/*
* Flattened Device Tree command, see the help for parameter definitions.
*/
static int do_fdt(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
if (argc < 2)
return CMD_RET_USAGE;
/*
* Set the address of the fdt
*/
if (strncmp(argv[1], "ad", 2) == 0) {
unsigned long addr;
int control = 0;
struct fdt_header *blob;
/*
* Set the address [and length] of the fdt.
*/
argc -= 2;
argv += 2;
/* Temporary #ifdef - some archs don't have fdt_blob yet */
#ifdef CONFIG_OF_CONTROL
if (argc && !strcmp(*argv, "-c")) {
control = 1;
argc--;
argv++;
}
#endif
if (argc == 0) {
if (control)
blob = (struct fdt_header *)gd->fdt_blob;
else
blob = working_fdt;
if (!blob || !fdt_valid(&blob))
return 1;
printf("The address of the fdt is %#08lx\n",
control ? (ulong)map_to_sysmem(blob) :
getenv_hex("fdtaddr", 0));
return 0;
}
addr = simple_strtoul(argv[0], NULL, 16);
blob = map_sysmem(addr, 0);
if (!fdt_valid(&blob))
return 1;
if (control)
gd->fdt_blob = blob;
else
set_working_fdt_addr(addr);
if (argc >= 2) {
int len;
int err;
/*
* Optional new length
*/
len = simple_strtoul(argv[1], NULL, 16);
if (len < fdt_totalsize(blob)) {
printf ("New length %d < existing length %d, "
"ignoring.\n",
len, fdt_totalsize(blob));
} else {
/*
* Open in place with a new length.
*/
err = fdt_open_into(blob, blob, len);
if (err != 0) {
printf ("libfdt fdt_open_into(): %s\n",
fdt_strerror(err));
}
}
}
return CMD_RET_SUCCESS;
}
if (!working_fdt) {
puts(
"No FDT memory address configured. Please configure\n"
"the FDT address via \"fdt addr <address>\" command.\n"
"Aborting!\n");
return CMD_RET_FAILURE;
}
/*
* Move the working_fdt
*/
if (strncmp(argv[1], "mo", 2) == 0) {
struct fdt_header *newaddr;
int len;
int err;
if (argc < 4)
return CMD_RET_USAGE;
/*
* Set the address and length of the fdt.
*/
working_fdt = (struct fdt_header *)simple_strtoul(argv[2], NULL, 16);
if (!fdt_valid(&working_fdt))
return 1;
newaddr = (struct fdt_header *)simple_strtoul(argv[3],NULL,16);
/*
* If the user specifies a length, use that. Otherwise use the
* current length.
*/
if (argc <= 4) {
len = fdt_totalsize(working_fdt);
} else {
len = simple_strtoul(argv[4], NULL, 16);
if (len < fdt_totalsize(working_fdt)) {
printf ("New length 0x%X < existing length "
"0x%X, aborting.\n",
len, fdt_totalsize(working_fdt));
return 1;
}
}
/*
* Copy to the new location.
*/
err = fdt_open_into(working_fdt, newaddr, len);
if (err != 0) {
printf ("libfdt fdt_open_into(): %s\n",
fdt_strerror(err));
return 1;
}
working_fdt = newaddr;
/*
* Make a new node
*/
} else if (strncmp(argv[1], "mk", 2) == 0) {
char *pathp; /* path */
char *nodep; /* new node to add */
int nodeoffset; /* node offset from libfdt */
int err;
/*
* Parameters: Node path, new node to be appended to the path.
*/
if (argc < 4)
return CMD_RET_USAGE;
pathp = argv[2];
nodep = argv[3];
nodeoffset = fdt_path_offset (working_fdt, pathp);
if (nodeoffset < 0) {
/*
* Not found or something else bad happened.
*/
printf ("libfdt fdt_path_offset() returned %s\n",
fdt_strerror(nodeoffset));
return 1;
}
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 working_fdt.
