Allow to pass a machine type number as directly as boarddata. This makes
it easy for non device tree boards to pass a machine type and to
identify themselves during runtime.
Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
---
arch/arm/cpu/start.c | 14 +++++++++++++-
1 file changed, 13 insertions(+), 1 deletion(-)
diff --git a/arch/arm/cpu/start.c b/arch/arm/cpu/start.c
index c97b2770c4..0c2e9fb9a8 100644
--- a/arch/arm/cpu/start.c
+++ b/arch/arm/cpu/start.c
@@ -193,7 +193,19 @@ __noreturn void barebox_non_pbl_start(unsigned long membase,
uint32_t totalsize = 0;
const char *name;
- if (blob_is_fdt(boarddata)) {
+ if ((unsigned long)boarddata < 8192) {
+ struct barebox_arm_boarddata *bd;
+ uint32_t machine_type = (uint32_t)boarddata;
+ unsigned long mem = arm_mem_boarddata(membase, endmem,
+ sizeof(*bd));
+ pr_debug("found machine type %d in boarddata\n",
+ machine_type);
+ bd = barebox_boarddata = (void *)mem;
+ barebox_boarddata_size = sizeof(*bd);
+ bd->magic = BAREBOX_ARM_BOARDDATA_MAGIC;
+ bd->machine = machine_type;
+ malloc_end = mem;
+ } else if (blob_is_fdt(boarddata)) {
totalsize = get_unaligned_be32(boarddata + 4);
name = "DTB";
} else if (blob_is_compressed_fdt(boarddata)) {
--
2.23.0
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