[PATCH 17/23] handoff-data: Add BL32_DT_OVL entry

Marco Felsch m.felsch at pengutronix.de
Mon Nov 10 12:34:57 PST 2025


Add support to pass a BL32 provided FDT_OVL from pbl to barebox.

Signed-off-by: Marco Felsch <m.felsch at pengutronix.de>
---
 include/pbl/handoff-data.h | 1 +
 pbl/handoff-data.c         | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/include/pbl/handoff-data.h b/include/pbl/handoff-data.h
index 7552ed5fc35f351f71822d309095980eaa764f63..88b1e9c80331a279564c338e758bd4928861ed56 100644
--- a/include/pbl/handoff-data.h
+++ b/include/pbl/handoff-data.h
@@ -13,6 +13,7 @@ struct handoff_data {
 #define HANDOFF_DATA_EXTERNAL_DT	HANDOFF_DATA_BAREBOX(2)
 #define HANDOFF_DATA_ARM_MACHINE	HANDOFF_DATA_BAREBOX(3)
 #define HANDOFF_DATA_EFI		HANDOFF_DATA_BAREBOX(4)
+#define HANDOFF_DATA_BL32_DT_OVL	HANDOFF_DATA_BAREBOX(5)
 
 #define HANDOFF_DATA_BOARD(n)		(0x951726fb + (n))
 
diff --git a/pbl/handoff-data.c b/pbl/handoff-data.c
index 42e53f986bf14408f25cdf4434a5c284f8361401..2e1287cd69232d09b13384db3f1813737d67656e 100644
--- a/pbl/handoff-data.c
+++ b/pbl/handoff-data.c
@@ -189,6 +189,8 @@ static const char *handoff_data_entry_name(struct handoff_data_entry *hde)
 		return "handoff FDT (external)";
 	case HANDOFF_DATA_ARM_MACHINE:
 		return "ARM machine number";
+	case HANDOFF_DATA_BL32_DT_OVL:
+		return "handoff BL32 FDT overlay";
 	default:
 		sprintf(name, "handoff %08x", hde->cookie);
 		return name;

-- 
2.47.3




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