2022-09-20 10:01:48 +00:00
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From 0b8dfe085180b58b81d2657c76b080168e3bc8df Mon Sep 17 00:00:00 2001
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From: Birger Koblitz <git@birger-koblitz.de>
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Date: Wed, 19 Jan 2022 18:14:02 +0100
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Subject: [PATCH] realtek: Add RTL931X sub-target
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We add the RTL931X sub-target with kernel configuration for
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a dual core MIPS InterAptive CPU.
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Submitted-by: Sebastian Gottschall <s.gottschall@dd-wrt.com>
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Submitted-by: Birger Koblitz <git@birger-koblitz.de>
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---
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arch/mips/Makefile | 10 +++++++++++++--
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arch/mips/kernel/head.S | 4 ++++
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aarch/mips/kernel/vmlinux.lds.S | 4 ++++
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3 files changed, 18 insertions(+), 2 deletions(-)
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2022-01-19 17:14:02 +00:00
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--- a/arch/mips/Makefile
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+++ b/arch/mips/Makefile
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@@ -307,14 +307,24 @@ endif
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KBUILD_AFLAGS += $(cflags-y)
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KBUILD_CFLAGS += $(cflags-y)
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+ifdef CONFIG_931X
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+KBUILD_CPPFLAGS += -DVMLINUX_LOAD_ADDRESS=$(load-y)
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+bootvars-y = VMLINUX_LOAD_ADDRESS=$(load-y) \
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+ VMLINUX_ENTRY_ADDRESS=$(entry-y) \
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+ PLATFORM="$(platform-y)" \
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+ ITS_INPUTS="$(its-y)"
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+else
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KBUILD_CPPFLAGS += -DVMLINUX_LOAD_ADDRESS=$(load-y) -DLINKER_LOAD_ADDRESS=$(load-ld)
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-KBUILD_CPPFLAGS += -DDATAOFFSET=$(if $(dataoffset-y),$(dataoffset-y),0)
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-
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bootvars-y = VMLINUX_LOAD_ADDRESS=$(load-y) \
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LINKER_LOAD_ADDRESS=$(load-ld) \
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VMLINUX_ENTRY_ADDRESS=$(entry-y) \
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PLATFORM="$(platform-y)" \
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ITS_INPUTS="$(its-y)"
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+endif
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+KBUILD_CPPFLAGS += -DDATAOFFSET=$(if $(dataoffset-y),$(dataoffset-y),0)
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+
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+
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+
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ifdef CONFIG_32BIT
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bootvars-y += ADDR_BITS=32
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endif
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--- a/arch/mips/kernel/head.S
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+++ b/arch/mips/kernel/head.S
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@@ -60,12 +60,14 @@
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.endm
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#ifndef CONFIG_NO_EXCEPT_FILL
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+#ifndef CONFIG_RTL931X
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/*
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* Reserved space for exception handlers.
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* Necessary for machines which link their kernels at KSEG0.
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*/
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.fill 0x400
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#endif
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+#endif
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EXPORT(_stext)
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--- a/arch/mips/kernel/vmlinux.lds.S
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+++ b/arch/mips/kernel/vmlinux.lds.S
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@@ -55,7 +55,11 @@ SECTIONS
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/* . = 0xa800000000300000; */
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. = 0xffffffff80300000;
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#endif
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+#ifdef CONFIG_RTL931X
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+ . = 0x80220000;
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+#else
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. = LINKER_LOAD_ADDRESS;
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+#endif
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/* read-only */
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_text = .; /* Text and read-only data */
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.text : {
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