target/linux/leon/patches/026-greth_gbit_mac_set_ee_when_edcl.patch

   1 From 50fcb51c42bc721f18f1bfa10f705519cd344a2a Mon Sep 17 00:00:00 2001
   2 From: Daniel Hellstrom <daniel@gaisler.com>
   3 Date: Wed, 1 Dec 2010 16:20:01 +0100
   4 Subject: [PATCH] GRETH: Newer GBit MACs need setting EE bit when EDCL should be enabled
   5
   6 ---
   7  drivers/net/greth.c |    2 +-
   8  drivers/net/greth.h |    1 +
   9  2 files changed, 2 insertions(+), 1 deletions(-)
  10
  11 --- a/drivers/net/greth.c
  12 +++ b/drivers/net/greth.c
  13 @@ -1511,7 +1511,7 @@ static int __devinit greth_of_probe(stru
  14         /* If we have EDCL we disable the EDCL speed-duplex FSM so
  15          * it doesn't interfere with the software */
  16         if (greth->edcl != 0)
  17 -               GRETH_REGORIN(regs->control, GRETH_CTRL_DISDUPLEX);
  18 +               GRETH_REGORIN(regs->control, GRETH_CTRL_DISDUPLEX|GRETH_CTRL_EE);
  19
  20         /* Check if MAC can handle MDIO interrupts */
  21         greth->mdio_int_en = (tmp >> 26) & 1;
  22 --- a/drivers/net/greth.h
  23 +++ b/drivers/net/greth.h
  24 @@ -15,6 +15,7 @@
  25  #define GRETH_CTRL_PSTATIEN   0x400
  26  #define GRETH_CTRL_MCEN       0x800
  27  #define GRETH_CTRL_DISDUPLEX  0x1000
  28 +#define GRETH_CTRL_EE         0x4000
  29  #define GRETH_STATUS_PHYSTAT  0x100
  30
  31  #define GRETH_BD_EN 0x800