include/fdtdec.h

   1 /*
   2  * Copyright (c) 2011 The Chromium OS Authors.
   3  * SPDX-License-Identifier:     GPL-2.0+
   4  */
   5
   6 #ifndef __fdtdec_h
   7 #define __fdtdec_h
   8
   9 /*
  10  * This file contains convenience functions for decoding useful and
  11  * enlightening information from FDTs. It is intended to be used by device
  12  * drivers and board-specific code within U-Boot. It aims to reduce the
  13  * amount of FDT munging required within U-Boot itself, so that driver code
  14  * changes to support FDT are minimized.
  15  */
  16
  17 #include <libfdt.h>
  18
  19 /*
  20  * A typedef for a physical address. Note that fdt data is always big
  21  * endian even on a litle endian machine.
  22  */
  23 #ifdef CONFIG_PHYS_64BIT
  24 typedef u64 fdt_addr_t;
  25 typedef u64 fdt_size_t;
  26 #define FDT_ADDR_T_NONE (-1ULL)
  27 #define fdt_addr_to_cpu(reg) be64_to_cpu(reg)
  28 #define fdt_size_to_cpu(reg) be64_to_cpu(reg)
  29 #else
  30 typedef u32 fdt_addr_t;
  31 typedef u32 fdt_size_t;
  32 #define FDT_ADDR_T_NONE (-1U)
  33 #define fdt_addr_to_cpu(reg) be32_to_cpu(reg)
  34 #define fdt_size_to_cpu(reg) be32_to_cpu(reg)
  35 #endif
  36
  37 /* Information obtained about memory from the FDT */
  38 struct fdt_memory {
  39         fdt_addr_t start;
  40         fdt_addr_t end;
  41 };
  42
  43 /**
  44  * Compat types that we know about and for which we might have drivers.
  45  * Each is named COMPAT_<dir>_<filename> where <dir> is the directory
  46  * within drivers.
  47  */
  48 enum fdt_compat_id {
  49         COMPAT_UNKNOWN,
  50         COMPAT_NVIDIA_TEGRA20_USB,      /* Tegra20 USB port */
  51         COMPAT_NVIDIA_TEGRA30_USB,      /* Tegra30 USB port */
  52         COMPAT_NVIDIA_TEGRA114_USB,     /* Tegra114 USB port */
  53         COMPAT_NVIDIA_TEGRA114_I2C,     /* Tegra114 I2C w/single clock source */
  54         COMPAT_NVIDIA_TEGRA20_I2C,      /* Tegra20 i2c */
  55         COMPAT_NVIDIA_TEGRA20_DVC,      /* Tegra20 dvc (really just i2c) */
  56         COMPAT_NVIDIA_TEGRA20_EMC,      /* Tegra20 memory controller */
  57         COMPAT_NVIDIA_TEGRA20_EMC_TABLE, /* Tegra20 memory timing table */
  58         COMPAT_NVIDIA_TEGRA20_KBC,      /* Tegra20 Keyboard */
  59         COMPAT_NVIDIA_TEGRA20_NAND,     /* Tegra2 NAND controller */
  60         COMPAT_NVIDIA_TEGRA20_PWM,      /* Tegra 2 PWM controller */
  61         COMPAT_NVIDIA_TEGRA20_DC,       /* Tegra 2 Display controller */
  62         COMPAT_NVIDIA_TEGRA124_SDMMC,   /* Tegra124 SDMMC controller */
  63         COMPAT_NVIDIA_TEGRA30_SDMMC,    /* Tegra30 SDMMC controller */
  64         COMPAT_NVIDIA_TEGRA20_SDMMC,    /* Tegra20 SDMMC controller */
  65         COMPAT_NVIDIA_TEGRA20_SFLASH,   /* Tegra 2 SPI flash controller */
  66         COMPAT_NVIDIA_TEGRA20_SLINK,    /* Tegra 2 SPI SLINK controller */
  67         COMPAT_NVIDIA_TEGRA114_SPI,     /* Tegra 114 SPI controller */
  68         COMPAT_SMSC_LAN9215,            /* SMSC 10/100 Ethernet LAN9215 */
  69         COMPAT_SAMSUNG_EXYNOS5_SROMC,   /* Exynos5 SROMC */
  70         COMPAT_SAMSUNG_S3C2440_I2C,     /* Exynos I2C Controller */
