qi-hardware/openwrt-xburst
1
0
Fork 0
mirror of git://projects.qi-hardware.com/openwrt-xburst.git synced 2024-12-01 02:51:33 +02:00
Code
01e0dddc7b
openwrt-xburst/target/linux/coldfire/patches/006-Add-FEC-driver-support-for-MCF5445x-MCF5441x-MCF547x.patch
kaloz 7e7649baa9 [coldfire]: switch to 2.6.38 
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31546 3c298f89-4303-0410-b956-a3cf2f4a3e73
2012-05-01 07:00:17 +00:00

2760 lines
81 KiB
Diff
Raw Blame History

From 9be336132025e7670790cdc9c24a81c23e893484 Mon Sep 17 00:00:00 2001
From: Alison Wang <b18965@freescale.com>
Date: Thu, 4 Aug 2011 09:59:40 +0800
Subject: [PATCH 06/52] Add FEC driver support for MCF5445x/MCF5441x/MCF547x/MCF548x
Add FEC driver support for MCF5445x/MCF5441x/MCF547x/MCF548x.
Signed-off-by: Alison Wang <b18965@freescale.com>
---
arch/m68k/coldfire/m5441x/fec.c | 172 +++++
arch/m68k/coldfire/m5445x/fec.c | 143 ++++
drivers/net/Kconfig | 33 +-
drivers/net/Makefile | 1 +
drivers/net/fec.c | 27 +-
drivers/net/fec.h | 7 +-
drivers/net/fec_m547x.c | 1551 +++++++++++++++++++++++++++++++++++++++
drivers/net/fec_m547x.h | 241 ++++++
drivers/net/phy/Kconfig | 15 +
drivers/net/phy/Makefile | 3 +
drivers/net/phy/broadcom522x.c | 170 +++++
drivers/net/phy/national836x.c | 104 +++
drivers/net/phy/national8384x.c | 110 +++
13 files changed, 2566 insertions(+), 11 deletions(-)
create mode 100644 arch/m68k/coldfire/m5441x/fec.c
create mode 100644 arch/m68k/coldfire/m5445x/fec.c
create mode 100644 drivers/net/fec_m547x.c
create mode 100644 drivers/net/fec_m547x.h
create mode 100644 drivers/net/phy/broadcom522x.c
create mode 100644 drivers/net/phy/national836x.c
create mode 100644 drivers/net/phy/national8384x.c
--- /dev/null
+++ b/arch/m68k/coldfire/m5441x/fec.c
@@ -0,0 +1,172 @@
+/*
+ * fec.c on m5441x platform
+ *
+ * Sub-architcture dependant initialization code for the Freescale
+ * 5441X FEC module.
+ *
+ * Copyright (C) 2010-2011 Freescale Semiconductor, Inc. All Rights Reserved.
+ * ShrekWu B16972@freescale.com
+ * Alison Wang b18965@freescale.com
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/param.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/device.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/skbuff.h>
+#include <linux/spinlock.h>
+#include <linux/workqueue.h>
+#include <linux/platform_device.h>
+#include <linux/fec.h>
+#include <linux/io.h>
+
+#include <asm/pgtable.h>
+#include <asm/traps.h>
+#include <asm/machdep.h>
+#include <asm/coldfire.h>
+#include <asm/mcfsim.h>
+#include <asm/mcf5441x_dtim.h>
+
+static struct resource fec0_resources[] = {
+ [0] = {
+ .start = MCF_MBAR + 0xfc0d4000,
+ .end = MCF_MBAR + 0xfc0d42ff,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = (64 + 36),
+ .end = (64 + 36),
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ .start = (64 + 40),
+ .end = (64 + 40),
+ .flags = IORESOURCE_IRQ,
+ },
+ [3] = {
+ .start = (64 + 42),
+ .end = (64 + 42),
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+#if defined(CONFIG_FEC2)
+static struct resource fec1_resources[] = {
+ [0] = {
+ .start = MCF_MBAR + 0xfc0d8000,
+ .end = MCF_MBAR + 0xfc0d82ff,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = (64 + 13 + 36),
+ .end = (64 + 13 + 36),
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ .start = (64 + 13 + 40),
+ .end = (64 + 13 + 40),
+ .flags = IORESOURCE_IRQ,
+ },
+ [3] = {
+ .start = (64 + 13 + 42),
+ .end = (64 + 13 + 42),
+ .flags = IORESOURCE_IRQ,
+ },
+};
+#endif
+
+static struct fec_platform_data m54418_fec_pdata = {
+ .phy = PHY_INTERFACE_MODE_RMII,
+};
+
+static struct platform_device fec0_coldfire_device = {
+ .name = "m54418-fec",
+ .id = 0,
+ .resource = fec0_resources,
+ .num_resources = ARRAY_SIZE(fec0_resources),
+ .dev = {
+ .platform_data = &m54418_fec_pdata,
+ }
+};
+
+#if defined(CONFIG_FEC2)
+static struct platform_device fec1_coldfire_device = {
+ .name = "m54418-fec",
+ .id = 1,
+ .resource = fec1_resources,
+ .num_resources = ARRAY_SIZE(fec1_resources),
+ .dev = {
+ .platform_data = &m54418_fec_pdata,
+ }
+};
+#endif
+
+static struct platform_device *fec_device[] = {
+ &fec0_coldfire_device,
+#if defined(CONFIG_FEC2)
+ &fec1_coldfire_device,
+#endif
+};
+
+static int __init mcf5441x_fec_dev_init(void)
+{
+ int retval = 0;
+
+ MCF_GPIO_PAR_FEC =
+ (MCF_GPIO_PAR_FEC &
+ MCF_GPIO_PAR_FEC_FEC_MASK) |
+ MCF_GPIO_PAR_FEC_FEC_RMII0FUL_ULPI;
+
+ MCF_GPIO_SRCR_FEC = 0x0C;
+
+#if defined(CONFIG_FEC2)
+ MCF_GPIO_PAR_FEC =
+ (MCF_GPIO_PAR_FEC &
+ MCF_GPIO_PAR_FEC_FEC_MASK) |
+ MCF_GPIO_PAR_FEC_FEC_RMII0FUL_1FUL;
+
+ MCF_GPIO_SRCR_FEC |= 0x03;
+
+ MCF_GPIO_PAR_SIMP0H =
+ (MCF_GPIO_PAR_SIMP0H &
+ MCF_GPIO_PAR_SIMP0H_DAT_MASK) |
+ MCF_GPIO_PAR_SIMP0H_DAT_GPIO;
+
+ MCF_GPIO_PDDR_G =
+ (MCF_GPIO_PDDR_G &
+ MCF_GPIO_PDDR_G4_MASK) |
+ MCF_GPIO_PDDR_G4_OUTPUT;
+
+ MCF_GPIO_PODR_G =
+ (MCF_GPIO_PODR_G &
+ MCF_GPIO_PODR_G4_MASK);
+#endif
+
+ retval = platform_add_devices(fec_device, ARRAY_SIZE(fec_device));
+ if (retval < 0) {
+ printk(KERN_ERR "MCF5441x FEC: platform_device_register failed"
+ "with code=%d\n", retval);
+ }
+
+ return retval;
+}
+
+arch_initcall(mcf5441x_fec_dev_init);
--- /dev/null
+++ b/arch/m68k/coldfire/m5445x/fec.c
@@ -0,0 +1,143 @@
+/*
+ * fec-mcf5445x.c
+ *
+ * Sub-architcture dependant initialization code for the Freescale
+ * 5445X FEC module.
