#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>
+#include <fdt_support.h>
#define MAX_LEVEL 32 /* how deeply nested we will go */
-#define SCRATCHPAD 1024 /* bytes of scratchpad memory */
+#define SCRATCHPAD 1024 /* bytes of scratchpad memory */
/*
* Global data (for the gd->bd)
*/
DECLARE_GLOBAL_DATA_PTR;
-/*
- * Scratchpad memory.
- */
-static char data[SCRATCHPAD];
-
-
-/*
- * Function prototypes/declarations.
- */
static int fdt_valid(void);
-static void print_data(const void *data, int len);
-static int fdt_chosen(void *fdt, ulong initrd_start, ulong initrd_end);
-static int fdt_env(void *fdt);
-static int fdt_bd_t(void *fdt);
-
+static int fdt_parse_prop(char *pathp, char *prop, char *newval,
+ char *data, int *len);
+static int fdt_print(const char *pathp, char *prop, int depth);
/*
* 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') {
+ if (argv[1][0] == 'a') {
/*
* Set the address [and length] of the fdt.
*/
/*
* 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",
+ printf ("New length %d < existing length %d, "
+ "ignoring.\n",
len, fdt_totalsize(fdt));
} else {
/*
*/
err = fdt_open_into(fdt, fdt, len);
if (err != 0) {
- printf ("libfdt: %s\n", fdt_strerror(err));
+ printf ("libfdt fdt_open_into(): %s\n",
+ fdt_strerror(err));
}
}
}
/********************************************************************
* Move the fdt
********************************************************************/
- } else if (op == 'm') {
+ } else if ((argv[1][0] == 'm') && (argv[1][1] == 'o')) {
struct fdt_header *newaddr;
int len;
int err;
- if (argc != 5) {
+ if (argc < 4) {
printf ("Usage:\n%s\n", cmdtp->usage);
return 1;
}
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;
+ 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;
+ }
}
/*
*/
err = fdt_open_into(fdt, newaddr, len);
if (err != 0) {
- printf ("libfdt: %s\n", fdt_strerror(err));
+ printf ("libfdt fdt_open_into(): %s\n",
+ fdt_strerror(err));
return 1;
}
fdt = newaddr;
/********************************************************************
- * Set the value of a node in the fdt.
+ * Make a new node
********************************************************************/
- } else if (op == 's') {
+ } else if ((argv[1][0] == 'm') && (argv[1][1] == 'k')) {
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 */
+ char *nodep; /* new node to add */
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 */
+ int err;
/*
- * Parameters: Node path, property, value.
+ * Parameters: Node path, new node to be appended to the path.
*/
- if (argc < 5) {
+ if (argc < 4) {
printf ("Usage:\n%s\n", cmdtp->usage);
return 1;
}
- pathp = argv[2];
- prop = argv[3];
- newval = argv[4];
+ pathp = argv[2];
+ nodep = argv[3];
- 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) {
- printf ("libfdt %s\n", fdt_strerror(oldlen));
- return 1;
- } else if (oldlen == 0) {
+ nodeoffset = fdt_path_offset (fdt, pathp);
+ if (nodeoffset < 0) {
/*
- * The specified property has no value
+ * Not found or something else bad happened.
*/
- printf("%s has no value, cannot set one (yet).\n", prop);
+ 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 */
+ 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(pathp, prop, argv[4], data, &len);
+ if (ret != 0)
+ return ret;
+ }
+
+ nodeoffset = fdt_path_offset (fdt, pathp);
+ if (nodeoffset < 0) {
/*
- * Convert the new property
+ * Not found or something else bad happened.
