From e28fcb2279912e83eb789bef942f928a77d5ba46 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Sun, 6 Mar 2016 19:28:17 -0700 Subject: [PATCH] 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 Acked-by: Bin Meng --- doc/README.x86 | 9 +++++++++ scripts/coreboot.sed | 17 +++++++++++++++++ 2 files changed, 26 insertions(+) create mode 100644 scripts/coreboot.sed diff --git a/doc/README.x86 b/doc/README.x86 index 41acf0bb92..889373efbf 100644 --- a/doc/README.x86 +++ b/doc/README.x86 @@ -864,6 +864,15 @@ PCIe root port's configuration registers will cause system hang while it is 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 0000000000..42e1f3aea7 --- /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 +# 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)/