*/
} else if (argv[1][0] == 's') {
char *pathp; /* path */
char *prop; /* property */
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, optional value.
*/
if (argc < 4)
return CMD_RET_USAGE;
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) {
/*
* Not found or something else bad happened.
*/
printf ("libfdt fdt_path_offset() returned %s\n",
fdt_strerror(nodeoffset));
return 1;
}
ret = fdt_setprop(working_fdt, nodeoffset, prop, data, len);
if (ret < 0) {
printf ("libfdt fdt_setprop(): %s\n", fdt_strerror(ret));
return 1;
}
/********************************************************************
* Get the value of a property in the working_fdt.
********************************************************************/
} else if (argv[1][0] == 'g') {
char *subcmd; /* sub-command */
char *pathp; /* path */
char *prop; /* property */
char *var; /* variable to store result */
int nodeoffset; /* node offset from libfdt */
const void *nodep; /* property node pointer */
int len = 0; /* new length of the property */
/*
* Parameters: Node path, property, optional value.
*/
if (argc < 5)
return CMD_RET_USAGE;
subcmd = argv[2];
if (argc < 6 && subcmd[0] != 's')
return CMD_RET_USAGE;
var = argv[3];
pathp = argv[4];
prop = argv[5];
nodeoffset = fdt_path_offset(working_fdt, pathp);
if (nodeoffset < 0) {
/*
* Not found or something else bad happened.
*/
printf("libfdt fdt_path_offset() returned %s\n",
fdt_strerror(nodeoffset));
return 1;
}
if (subcmd[0] == 'n' || (subcmd[0] == 's' && argc == 5)) {
int reqIndex = -1;
int startDepth = fdt_node_depth(
working_fdt, nodeoffset);
int curDepth = startDepth;
int curIndex = -1;
int nextNodeOffset = fdt_next_node(
working_fdt, nodeoffset, &curDepth);
if (subcmd[0] == 'n')
reqIndex = simple_strtoul(argv[5], NULL, 16);
while (curDepth > startDepth) {
if (curDepth == startDepth + 1)
curIndex++;
if (subcmd[0] == 'n' && curIndex == reqIndex) {
const char *nodeName = fdt_get_name(
working_fdt, nextNodeOffset, NULL);
setenv(var, (char *)nodeName);
return 0;
}
nextNodeOffset = fdt_next_node(
working_fdt, nextNodeOffset, &curDepth);
if (nextNodeOffset < 0)
break;
}
if (subcmd[0] == 's') {
/* get the num nodes at this level */
setenv_ulong(var, curIndex + 1);
} else {
/* node index not found */
printf("libfdt node not found\n");
return 1;
}
} else {
nodep = fdt_getprop(
working_fdt, nodeoffset, prop, &len);
if (len == 0) {
/* no property value */
setenv(var, "");
return 0;
} else if (len > 0) {
if (subcmd[0] == 'v') {
int ret;
ret = fdt_value_setenv(nodep, len, var);
if (ret != 0)
return ret;
} else if (subcmd[0] == 'a') {
/* Get address */
char buf[11];
sprintf(buf, "0x%p", nodep);
setenv(var, buf);
} else if (subcmd[0] == 's') {
/* Get size */
char buf[11];
sprintf(buf, "0x%08X", len);
setenv(var, buf);
} else
return CMD_RET_USAGE;
return 0;
} else {
printf("libfdt fdt_getprop(): %s\n",
fdt_strerror(len));
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 */
char *prop; /* property */
int ret; /* return value */
static char root[2] = "/";
/*
* list is an alias for print, but limited to 1 level
*/
if (argv[1][0] == 'l') {
depth = 1;
}
/*
* Get the starting path. The root node is an oddball,
* the offset is zero and has no name.
