expect it to be in bytes, others in MB.
Define CONFIG_MEMSIZE_IN_BYTES to make it in bytes.
- CONFIG_OF_LIBFDT / CONFIG_OF_FLAT_TREE
+ CONFIG_OF_LIBFDT
New kernel versions are expecting firmware settings to be
passed using flattened device trees (based on open firmware
* Adds the "fdt" command
* The bootm command automatically updates the fdt
- CONFIG_OF_FLAT_TREE
- * Deprecated, see CONFIG_OF_LIBFDT
- * Original ft_build.c-based support
- * Automatically modifies the dft as part of the bootm command
- * The environment variable "disable_of", when set,
- disables this functionality.
-
OF_CPU - The proper name of the cpus node.
OF_SOC - The proper name of the soc node.
OF_TBCLK - The timebase frequency.
#include <common.h>
#include <74xx_7xx.h>
-#if defined(CONFIG_OF_FLAT_TREE)
-#include <ft_build.h>
-extern void ft_cpu_setup (void *blob, bd_t *bd);
-#endif
+#include <fdt_support.h>
#undef DEBUG
return dram_size (board_type);
}
-#if defined(CONFIG_OF_FLAT_TREE) && defined(CONFIG_OF_BOARD_SETUP)
+#if defined(CONFIG_OF_BOARD_SETUP)
void
-ft_board_setup (void *blob, bd_t *bd)
+ft_board_setup(void *blob, bd_t *bd)
{
- u32 *p;
- int len;
-
- ft_cpu_setup (blob, bd);
-
- p = ft_get_prop (blob, "/memory/reg", &len);
- if (p != NULL) {
- *p++ = cpu_to_be32 (bd->bi_memstart);
- *p = cpu_to_be32 (bd->bi_memsize);
- }
+ ft_cpu_setup(blob, bd);
+ fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
}
#endif
#include <pci.h>
#include <asm/m8260_pci.h>
#endif
-#if CONFIG_OF_FLAT_TREE
-#include <ft_build.h>
-#include <image.h>
-#endif
#if 0
#define deb_printf(fmt,arg...) \
COBJS-y += exports.o
COBJS-y += flash.o
COBJS-y += fpga.o
-COBJS-y += ft_build.o
COBJS-y += hush.o
COBJS-y += kgdb.o
COBJS-y += lcd.o
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;
+
+/*
* Flattened Device Tree command, see the help for parameter definitions.
*/
int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
/*
* 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;
* 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
+ * Move the working_fdt
********************************************************************/
- } else if ((argv[1][0] == 'm') && (argv[1][1] == 'o')) {
+ } else if (strncmp(argv[1], "mo", 2) == 0) {
struct fdt_header *newaddr;
int len;
int err;
/*
* 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 */
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));
}
/********************************************************************
- * 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 */
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;
/********************************************************************
* 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_strtoul(argv[2], NULL, 16);
size = simple_strtoul(argv[3], NULL, 16);
#endif
- err = fdt_fixup_memory(fdt, addr, size);
+ 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));
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",
}
#ifdef CONFIG_OF_BOARD_SETUP
/* Call the board-specific fixup routine */
- else if (argv[1][0] == 'b')
- 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);
+ fdt_chosen(working_fdt, 0, 0, 1);
else {
/* Unrecognized command */
printf ("Usage:\n%s\n", cmdtp->usage);
{
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) {
+ if (fdt_version(working_fdt) <
+ FDT_FIRST_SUPPORTED_VERSION) {
printf (" - too old, fdt $d < %d",
- fdt_version(fdt),
+ fdt_version(working_fdt),
FDT_FIRST_SUPPORTED_VERSION);
- fdt = NULL;
+ working_fdt = NULL;
}
- if (fdt_last_comp_version(fdt) > FDT_LAST_SUPPORTED_VERSION) {
+ if (fdt_last_comp_version(working_fdt) >
+ FDT_LAST_SUPPORTED_VERSION) {
printf (" - too new, fdt $d > %d",
- fdt_version(fdt),
+ fdt_version(working_fdt),
FDT_LAST_SUPPORTED_VERSION);
- fdt = NULL;
+ working_fdt = NULL;
}
return 0;
}
/****************************************************************************/
/*
- * 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;
*/
DECLARE_GLOBAL_DATA_PTR;
-/*
- * fdt points to our working device tree.
