diff options
| -rw-r--r-- | common/fdt_support.c | 41 |
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)); |