*/
if (argc == 2)
pathp = root;
else
pathp = argv[2];
if (argc > 3)
prop = argv[3];
else
prop = NULL;
ret = fdt_print(pathp, prop, depth);
if (ret != 0)
return ret;
/*
* Remove a property/node
*/
} 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 (working_fdt, argv[2]);
if (nodeoffset < 0) {
/*
* Not found or something else bad happened.
*/
printf ("libfdt fdt_path_offset() returned %s\n",
fdt_strerror(nodeoffset));
return 1;
}
/*
* Do the delete. A fourth parameter means delete a property,
* otherwise delete the node.
*/
if (argc > 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(working_fdt, nodeoffset);
if (err < 0) {
printf("libfdt fdt_del_node(): %s\n",
fdt_strerror(err));
return err;
}
}
/*
* Display header info
*/
} else if (argv[1][0] == 'h') {
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(working_fdt));
if (version >= 2)
printf("boot_cpuid_phys:\t0x%x\n",
fdt_boot_cpuid_phys(working_fdt));
if (version >= 3)
printf("size_dt_strings:\t0x%x\n",
fdt_size_dt_strings(working_fdt));
if (version >= 17)
printf("size_dt_struct:\t\t0x%x\n",
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 (strncmp(argv[1], "boo", 3) == 0) {
unsigned long tmp = simple_strtoul(argv[2], NULL, 16);
fdt_set_boot_cpuid_phys(working_fdt, tmp);
/*
* memory command
*/
} else if (strncmp(argv[1], "me", 2) == 0) {
uint64_t addr, size;
int err;
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 (strncmp(argv[1], "rs", 2) == 0) {
if (argv[2][0] == 'p') {
uint64_t addr, size;
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(working_fdt, j, &addr, &size);
if (err < 0) {
printf("libfdt fdt_get_mem_rsv(): %s\n",
fdt_strerror(err));
return err;
}
printf(" %x\t%08x%08x\t%08x%08x\n", j,
(u32)(addr >> 32),
(u32)(addr & 0xffffffff),
(u32)(size >> 32),
(u32)(size & 0xffffffff));
}
} else if (argv[2][0] == 'a') {
/*
* Flattened Device Tree command, see the help for parameter definitions.
*/
int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
{
char op;
if (argc < 2) {
printf ("Usage:\n%s\n", cmdtp->usage);
return 1;
}
/*
* Figure out which subcommand was given
*/
op = argv[1][0];
/********************************************************************
* Set the address of the fdt
********************************************************************/
if (op == 'a') {
/*
* Set the address [and length] of the fdt.
*/
fdt = (struct fdt_header *)simple_strtoul(argv[2], NULL, 16);
if (!fdt_valid()) {
return 1;
}
if (argc >= 4) {
int len;
int err;
/*
* Optional new length
*/
len = simple_strtoul(argv[3], NULL, 16);
if (len < fdt_totalsize(fdt)) {
printf ("New length %d < existing length %d, ignoring.\n",
len, fdt_totalsize(fdt));
} else {
/*
* Open in place with a new length.
*/
err = fdt_open_into(fdt, fdt, len);
if (err != 0) {
printf ("libfdt: %s\n", fdt_strerror(err));
}
}
}
/********************************************************************
* Move the fdt
********************************************************************/
} else if (op == 'm' && argv[1][1] == 'o') {
struct fdt_header *newaddr;
int len;
int err;
if (argc != 5) {
printf ("Usage:\n%s\n", cmdtp->usage);
return 1;
}
/*
* Set the address and length of the fdt.
*/
fdt = (struct fdt_header *)simple_strtoul(argv[2], NULL, 16);
if (!fdt_valid()) {
return 1;
}
newaddr = (struct fdt_header *)simple_strtoul(argv[3], NULL, 16);
len = simple_strtoul(argv[4], NULL, 16);
if (len < fdt_totalsize(fdt)) {
printf ("New length %d < existing length %d, aborting.\n",
len, fdt_totalsize(fdt));
return 1;
}
/*
* Copy to the new location.
