From 0b8dfe085180b58b81d2657c76b080168e3bc8df Mon Sep 17 00:00:00 2001
From: Birger Koblitz <git@birger-koblitz.de>
Date: Wed, 19 Jan 2022 18:14:02 +0100
Subject: realtek: Add RTL931X sub-target

We add the RTL931X sub-target with kernel configuration for
a dual core MIPS InterAptive CPU.

Signed-off-by: Sebastian Gottschall <s.gottschall@dd-wrt.com>
Signed-off-by: Birger Koblitz <git@birger-koblitz.de>
---
 .../realtek/patches-5.10/312-rt9313-support.patch  | 74 ++++++++++++++++++++++
 1 file changed, 74 insertions(+)
 create mode 100644 target/linux/realtek/patches-5.10/312-rt9313-support.patch

(limited to 'target/linux/realtek/patches-5.10')

diff --git a/target/linux/realtek/patches-5.10/312-rt9313-support.patch b/target/linux/realtek/patches-5.10/312-rt9313-support.patch
new file mode 100644
index 0000000000..37a61106d2
--- /dev/null
+++ b/target/linux/realtek/patches-5.10/312-rt9313-support.patch
@@ -0,0 +1,74 @@
+--- a/arch/mips/Makefile
++++ b/arch/mips/Makefile
+@@ -307,14 +307,24 @@ endif
+ 
+ KBUILD_AFLAGS	+= $(cflags-y)
+ KBUILD_CFLAGS	+= $(cflags-y)
++ifdef CONFIG_931X
++KBUILD_CPPFLAGS += -DVMLINUX_LOAD_ADDRESS=$(load-y)
++bootvars-y	= VMLINUX_LOAD_ADDRESS=$(load-y) \
++		  VMLINUX_ENTRY_ADDRESS=$(entry-y) \
++		  PLATFORM="$(platform-y)" \
++		  ITS_INPUTS="$(its-y)"
++else
+ KBUILD_CPPFLAGS += -DVMLINUX_LOAD_ADDRESS=$(load-y) -DLINKER_LOAD_ADDRESS=$(load-ld)
+-KBUILD_CPPFLAGS += -DDATAOFFSET=$(if $(dataoffset-y),$(dataoffset-y),0)
+-
+ bootvars-y	= VMLINUX_LOAD_ADDRESS=$(load-y) \
+ 		  LINKER_LOAD_ADDRESS=$(load-ld) \
+ 		  VMLINUX_ENTRY_ADDRESS=$(entry-y) \
+ 		  PLATFORM="$(platform-y)" \
+ 		  ITS_INPUTS="$(its-y)"
++endif
++KBUILD_CPPFLAGS += -DDATAOFFSET=$(if $(dataoffset-y),$(dataoffset-y),0)
++
++
++
+ ifdef CONFIG_32BIT
+ bootvars-y	+= ADDR_BITS=32
+ endif
+--- a/arch/mips/kernel/head.S
++++ b/arch/mips/kernel/head.S
+@@ -60,12 +60,14 @@
+ 	.endm
+ 
+ #ifndef CONFIG_NO_EXCEPT_FILL
++#ifndef CONFIG_RTL931X
+ 	/*
+ 	 * Reserved space for exception handlers.
+ 	 * Necessary for machines which link their kernels at KSEG0.
+ 	 */
+ 	.fill	0x400
+ #endif
++#endif
+ 
+ EXPORT(_stext)
+ 
+@@ -79,11 +81,13 @@ FEXPORT(__kernel_entry)
+ 	j	kernel_entry
+ #endif /* CONFIG_BOOT_RAW */
+ 
++#ifndef CONFIG_RTL931X
+ #ifdef CONFIG_IMAGE_CMDLINE_HACK
+ 	.ascii	"CMDLINE:"
+ EXPORT(__image_cmdline)
+ 	.fill	0x400
+ #endif /* CONFIG_IMAGE_CMDLINE_HACK */
++#endif
+ 
+ 	__REF
+ 
+--- a/arch/mips/kernel/vmlinux.lds.S
++++ b/arch/mips/kernel/vmlinux.lds.S
+@@ -55,7 +55,11 @@ SECTIONS
+ 	/* . = 0xa800000000300000; */
+ 	. = 0xffffffff80300000;
+ #endif
++#ifdef CONFIG_RTL931X
++	. = 0x80220000;
++#else
+ 	. = LINKER_LOAD_ADDRESS;
++#endif
+ 	/* read-only */
+ 	_text = .;	/* Text and read-only data */
+ 	.text : {
-- 
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