- */
-struct fdt_header *fdt;
-
/**
* fdt_find_and_setprop: Find a node and set it's property
+++ /dev/null
-/*
- * OF flat tree builder
- * Written by: Pantelis Antoniou <pantelis.antoniou@gmail.com>
- * Updated by: Matthew McClintock <msm@freescale.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <malloc.h>
-#include <environment.h>
-
-#ifdef CONFIG_OF_FLAT_TREE
-
-#include <asm/errno.h>
-#include <stddef.h>
-
-#include <ft_build.h>
-#include <linux/ctype.h>
-
-#undef DEBUG
-
-/* align addr on a size boundary - adjust address up if needed -- Cort */
-#define _ALIGN(addr,size) (((addr)+(size)-1)&(~((size)-1)))
-#ifndef CONFIG_OF_BOOT_CPU
-#define CONFIG_OF_BOOT_CPU 0
-#endif
-#define SIZE_OF_RSVMAP_ENTRY (2*sizeof(u64))
-
-static void ft_put_word(struct ft_cxt *cxt, u32 v)
-{
- memmove(cxt->p + sizeof(u32), cxt->p, cxt->p_end - cxt->p);
-
- *(u32 *) cxt->p = cpu_to_be32(v);
- cxt->p += sizeof(u32);
- cxt->p_end += sizeof(u32);
-}
-
-static inline void ft_put_bin(struct ft_cxt *cxt, const void *data, int sz)
-{
- int aligned_size = ((u8 *)_ALIGN((unsigned long)cxt->p + sz,
- sizeof(u32))) - cxt->p;
-
- memmove(cxt->p + aligned_size, cxt->p, cxt->p_end - cxt->p);
-
- /* make sure the last bytes are zeroed */
- memset(cxt->p + aligned_size - (aligned_size % sizeof(u32)), 0,
- (aligned_size % sizeof(u32)));
-
- memcpy(cxt->p, data, sz);
-
- cxt->p += aligned_size;
- cxt->p_end += aligned_size;
-}
-
-void ft_begin_node(struct ft_cxt *cxt, const char *name)
-{
- ft_put_word(cxt, OF_DT_BEGIN_NODE);
- ft_put_bin(cxt, name, strlen(name) + 1);
-}
-
-void ft_end_node(struct ft_cxt *cxt)
-{
- ft_put_word(cxt, OF_DT_END_NODE);
-}
-
-void ft_nop(struct ft_cxt *cxt)
-{
- ft_put_word(cxt, OF_DT_NOP);
-}
-
-static int lookup_string(struct ft_cxt *cxt, const char *name)
-{
- u8 *p;
-
- p = cxt->p;
- while (p < cxt->p_end) {
- if (strcmp((char *)p, name) == 0)
- return p - cxt->p;
- p += strlen((char *)p) + 1;
- }
-
- return -1;
-}
-
-void ft_prop(struct ft_cxt *cxt, const char *name, const void *data, int sz)
-{
- int off = 0;
-
- off = lookup_string(cxt, name);
- if (off == -1) {
- memcpy(cxt->p_end, name, strlen(name) + 1);
- off = cxt->p_end - cxt->p;
- cxt->p_end += strlen(name) + 1;
- }
-
- /* now put offset from beginning of *STRUCTURE* */
- /* will be fixed up at the end */
- ft_put_word(cxt, OF_DT_PROP);
- ft_put_word(cxt, sz);
- ft_put_word(cxt, off);
- ft_put_bin(cxt, data, sz);
-}
-
-void ft_prop_str(struct ft_cxt *cxt, const char *name, const char *str)
-{
- ft_prop(cxt, name, str, strlen(str) + 1);
-}
-
-void ft_prop_int(struct ft_cxt *cxt, const char *name, int val)
-{
- u32 v = cpu_to_be32((u32) val);
-
- ft_prop(cxt, name, &v, sizeof(u32));
-}
-
-/* pick up and start working on a tree in place */
-void ft_init_cxt(struct ft_cxt *cxt, void *blob)
-{
- struct boot_param_header *bph = blob;
-
- memset(cxt, 0, sizeof(*cxt));
-
- cxt->bph = bph;
- bph->boot_cpuid_phys = CONFIG_OF_BOOT_CPU;
-
- /* find beginning and end of reserve map table (zeros in last entry) */
