DECLARE_GLOBAL_DATA_PTR;
static int fdt_valid(void);
-static int fdt_parse_prop(char **newval, int count, char *data, int *len);
+static int fdt_parse_prop(char *const*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;
+
+void set_working_fdt_addr(void *addr)
+{
+ char buf[17];
+
+ working_fdt = addr;
+
+ sprintf(buf, "%lx", (unsigned long)addr);
+ setenv("fdtaddr", buf);
+}
+
/*
* Flattened Device Tree command, see the help for parameter definitions.
*/
-int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
{
- if (argc < 2) {
- printf ("Usage:\n%s\n", cmdtp->usage);
- return 1;
- }
+ if (argc < 2)
+ return cmd_usage(cmdtp);
- /********************************************************************
+ /*
* Set the address of the fdt
- ********************************************************************/
+ */
if (argv[1][0] == 'a') {
+ unsigned long addr;
/*
* Set the address [and length] of the fdt.
*/
- fdt = (struct fdt_header *)simple_strtoul(argv[2], NULL, 16);
+ if (argc == 2) {
+ if (!fdt_valid()) {
+ return 1;
+ }
+ printf("The address of the fdt is %p\n", working_fdt);
+ return 0;
+ }
+
+ addr = simple_strtoul(argv[2], NULL, 16);
+ set_working_fdt_addr((void *)addr);
if (!fdt_valid()) {
return 1;
* 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));
}
}
- /********************************************************************
- * Move the fdt
- ********************************************************************/
- } else if ((argv[1][0] == 'm') && (argv[1][1] == 'o')) {
+ /*
+ * Move the working_fdt
+ */
+ } else if (strncmp(argv[1], "mo", 2) == 0) {
struct fdt_header *newaddr;
int len;
int err;
- if (argc < 4) {
- printf ("Usage:\n%s\n", cmdtp->usage);
- return 1;
- }
+ if (argc < 4)
+ return cmd_usage(cmdtp);
/*
* 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;
}
* 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;
}
}
/*
* 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 */
/*
* Parameters: Node path, new node to be appended to the path.
*/
- if (argc < 4) {
- printf ("Usage:\n%s\n", cmdtp->usage);
- return 1;
- }
+ if (argc < 4)
+ return cmd_usage(cmdtp);
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.
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));
return 1;
}
- /********************************************************************
- * 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 */
char *prop; /* property */
/*
* Parameters: Node path, property, optional value.
*/
- if (argc < 4) {
- printf ("Usage:\n%s\n", cmdtp->usage);
- return 1;
- }
+ if (argc < 4)
+ return cmd_usage(cmdtp);
pathp = argv[2];
prop = argv[3];
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.
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;
}
- /********************************************************************
+ /*
* Print (recursive) / List (single level)
- ********************************************************************/
+ */
} else if ((argv[1][0] == 'p') || (argv[1][0] == 'l')) {
int depth = MAX_LEVEL; /* how deep to print */
char *pathp; /* path */
if (ret != 0)
return ret;
- /********************************************************************
+ /*
* 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;
* 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.
* 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));
}
}
- /********************************************************************
+ /*
* 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
- addr = simple_strtoull(argv[2], NULL, 16);
- size = simple_strtoull(argv[3], NULL, 16);
-#else
- addr = simple_strtoul(argv[2], NULL, 16);
- size = simple_strtoul(argv[3], NULL, 16);
-#endif
- err = fdt_fixup_memory(fdt, addr, size);
+ addr = simple_strtoull(argv[2], NULL, 16);
+ size = simple_strtoull(argv[3], NULL, 16);
+ 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));
} else if (argv[2][0] == 'a') {
uint64_t addr, size;
int err;
-#ifdef CFG_64BIT_STRTOUL
addr = simple_strtoull(argv[3], NULL, 16);
size = simple_strtoull(argv[4], NULL, 16);
-#else
- 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",
}
} 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",
}
} else {
/* Unrecognized command */
- printf ("Usage:\n%s\n", cmdtp->usage);
- return 1;
+ return cmd_usage(cmdtp);
}
}
#ifdef CONFIG_OF_BOARD_SETUP
/* Call the board-specific fixup routine */
- else if ((argv[1][0] == 'b') && (argv[1][1] == 'o') &&
- (argv[1][2] == 'a'))
- 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);
+ else if (argv[1][0] == 'c') {
+ unsigned long initrd_start = 0, initrd_end = 0;
+
+ if ((argc != 2) && (argc != 4))
+ return cmd_usage(cmdtp);
+
+ if (argc == 4) {
+ initrd_start = simple_strtoul(argv[2], NULL, 16);
+ initrd_end = simple_strtoul(argv[3], NULL, 16);
+ }
+
+ fdt_chosen(working_fdt, 1);
+ fdt_initrd(working_fdt, initrd_start, initrd_end, 1);
+ }
+ /* resize the fdt */
+ else if (strncmp(argv[1], "re", 2) == 0) {
+ fdt_resize(working_fdt);
+ }
else {
/* Unrecognized command */
- printf ("Usage:\n%s\n", cmdtp->usage);
- return 1;
+ return cmd_usage(cmdtp);
}
return 0;
{
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 */
* Be more informative on bad version.
