target/linux/mvebu/patches-3.8/030-arm_plat_orion_introduce_win_ctrl_enable.patch

   1 Instead of hardcoding "1" as being the bit value to enable an address
   2 decoding window, introduce and use a WIN_CTRL_ENABLE definition.
   3
   4 Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
   5 ---
   6  arch/arm/plat-orion/addr-map.c |    4 +++-
   7  1 file changed, 3 insertions(+), 1 deletion(-)
   8
   9 --- a/arch/arm/plat-orion/addr-map.c
  10 +++ b/arch/arm/plat-orion/addr-map.c
  11 @@ -38,6 +38,7 @@ EXPORT_SYMBOL_GPL(mv_mbus_dram_info);
  12   * CPU Address Decode Windows registers
  13   */
  14  #define WIN_CTRL_OFF           0x0000
  15 +#define   WIN_CTRL_ENABLE       BIT(0)
  16  #define WIN_BASE_OFF           0x0004
  17  #define WIN_REMAP_LO_OFF       0x0008
  18  #define WIN_REMAP_HI_OFF       0x000c
  19 @@ -79,7 +80,8 @@ void __init orion_setup_cpu_win(const st
  20         }
  21
  22         base_high = base & 0xffff0000;
  23 -       ctrl = ((size - 1) & 0xffff0000) | (attr << 8) | (target << 4) | 1;
  24 +       ctrl = ((size - 1) & 0xffff0000) | (attr << 8) | (target << 4) |
  25 +               WIN_CTRL_ENABLE;
  26
  27         writel(base_high, addr + WIN_BASE_OFF);
  28         writel(ctrl, addr + WIN_CTRL_OFF);