*/
- 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);
- }
+ printf ("libfdt fdt_path_offset() returned %s\n",
+ fdt_strerror(nodeoffset));
+ return 1;
+ }
- ret = fdt_setprop(fdt, nodeoffset, prop, data, len);
- if (ret < 0) {
- printf ("libfdt %s\n", fdt_strerror(ret));
- return 1;
- }
+ 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 ((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";
+ } else if ((argv[1][0] == 'p') || (argv[1][0] == 'l')) {
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 */
+ char *prop; /* property */
+ int ret; /* return value */
+ static char root[2] = "/";
/*
* list is an alias for print, but limited to 1 level
*/
- if (op == 'l') {
+ 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.
*/
- pathp = argv[2];
+ if (argc == 2)
+ pathp = root;
+ else
+ 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;
- }
+ ret = fdt_print(pathp, prop, depth);
+ if (ret != 0)
+ return ret;
/********************************************************************
* Remove a property/node
********************************************************************/
- } else if (op == 'r') {
+ } else if ((argv[1][0] == 'r') && (argv[1][1] == 'm')) {
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;
- }
+ 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,
if (argc > 3) {
err = fdt_delprop(fdt, nodeoffset, argv[3]);
if (err < 0) {
- printf("fdt_delprop libfdt: %s\n", fdt_strerror(err));
+ printf("libfdt fdt_delprop(): %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));
+ printf("libfdt fdt_del_node(): %s\n",
+ fdt_strerror(err));
return err;
}
}
/********************************************************************
- * Create a chosen node
+ * Display header info
********************************************************************/
- } else if (op == 'c') {
- fdt_chosen(fdt, 0, 0);
+ } 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));
+ printf("version:\t\t%d\n", version);
+ printf("last_comp_version:\t%d\n", fdt_last_comp_version(fdt));
+ if (version >= 2)
+ printf("boot_cpuid_phys:\t0x%x\n",
+ fdt_boot_cpuid_phys(fdt));
+ if (version >= 3)
+ printf("size_dt_strings:\t0x%x\n",
+ fdt_size_dt_strings(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));
+ printf("\n");
/********************************************************************
- * Create a u-boot-env node
+ * Set boot cpu id
********************************************************************/
- } else if (op == 'e') {
- fdt_env(fdt);
+ } else if ((argv[1][0] == 'b') && (argv[1][1] == 'o') &&
+ (argv[1][2] == 'o')) {
+ unsigned long tmp = simple_strtoul(argv[2], NULL, 16);
+ fdt_set_boot_cpuid_phys(fdt, tmp);
/********************************************************************
- * Create a bd_t node
+ * memory command
********************************************************************/
- } else if (op == 'b') {
- fdt_bd_t(fdt);
+ } else if ((argv[1][0] == 'm') && (argv[1][1] == 'e')) {
+ 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);
+ if (err < 0)
+ return err;
/********************************************************************
- * Unrecognized command
+ * mem reserve commands
********************************************************************/
- } else {
+ } else if ((argv[1][0] == 'r') && (argv[1][1] == 's')) {
+ if (argv[2][0] == 'p') {
+ uint64_t addr, size;
+ int total = fdt_num_mem_rsv(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);
+ 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') {
+ 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);
+
+ if (err < 0) {
+ printf("libfdt fdt_add_mem_rsv(): %s\n",
+ fdt_strerror(err));
+ return err;
+ }
+ } else if (argv[2][0] == 'd') {
+ unsigned long idx = simple_strtoul(argv[3], NULL, 16);
+ int err = fdt_del_mem_rsv(fdt, idx);
+
+ if (err < 0) {
+ printf("libfdt fdt_del_mem_rsv(): %s\n",
+ fdt_strerror(err));
+ return err;
+ }
+ } else {
+ /* Unrecognized command */