*/
if (err == -FDT_ERR_BADVERSION) {
- if (fdt_version(fdt) < FDT_FIRST_SUPPORTED_VERSION) {
- printf (" - too old, fdt $d < %d",
- fdt_version(fdt),
+ if (fdt_version(working_fdt) <
+ FDT_FIRST_SUPPORTED_VERSION) {
+ printf (" - too old, fdt %d < %d",
+ fdt_version(working_fdt),
FDT_FIRST_SUPPORTED_VERSION);
- fdt = NULL;
+ working_fdt = NULL;
}
- if (fdt_last_comp_version(fdt) > FDT_LAST_SUPPORTED_VERSION) {
- printf (" - too new, fdt $d > %d",
- fdt_version(fdt),
+ if (fdt_last_comp_version(working_fdt) >
+ FDT_LAST_SUPPORTED_VERSION) {
+ printf (" - too new, fdt %d > %d",
+ fdt_version(working_fdt),
FDT_LAST_SUPPORTED_VERSION);
- fdt = NULL;
+ working_fdt = NULL;
}
return 0;
}
* data: A bytestream to be placed in the property
* len: The length of the resulting bytestream
*/
-static int fdt_parse_prop(char **newval, int count, char *data, int *len)
+static int fdt_parse_prop(char * const *newval, int count, char *data, int *len)
{
char *cp; /* temporary char pointer */
char *newp; /* temporary newval char pointer */
* Byte stream. Convert the values.
*/
newp++;
- while ((*newp != ']') && (stridx < count)) {
- tmp = simple_strtoul(newp, &newp, 16);
- *data++ = tmp & 0xFF;
- *len = *len + 1;
+ while ((stridx < count) && (*newp != ']')) {
while (*newp == ' ')
newp++;
- if (*newp != '\0')
+ if (*newp == '\0') {
newp = newval[++stridx];
+ continue;
+ }
+ if (!isxdigit(*newp))
+ break;
+ tmp = simple_strtoul(newp, &newp, 16);
+ *data++ = tmp & 0xFF;
+ *len = *len + 1;
}
if (*newp != ']') {
- printf("Unexpected character '%c'\n", *newval);
+ printf("Unexpected character '%c'\n", *newp);
return 1;
}
} else {
/*
- * Assume it is a string. Copy it into our data area for
- * convenience (including the terminating '\0').
+ * Assume it is one or more strings. Copy it into our
+ * data area for convenience (including the
+ * terminating '\0's).
*/
while (stridx < count) {
- *len = strlen(newp) + 1;
+ size_t length = strlen(newp) + 1;
strcpy(data, newp);
+ data += length;
+ *len += length;
newp = newval[++stridx];
}
}
printf("<");
for (j = 0, p = data; j < len/4; j ++)
- printf("0x%x%s", p[j], j < (len/4 - 1) ? " " : "");
+ printf("0x%x%s", fdt32_to_cpu(p[j]), j < (len/4 - 1) ? " " : "");
printf(">");
} else { /* anything else... hexdump */
const u8 *s;
/****************************************************************************/
/*
- * 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)
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.
* 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);
* 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 */";
}
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;
}
break;
case FDT_NOP:
- printf("/* NOP */\n", &tabs[MAX_LEVEL - level]);
+ printf("%s/* NOP */\n", &tabs[MAX_LEVEL - level]);
break;
case FDT_END:
return 1;
U_BOOT_CMD(
fdt, 255, 0, do_fdt,
- "fdt - flattened device tree utility commands\n",
+ "flattened device tree utility commands",
"addr <addr> [<length>] - Set the fdt location to <addr>\n"
#ifdef CONFIG_OF_BOARD_SETUP
"fdt boardsetup - Do board-specific set up\n"
#endif
"fdt move <fdt> <newaddr> <length> - Copy the fdt to <addr> and make it active\n"
+ "fdt resize - Resize fdt to size + padding to 4k addr\n"
"fdt print <path> [<prop>] - Recursive print starting at <path>\n"
"fdt list <path> [<prop>] - Print one level starting at <path>\n"
"fdt set <path> <prop> [<val>] - Set <property> [to <val>]\n"
"fdt rsvmem print - Show current mem reserves\n"
"fdt rsvmem add <addr> <size> - Add a mem reserve\n"
"fdt rsvmem delete <index> - Delete a mem reserves\n"
- "fdt chosen - Add/update the /chosen branch in the tree\n"
- "NOTE: If the path or property you are setting/printing has a '#' character\n"
- " or spaces, you MUST escape it with a \\ character or quote it with \".\n"
+ "fdt chosen [<start> <end>] - Add/update the /chosen branch in the tree\n"
+ " <start>/<end> - initrd start/end addr\n"
+ "NOTE: Dereference aliases by omiting the leading '/', "
+ "e.g. fdt print ethernet0."
);
projects / karo-tx-uboot.git / blobdiff