- cxt->p_rsvmap = (u8 *)bph + bph->off_mem_rsvmap;
- while ( ((uint64_t *)cxt->p_rsvmap)[0] != 0 &&
- ((uint64_t *)cxt->p_rsvmap)[1] != 0 ) {
- cxt->p_rsvmap += SIZE_OF_RSVMAP_ENTRY;
- }
-
- cxt->p_start = (u8 *)bph + bph->off_dt_struct;
- cxt->p_end = (u8 *)bph + bph->totalsize;
- cxt->p = (u8 *)bph + bph->off_dt_strings;
-}
-
-/* add a reserver physical area to the rsvmap */
-void ft_add_rsvmap(struct ft_cxt *cxt, u64 physstart, u64 physend)
-{
- memmove(cxt->p_rsvmap + SIZE_OF_RSVMAP_ENTRY, cxt->p_rsvmap,
- cxt->p_end - cxt->p_rsvmap);
-
- ((u64 *)cxt->p_rsvmap)[0] = cpu_to_be64(physstart);
- ((u64 *)cxt->p_rsvmap)[1] = cpu_to_be64(physend);
- ((u64 *)cxt->p_rsvmap)[2] = 0;
- ((u64 *)cxt->p_rsvmap)[3] = 0;
-
- cxt->p_rsvmap += SIZE_OF_RSVMAP_ENTRY;
- cxt->p_start += SIZE_OF_RSVMAP_ENTRY;
- cxt->p += SIZE_OF_RSVMAP_ENTRY;
- cxt->p_end += SIZE_OF_RSVMAP_ENTRY;
-}
-
-void ft_end_tree(struct ft_cxt *cxt)
-{
- ft_put_word(cxt, OF_DT_END);
-}
-
-/* update the boot param header with correct values */
-void ft_finalize_tree(struct ft_cxt *cxt) {
- struct boot_param_header *bph = cxt->bph;
-
- bph->totalsize = cxt->p_end - (u8 *)bph;
- bph->off_dt_struct = cxt->p_start - (u8 *)bph;
- bph->off_dt_strings = cxt->p - (u8 *)bph;
- bph->dt_strings_size = cxt->p_end - cxt->p;
-}
-
-static int is_printable_string(const void *data, int len)
-{
- const char *s = data;
- const char *ss;
-
- /* zero length is not */
- if (len == 0)
- return 0;
-
- /* must terminate with zero */
- if (s[len - 1] != '\0')
- return 0;
-
- ss = s;
- while (*s && isprint(*s))
- s++;
-
- /* not zero, or not done yet */
- if (*s != '\0' || (s + 1 - ss) < len)
- return 0;
-
- return 1;
-}
-
-static void print_data(const void *data, int len)
-{
- int i;
- const u8 *s;
-
- /* no data, don't print */
- if (len == 0)
- return;
-
- if (is_printable_string(data, len)) {
- puts(" = \"");
- puts(data);
- puts("\"");
- return;
- }
-
- switch (len) {
- case 1: /* byte */
- printf(" = <%02x>", (*(u8 *) data) & 0xff);
- break;
- case 2: /* half-word */
- printf(" = <%04x>", be16_to_cpu(*(u16 *) data) & 0xffff);
- break;
- case 4: /* word */
- printf(" = <%x>", be32_to_cpu(*(u32 *) data) & 0xffffffffU);
- break;
- case 8: /* double-word */
- printf(" = <%qx>", be64_to_cpu(*(uint64_t *) data));
- break;
- default: /* anything else... hexdump */
- printf(" = [");
- for (i = 0, s = data; i < len; i++)
- printf("%02x%s", s[i], i < len - 1 ? " " : "");
- printf("]");
-
- break;
- }
-}
-
-void ft_dump_blob(const void *bphp)
-{
- const struct boot_param_header *bph = bphp;
- const uint64_t *p_rsvmap = (const uint64_t *)
- ((const char *)bph + be32_to_cpu(bph->off_mem_rsvmap));
- const u32 *p_struct = (const u32 *)
- ((const char *)bph + be32_to_cpu(bph->off_dt_struct));
- const u32 *p_strings = (const u32 *)
- ((const char *)bph + be32_to_cpu(bph->off_dt_strings));
- u32 tag;
- const u32 *p;
- const char *s, *t;
- int depth, sz, shift;
- int i;
- uint64_t addr, size;
-
- if (be32_to_cpu(bph->magic) != OF_DT_HEADER) {