*/
err = fdt_open_into(fdt, newaddr, len);
if (err != 0) {
printf ("libfdt: %s\n", fdt_strerror(err));
return 1;
}
fdt = newaddr;
/********************************************************************
* mknode
********************************************************************/
} else if (op == 'm' && argv[1][1] == 'k') {
char *pathp = argv[2];
char *node = argv[3];
int nodeoffset;
if (argc != 4) {
printf ("Usage:\n%s\n", cmdtp->usage);
return 1;
}
/*
* See if the node already exists
*/
if (strcmp(pathp, "/") == 0)
nodeoffset = 0;
else
nodeoffset = fdt_path_offset (fdt, pathp);
if (nodeoffset < 0) {
printf("parent node %s doesn't exist\n", pathp);
return 1;
}
/*
* Create the new node
*/
nodeoffset = fdt_add_subnode(fdt, nodeoffset, node);
if (nodeoffset < 0) {
printf("libfdt: %s\n", fdt_strerror(nodeoffset));
return 1;
}
/********************************************************************
* Set the value of a node in the fdt.
********************************************************************/
} else if (op == 's') {
char *pathp; /* path */
char *prop; /* property */
struct fdt_property *nodep; /* node struct pointer */
char *newval; /* value from the user (as a string) */
char *vp; /* temporary value pointer */
char *cp; /* temporary char pointer */
int nodeoffset; /* node offset from libfdt */
int len; /* new length of the property */
int oldlen; /* original length of the property */
unsigned long tmp; /* holds converted values */
int ret; /* return value */
/*
* Parameters: Node path, property, value.
*/
if (argc < 5) {
printf ("Usage:\n%s\n", cmdtp->usage);
return 1;
}
pathp = argv[2];
prop = argv[3];
newval = argv[4];
if (strcmp(pathp, "/") == 0) {
nodeoffset = 0;
} else {
nodeoffset = fdt_path_offset (fdt, pathp);
if (nodeoffset < 0) {
/*
* Not found or something else bad happened.
*/
printf ("libfdt: %s\n", fdt_strerror(nodeoffset));
return 1;
}
}
nodep = fdt_getprop (fdt, nodeoffset, prop, &oldlen);
if (oldlen == 0) {
/*
* The specified property has no value
*/
printf("%s has no value, cannot set one (yet).\n", prop);
return 1;
} else {
/*
* Convert the new property
*/
vp = data;
if (*newval == '<') {
/*
* Bigger values than bytes.
*/
len = 0;
newval++;
while ((*newval != '>') && (*newval != '\0')) {
cp = newval;
tmp = simple_strtoul(cp, &newval, 16);
if ((newval - cp) <= 2) {
*vp = tmp & 0xFF;
vp += 1;
len += 1;
} else if ((newval - cp) <= 4) {
*(uint16_t *)vp = __cpu_to_be16(tmp);
vp += 2;
len += 2;
} else if ((newval - cp) <= 8) {
*(uint32_t *)vp = __cpu_to_be32(tmp);
vp += 4;
len += 4;
} else {
printf("Sorry, I could not convert \"%s\"\n", cp);
return 1;
}
while (*newval == ' ')
newval++;
}
if (*newval != '>') {
printf("Unexpected character '%c'\n", *newval);
return 1;
}
} else if (*newval == '[') {
/*
* Byte stream. Convert the values.
*/
len = 0;
newval++;
while ((*newval != ']') && (*newval != '\0')) {
tmp = simple_strtoul(newval, &newval, 16);
*vp++ = tmp & 0xFF;
len++;
while (*newval == ' ')
newval++;
}
if (*newval != ']') {
printf("Unexpected character '%c'\n", *newval);
return 1;
}
} else {
/*
* Assume it is a string. Copy it into our data area for
* convenience (including the terminating '\0').
