X-Git-Url: https://git.kernelconcepts.de/?a=blobdiff_plain;f=include%2Ffdt_support.h;h=1f19fe4c9622a84c365f500ff80b2b72bb61baf1;hb=f2ffe7da7fcc266f8c9cb557031066cfd5eb2a03;hp=cef3c6509d129b2dda20db93f358b48b96723a4b;hpb=07e12784966c1d61b07861e6971fb8750a2ecc0c;p=karo-tx-uboot.git diff --git a/include/fdt_support.h b/include/fdt_support.h index cef3c6509d..1f19fe4c96 100644 --- a/include/fdt_support.h +++ b/include/fdt_support.h @@ -2,23 +2,7 @@ * (C) Copyright 2007 * Gerald Van Baren, Custom IDEAS, vanbaren@cideas.com * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA + * SPDX-License-Identifier: GPL-2.0+ */ #ifndef __FDT_SUPPORT_H @@ -26,12 +10,14 @@ #ifdef CONFIG_OF_LIBFDT -#include +#include +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, const char *prop, const u32 dflt); -int fdt_chosen(void *fdt, int force); -int fdt_initrd(void *fdt, ulong initrd_start, ulong initrd_end, int force); +int fdt_chosen(void *fdt); +int fdt_initrd(void *fdt, ulong initrd_start, ulong initrd_end); void do_fixup_by_path(void *fdt, const char *path, const char *prop, const void *val, int len, int create); void do_fixup_by_path_u32(void *fdt, const char *path, const char *prop, @@ -61,11 +47,11 @@ 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); -#ifdef CONFIG_HAS_FSL_DR_USB +#if defined(CONFIG_HAS_FSL_DR_USB) || defined(CONFIG_HAS_FSL_MPH_USB) void fdt_fixup_dr_usb(void *blob, bd_t *bd); #else static inline void fdt_fixup_dr_usb(void *blob, bd_t *bd) {} -#endif /* CONFIG_HAS_FSL_DR_USB */ +#endif /* defined(CONFIG_HAS_FSL_DR_USB) || defined(CONFIG_HAS_FSL_MPH_USB) */ #if defined(CONFIG_SYS_FSL_SEC_COMPAT) void fdt_fixup_crypto_node(void *blob, int sec_rev); @@ -78,21 +64,51 @@ 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 -#ifdef CONFIG_OF_BOARD_SETUP -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 + * 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); -#endif + +/** + * 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(void *addr); -int fdt_resize(void *blob); +int fdt_shrink_to_minimum(void *blob); int fdt_increase_size(void *fdt, int add_len); int fdt_fixup_nor_flash_size(void *blob); void fdt_fixup_mtdparts(void *fdt, void *node_info, int node_info_size); void fdt_del_node_and_alias(void *blob, const char *alias); -u64 fdt_translate_address(void *blob, int node_offset, const u32 *in_addr); +u64 fdt_translate_address(void *blob, int node_offset, const __be32 *in_addr); int fdt_node_offset_by_compat_reg(void *blob, const char *compat, phys_addr_t compat_off); int fdt_alloc_phandle(void *blob); @@ -103,6 +119,8 @@ int fdt_add_edid(void *blob, const char *compat, unsigned char *buf); int fdt_verify_alias_address(void *fdt, int anode, const char *alias, u64 addr); u64 fdt_get_base_address(void *fdt, int node); +int fdt_read_range(void *fdt, int node, int n, uint64_t *child_addr, + uint64_t *addr, uint64_t *len); enum fdt_status { FDT_STATUS_OKAY, @@ -120,17 +138,47 @@ 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 */ + +#ifdef USE_HOSTCC +int fdtdec_get_int(const void *blob, int node, const char *prop_name, + int default_val); +#endif #endif /* ifndef __FDT_SUPPORT_H */