target/linux/ramips/patches-3.14/0103-MIPS-OWRTDTB.patch

   1 From c174d2250e402399ad7dbdd57d51883d8804bba0 Mon Sep 17 00:00:00 2001
   2 From: John Crispin <blogic@openwrt.org>
   3 Date: Mon, 15 Jul 2013 00:40:37 +0200
   4 Subject: [PATCH 31/33] 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 @@ -107,6 +107,9 @@ 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 @@ -26,4 +26,4 @@ obj-$(CONFIG_EARLY_PRINTK) += early_prin
  28
  29  obj-$(CONFIG_DEBUG_FS) += bootrom.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 @@ -91,6 +91,8 @@ static int __init early_init_dt_find_mem
  36         return 0;
  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 @@ -99,7 +101,7 @@ 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         strlcpy(arcs_cmdline, boot_command_line, COMMAND_LINE_SIZE);
  52