*/
len = strlen(newval) + 1;
strcpy(data, newval);
}
ret = fdt_setprop(fdt, nodeoffset, prop, data, len);
if (ret < 0) {
printf ("libfdt %s\n", fdt_strerror(ret));
return 1;
}
}
/********************************************************************
* Print (recursive) / List (single level)
********************************************************************/
} else if ((op == 'p') || (op == 'l')) {
/*
* Recursively print (a portion of) the fdt.
*/
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";
int depth = MAX_LEVEL; /* how deep to print */
char *pathp; /* path */
char *prop; /* property */
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 */
/*
* list is an alias for print, but limited to 1 level
*/
if (op == 'l') {
depth = 1;
}
/*
* Get the starting path. The root node is an oddball,
* the offset is zero and has no name.
*/
pathp = argv[2];
if (argc > 3)
prop = argv[3];
else
prop = NULL;
if (strcmp(pathp, "/") == 0) {
nodeoffset = 0;
printf("/");
} else {
nodeoffset = fdt_path_offset (fdt, pathp);
if (nodeoffset < 0) {
/*
* Not found or something else bad happened.
*/
printf ("libfdt %s\n", fdt_strerror(nodeoffset));
return 1;
}
}
/*
* The user passed in a property as well as node path. Print only
* the given property and then return.
*/
if (prop) {
nodep = fdt_getprop (fdt, nodeoffset, prop, &len);
if (len == 0) {
printf("%s %s\n", pathp, prop); /* no property value */
return 0;
} else if (len > 0) {
printf("%s=", prop);
print_data (nodep, len);
printf("\n");
return 0;
} else {
printf ("libfdt %s\n", fdt_strerror(len));
return 1;
}
}
/*
* 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);
switch(tag) {
case FDT_BEGIN_NODE:
if(level <= depth)
printf("%s%s {\n", &tabs[MAX_LEVEL - level], pathp);
level++;
offstack[level] = nodeoffset;
if (level >= MAX_LEVEL) {
printf("Aaaiii <splat> nested too deep.\n");
return 1;
}
break;
case FDT_END_NODE:
level--;
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);
if (len < 0) {
printf ("libfdt %s\n", fdt_strerror(len));
return 1;
} else if (len == 0) {
/* the property has no value */
if(level <= depth)
printf("%s%s;\n", &tabs[MAX_LEVEL - level], pathp);
} else {
if(level <= depth) {
printf("%s%s=", &tabs[MAX_LEVEL - level], pathp);
print_data (nodep, len);
printf(";\n");
}
}
break;
case FDT_NOP:
break;
case FDT_END:
return 1;
default:
if(level <= depth)
printf("Unknown tag 0x%08X\n", tag);
return 1;
}
nodeoffset = nextoffset;
}
/********************************************************************
* Remove a property/node
********************************************************************/
} else if (op == 'r') {
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.
*/
if (strcmp(argv[2], "/") == 0) {
nodeoffset = 0;
} else {
nodeoffset = fdt_path_offset (fdt, argv[2]);
if (nodeoffset < 0) {
/*
* Not found or something else bad happened.
*/
printf ("libfdt %s\n", fdt_strerror(nodeoffset));
return 1;
}
}
/*
* Do the delete. A fourth parameter means delete a property,
* otherwise delete the node.
