X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=include%2Ffdt_support.h;h=5d4f28dc786e7b91e58b4b1b3190f4ad96e0d411;hb=536266231a340c0c5e571e1012bf3f8fc835b251;hp=21d7b44453286cbf78904f4620cb4fdc172fd2e6;hpb=304f936aeaab0c3cc9d5af438fd3498ac7682991;p=oweals%2Fu-boot.git

diff --git a/include/fdt_support.h b/include/fdt_support.h
index 21d7b44453..5d4f28dc78 100644
--- a/include/fdt_support.h
+++ b/include/fdt_support.h
@@ -47,6 +47,19 @@ int fdt_find_and_setprop(void *fdt, const char *node, const char *prop,
 			 const void *val, int len, int create);
 void fdt_fixup_qe_firmware(void *fdt);
 
+/**
+ * Update native-mode property of display-timings node to the phandle
+ * of the timings matching a display by name (case insensitive).
+ *
+ * see kernel Documentation/devicetree/bindings/video/display-timing.txt
+ *
+ * @param blob		FDT blob to update
+ * @param path		path within dt
+ * @param display	name of display timing to match
+ * @return 0 if ok, or -FDT_ERR_... on error
+ */
+int fdt_fixup_display(void *blob, const char *path, const char *display);
+
 #if defined(CONFIG_HAS_FSL_DR_USB) || defined(CONFIG_HAS_FSL_MPH_USB)
 void fdt_fixup_dr_usb(void *blob, bd_t *bd);
 #else
@@ -64,7 +77,20 @@ static inline void fdt_fixup_crypto_node(void *blob, int sec_rev) {}
 int fdt_pci_dma_ranges(void *blob, int phb_off, struct pci_controller *hose);
 #endif
 
-void ft_board_setup(void *blob, bd_t *bd);
+int fdt_find_or_add_subnode(void *fdt, int parentoffset, const char *name);
+
+/**
+ * Add board-specific data to the FDT before booting the OS.
+ *
+ * Use CONFIG_SYS_FDT_PAD to ensure there is sufficient space.
+ * This function is called if CONFIG_OF_BOARD_SETUP is defined
+ *
+ * @param blob		FDT blob to update
+ * @param bd_t		Pointer to board data
+ * @return 0 if ok, or -FDT_ERR_... on error
+ */
+int ft_board_setup(void *blob, bd_t *bd);
+
 /*
  * The keystone2 SOC requires all 32 bit aliased addresses to be converted
  * to their 36 physical format. This has to happen after all fdt nodes
@@ -75,8 +101,20 @@ void ft_board_setup_ex(void *blob, bd_t *bd);
 void ft_cpu_setup(void *blob, bd_t *bd);
 void ft_pci_setup(void *blob, bd_t *bd);
 
-void set_working_fdt_addr(void *addr);
-int fdt_resize(void *blob);
+/**
+ * Add system-specific data to the FDT before booting the OS.
+ *
+ * Use CONFIG_SYS_FDT_PAD to ensure there is sufficient space.
+ * This function is called if CONFIG_OF_SYSTEM_SETUP is defined
+ *
+ * @param blob		FDT blob to update
+ * @param bd_t		Pointer to board data
+ * @return 0 if ok, or -FDT_ERR_... on error
+ */
+int ft_system_setup(void *blob, bd_t *bd);
+
+void set_working_fdt_addr(ulong addr);
+int fdt_shrink_to_minimum(void *blob);
 int fdt_increase_size(void *fdt, int add_len);
 
 int fdt_fixup_nor_flash_size(void *blob);
@@ -113,17 +151,42 @@ static inline int fdt_status_disabled(void *fdt, int nodeoffset)
 {
 	return fdt_set_node_status(fdt, nodeoffset, FDT_STATUS_DISABLED, 0);
 }
+static inline int fdt_status_fail(void *fdt, int nodeoffset)
+{
+	return fdt_set_node_status(fdt, nodeoffset, FDT_STATUS_FAIL, 0);
+}
 
-int fdt_set_status_by_alias(void *fdt, const char* alias,
+int fdt_set_status_by_alias(void *fdt, const char *alias,
 			    enum fdt_status status, unsigned int error_code);
-static inline int fdt_status_okay_by_alias(void *fdt, const char* alias)
+static inline int fdt_status_okay_by_alias(void *fdt, const char *alias)
 {
 	return fdt_set_status_by_alias(fdt, alias, FDT_STATUS_OKAY, 0);
 }
-static inline int fdt_status_disabled_by_alias(void *fdt, const char* alias)
+static inline int fdt_status_disabled_by_alias(void *fdt, const char *alias)
 {
 	return fdt_set_status_by_alias(fdt, alias, FDT_STATUS_DISABLED, 0);
 }
+static inline int fdt_status_fail_by_alias(void *fdt, const char *alias)
+{
+	return fdt_set_status_by_alias(fdt, alias, FDT_STATUS_FAIL, 0);
+}
+
+/* Helper to read a big number; size is in cells (not bytes) */
+static inline u64 of_read_number(const fdt32_t *cell, int size)
+{
+	u64 r = 0;
+	while (size--)
+		r = (r << 32) | fdt32_to_cpu(*(cell++));
+	return r;
+}
+
+void of_bus_default_count_cells(void *blob, int parentoffset,
+					int *addrc, int *sizec);
+int ft_verify_fdt(void *fdt);
+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);
 
 #endif /* ifdef CONFIG_OF_LIBFDT */