#include <command.h>
#include <linux/ctype.h>
#include <linux/types.h>
-
-#ifdef CONFIG_OF_LIBFDT
-
#include <asm/global_data.h>
#include <fdt.h>
#include <libfdt.h>
static int fdt_valid(void);
static int fdt_parse_prop(char *pathp, char *prop, char *newval,
char *data, int *len);
-static int fdt_print(char *pathp, char *prop, int depth);
+static int fdt_print(const char *pathp, char *prop, int depth);
/*
* Flattened Device Tree command, see the help for parameter definitions.
/*
* Optional new length
*/
- len = simple_strtoul(argv[3], NULL, 16);
+ len = simple_strtoul(argv[3], NULL, 16);
if (len < fdt_totalsize(fdt)) {
printf ("New length %d < existing length %d, "
"ignoring.\n",
pathp = argv[2];
nodep = argv[3];
- nodeoffset = fdt_find_node_by_path (fdt, pathp);
+ nodeoffset = fdt_path_offset (fdt, pathp);
if (nodeoffset < 0) {
/*
* Not found or something else bad happened.
*/
- printf ("libfdt fdt_find_node_by_path() returned %s\n",
+ printf ("libfdt fdt_path_offset() returned %s\n",
fdt_strerror(nodeoffset));
return 1;
}
} else if (argv[1][0] == 's') {
char *pathp; /* path */
char *prop; /* property */
- char *newval; /* value from the user (as a string) */
int nodeoffset; /* node offset from libfdt */
static char data[SCRATCHPAD]; /* storage for the property */
int len; /* new length of the property */
int ret; /* return value */
/*
- * Parameters: Node path, property, value.
+ * Parameters: Node path, property, optional value.
*/
- if (argc < 5) {
+ if (argc < 4) {
printf ("Usage:\n%s\n", cmdtp->usage);
return 1;
}
pathp = argv[2];
prop = argv[3];
- newval = argv[4];
+ if (argc == 4) {
+ len = 0;
+ } else {
+ ret = fdt_parse_prop(pathp, prop, argv[4], data, &len);
+ if (ret != 0)
+ return ret;
+ }
- nodeoffset = fdt_find_node_by_path (fdt, pathp);
+ nodeoffset = fdt_path_offset (fdt, pathp);
if (nodeoffset < 0) {
/*
* Not found or something else bad happened.
*/
- printf ("libfdt fdt_find_node_by_path() returned %s\n",
+ printf ("libfdt fdt_path_offset() returned %s\n",
fdt_strerror(nodeoffset));
return 1;
}
- ret = fdt_parse_prop(pathp, prop, newval, data, &len);
- if (ret != 0)
- return ret;
ret = fdt_setprop(fdt, nodeoffset, prop, data, len);
if (ret < 0) {
char *pathp; /* path */
char *prop; /* property */
int ret; /* return value */
+ static char root[2] = "/";
/*
* list is an alias for print, but limited to 1 level
* Get the starting path. The root node is an oddball,
* the offset is zero and has no name.
*/
- pathp = argv[2];
+ if (argc == 2)
+ pathp = root;
+ else
+ pathp = argv[2];
if (argc > 3)
prop = argv[3];
else
* Get the path. The root node is an oddball, the offset
* is zero and has no name.
*/
- nodeoffset = fdt_find_node_by_path (fdt, argv[2]);
+ nodeoffset = fdt_path_offset (fdt, argv[2]);
if (nodeoffset < 0) {
/*
* Not found or something else bad happened.
*/
- printf ("libfdt fdt_find_node_by_path() returned %s\n",
+ printf ("libfdt fdt_path_offset() returned %s\n",
fdt_strerror(nodeoffset));
return 1;
}
switch (len) {
case 1: /* byte */
- printf("<%02x>", (*(u8 *) data) & 0xff);
+ printf("<0x%02x>", (*(u8 *) data) & 0xff);
break;
case 2: /* half-word */
- printf("<%04x>", be16_to_cpu(*(u16 *) data) & 0xffff);
+ printf("<0x%04x>", be16_to_cpu(*(u16 *) data) & 0xffff);
break;
case 4: /* word */
- printf("<%08x>", be32_to_cpu(*(u32 *) data) & 0xffffffffU);
+ printf("<0x%08x>", be32_to_cpu(*(u32 *) data) & 0xffffffffU);
break;
case 8: /* double-word */
#if __WORDSIZE == 64
- printf("<%016llx>", be64_to_cpu(*(uint64_t *) data));
+ printf("<0x%016llx>", be64_to_cpu(*(uint64_t *) data));
#else
- printf("<%08x ", be32_to_cpu(*(u32 *) data) & 0xffffffffU);
+ printf("<0x%08x ", be32_to_cpu(*(u32 *) data) & 0xffffffffU);
data += 4;
- printf("%08x>", be32_to_cpu(*(u32 *) data) & 0xffffffffU);
+ printf("0x%08x>", be32_to_cpu(*(u32 *) data) & 0xffffffffU);
#endif
break;
default: /* anything else... hexdump */
* Recursively print (a portion of) the fdt. The depth parameter
* determines how deeply nested the fdt is printed.
