sources/patches/qi-bootloader-gta02-load-NAND-kernel-upon-AUX-press.patch

   1 From fa5733c2e85cb5edfb7f9a20412922b5c6a4b28e Mon Sep 17 00:00:00 2001
   2 From: Marc Andre Tanner <mat@brain-dump.org>
   3 Date: Wed, 2 Dec 2009 01:29:58 +0100
   4 Subject: [PATCH 2/3] gta02: load NAND kernel upon AUX press
   5
   6 Signed-off-by: Marc Andre Tanner <mat@brain-dump.org>
   7 ---
   8  src/cpu/s3c2442/gta02.c |   14 +++++++++++---
   9  1 files changed, 11 insertions(+), 3 deletions(-)
  10
  11 diff --git a/src/cpu/s3c2442/gta02.c b/src/cpu/s3c2442/gta02.c
  12 index 13be2ac..32a63bf 100644
  13 --- a/src/cpu/s3c2442/gta02.c
  14 +++ b/src/cpu/s3c2442/gta02.c
  15 @@ -493,18 +493,24 @@ static u8 get_ui_keys_gta02(void)
  16         u8 ret = 0;
  17         static u8 old_keys = 0; /* previous state for debounce */
  18         static u8 older_keys = 0; /* previous debounced output for edge detect */
  19 +       static u8 kernel_ui = 0;
  20
  21         /* GPF6 is AUX on GTA02, map to UI_ACTION_SKIPKERNEL, down = 1 */
  22         keys = !!(rGPFDAT & (1 << 6));
  23
  24         /* edge action */
  25 -       if ((old_keys & 1) && !(older_keys & 1))
  26 -               ret |= UI_ACTION_SKIPKERNEL;
  27 +       if ((old_keys & 1) && !(older_keys & 1)) {
  28 +               /* only generate 1 skip event if a bootmenu kernel is configured
  29 +                * otherwise we would probably end up skipping the ui kernel too */
  30 +               if (!board_api_gta02.kernel_ui || !kernel_ui)
  31 +                       ret |= UI_ACTION_SKIPKERNEL;
  32 +               kernel_ui = UI_ACTION_UI_KERNEL;
  33 +       }
  34
  35         older_keys = old_keys;
  36         old_keys = keys;
  37
  38 -       return ret;
  39 +       return ret | kernel_ui;
  40  }
  41
  42  static u8 get_ui_debug_gta02(void)
  43 @@ -737,4 +743,6 @@ const struct board_api board_api_gta02 = {
  44                                               "root=/dev/mtdblock6 ",
  45                 },
  46         },
  47 +       /* boot NAND kernel on AUX press */
  48 +       .kernel_ui = 3,
  49  };
  50 --
  51 1.6.5
  52