- /* not valid tree */
- return;
- }
-
- depth = 0;
- shift = 4;
-
- for (i = 0;; i++) {
- addr = be64_to_cpu(p_rsvmap[i * 2]);
- size = be64_to_cpu(p_rsvmap[i * 2 + 1]);
- if (addr == 0 && size == 0)
- break;
-
- printf("/memreserve/ %qx %qx;\n", addr, size);
- }
-
- p = p_struct;
- while ((tag = be32_to_cpu(*p++)) != OF_DT_END) {
-
- /* printf("tag: 0x%08x (%d)\n", tag, p - p_struct); */
-
- if (tag == OF_DT_BEGIN_NODE) {
- s = (const char *)p;
- p = (u32 *) _ALIGN((unsigned long)p + strlen(s) + 1, 4);
-
- printf("%*s%s {\n", depth * shift, "", s);
-
- depth++;
- continue;
- }
-
- if (tag == OF_DT_END_NODE) {
- depth--;
-
- printf("%*s};\n", depth * shift, "");
- continue;
- }
-
- if (tag == OF_DT_NOP) {
- printf("%*s[NOP]\n", depth * shift, "");
- continue;
- }
-
- if (tag != OF_DT_PROP) {
- fprintf(stderr, "%*s ** Unknown tag 0x%08x at 0x%x\n",
- depth * shift, "", tag, --p);
- break;
- }
- sz = be32_to_cpu(*p++);
- s = (const char *)p_strings + be32_to_cpu(*p++);
- t = (const char *)p;
- p = (const u32 *)_ALIGN((unsigned long)p + sz, 4);
- printf("%*s%s", depth * shift, "", s);
- print_data(t, sz);
- printf(";\n");
- }
-}
-
-void ft_backtrack_node(struct ft_cxt *cxt)
-{
- int i = 4;
-
- while (be32_to_cpu(*(u32 *) (cxt->p - i)) != OF_DT_END_NODE)
- i += 4;
-
- memmove (cxt->p - i, cxt->p, cxt->p_end - cxt->p);
-
- cxt->p_end -= i;
- cxt->p -= i;
-}
-
-void *ft_get_prop(void *bphp, const char *propname, int *szp)
-{
- struct boot_param_header *bph = bphp;
- uint32_t *p_struct =
- (uint32_t *) ((char *)bph + be32_to_cpu(bph->off_dt_struct));
- uint32_t *p_strings =
- (uint32_t *) ((char *)bph + be32_to_cpu(bph->off_dt_strings));
- uint32_t version = be32_to_cpu(bph->version);
- uint32_t tag;
- uint32_t *p;
- char *s, *t;
- char *ss;
- int sz;
- static char path[256], prop[256];
-
- path[0] = '\0';
-
- p = p_struct;
- while ((tag = be32_to_cpu(*p++)) != OF_DT_END) {
-
- if (tag == OF_DT_BEGIN_NODE) {
- s = (char *)p;
- p = (uint32_t *) _ALIGN((unsigned long)p + strlen(s) +
- 1, 4);
- strcat(path, s);
- strcat(path, "/");
- continue;
- }
-
- if (tag == OF_DT_END_NODE) {
- path[strlen(path) - 1] = '\0';
- ss = strrchr(path, '/');
- if (ss != NULL)
- ss[1] = '\0';
- continue;
- }
-
- if (tag == OF_DT_NOP)
- continue;
-
- if (tag != OF_DT_PROP)
- break;
-
- sz = be32_to_cpu(*p++);
- s = (char *)p_strings + be32_to_cpu(*p++);
- if (version < 0x10 && sz >= 8)
- p = (uint32_t *) _ALIGN((unsigned long)p, 8);
- t = (char *)p;
- p = (uint32_t *) _ALIGN((unsigned long)p + sz, 4);
-
- strcpy(prop, path);
- strcat(prop, s);
-
- if (strcmp(prop, propname) == 0) {
- *szp = sz;
- return t;
- }
- }
-
- return NULL;
-}
-
-/********************************************************************/
-
-void ft_setup(void *blob, bd_t * bd, ulong initrd_start, ulong initrd_end)
-{
- u32 *p;
- int len;
- struct ft_cxt cxt;
- ulong clock;
-
- /* disable OF tree; booting old kernel */
- if (getenv("disable_of") != NULL) {
- memcpy(blob, bd, sizeof(*bd));
- return;
- }
-
-#ifdef DEBUG
- printf ("recieved oftree\n");
