diff options
author | Wolfgang Denk <wd@denx.de> | 2008-06-11 20:30:47 (GMT) |
---|---|---|
committer | Wolfgang Denk <wd@denx.de> | 2008-06-11 20:30:47 (GMT) |
commit | cdeb62e20d94005f2e80604fda03b498c3a6f704 (patch) | |
tree | 3a94ce9524267f7d9e3f689e9cf27f22f756065b | |
parent | 1859e42fbf996e0e883cdb9829ef6d260bf4cdd6 (diff) | |
parent | ae9e97fa96f643c8ba2b666b06a026cc8717eb00 (diff) | |
download | u-boot-cdeb62e20d94005f2e80604fda03b498c3a6f704.tar.xz |
Merge branch 'master' of git://www.denx.de/git/u-boot-fdt
-rw-r--r-- | README | 9 | ||||
-rw-r--r-- | board/freescale/mpc7448hpc2/mpc7448hpc2.c | 21 | ||||
-rw-r--r-- | board/tqc/tqm8272/tqm8272.c | 4 | ||||
-rw-r--r-- | common/Makefile | 1 | ||||
-rw-r--r-- | common/cmd_fdt.c | 134 | ||||
-rw-r--r-- | common/fdt_support.c | 5 | ||||
-rw-r--r-- | common/ft_build.c | 471 | ||||
-rw-r--r-- | cpu/74xx_7xx/cpu.c | 35 | ||||
-rw-r--r-- | drivers/pci/tsi108_pci.c | 33 | ||||
-rw-r--r-- | include/configs/mpc7448hpc2.h | 3 | ||||
-rw-r--r-- | include/configs/stxxtc.h | 4 | ||||
-rw-r--r-- | include/ft_build.h | 71 | ||||
-rw-r--r-- | include/libfdt_env.h | 2 | ||||
-rw-r--r-- | lib_ppc/bootm.c | 2 | ||||
-rw-r--r-- | libfdt/fdt.c | 17 | ||||
-rw-r--r-- | libfdt/fdt_ro.c | 26 | ||||
-rw-r--r-- | libfdt/fdt_rw.c | 24 | ||||
-rw-r--r-- | libfdt/fdt_sw.c | 31 | ||||
-rw-r--r-- | libfdt/libfdt_internal.h | 1 |
19 files changed, 161 insertions, 733 deletions
@@ -350,7 +350,7 @@ The following options need to be configured: expect it to be in bytes, others in MB. Define CONFIG_MEMSIZE_IN_BYTES to make it in bytes. - CONFIG_OF_LIBFDT / CONFIG_OF_FLAT_TREE + CONFIG_OF_LIBFDT New kernel versions are expecting firmware settings to be passed using flattened device trees (based on open firmware @@ -361,13 +361,6 @@ The following options need to be configured: * Adds the "fdt" command * The bootm command automatically updates the fdt - CONFIG_OF_FLAT_TREE - * Deprecated, see CONFIG_OF_LIBFDT - * Original ft_build.c-based support - * Automatically modifies the dft as part of the bootm command - * The environment variable "disable_of", when set, - disables this functionality. - OF_CPU - The proper name of the cpus node. OF_SOC - The proper name of the soc node. OF_TBCLK - The timebase frequency. diff --git a/board/freescale/mpc7448hpc2/mpc7448hpc2.c b/board/freescale/mpc7448hpc2/mpc7448hpc2.c index 81846eb..f6cd192 100644 --- a/board/freescale/mpc7448hpc2/mpc7448hpc2.c +++ b/board/freescale/mpc7448hpc2/mpc7448hpc2.c @@ -31,10 +31,7 @@ #include <common.h> #include <74xx_7xx.h> -#if defined(CONFIG_OF_FLAT_TREE) -#include <ft_build.h> -extern void ft_cpu_setup (void *blob, bd_t *bd); -#endif +#include <fdt_support.h> #undef DEBUG @@ -89,19 +86,11 @@ long int initdram (int board_type) return dram_size (board_type); } -#if defined(CONFIG_OF_FLAT_TREE) && defined(CONFIG_OF_BOARD_SETUP) +#if defined(CONFIG_OF_BOARD_SETUP) void -ft_board_setup (void *blob, bd_t *bd) +ft_board_setup(void *blob, bd_t *bd) { - u32 *p; - int len; - - ft_cpu_setup (blob, bd); - - p = ft_get_prop (blob, "/memory/reg", &len); - if (p != NULL) { - *p++ = cpu_to_be32 (bd->bi_memstart); - *p = cpu_to_be32 (bd->bi_memsize); - } + ft_cpu_setup(blob, bd); + fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize); } #endif diff --git a/board/tqc/tqm8272/tqm8272.c b/board/tqc/tqm8272/tqm8272.c index 7bd6401..ec1a37c 100644 --- a/board/tqc/tqm8272/tqm8272.c +++ b/board/tqc/tqm8272/tqm8272.c @@ -30,10 +30,6 @@ #include <pci.h> #include <asm/m8260_pci.h> #endif -#if CONFIG_OF_FLAT_TREE -#include <ft_build.h> -#include <image.h> -#endif #if 0 #define deb_printf(fmt,arg...) \ diff --git a/common/Makefile b/common/Makefile index b425795..4287108 100644 --- a/common/Makefile +++ b/common/Makefile @@ -119,7 +119,6 @@ COBJS-y += env_nowhere.o COBJS-y += exports.o COBJS-y += flash.o COBJS-y += fpga.o -COBJS-y += ft_build.o COBJS-y += hush.o COBJS-y += kgdb.o COBJS-y += lcd.o diff --git a/common/cmd_fdt.c b/common/cmd_fdt.c index ede65ae..97b9dd7 100644 --- a/common/cmd_fdt.c +++ b/common/cmd_fdt.c @@ -46,6 +46,11 @@ static int fdt_parse_prop(char **newval, int count, char *data, int *len); static int fdt_print(const char *pathp, char *prop, int depth); /* + * The working_fdt points to our working flattened device tree. + */ +struct fdt_header *working_fdt; + +/* * Flattened Device Tree command, see the help for parameter definitions. */ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) @@ -62,7 +67,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) /* * Set the address [and length] of the fdt. */ - fdt = (struct fdt_header *)simple_strtoul(argv[2], NULL, 16); + working_fdt = (struct fdt_header *)simple_strtoul(argv[2], NULL, 16); if (!fdt_valid()) { return 1; @@ -75,15 +80,15 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) * Optional new length */ len = simple_strtoul(argv[3], NULL, 16); - if (len < fdt_totalsize(fdt)) { + if (len < fdt_totalsize(working_fdt)) { printf ("New length %d < existing length %d, " "ignoring.