binman: x86: Separate out 16-bit reset and init code

[oweals/u-boot.git] / tools / binman / etype / x86_start16_tpl.py

diff --git a/tools/binman/etype/x86_start16_tpl.py b/tools/binman/etype/x86_start16_tpl.py
index 46ce169ae0a6b9d4f04fdfccbee1df89c4c14ad9..5261a8adf04972ff8722574ed5ca9128601421bc 100644 (file)
--- a/tools/binman/etype/x86_start16_tpl.py
+++ b/tools/binman/etype/x86_start16_tpl.py
@@ -12,19 +12,21 @@ class Entry_x86_start16_tpl(Entry_blob):
     """x86 16-bit start-up code for TPL
 
     Properties / Entry arguments:
-        - filename: Filename of tpl/u-boot-x86-16bit-tpl.bin (default
-            'tpl/u-boot-x86-16bit-tpl.bin')
+        - filename: Filename of tpl/u-boot-x86-start16-tpl.bin (default
+            'tpl/u-boot-x86-start16-tpl.bin')
 
-    x86 CPUs start up in 16-bit mode, even if they are 64-bit CPUs. This code
-    must be placed at a particular address. This entry holds that code. It is
-    typically placed at offset CONFIG_SYS_X86_START16. The code is responsible
-    for changing to 32-bit mode and starting TPL, which in turn jumps to SPL.
+    x86 CPUs start up in 16-bit mode, even if they are 32-bit CPUs. This code
+    must be placed in the top 64KB of the ROM. The reset code jumps to it. This
+    entry holds that code. It is typically placed at offset
+    CONFIG_SYS_X86_START16. The code is responsible for changing to 32-bit mode
+    and jumping to U-Boot's entry point, which requires 32-bit mode (for 32-bit
+    U-Boot).
 
-    If TPL is not being used, the 'x86_start16_spl or 'x86_start16' entry types
+    If TPL is not being used, the 'x86-start16-spl or 'x86-start16' entry types
     may be used instead.
     """
     def __init__(self, section, etype, node):
         Entry_blob.__init__(self, section, etype, node)
 
     def GetDefaultFilename(self):
-        return 'tpl/u-boot-x86-16bit-tpl.bin'
+        return 'tpl/u-boot-x86-start16-tpl.bin'