+ printf ("Usage:\n%s\n", cmdtp->usage);
+ return 1;
+ }
+ }
+#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);
+ else {
+ /* Unrecognized command */
printf ("Usage:\n%s\n", cmdtp->usage);
return 1;
}
return 0;
}
-/********************************************************************/
+/****************************************************************************/
static int fdt_valid(void)
{
+ int err;
+
if (fdt == NULL) {
- printf ("The address of the fdt is invalid.\n");
+ printf ("The address of the fdt is invalid (NULL).\n");
return 0;
}
- if (!fdt || (fdt_magic(fdt) != FDT_MAGIC)) {
- fdt = NULL;
- printf ("Unrecognized fdt: bad magic\n");
- return 0;
- }
- if (fdt_version(fdt) < FDT_FIRST_SUPPORTED_VERSION) {
- printf ("Unsupported fdt version: $d < %d\n",
- FDT_FIRST_SUPPORTED_VERSION, fdt_version(fdt));
- fdt = NULL;
- return 0;
- }
- if (fdt_last_comp_version(fdt) > FDT_LAST_SUPPORTED_VERSION) {
- printf ("Unsupported fdt version: $d > %d\n",
- fdt_version(fdt), FDT_LAST_SUPPORTED_VERSION);
- fdt = NULL;
+
+ err = fdt_check_header(fdt);
+ if (err == 0)
+ return 1; /* valid */
+
+ if (err < 0) {
+ printf("libfdt fdt_check_header(): %s", fdt_strerror(err));
+ /*
+ * 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),
+ FDT_FIRST_SUPPORTED_VERSION);
+ fdt = NULL;
+ }
+ if (fdt_last_comp_version(fdt) > FDT_LAST_SUPPORTED_VERSION) {
+ printf (" - too new, fdt $d > %d",
+ fdt_version(fdt),
+ FDT_LAST_SUPPORTED_VERSION);
+ fdt = NULL;
+ }
+ return 0;
+ }
+ printf("\n");
return 0;
}
return 1;
}
-/********************************************************************/
+/****************************************************************************/
+
+/*
+ * Parse the user's input, partially heuristic. Valid formats:
+ * <00> - hex byte
+ * <0011> - hex half word (16 bits)
+ * <00112233> - hex word (32 bits)
+ * - hex double words (64 bits) are not supported, must use
+ * a byte stream instead.
+ * [00 11 22 .. nn] - byte stream
+ * "string" - If the the value doesn't start with "<" or "[", it is
+ * treated as a string. Note that the quotes are
+ * stripped by the parser before we get the string.
+ */
+static int fdt_parse_prop(char *pathp, char *prop, char *newval,
+ char *data, int *len)
+{
+ char *cp; /* temporary char pointer */
+ unsigned long tmp; /* holds converted values */
+
+ 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) {
+ *data = tmp & 0xFF;
+ data += 1;
+ *len += 1;
+ } else if ((newval - cp) <= 4) {
+ *(uint16_t *)data = __cpu_to_be16(tmp);
+ data += 2;
+ *len += 2;
+ } else if ((newval - cp) <= 8) {
+ *(uint32_t *)data = __cpu_to_be32(tmp);
+ data += 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);
+ *data++ = tmp & 0xFF;
+ *len = *len + 1;
+ 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);
+ }
+ return 0;
+}
+
+/****************************************************************************/
/*
- * OF flat tree handling
- * Written by: Pantelis Antoniou <pantelis.antoniou@gmail.com>
- * Updated by: Matthew McClintock <msm@freescale.com>
- * Converted to libfdt by: Gerald Van Baren <vanbaren@cideas.com>
+ * Heuristic to guess if this is a string or concatenated strings.
*/
static int is_printable_string(const void *data, int len)
return 1;
}
+
+/*
+ * Print the property in the best format, a heuristic guess. Print as
+ * a string, concatenated strings, a byte, word, double word, or (if all
+ * else fails) it is printed as a stream of bytes.
+ */
static void print_data(const void *data, int len)
{
int j;
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 */
}
}
-/********************************************************************/
+/****************************************************************************/
-static int fdt_chosen(void *fdt, ulong initrd_start, ulong initrd_end)
+/*
+ * Recursively print (a portion of) the fdt. The depth parameter
+ * determines how deeply nested the fdt is printed.