- ft_dump_blob(blob);
-#endif
-
- ft_init_cxt(&cxt, blob);
-
- if (initrd_start && initrd_end)
- ft_add_rsvmap(&cxt, initrd_start, initrd_end - initrd_start + 1);
-
- /* back into root */
- ft_backtrack_node(&cxt);
-
- ft_begin_node(&cxt, "chosen");
- ft_prop_str(&cxt, "name", "chosen");
-
- ft_prop_str(&cxt, "bootargs", getenv("bootargs"));
- ft_prop_int(&cxt, "linux,platform", 0x600); /* what is this? */
- if (initrd_start && initrd_end) {
- ft_prop_int(&cxt, "linux,initrd-start", initrd_start);
- ft_prop_int(&cxt, "linux,initrd-end", initrd_end);
- }
-#ifdef OF_STDOUT_PATH
- ft_prop_str(&cxt, "linux,stdout-path", OF_STDOUT_PATH);
-#endif
-
- ft_end_node(&cxt);
-
- ft_end_node(&cxt); /* end root */
-
- ft_end_tree(&cxt);
- ft_finalize_tree(&cxt);
-
-#ifdef CONFIG_PPC
- clock = bd->bi_intfreq;
- p = ft_get_prop(blob, "/cpus/" OF_CPU "/clock-frequency", &len);
- if (p != NULL)
- *p = cpu_to_be32(clock);
-
-#ifdef OF_TBCLK
- clock = OF_TBCLK;
- p = ft_get_prop(blob, "/cpus/" OF_CPU "/timebase-frequency", &len);
- if (p != NULL)
- *p = cpu_to_be32(clock);
-#endif
-#endif /* __powerpc__ */
-
-#ifdef CONFIG_OF_BOARD_SETUP
- ft_board_setup(blob, bd);
-#endif
-
- /* in case the size changed in the platform code */
- ft_finalize_tree(&cxt);
-
-#ifdef DEBUG
- printf("final OF-tree\n");
- ft_dump_blob(blob);
-#endif
-}
-#endif
#include <74xx_7xx.h>
#include <asm/cache.h>
-#if defined(CONFIG_OF_FLAT_TREE)
-#include <ft_build.h>
+#if defined(CONFIG_OF_LIBFDT)
+#include <libfdt.h>
+#include <fdt_support.h>
#endif
#ifdef CONFIG_AMIGAONEG3SE
/* ------------------------------------------------------------------------- */
-#ifdef CONFIG_OF_FLAT_TREE
-void
-ft_cpu_setup (void *blob, bd_t *bd)
+#ifdef CONFIG_OF_LIBFDT
+void ft_cpu_setup(void *blob, bd_t *bd)
{
- u32 *p;
- ulong clock;
- int len;
-
- clock = bd->bi_busfreq;
+ do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
+ "timebase-frequency", bd->bi_busfreq / 4, 1);
+ do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
+ "bus-frequency", bd->bi_busfreq, 1);
+ do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
+ "clock-frequency", bd->bi_intfreq, 1);
- p = ft_get_prop (blob, "/cpus/" OF_CPU "/bus-frequency", &len);
- if (p != NULL)
- *p = cpu_to_be32 (clock);
+ fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
-#if defined(CONFIG_TSI108_ETH)
- p = ft_get_prop (blob, "/" OF_TSI "/ethernet@6200/address", &len);
- memcpy (p, bd->bi_enetaddr, 6);
-#endif
-
-#if defined(CONFIG_HAS_ETH1)
- p = ft_get_prop (blob, "/" OF_TSI "/ethernet@6600/address", &len);
- memcpy (p, bd->bi_enet1addr, 6);
-#endif
+ fdt_fixup_ethernet(blob, bd);
}
#endif
/* ------------------------------------------------------------------------- */
#include <pci.h>
#include <asm/io.h>
#include <tsi108.h>
-#ifdef CONFIG_OF_FLAT_TREE
-#include <ft_build.h>
+#if defined(CONFIG_OF_LIBFDT)
+#include <libfdt.h>
+#include <fdt_support.h>
#endif
struct pci_controller local_hose;
return;
}
-#ifdef CONFIG_OF_FLAT_TREE
-void
-ft_pci_setup (void *blob, bd_t *bd)
