target/linux/realtek/patches-5.10/312-rt9313-support.patch

   1 From 0b8dfe085180b58b81d2657c76b080168e3bc8df Mon Sep 17 00:00:00 2001
   2 From: Birger Koblitz <git@birger-koblitz.de>
   3 Date: Wed, 19 Jan 2022 18:14:02 +0100
   4 Subject: [PATCH] realtek: Add RTL931X sub-target
   5
   6 We add the RTL931X sub-target with kernel configuration for
   7 a dual core MIPS InterAptive CPU.
   8
   9 Submitted-by: Sebastian Gottschall <s.gottschall@dd-wrt.com>
  10 Submitted-by: Birger Koblitz <git@birger-koblitz.de>
  11 ---
  12  arch/mips/Makefile                            | 10 +++++++++++++--
  13  arch/mips/kernel/head.S                       |  4 ++++
  14  aarch/mips/kernel/vmlinux.lds.S               |  4 ++++
  15  3 files changed, 18 insertions(+), 2 deletions(-)
  16
  17 --- a/arch/mips/Makefile
  18 +++ b/arch/mips/Makefile
  19 @@ -307,14 +307,24 @@ endif
  20
  21  KBUILD_AFLAGS  += $(cflags-y)
  22  KBUILD_CFLAGS  += $(cflags-y)
  23 +ifdef CONFIG_931X
  24 +KBUILD_CPPFLAGS += -DVMLINUX_LOAD_ADDRESS=$(load-y)
  25 +bootvars-y     = VMLINUX_LOAD_ADDRESS=$(load-y) \
  26 +                 VMLINUX_ENTRY_ADDRESS=$(entry-y) \
  27 +                 PLATFORM="$(platform-y)" \
  28 +                 ITS_INPUTS="$(its-y)"
  29 +else
  30  KBUILD_CPPFLAGS += -DVMLINUX_LOAD_ADDRESS=$(load-y) -DLINKER_LOAD_ADDRESS=$(load-ld)
  31 -KBUILD_CPPFLAGS += -DDATAOFFSET=$(if $(dataoffset-y),$(dataoffset-y),0)
  32 -
  33  bootvars-y     = VMLINUX_LOAD_ADDRESS=$(load-y) \
  34                   LINKER_LOAD_ADDRESS=$(load-ld) \
  35                   VMLINUX_ENTRY_ADDRESS=$(entry-y) \
  36                   PLATFORM="$(platform-y)" \
  37                   ITS_INPUTS="$(its-y)"
  38 +endif
  39 +KBUILD_CPPFLAGS += -DDATAOFFSET=$(if $(dataoffset-y),$(dataoffset-y),0)
  40 +
  41 +
  42 +
  43  ifdef CONFIG_32BIT
  44  bootvars-y     += ADDR_BITS=32
  45  endif
  46 --- a/arch/mips/kernel/head.S
  47 +++ b/arch/mips/kernel/head.S
  48 @@ -60,12 +60,14 @@
  49         .endm
  50
  51  #ifndef CONFIG_NO_EXCEPT_FILL
  52 +#ifndef CONFIG_RTL931X
  53         /*
  54          * Reserved space for exception handlers.
  55          * Necessary for machines which link their kernels at KSEG0.
  56          */
  57         .fill   0x400
  58  #endif
  59 +#endif
  60
  61  EXPORT(_stext)
  62
  63 --- a/arch/mips/kernel/vmlinux.lds.S
  64 +++ b/arch/mips/kernel/vmlinux.lds.S
  65 @@ -55,7 +55,11 @@ SECTIONS
  66         /* . = 0xa800000000300000; */
  67         . = 0xffffffff80300000;
  68  #endif
  69 +#ifdef CONFIG_RTL931X
  70 +       . = 0x80220000;
  71 +#else
  72         . = LINKER_LOAD_ADDRESS;
  73 +#endif
  74         /* read-only */
  75         _text = .;      /* Text and read-only data */
  76         .text : {