#ifndef __FDT_SUPPORT_H
#define __FDT_SUPPORT_H
-#ifdef CONFIG_OF_LIBFDT
+#if defined(CONFIG_OF_LIBFDT) && !defined(USE_HOSTCC)
+#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);
u32 fdt_getprop_u32_default(const void *fdt, const char *path,
*/
#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)
* @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)
+ * @param arch architecture (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);
+ const char *type, const char *os, const char *arch);
#ifdef CONFIG_PCI
#include <pci.h>
* 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);
+
+/**
+ * board_fdt_chosen_bootargs() - Arbitrarily amend fdt kernel command line
+ *
+ * This is used for late modification of kernel command line arguments just
+ * before they are added into the /chosen node in flat device tree.
+ *
+ * @return: pointer to kernel command line arguments in memory
+ */
+char *board_fdt_chosen_bootargs(void);
/*
* 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);
/**
* 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);
+int fdt_valid(struct fdt_header **blobp);
+
/**
* fdt_get_cells_len() - Get the length of a type of cell in top-level nodes
*
#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);
#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 */