+ *
+ * Copyright (C) 2009-2011 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Shrek Wu B16972@freescale.com
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/param.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/fsl_devices.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/skbuff.h>
+#include <linux/spinlock.h>
+#include <linux/workqueue.h>
+#include <asm/pgtable.h>
+
+#include <asm/traps.h>
+#include <asm/machdep.h>
+#include <asm/coldfire.h>
+#include <asm/mcfsim.h>
+
+static struct resource fec0_resources[] = {
+ [0] = {
+ .start = MCF_MBAR + 0xfc030000,
+ .end = MCF_MBAR + 0xfc0302ff,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = (64 + 36),
+ .end = (64 + 36),
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ .start = (64 + 40),
+ .end = (64 + 40),
+ .flags = IORESOURCE_IRQ,
+ },
+ [3] = {
+ .start = (64 + 42),
+ .end = (64 + 42),
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+#if defined(CONFIG_FEC2)
+static struct resource fec1_resources[] = {
+ [0] = {
+ .start = MCF_MBAR + 0xfc034000,
+ .end = MCF_MBAR + 0xfc0342ff,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = (64 + 13 + 36),
+ .end = (64 + 13 + 36),
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ .start = (64 + 13 + 40),
+ .end = (64 + 13 + 40),
+ .flags = IORESOURCE_IRQ,
+ },
+ [3] = {
+ .start = (64 + 13 + 42),
+ .end = (64 + 13 + 42),
+ .flags = IORESOURCE_IRQ,
+ },
+};
+#endif
+
+static struct platform_device fec0_coldfire_device = {
+ .name = "fec",
+ .id = 0,
+ .resource = fec0_resources,
+ .num_resources = ARRAY_SIZE(fec0_resources),
+};
+
+#if defined(CONFIG_FEC2)
+static struct platform_device fec1_coldfire_device = {
+ .name = "fec",
+ .id = 1,
+ .resource = fec1_resources,
+ .num_resources = ARRAY_SIZE(fec1_resources),
+};
+#endif
+
+static struct platform_device *fec_device[] = {
+ &fec0_coldfire_device,
+#if defined(CONFIG_FEC2)
+ &fec1_coldfire_device,
+#endif
+};
+
+static int __init mcf5445x_fec_dev_init(void)
+{
+ int retval = 0;
+
+ MCF_GPIO_PAR_FEC = (MCF_GPIO_PAR_FEC &
+ MCF_GPIO_PAR_FEC_FEC0_MASK) |
+ MCF_GPIO_PAR_FEC_FEC0_RMII_GPIO;
+
+ MCF_GPIO_PAR_FEC = (MCF_GPIO_PAR_FEC &
+ MCF_GPIO_PAR_FEC_FEC1_MASK) |
+ MCF_GPIO_PAR_FEC_FEC1_RMII_GPIO;
+
+ MCF_GPIO_PAR_FECI2C |= (MCF_GPIO_PAR_FECI2C_MDIO0_MDIO0 |
+ MCF_GPIO_PAR_FECI2C_MDC0_MDC0);
+
+ MCF_GPIO_PAR_FECI2C |= (MCF_GPIO_PAR_FECI2C_MDIO1_MDIO1 |
+ MCF_GPIO_PAR_FECI2C_MDC1_MDC1);
+
+ retval = platform_add_devices(fec_device, ARRAY_SIZE(fec_device));
+ if (retval < 0) {
+ printk(KERN_ERR "MCF5445x FEC: platform_device_register failed"
+ "with code=%d\n",
+ retval);
+ }
+
+ return retval;
+}
+
+arch_initcall(mcf5445x_fec_dev_init);
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -1943,13 +1943,44 @@ config 68360_ENET
config FEC
bool "FEC ethernet controller (of ColdFire and some i.MX CPUs)"
- depends on M523x || M527x || M5272 || M528x || M520x || M532x || \
+ depends on M523x || M527x || M5272 || M528x || M520x || M532x || M5445X || M5441X || \
MACH_MX27 || ARCH_MX35 || ARCH_MX25 || ARCH_MX5 || SOC_IMX28
select PHYLIB
help
Say Y here if you want to use the built-in 10/100 Fast ethernet
controller on some Motorola ColdFire and Freescale i.MX processors.
+
+config FEC2
+ bool "Second FEC ethernet controller (on some ColdFire CPUs)"
+ depends on FEC && (M54455 || M5441X)
+ help
+ Say Y here if you want to use the second built-in 10/100 Fast
+ ethernet controller on some Motorola ColdFire processors.
