From 6acc07236562a5dc9cf9e29b2fd889f8643652f5 Mon Sep 17 00:00:00 2001
From: Simon Glass <sjg@chromium.org>
Date: Thu, 7 Sep 2023 09:58:20 -0600
Subject: [PATCH] x86: dm: Mark driver model as dead when disabling CAR
When turning off CAR, set the flag to make sure that nothing tries to use
driver model in SPL before jumping to U-Bot proper, since its tables are
in CAR.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
---
arch/x86/lib/spl.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/x86/lib/spl.c b/arch/x86/lib/spl.c
index 335dacf47f..c15f11f8cd 100644
--- a/arch/x86/lib/spl.c
+++ b/arch/x86/lib/spl.c
@@ -230,6 +230,9 @@ void board_init_f_r(void)
mtrr_commit(false);
init_cache();
gd->flags &= ~GD_FLG_SERIAL_READY;
+
+ /* make sure driver model is not accessed from now on */
+ gd->flags |= GD_FLG_DM_DEAD;
debug("cache status %d\n", dcache_status());
board_init_r(gd, 0);
}
--
2.39.5