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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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6
drivers/net/Kconfig
View file

@ -1828,11 +1828,11 @@ config 68360_ENET
the Motorola 68360 processor. the Motorola 68360 processor.
config FEC config FEC
bool "FEC ethernet controller (of ColdFire CPUs)" bool "FEC ethernet controller (of ColdFire and some i.MX CPUs)"
depends on M523x || M527x || M5272 || M528x || M520x depends on M523x || M527x || M5272 || M528x || M520x || MACH_MX27
help help
Say Y here if you want to use the built-in 10/100 Fast ethernet 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 config FEC2
bool "Second FEC ethernet controller (on some ColdFire CPUs)" bool "Second FEC ethernet controller (on some ColdFire CPUs)"

15
drivers/net/fec.c
View file

@ -38,10 +38,14 @@
#include <linux/bitops.h> #include <linux/bitops.h>
#include <linux/io.h> #include <linux/io.h>
#include <linux/irq.h> #include <linux/irq.h>
#include <linux/clk.h>
#include <asm/cacheflush.h> #include <asm/cacheflush.h>
#ifndef CONFIG_ARCH_MXC
#include <asm/coldfire.h> #include <asm/coldfire.h>
#include <asm/mcfsim.h> #include <asm/mcfsim.h>
#endif
#include "fec.h" #include "fec.h"
@ -51,6 +55,13 @@
#define FEC_MAX_PORTS 1 #define FEC_MAX_PORTS 1
#endif #endif
#ifdef CONFIG_ARCH_MXC
#include <mach/hardware.h>
#define FEC_ALIGNMENT 0xf
#else
#define FEC_ALIGNMENT 0x3
#endif
#if defined(CONFIG_M5272) #if defined(CONFIG_M5272)
#define HAVE_mii_link_interrupt #define HAVE_mii_link_interrupt
#endif #endif
@ -158,7 +169,7 @@ typedef struct {
* account when setting it. * account when setting it.
*/ */
#if defined(CONFIG_M523x) || defined(CONFIG_M527x) || defined(CONFIG_M528x) || \ #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) #define OPT_FRAME_SIZE (PKT_MAXBUF_SIZE << 16)
#else #else
#define OPT_FRAME_SIZE 0 #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 * 4-byte boundaries. Use bounce buffers to copy data
* and get it aligned. Ugh. * and get it aligned. Ugh.
*/ */
if (bdp->cbd_bufaddr & 0x3) { if (bdp->cbd_bufaddr & FEC_ALIGNMENT) {
unsigned int index; unsigned int index;
index = bdp - fep->tx_bd_base; index = bdp - fep->tx_bd_base;
memcpy(fep->tx_bounce[index], (void *)skb->data, skb->len); memcpy(fep->tx_bounce[index], (void *)skb->data, skb->len);

11
drivers/net/fec.h
View file

@ -14,7 +14,7 @@
/****************************************************************************/ /****************************************************************************/
#if defined(CONFIG_M523x) || defined(CONFIG_M527x) || defined(CONFIG_M528x) || \ #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 * Just figures, Motorola would have to change the offsets for
* registers in the same peripheral device on different models * registers in the same peripheral device on different models
@ -103,12 +103,19 @@ typedef struct fec {
/* /*
* Define the buffer descriptor structure. * 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 { typedef struct bufdesc {
unsigned short cbd_sc; /* Control and status info */ unsigned short cbd_sc; /* Control and status info */
unsigned short cbd_datlen; /* Data length */ unsigned short cbd_datlen; /* Data length */
unsigned long cbd_bufaddr; /* Buffer address */ unsigned long cbd_bufaddr; /* Buffer address */
} cbd_t; } cbd_t;
#endif
/* /*
* The following definitions courtesy of commproc.h, which where * The following definitions courtesy of commproc.h, which where