+
+config FEC_548x
+ tristate "MCF547x/MCF548x Fast Ethernet Controller support"
+ depends on M547X_8X
+ help
+ The MCF547x and MCF548x have a built-in Fast Ethernet Controller.
+ Saying Y here will include support for this device in the kernel.
+
+ To compile this driver as a module, choose M here: the module
+ will be called fecm.
+
+config FEC_548x_ENABLE_FEC2
+ bool "Enable the second FEC"
+ depends on FEC_548x
+ help
+ This enables the second FEC on the 547x/548x. If you want to use
+ it, say Y.
+
+config FEC_548x_SHARED_PHY
+ bool "Shared PHY interface(on some ColdFire designs)"
+ depends on FEC_548x_ENABLE_FEC2
+ help
+ Say Y here if both PHYs are controlled via a single channel.
+
config FEC_MPC52xx
tristate "MPC52xx FEC driver"
depends on PPC_MPC52xx && PPC_BESTCOMM
--- a/drivers/net/Makefile
+++ b/drivers/net/Makefile
@@ -123,6 +123,7 @@ obj-$(CONFIG_PCMCIA_PCNET) += 8390.o
obj-$(CONFIG_HP100) += hp100.o
obj-$(CONFIG_SMC9194) += smc9194.o
obj-$(CONFIG_FEC) += fec.o
+obj-$(CONFIG_FEC_548x) += fec_m547x.o
obj-$(CONFIG_FEC_MPC52xx) += fec_mpc52xx.o
ifeq ($(CONFIG_FEC_MPC52xx_MDIO),y)
obj-$(CONFIG_FEC_MPC52xx) += fec_mpc52xx_phy.o
--- a/drivers/net/fec.c
+++ b/drivers/net/fec.c
@@ -18,7 +18,7 @@
* Bug fixes and cleanup by Philippe De Muyter (phdm@macqel.be)
* Copyright (c) 2004-2006 Macq Electronique SA.
*
- * Copyright (C) 2010 Freescale Semiconductor, Inc.
+ * Copyright (C) 2010-2011 Freescale Semiconductor, Inc. All Rights Reserved.
*/
#include <linux/module.h>
@@ -74,6 +74,9 @@ static struct platform_device_id fec_dev
}, {
.name = "imx28-fec",
.driver_data = FEC_QUIRK_ENET_MAC | FEC_QUIRK_SWAP_FRAME,
+ }, {
+ .name = "m54418-fec",
+ .driver_data = FEC_QUIRK_ENET_MAC,
},
{ }
};
@@ -148,8 +151,9 @@ MODULE_PARM_DESC(macaddr, "FEC Ethernet
* account when setting it.
*/
#if defined(CONFIG_M523x) || defined(CONFIG_M527x) || defined(CONFIG_M528x) || \
- defined(CONFIG_M520x) || defined(CONFIG_M532x) || \
- defined(CONFIG_ARCH_MXC) || defined(CONFIG_SOC_IMX28)
+ defined(CONFIG_M520x) || defined(CONFIG_M532x) || \
+ defined(CONFIG_M5445X) || defined(CONFIG_M5441X) || \
+ defined(CONFIG_ARCH_MXC) || defined(CONFIG_SOC_IMX28)
#define OPT_FRAME_SIZE (PKT_MAXBUF_SIZE << 16)
#else
#define OPT_FRAME_SIZE 0
@@ -400,7 +404,8 @@ fec_enet_tx(struct net_device *dev)
if (bdp == fep->cur_tx && fep->tx_full == 0)
break;
- dma_unmap_single(&dev->dev, bdp->cbd_bufaddr, FEC_ENET_TX_FRSIZE, DMA_TO_DEVICE);
+/* dma_unmap_single(&dev->dev, bdp->cbd_bufaddr, \
+ FEC_ENET_TX_FRSIZE, DMA_TO_DEVICE);*/
bdp->cbd_bufaddr = 0;
skb = fep->tx_skbuff[fep->skb_dirty];
@@ -527,8 +532,8 @@ fec_enet_rx(struct net_device *dev)
dev->stats.rx_bytes += pkt_len;
data = (__u8*)__va(bdp->cbd_bufaddr);
- dma_unmap_single(NULL, bdp->cbd_bufaddr, bdp->cbd_datlen,
- DMA_FROM_DEVICE);
+/* dma_unmap_single(NULL, bdp->cbd_bufaddr, bdp->cbd_datlen,
+ DMA_FROM_DEVICE);*/
if (id_entry->driver_data & FEC_QUIRK_SWAP_FRAME)
swap_buffer(data, pkt_len);
@@ -552,8 +557,8 @@ fec_enet_rx(struct net_device *dev)
netif_rx(skb);
}
- bdp->cbd_bufaddr = dma_map_single(NULL, data, bdp->cbd_datlen,
- DMA_FROM_DEVICE);
+/* bdp->cbd_bufaddr = dma_map_single(NULL, data, bdp->cbd_datlen,
+ DMA_FROM_DEVICE);*/
rx_processing_done:
/* Clear the status flags for this buffer */
status &= ~BD_ENET_RX_STATS;
@@ -632,6 +637,8 @@ static void __inline__ fec_get_mac(struc
static void fec_enet_adjust_link(struct net_device *dev)
{
struct fec_enet_private *fep = netdev_priv(dev);
+ const struct platform_device_id *id_entry =
+ platform_get_device_id(fep->pdev);
struct phy_device *phy_dev = fep->phy_dev;
unsigned long flags;
@@ -660,6 +667,10 @@ static void fec_enet_adjust_link(struct
fec_restart(dev, phy_dev->duplex);
else
fec_stop(dev);
+
+ if (id_entry->driver_data & FEC_QUIRK_ENET_MAC)
+ writel(2, fep->hwp + FEC_ECNTRL);
+
status_change = 1;
}
--- a/drivers/net/fec.h
+++ b/drivers/net/fec.h
@@ -4,6 +4,7 @@
* fec.h -- Fast Ethernet Controller for Motorola ColdFire SoC
* processors.
