[U-Boot] [PATCH v2 14/50] x86: Support booting with TPL

[Simon Glass]

Some boards want to use TPL as the first phase of U-Boot. This allows
selection of A or B SPL phases, thus allowing the memory init to be
upgraded in the field.

Add a new Kconfig option for this.

Signed-off-by: Simon Glass <sjg at chromium.org>
Reviewed-by: Bin Meng <bmeng.cn at gmail.com>
---

Changes in v2: None

 arch/x86/Kconfig | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 185f0ef8c40..45a533625a6 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -176,10 +176,17 @@ config X86_16BIT_INIT
 config SPL_X86_16BIT_INIT
 	bool
 	depends on X86_RESET_VECTOR
-	default y if X86_RESET_VECTOR && SPL
+	default y if X86_RESET_VECTOR && SPL && !TPL
 	help
 	  This is enabled when 16-bit init is in SPL
 
+config TPL_X86_16BIT_INIT
+	bool
+	depends on X86_RESET_VECTOR
+	default y if X86_RESET_VECTOR && TPL
+	help
+	  This is enabled when 16-bit init is in TPL
+
 config X86_32BIT_INIT
 	bool
 	depends on X86_RESET_VECTOR
-- 
2.21.0.593.g511ec345e18-goog