*/
-static int fdt_print(char *pathp, char *prop, int depth)
+static int fdt_print(const char *pathp, char *prop, int depth)
{
- static int offstack[MAX_LEVEL];
static char tabs[MAX_LEVEL+1] =
"\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t"
"\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t";
- void *nodep; /* property node pointer */
+ const void *nodep; /* property node pointer */
int nodeoffset; /* node offset from libfdt */
int nextoffset; /* next node offset from libfdt */
uint32_t tag; /* tag */
int len; /* length of the property */
int level = 0; /* keep track of nesting level */
+ const struct fdt_property *fdt_prop;
- nodeoffset = fdt_find_node_by_path (fdt, pathp);
+ nodeoffset = fdt_path_offset (fdt, pathp);
if (nodeoffset < 0) {
/*
* Not found or something else bad happened.
*/
- printf ("libfdt fdt_find_node_by_path() returned %s\n",
+ printf ("libfdt fdt_path_offset() returned %s\n",
fdt_strerror(nodeoffset));
return 1;
}
printf("%s %s\n", pathp, prop);
return 0;
} else if (len > 0) {
- printf("%s=", prop);
+ printf("%s = ", prop);
print_data (nodep, len);
printf("\n");
return 0;
* The user passed in a node path and no property,
* print the node and all subnodes.
*/
- offstack[0] = nodeoffset;
-
while(level >= 0) {
- tag = fdt_next_tag(fdt, nodeoffset, &nextoffset, &pathp);
+ tag = fdt_next_tag(fdt, nodeoffset, &nextoffset);
switch(tag) {
case FDT_BEGIN_NODE:
- if(level <= depth)
+ pathp = fdt_get_name(fdt, nodeoffset, NULL);
+ if (level <= depth) {
+ if (pathp == NULL)
+ pathp = "/* NULL pointer error */";
+ if (*pathp == '\0')
+ pathp = "/"; /* root is nameless */
printf("%s%s {\n",
&tabs[MAX_LEVEL - level], pathp);
+ }
level++;
- offstack[level] = nodeoffset;
if (level >= MAX_LEVEL) {
- printf("Aaaiii <splat> nested too deep. "
- "Aborting.\n");
+ printf("Nested too deep, aborting.\n");
return 1;
}
break;
case FDT_END_NODE:
level--;
- if(level <= depth)
+ if (level <= depth)
printf("%s};\n", &tabs[MAX_LEVEL - level]);
if (level == 0) {
level = -1; /* exit the loop */
}
break;
case FDT_PROP:
- nodep = fdt_getprop (fdt, offstack[level], pathp, &len);
+ fdt_prop = fdt_offset_ptr(fdt, nodeoffset,
+ sizeof(*fdt_prop));
+ pathp = fdt_string(fdt,
+ fdt32_to_cpu(fdt_prop->nameoff));
+ len = fdt32_to_cpu(fdt_prop->len);
+ nodep = fdt_prop->data;
if (len < 0) {
printf ("libfdt fdt_getprop(): %s\n",
fdt_strerror(len));
return 1;
} else if (len == 0) {
/* the property has no value */
- if(level <= depth)
+ if (level <= depth)
printf("%s%s;\n",
&tabs[MAX_LEVEL - level],
pathp);
} else {
- if(level <= depth) {
- printf("%s%s=",
+ if (level <= depth) {
+ printf("%s%s = ",
&tabs[MAX_LEVEL - level],
pathp);
print_data (nodep, len);
}
break;
case FDT_NOP:
+ printf("/* NOP */\n", &tabs[MAX_LEVEL - level]);
break;
case FDT_END:
return 1;
default:
- if(level <= depth)
+ if (level <= depth)
printf("Unknown tag 0x%08X\n", tag);
return 1;
}
#ifdef CONFIG_OF_BOARD_SETUP
"fdt boardsetup - Do board-specific set up\n"
#endif
- "fdt move <fdt> <newaddr> <length> - Copy the fdt to <addr>\n"
+ "fdt move <fdt> <newaddr> <length> - Copy the fdt to <addr> and make it active\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"
#ifdef CONFIG_OF_HAS_BD_T
"fdt bd_t - Add/replace the /bd_t branch in the tree\n"
#endif
- "Hints:\n"
- " If the property you are setting/printing has a '#' character or spaces,\n"
- " you MUST escape it with a \\ character or quote it with \".\n"
- "Examples: fdt print / # print the whole tree\n"
- " fdt print /cpus \"#address-cells\"\n"
- " fdt set /cpus \"#address-cells\" \"[00 00 00 01]\"\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"
);
-
-#endif /* CONFIG_OF_LIBFDT */
projects / u-boot / blobdiff