*
+ * Copyright (C) 2011 Freescale Semiconductor,Inc. All Rights Reserved.
* (C) Copyright 2000-2005, Greg Ungerer (gerg@snapgear.com)
* (C) Copyright 2000-2001, Lineo (www.lineo.com)
*/
@@ -14,8 +15,10 @@
/****************************************************************************/
#if defined(CONFIG_M523x) || defined(CONFIG_M527x) || defined(CONFIG_M528x) || \
- defined(CONFIG_M520x) || defined(CONFIG_M532x) || \
- defined(CONFIG_ARCH_MXC) || defined(CONFIG_SOC_IMX28)
+ defined(CONFIG_M520x) || defined(CONFIG_M532x) || \
+ defined(CONFIG_M537x) || defined(CONFIG_M5301x) || \
+ defined(CONFIG_M5445X) || defined(CONFIG_M5441X) || \
+ defined(CONFIG_ARCH_MXC) || defined(CONFIG_SOC_IMX28)
/*
* Just figures, Motorola would have to change the offsets for
* registers in the same peripheral device on different models
--- /dev/null
+++ b/drivers/net/fec_m547x.c
@@ -0,0 +1,1551 @@
+/*
+ * Copyright (C) 2007-2011 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Author: Kurt Mahan, kmahan@freescale.com
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/ptrace.h>
+#include <linux/errno.h>
+#include <linux/ioport.h>
+#include <linux/slab.h>
+#include <linux/interrupt.h>
+#include <linux/pci.h>
+#include <linux/init.h>
+#include <linux/phy.h>
+#include <linux/delay.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/skbuff.h>
+#include <linux/spinlock.h>
+#include <linux/workqueue.h>
+#include <linux/bitops.h>
+
+#include <asm/coldfire.h>
+#include <asm/mcfsim.h>
+
+#include <asm/dma.h>
+#include <asm/MCD_dma.h>
+#include <asm/m5485sram.h>
+#include <asm/virtconvert.h>
+#include <asm/irq.h>
+
+#include "fec_m547x.h"
+
+#ifdef CONFIG_FEC_548x_ENABLE_FEC2
+#define FEC_MAX_PORTS 2
+#define FEC_2
+#else
+#define FEC_MAX_PORTS 1
+#undef FEC_2
+#endif
+
+#define VERSION "0.20"
+MODULE_DESCRIPTION("DMA Fast Ethernet Controller driver ver " VERSION);
+
+/* fec private */
+struct fec_priv {
+ struct net_device *netdev; /* owning net device */
+ void *fecpriv_txbuf[FEC_TX_BUF_NUMBER]; /* tx buffer ptrs */
+ MCD_bufDescFec *fecpriv_txdesc; /* tx descriptor ptrs */
+ volatile unsigned int fecpriv_current_tx; /* current tx desc index */
+ volatile unsigned int fecpriv_next_tx; /* next tx desc index */
+ unsigned int fecpriv_current_rx; /* current rx desc index */
+ MCD_bufDescFec *fecpriv_rxdesc; /* rx descriptor ptrs */
+ struct sk_buff *askb_rx[FEC_RX_BUF_NUMBER]; /* rx SKB ptrs */
+ unsigned int fecpriv_initiator_rx; /* rx dma initiator */
+ unsigned int fecpriv_initiator_tx; /* tx dma initiator */
+ int fecpriv_fec_rx_channel; /* rx dma channel */
+ int fecpriv_fec_tx_channel; /* tx dma channel */
+ int fecpriv_rx_requestor; /* rx dma requestor */
+ int fecpriv_tx_requestor; /* tx dma requestor */
+ void *fecpriv_interrupt_fec_rx_handler; /* dma rx handler */
+ void *fecpriv_interrupt_fec_tx_handler; /* dma tx handler */
+ unsigned char *fecpriv_mac_addr; /* private fec mac addr */
+ struct net_device_stats fecpriv_stat; /* stats ptr */
+ spinlock_t fecpriv_lock;
+ int fecpriv_rxflag;
+ struct tasklet_struct fecpriv_tasklet_reinit;
+ int index; /* fec hw number */
+ struct phy_device *phydev;
+ struct mii_bus *mdio_bus;
+ int duplex;
+ int link;
+ int speed;
+};
+
+struct net_device *fec_dev[FEC_MAX_PORTS];
+
+/* FEC functions */
+static int __init fec_init(void);
+/*
+static struct net_device_stats *fec_get_stat(struct net_device *dev);
+static int fec_open(struct net_device *dev);
+static int fec_close(struct net_device *nd);
+static int fec_tx(struct sk_buff *skb, struct net_device *dev);
+static void fec_set_multicast_list(struct net_device *nd);
+static int fec_set_mac_address(struct net_device *dev, void *p);
+static void fec_tx_timeout(struct net_device *dev);
+*/
+static void fec_interrupt_fec_tx_handler(struct net_device *dev);
+static void fec_interrupt_fec_rx_handler(struct net_device *dev);
+static irqreturn_t fec_interrupt_handler(int irq, void *dev_id);
+static void fec_interrupt_fec_tx_handler_fec0(void);
+static void fec_interrupt_fec_rx_handler_fec0(void);
+static void fec_interrupt_fec_reinit(unsigned long data);
+
+/* default fec0 address */
+unsigned char fec_mac_addr_fec0[6] = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x50 };
+
