Merge git://git.denx.de/u-boot-fdt

include/clk.h

@@ -61,9 +61,9 @@ struct clk {
 };
 
 #if CONFIG_IS_ENABLED(OF_CONTROL) && CONFIG_IS_ENABLED(CLK)
-struct phandle_2_cell;
+struct phandle_1_arg;
 int clk_get_by_index_platdata(struct udevice *dev, int index,
-			      struct phandle_2_cell *cells, struct clk *clk);
+			      struct phandle_1_arg *cells, struct clk *clk);
 
 /**
  * clock_get_by_index - Get/request a clock by integer index.

include/dt-structs.h

@@ -9,11 +9,21 @@
 
 /* These structures may only be used in SPL */
 #if CONFIG_IS_ENABLED(OF_PLATDATA)
-struct phandle_2_cell {
+struct phandle_0_arg {
 	const void *node;
-	int id;
+	int arg[0];
 };
-#include <generated/dt-structs.h>
+
+struct phandle_1_arg {
+	const void *node;
+	int arg[1];
+};
+
+struct phandle_2_arg {
+	const void *node;
+	int arg[2];
+};
+#include <generated/dt-structs-gen.h>
 #endif
 
 #endif

include/fdt_support.h

@@ -264,6 +264,8 @@ int arch_fixup_memory_node(void *blob);
 int fdt_setup_simplefb_node(void *fdt, int node, u64 base_address, u32 width,
 			    u32 height, u32 stride, const char *format);
 
+int fdt_overlay_apply_verbose(void *fdt, void *fdto);
+
 #endif /* ifdef CONFIG_OF_LIBFDT */
 
 #ifdef USE_HOSTCC

include/fdtdec.h

@@ -27,10 +27,12 @@ typedef phys_size_t fdt_size_t;
 #define FDT_ADDR_T_NONE (-1ULL)
 #define fdt_addr_to_cpu(reg) be64_to_cpu(reg)
 #define fdt_size_to_cpu(reg) be64_to_cpu(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)
+typedef fdt32_t fdt_val_t;
 #endif
 
 /* Information obtained about memory from the FDT */

include/image.h

@@ -593,6 +593,31 @@ int boot_get_loadable(int argc, char * const argv[], bootm_headers_t *images,
 int boot_get_setup_fit(bootm_headers_t *images, uint8_t arch,
 		       ulong *setup_start, ulong *setup_len);
 
+/**
+ * boot_get_fdt_fit() - load a DTB from a FIT file (applying overlays)
+ *
+ * This deals with all aspects of loading an DTB from a FIT.
+ * The correct base image based on configuration will be selected, and
+ * then any overlays specified will be applied (as present in fit_uname_configp).
+ *
+ * @param images	Boot images structure
+ * @param addr		Address of FIT in memory
+ * @param fit_unamep	On entry this is the requested image name
+ *			(e.g. "kernel@1") or NULL to use the default. On exit
+ *			points to the selected image name
+ * @param fit_uname_configp	On entry this is the requested configuration
+ *			name (e.g. "conf@1") or NULL to use the default. On
+ *			exit points to the selected configuration name.
+ * @param arch		Expected architecture (IH_ARCH_...)
+ * @param datap		Returns address of loaded image
+ * @param lenp		Returns length of loaded image
+ *
+ * @return node offset of base image, or -ve error code on error
+ */
+int boot_get_fdt_fit(bootm_headers_t *images, ulong addr,
+		   const char **fit_unamep, const char **fit_uname_configp,
+		   int arch, ulong *datap, ulong *lenp);
+
 /**
  * fit_image_load() - load an image from a FIT
  *

include/regmap.h

@@ -69,7 +69,7 @@ int regmap_init_mem(struct udevice *dev, struct regmap **mapp);
  * @count:	Number of pairs (e.g. 1 if the regmap has a single entry)
  * @mapp:	Returns allocated map
  */
-int regmap_init_mem_platdata(struct udevice *dev, u32 *reg, int count,
+int regmap_init_mem_platdata(struct udevice *dev, fdt_val_t *reg, int count,
 			     struct regmap **mapp);
 
 /**

include/syscon.h

@@ -8,6 +8,8 @@
 #ifndef __SYSCON_H
 #define __SYSCON_H
 
+#include <fdtdec.h>
+
 /**
  * struct syscon_uc_info - Information stored by the syscon UCLASS_UCLASS
  *
@@ -28,9 +30,11 @@ struct syscon_ops {
  * We don't support 64-bit machines. If they are so resource-contrained that
  * they need to use OF_PLATDATA, something is horribly wrong with the
  * education of our hardware engineers.
+ *
+ * Update: 64-bit is now supported and we have an education crisis.
  */
 struct syscon_base_platdata {
-	u32 reg[2];
+	fdt_val_t reg[2];
 };
 #endif