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-rw-r--r--common/fdt_support.c41
1 files changed, 20 insertions, 21 deletions
diff --git a/common/fdt_support.c b/common/fdt_support.c
index ae714e7..324d6b9 100644
--- a/common/fdt_support.c
+++ b/common/fdt_support.c
@@ -32,18 +32,6 @@ static int get_cells_len(const void *fdt, const char *nr_cells_name)
return 4;
}
-/*
- * Write a 4 or 8 byte big endian cell
- */
-static void write_cell(u8 *addr, u64 val, int size)
-{
- int shift = (size - 1) * 8;
- while (size-- > 0) {
- *addr++ = (val >> shift) & 0xff;
- shift -= 8;
- }
-}
-
/**
* fdt_getprop_u32_default_node - Return a node's property or a default
*
@@ -212,11 +200,21 @@ static int fdt_fixup_stdout(void *fdt, int chosenoff)
}
#endif
+static inline int fdt_setprop_uxx(void *fdt, int nodeoffset, const char *name,
+ uint64_t val, int is_u64)
+{
+ if (is_u64)
+ return fdt_setprop_u64(fdt, nodeoffset, name, val);
+ else
+ return fdt_setprop_u32(fdt, nodeoffset, name, (uint32_t)val);
+}
+
+
int fdt_initrd(void *fdt, ulong initrd_start, ulong initrd_end)
{
- int nodeoffset, addr_cell_len;
+ int nodeoffset;
int err, j, total;
- fdt64_t tmp;
+ int is_u64;
uint64_t addr, size;
/* find or create "/chosen" node. */
@@ -248,19 +246,20 @@ int fdt_initrd(void *fdt, ulong initrd_start, ulong initrd_end)
return err;
}
- addr_cell_len = get_cells_len(fdt, "#address-cells");
+ is_u64 = (get_cells_len(fdt, "#address-cells") == 8);
+
+ err = fdt_setprop_uxx(fdt, nodeoffset, "linux,initrd-start",
+ (uint64_t)initrd_start, is_u64);
- write_cell((u8 *)&tmp, initrd_start, addr_cell_len);
- err = fdt_setprop(fdt, nodeoffset,
- "linux,initrd-start", &tmp, addr_cell_len);
if (err < 0) {
printf("WARNING: could not set linux,initrd-start %s.\n",
fdt_strerror(err));
return err;
}
- write_cell((u8 *)&tmp, initrd_end, addr_cell_len);
- err = fdt_setprop(fdt, nodeoffset,
- "linux,initrd-end", &tmp, addr_cell_len);
+
+ err = fdt_setprop_uxx(fdt, nodeoffset, "linux,initrd-end",
+ (uint64_t)initrd_end, is_u64);
+
if (err < 0) {
printf("WARNING: could not set linux,initrd-end %s.\n",
fdt_strerror(err));