+ */
+static int fdt_print(const char *pathp, char *prop, int depth)
{
- bd_t *bd = gd->bd;
- int nodeoffset;
- int err;
- u32 tmp; /* used to set 32 bit integer properties */
- char *str; /* used to set string properties */
- ulong clock;
-
- if (initrd_start && initrd_end) {
- err = fdt_add_reservemap_entry(fdt,
- initrd_start, initrd_end - initrd_start + 1);
- if (err < 0) {
- printf("libfdt: %s\n", fdt_strerror(err));
- return err;
- }
- }
-
- /*
- * See if we already have a "chosen" node, create it if not.
- */
- nodeoffset = fdt_path_offset (fdt, "/chosen");
+ 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";
+ 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_path_offset (fdt, pathp);
if (nodeoffset < 0) {
/*
- * Create a new node "/chosen" (offset 0 is root level)
+ * Not found or something else bad happened.
*/
- nodeoffset = fdt_add_subnode(fdt, 0, "chosen");
- if (nodeoffset < 0) {
- printf("libfdt: %s\n", fdt_strerror(nodeoffset));
- return nodeoffset;
- }
- }
-
- str = getenv("bootargs");
- if (str != NULL) {
- err = fdt_setprop(fdt, nodeoffset, "bootargs", str, strlen(str)+1);
- if (err < 0)
- printf("libfdt: %s\n", fdt_strerror(err));
- }
- if (initrd_start && initrd_end) {
- tmp = __cpu_to_be32(initrd_start);
- err = fdt_setprop(fdt, nodeoffset, "linux,initrd-start", &tmp, sizeof(tmp));
- if (err < 0)
- printf("libfdt: %s\n", fdt_strerror(err));
- tmp = __cpu_to_be32(initrd_end);
- err = fdt_setprop(fdt, nodeoffset, "linux,initrd-end", &tmp, sizeof(tmp));
- if (err < 0)
- printf("libfdt: %s\n", fdt_strerror(err));
- }
-#ifdef OF_STDOUT_PATH
- err = fdt_setprop(fdt, nodeoffset, "linux,stdout-path", OF_STDOUT_PATH, strlen(OF_STDOUT_PATH)+1);
- if (err < 0)
- printf("libfdt: %s\n", fdt_strerror(err));
-#endif
-
- nodeoffset = fdt_path_offset (fdt, "/cpus");
- if (nodeoffset >= 0) {
- clock = cpu_to_be32(bd->bi_intfreq);
- err = fdt_setprop(fdt, nodeoffset, "clock-frequency", &clock, 4);
- if (err < 0)
- printf("libfdt: %s\n", fdt_strerror(err));
- }
-#ifdef OF_TBCLK
- nodeoffset = fdt_path_offset (fdt, "/cpus/" OF_CPU "/timebase-frequency");
- if (nodeoffset >= 0) {
- clock = cpu_to_be32(OF_TBCLK);
- err = fdt_setprop(fdt, nodeoffset, "clock-frequency", &clock, 4);
- if (err < 0)
- printf("libfdt: %s\n", fdt_strerror(err));
- }
-#endif
-}
-
-/********************************************************************/
-
-#ifdef CONFIG_OF_HAS_BD_T
-
-/* Function that returns a character from the environment */
-extern uchar(*env_get_char) (int);
-
-#define BDM(x) { .name = #x, .offset = offsetof(bd_t, bi_ ##x ) }
-
-static const struct {
- const char *name;
- int offset;
-} bd_map[] = {
- BDM(memstart),
- BDM(memsize),
- BDM(flashstart),
- BDM(flashsize),
- BDM(flashoffset),
- BDM(sramstart),
- BDM(sramsize),
-#if defined(CONFIG_5xx) || defined(CONFIG_8xx) || defined(CONFIG_8260) \
- || defined(CONFIG_E500)
- BDM(immr_base),
-#endif
-#if defined(CONFIG_MPC5xxx)
- BDM(mbar_base),
-#endif
-#if defined(CONFIG_MPC83XX)
- BDM(immrbar),
-#endif
-#if defined(CONFIG_MPC8220)
- BDM(mbar_base),
- BDM(inpfreq),
- BDM(pcifreq),
- BDM(pevfreq),
- BDM(flbfreq),
- BDM(vcofreq),
-#endif
- BDM(bootflags),
- BDM(ip_addr),
- BDM(intfreq),
- BDM(busfreq),
-#ifdef CONFIG_CPM2
- BDM(cpmfreq),
- BDM(brgfreq),
- BDM(sccfreq),
- BDM(vco),
-#endif
-#if defined(CONFIG_MPC5xxx)
- BDM(ipbfreq),
- BDM(pcifreq),
-#endif
- BDM(baudrate),
-};
-
-static int fdt_env(void *fdt)
-{
- int nodeoffset;
- int err;
- int k, nxt;
- int i;
- static char tmpenv[256];
-
- /*
- * See if we already have a "u-boot-env" node, delete it if so.