  71         COMPAT_SAMSUNG_EXYNOS5_SOUND,   /* Exynos Sound */
  72         COMPAT_WOLFSON_WM8994_CODEC,    /* Wolfson WM8994 Sound Codec */
  73         COMPAT_SAMSUNG_EXYNOS_SPI,      /* Exynos SPI */
  74         COMPAT_GOOGLE_CROS_EC,          /* Google CROS_EC Protocol */
  75         COMPAT_GOOGLE_CROS_EC_KEYB,     /* Google CROS_EC Keyboard */
  76         COMPAT_SAMSUNG_EXYNOS_EHCI,     /* Exynos EHCI controller */
  77         COMPAT_SAMSUNG_EXYNOS5_XHCI,    /* Exynos5 XHCI controller */
  78         COMPAT_SAMSUNG_EXYNOS_USB_PHY,  /* Exynos phy controller for usb2.0 */
  79         COMPAT_SAMSUNG_EXYNOS5_USB3_PHY,/* Exynos phy controller for usb3.0 */
  80         COMPAT_SAMSUNG_EXYNOS_TMU,      /* Exynos TMU */
  81         COMPAT_SAMSUNG_EXYNOS_FIMD,     /* Exynos Display controller */
  82         COMPAT_SAMSUNG_EXYNOS_MIPI_DSI, /* Exynos mipi dsi */
  83         COMPAT_SAMSUNG_EXYNOS5_DP,      /* Exynos Display port controller */
  84         COMPAT_SAMSUNG_EXYNOS_DWMMC,    /* Exynos DWMMC controller */
  85         COMPAT_SAMSUNG_EXYNOS_MMC,      /* Exynos MMC controller */
  86         COMPAT_SAMSUNG_EXYNOS_SERIAL,   /* Exynos UART */
  87         COMPAT_MAXIM_MAX77686_PMIC,     /* MAX77686 PMIC */
  88         COMPAT_GENERIC_SPI_FLASH,       /* Generic SPI Flash chip */
  89         COMPAT_MAXIM_98095_CODEC,       /* MAX98095 Codec */
  90         COMPAT_INFINEON_SLB9635_TPM,    /* Infineon SLB9635 TPM */
  91         COMPAT_INFINEON_SLB9645_TPM,    /* Infineon SLB9645 TPM */
  92         COMPAT_SAMSUNG_EXYNOS5_I2C,     /* Exynos5 High Speed I2C Controller */
  93         COMPAT_SANDBOX_HOST_EMULATION,  /* Sandbox emulation of a function */
  94         COMPAT_SANDBOX_LCD_SDL,         /* Sandbox LCD emulation with SDL */
  95
  96         COMPAT_COUNT,
  97 };
  98
  99 /* GPIOs are numbered from 0 */
 100 enum {
 101         FDT_GPIO_NONE = -1U,    /* an invalid GPIO used to end our list */
 102
 103         FDT_GPIO_ACTIVE_LOW = 1 << 0,   /* input is active low (else high) */
 104 };
 105
 106 /* This is the state of a GPIO pin as defined by the fdt */
 107 struct fdt_gpio_state {
 108         const char *name;       /* name of the fdt property defining this */
 109         uint gpio;              /* GPIO number, or FDT_GPIO_NONE if none */
 110         u8 flags;               /* FDT_GPIO_... flags */
 111 };
 112
 113 /* This tells us whether a fdt_gpio_state record is valid or not */
 114 #define fdt_gpio_isvalid(x) ((x)->gpio != FDT_GPIO_NONE)
 115
 116 /**
 117  * Read the GPIO taking into account the polarity of the pin.
 118  *
 119  * @param gpio          pointer to the decoded gpio
 120  * @return value of the gpio if successful, < 0 if unsuccessful
 121  */
 122 int fdtdec_get_gpio(struct fdt_gpio_state *gpio);
 123
 124 /**
 125  * Write the GPIO taking into account the polarity of the pin.
 126  *
 127  * @param gpio          pointer to the decoded gpio
 128  * @return 0 if successful
 129  */
 130 int fdtdec_set_gpio(struct fdt_gpio_state *gpio, int val);
 131
 132 /**
 133  * Find the next numbered alias for a peripheral. This is used to enumerate
 134  * all the peripherals of a certain type.