\n", - len, fdt_totalsize(fdt)); + len, fdt_totalsize(working_fdt)); } else { /* * Open in place with a new length. */ - err = fdt_open_into(fdt, fdt, len); + err = fdt_open_into(working_fdt, working_fdt, len); if (err != 0) { printf ("libfdt fdt_open_into(): %s\n", fdt_strerror(err)); @@ -92,9 +97,9 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) } /******************************************************************** - * Move the fdt + * Move the working_fdt ********************************************************************/ - } else if ((argv[1][0] == 'm') && (argv[1][1] == 'o')) { + } else if (strncmp(argv[1], "mo", 2) == 0) { struct fdt_header *newaddr; int len; int err; @@ -107,7 +112,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) /* * Set the address and length of the fdt. */ - fdt = (struct fdt_header *)simple_strtoul(argv[2], NULL, 16); + working_fdt = (struct fdt_header *)simple_strtoul(argv[2], NULL, 16); if (!fdt_valid()) { return 1; } @@ -119,13 +124,13 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) * current length. */ if (argc <= 4) { - len = fdt_totalsize(fdt); + len = fdt_totalsize(working_fdt); } else { len = simple_strtoul(argv[4], NULL, 16); - if (len < fdt_totalsize(fdt)) { + if (len < fdt_totalsize(working_fdt)) { printf ("New length 0x%X < existing length " "0x%X, aborting.\n", - len, fdt_totalsize(fdt)); + len, fdt_totalsize(working_fdt)); return 1; } } @@ -133,18 +138,18 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) /* * Copy to the new location. */ - err = fdt_open_into(fdt, newaddr, len); + err = fdt_open_into(working_fdt, newaddr, len); if (err != 0) { printf ("libfdt fdt_open_into(): %s\n", fdt_strerror(err)); return 1; } - fdt = newaddr; + working_fdt = newaddr; /******************************************************************** * Make a new node ********************************************************************/ - } else if ((argv[1][0] == 'm') && (argv[1][1] == 'k')) { + } else if (strncmp(argv[1], "mk", 2) == 0) { char *pathp; /* path */ char *nodep; /* new node to add */ int nodeoffset; /* node offset from libfdt */ @@ -161,7 +166,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) pathp = argv[2]; nodep = argv[3]; - nodeoffset = fdt_path_offset (fdt, pathp); + nodeoffset = fdt_path_offset (working_fdt, pathp); if (nodeoffset < 0) { /* * Not found or something else bad happened. @@ -170,7 +175,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) fdt_strerror(nodeoffset)); return 1; } - err = fdt_add_subnode(fdt, nodeoffset, nodep); + err = fdt_add_subnode(working_fdt, nodeoffset, nodep); if (err < 0) { printf ("libfdt fdt_add_subnode(): %s\n", fdt_strerror(err)); @@ -178,7 +183,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) } /******************************************************************** - * Set the value of a property in the fdt. + * Set the value of a property in the working_fdt. ********************************************************************/ } else if (argv[1][0] == 's') { char *pathp; /* path */ @@ -206,7 +211,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) return ret; } - nodeoffset = fdt_path_offset (fdt, pathp); + nodeoffset = fdt_path_offset (working_fdt, pathp); if (nodeoffset < 0) { /* * Not found or something else bad happened. @@ -216,7 +221,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) return 1; } - ret = fdt_setprop(fdt, nodeoffset, prop, data, len); + ret = fdt_setprop(working_fdt, nodeoffset, prop, data, len); if (ret < 0) { printf ("libfdt fdt_setprop(): %s\n", fdt_strerror(ret)); return 1; @@ -259,7 +264,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) /******************************************************************** * Remove a property/node ********************************************************************/ - } else if ((argv[1][0] == 'r') && (argv[1][1] == 'm')) { + } else if (strncmp(argv[1], "rm", 2) == 0) { int nodeoffset; /* node offset from libfdt */ int err; @@ -267,7 +272,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) * Get the path. The root node is an oddball, the offset * is zero and has no name. */ - nodeoffset = fdt_path_offset (fdt, argv[2]); + nodeoffset = fdt_path_offset (working_fdt, argv[2]); if (nodeoffset < 0) { /* * Not found or something else bad happened. @@ -281,14 +286,14 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) * otherwise delete the node. */ if (argc > 3) { - err = fdt_delprop(fdt, nodeoffset, argv[3]); + err = fdt_delprop(working_fdt, nodeoffset, argv[3]); if (err < 0) { printf("libfdt fdt_delprop(): %s\n", fdt_strerror(err)); return err; } } else { - err = fdt_del_node(fdt, nodeoffset); + err = fdt_del_node(working_fdt, nodeoffset); if (err < 0) { printf("libfdt fdt_del_node(): %s\n", fdt_strerror(err)); @@ -300,38 +305,43 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) * Display header info ********************************************************************/ } else if (argv[1][0] == 'h') { - u32 version = fdt_version(fdt); - printf("magic:\t\t\t0x%x\n", fdt_magic(fdt)); - printf("totalsize:\t\t0x%x (%d)\n", fdt_totalsize(fdt), fdt_totalsize(fdt)); - printf("off_dt_struct:\t\t0x%x\n", fdt_off_dt_struct(fdt)); - printf("off_dt_strings:\t\t0x%x\n", fdt_off_dt_strings(fdt)); - printf("off_mem_rsvmap:\t\t0x%x\n", fdt_off_mem_rsvmap(fdt)); + u32 version = fdt_version(working_fdt); + printf("magic:\t\t\t0x%x\n", fdt_magic(working_fdt)); + printf("totalsize:\t\t0x%x (%d)\n", fdt_totalsize(working_fdt), + fdt_totalsize(working_fdt)); + printf("off_dt_struct:\t\t0x%x\n", + fdt_off_dt_struct(working_fdt)); + printf("off_dt_strings:\t\t0x%x\n", + fdt_off_dt_strings(working_fdt)); + printf("off_mem_rsvmap:\t\t0x%x\n", + fdt_off_mem_rsvmap(working_fdt)); printf("version:\t\t%d\n", version); - printf("last_comp_version:\t%d\n", fdt_last_comp_version(fdt)); + printf("last_comp_version:\t%d\n", + fdt_last_comp_version(working_fdt)); if (version >= 2) printf("boot_cpuid_phys:\t0x%x\n", - fdt_boot_cpuid_phys(fdt)); + fdt_boot_cpuid_phys(working_fdt)); if (version >= 3) printf("size_dt_strings:\t0x%x\n", - fdt_size_dt_strings(fdt)); + fdt_size_dt_strings(working_fdt)); if (version >= 17) printf("size_dt_struct:\t\t0x%x\n", - fdt_size_dt_struct(fdt)); - printf("number mem_rsv:\t\t0x%x\n", fdt_num_mem_rsv(fdt)); + fdt_size_dt_struct(working_fdt)); + printf("number mem_rsv:\t\t0x%x\n", + fdt_num_mem_rsv(working_fdt)); printf("\n"); /******************************************************************** * Set boot cpu id ********************************************************************/ - } else if ((argv[1][0] == 'b') && (argv[1][1] == 'o') && - (argv[1][2] == 'o')) { + } else if (strncmp(argv[1], "boo", 3) == 0) { unsigned long tmp = simple_strtoul(argv[2], NULL, 16); - fdt_set_boot_cpuid_phys(fdt, tmp); + fdt_set_boot_cpuid_phys(working_fdt, tmp); /******************************************************************** * memory command ********************************************************************/ - } else if ((argv[1][0] == 'm') && (argv[1][1] == 'e')) { + } else if (strncmp(argv[1], "me", 2) == 0) { uint64_t addr, size; int err; #ifdef CFG_64BIT_STRTOUL @@ -341,23 +351,23 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) addr = simple_strtoul(argv[2], NULL, 16); size = simple_strtoul(argv[3], NULL, 16); #endif - err = fdt_fixup_memory(fdt, addr, size); + err = fdt_fixup_memory(working_fdt, addr, size); if (err < 0) return err; /******************************************************************** * mem reserve commands ********************************************************************/ - } else if ((argv[1][0] == 'r') && (argv[1][1] == 's')) { + } else if (strncmp(argv[1], "rs", 2) == 0) { if (argv[2][0] == 'p') { uint64_t addr, size; - int total = fdt_num_mem_rsv(fdt); + int total = fdt_num_mem_rsv(working_fdt); int j, err; printf("index\t\t start\t\t size\n"); printf("-------------------------------" "-----------------\n"); for (j = 0; j < total; j++) { - err = fdt_get_mem_rsv(fdt, j, &addr, &size); + err = fdt_get_mem_rsv(working_fdt, j, &addr, &size); if (err < 0) { printf("libfdt fdt_get_mem_rsv(): %s\n", fdt_strerror(err)); @@ -379,7 +389,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) addr = simple_strtoul(argv[3], NULL, 16); size = simple_strtoul(argv[4], NULL, 16); #endif - err = fdt_add_mem_rsv(fdt, addr, size); + err = fdt_add_mem_rsv(working_fdt, addr, size); if (err < 0) { printf("libfdt fdt_add_mem_rsv(): %s\n", @@ -388,7 +398,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) } } else if (argv[2][0] == 'd') { unsigned long idx = simple_strtoul(argv[3], NULL, 16); - int err = fdt_del_mem_rsv(fdt, idx); + int err = fdt_del_mem_rsv(working_fdt, idx); if (err < 0) { printf("libfdt fdt_del_mem_rsv(): %s\n", @@ -403,12 +413,12 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) } #ifdef CONFIG_OF_BOARD_SETUP /* Call the board-specific fixup routine */ - else if (argv[1][0] == 'b') - ft_board_setup(fdt, gd->bd); + else if (strncmp(argv[1], "boa", 3) == 0) + ft_board_setup(working_fdt, gd->bd); #endif /* Create a chosen node */ else if (argv[1][0] == 'c') - fdt_chosen(fdt, 0, 0, 1); + fdt_chosen(working_fdt, 0, 0, 1); else { /* Unrecognized command */ printf ("Usage:\n%s\n", cmdtp->usage); @@ -424,12 +434,12 @@ static int fdt_valid(void) { int err; - if (fdt == NULL) { + if (working_fdt == NULL) { printf ("The address of the fdt is invalid (NULL).\n"); return 0; } - err = fdt_check_header(fdt); + err = fdt_check_header(working_fdt); if (err == 0) return 1; /* valid */ @@ -439,17 +449,19 @@ static int fdt_valid(void) * Be more informative on bad version. */ if (err == -FDT_ERR_BADVERSION) { - if (fdt_version(fdt) < FDT_FIRST_SUPPORTED_VERSION) { + if (fdt_version(working_fdt) < + FDT_FIRST_SUPPORTED_VERSION) { printf (" - too old, fdt $d < %d", - fdt_version(fdt), + fdt_version(working_fdt), FDT_FIRST_SUPPORTED_VERSION); - fdt = NULL; + working_fdt = NULL; } - if (fdt_last_comp_version(fdt) > FDT_LAST_SUPPORTED_VERSION) { + if (fdt_last_comp_version(working_fdt) > + FDT_LAST_SUPPORTED_VERSION) { printf (" - too new, fdt $d > %d", - fdt_version(fdt), + fdt_version(working_fdt), FDT_LAST_SUPPORTED_VERSION); - fdt = NULL; + working_fdt = NULL; } return 0; } @@ -645,7 +657,7 @@ static void print_data(const void *data, int len) /****************************************************************************/ /* - * Recursively print (a portion of) the fdt. The depth parameter + * Recursively print (a portion of) the working_fdt. The depth parameter * determines how deeply nested the fdt is printed. */ static int fdt_print(const char *pathp, char *prop, int