+#ifdef FEC_2
+/* default fec1 address */
+unsigned char fec_mac_addr_fec1[6] = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x51 };
+#endif
+
+extern unsigned char uboot_enet0[];
+extern unsigned char uboot_enet1[];
+
+#ifndef MODULE
+int fec_str_to_mac(char *str_mac, unsigned char* addr);
+int __init fec_mac_setup0(char *s);
+#endif
+
+
+#ifdef FEC_2
+void fec_interrupt_fec_tx_handler_fec1(void);
+void fec_interrupt_fec_rx_handler_fec1(void);
+#endif
+
+#ifndef MODULE
+int __init fec_mac_setup1(char *s);
+#endif
+
+module_init(fec_init);
+/* module_exit(fec_cleanup); */
+
+__setup("mac0=", fec_mac_setup0);
+
+#ifdef FEC_2
+__setup("mac1=", fec_mac_setup1);
+#endif
+
+#define mk_mii_read(REG) (0x60020000 | ((REG & 0x1f) << 18))
+#define mk_mii_write(REG, VAL) (0x50020000 | ((REG & 0x1f) << 18) | \
+ (VAL & 0xffff))
+/* ----------------------------------------------------------- */
+static int coldfire_fec_mdio_read(struct mii_bus *bus,
+ int phy_id, int reg)
+{
+ int ret;
+#ifdef CONFIG_FEC_548x_SHARED_PHY
+ unsigned long base_addr = (unsigned long)FEC_BASE_ADDR_FEC0;
+#else
+ unsigned long base_addr = (unsigned long) dev->base_addr;
+#endif
+ int tries = 100;
+
+ /* Clear the MII interrupt bit */
+ FEC_EIR(base_addr) = FEC_EIR_MII;
+
+ /* Write to the MII management frame register */
+ FEC_MMFR(base_addr) = mk_mii_read(reg) | (phy_id << 23);
+
+ /* Wait for the reading */
+ while (!(FEC_EIR(base_addr) & FEC_EIR_MII)) {
+ udelay(10);
+
+ if (!tries) {
+ printk(KERN_ERR "%s timeout\n", __func__);
+ return -ETIMEDOUT;
+ }
+ tries--;
+ }
+
+ /* Clear the MII interrupt bit */
+ FEC_EIR(base_addr) = FEC_EIR_MII;
+ ret = FEC_MMFR(base_addr) & 0x0000FFFF;
+ return ret;
+}
+
+static int coldfire_fec_mdio_write(struct mii_bus *bus,
+ int phy_id, int reg, u16 data)
+{
+ int ret;
+#ifdef CONFIG_FEC_548x_SHARED_PHY
+ unsigned long base_addr = (unsigned long)FEC_BASE_ADDR_FEC0;
+#else
+ unsigned long base_addr = (unsigned long) dev->base_addr;
+#endif
+ int tries = 100;
+
+ printk(KERN_ERR "%s base_addr %lx, phy_id %x, reg %x, data %x\n",
+ __func__, base_addr, phy_id, reg, data);
+ /* Clear the MII interrupt bit */
+ FEC_EIR(base_addr) = FEC_EIR_MII;
+
+ /* Write to the MII management frame register */
+ FEC_MMFR(base_addr) = mk_mii_write(reg, data) | (phy_id << 23);
+
+ /* Wait for the writing */
+ while (!(FEC_EIR(base_addr) & FEC_EIR_MII)) {
+ udelay(10);
+ if (!tries) {
+ printk(KERN_ERR "%s timeout\n", __func__);
+ return -ETIMEDOUT;
+ }
+ tries--;
+ }
+ /* Clear the MII interrupt bit */
+ FEC_EIR(base_addr) = FEC_EIR_MII;
+ ret = FEC_MMFR(base_addr) & 0x0000FFFF;
+
+ return ret;
+}
+
+static void fec_adjust_link(struct net_device *dev)
+{
+ struct fec_priv *priv = netdev_priv(dev);
+ struct phy_device *phydev = priv->phydev;
+ int new_state = 0;
+
+ if (phydev->link != PHY_DOWN) {
+ if (phydev->duplex != priv->duplex) {
+ new_state = 1;
+ priv->duplex = phydev->duplex;
+ }
+
+ if (phydev->speed != priv->speed) {
+ new_state = 1;
+ priv->speed = phydev->speed;
+ }
+
+ if (priv->link == PHY_DOWN) {
+ new_state = 1;
+ priv->link = phydev->link;
+ }
+ } else if (priv->link) {
+ new_state = 1;
+ priv->link = PHY_DOWN;
+ priv->speed = 0;
+ priv->duplex = -1;
+ }
+
+ if (new_state)
+ phy_print_status(phydev);
+}
+
+static int coldfire_fec_init_phy(struct net_device *dev)
+{
+ struct fec_priv *priv = netdev_priv(dev);
+ struct phy_device *phydev = NULL;
+ int i;
+ int startnode;
+
+#ifdef CONFIG_FEC_548x_SHARED_PHY
+ if (priv->index == 0)
+ startnode = 0;
+ else if (priv->index == 1) {
+ struct fec_priv *priv0 = netdev_priv(fec_dev[0]);
+ startnode = priv0->phydev->addr + 1;
+ } else
+ startnode = 0;
+#else
+ startnode = 0;
+#endif
+#ifdef FEC_DEBUG
+ printk(KERN_ERR "%s priv->index %x, startnode %x\n",
+ __func__, priv->index, startnode);
+#endif
+ /* search for connect PHY device */
+ for (i = startnode; i < PHY_MAX_ADDR; i++) {
+ struct phy_device *const tmp_phydev =
+ priv->mdio_bus->phy_map[i];
+
+ if (!tmp_phydev) {
+#ifdef FEC_DEBUG
+ printk(KERN_INFO "%s no PHY here at"
+ "mii_bus->phy_map[%d]\n",
+ __func__, i);
+#endif
+ continue; /* no PHY here... */
+ }
+ phydev = tmp_phydev;
+#ifdef FEC_DEBUG
+ printk(KERN_INFO "%s find PHY here at"
