target/linux/ramips/patches-3.9/0205-owrt-MIPS-add-OWRTDTB-secion.patch

   1 From 6beb1af1b1475478c8f275b9579c9ebe4dad2904 Mon Sep 17 00:00:00 2001
   2 From: John Crispin <blogic@openwrt.org>
   3 Date: Tue, 19 Mar 2013 10:16:42 +0100
   4 Subject: [PATCH 205/208] owrt: MIPS: add OWRTDTB secion
   5
   6 Signed-off-by: John Crispin <blogic@openwrt.org>
   7 ---
   8  arch/mips/kernel/head.S   |    3 +++
   9  arch/mips/ralink/Makefile |    2 +-
  10  arch/mips/ralink/of.c     |    4 +++-
  11  3 files changed, 7 insertions(+), 2 deletions(-)
  12
  13 --- a/arch/mips/kernel/head.S
  14 +++ b/arch/mips/kernel/head.S
  15 @@ -146,6 +146,9 @@ EXPORT(__image_cmdline)
  16         .fill   0x400
  17  #endif /* CONFIG_IMAGE_CMDLINE_HACK */
  18
  19 +       .ascii  "OWRTDTB:"
  20 +       EXPORT(__image_dtb)
  21 +       .fill   0x4000
  22         __REF
  23
  24  NESTED(kernel_entry, 16, sp)                   # kernel entry point
  25 --- a/arch/mips/ralink/Makefile
  26 +++ b/arch/mips/ralink/Makefile
  27 @@ -15,4 +15,4 @@ obj-$(CONFIG_SOC_MT7620) += mt7620.o
  28
  29  obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
  30
  31 -obj-y += dts/
  32 +#obj-y += dts/
  33 --- a/arch/mips/ralink/of.c
  34 +++ b/arch/mips/ralink/of.c
  35 @@ -77,6 +77,8 @@ void __init device_tree_init(void)
  36         free_bootmem(base, size);
  37  }
  38
  39 +extern struct boot_param_header __image_dtb;
  40 +
  41  void __init plat_mem_setup(void)
  42  {
  43         set_io_port_base(KSEG1);
  44 @@ -85,7 +87,7 @@ void __init plat_mem_setup(void)
  45          * Load the builtin devicetree. This causes the chosen node to be
  46          * parsed resulting in our memory appearing
  47          */
  48 -       __dt_setup_arch(&__dtb_start);
  49 +       __dt_setup_arch(&__image_dtb);
  50
  51         if (soc_info.mem_size)
  52                 add_memory_region(soc_info.mem_base, soc_info.mem_size,