*/
if (argc > 3) {
err = fdt_delprop(fdt, nodeoffset, argv[3]);
if (err < 0) {
printf("fdt_delprop libfdt: %s\n", fdt_strerror(err));
return err;
}
} else {
err = fdt_del_node(fdt, nodeoffset);
if (err < 0) {
printf("fdt_del_node libfdt: %s\n", fdt_strerror(err));
return err;
}
}
/********************************************************************
* Create a chosen node
********************************************************************/
} else if (op == 'c') {
fdt_chosen(fdt, 0, 0, 1);
#ifdef CONFIG_OF_HAS_UBOOT_ENV
/********************************************************************
* Create a u-boot-env node
********************************************************************/
} else if (op == 'e') {
fdt_env(fdt);
#endif
#ifdef CONFIG_OF_HAS_BD_T
/********************************************************************
* Create a bd_t node
********************************************************************/
} else if (op == 'b') {
fdt_bd_t(fdt);
#endif
/********************************************************************
* Unrecognized command
********************************************************************/
} else {
printf ("Usage:\n%s\n", cmdtp->usage);
return 1;
}
return 0;
}
/*
* Flattened Device Tree command, see the help for parameter definitions.
*/
int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
{
if (argc < 2) {
printf ("Usage:\n%s\n", cmdtp->usage);
return 1;
}
/********************************************************************
* Set the address of the fdt
********************************************************************/
if (argv[1][0] == 'a') {
/*
* Set the address [and length] of the fdt.
*/
if (argc == 2) {
if (!fdt_valid()) {
return 1;
}
printf("The address of the fdt is %p\n", working_fdt);
return 0;
}
working_fdt = (struct fdt_header *)simple_strtoul(argv[2], NULL, 16);
if (!fdt_valid()) {
return 1;
}
if (argc >= 4) {
int len;
int err;
/*
* Optional new length
*/
len = simple_strtoul(argv[3], NULL, 16);
if (len < fdt_totalsize(working_fdt)) {
printf ("New length %d < existing length %d, "
"ignoring.\n",
len, fdt_totalsize(working_fdt));
} else {
/*
* Open in place with a new length.
*/
err = fdt_open_into(working_fdt, working_fdt, len);
if (err != 0) {
printf ("libfdt fdt_open_into(): %s\n",
fdt_strerror(err));
}
}
}
/********************************************************************
* 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;
}
/*
* Set the address and length of the fdt.
*/
working_fdt = (struct fdt_header *)simple_strtoul(argv[2], NULL, 16);
if (!fdt_valid()) {
return 1;
}
newaddr = (struct fdt_header *)simple_strtoul(argv[3],NULL,16);
/*
* If the user specifies a length, use that. Otherwise use the
* current length.
*/
if (argc <= 4) {
len = fdt_totalsize(working_fdt);
} else {
len = simple_strtoul(argv[4], NULL, 16);
if (len < fdt_totalsize(working_fdt)) {
printf ("New length 0x%X < existing length "
"0x%X, aborting.\n",
len, fdt_totalsize(working_fdt));
return 1;
}
}
/*
* Copy to the new location.
*/
err = fdt_open_into(working_fdt, newaddr, len);
if (err != 0) {
printf ("libfdt fdt_open_into(): %s\n",
fdt_strerror(err));
return 1;
}
working_fdt = newaddr;
/********************************************************************
* Make a new node
********************************************************************/
} else if (strncmp(argv[1], "mk", 2) == 0) {
char *pathp; /* path */
char *nodep; /* new node to add */
int nodeoffset; /* node offset from libfdt */
int err;
/*
* Parameters: Node path, new node to be appended to the path.
*/
if (argc < 4) {
printf ("Usage:\n%s\n", cmdtp->usage);
return 1;
}
pathp = argv[2];
nodep = argv[3];
nodeoffset = fdt_path_offset (working_fdt, pathp);
if (nodeoffset < 0) {
/*
* Not found or something else bad happened.
*/
printf ("libfdt fdt_path_offset() returned %s\n",
fdt_strerror(nodeoffset));
return 1;
}
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 working_fdt.
********************************************************************/
} else if (argv[1][0] == 's') {
char *pathp; /* path */
char *prop; /* property */
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, optional value.
*/
if (argc < 4) {
printf ("Usage:\n%s\n", cmdtp->usage);
return 1;
}
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) {
/*
* Not found or something else bad happened.