 135  *
 136  * Do the first call with *upto = 0. Assuming /aliases/<name>0 exists then
 137  * this function will return a pointer to the node the alias points to, and
 138  * then update *upto to 1. Next time you call this function, the next node
 139  * will be returned.
 140  *
 141  * All nodes returned will match the compatible ID, as it is assumed that
 142  * all peripherals use the same driver.
 143  *
 144  * @param blob          FDT blob to use
 145  * @param name          Root name of alias to search for
 146  * @param id            Compatible ID to look for
 147  * @return offset of next compatible node, or -FDT_ERR_NOTFOUND if no more
 148  */
 149 int fdtdec_next_alias(const void *blob, const char *name,
 150                 enum fdt_compat_id id, int *upto);
 151
 152 /**
 153  * Find the compatible ID for a given node.
 154  *
 155  * Generally each node has at least one compatible string attached to it.
 156  * This function looks through our list of known compatible strings and
 157  * returns the corresponding ID which matches the compatible string.
 158  *
 159  * @param blob          FDT blob to use
 160  * @param node          Node containing compatible string to find
 161  * @return compatible ID, or COMPAT_UNKNOWN if we cannot find a match
 162  */
 163 enum fdt_compat_id fdtdec_lookup(const void *blob, int node);
 164
 165 /**
 166  * Find the next compatible node for a peripheral.
 167  *
 168  * Do the first call with node = 0. This function will return a pointer to
 169  * the next compatible node. Next time you call this function, pass the
 170  * value returned, and the next node will be provided.
 171  *
 172  * @param blob          FDT blob to use
 173  * @param node          Start node for search
 174  * @param id            Compatible ID to look for (enum fdt_compat_id)
 175  * @return offset of next compatible node, or -FDT_ERR_NOTFOUND if no more
 176  */
 177 int fdtdec_next_compatible(const void *blob, int node,
 178                 enum fdt_compat_id id);
 179
 180 /**
 181  * Find the next compatible subnode for a peripheral.
 182  *
 183  * Do the first call with node set to the parent and depth = 0. This
 184  * function will return the offset of the next compatible node. Next time
 185  * you call this function, pass the node value returned last time, with
 186  * depth unchanged, and the next node will be provided.
 187  *
 188  * @param blob          FDT blob to use
 189  * @param node          Start node for search
 190  * @param id            Compatible ID to look for (enum fdt_compat_id)
 191  * @param depthp        Current depth (set to 0 before first call)
 192  * @return offset of next compatible node, or -FDT_ERR_NOTFOUND if no more
 193  */
 194 int fdtdec_next_compatible_subnode(const void *blob, int node,
 195                 enum fdt_compat_id id, int *depthp);
 196
 197 /**
 198  * Look up an address property in a node and return it as an address.
 199  * The property must hold either one address with no trailing data or
 200  * one address with a length. This is only tested on 32-bit machines.
 201  *
 202  * @param blob  FDT blob
 203  * @param node  node to examine
 204  * @param prop_name     name of property to find
 205  * @return address, if found, or FDT_ADDR_T_NONE if not
 206  */
 207 fdt_addr_t fdtdec_get_addr(const void *blob, int node,
 208                 const char *prop_name);
 209
 210 /**
 211  * Look up an address property in a node and return it as an address.
 212  * The property must hold one address with a length. This is only tested
 213  * on 32-bit machines.
 214  *
 215  * @param blob  FDT blob
 216  * @param node  node to examine
 217  * @param prop_name     name of property to find
 218  * @return address, if found, or FDT_ADDR_T_NONE if not
 219  */
 220 fdt_addr_t fdtdec_get_addr_size(const void *blob, int node,
 221                 const char *prop_name, fdt_size_t *sizep);
 222
 223 /**
 224  * Look up a 32-bit integer property in a node and return it. The property
 225  * must have at least 4 bytes of data. The value of the first cell is
 226  * returned.
 227  *
 228  * @param blob  FDT blob
 229  * @param node  node to examine
 230  * @param prop_name     name of property to find
 231  * @param default_val   default value to return if the property is not found
 232  * @return integer value, if found, or default_val if not
 233  */
 234 s32 fdtdec_get_int(const void *blob, int node, const char *prop_name,
 235                 s32 default_val);
 236
 237 /**
 238  * Look up a 64-bit integer property in a node and return it. The property
 239  * must have at least 8 bytes of data (2 cells). The first two cells are
 240  * concatenated to form a 8 bytes value, where the first cell is top half and
 241  * the second cell is bottom half.
