Add functions to add size of addresses in the device tree using ofnode
references.
If the size is not set, return FDT_SIZE_T_NONE.
Signed-off-by: Chen Guanqiao <chenguanqiao@kuaishou.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/dm/ofnode.h | 10 | ||||
| -rw-r--r-- | include/fdtdec.h | 5 |
2 files changed, 13 insertions, 2 deletions
diff --git a/include/dm/ofnode.h b/include/dm/ofnode.h index 2c0597c407..8a69fd87da 100644 --- a/include/dm/ofnode.h +++ b/include/dm/ofnode.h @@ -511,6 +511,16 @@ phys_addr_t ofnode_get_addr_index(ofnode node, int index); phys_addr_t ofnode_get_addr(ofnode node); /** + * ofnode_get_size() - get size from a node + * + * This reads the register size from a node + * + * @node: node to read from + * @return size of the address, or FDT_SIZE_T_NONE if not present or invalid + */ +fdt_size_t ofnode_get_size(ofnode node); + +/** * ofnode_stringlist_search() - find a string in a string list and return index * * Note that it is possible for this function to succeed on property values diff --git a/include/fdtdec.h b/include/fdtdec.h index 62d1660973..e0a49b1e57 100644 --- a/include/fdtdec.h +++ b/include/fdtdec.h @@ -24,15 +24,16 @@ typedef phys_addr_t fdt_addr_t; typedef phys_size_t fdt_size_t; -#ifdef CONFIG_PHYS_64BIT #define FDT_ADDR_T_NONE (-1U) +#define FDT_SIZE_T_NONE (-1U) + +#ifdef CONFIG_PHYS_64BIT #define fdt_addr_to_cpu(reg) be64_to_cpu(reg) #define fdt_size_to_cpu(reg) be64_to_cpu(reg) #define cpu_to_fdt_addr(reg) cpu_to_be64(reg) #define cpu_to_fdt_size(reg) cpu_to_be64(reg) typedef fdt64_t fdt_val_t; #else -#define FDT_ADDR_T_NONE (-1U) #define fdt_addr_to_cpu(reg) be32_to_cpu(reg) #define fdt_size_to_cpu(reg) be32_to_cpu(reg) #define cpu_to_fdt_addr(reg) cpu_to_be32(reg) |