+/* SPDX-License-Identifier: GPL-2.0+ */
/*
* (C) Copyright 2007
* Gerald Van Baren, Custom IDEAS, vanbaren@cideas.com
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __FDT_SUPPORT_H
#ifdef CONFIG_OF_LIBFDT
-#include <libfdt.h>
+#include <asm/u-boot.h>
+#include <linux/libfdt.h>
+
+/**
+ * arch_fixup_fdt() - Write arch-specific information to fdt
+ *
+ * Defined in arch/$(ARCH)/lib/bootm-fdt.c
+ *
+ * @blob: FDT blob to write to
+ * @return 0 if ok, or -ve FDT_ERR_... on failure
+ */
+int arch_fixup_fdt(void *blob);
+
+void ft_cpu_setup(void *blob, struct bd_info *bd);
+
+void ft_pci_setup(void *blob, struct bd_info *bd);
u32 fdt_getprop_u32_default_node(const void *fdt, int off, int cell,
const char *prop, const u32 dflt);
*/
#ifdef CONFIG_ARCH_FIXUP_FDT_MEMORY
int fdt_fixup_memory_banks(void *blob, u64 start[], u64 size[], int banks);
+int fdt_set_usable_memory(void *blob, u64 start[], u64 size[], int banks);
#else
static inline int fdt_fixup_memory_banks(void *blob, u64 start[], u64 size[],
int banks)
int fdt_fixup_display(void *blob, const char *path, const char *display);
#if defined(CONFIG_USB_EHCI_FSL) || defined(CONFIG_USB_XHCI_FSL)
-void fsl_fdt_fixup_dr_usb(void *blob, bd_t *bd);
+void fsl_fdt_fixup_dr_usb(void *blob, struct bd_info *bd);
#else
-static inline void fsl_fdt_fixup_dr_usb(void *blob, bd_t *bd) {}
+static inline void fsl_fdt_fixup_dr_usb(void *blob, struct bd_info *bd) {}
#endif /* defined(CONFIG_USB_EHCI_FSL) || defined(CONFIG_USB_XHCI_FSL) */
#if defined(CONFIG_SYS_FSL_SEC_COMPAT)
static inline void fdt_fixup_crypto_node(void *blob, int sec_rev) {}
#endif
+/**
+ * Record information about a processed loadable in /fit-images (creating
+ * /fit-images if necessary).
+ *
+ * @param blob FDT blob to update
+ * @param index index of this loadable
+ * @param name name of the loadable
+ * @param load_addr address the loadable was loaded to
+ * @param size number of bytes loaded
+ * @param entry_point entry point (if specified, otherwise pass -1)
+ * @param type type (if specified, otherwise pass NULL)
+ * @param os os-type (if specified, otherwise pass NULL)
+ * @return 0 if ok, or -1 or -FDT_ERR_... on error
+ */
+int fdt_record_loadable(void *blob, u32 index, const char *name,
+ uintptr_t load_addr, u32 size, uintptr_t entry_point,
+ const char *type, const char *os);
+
#ifdef CONFIG_PCI
#include <pci.h>
int fdt_pci_dma_ranges(void *blob, int phb_off, struct pci_controller *hose);
* This function is called if CONFIG_OF_BOARD_SETUP is defined
*
* @param blob FDT blob to update
- * @param bd_t Pointer to board data
+ * @param bd Pointer to board data
* @return 0 if ok, or -FDT_ERR_... on error
*/
-int ft_board_setup(void *blob, bd_t *bd);
+int ft_board_setup(void *blob, struct bd_info *bd);
/*
* The keystone2 SOC requires all 32 bit aliased addresses to be converted
* are added or modified by the image_setup_libfdt(). The ft_board_setup_ex()
* called at the end of the image_setup_libfdt() is to do that convertion.
*/
-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 ft_board_setup_ex(void *blob, struct bd_info *bd);
+void ft_cpu_setup(void *blob, struct bd_info *bd);
+void ft_pci_setup(void *blob, struct bd_info *bd);
/**
* Add system-specific data to the FDT before booting the OS.
