185 lines
6.2 KiB
C
185 lines
6.2 KiB
C
/*
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* (C) Copyright 2007
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* Gerald Van Baren, Custom IDEAS, vanbaren@cideas.com
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef __FDT_SUPPORT_H
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#define __FDT_SUPPORT_H
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#ifdef CONFIG_OF_LIBFDT
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#include <libfdt.h>
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u32 fdt_getprop_u32_default_node(const void *fdt, int off, int cell,
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const char *prop, const u32 dflt);
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u32 fdt_getprop_u32_default(const void *fdt, const char *path,
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const char *prop, const u32 dflt);
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int fdt_chosen(void *fdt);
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int fdt_initrd(void *fdt, ulong initrd_start, ulong initrd_end);
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void do_fixup_by_path(void *fdt, const char *path, const char *prop,
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const void *val, int len, int create);
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void do_fixup_by_path_u32(void *fdt, const char *path, const char *prop,
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u32 val, int create);
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static inline void do_fixup_by_path_string(void *fdt, const char *path,
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const char *prop, const char *status)
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{
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do_fixup_by_path(fdt, path, prop, status, strlen(status) + 1, 1);
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}
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void do_fixup_by_prop(void *fdt,
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const char *pname, const void *pval, int plen,
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const char *prop, const void *val, int len,
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int create);
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void do_fixup_by_prop_u32(void *fdt,
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const char *pname, const void *pval, int plen,
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const char *prop, u32 val, int create);
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void do_fixup_by_compat(void *fdt, const char *compat,
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const char *prop, const void *val, int len, int create);
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void do_fixup_by_compat_u32(void *fdt, const char *compat,
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const char *prop, u32 val, int create);
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int fdt_fixup_memory(void *blob, u64 start, u64 size);
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int fdt_fixup_memory_banks(void *blob, u64 start[], u64 size[], int banks);
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void fdt_fixup_ethernet(void *fdt);
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int fdt_find_and_setprop(void *fdt, const char *node, const char *prop,
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const void *val, int len, int create);
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void fdt_fixup_qe_firmware(void *fdt);
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#if defined(CONFIG_HAS_FSL_DR_USB) || defined(CONFIG_HAS_FSL_MPH_USB)
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void fdt_fixup_dr_usb(void *blob, bd_t *bd);
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#else
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static inline void fdt_fixup_dr_usb(void *blob, bd_t *bd) {}
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#endif /* defined(CONFIG_HAS_FSL_DR_USB) || defined(CONFIG_HAS_FSL_MPH_USB) */
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#if defined(CONFIG_SYS_FSL_SEC_COMPAT)
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void fdt_fixup_crypto_node(void *blob, int sec_rev);
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#else
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static inline void fdt_fixup_crypto_node(void *blob, int sec_rev) {}
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#endif
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#ifdef CONFIG_PCI
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#include <pci.h>
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int fdt_pci_dma_ranges(void *blob, int phb_off, struct pci_controller *hose);
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#endif
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int fdt_find_or_add_subnode(void *fdt, int parentoffset, const char *name);
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/**
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* Add board-specific data to the FDT before booting the OS.
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*
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* Use CONFIG_SYS_FDT_PAD to ensure there is sufficient space.
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* This function is called if CONFIG_OF_BOARD_SETUP is defined
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*
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* @param blob FDT blob to update
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* @param bd_t Pointer to board data
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* @return 0 if ok, or -FDT_ERR_... on error
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*/
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int ft_board_setup(void *blob, bd_t *bd);
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/*
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* The keystone2 SOC requires all 32 bit aliased addresses to be converted
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* to their 36 physical format. This has to happen after all fdt nodes
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* are added or modified by the image_setup_libfdt(). The ft_board_setup_ex()
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* called at the end of the image_setup_libfdt() is to do that convertion.
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*/
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void ft_board_setup_ex(void *blob, bd_t *bd);
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void ft_cpu_setup(void *blob, bd_t *bd);
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void ft_pci_setup(void *blob, bd_t *bd);
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/**
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* Add system-specific data to the FDT before booting the OS.
