x86: Add a script to aid code conversion from coreboot
It is useful to automate the process of converting code from coreboot a
little. Add a sed script which performs some common transformations.
Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/doc/README.x86 b/doc/README.x86
index 41acf0b..889373e 100644
--- a/doc/README.x86
+++ b/doc/README.x86
@@ -864,6 +864,15 @@
held in reset. For more details, check how they are implemented by the Intel
Galileo board support codes in board/intel/galileo/galileo.c.
+coreboot:
+
+See scripts/coreboot.sed which can assist with porting coreboot code into
+U-Boot drivers. It will not resolve all build errors, but will perform common
+transformations. Remember to add attribution to coreboot for new files added
+to U-Boot. This should go at the top of each file and list the coreboot
+filename where the code originated.
+
+
TODO List
---------
- Audio
diff --git a/scripts/coreboot.sed b/scripts/coreboot.sed
new file mode 100644
index 0000000..42e1f3a
--- /dev/null
+++ b/scripts/coreboot.sed
@@ -0,0 +1,17 @@
+#
+# Copyright (c) 2016 Google, Inc
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Script to convert coreboot code to something similar to what U-Boot uses
+# sed -f coreboot.sed <coreboot_file.c>
+# Remember to add attribution to coreboot for new files added to U-Boot.
+s/REG_RES_WRITE32(\(.*\), \(.*\), \(.*\)),/writel(\3, base + \2);/
+s/REG_RES_POLL32(\(.*\), \(.*\), \(.*\), \(.*\), \(.*\)),/ret = poll32(base + \2, \3, \4, \5);/
+s/REG_RES_OR32(\(.*\), \(.*\), \(.*\)),/setbits_le32(base + \2, \3);/
+s/REG_RES_RMW32(\(.*\), \(.*\), \(.*\), \(.*\)),/clrsetbits_le32(base + \2, ~\3, \4);/
+/REG_SCRIPT_END/d
+s/read32/readl/
+s/write32(\(.*\), \(.*\))/writel(\2, \1)/
+s/conf->/plat->/
+s/static const struct reg_script \(.*\)_script\[\] = {/static int \1(struct udevice *dev)/