[U-Boot] [PATCH] Assigned a static SMI address to all UECs TBIPA address.

[Richard Retanubun]

 From 092396fa161036fc9754296269c510e76910c756 Mon Sep 17 00:00:00 2001
From: Richard Retanubun <RichardRetanubun at RuggedCom.com>
Date: Tue, 2 Jun 2009 11:31:05 -0400
Subject: [PATCH] Assigned a static SMI address to all UECs TBIPA address.

It is set to 0x1F by default and can be overwritten on the board
header file by defining CONFIG_UTBIPAR_INIT_TBIPA. This allows
the CPU to simply "reserve" one SMI address instead of using
a different one for each UEC.
---
  drivers/qe/uec.c |   17 +++++++++--------
  1 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/drivers/qe/uec.c b/drivers/qe/uec.c
index 91d1182..a8a229f 100644
--- a/drivers/qe/uec.c
+++ b/drivers/qe/uec.c
@@ -31,6 +31,11 @@
  #include "uec_phy.h"
  #include "miiphy.h"

+/* Default UTBIPAR SMI address */
+#ifndef CONFIG_UTBIPAR_INIT_TBIPA
+#define CONFIG_UTBIPAR_INIT_TBIPA 0x1F
+#endif
+
  #ifdef CONFIG_UEC_ETH1
  static uec_info_t eth1_uec_info = {
  	.uf_info		= {
@@ -1179,15 +1184,11 @@ static int uec_startup(uec_private_t *uec)
  	utbipar = in_be32(&uec_regs->utbipar);
  	utbipar &= ~UTBIPAR_PHY_ADDRESS_MASK;
  	enet_interface = uec->uec_info->enet_interface;
-	if (enet_interface == ENET_1000_TBI ||
-		 enet_interface == ENET_1000_RTBI) {
-		utbipar |=  (uec_info->phy_address + uec_info->uf_info.ucc_num)
-						 << UTBIPAR_PHY_ADDRESS_SHIFT;
-	} else {
-		utbipar |=  (0x10 + uec_info->uf_info.ucc_num)
-						 << UTBIPAR_PHY_ADDRESS_SHIFT;
-	}

+	/* Initialize UTBIPAR address to CONFIG_UTBIPAR_INIT_TBIPA for ALL UEC.
+	 * This frees up the remaining SMI addresses for use.
+	 */
+	utbipar |= CONFIG_UTBIPAR_INIT_TBIPA << UTBIPAR_PHY_ADDRESS_SHIFT;
  	out_be32(&uec_regs->utbipar, utbipar);

  	/* Allocate Tx BDs */
-- 
1.6.2.4