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*
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* Use CONFIG_SYS_FDT_PAD to ensure there is sufficient space.
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* This function is called if CONFIG_OF_SYSTEM_SETUP is defined
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*
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* @param blob FDT blob to update
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* @param bd_t Pointer to board data
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* @return 0 if ok, or -FDT_ERR_... on error
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*/
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int ft_system_setup(void *blob, bd_t *bd);
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void set_working_fdt_addr(void *addr);
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int fdt_shrink_to_minimum(void *blob);
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int fdt_increase_size(void *fdt, int add_len);
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int fdt_fixup_nor_flash_size(void *blob);
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void fdt_fixup_mtdparts(void *fdt, void *node_info, int node_info_size);
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void fdt_del_node_and_alias(void *blob, const char *alias);
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u64 fdt_translate_address(void *blob, int node_offset, const __be32 *in_addr);
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int fdt_node_offset_by_compat_reg(void *blob, const char *compat,
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phys_addr_t compat_off);
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int fdt_alloc_phandle(void *blob);
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int fdt_set_phandle(void *fdt, int nodeoffset, uint32_t phandle);
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unsigned int fdt_create_phandle(void *fdt, int nodeoffset);
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int fdt_add_edid(void *blob, const char *compat, unsigned char *buf);
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int fdt_verify_alias_address(void *fdt, int anode, const char *alias,
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u64 addr);
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u64 fdt_get_base_address(void *fdt, int node);
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int fdt_read_range(void *fdt, int node, int n, uint64_t *child_addr,
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uint64_t *addr, uint64_t *len);
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enum fdt_status {
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FDT_STATUS_OKAY,
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FDT_STATUS_DISABLED,
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FDT_STATUS_FAIL,
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FDT_STATUS_FAIL_ERROR_CODE,
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};
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int fdt_set_node_status(void *fdt, int nodeoffset,
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enum fdt_status status, unsigned int error_code);
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static inline int fdt_status_okay(void *fdt, int nodeoffset)
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{
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return fdt_set_node_status(fdt, nodeoffset, FDT_STATUS_OKAY, 0);
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}
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static inline int fdt_status_disabled(void *fdt, int nodeoffset)
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{
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return fdt_set_node_status(fdt, nodeoffset, FDT_STATUS_DISABLED, 0);
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}
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static inline int fdt_status_fail(void *fdt, int nodeoffset)
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{
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return fdt_set_node_status(fdt, nodeoffset, FDT_STATUS_FAIL, 0);
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}
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int fdt_set_status_by_alias(void *fdt, const char *alias,
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enum fdt_status status, unsigned int error_code);
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static inline int fdt_status_okay_by_alias(void *fdt, const char *alias)
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{
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return fdt_set_status_by_alias(fdt, alias, FDT_STATUS_OKAY, 0);
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}
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static inline int fdt_status_disabled_by_alias(void *fdt, const char *alias)
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{
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return fdt_set_status_by_alias(fdt, alias, FDT_STATUS_DISABLED, 0);
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}
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static inline int fdt_status_fail_by_alias(void *fdt, const char *alias)
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{
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return fdt_set_status_by_alias(fdt, alias, FDT_STATUS_FAIL, 0);
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}
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/* Helper to read a big number; size is in cells (not bytes) */
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static inline u64 of_read_number(const fdt32_t *cell, int size)
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{
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u64 r = 0;
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while (size--)
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r = (r << 32) | fdt32_to_cpu(*(cell++));
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return r;
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}
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void of_bus_default_count_cells(void *blob, int parentoffset,
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int *addrc, int *sizec);
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int ft_verify_fdt(void *fdt);
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int arch_fixup_memory_node(void *blob);
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int fdt_setup_simplefb_node(void *fdt, int node, u64 base_address, u32 width,
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u32 height, u32 stride, const char *format);
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#endif /* ifdef CONFIG_OF_LIBFDT */
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#ifdef USE_HOSTCC
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int fdtdec_get_int(const void *blob, int node, const char *prop_name,
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int default_val);
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#endif
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#endif /* ifndef __FDT_SUPPORT_H */
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