From patchwork Tue Jan 27 10:24:07 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: y@pengutronix.de X-Patchwork-Id: 20430 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.176.167]) by ozlabs.org (Postfix) with ESMTP id 261DCDE0D4 for ; Tue, 27 Jan 2009 21:26:27 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752519AbZA0K0X (ORCPT ); Tue, 27 Jan 2009 05:26:23 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752340AbZA0K0W (ORCPT ); Tue, 27 Jan 2009 05:26:22 -0500 Received: from metis.ext.pengutronix.de ([92.198.50.35]:57185 "EHLO metis.ext.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752152AbZA0K0V (ORCPT ); Tue, 27 Jan 2009 05:26:21 -0500 Received: from octopus.hi.pengutronix.de ([2001:6f8:1178:2:215:17ff:fe12:23b0]) by metis.ext.pengutronix.de with esmtp (Exim 4.63) (envelope-from ) id 1LRl75-0007X6-C1; Tue, 27 Jan 2009 11:24:11 +0100 Received: from sha by octopus.hi.pengutronix.de with local (Exim 4.69) (envelope-from ) id 1LRl72-00070n-AW; Tue, 27 Jan 2009 11:24:08 +0100 From: y@pengutronix.de To: netdev@vger.kernel.org Cc: Greg Ungerer , Sascha Hauer Subject: [PATCH] fec: Add support for Freescale MX27 Date: Tue, 27 Jan 2009 11:24:07 +0100 Message-Id: <1233051848-5994-9-git-send-email-y> X-Mailer: git-send-email 1.5.6.5 In-Reply-To: <1233051848-5994-8-git-send-email-y> References: <1233051848-5994-1-git-send-email-y> <1233051848-5994-2-git-send-email-y> <1233051848-5994-3-git-send-email-y> <1233051848-5994-4-git-send-email-y> <1233051848-5994-5-git-send-email-y> <1233051848-5994-6-git-send-email-y> <1233051848-5994-7-git-send-email-y> <1233051848-5994-8-git-send-email-y> X-SA-Exim-Connect-IP: 2001:6f8:1178:2:215:17ff:fe12:23b0 X-SA-Exim-Mail-From: sha@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: netdev@vger.kernel.org Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Sascha Hauer Signed-off-by: Sascha Hauer --- drivers/net/Kconfig | 6 +++--- drivers/net/fec.c | 15 +++++++++++++-- drivers/net/fec.h | 11 +++++++++-- 3 files changed, 25 insertions(+), 7 deletions(-) diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 9fe8cb7..fcdab51 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -1828,11 +1828,11 @@ config 68360_ENET the Motorola 68360 processor. config FEC - bool "FEC ethernet controller (of ColdFire CPUs)" - depends on M523x || M527x || M5272 || M528x || M520x + bool "FEC ethernet controller (of ColdFire and some i.MX CPUs)" + depends on M523x || M527x || M5272 || M528x || M520x || ARCH_MXC help Say Y here if you want to use the built-in 10/100 Fast ethernet - controller on some Motorola ColdFire processors. + controller on some Motorola ColdFire and Freescale i.MX processors. config FEC2 bool "Second FEC ethernet controller (on some ColdFire CPUs)" diff --git a/drivers/net/fec.c b/drivers/net/fec.c index 6a54d1f..2c8783a 100644 --- a/drivers/net/fec.c +++ b/drivers/net/fec.c @@ -38,10 +38,14 @@ #include #include #include +#include #include + +#ifndef CONFIG_ARCH_MXC #include #include +#endif #include "fec.h" @@ -51,6 +55,13 @@ #define FEC_MAX_PORTS 1 #endif +#ifdef CONFIG_ARCH_MXC +#include +#define FEC_ALIGNMENT 0xf +#else +#define FEC_ALIGNMENT 0x3 +#endif + #if defined(CONFIG_M5272) #define HAVE_mii_link_interrupt #endif @@ -158,7 +169,7 @@ typedef struct { * account when setting it. */ #if defined(CONFIG_M523x) || defined(CONFIG_M527x) || defined(CONFIG_M528x) || \ - defined(CONFIG_M520x) || defined(CONFIG_M532x) + defined(CONFIG_M520x) || defined(CONFIG_M532x) || defined(CONFIG_ARCH_MXC) #define OPT_FRAME_SIZE (PKT_MAXBUF_SIZE << 16) #else #define OPT_FRAME_SIZE 0 @@ -339,7 +350,7 @@ fec_enet_start_xmit(struct sk_buff *skb, struct net_device *dev) * 4-byte boundaries. Use bounce buffers to copy data * and get it aligned. Ugh. */ - if (bdp->cbd_bufaddr & 0x3) { + if (bdp->cbd_bufaddr & FEC_ALIGNMENT) { unsigned int index; index = bdp - fep->tx_bd_base; memcpy(fep->tx_bounce[index], (void *)skb->data, skb->len); diff --git a/drivers/net/fec.h b/drivers/net/fec.h index 292719d..76c64c9 100644 --- a/drivers/net/fec.h +++ b/drivers/net/fec.h @@ -14,7 +14,7 @@ /****************************************************************************/ #if defined(CONFIG_M523x) || defined(CONFIG_M527x) || defined(CONFIG_M528x) || \ - defined(CONFIG_M520x) || defined(CONFIG_M532x) + defined(CONFIG_M520x) || defined(CONFIG_M532x) || defined(CONFIG_ARCH_MXC) /* * Just figures, Motorola would have to change the offsets for * registers in the same peripheral device on different models @@ -103,12 +103,19 @@ typedef struct fec { /* * Define the buffer descriptor structure. */ +#ifdef CONFIG_ARCH_MXC +typedef struct bufdesc { + unsigned short cbd_datlen; /* Data length */ + unsigned short cbd_sc; /* Control and status info */ + unsigned long cbd_bufaddr; /* Buffer address */ +} cbd_t; +#else typedef struct bufdesc { unsigned short cbd_sc; /* Control and status info */ unsigned short cbd_datlen; /* Data length */ unsigned long cbd_bufaddr; /* Buffer address */ } cbd_t; - +#endif /* * The following definitions courtesy of commproc.h, which where