+ "mii_bus->phy_map[%d]\n",
+ __func__, i);
+#endif
+ break; /* found it */
+ }
+
+ /* now we are supposed to have a proper phydev, to attach to... */
+ if (!phydev) {
+ printk(KERN_INFO "%s: Don't found any phy device at all\n",
+ dev->name);
+ return -ENODEV;
+ }
+
+ priv->link = 0;
+ priv->speed = 0;
+ priv->duplex = 0;
+#ifdef FEC_DEBUG
+ printk(KERN_INFO "%s phydev_busid %s\n", __func__, phydev->dev.bus_id);
+#endif
+ phydev = phy_connect(dev, dev_name(&phydev->dev),
+ &fec_adjust_link, 0, PHY_INTERFACE_MODE_MII);
+ if (IS_ERR(phydev)) {
+ printk(KERN_ERR " %s phy_connect failed\n", __func__);
+ return PTR_ERR(phydev);
+ }
+
+ printk(KERN_INFO "attached phy %i to driver %s\n",
+ phydev->addr, phydev->drv->name);
+ priv->phydev = phydev;
+ return 0;
+}
+
+static int fec_mdio_register(struct net_device *dev,
+ int slot)
+{
+ int err = 0;
+ struct fec_priv *fp = netdev_priv(dev);
+
+ fp->mdio_bus = mdiobus_alloc();
+ if (!fp->mdio_bus) {
+ printk(KERN_ERR "ethernet mdiobus_alloc fail\n");
+ return -ENOMEM;
+ }
+
+ if (slot == 0) {
+ fp->mdio_bus->name = "Coldfire FEC MII 0 Bus";
+ strcpy(fp->mdio_bus->id, "0");
+ } else if (slot == 1) {
+ fp->mdio_bus->name = "Coldfire FEC MII 1 Bus";
+ strcpy(fp->mdio_bus->id, "1");
+ } else {
+ printk(KERN_ERR "Now coldfire can not"
+ "support more than 2 mii bus\n");
+ }
+
+ fp->mdio_bus->read = &coldfire_fec_mdio_read;
+ fp->mdio_bus->write = &coldfire_fec_mdio_write;
+ fp->mdio_bus->priv = dev;
+ err = mdiobus_register(fp->mdio_bus);
+ if (err) {
+ mdiobus_free(fp->mdio_bus);
+ printk(KERN_ERR "%s: ethernet mdiobus_register fail %d\n",
+ dev->name, err);
+ return -EIO;
+ }
+
+ printk(KERN_INFO "mdiobus_register %s ok\n",
+ fp->mdio_bus->name);
+ return err;
+}
+
+/************************************************************************
+* NAME: mcf547x_fec_open
+*
+* DESCRIPTION: This function performs the initialization of
+* of FEC and corresponding KS8721 transiver
+*
+* RETURNS: If no error occurs, this function returns zero.
+*************************************************************************/
+static int mcf547x_fec_open(struct net_device *dev)
+{
+ struct fec_priv *fp = netdev_priv(dev);
+ unsigned long base_addr = (unsigned long) dev->base_addr;
+ int fduplex;
+ int i;
+ int channel;
+ int error_code = -EBUSY;
+
+ fp->link = 0;
+ fp->duplex = 0;
+ fp->speed = 0;
+ coldfire_fec_init_phy(dev);
+ phy_start(fp->phydev);
+
+ /* Receive the DMA channels */
+ channel = dma_set_channel_fec(fp->fecpriv_rx_requestor);
+
+ if (channel == -1) {
+ printk(KERN_ERR "Dma channel cannot be reserved\n");
+ goto ERRORS;
+ }
+
+ fp->fecpriv_fec_rx_channel = channel;
+
+ dma_connect(channel, (int) fp->fecpriv_interrupt_fec_rx_handler);
+
+ channel = dma_set_channel_fec(fp->fecpriv_tx_requestor);
+
+ if (channel == -1) {
+ printk(KERN_ERR "Dma channel cannot be reserved\n");
+ goto ERRORS;
+ }
+
+ fp->fecpriv_fec_tx_channel = channel;
+
+ dma_connect(channel, (int) fp->fecpriv_interrupt_fec_tx_handler);
+
+ /* init tasklet for controller reinitialization */
+ tasklet_init(&fp->fecpriv_tasklet_reinit,
+ fec_interrupt_fec_reinit, (unsigned long) dev);
+
+ /* Reset FIFOs */
+ FEC_FECFRST(base_addr) |= FEC_SW_RST | FEC_RST_CTL;
+ FEC_FECFRST(base_addr) &= ~FEC_SW_RST;
+
+ /* Reset and disable FEC */
+ FEC_ECR(base_addr) = FEC_ECR_RESET;
+
+ udelay(10);
+
+ /* Clear all events */
+ FEC_EIR(base_addr) = FEC_EIR_CLEAR;
+
+ /* Reset FIFO status */
+ FEC_FECTFSR(base_addr) = FEC_FECTFSR_MSK;
+ FEC_FECRFSR(base_addr) = FEC_FECRFSR_MSK;
+
+ /* Set the default address */
+ FEC_PALR(base_addr) = (fp->fecpriv_mac_addr[0] << 24) |
+ (fp->fecpriv_mac_addr[1] << 16) |
+ (fp->fecpriv_mac_addr[2] << 8) |
+ fp->fecpriv_mac_addr[3];
+ FEC_PAUR(base_addr) = (fp->fecpriv_mac_addr[4] << 24) |
+ (fp->fecpriv_mac_addr[5] << 16) | 0x8808;
+
+ /* Reset the group address descriptor */
+ FEC_GALR(base_addr) = 0x00000000;
+ FEC_GAUR(base_addr) = 0x00000000;
+
+ /* Reset the individual address descriptor */
+ FEC_IALR(base_addr) = 0x00000000;
+ FEC_IAUR(base_addr) = 0x00000000;
+
+ /* Set the receive control register */
+ FEC_RCR(base_addr) = FEC_RCR_MAX_FRM_SIZE | FEC_RCR_MII;
+
+ /* Set the receive FIFO control register */
+ /*FEC_FECRFCR(base_addr) =