 242  *
 243  * @param blob  FDT blob
 244  * @param node  node to examine
 245  * @param prop_name     name of property to find
 246  * @param default_val   default value to return if the property is not found
 247  * @return integer value, if found, or default_val if not
 248  */
 249 uint64_t fdtdec_get_uint64(const void *blob, int node, const char *prop_name,
 250                 uint64_t default_val);
 251
 252 /**
 253  * Checks whether a node is enabled.
 254  * This looks for a 'status' property. If this exists, then returns 1 if
 255  * the status is 'ok' and 0 otherwise. If there is no status property,
 256  * it returns 1 on the assumption that anything mentioned should be enabled
 257  * by default.
 258  *
 259  * @param blob  FDT blob
 260  * @param node  node to examine
 261  * @return integer value 0 (not enabled) or 1 (enabled)
 262  */
 263 int fdtdec_get_is_enabled(const void *blob, int node);
 264
 265 /**
 266  * Make sure we have a valid fdt available to control U-Boot.
 267  *
 268  * If not, a message is printed to the console if the console is ready.
 269  *
 270  * @return 0 if all ok, -1 if not
 271  */
 272 int fdtdec_prepare_fdt(void);
 273
 274 /**
 275  * Checks that we have a valid fdt available to control U-Boot.
 276
 277  * However, if not then for the moment nothing is done, since this function
 278  * is called too early to panic().
 279  *
 280  * @returns 0
 281  */
 282 int fdtdec_check_fdt(void);
 283
 284 /**
 285  * Find the nodes for a peripheral and return a list of them in the correct
 286  * order. This is used to enumerate all the peripherals of a certain type.
 287  *
 288  * To use this, optionally set up a /aliases node with alias properties for
 289  * a peripheral. For example, for usb you could have:
 290  *
 291  * aliases {
 292  *              usb0 = "/ehci@c5008000";
 293  *              usb1 = "/ehci@c5000000";
 294  * };
 295  *
 296  * Pass "usb" as the name to this function and will return a list of two
 297  * nodes offsets: /ehci@c5008000 and ehci@c5000000.
 298  *
 299  * All nodes returned will match the compatible ID, as it is assumed that
 300  * all peripherals use the same driver.
 301  *
 302  * If no alias node is found, then the node list will be returned in the
 303  * order found in the fdt. If the aliases mention a node which doesn't
 304  * exist, then this will be ignored. If nodes are found with no aliases,
 305  * they will be added in any order.
 306  *
 307  * If there is a gap in the aliases, then this function return a 0 node at
 308  * that position. The return value will also count these gaps.
 309  *
 310  * This function checks node properties and will not return nodes which are
 311  * marked disabled (status = "disabled").
 312  *
 313  * @param blob          FDT blob to use
 314  * @param name          Root name of alias to search for
 315  * @param id            Compatible ID to look for
 316  * @param node_list     Place to put list of found nodes
 317  * @param maxcount      Maximum number of nodes to find
 318  * @return number of nodes found on success, FTD_ERR_... on error
 319  */
 320 int fdtdec_find_aliases_for_id(const void *blob, const char *name,
 321                         enum fdt_compat_id id, int *node_list, int maxcount);
 322
 323 /*
 324  * This function is similar to fdtdec_find_aliases_for_id() except that it
 325  * adds to the node_list that is passed in. Any 0 elements are considered
 326  * available for allocation - others are considered already used and are
 327  * skipped.
 328  *
 329  * You can use this by calling fdtdec_find_aliases_for_id() with an
 330  * uninitialised array, then setting the elements that are returned to -1,
 331  * say, then calling this function, perhaps with a different compat id.
 332  * Any elements you get back that are >0 are new nodes added by the call
 333  * to this function.
 334  *
 335  * Note that if you have some nodes with aliases and some without, you are
 336  * sailing close to the wind. The call to fdtdec_find_aliases_for_id() with
 337  * one compat_id may fill in positions for which you have aliases defined
 338  * for another compat_id. When you later call *this* function with the second
 339  * compat_id, the alias positions may already be used. A debug warning may
 340  * be generated in this case, but it is safest to define aliases for all
 341  * nodes when you care about the ordering.
