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| author | Thierry Reding <treding@nvidia.com> | 2021-09-03 16:16:19 +0300 |
|---|---|---|
| committer | Tom Warren <twarren@nvidia.com> | 2021-10-14 00:18:30 +0300 |
| commit | 46cb067803bef50cb8a1334a56897d05b5f85e02 (patch) | |
| tree | faafb8dd57963a9cb6359ccd7cd9f2beee04af84 /include/fdtdec.h | |
| parent | 4bf88ba76abb224b3ca258a2f502384ec6c86bd6 (diff) | |
| download | u-boot-46cb067803bef50cb8a1334a56897d05b5f85e02.tar.xz | |
fdtdec: Support compatible string list for reserved memory
Reserved memory nodes can have a compatible string list to identify the
type of reserved memory that they represent. Support specifying an
optional compatible string list when creating these nodes.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>
Diffstat (limited to 'include/fdtdec.h')
| -rw-r--r-- | include/fdtdec.h | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/include/fdtdec.h b/include/fdtdec.h index f961f03012..5a6a7cbd99 100644 --- a/include/fdtdec.h +++ b/include/fdtdec.h @@ -995,7 +995,8 @@ static inline int fdtdec_set_phandle(void *blob, int node, uint32_t phandle) * }; * uint32_t phandle; * - * fdtdec_add_reserved_memory(fdt, "framebuffer", &fb, &phandle, false); + * fdtdec_add_reserved_memory(fdt, "framebuffer", &fb, NULL, 0, &phandle, + * false); * * This results in the following subnode being added to the top-level * /reserved-memory node: @@ -1020,6 +1021,8 @@ static inline int fdtdec_set_phandle(void *blob, int node, uint32_t phandle) * @param blob FDT blob * @param basename base name of the node to create * @param carveout information about the carveout region + * @param compatibles list of compatible strings for the carveout region + * @param count number of compatible strings for the carveout region * @param phandlep return location for the phandle of the carveout region * can be NULL if no phandle should be added * @param no_map add "no-map" property if true @@ -1027,6 +1030,7 @@ static inline int fdtdec_set_phandle(void *blob, int node, uint32_t phandle) */ int fdtdec_add_reserved_memory(void *blob, const char *basename, const struct fdt_memory *carveout, + const char **compatibles, unsigned int count, uint32_t *phandlep, bool no_map); /** @@ -1043,11 +1047,14 @@ int fdtdec_add_reserved_memory(void *blob, const char *basename, * @param index index of the phandle for which to read the carveout * @param carveout return location for the carveout information * @param name return location for the carveout name + * @param compatiblesp return location for compatible strings + * @param countp return location for the number of compatible strings * @return 0 on success or a negative error code on failure */ int fdtdec_get_carveout(const void *blob, const char *node, const char *prop_name, unsigned int index, - struct fdt_memory *carveout, const char **name); + struct fdt_memory *carveout, const char **name, + const char ***compatiblesp, unsigned int *countp); /** * fdtdec_set_carveout() - sets a carveout region for a given node @@ -1065,7 +1072,8 @@ int fdtdec_get_carveout(const void *blob, const char *node, * .end = 0x934b2fff, * }; * - * fdtdec_set_carveout(fdt, node, "memory-region", 0, "framebuffer", &fb); + * fdtdec_set_carveout(fdt, node, "memory-region", 0, "framebuffer", NULL, + * 0, &fb); * * dc@54200000 is a display controller and was set up by the bootloader to * scan out the framebuffer specified by "fb". This would cause the following @@ -1104,10 +1112,13 @@ int fdtdec_get_carveout(const void *blob, const char *node, * @param index index of the phandle to store * @param name base name of the reserved-memory node to create * @param carveout information about the carveout to add + * @param compatibles compatible strings to set for the carveout + * @param count number of compatible strings * @return 0 on success or a negative error code on failure */ int fdtdec_set_carveout(void *blob, const char *node, const char *prop_name, unsigned int index, const char *name, + const char **compatibles, unsigned int count, const struct fdt_memory *carveout); /** |