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fec: Add support for Freescale MX27

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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sascha Hauer
2009-01-28 23:03:10 +00:00
committed by David S. Miller
parent ccdc4f1981
commit 196719ecec
3 changed files with 25 additions and 7 deletions
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drivers/net/Kconfig
+3 -3
View File
@@ -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 || MACH_MX27
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)"
drivers/net/fec.c
+13 -2
View File
@@ -38,10 +38,14 @@
#include <linux/bitops.h>
#include <linux/io.h>
#include <linux/irq.h>
#include <linux/clk.h>
#include <asm/cacheflush.h>
#ifndef CONFIG_ARCH_MXC
#include <asm/coldfire.h>
#include <asm/mcfsim.h>
#endif
#include "fec.h"
@@ -51,6 +55,13 @@
#define FEC_MAX_PORTS 1
#endif
#ifdef CONFIG_ARCH_MXC
#include <mach/hardware.h>
#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);
drivers/net/fec.h
+9 -2
View File
@@ -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