On a Raspberry Pi 2 disagreements on cell endianness can be observed:
U-Boot> fdt print /soc/gpio@7e200000 phandle
phandle = <0x0000000d>
U-Boot> fdt get value myvar /soc/gpio@7e200000 phandle; printenv myvar
myvar=0x0D000000
Fix this by always treating the pointer as BE and converting it in
fdt_value_setenv(), like its counterpart fdt_parse_prop() already does.
Consistently use fdt32_t, fdt32_to_cpu() and cpu_to_fdt32().
Fixes: bc80295 ("fdt: Add get commands to fdt")
Cc: Joe Hershberger <joe.hershber...@ni.com>
Cc: Gerald Van Baren <g...@unssw.com>
Signed-off-by: Andreas Färber <afaer...@suse.de>
---
cmd/fdt.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/cmd/fdt.c b/cmd/fdt.c
index 8bd345a..42397d1 100644
--- a/cmd/fdt.c
+++ b/cmd/fdt.c
@@ -58,7 +58,7 @@ static int fdt_value_setenv(const void *nodep, int len, const
char *var)
else if (len == 4) {
char buf[11];
- sprintf(buf, "0x%08X", *(uint32_t *)nodep);
+ sprintf(buf, "0x%08X", fdt32_to_cpu(*(fdt32_t *)nodep));
setenv(var, buf);
} else if (len%4 == 0 && len <= 20) {
/* Needed to print things like sha1 hashes. */
@@ -764,7 +764,7 @@ static int fdt_parse_prop(char * const *newval, int count,
char *data, int *len)
cp = newp;
tmp = simple_strtoul(cp, &newp, 0);
- *(__be32 *)data = __cpu_to_be32(tmp);
+ *(fdt32_t *)data = cpu_to_fdt32(tmp);
data += 4;
*len += 4;
--
2.10.2
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