+#if defined(CONFIG_OF_LIBFDT)
+void ft_pci_setup(void *blob, bd_t *bd)
{
- u32 *p;
- int len;
-
- p = (u32 *)ft_get_prop (blob, "/" OF_TSI "/pci@1000/bus-range", &len);
- if (p != NULL) {
- p[0] = local_hose.first_busno;
- p[1] = local_hose.last_busno;
+ int nodeoffset;
+ int tmp[2];
+ const char *path;
+
+ nodeoffset = fdt_path_offset(blob, "/aliases");
+ if (nodeoffset >= 0) {
+ path = fdt_getprop(blob, nodeoffset, "pci", NULL);
+ if (path) {
+ tmp[0] = cpu_to_be32(local_hose.first_busno);
+ tmp[1] = cpu_to_be32(local_hose.last_busno);
+ do_fixup_by_path(blob, path, "bus-range",
+ &tmp, sizeof(tmp), 1);
+ }
}
-
}
-#endif
+#endif /* CONFIG_OF_LIBFDT */
#endif /* CONFIG_TSI108_PCI */
#define CONFIG_BOARD_EARLY_INIT_R
#define CONFIG_MISC_INIT_R
+#define CONFIG_HAS_ETH0
#define CONFIG_HAS_ETH1
#define CONFIG_ENV_OVERWRITE
#define CFG_PROMPT_HUSH_PS2 "> "
/* Pass open firmware flat tree */
-#define CONFIG_OF_FLAT_TREE 1
+#define CONFIG_OF_LIBFDT 1
#define CONFIG_OF_BOARD_SETUP 1
#define OF_CPU "PowerPC,7448@0"
/*****************************************************************************/
-/* pass open firmware flat tree */
-#define CONFIG_OF_FLAT_TREE 1
+/* pass open firmware flattened device tree */
+#define CONFIG_OF_LIBFDT 1
#define OF_CPU "PowerPC,MPC870@0"
#define OF_TBCLK (MPC8XX_HZ / 16)
+++ /dev/null
-/*
- * OF Flat tree builder
- *
- */
-
-#ifndef FT_BUILD_H
-#define FT_BUILD_H
-
-#include <linux/types.h>
-#include <asm/u-boot.h>
-
-/* Definitions used by the flattened device tree */
-#define OF_DT_HEADER 0xd00dfeed /* marker */
-#define OF_DT_BEGIN_NODE 0x1 /* Start of node, full name */
-#define OF_DT_END_NODE 0x2 /* End node */
-#define OF_DT_PROP 0x3 /* Property: name off, size,
- * content */
-#define OF_DT_NOP 0x4 /* nop */
-#define OF_DT_END 0x9
-
-#define OF_DT_VERSION 0x10
-
-struct boot_param_header {
- u32 magic; /* magic word OF_DT_HEADER */
- u32 totalsize; /* total size of DT block */
- u32 off_dt_struct; /* offset to structure */
- u32 off_dt_strings; /* offset to strings */
- u32 off_mem_rsvmap; /* offset to memory reserve map */
- u32 version; /* format version */
- u32 last_comp_version; /* last compatible version */
- /* version 2 fields below */
- u32 boot_cpuid_phys; /* Physical CPU id we're booting on */
- /* version 3 fields below */
- u32 dt_strings_size; /* size of the DT strings block */
-};
-
-struct ft_cxt {
- struct boot_param_header *bph;
- u8 *p_rsvmap;
- u8 *p_start; /* pointer to beginning of dt_struct */
- u8 *p_end; /* pointer to end of dt_strings */
- u8 *p; /* pointer to end of dt_struct and beginning of dt_strings */
-};
-
-void ft_begin_node(struct ft_cxt *cxt, const char *name);
-void ft_init_cxt(struct ft_cxt *cxt, void *blob);
-void ft_end_node(struct ft_cxt *cxt);
-
-void ft_end_tree(struct ft_cxt *cxt);
-void ft_finalize_tree(struct ft_cxt *cxt);
-
-void ft_nop(struct ft_cxt *cxt);
-void ft_prop(struct ft_cxt *cxt, const char *name, const void *data, int sz);
