[U-Boot] [PATCH v5 059/101] x86: Don't repeat microcode in U-Boot if not needed

Simon Glass sjg at chromium.org
Mon Nov 25 04:10:09 UTC 2019


At present if SPL sets up the microcode then it is still included in
U-Boot as well. This is wasteful as microcode is large. Adjust the logic
in the image to prevent this.

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

Changes in v5: None
Changes in v4: None
Changes in v3: None
Changes in v2: None

 arch/x86/dts/u-boot.dtsi | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/x86/dts/u-boot.dtsi b/arch/x86/dts/u-boot.dtsi
index 5ebff4f407..e0cca58640 100644
--- a/arch/x86/dts/u-boot.dtsi
+++ b/arch/x86/dts/u-boot.dtsi
@@ -63,9 +63,16 @@
 		offset = <CONFIG_X86_OFFSET_U_BOOT>;
 	};
 #else
+# ifdef CONFIG_SPL
+	u-boot {
+		offset = <CONFIG_SYS_TEXT_BASE>;
+	};
+# else
+	/* If there is no SPL then we need to put microcode in U-Boot */
 	u-boot-with-ucode-ptr {
 		offset = <CONFIG_X86_OFFSET_U_BOOT>;
 	};
+# endif
 #endif
 #ifdef CONFIG_HAVE_MICROCODE
 	u-boot-dtb-with-ucode {
-- 
2.24.0.432.g9d3f5f5b63-goog



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