- * Then create a new empty node.
- */
- nodeoffset = fdt_path_offset (fdt, "/u-boot-env");
- if (nodeoffset >= 0) {
- err = fdt_del_node(fdt, nodeoffset);
- if (err < 0) {
- printf("libfdt: %s\n", fdt_strerror(err));
- return err;
- }
+ printf ("libfdt fdt_path_offset() returned %s\n",
+ fdt_strerror(nodeoffset));
+ return 1;
}
/*
- * Create a new node "/u-boot-env" (offset 0 is root level)
+ * The user passed in a property as well as node path.
+ * Print only the given property and then return.
*/
- nodeoffset = fdt_add_subnode(fdt, 0, "u-boot-env");
- if (nodeoffset < 0) {
- printf("libfdt: %s\n", fdt_strerror(nodeoffset));
- return nodeoffset;
- }
-
- for (i = 0; env_get_char(i) != '\0'; i = nxt + 1) {
- char *s, *lval, *rval;
-
- /*
- * Find the end of the name=definition
- */
- for (nxt = i; env_get_char(nxt) != '\0'; ++nxt)
- ;
- s = tmpenv;
- for (k = i; k < nxt && s < &tmpenv[sizeof(tmpenv) - 1]; ++k)
- *s++ = env_get_char(k);
- *s++ = '\0';
- lval = tmpenv;
- /*
- * Find the first '=': it separates the name from the value
- */
- s = strchr(tmpenv, '=');
- if (s != NULL) {
- *s++ = '\0';
- rval = s;
- } else
- continue;
- err = fdt_setprop(fdt, nodeoffset, lval, rval, strlen(rval)+1);
- if (err < 0) {
- printf("\"%s\" - libfdt: %s\n", lval, fdt_strerror(err));
- return err;
+ if (prop) {
+ nodep = fdt_getprop (fdt, nodeoffset, prop, &len);
+ if (len == 0) {
+ /* no property value */
+ printf("%s %s\n", pathp, prop);
+ return 0;
+ } else if (len > 0) {
+ printf("%s = ", prop);
+ print_data (nodep, len);
+ printf("\n");
+ return 0;
+ } else {
+ printf ("libfdt fdt_getprop(): %s\n",
+ fdt_strerror(len));
+ return 1;
}
}
- return 0;
-}
-#endif /* CONFIG_OF_HAS_UBOOT_ENV */
-
-/********************************************************************/
-
-#ifdef CONFIG_OF_HAS_BD_T
-static int fdt_bd_t(void *fdt)
-{
- bd_t *bd = gd->bd;
- int nodeoffset;
- int err;
- u32 tmp; /* used to set 32 bit integer properties */
- int i;
/*
- * See if we already have a "bd_t" node, delete it if so.
- * Then create a new empty node.