-void ft_prop_str(struct ft_cxt *cxt, const char *name, const char *str);
-void ft_prop_int(struct ft_cxt *cxt, const char *name, int val);
-void ft_begin(struct ft_cxt *cxt, void *blob, int max_size);
-void ft_add_rsvmap(struct ft_cxt *cxt, u64 physaddr, u64 size);
-
-void ft_setup(void *blob, bd_t * bd, ulong initrd_start, ulong initrd_end);
-
-void ft_dump_blob(const void *bphp);
-void ft_merge_blob(struct ft_cxt *cxt, void *blob);
-void *ft_get_prop(void *bphp, const char *propname, int *szp);
-
-#ifdef CONFIG_OF_BOARD_SETUP
-void ft_board_setup(void *blob, bd_t *bd);
-void ft_cpu_setup(void *blob, bd_t *bd);
-void ft_pci_setup(void *blob, bd_t *bd);
-#endif
-
-#endif
#include <stddef.h>
#include <asm/byteorder.h>
-extern struct fdt_header *fdt; /* Pointer to the working fdt */
+extern struct fdt_header *working_fdt; /* Pointer to the working fdt */
#define fdt32_to_cpu(x) __be32_to_cpu(x)
#define cpu_to_fdt32(x) __cpu_to_be32(x)
*of_flat_tree = (char *)of_start;
} else {
*of_flat_tree = fdt_blob;
- lmb_reserve(lmb, (ulong)fdt, of_len);
+ lmb_reserve(lmb, (ulong)working_fdt, of_len);
}
return 0;
return tag;
}
+int _fdt_check_node_offset(const void *fdt, int offset)
+{
+ if ((offset < 0) || (offset % FDT_TAGSIZE)
+ || (fdt_next_tag(fdt, offset, &offset) != FDT_BEGIN_NODE))
+ return -FDT_ERR_BADOFFSET;
+
+ return offset;
+}
+
int fdt_next_node(const void *fdt, int offset, int *depth)
{
int nextoffset = 0;
uint32_t tag;
- if (offset >= 0) {
- tag = fdt_next_tag(fdt, offset, &nextoffset);
- if (tag != FDT_BEGIN_NODE)
- return -FDT_ERR_BADOFFSET;
- }
+ if (offset >= 0)
+ if ((nextoffset = _fdt_check_node_offset(fdt, offset)) < 0)
+ return nextoffset;
do {
offset = nextoffset;
const char *fdt_get_name(const void *fdt, int nodeoffset, int *len)
{
- const struct fdt_node_header *nh;
+ const struct fdt_node_header *nh = _fdt_offset_ptr(fdt, nodeoffset);
int err;
- if ((err = fdt_check_header(fdt)) != 0)
- goto fail;
-
- err = -FDT_ERR_BADOFFSET;
- nh = fdt_offset_ptr(fdt, nodeoffset, sizeof(*nh));
- if (!nh || (fdt32_to_cpu(nh->tag) != FDT_BEGIN_NODE))
- goto fail;
+ if (((err = fdt_check_header(fdt)) != 0)
+ || ((err = _fdt_check_node_offset(fdt, nodeoffset)) < 0))
+ goto fail;
if (len)
*len = strlen(nh->name);
int offset, nextoffset;
int err;
- if ((err = fdt_check_header(fdt)) != 0)
- goto fail;
-
- err = -FDT_ERR_BADOFFSET;
- if (nodeoffset % FDT_TAGSIZE)
- goto fail;
-
- tag = fdt_next_tag(fdt, nodeoffset, &nextoffset);
- if (tag != FDT_BEGIN_NODE)
- goto fail;
+ if (((err = fdt_check_header(fdt)) != 0)
+ || ((err = _fdt_check_node_offset(fdt, nodeoffset)) < 0))
+ goto fail;
+ nextoffset = err;
do {
offset = nextoffset;
struct fdt_reserve_entry *re;
int err;
- if ((err = rw_check_header(fdt)))
- return err;
+ RW_CHECK_HEADER(fdt);
re = _fdt_mem_rsv_w(fdt, fdt_num_mem_rsv(fdt));
err = _blob_splice_mem_rsv(fdt, re, 0, 1);
struct fdt_reserve_entry *re = _fdt_mem_rsv_w(fdt, n);
int err;
- if ((err = rw_check_header(fdt)))
- return err;
+ RW_CHECK_HEADER(fdt);
+
if (n >= fdt_num_mem_rsv(fdt))