*/
printf ("libfdt fdt_path_offset() returned %s\n",
fdt_strerror(nodeoffset));
return 1;
}
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 */
char *prop; /* property */
int ret; /* return value */
static char root[2] = "/";
/*
* list is an alias for print, but limited to 1 level
*/
if (argv[1][0] == 'l') {
depth = 1;
}
/*
* Get the starting path. The root node is an oddball,
* the offset is zero and has no name.
*/
if (argc == 2)
pathp = root;
else
pathp = argv[2];
if (argc > 3)
prop = argv[3];
else
prop = NULL;
ret = fdt_print(pathp, prop, depth);
if (ret != 0)
return ret;
/********************************************************************
* Remove a property/node
********************************************************************/
} 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 (working_fdt, argv[2]);
if (nodeoffset < 0) {
/*
* Not found or something else bad happened.
*/
printf ("libfdt fdt_path_offset() returned %s\n",
fdt_strerror(nodeoffset));
return 1;
}
/*
* Do the delete. A fourth parameter means delete a property,
* otherwise delete the node.
*/
if (argc > 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(working_fdt, nodeoffset);
if (err < 0) {
printf("libfdt fdt_del_node(): %s\n",
fdt_strerror(err));
return err;
}
}
/********************************************************************
* Display header info
********************************************************************/
} else if (argv[1][0] == 'h') {
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(working_fdt));
if (version >= 2)
printf("boot_cpuid_phys:\t0x%x\n",
fdt_boot_cpuid_phys(working_fdt));
if (version >= 3)
printf("size_dt_strings:\t0x%x\n",
fdt_size_dt_strings(working_fdt));
if (version >= 17)
printf("size_dt_struct:\t\t0x%x\n",
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 (strncmp(argv[1], "boo", 3) == 0) {
unsigned long tmp = simple_strtoul(argv[2], NULL, 16);
fdt_set_boot_cpuid_phys(working_fdt, tmp);
/********************************************************************
* memory command
********************************************************************/
} 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(working_fdt, addr, size);
if (err < 0)
return err;
/********************************************************************
* mem reserve commands
********************************************************************/
} else if (strncmp(argv[1], "rs", 2) == 0) {
if (argv[2][0] == 'p') {
uint64_t addr, size;
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(working_fdt, j, &addr, &size);
if (err < 0) {
printf("libfdt fdt_get_mem_rsv(): %s\n",
fdt_strerror(err));
return err;
}
printf(" %x\t%08x%08x\t%08x%08x\n", j,
(u32)(addr >> 32),
(u32)(addr & 0xffffffff),
(u32)(size >> 32),
(u32)(size & 0xffffffff));
}
} else if (argv[2][0] == 'a') {
/*
* Flattened Device Tree command, see the help for parameter definitions.
*/
int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
{
if (argc < 2) {
printf ("Usage:\n%s\n", cmdtp->usage);
return 1;
}
/********************************************************************
* Set the address of the fdt
********************************************************************/
if (argv[1][0] == 'a') {
/*
* Set the address [and length] of the fdt.
*/
fdt = (struct fdt_header *)simple_strtoul(argv[2], NULL, 16);
if (!fdt_valid()) {
return 1;
}
if (argc >= 4) {
int len;
int err;
/*
* Optional new length
*/
len = simple_strtoul(argv[3], NULL, 16);
if (len < fdt_totalsize(fdt)) {
printf ("New length %d < existing length %d, "
"ignoring.\n",
len, fdt_totalsize(fdt));
} else {
/*
* Open in place with a new length.
*/
err = fdt_open_into(fdt, 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')) {
struct fdt_header *newaddr;
int len;
int err;
if (argc < 4) {
printf ("Usage:\n%s\n", cmdtp->usage);
return 1;
}
/*
* Set the address and length of the fdt.
