#define MAX_LEVEL 32 /* how deeply nested we will go */
#define SCRATCHPAD 1024 /* bytes of scratchpad memory */
-#ifndef CONFIG_CMD_FDT_MAX_DUMP
-#define CONFIG_CMD_FDT_MAX_DUMP 64
-#endif
+#define CMD_FDT_MAX_DUMP 64
/*
* Global data (for the gd->bd)
char *prop; /* property */
int nodeoffset; /* node offset from libfdt */
static char data[SCRATCHPAD]; /* storage for the property */
+ const void *ptmp;
int len; /* new length of the property */
int ret; /* return value */
pathp = argv[2];
prop = argv[3];
- if (argc == 4) {
- len = 0;
- } else {
- ret = fdt_parse_prop(&argv[4], argc - 4, data, &len);
- if (ret != 0)
- return ret;
- }
nodeoffset = fdt_path_offset (working_fdt, pathp);
if (nodeoffset < 0) {
return 1;
}
+ if (argc == 4) {
+ len = 0;
+ } else {
+ ptmp = fdt_getprop(working_fdt, nodeoffset, prop, &len);
+ if (!ptmp) {
+ printf("prop (%s) not found!\n", prop);
+ return 1;
+ }
+ if (len > SCRATCHPAD) {
+ printf("prop (%d) doesn't fit in scratchpad!\n",
+ len);
+ return 1;
+ }
+ memcpy(data, ptmp, len);
+ ret = fdt_parse_prop(&argv[4], argc - 4, data, &len);
+ if (ret != 0)
+ return ret;
+ }
+
ret = fdt_setprop(working_fdt, nodeoffset, prop, data, len);
if (ret < 0) {
printf ("libfdt fdt_setprop(): %s\n", fdt_strerror(ret));
/* no property value */
setenv(var, "");
return 0;
- } else if (len > 0) {
+ } else if (nodep && len > 0) {
if (subcmd[0] == 'v') {
int ret;
cp = newp;
tmp = simple_strtoul(cp, &newp, 0);
- *(fdt32_t *)data = cpu_to_fdt32(tmp);
+ if (*cp != '?')
+ *(fdt32_t *)data = cpu_to_fdt32(tmp);
+ else
+ newp++;
+
data += 4;
*len += 4;
}
if ((len %4) == 0) {
- if (len > CONFIG_CMD_FDT_MAX_DUMP)
+ if (len > CMD_FDT_MAX_DUMP)
printf("* 0x%p [0x%08x]", data, len);
else {
const __be32 *p;
printf(">");
}
} else { /* anything else... hexdump */
- if (len > CONFIG_CMD_FDT_MAX_DUMP)
+ if (len > CMD_FDT_MAX_DUMP)
printf("* 0x%p [0x%08x]", data, len);
else {
const u8 *s;
/* no property value */
printf("%s %s\n", pathp, prop);
return 0;
- } else if (len > 0) {
+ } else if (nodep && len > 0) {
printf("%s = ", prop);
print_data (nodep, len);
printf("\n");