+ * FEC_FECRFCR_FRM | FEC_FECRFCR_GR | FEC_FECRFCR_MSK;*/
+ FEC_FECRFCR(base_addr) = FEC_FECRFCR_FRM | FEC_FECRFCR_GR
+ | (FEC_FECRFCR_MSK
+ /* disable all but ...*/
+ & ~FEC_FECRFCR_FAE
+ /* enable frame accept error*/
+ & ~FEC_FECRFCR_RXW
+ /* enable receive wait condition*/
+ /*& ~FEC_FECRFCR_UF*/
+ /* enable FIFO underflow*/
+ );
+
+ /* Set the receive FIFO alarm register */
+ FEC_FECRFAR(base_addr) = FEC_FECRFAR_ALARM;
+
+ /* Set the transmit FIFO control register */
+ /*FEC_FECTFCR(base_addr) =
+ FEC_FECTFCR_FRM | FEC_FECTFCR_GR | FEC_FECTFCR_MSK;*/
+ FEC_FECTFCR(base_addr) = FEC_FECTFCR_FRM | FEC_FECTFCR_GR
+ | (FEC_FECTFCR_MSK
+ /* disable all but ... */
+ & ~FEC_FECTFCR_FAE
+ /* enable frame accept error */
+ /* & ~FEC_FECTFCR_TXW */
+ /*enable transmit wait condition*/
+ /*& ~FEC_FECTFCR_UF*/
+ /*enable FIFO underflow*/
+ & ~FEC_FECTFCR_OF);
+ /* enable FIFO overflow */
+
+ /* Set the transmit FIFO alarm register */
+ FEC_FECTFAR(base_addr) = FEC_FECTFAR_ALARM;
+
+ /* Set the Tx FIFO watermark */
+ FEC_FECTFWR(base_addr) = FEC_FECTFWR_XWMRK;
+
+ /* Enable the transmitter to append the CRC */
+ FEC_CTCWR(base_addr) = FEC_CTCWR_TFCW_CRC;
+
+ /* Enable the ethernet interrupts */
+ /*FEC_EIMR(base_addr) = FEC_EIMR_MASK;*/
+ FEC_EIMR(base_addr) = FEC_EIMR_DISABLE
+ | FEC_EIR_LC
+ | FEC_EIR_RL
+ | FEC_EIR_HBERR
+ | FEC_EIR_XFUN
+ | FEC_EIR_XFERR
+ | FEC_EIR_RFERR;
+
+#if 0
+ error_code = init_transceiver(base_addr, &fduplex);
+ if (error_code != 0) {
+ printk(KERN_ERR "Initialization of the "
+ "transceiver is failed\n");
+ goto ERRORS;
+ }
+#else
+ fduplex = 1;
+#endif
+ if (fduplex)
+ /* Enable the full duplex mode */
+ FEC_TCR(base_addr) = FEC_TCR_FDEN | FEC_TCR_HBC;
+ else
+ /* Disable reception of frames while transmitting */
+ FEC_RCR(base_addr) |= FEC_RCR_DRT;
+
+ /* Enable MIB */
+ FEC_MIBC(base_addr) = FEC_MIBC_ENABLE;
+
+ /* Enable FEC */
+ FEC_ECR(base_addr) |= FEC_ECR_ETHEREN;
+ FEC_MSCR(dev->base_addr) = FEC_MII_SPEED;
+ /* Initialize tx descriptors and start DMA for the transmission */
+ for (i = 0; i < FEC_TX_BUF_NUMBER; i++)
+ fp->fecpriv_txdesc[i].statCtrl = MCD_FEC_INTERRUPT;
+
+ fp->fecpriv_txdesc[i - 1].statCtrl |= MCD_FEC_WRAP;
+
+ fp->fecpriv_current_tx = fp->fecpriv_next_tx = 0;
+
+ MCD_startDma(fp->fecpriv_fec_tx_channel, (char *) fp->fecpriv_txdesc, 0,
+ (unsigned char *) &(FEC_FECTFDR(base_addr)), 0,
+ FEC_MAX_FRM_SIZE, 0, fp->fecpriv_initiator_tx,
+ FEC_TX_DMA_PRI, MCD_FECTX_DMA | MCD_INTERRUPT,
+ MCD_NO_CSUM | MCD_NO_BYTE_SWAP);
+
+ /* Initialize rx descriptors and start DMA for the reception */
+ for (i = 0; i < FEC_RX_BUF_NUMBER; i++) {
+ fp->askb_rx[i] = alloc_skb(FEC_MAXBUF_SIZE + 16, GFP_DMA);
+ if (!fp->askb_rx[i]) {
+ fp->fecpriv_rxdesc[i].dataPointer = 0;
+ fp->fecpriv_rxdesc[i].statCtrl = 0;
+ fp->fecpriv_rxdesc[i].length = 0;
+ } else {
+ skb_reserve(fp->askb_rx[i], 16);
+ fp->askb_rx[i]->dev = dev;
+ fp->fecpriv_rxdesc[i].dataPointer =
+ (unsigned int)virt_to_phys(fp->askb_rx[i]->tail);
+ fp->fecpriv_rxdesc[i].statCtrl =
+ MCD_FEC_BUF_READY | MCD_FEC_INTERRUPT;
+ fp->fecpriv_rxdesc[i].length = FEC_MAXBUF_SIZE;
+ }
+ }
+
+ fp->fecpriv_rxdesc[i - 1].statCtrl |= MCD_FEC_WRAP;
+ fp->fecpriv_current_rx = 0;
+
+ MCD_startDma(fp->fecpriv_fec_rx_channel, (char *) fp->fecpriv_rxdesc, 0,
+ (unsigned char *) &(FEC_FECRFDR(base_addr)), 0,
+ FEC_MAX_FRM_SIZE, 0, fp->fecpriv_initiator_rx,
+ FEC_RX_DMA_PRI, MCD_FECRX_DMA | MCD_INTERRUPT,
+ MCD_NO_CSUM | MCD_NO_BYTE_SWAP);
+
+ netif_start_queue(dev);
+ return 0;
+
+ERRORS:
+
+ /* Remove the channels and return with the error code */
+ if (fp->fecpriv_fec_rx_channel != -1) {
+ dma_disconnect(fp->fecpriv_fec_rx_channel);
+ dma_remove_channel_by_number(fp->fecpriv_fec_rx_channel);
+ fp->fecpriv_fec_rx_channel = -1;
+ }
+
+ if (fp->fecpriv_fec_tx_channel != -1) {
+ dma_disconnect(fp->fecpriv_fec_tx_channel);
+ dma_remove_channel_by_number(fp->fecpriv_fec_tx_channel);
+ fp->fecpriv_fec_tx_channel = -1;
+ }
+
+ return error_code;
+}
+
+/************************************************************************
+* NAME: mcf547x_fec_close
+*
+* DESCRIPTION: This function performs the graceful stop of the
+* transmission and disables FEC
+*
+* RETURNS: This function always returns zero.