*/
fdt = (struct fdt_header *)simple_strtoul(argv[2], NULL, 16);
if (!fdt_valid()) {
return 1;
}
newaddr = (struct fdt_header *)simple_strtoul(argv[3],NULL,16);
/*
* If the user specifies a length, use that. Otherwise use the
* current length.
*/
if (argc <= 4) {
len = fdt_totalsize(fdt);
} else {
len = simple_strtoul(argv[4], NULL, 16);
if (len < fdt_totalsize(fdt)) {
printf ("New length 0x%X < existing length "
"0x%X, aborting.\n",
len, fdt_totalsize(fdt));
return 1;
}
}
/*
* Copy to the new location.
*/
err = fdt_open_into(fdt, newaddr, len);
if (err != 0) {
printf ("libfdt fdt_open_into(): %s\n",
fdt_strerror(err));
return 1;
}
fdt = newaddr;
/********************************************************************
* Make a new node
********************************************************************/
} else if ((argv[1][0] == 'm') && (argv[1][1] == 'k')) {
char *pathp; /* path */
char *nodep; /* new node to add */
int nodeoffset; /* node offset from libfdt */
int err;
/*
* Parameters: Node path, new node to be appended to the path.
*/
if (argc < 4) {
printf ("Usage:\n%s\n", cmdtp->usage);
return 1;
}
pathp = argv[2];
nodep = argv[3];
nodeoffset = fdt_path_offset (fdt, pathp);
if (nodeoffset < 0) {
/*
* Not found or something else bad happened.
*/
printf ("libfdt fdt_path_offset() returned %s\n",
fdt_strerror(nodeoffset));
return 1;
}
err = fdt_add_subnode(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.
********************************************************************/
} 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.
*/
if (argc < 5) {
printf ("Usage:\n%s\n", cmdtp->usage);
return 1;
}
pathp = argv[2];
prop = argv[3];
newval = argv[4];
nodeoffset = fdt_path_offset (fdt, pathp);
if (nodeoffset < 0) {
/*
* Not found or something else bad happened.
*/
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) {
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 */
char *prop; /* property */
int ret; /* return value */
static char root[2] = "/";
/*
* list is an alias for print, but limited to 1 level
*/
if (argv[1][0] == 'l') {
depth = 1;
}
/*
* Get the starting path. The root node is an oddball,
* the offset is zero and has no name.
*/
if (argc == 2)
pathp = root;
else
pathp = argv[2];
if (argc > 3)
prop = argv[3];
else
prop = NULL;
ret = fdt_print(pathp, prop, depth);
if (ret != 0)
return ret;
/********************************************************************
* Remove a property/node
********************************************************************/
} else if (argv[1][0] == 'r') {
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]);
if (nodeoffset < 0) {
/*
* Not found or something else bad happened.
*/
printf ("libfdt fdt_path_offset() returned %s\n",
fdt_strerror(nodeoffset));
return 1;
}
/*
* Do the delete. A fourth parameter means delete a property,
* otherwise delete the node.
*/
if (argc > 3) {
err = fdt_delprop(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);
if (err < 0) {
printf("libfdt fdt_del_node(): %s\n",
fdt_strerror(err));
return err;
}
}
}
#ifdef CONFIG_OF_BOARD_SETUP
/* Call the board-specific fixup routine */
else if (argv[1][0] == 'b')
ft_board_setup(fdt, gd->bd);
#endif
/* Create a chosen node */
else if (argv[1][0] == 'c')
fdt_chosen(fdt, 0, 0, 1);
#ifdef CONFIG_OF_HAS_UBOOT_ENV
/* Create a u-boot-env node */
else if (argv[1][0] == 'e')
fdt_env(fdt);
#endif
#ifdef CONFIG_OF_HAS_BD_T
/* Create a bd_t node */
else if (argv[1][0] == 'b')
fdt_bd_t(fdt);
#endif
else {
/* Unrecognized command */
printf ("Usage:\n%s\n", cmdtp->usage);
return 1;
}
return 0;
}
