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Add support for passing initrd information via flat device tree

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Patch by Kumar Gala 11 Jan 2006
This commit is contained in:
Kumar Gala
2006-01-11 16:41:35 -06:00
parent c2871f0380
commit e559a6901a
4 changed files with 22 additions and 10 deletions
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11
common/ft_build.c
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@@ -163,7 +163,7 @@ void ft_add_rsvmap(struct ft_cxt *cxt, u64 physaddr, u64 size)
((u64 *) cxt->pres)[0] = cpu_to_be64(physaddr); /* phys = 0, size = 0, terminate */
((u64 *) cxt->pres)[1] = cpu_to_be64(size);
cxt->pres += 18; /* advance */
cxt->pres += 16; /* advance */
((u64 *) cxt->pres)[0] = 0; /* phys = 0, size = 0, terminate */
((u64 *) cxt->pres)[1] = 0;
@@ -577,7 +577,7 @@ static const struct {
};
#endif
void ft_setup(void *blob, int size, bd_t * bd)
void ft_setup(void *blob, int size, bd_t * bd, ulong initrd_start, ulong initrd_end)
{
u32 *p;
int len;
@@ -602,7 +602,8 @@ void ft_setup(void *blob, int size, bd_t * bd)
ft_begin(&cxt, blob, size);
/* fs_add_rsvmap not used */
if (initrd_start && initrd_end)
ft_add_rsvmap(&cxt, initrd_start, initrd_end - initrd_start + 1);
ft_begin_tree(&cxt);
@@ -645,6 +646,10 @@ void ft_setup(void *blob, int size, bd_t * bd)
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