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_env.h> 30 #include <fdt.h> 31 32 u32 fdt_getprop_u32_default(const void *fdt, const char *path, 33 const char *prop, const u32 dflt); 34 int fdt_chosen(void *fdt, int force); 35 int fdt_initrd(void *fdt, ulong initrd_start, ulong initrd_end, int force); 36 void do_fixup_by_path(void *fdt, const char *path, const char *prop, 37 const void *val, int len, int create); 38 void do_fixup_by_path_u32(void *fdt, const char *path, const char *prop, 39 u32 val, int create); 40 41 static inline void do_fixup_by_path_string(void *fdt, const char *path, 42 const char *prop, const char *status) 43 { 44 do_fixup_by_path(fdt, path, prop, status, strlen(status) + 1, 1); 45 } 46 47 void do_fixup_by_prop(void *fdt, 48 const char *pname, const void *pval, int plen, 49 const char *prop, const void *val, int len, 50 int create); 51 void do_fixup_by_prop_u32(void *fdt, 52 const char *pname, const void *pval, int plen, 53 const char *prop, u32 val, int create); 54 void do_fixup_by_compat(void *fdt, const char *compat, 55 const char *prop, const void *val, int len, int create); 56 void do_fixup_by_compat_u32(void *fdt, const char *compat, 57 const char *prop, u32 val, int create); 58 int fdt_fixup_memory(void *blob, u64 start, u64 size); 59 int fdt_fixup_memory_banks(void *blob, u64 start[], u64 size[], int banks); 60 void fdt_fixup_ethernet(void *fdt); 61 int fdt_find_and_setprop(void *fdt, const char *node, const char *prop, 62 const void *val, int len, int create); 63 void fdt_fixup_qe_firmware(void *fdt); 64 65 #if defined(CONFIG_HAS_FSL_DR_USB) || defined(CONFIG_HAS_FSL_MPH_USB) 66 void fdt_fixup_dr_usb(void *blob, bd_t *bd); 67 #else 68 static inline void fdt_fixup_dr_usb(void *blob, bd_t *bd) {} 69 #endif /* defined(CONFIG_HAS_FSL_DR_USB) || defined(CONFIG_HAS_FSL_MPH_USB) */ 70 71 #if defined(CONFIG_SYS_FSL_SEC_COMPAT) 72 void fdt_fixup_crypto_node(void *blob, int sec_rev); 73 #else 74 static inline void fdt_fixup_crypto_node(void *blob, int sec_rev) {} 75 #endif 76 77 #ifdef CONFIG_PCI 78 #include <pci.h> 79 int fdt_pci_dma_ranges(void *blob, int phb_off, struct pci_controller *hose); 80 #endif 81 82 #ifdef CONFIG_OF_BOARD_SETUP 83 void ft_board_setup(void *blob, bd_t *bd); 84 void ft_cpu_setup(void *blob, bd_t *bd); 85 void ft_pci_setup(void *blob, bd_t *bd); 86 #endif 87 88 void set_working_fdt_addr(void *addr); 89 int fdt_resize(void *blob); 90 int fdt_increase_size(void *fdt, int add_len); 91 92 int fdt_fixup_nor_flash_size(void *blob); 93 94 void fdt_fixup_mtdparts(void *fdt, void *node_info, int node_info_size); 95 void fdt_del_node_and_alias(void *blob, const char *alias); 96 u64 fdt_translate_address(void *blob, int node_offset, const u32 *in_addr); 97 int fdt_node_offset_by_compat_reg(void *blob, const char *compat, 98 phys_addr_t compat_off); 99 int fdt_alloc_phandle(void *blob); 100 int fdt_set_phandle(void *fdt, int nodeoffset, uint32_t phandle); 101 unsigned int fdt_create_phandle(void *fdt, int nodeoffset); 102 int fdt_add_edid(void *blob, const char *compat, unsigned char *buf); 103 104 int fdt_verify_alias_address(void *fdt, int anode, const char *alias, 105 u64 addr); 106 u64 fdt_get_base_address(void *fdt, int node); 107 108 enum fdt_status { 109 FDT_STATUS_OKAY, 110 FDT_STATUS_DISABLED, 111 FDT_STATUS_FAIL, 112 FDT_STATUS_FAIL_ERROR_CODE, 113 }; 114 int fdt_set_node_status(void *fdt, int nodeoffset, 115 enum fdt_status status, unsigned int error_code); 116 static inline int fdt_status_okay(void *fdt, int nodeoffset) 117 { 118 return fdt_set_node_status(fdt, nodeoffset, FDT_STATUS_OKAY, 0); 119 } 120 static inline int fdt_status_disabled(void *fdt, int nodeoffset) 121 { 122 return fdt_set_node_status(fdt, nodeoffset, FDT_STATUS_DISABLED, 0); 123 } 124 125 int fdt_set_status_by_alias(void *fdt, const char* alias, 126 enum fdt_status status, unsigned int error_code); 127 static inline int fdt_status_okay_by_alias(void *fdt, const char* alias) 128 { 129 return fdt_set_status_by_alias(fdt, alias, FDT_STATUS_OKAY, 0); 130 } 131 static inline int fdt_status_disabled_by_alias(void *fdt, const char* alias) 132 { 133 return fdt_set_status_by_alias(fdt, alias, FDT_STATUS_DISABLED, 0); 134 } 135 136 #endif /* ifdef CONFIG_OF_LIBFDT */ 137 #endif /* ifndef __FDT_SUPPORT_H */ 138