* This function is called if CONFIG_OF_SYSTEM_SETUP is defined
*
* @param blob FDT blob to update
- * @param bd_t Pointer to board data
+ * @param bd Pointer to board data
* @return 0 if ok, or -FDT_ERR_... on error
*/
-int ft_system_setup(void *blob, bd_t *bd);
+int ft_system_setup(void *blob, struct bd_info *bd);
void set_working_fdt_addr(ulong addr);
int fdt_fixup_nor_flash_size(void *blob);
+struct node_info;
#if defined(CONFIG_FDT_FIXUP_PARTITIONS)
-void fdt_fixup_mtdparts(void *fdt, void *node_info, int node_info_size);
+void fdt_fixup_mtdparts(void *fdt, const struct node_info *node_info,
+ int node_info_size);
#else
-static inline void fdt_fixup_mtdparts(void *fdt, void *node_info,
- int node_info_size) {}
+static inline void fdt_fixup_mtdparts(void *fdt,
+ const struct node_info *node_info,
+ int node_info_size)
+{
+}
#endif
void fdt_del_node_and_alias(void *blob, const char *alias);
+
+/**
+ * Translate an address from the DT into a CPU physical address
+ *
+ * The translation relies on the "ranges" property.
+ *
+ * @param blob Pointer to device tree blob
+ * @param node_offset Node DT offset
+ * @param in_addr Pointer to the address to translate
+ * @return translated address or OF_BAD_ADDR on error
+ */
u64 fdt_translate_address(const void *blob, int node_offset,
const __be32 *in_addr);
+/**
+ * Translate a DMA address from the DT into a CPU physical address
+ *
+ * The translation relies on the "dma-ranges" property.
+ *
+ * @param blob Pointer to device tree blob
+ * @param node_offset Node DT offset
+ * @param in_addr Pointer to the DMA address to translate
+ * @return translated DMA address or OF_BAD_ADDR on error
+ */
+u64 fdt_translate_dma_address(const void *blob, int node_offset,
+ const __be32 *in_addr);
+
+/**
+ * Get DMA ranges for a specifc node, this is useful to perform bus->cpu and
+ * cpu->bus address translations
+ *
+ * @param blob Pointer to device tree blob
+ * @param node_offset Node DT offset
+ * @param cpu Pointer to variable storing the range's cpu address
+ * @param bus Pointer to variable storing the range's bus address
+ * @param size Pointer to variable storing the range's size
+ * @return translated DMA address or OF_BAD_ADDR on error
+ */
+int fdt_get_dma_range(const void *blob, int node_offset, phys_addr_t *cpu,
+ dma_addr_t *bus, u64 *size);
+
int fdt_node_offset_by_compat_reg(void *blob, const char *compat,
phys_addr_t compat_off);
int fdt_alloc_phandle(void *blob);
int fdt_overlay_apply_verbose(void *fdt, void *fdto);
+/**
+ * fdt_get_cells_len() - Get the length of a type of cell in top-level nodes
+ *
+ * Returns the length of the cell type in bytes (4 or 8).
+ *
+ * @blob: Pointer to device tree blob
+ * @nr_cells_name: Name to lookup, e.g. "#address-cells"
+ */
+int fdt_get_cells_len(const void *blob, char *nr_cells_name);
+
#endif /* ifdef CONFIG_OF_LIBFDT */
#ifdef USE_HOSTCC
int fdtdec_get_int(const void *blob, int node, const char *prop_name,
int default_val);
+
+/*
+ * Count child nodes of one parent node.
+ *
+ * @param blob FDT blob
+ * @param node parent node
+ * @return number of child node; 0 if there is not child node
+ */
+int fdtdec_get_child_count(const void *blob, int node);
+#endif
+#ifdef CONFIG_FMAN_ENET
+int fdt_update_ethernet_dt(void *blob);
+#endif
+#ifdef CONFIG_FSL_MC_ENET
+void fdt_fixup_board_enet(void *blob);
+#endif
+#ifdef CONFIG_CMD_PSTORE
+void fdt_fixup_pstore(void *blob);
#endif
#endif /* ifndef __FDT_SUPPORT_H */
projects / platform / kernel / u-boot.git / blobdiff