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Merge with git://git.kernel.org/pub/scm/boot/u-boot/galak/u-boot.git#device_tree

This commit is contained in:
Wolfgang Denk 2006-10-26 16:18:49 +02:00 committed by Wolfgang Denk
parent 5e3b0bc19f c76f951a74
commit b9e9adce0b
1 changed files with 55 additions and 6 deletions

61
common/cmd_bootm.c
View File

@ -531,6 +531,7 @@ do_bootm_linux (cmd_tbl_t *cmdtp, int flag,
image_header_t *hdr = &header;
#ifdef CONFIG_OF_FLAT_TREE
char *of_flat_tree = NULL;
ulong of_data = 0;
#endif
if ((s = getenv ("initrd_high")) != NULL) {
@ -745,11 +746,8 @@ do_bootm_linux (cmd_tbl_t *cmdtp, int flag,
if (*(ulong *)of_flat_tree == OF_DT_HEADER) {
#ifndef CFG_NO_FLASH
if (addr2info((ulong)of_flat_tree) != NULL) {
printf ("Cannot modify flat device tree stored in flash\n" \
"Copy to memory before using the bootm command\n");
return;
}
if (addr2info((ulong)of_flat_tree) != NULL)
of_data = (ulong)of_flat_tree;
#endif
} else if (ntohl(hdr->ih_magic) == IH_MAGIC) {
printf("## Flat Device Tree Image at %08lX\n", hdr);
@ -804,7 +802,39 @@ do_bootm_linux (cmd_tbl_t *cmdtp, int flag,
}
printf (" Booting using flat device tree at 0x%x\n",
of_flat_tree);
} else if(getenv("disable_of") == NULL) {
} else if ((hdr->ih_type==IH_TYPE_MULTI) && (len_ptr[1]) && (len_ptr[2])) {
u_long tail = ntohl(len_ptr[0]) % 4;
int i;
/* skip kernel length, initrd length, and terminator */
of_data = (ulong)(&len_ptr[3]);
/* skip any additional image length fields */
for (i=2; len_ptr[i]; ++i)
of_data += 4;
/* add kernel length, and align */
of_data += ntohl(len_ptr[0]);
if (tail) {
of_data += 4 - tail;
}
/* add initrd length, and align */
tail = ntohl(len_ptr[1]) % 4;
of_data += ntohl(len_ptr[1]);
if (tail) {
of_data += 4 - tail;
}
if (((struct boot_param_header *)of_data)->magic != OF_DT_HEADER) {
printf ("ERROR: image is not a flat device tree\n");
return;
}
if (((struct boot_param_header *)of_data)->totalsize != ntohl(len_ptr[2])) {
printf ("ERROR: flat device tree size does not agree with image\n");
return;
}
} else if (getenv("disable_of") == NULL) {
printf ("ERROR: bootm needs flat device tree as third argument\n");
return;
}
@ -900,6 +930,25 @@ do_bootm_linux (cmd_tbl_t *cmdtp, int flag,
(*kernel) (kbd, initrd_start, initrd_end, cmd_start, cmd_end);
#else
/* move of_flat_tree if needed */
if (of_data) {
ulong of_start, of_len;
of_len = ((struct boot_param_header *)of_data)->totalsize;
/* provide extra 8k pad */
if (initrd_start)
of_start = initrd_start - of_len - 8192;
else
of_start = (ulong)kbd - of_len - 8192;
of_start &= ~(4096 - 1); /* align on page */
debug ("## device tree at 0x%08lX ... 0x%08lX (len=%ld=0x%lX)\n",
of_data, of_data + of_len - 1, of_len, of_len);
of_flat_tree = (char *)of_start;
printf (" Loading Device Tree to %08lx, end %08lx ... ",
of_start, of_start + of_len - 1);
memmove ((void *)of_start, (void *)of_data, of_len);
}
ft_setup(of_flat_tree, kbd, initrd_start, initrd_end);
/* ft_dump_blob(of_flat_tree); */