depth) @@ -661,7 +673,7 @@ static int fdt_print(const char *pathp, char *prop, int depth) int level = 0; /* keep track of nesting level */ const struct fdt_property *fdt_prop; - nodeoffset = fdt_path_offset (fdt, pathp); + nodeoffset = fdt_path_offset (working_fdt, pathp); if (nodeoffset < 0) { /* * Not found or something else bad happened. @@ -675,7 +687,7 @@ static int fdt_print(const char *pathp, char *prop, int depth) * Print only the given property and then return. */ if (prop) { - nodep = fdt_getprop (fdt, nodeoffset, prop, &len); + nodep = fdt_getprop (working_fdt, nodeoffset, prop, &len); if (len == 0) { /* no property value */ printf("%s %s\n", pathp, prop); @@ -697,10 +709,10 @@ static int fdt_print(const char *pathp, char *prop, int depth) * print the node and all subnodes. */ while(level >= 0) { - tag = fdt_next_tag(fdt, nodeoffset, &nextoffset); + tag = fdt_next_tag(working_fdt, nodeoffset, &nextoffset); switch(tag) { case FDT_BEGIN_NODE: - pathp = fdt_get_name(fdt, nodeoffset, NULL); + pathp = fdt_get_name(working_fdt, nodeoffset, NULL); if (level <= depth) { if (pathp == NULL) pathp = "/* NULL pointer error */"; @@ -724,9 +736,9 @@ static int fdt_print(const char *pathp, char *prop, int depth) } break; case FDT_PROP: - fdt_prop = fdt_offset_ptr(fdt, nodeoffset, + fdt_prop = fdt_offset_ptr(working_fdt, nodeoffset, sizeof(*fdt_prop)); - pathp = fdt_string(fdt, + pathp = fdt_string(working_fdt, fdt32_to_cpu(fdt_prop->nameoff)); len = fdt32_to_cpu(fdt_prop->len); nodep = fdt_prop->data; diff --git a/common/fdt_support.c b/common/fdt_support.c index 7507744..e58b294 100644 --- a/common/fdt_support.c +++ b/common/fdt_support.c @@ -35,11 +35,6 @@ */ DECLARE_GLOBAL_DATA_PTR; -/* - * fdt points to our working device tree. - */ -struct fdt_header *fdt; - /** * fdt_find_and_setprop: Find a node and set it's property diff --git a/common/ft_build.c b/common/ft_build.c deleted file mode 100644 index b951178..0000000 --- a/common/ft_build.c +++ /dev/null @@ -1,471 +0,0 @@ -/* - * OF flat tree builder - * Written by: Pantelis Antoniou <pantelis.antoniou@gmail.com> - * Updated by: Matthew McClintock <msm@freescale.com> - * - * 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 - */ - -#include <common.h> -#include <malloc.h> -#include <environment.h> - -#ifdef CONFIG_OF_FLAT_TREE - -#include <asm/errno.h> -#include <stddef.h> - -#include <ft_build.h> -#include <linux/ctype.h> - -#undef DEBUG - -/* align addr on a size boundary - adjust address up if needed -- Cort */ -#define _ALIGN(addr,size) (((addr)+(size)-1)&(~((size)-1))) -#ifndef CONFIG_OF_BOOT_CPU -#define CONFIG_OF_BOOT_CPU 0 -#endif -#define SIZE_OF_RSVMAP_ENTRY (2*sizeof(u64)) - -static void ft_put_word(struct ft_cxt *cxt, u32 v) -{ - memmove(cxt->p + sizeof(u32), cxt->p, cxt->p_end - cxt->p); - - *(u32 *) cxt->p = cpu_to_be32(v); - cxt->p += sizeof(u32); - cxt->p_end += sizeof(u32); -} - -static inline void ft_put_bin(struct ft_cxt *cxt, const void *data, int sz) -{ - int aligned_size = ((u8 *)_ALIGN((unsigned long)cxt->p + sz, - sizeof(u32))) - cxt->p; - - memmove(cxt->p + aligned_size, cxt->p, cxt->p_end - cxt->p); - - /* make sure the last bytes are zeroed */ - memset(cxt->p + aligned_size - (aligned_size % sizeof(u32)), 0, - (aligned_size % sizeof(u32))); - - memcpy(cxt->p, data, sz); - - cxt->p += aligned_size; - cxt->p_end += aligned_size; -} - -void ft_begin_node(struct ft_cxt *cxt, const char *name) -{ - ft_put_word(cxt, OF_DT_BEGIN_NODE); - ft_put_bin(cxt, name, strlen(name) + 1); -} - -void ft_end_node(struct ft_cxt *cxt) -{ - ft_put_word(cxt, OF_DT_END_NODE); -} - -void ft_nop(struct ft_cxt *cxt) -{ - ft_put_word(cxt, OF_DT_NOP); -} - -static int lookup_string(struct ft_cxt *cxt, const char *name) -{ - u8 *p; - - p = cxt->p; - while (p < cxt->p_end) { - if (strcmp((char *)p, name) == 0) - return p - cxt->p; - p += strlen((char *)p) + 1; - } - - return -1; -} - -void ft_prop(struct ft_cxt *cxt, const char *name, const void *data, int sz) -{ - int off = 0; - - off = lookup_string(cxt, name); - if (off == -1) { - memcpy(cxt->p_end, name, strlen(name) + 1); - off = cxt->p_end - cxt->p; - cxt->p_end += strlen(name) + 1; - } - - /* now put offset from beginning of *STRUCTURE* */ - /* will be fixed up at the end */ - ft_put_word(cxt, OF_DT_PROP); - ft_put_word(cxt, sz); - ft_put_word(cxt, off); - ft_put_bin(cxt, data, sz); -} - -void ft_prop_str(struct ft_cxt *cxt, const char *name, const char *str) -{ - ft_prop(cxt, name, str, strlen(str) + 1); -} - -void ft_prop_int(struct ft_cxt *cxt, const char *name, int val) -{ - u32 v = cpu_to_be32((u32) val); - - ft_prop(cxt, name, &v, sizeof(u32)); -} - -/* pick up and start working on a tree in place */ -void ft_init_cxt(struct ft_cxt *cxt, void *blob) -{ - struct boot_param_header *bph = blob; - - memset(cxt, 0, sizeof(*cxt)); - - cxt->bph = bph; - bph->boot_cpuid_phys = CONFIG_OF_BOOT_CPU; - - /* find beginning and end of reserve map table (zeros in last entry) */ - cxt->p_rsvmap = (u8 *)bph + bph->off_mem_rsvmap; - while ( ((uint64_t *)cxt->p_rsvmap)[0] != 0 && - ((uint64_t *)cxt->p_rsvmap)[1] != 0 ) { - cxt->p_rsvmap += SIZE_OF_RSVMAP_ENTRY; - } - - cxt->p_start = (u8 *)bph + bph->off_dt_struct; - cxt->p_end = (u8 *)bph + bph->totalsize; - cxt->p = (u8 *)bph + bph->off_dt_strings; -} - -/* add a reserver physical area to the rsvmap */ -void ft_add_rsvmap(struct ft_cxt *cxt, u64 physstart, u64 physend) -{ - memmove(cxt->p_rsvmap + SIZE_OF_RSVMAP_ENTRY, cxt->p_rsvmap, - cxt->p_end - cxt->p_rsvmap); - - ((u64 *)cxt->p_rsvmap)[0] = cpu_to_be64(physstart); - ((u64 *)cxt->p_rsvmap)[1] = cpu_to_be64(physend); - ((u64 *)cxt->p_rsvmap)[2] = 0; - ((u64 *)cxt->p_rsvmap)[3] = 0; - - cxt->p_rsvmap += SIZE_OF_RSVMAP_ENTRY; - cxt->p_start += SIZE_OF_RSVMAP_ENTRY; - cxt->p += SIZE_OF_RSVMAP_ENTRY; - cxt->p_end += SIZE_OF_RSVMAP_ENTRY; -} - -void ft_end_tree(struct ft_cxt *cxt) -{ - ft_put_word(cxt, OF_DT_END); -} - -/* update the boot param header with correct values */ -void ft_finalize_tree(struct ft_cxt *cxt) { - struct boot_param_header *bph = cxt->bph; - - bph->totalsize = cxt->p_end - (u8 *)bph; - bph->off_dt_struct = cxt->p_start - (u8 *)bph; - bph->off_dt_strings = cxt->p - (u8 *)bph; - bph->dt_strings_size = cxt->p_end - cxt->p; -} - -static int is_printable_string(const void *data, int len) -{ - const char *s = data; - const char *ss; - - /* zero length is not */ - if (len == 0) - return 0; - - /* must terminate with zero */ - if (s[len - 1] != '\0') - return 0; - - ss = s; - while (*s && isprint(*s)) - s++; - - /* not zero, or not done yet */ - if (*s != '\0' || (s + 1 - ss) < len) - return 0; - - return 1; -} - -static void print_data(const void *data, int len) -{ - int i; - const u8 *s; - - /* no data, don't print */ - if (len == 0) - return; - - if (is_printable_string(data, len)) { - puts(" = \""); - puts(data); - puts("\""); - return; - } - - switch (len) { - case 1: /* byte */ - printf(" = <%02x>", (*(u8 *) data) & 0xff); - break; - case 2: /* half-word */ - printf(" = <%04x>", be16_to_cpu(*(u16 *) data) & 0xffff); - break; - case 4: /* word */ - printf(" = <%x>", be32_to_cpu(*(u32 *) data) & 0xffffffffU); - break; - case 8: /* double-word */ - printf(" = <%qx>", be64_to_cpu(*(uint64_t *) data)); - break; - default: /* anything else... hexdump */ - printf(" = ["); - for (i = 0, s = data; i < len; i++) - printf("%02x%s", s[i], i < len - 1 ? " " : ""); - printf("]"); - - break; - } -} - -void ft_dump_blob(const void *bphp) -{ - const struct boot_param_header *bph = bphp; - const uint64_t *p_rsvmap = (const uint64_t *) - ((const char *)bph + be32_to_cpu(bph->off_mem_rsvmap)); - const u32 *p_struct = (const u32 *) - ((const char *)bph + be32_to_cpu(bph->off_dt_struct)); - const u32 *p_strings = (const u32 *) - ((const char *)bph + be32_to_cpu(bph->off_dt_strings)); - u32 tag; - const u32 *p; - const char *s, *t; - int depth, sz, shift; - int i; - uint64_t addr, size; - - if (be32_to_cpu(bph->magic) != OF_DT_HEADER) { - /* not valid tree */ - return; - } - - depth = 0; - shift = 4; - - for (i = 0;; i++) { - addr = be64_to_cpu(p_rsvmap[i * 2]); - size = be64_to_cpu(p_rsvmap[i * 2 + 1]); - if (addr == 0 && size == 0) - break; - - printf("/memreserve/ %qx %qx;\n", addr, size); - } - - p = p_struct; - while ((tag = be32_to_cpu(*p++)) != OF_DT_END) { - - /* printf("tag: 0x%08x (%d)\n", tag, p - p_struct); */ - - if (tag == OF_DT_BEGIN_NODE) { - s = (const char *)p; - p = (u32 *) _ALIGN((unsigned long)p + strlen(s) + 1, 4); - - printf("%*s%s {\n", depth * shift, "", s); - - depth++; - continue; - } - - if (tag == OF_DT_END_NODE) { - depth--; - - printf("%*s};\n", depth * shift, ""); - continue; - } - - if (tag == OF_DT_NOP) { - printf("%*s[NOP]\n", depth * shift, ""); - continue; - } - - if (tag != OF_DT_PROP) { - fprintf(stderr, "%*s ** Unknown tag 0x%08x at 0x%x\n", - depth * shift, "", tag, --p); - break; - } - sz = be32_to_cpu(*p++); - s = (const char *)p_strings + be32_to_cpu(*p++); - t = (const char *)p; - p = (const u32 *)_ALIGN((unsigned long)p + sz, 4); - printf("%*s%s", depth * shift, "", s); - print_data(t, sz); - printf(";\n"); - } -} - -void ft_backtrack_node(struct ft_cxt *cxt) -{ - int i = 4; - - while (be32_to_cpu(*(u32 *) (cxt->p - i)) != OF_DT_END_NODE) - i += 4; - - memmove (cxt->p - i, cxt->p, cxt->p_end - cxt->p); - - cxt->p_end -= i; - cxt->p -= i; -} - -void *ft_get_prop(void *bphp, const char *propname, int *szp) -{ - struct boot_param_header *bph = bphp; - uint32_t *p_struct = - (uint32_t *) ((char *)bph + be32_to_cpu(bph->off_dt_struct)); - uint32_t *p_strings = - (uint32_t *) ((char *)bph + be32_to_cpu(bph->off_dt_strings)); - uint32_t version = be32_to_cpu(bph->version); - uint32_t tag; - uint32_t *p; - char *s, *t; - char *ss; - int sz; - static char path[256], prop[256]; - - path[0] = '\0'; - - p = p_struct; - while ((tag = be32_to_cpu(*p++)) != OF_DT_END) { - - if (tag == OF_DT_BEGIN_NODE) { - s = (char *)p; - p = (uint32_t *) _ALIGN((unsigned long)p + strlen(s) + - 1, 4); - strcat(path, s); - strcat(path, "/"); - continue; - } - - if (tag == OF_DT_END_NODE) { - path[strlen(path) - 1] = '\0'; - ss = strrchr(path, '/'); - if (ss != NULL) - ss[1] = '\0'; - continue; - } - - if (tag == OF_DT_NOP) - continue; - - if (tag != OF_DT_PROP) - break; - - sz = be32_to_cpu(*p++); - s = (char *)p_strings + be32_to_cpu(*p++); - if (version < 0x10 && sz >= 8) - p = (uint32_t *) _ALIGN((unsigned long)p, 8); - t = (char *)p; - p = (uint32_t *) _ALIGN((unsigned long)p + sz, 4); - - strcpy(prop, path); - strcat(prop, s); - - if (strcmp(prop, propname) == 0) { - *szp = sz; - return t; - } - } - - return NULL; -} - -/********************************************************************/ - -void ft_setup(void *blob, bd_t * bd, ulong initrd_start, ulong initrd_end) -{ - u32 *p; - int len; - struct ft_cxt cxt; - ulong clock; - - /* disable OF tree; booting old kernel */ - if (getenv("disable_of") != NULL) { - memcpy(blob, bd, sizeof(*bd)); - return; - } - -#ifdef DEBUG - printf ("recieved oftree\n"); - ft_dump_blob(blob); -#endif - - ft_init_cxt(&cxt, blob); - - if (initrd_start && initrd_end) - ft_add_rsvmap(&cxt, initrd_start, initrd_end - initrd_start + 1); - - /* back into root */ - ft_backtrack_node(&cxt); - - ft_begin_node(&cxt, "chosen"); - ft_prop_str(&cxt, "name", "chosen"); - - ft_prop_str(&cxt, "bootargs", getenv("bootargs")); - ft_prop_int(&cxt, "linux,platform", 0x600); /* what is this? */ - if (initrd_start && initrd_end) { - ft_prop_int(&cxt, "linux,initrd-start", initrd_start); - ft_prop_int(&cxt, "linux,initrd-end", initrd_end); - } -#ifdef OF_STDOUT_PATH - ft_prop_str(&cxt, "linux,stdout-path", OF_STDOUT_PATH); -#endif - - ft_end_node(&cxt); - - ft_end_node(&cxt); /* end root */ - - ft_end_tree(&cxt); - ft_finalize_tree(&cxt); - -#ifdef CONFIG_PPC - clock = bd->bi_intfreq; - p = ft_get_prop(blob, "/cpus/" OF_CPU "/clock-frequency", &len); - if (p != NULL) - *p = cpu_to_be32(clock); - -#ifdef OF_TBCLK - clock = OF_TBCLK; - p = ft_get_prop(blob, "/cpus/" OF_CPU "/timebase-frequency", &len); - if (p != NULL) - *p = cpu_to_be32(clock); -#endif -#endif /* __powerpc__ */ - -#ifdef CONFIG_OF_BOARD_SETUP - ft_board_setup(blob, bd); -#endif - - /* in case the size changed in the platform code */ - ft_finalize_tree(&cxt); - -#ifdef DEBUG - printf("final OF-tree\n"); - ft_dump_blob(blob); -#endif -} -#endif diff --git a/cpu/74xx_7xx/cpu.c b/cpu/74xx_7xx/cpu.c index 9c8998b..ea43c9a 100644 --- a/cpu/74xx_7xx/cpu.c +++ b/cpu/74xx_7xx/cpu.c @@ -44,8 +44,9 @@ #include <74xx_7xx.h> #include <asm/cache.h> -#if defined(CONFIG_OF_FLAT_TREE) -#include <ft_build.h> +#if defined(CONFIG_OF_LIBFDT) +#include <libfdt.h> +#include <fdt_support.h> #endif #ifdef CONFIG_AMIGAONEG3SE @@ -301,29 +302,19 @@ watchdog_reset(void) /* ------------------------------------------------------------------------- */ -#ifdef CONFIG_OF_FLAT_TREE -void -ft_cpu_setup (void *blob, bd_t *bd) +#ifdef CONFIG_OF_LIBFDT +void ft_cpu_setup(void *blob, bd_t *bd) { - u32 *p; - ulong clock; - int len; - - clock = bd->bi_busfreq; + do_fixup_by_prop_u32(blob, "device_type", "cpu", 4, + "timebase-frequency", bd->bi_busfreq / 4, 1); + do_fixup_by_prop_u32(blob, "device_type", "cpu", 4, + "bus-frequency", bd->bi_busfreq, 1); + do_fixup_by_prop_u32(blob, "device_type", "cpu", 4, + "clock-frequency", bd->bi_intfreq, 1); - p = ft_get_prop (blob, "/cpus/" OF_CPU "/bus-frequency", &len); - if (p != NULL) - *p = cpu_to_be32 (clock); + fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize); -#if defined(CONFIG_TSI108_ETH) - p = ft_get_prop (blob, "/" OF_TSI "/ethernet@6200/address", &len); - memcpy (p, bd->bi_enetaddr, 6); -#endif - -#if defined(CONFIG_HAS_ETH1) - p = ft_get_prop (blob, "/" OF_TSI "/ethernet@6600/address", &len); - memcpy (p, bd->bi_enet1addr, 6); -#endif + fdt_fixup_ethernet(blob, bd); } #endif /* ------------------------------------------------------------------------- */ diff --git a/drivers/pci/tsi108_pci.c b/drivers/pci/tsi108_pci.c index d5f11e4..4f02cb8 100644 --- a/drivers/pci/tsi108_pci.c +++ b/drivers/pci/tsi108_pci.c @@ -33,8 +33,9 @@ #include <pci.h> #include <asm/io.h> #include <tsi108.h> -#ifdef CONFIG_OF_FLAT_TREE -#include <ft_build.h> +#if defined(CONFIG_OF_LIBFDT) +#include <libfdt.h> +#include <fdt_support.h> #endif struct pci_controller local_hose; @@ -162,20 +163,24 @@ void pci_init_board (void) return; } -#ifdef CONFIG_OF_FLAT_TREE -void -ft_pci_setup (void *blob, bd_t *bd) +#if defined(CONFIG_OF_LIBFDT) +void ft_pci_setup(void *blob, bd_t *bd) { - u32 *p; - int len; - - p = (u32 *)ft_get_prop (blob, "/" OF_TSI "/pci@1000/bus-range", &len); - if (p != NULL) { - p[0] = local_hose.first_busno; - p[1] = local_hose.last_busno; + int nodeoffset; + int tmp[2]; + const char *path; + + nodeoffset = fdt_path_offset(blob, "/aliases"); + if (nodeoffset >= 0) { + path = fdt_getprop(blob, nodeoffset, "pci", NULL); + if (path) { + tmp[0] = cpu_to_be32(local_hose.first_busno); + tmp[1] = cpu_to_be32(local_hose.last_busno); + do_fixup_by_path(blob, path, "bus-range", + &tmp, sizeof(tmp), 1); + } } - } -#endif +#endif /* CONFIG_OF_LIBFDT */ #endif /* CONFIG_TSI108_PCI */ diff --git a/include/configs/mpc7448hpc2.h b/include/configs/mpc7448hpc2.h index a218f75..2f24967 100644 --- a/include/configs/mpc7448hpc2.h +++ b/include/configs/mpc7448hpc2.h @@ -58,6 +58,7 @@ #define CONFIG_BOARD_EARLY_INIT_R #define CONFIG_MISC_INIT_R +#define CONFIG_HAS_ETH0 #define CONFIG_HAS_ETH1 #define CONFIG_ENV_OVERWRITE @@ -75,7 +76,7 @@ #define CFG_PROMPT_HUSH_PS2 "> " /* Pass open firmware flat tree */ -#define CONFIG_OF_FLAT_TREE 1 +#define CONFIG_OF_LIBFDT 1 #define CONFIG_OF_BOARD_SETUP 1 #define OF_CPU "PowerPC,7448@0" diff --git a/include/configs/stxxtc.h b/include/configs/stxxtc.h index 97a1032..fcafba5 100644 --- a/include/configs/stxxtc.h +++ b/include/configs/stxxtc.h @@ -590,8 +590,8 @@ typedef unsigned int led_id_t; /*****************************************************************************/ -/* pass open firmware flat tree */ -#define CONFIG_OF_FLAT_TREE 1 +/* pass open firmware flattened device tree */ +#define CONFIG_OF_LIBFDT 1 #define OF_CPU "PowerPC,MPC870@0" #define OF_TBCLK (MPC8XX_HZ / 16) diff --git a/include/ft_build.h b/include/ft_build.h deleted file mode 100644 index 89c689c..0000000 --- a/include/ft_build.h +++ /dev/null @@ -1,71 +0,0 @@ -/* - * OF Flat tree builder - * - */ - -#ifndef FT_BUILD_H -#define FT_BUILD_H - -#include <linux/types.h> -#include <asm/u-boot.h> - -/* Definitions used by the flattened device tree */ -#define OF_DT_HEADER 0xd00dfeed /* marker */ -#define OF_DT_BEGIN_NODE 0x1 /* Start of node, full name */ -#define OF_DT_END_NODE 0x2 /* End node */ -#define OF_DT_PROP 0x3 /* Property: name off, size, - * content */ -#define OF_DT_NOP 0x4 /* nop */ -#define OF_DT_END 0x9 - -#define OF_DT_VERSION 0x10 - -struct boot_param_header { - u32 magic; /* magic word OF_DT_HEADER */ - u32 totalsize; /* total size of DT block */ - u32 off_dt_struct; /* offset to structure */ - u32 off_dt_strings; /* offset to strings */ - u32 off_mem_rsvmap; /* offset to memory reserve map */ - u32 version; /* format version */ - u32 last_comp_version; /* last compatible version */ - /* version 2 fields below */ - u32 boot_cpuid_phys; /* Physical CPU id we're booting on */ - /* version 3 fields below */ - u32 dt_strings_size; /* size of the DT strings block */ -}; - -struct ft_cxt { - struct boot_param_header *bph; - u8 *p_rsvmap; - u8 *p_start; /* pointer to beginning of dt_struct */ - u8 *p_end; /* pointer to end of dt_strings */ - u8 *p; /* pointer to end of dt_struct and beginning of dt_strings */ -}; - -void ft_begin_node(struct ft_cxt *cxt, const char *name); -void ft_init_cxt(struct ft_cxt *cxt, void *blob); -void ft_end_node(struct ft_cxt *cxt); - -void ft_end_tree(struct ft_cxt *cxt); -void ft_finalize_tree(struct ft_cxt *cxt); - -void ft_nop(struct ft_cxt *cxt); -void ft_prop(struct ft_cxt *cxt, const char *name, const void *data, int sz); -void ft_prop_str(struct ft_cxt *cxt, const char *name, const char *str); -void ft_prop_int(struct ft_cxt *cxt, const char *name, int val); -void ft_begin(struct ft_cxt *cxt, void *blob, int max_size); -void ft_add_rsvmap(struct ft_cxt *cxt, u64 physaddr, u64 size); - -void ft_setup(void *blob, bd_t * bd, ulong initrd_start, ulong initrd_end); - -void ft_dump_blob(const void *bphp); -void ft_merge_blob(struct ft_cxt *cxt, void *blob); -void *ft_get_prop(void *bphp, const char *propname, int *szp); - -#ifdef CONFIG_OF_BOARD_SETUP -void ft_board_setup(void *blob, bd_t *bd); -void ft_cpu_setup(void *blob, bd_t *bd); -void ft_pci_setup(void *blob, bd_t *bd); -#endif - -#endif diff --git a/include/libfdt_env.h b/include/libfdt_env.h index ab5c301..a7fd2f8 100644 --- a/include/libfdt_env.h +++ b/include/libfdt_env.h @@ -31,7 +31,7 @@ #include <stddef.h> #include <asm/byteorder.h> -extern struct fdt_header *fdt; /* Pointer to the working fdt */ +extern struct fdt_header *working_fdt; /* Pointer to the working fdt */ #define fdt32_to_cpu(x) __be32_to_cpu(x) #define cpu_to_fdt32(x) __cpu_to_be32(x) diff --git a/lib_ppc/bootm.c b/lib_ppc/bootm.c index 9194fd8..0421ce4 100644 --- a/lib_ppc/bootm.c +++ b/lib_ppc/bootm.c @@ -750,7 +750,7 @@ static int boot_relocate_fdt (struct lmb *lmb, ulong bootmap_base, *of_flat_tree = (char *)of_start; } else { *of_flat_tree = fdt_blob; - lmb_reserve(lmb, (ulong)fdt, of_len); + lmb_reserve(lmb, (ulong)working_fdt, of_len); } return 0; diff --git a/libfdt/fdt.c b/libfdt/fdt.c index cfa1989..cb08ba0 100644 --- a/libfdt/fdt.c +++ b/libfdt/fdt.c @@ -133,16 +133,23 @@ uint32_t fdt_next_tag(const void *fdt, int offset, int *nextoffset) return tag; } +int _fdt_check_node_offset(const void *fdt, int offset) +{ + if ((offset < 0) || (offset % FDT_TAGSIZE) + || (fdt_next_tag(fdt, offset, &offset) != FDT_BEGIN_NODE)) + return -FDT_ERR_BADOFFSET; + + return offset; +} + int fdt_next_node(const void *fdt, int offset, int *depth) { int nextoffset = 0; uint32_t tag; - if (offset >= 0) { - tag = fdt_next_tag(fdt, offset, &nextoffset); - if (tag != FDT_BEGIN_NODE) - return -FDT_ERR_BADOFFSET; - } + if (offset >= 0) + if ((nextoffset = _fdt_check_node_offset(fdt, offset)) < 0) + return nextoffset; do { offset = nextoffset; diff --git a/libfdt/fdt_ro.c b/libfdt/fdt_ro.c index 11d80d2..69af7bb 100644 --- a/libfdt/fdt_ro.c +++ b/libfdt/fdt_ro.c @@ -161,16 +161,12 @@ int fdt_path_offset(const void *fdt, const char *path) const char *fdt_get_name(const void *fdt, int nodeoffset, int *len) { - const struct fdt_node_header *nh; + const struct fdt_node_header *nh = _fdt_offset_ptr(fdt, nodeoffset); int err; - if ((err = fdt_check_header(fdt)) != 0) - goto fail; - - err = -FDT_ERR_BADOFFSET; - nh = fdt_offset_ptr(fdt, nodeoffset, sizeof(*nh)); - if (!nh || (fdt32_to_cpu(nh->tag) != FDT_BEGIN_NODE)) - goto fail; + if (((err = fdt_check_header(fdt)) != 0) + || ((err = _fdt_check_node_offset(fdt, nodeoffset)) < 0)) + goto fail; if (len) *len = strlen(nh->name); @@ -193,17 +189,11 @@ const struct fdt_property *fdt_get_property(const void *fdt, int offset, nextoffset; int err; - if ((err = fdt_check_header(fdt)) != 0) - goto fail; - - err = -FDT_ERR_BADOFFSET; - if (nodeoffset % FDT_TAGSIZE) - goto fail; - - tag = fdt_next_tag(fdt, nodeoffset, &nextoffset); - if (tag != FDT_BEGIN_NODE) - goto fail; + if (((err = fdt_check_header(fdt)) != 0) + || ((err = _fdt_check_node_offset(fdt, nodeoffset)) < 0)) + goto fail; + nextoffset = err; do { offset = nextoffset; diff --git a/libfdt/fdt_rw.c b/libfdt/fdt_rw.c index 8609fa7..95a5c2c 100644 --- a/libfdt/fdt_rw.c +++ b/libfdt/fdt_rw.c @@ -176,8 +176,7 @@ int fdt_add_mem_rsv(void *fdt, uint64_t address, uint64_t size) struct fdt_reserve_entry *re; int err; - if ((err = rw_check_header(fdt))) - return err; + RW_CHECK_HEADER(fdt); re = _fdt_mem_rsv_w(fdt, fdt_num_mem_rsv(fdt)); err = _blob_splice_mem_rsv(fdt, re, 0, 1); @@ -194,8 +193,8 @@ int fdt_del_mem_rsv(void *fdt, int n) struct fdt_reserve_entry *re = _fdt_mem_rsv_w(fdt, n); int err; - if ((err = rw_check_header(fdt))) - return err; + RW_CHECK_HEADER(fdt); + if (n >= fdt_num_mem_rsv(fdt)) return -FDT_ERR_NOTFOUND; @@ -227,15 +226,13 @@ static int _resize_property(void *fdt, int nodeoffset, const char *name, int len static int _add_property(void *fdt, int nodeoffset, const char *name, int len, struct fdt_property **prop) { - uint32_t tag; int proplen; int nextoffset; int namestroff; int err; - tag = fdt_next_tag(fdt, nodeoffset, &nextoffset); - if (tag != FDT_BEGIN_NODE) - return -FDT_ERR_BADOFFSET; + if ((nextoffset = _fdt_check_node_offset(fdt, nodeoffset)) < 0) + return nextoffset; namestroff = _find_add_string(fdt, name); if (namestroff < 0) @@ -260,8 +257,7 @@ int fdt_set_name(void *fdt, int nodeoffset, const char *name) int oldlen, newlen; int err; - if ((err = rw_check_header(fdt))) - return err; + RW_CHECK_HEADER(fdt); namep = (char *)fdt_get_name(fdt, nodeoffset, &oldlen); if (!namep) @@ -284,8 +280,7 @@ int fdt_setprop(void *fdt, int nodeoffset, const char *name, struct fdt_property *prop; int err; - if ((err = rw_check_header(fdt))) - return err; + RW_CHECK_HEADER(fdt); err = _resize_property(fdt, nodeoffset, name, len, &prop); if (err == -FDT_ERR_NOTFOUND) @@ -456,11 +451,8 @@ int fdt_open_into(const void *fdt, void *buf, int bufsize) int fdt_pack(void *fdt) { int mem_rsv_size; - int err; - err = rw_check_header(fdt); - if (err) - return err; + RW_CHECK_HEADER(fdt); mem_rsv_size = (fdt_num_mem_rsv(fdt)+1) * sizeof(struct fdt_reserve_entry); diff --git a/libfdt/fdt_sw.c b/libfdt/fdt_sw.c index dda2de3..df09876 100644 --- a/libfdt/fdt_sw.c +++ b/libfdt/fdt_sw.c @@ -55,13 +55,21 @@ #include "libfdt_internal.h" -static int check_header_sw(void *fdt) +static int sw_check_header(void *fdt) { if (fdt_magic(fdt) != SW_MAGIC) return -FDT_ERR_BADMAGIC; + /* FIXME: should check more details about the header state */ return 0; } +#define SW_CHECK_HEADER(fdt) \ + { \ + int err; \ + if ((err = sw_check_header(fdt)) != 0) \ + return err; \ + } + static void *grab_space(void *fdt, int len) { int offset = fdt_size_dt_struct(fdt); @@ -102,11 +110,10 @@ int fdt_create(void *buf, int bufsize) int fdt_add_reservemap_entry(void *fdt, uint64_t addr, uint64_t size) { struct fdt_reserve_entry *re; - int err = check_header_sw(fdt); int offset; - if (err) - return err; + SW_CHECK_HEADER(fdt); + if (fdt_size_dt_struct(fdt)) return -FDT_ERR_BADSTATE; @@ -131,11 +138,9 @@ int fdt_finish_reservemap(void *fdt) int fdt_begin_node(void *fdt, const char *name) { struct fdt_node_header *nh; - int err = check_header_sw(fdt); int namelen = strlen(name) + 1; - if (err) - return err; + SW_CHECK_HEADER(fdt); nh = grab_space(fdt, sizeof(*nh) + ALIGN(namelen, FDT_TAGSIZE)); if (! nh) @@ -149,10 +154,8 @@ int fdt_begin_node(void *fdt, const char *name) int fdt_end_node(void *fdt) { uint32_t *en; - int err = check_header_sw(fdt); - if (err) - return err; + SW_CHECK_HEADER(fdt); en = grab_space(fdt, FDT_TAGSIZE); if (! en) @@ -188,11 +191,9 @@ static int find_add_string(void *fdt, const char *s) int fdt_property(void *fdt, const char *name, const void *val, int len) { struct fdt_property *prop; - int err = check_header_sw(fdt); int nameoff; - if (err) - return err; + SW_CHECK_HEADER(fdt); nameoff = find_add_string(fdt, name); if (nameoff == 0) @@ -211,15 +212,13 @@ int fdt_property(void *fdt, const char *name, const void *val, int len) int fdt_finish(void *fdt) { - int err = check_header_sw(fdt); char *p = (char *)fdt; uint32_t *end; int oldstroffset, newstroffset; uint32_t tag; int offset, nextoffset; - if (err) - return err; + SW_CHECK_HEADER(fdt); /* Add terminator */ end = grab_space(fdt, sizeof(*end)); diff --git a/libfdt/libfdt_internal.h b/libfdt/libfdt_internal.h index 52e1b8d..f72e70d 100644 --- a/libfdt/libfdt_internal.h +++ b/libfdt/libfdt_internal.h @@ -66,6 +66,7 @@ } uint32_t _fdt_next_tag(const void *fdt, int startoffset, int *nextoffset); +int _fdt_check_node_offset(const void *fdt, int offset); const char *_fdt_find_string(const char *strtab, int tabsize, const char *s); int _fdt_node_end_offset(void *fdt, int nodeoffset); |