{
DM_ROOT_NON_CONST = DM_DEVICE_GET(root);
+ if (CONFIG_IS_ENABLED(OF_PLATDATA_RT)) {
+ struct udevice_rt *urt;
+ int n_ents;
+
+ /* Allocate the udevice_rt table */
+ n_ents = ll_entry_count(struct udevice, udevice);
+ urt = calloc(n_ents, sizeof(struct udevice_rt));
+ if (!urt)
+ return log_msg_ret("urt", -ENOMEM);
+ gd_set_dm_udevice_rt(urt);
+ }
+
return 0;
}
{
int ret;
- if (CONFIG_IS_ENABLED(OF_PLATDATA)) {
+ if (CONFIG_IS_ENABLED(OF_PLATDATA_DRIVER_RT)) {
struct driver_rt *dyn;
int n_ents;
bool "Generate platform data for use in SPL"
depends on SPL_OF_CONTROL
select DTOC
+ select SPL_OF_PLATDATA_DRIVER_RT if !SPL_OF_PLATDATA_INST
help
For very constrained SPL environments the overhead of decoding
device tree nodes and converting their contents into platform data
struct udevice (at present just the flags) into a separate struct,
which is allocated at runtime.
+config SPL_OF_PLATDATA_DRIVER_RT
+ bool
+ help
+ Use a separate struct for driver runtime data.
+
+ This enables the driver_rt information, used with of-platdata when
+ of-platdata-inst is not used. It allows finding devices by their
+ driver data.
+
endif
config TPL_OF_PLATDATA
bool "Generate platform data for use in TPL"
depends on TPL_OF_CONTROL
select DTOC
+ select TPL_OF_PLATDATA_DRIVER_RT if !TPL_OF_PLATDATA_INST
help
For very constrained SPL environments the overhead of decoding
device tree nodes and converting their contents into platform data
struct udevice (at present just the flags) into a separate struct,
which is allocated at runtime.
+config TPL_OF_PLATDATA_DRIVER_RT
+ bool
+ help
+ Use a separate struct for driver runtime data.
+
+ This enables the driver_rt information, used with of-platdata when
+ of-platdata-inst is not used. It allows finding devices by their
+ driver data.
+
endif
endmenu
* @uclass_root_s.
*/
struct list_head *uclass_root;
-# if CONFIG_IS_ENABLED(OF_PLATDATA)
+# if CONFIG_IS_ENABLED(OF_PLATDATA_DRIVER_RT)
/** @dm_driver_rt: Dynamic info about the driver */
struct driver_rt *dm_driver_rt;
# endif
+#if CONFIG_IS_ENABLED(OF_PLATDATA_RT)
+ /** @dm_udevice_rt: Dynamic info about the udevice */
+ struct udevice_rt *dm_udevice_rt;
+# endif
#endif
#ifdef CONFIG_TIMER
/**
#define gd_set_of_root(_root)
#endif
-#if CONFIG_IS_ENABLED(OF_PLATDATA)
+#if CONFIG_IS_ENABLED(OF_PLATDATA_DRIVER_RT)
#define gd_set_dm_driver_rt(dyn) gd->dm_driver_rt = dyn
#define gd_dm_driver_rt() gd->dm_driver_rt
#else
#define gd_dm_driver_rt() NULL
#endif
+#if CONFIG_IS_ENABLED(OF_PLATDATA_RT)
+#define gd_set_dm_udevice_rt(dyn) gd->dm_udevice_rt = dyn
+#define gd_dm_udevice_rt() gd->dm_udevice_rt
+#else
+#define gd_set_dm_udevice_rt(dyn)
+#define gd_dm_udevice_rt() NULL
+#endif
+
#ifdef CONFIG_GENERATE_ACPI_TABLE
#define gd_acpi_ctx() gd->acpi_ctx
#else
#endif
};
+/**
+ * udevice_rt - runtime information set up by U-Boot
+ *
+ * This is only used with OF_PLATDATA_RT
+ *
+ * There is one of these for every udevice in the linker list, indexed by
+ * the udevice_info idx value.
+ *
+ * @flags_: Flags for this device DM_FLAG_... (do not access outside driver
+ * model)
+ */
+struct udevice_rt {
+ u32 flags_;
+};
+
/* Maximum sequence number supported */
#define DM_MAX_SEQ 999
uint i;
/* Skip this test if there is no platform data */
- if (CONFIG_IS_ENABLED(OF_PLATDATA_INST))
+ if (!CONFIG_IS_ENABLED(OF_PLATDATA_DRIVER_RT))
return 0;
/* Record the indexes that are found */