1 /* 2 * (C) Copyright 2007 3 * Gerald Van Baren, Custom IDEAS, vanbaren@cideas.com 4 * 5 * See file CREDITS for list of people who contributed to this 6 * project. 7 * 8 * This program is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU General Public License as 10 * published by the Free Software Foundation; either version 2 of 11 * the License, or (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 21 * MA 02111-1307 USA 22 */ 23 24 #ifndef __FDT_SUPPORT_H 25 #define __FDT_SUPPORT_H 26 27 #ifdef CONFIG_OF_LIBFDT 28 29 #include <libfdt.h> 30 31 u32 fdt_getprop_u32_default(const void *fdt, const char *path, 32 const char *prop, const u32 dflt); 33 int fdt_chosen(void *fdt, int force); 34 int fdt_initrd(void *fdt, ulong initrd_start, ulong initrd_end, int force); 35 void do_fixup_by_path(void *fdt, const char *path, const char *prop, 36 const void *val, int len, int create); 37 void do_fixup_by_path_u32(void *fdt, const char *path, const char *prop, 38 u32 val, int create); 39 40 static inline void do_fixup_by_path_string(void *fdt, const char *path, 41 const char *prop, const char *status) 42 { 43 do_fixup_by_path(fdt, path, prop, status, strlen(status) + 1, 1); 44 } 45 46 void do_fixup_by_prop(void *fdt, 47 const char *pname, const void *pval, int plen, 48 const char *prop, const void *val, int len, 49 int create); 50 void do_fixup_by_prop_u32(void *fdt, 51 const char *pname, const void *pval, int plen, 52 const char *prop, u32 val, int create); 53 void do_fixup_by_compat(void *fdt, const char *compat, 54 const char *prop, const void *val, int len, int create); 55 void do_fixup_by_compat_u32(void *fdt, const char *compat, 56 const char *prop, u32 val, int create); 57 int fdt_fixup_memory(void *blob, u64 start, u64 size); 58 int fdt_fixup_memory_banks(void *blob, u64 start[], u64 size[], int banks); 59 void fdt_fixup_ethernet(void *fdt); 60 int fdt_find_and_setprop(void *fdt, const char *node, const char *prop, 61 const void *val, int len, int create); 62 void fdt_fixup_qe_firmware(void *fdt); 63 64 #if defined(CONFIG_HAS_FSL_DR_USB) || defined(CONFIG_HAS_FSL_MPH_USB) 65 void fdt_fixup_dr_usb(void *blob, bd_t *bd); 66 #else 67 static inline void fdt_fixup_dr_usb(void *blob, bd_t *bd) {} 68 #endif /* defined(CONFIG_HAS_FSL_DR_USB) || defined(CONFIG_HAS_FSL_MPH_USB) */ 69 70 #if defined(CONFIG_SYS_FSL_SEC_COMPAT) 71 void fdt_fixup_crypto_node(void *blob, int sec_rev); 72 #else 73 static inline void fdt_fixup_crypto_node(void *blob, int sec_rev) {} 74 #endif 75 76 #ifdef CONFIG_PCI 77 #include <pci.h> 78 int fdt_pci_dma_ranges(void *blob, int phb_off, struct pci_controller *hose); 79 #endif 80 81 void ft_board_setup(void *blob, bd_t *bd); 82 void ft_cpu_setup(void *blob, bd_t *bd); 83 void ft_pci_setup(void *blob, bd_t *bd); 84 85 void set_working_fdt_addr(void *addr); 86 int fdt_resize(void *blob); 87 int fdt_increase_size(void *fdt, int add_len); 88 89 int fdt_fixup_nor_flash_size(void *blob); 90 91 void fdt_fixup_mtdparts(void *fdt, void *node_info, int node_info_size); 92 void fdt_del_node_and_alias(void *blob, const char *alias); 93 u64 fdt_translate_address(void *blob, int node_offset, const __be32 *in_addr); 94 int fdt_node_offset_by_compat_reg(void *blob, const char *compat, 95 phys_addr_t compat_off); 96 int fdt_alloc_phandle(void *blob); 97 int fdt_set_phandle(void *fdt, int nodeoffset, uint32_t phandle); 98 unsigned int fdt_create_phandle(void *fdt, int nodeoffset); 99 int fdt_add_edid(void *blob, const char *compat, unsigned char *buf); 100 101 int fdt_verify_alias_address(void *fdt, int anode, const char *alias, 102 u64 addr); 103 u64 fdt_get_base_address(void *fdt, int node); 104 105 enum fdt_status { 106 FDT_STATUS_OKAY, 107 FDT_STATUS_DISABLED, 108 FDT_STATUS_FAIL, 109 FDT_STATUS_FAIL_ERROR_CODE, 110 }; 111 int fdt_set_node_status(void *fdt, int nodeoffset, 112 enum fdt_status status, unsigned int error_code); 113 static inline int fdt_status_okay(void *fdt, int nodeoffset) 114 { 115 return fdt_set_node_status(fdt, nodeoffset, FDT_STATUS_OKAY, 0); 116 } 117 static inline int fdt_status_disabled(void *fdt, int nodeoffset) 118 { 119 return fdt_set_node_status(fdt, nodeoffset, FDT_STATUS_DISABLED, 0); 120 } 121 122 int fdt_set_status_by_alias(void *fdt, const char* alias, 123 enum fdt_status status, unsigned int error_code); 124 static inline int fdt_status_okay_by_alias(void *fdt, const char* alias) 125 { 126 return fdt_set_status_by_alias(fdt, alias, FDT_STATUS_OKAY, 0); 127 } 128 static inline int fdt_status_disabled_by_alias(void *fdt, const char* alias) 129 { 130 return fdt_set_status_by_alias(fdt, alias, FDT_STATUS_DISABLED, 0); 131 } 132 133 #endif /* ifdef CONFIG_OF_LIBFDT */ 134 #endif /* ifndef __FDT_SUPPORT_H */ 135