 342  */
 343 int fdtdec_add_aliases_for_id(const void *blob, const char *name,
 344                         enum fdt_compat_id id, int *node_list, int maxcount);
 345
 346 /*
 347  * Get the name for a compatible ID
 348  *
 349  * @param id            Compatible ID to look for
 350  * @return compatible string for that id
 351  */
 352 const char *fdtdec_get_compatible(enum fdt_compat_id id);
 353
 354 /* Look up a phandle and follow it to its node. Then return the offset
 355  * of that node.
 356  *
 357  * @param blob          FDT blob
 358  * @param node          node to examine
 359  * @param prop_name     name of property to find
 360  * @return node offset if found, -ve error code on error
 361  */
 362 int fdtdec_lookup_phandle(const void *blob, int node, const char *prop_name);
 363
 364 /**
 365  * Look up a property in a node and return its contents in an integer
 366  * array of given length. The property must have at least enough data for
 367  * the array (4*count bytes). It may have more, but this will be ignored.
 368  *
 369  * @param blob          FDT blob
 370  * @param node          node to examine
 371  * @param prop_name     name of property to find
 372  * @param array         array to fill with data
 373  * @param count         number of array elements
 374  * @return 0 if ok, or -FDT_ERR_NOTFOUND if the property is not found,
 375  *              or -FDT_ERR_BADLAYOUT if not enough data
 376  */
 377 int fdtdec_get_int_array(const void *blob, int node, const char *prop_name,
 378                 u32 *array, int count);
 379
 380 /**
 381  * Look up a property in a node and return a pointer to its contents as a
 382  * unsigned int array of given length. The property must have at least enough
 383  * data for the array ('count' cells). It may have more, but this will be
 384  * ignored. The data is not copied.
 385  *
 386  * Note that you must access elements of the array with fdt32_to_cpu(),
 387  * since the elements will be big endian even on a little endian machine.
 388  *
 389  * @param blob          FDT blob
 390  * @param node          node to examine
 391  * @param prop_name     name of property to find
 392  * @param count         number of array elements
 393  * @return pointer to array if found, or NULL if the property is not
 394  *              found or there is not enough data
 395  */
 396 const u32 *fdtdec_locate_array(const void *blob, int node,
 397                                const char *prop_name, int count);
 398
 399 /**
 400  * Look up a boolean property in a node and return it.
 401  *
 402  * A boolean properly is true if present in the device tree and false if not
 403  * present, regardless of its value.
 404  *
 405  * @param blob  FDT blob
 406  * @param node  node to examine
 407  * @param prop_name     name of property to find
 408  * @return 1 if the properly is present; 0 if it isn't present
 409  */
 410 int fdtdec_get_bool(const void *blob, int node, const char *prop_name);
 411
 412 /**
 413  * Decode a single GPIOs from an FDT.
 414  *
 415  * If the property is not found, then the GPIO structure will still be
 416  * initialised, with gpio set to FDT_GPIO_NONE. This makes it easy to
 417  * provide optional GPIOs.
 418  *
 419  * @param blob          FDT blob to use
 420  * @param node          Node to look at
 421  * @param prop_name     Node property name
 422  * @param gpio          gpio elements to fill from FDT
 423  * @return 0 if ok, -FDT_ERR_NOTFOUND if the property is missing.
 424  */
 425 int fdtdec_decode_gpio(const void *blob, int node, const char *prop_name,
 426                 struct fdt_gpio_state *gpio);
 427
 428 /**
 429  * Decode a list of GPIOs from an FDT. This creates a list of GPIOs with no
 430  * terminating item.
 431  *
 432  * @param blob         FDT blob to use
 433  * @param node         Node to look at
 434  * @param prop_name    Node property name
 435  * @param gpio         Array of gpio elements to fill from FDT. This will be
 436  *                     untouched if either 0 or an error is returned
 437  * @param max_count    Maximum number of elements allowed
 438  * @return number of GPIOs read if ok, -FDT_ERR_BADLAYOUT if max_count would
 439  * be exceeded, or -FDT_ERR_NOTFOUND if the property is missing.
 440  */
 441 int fdtdec_decode_gpios(const void *blob, int node, const char *prop_name,
 442                 struct fdt_gpio_state *gpio, int max_count);
 443
 444 /**
 445  * Set up a GPIO pin according to the provided gpio information. At present this
 446  * just requests the GPIO.