+ * The user passed in a node path and no property,
+ * print the node and all subnodes.
*/
- nodeoffset = fdt_path_offset (fdt, "/bd_t");
- if (nodeoffset >= 0) {
- err = fdt_del_node(fdt, nodeoffset);
- if (err < 0) {
- printf("libfdt: %s\n", fdt_strerror(err));
- return err;
+ while(level >= 0) {
+ tag = fdt_next_tag(fdt, nodeoffset, &nextoffset);
+ switch(tag) {
+ case FDT_BEGIN_NODE:
+ 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++;
+ if (level >= MAX_LEVEL) {
+ printf("Nested too deep, aborting.\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:
+ 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)
+ 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:
+ printf("/* NOP */\n", &tabs[MAX_LEVEL - level]);
+ break;
+ case FDT_END:
+ return 1;
+ default:
+ if (level <= depth)
+ printf("Unknown tag 0x%08X\n", tag);
+ return 1;
}
+ nodeoffset = nextoffset;
}
- /*
- * Create a new node "/bd_t" (offset 0 is root level)
- */
- nodeoffset = fdt_add_subnode(fdt, 0, "bd_t");
- if (nodeoffset < 0) {
- printf("libfdt: %s\n", fdt_strerror(nodeoffset));
- return nodeoffset;
- }
- /*
- * Use the string/pointer structure to create the entries...
- */
- for (i = 0; i < sizeof(bd_map)/sizeof(bd_map[0]); i++) {
- tmp = cpu_to_be32(getenv("bootargs"));
- err = fdt_setprop(fdt, nodeoffset, bd_map[i].name, &tmp, sizeof(tmp));
- if (err < 0)
- printf("libfdt: %s\n", fdt_strerror(err));
- }
- /*
- * Add a couple of oddball entries...
- */
- err = fdt_setprop(fdt, nodeoffset, "enetaddr", &bd->bi_enetaddr, 6);
- if (err < 0)
- printf("libfdt: %s\n", fdt_strerror(err));
- err = fdt_setprop(fdt, nodeoffset, "ethspeed", &bd->bi_ethspeed, 4);
- if (err < 0)
- printf("libfdt: %s\n", fdt_strerror(err));
-
-#ifdef CONFIG_OF_BOARD_SETUP
- ft_board_setup(fdt, bd);
-#endif
-
return 0;
}
-#endif /* CONFIG_OF_HAS_BD_T */
/********************************************************************/
fdt, 5, 0, do_fdt,
"fdt - flattened device tree utility commands\n",
"addr <addr> [<length>] - Set the fdt location to <addr>\n"
- "fdt move <fdt> <newaddr> <length> - Copy the fdt 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 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 mknode <path> <node> - Create a new node after <path>\n"
"fdt rm <path> [<prop>] - Delete the node or <property>\n"
- "fdt chosen - Add/update the \"/chosen\" branch in the tree\n"
-#ifdef CONFIG_OF_HAS_UBOOT_ENV
- "fdt env - Add/replace the \"/u-boot-env\" branch in the tree\n"
-#endif
-#ifdef CONFIG_OF_HAS_BD_T
- "fdt bd_t - Add/replace the \"/bd_t\" branch in the tree\n"
-#endif
- "Hints:\n"
- " * Set a larger length with the fdt addr command to add to the blob.\n"
- " * If the property you are setting/printing has a '#' character,\n"
- " you MUST escape it with a \\ character or quote it with \" or\n"
- " it will be ignored as a comment.\n"
- " * If the value has spaces in it, you MUST escape the spaces with\n"
- " \\ characters 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"
+ "fdt header - Display header info\n"
+ "fdt bootcpu <id> - Set boot cpuid\n"
+ "fdt memory <addr> <size> - Add/Update memory node\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"
);
-
-#endif /* CONFIG_OF_FLAT_TREE */
projects / karo-tx-uboot.git / blobdiff