return -FDT_ERR_NOTFOUND;
static int _add_property(void *fdt, int nodeoffset, const char *name, int len,
struct fdt_property **prop)
{
- uint32_t tag;
int proplen;
int nextoffset;
int namestroff;
int err;
- tag = fdt_next_tag(fdt, nodeoffset, &nextoffset);
- if (tag != FDT_BEGIN_NODE)
- return -FDT_ERR_BADOFFSET;
+ if ((nextoffset = _fdt_check_node_offset(fdt, nodeoffset)) < 0)
+ return nextoffset;
namestroff = _find_add_string(fdt, name);
if (namestroff < 0)
int oldlen, newlen;
int err;
- if ((err = rw_check_header(fdt)))
- return err;
+ RW_CHECK_HEADER(fdt);
namep = (char *)fdt_get_name(fdt, nodeoffset, &oldlen);
if (!namep)
struct fdt_property *prop;
int err;
- if ((err = rw_check_header(fdt)))
- return err;
+ RW_CHECK_HEADER(fdt);
err = _resize_property(fdt, nodeoffset, name, len, &prop);
if (err == -FDT_ERR_NOTFOUND)
int fdt_pack(void *fdt)
{
int mem_rsv_size;
- int err;
- err = rw_check_header(fdt);
- if (err)
- return err;
+ RW_CHECK_HEADER(fdt);
mem_rsv_size = (fdt_num_mem_rsv(fdt)+1)
* sizeof(struct fdt_reserve_entry);
#include "libfdt_internal.h"
-static int check_header_sw(void *fdt)
+static int sw_check_header(void *fdt)
{
if (fdt_magic(fdt) != SW_MAGIC)
return -FDT_ERR_BADMAGIC;
+ /* FIXME: should check more details about the header state */
return 0;
}
+#define SW_CHECK_HEADER(fdt) \
+ { \
+ int err; \
+ if ((err = sw_check_header(fdt)) != 0) \
+ return err; \
+ }
+
static void *grab_space(void *fdt, int len)
{
int offset = fdt_size_dt_struct(fdt);
int fdt_add_reservemap_entry(void *fdt, uint64_t addr, uint64_t size)
{
struct fdt_reserve_entry *re;
- int err = check_header_sw(fdt);
int offset;
- if (err)
- return err;
+ SW_CHECK_HEADER(fdt);
+
if (fdt_size_dt_struct(fdt))
return -FDT_ERR_BADSTATE;
int fdt_begin_node(void *fdt, const char *name)
{
struct fdt_node_header *nh;
- int err = check_header_sw(fdt);
int namelen = strlen(name) + 1;
- if (err)
- return err;
+ SW_CHECK_HEADER(fdt);
nh = grab_space(fdt, sizeof(*nh) + ALIGN(namelen, FDT_TAGSIZE));
if (! nh)
int fdt_end_node(void *fdt)
{
uint32_t *en;
- int err = check_header_sw(fdt);
- if (err)
- return err;
+ SW_CHECK_HEADER(fdt);
en = grab_space(fdt, FDT_TAGSIZE);
if (! en)
int fdt_property(void *fdt, const char *name, const void *val, int len)
{
struct fdt_property *prop;
- int err = check_header_sw(fdt);
int nameoff;
- if (err)
- return err;
+ SW_CHECK_HEADER(fdt);
nameoff = find_add_string(fdt, name);
if (nameoff == 0)
int fdt_finish(void *fdt)
{
- int err = check_header_sw(fdt);
char *p = (char *)fdt;
uint32_t *end;
int oldstroffset, newstroffset;
uint32_t tag;
int offset, nextoffset;
- if (err)
- return err;
+ SW_CHECK_HEADER(fdt);
/* Add terminator */
end = grab_space(fdt, sizeof(*end));
}
uint32_t _fdt_next_tag(const void *fdt, int startoffset, int *nextoffset);
+int _fdt_check_node_offset(const void *fdt, int offset);
const char *_fdt_find_string(const char *strtab, int tabsize, const char *s);
int _fdt_node_end_offset(void *fdt, int nodeoffset);
projects / platform / kernel / u-boot.git / commitdiff