 447  *
 448  * If the gpio is FDT_GPIO_NONE, no action is taken. This makes it easy to
 449  * deal with optional GPIOs.
 450  *
 451  * @param gpio          GPIO info to use for set up
 452  * @return 0 if all ok or gpio was FDT_GPIO_NONE; -1 on error
 453  */
 454 int fdtdec_setup_gpio(struct fdt_gpio_state *gpio);
 455
 456 /**
 457  * Look in the FDT for a config item with the given name and return its value
 458  * as a 32-bit integer. The property must have at least 4 bytes of data. The
 459  * value of the first cell is returned.
 460  *
 461  * @param blob          FDT blob to use
 462  * @param prop_name     Node property name
 463  * @param default_val   default value to return if the property is not found
 464  * @return integer value, if found, or default_val if not
 465  */
 466 int fdtdec_get_config_int(const void *blob, const char *prop_name,
 467                 int default_val);
 468
 469 /**
 470  * Look in the FDT for a config item with the given name
 471  * and return whether it exists.
 472  *
 473  * @param blob          FDT blob
 474  * @param prop_name     property name to look up
 475  * @return 1, if it exists, or 0 if not
 476  */
 477 int fdtdec_get_config_bool(const void *blob, const char *prop_name);
 478
 479 /**
 480  * Look in the FDT for a config item with the given name and return its value
 481  * as a string.
 482  *
 483  * @param blob          FDT blob
 484  * @param prop_name     property name to look up
 485  * @returns property string, NULL on error.
 486  */
 487 char *fdtdec_get_config_string(const void *blob, const char *prop_name);
 488
 489 /*
 490  * Look up a property in a node and return its contents in a byte
 491  * array of given length. The property must have at least enough data for
 492  * the array (count bytes). It may have more, but this will be ignored.
 493  *
 494  * @param blob          FDT blob
 495  * @param node          node to examine
 496  * @param prop_name     name of property to find
 497  * @param array         array to fill with data
 498  * @param count         number of array elements
 499  * @return 0 if ok, or -FDT_ERR_MISSING if the property is not found,
 500  *              or -FDT_ERR_BADLAYOUT if not enough data
 501  */
 502 int fdtdec_get_byte_array(const void *blob, int node, const char *prop_name,
 503                 u8 *array, int count);
 504
 505 /**
 506  * Look up a property in a node and return a pointer to its contents as a
 507  * byte array of given length. The property must have at least enough data
 508  * for the array (count bytes). It may have more, but this will be ignored.
 509  * The data is not copied.
 510  *
 511  * @param blob          FDT blob
 512  * @param node          node to examine
 513  * @param prop_name     name of property to find
 514  * @param count         number of array elements
 515  * @return pointer to byte array if found, or NULL if the property is not
 516  *              found or there is not enough data
 517  */
 518 const u8 *fdtdec_locate_byte_array(const void *blob, int node,
 519                              const char *prop_name, int count);
 520
 521 /**
 522  * Look up a property in a node which contains a memory region address and
 523  * size. Then return a pointer to this address.
 524  *
 525  * The property must hold one address with a length. This is only tested on
 526  * 32-bit machines.
 527  *
 528  * @param blob          FDT blob
 529  * @param node          node to examine
 530  * @param prop_name     name of property to find
 531  * @param ptrp          returns pointer to region, or NULL if no address
 532  * @param size          returns size of region
 533  * @return 0 if ok, -1 on error (propery not found)
 534  */
 535 int fdtdec_decode_region(const void *blob, int node,
 536                 const char *prop_name, void **ptrp, size_t *size);
 537
 538 /* A flash map entry, containing an offset and length */
 539 struct fmap_entry {
 540         uint32_t offset;
 541         uint32_t length;
 542 };
 543
 544 /**
 545  * Read a flash entry from the fdt
 546  *
 547  * @param blob          FDT blob
 548  * @param node          Offset of node to read
 549  * @param name          Name of node being read
 550  * @param entry         Place to put offset and size of this node
 551  * @return 0 if ok, -ve on error
 552  */
 553 int fdtdec_read_fmap_entry(const void *blob, int node, const char *name,
 554                            struct fmap_entry *entry);
 555 #endif