+*************************************************************************/
+static int mcf547x_fec_close(struct net_device *dev)
+{
+ struct fec_priv *fp = netdev_priv(dev);
+ unsigned long base_addr = (unsigned long) dev->base_addr;
+ unsigned long time;
+ int i;
+
+ netif_stop_queue(dev);
+ phy_disconnect(fp->phydev);
+ phy_stop(fp->phydev);
+ /* Perform the graceful stop */
+ FEC_TCR(base_addr) |= FEC_TCR_GTS;
+
+ time = jiffies;
+
+ /* Wait for the graceful stop */
+ while (!(FEC_EIR(base_addr) & FEC_EIR_GRA) && jiffies - time <
+ (FEC_GR_TIMEOUT * HZ))
+ schedule();
+
+ /* Disable FEC */
+ FEC_ECR(base_addr) = FEC_ECR_DISABLE;
+
+ /* Reset the DMA channels */
+ spin_lock_irq(&fp->fecpriv_lock);
+ MCD_killDma(fp->fecpriv_fec_tx_channel);
+ spin_unlock_irq(&fp->fecpriv_lock);
+ dma_remove_channel_by_number(fp->fecpriv_fec_tx_channel);
+ dma_disconnect(fp->fecpriv_fec_tx_channel);
+ fp->fecpriv_fec_tx_channel = -1;
+
+ for (i = 0; i < FEC_TX_BUF_NUMBER; i++) {
+ kfree(fp->fecpriv_txbuf[i]);
+ fp->fecpriv_txbuf[i] = NULL;
+ }
+
+ spin_lock_irq(&fp->fecpriv_lock);
+ MCD_killDma(fp->fecpriv_fec_rx_channel);
+ spin_unlock_irq(&fp->fecpriv_lock);
+
+ dma_remove_channel_by_number(fp->fecpriv_fec_rx_channel);
+ dma_disconnect(fp->fecpriv_fec_rx_channel);
+ fp->fecpriv_fec_rx_channel = -1;
+
+ for (i = 0; i < FEC_RX_BUF_NUMBER; i++) {
+ if (fp->askb_rx[i]) {
+ kfree_skb(fp->askb_rx[i]);
+ fp->askb_rx[i] = NULL;
+ }
+ }
+
+ return 0;
+}
+
+/************************************************************************
+* +NAME: mcf547x_fec_get_stat
+*
+* RETURNS: This function returns the statistical information.
+*************************************************************************/
+static struct net_device_stats *mcf547x_fec_get_stats(struct net_device *dev)
+{
+ struct fec_priv *fp = netdev_priv(dev);
+ unsigned long base_addr = dev->base_addr;
+
+ /* Receive the statistical information */
+ fp->fecpriv_stat.rx_packets = FECSTAT_RMON_R_PACKETS(base_addr);
+ fp->fecpriv_stat.tx_packets = FECSTAT_RMON_T_PACKETS(base_addr);
+ fp->fecpriv_stat.rx_bytes = FECSTAT_RMON_R_OCTETS(base_addr);
+ fp->fecpriv_stat.tx_bytes = FECSTAT_RMON_T_OCTETS(base_addr);
+
+ fp->fecpriv_stat.multicast = FECSTAT_RMON_R_MC_PKT(base_addr);
+ fp->fecpriv_stat.collisions = FECSTAT_RMON_T_COL(base_addr);
+
+ fp->fecpriv_stat.rx_length_errors =
+ FECSTAT_RMON_R_UNDERSIZE(base_addr) +
+ FECSTAT_RMON_R_OVERSIZE(base_addr) +
+ FECSTAT_RMON_R_FRAG(base_addr) +
+ FECSTAT_RMON_R_JAB(base_addr);
+ fp->fecpriv_stat.rx_crc_errors = FECSTAT_IEEE_R_CRC(base_addr);
+ fp->fecpriv_stat.rx_frame_errors = FECSTAT_IEEE_R_ALIGN(base_addr);
+ fp->fecpriv_stat.rx_over_errors = FECSTAT_IEEE_R_MACERR(base_addr);
+
+ fp->fecpriv_stat.tx_carrier_errors = FECSTAT_IEEE_T_CSERR(base_addr);
+ fp->fecpriv_stat.tx_fifo_errors = FECSTAT_IEEE_T_MACERR(base_addr);
+ fp->fecpriv_stat.tx_window_errors = FECSTAT_IEEE_T_LCOL(base_addr);
+
+ /* I hope that one frame doesn't have more than one error */
+ fp->fecpriv_stat.rx_errors = fp->fecpriv_stat.rx_length_errors +
+ fp->fecpriv_stat.rx_crc_errors +
+ fp->fecpriv_stat.rx_frame_errors +
+ fp->fecpriv_stat.rx_over_errors +
+ fp->fecpriv_stat.rx_dropped;
+ fp->fecpriv_stat.tx_errors = fp->fecpriv_stat.tx_carrier_errors +
+ fp->fecpriv_stat.tx_fifo_errors +
+ fp->fecpriv_stat.tx_window_errors +
+ fp->fecpriv_stat.tx_aborted_errors +
+ fp->fecpriv_stat.tx_heartbeat_errors +
+ fp->fecpriv_stat.tx_dropped;
+
+ return &fp->fecpriv_stat;
+}
+
+/************************************************************************
+* NAME: mcf547x_fec_set_multicast_list
+*
+* DESCRIPTION: This function sets the frame filtering parameters
+*************************************************************************/
+static void mcf547x_fec_set_multicast_list(struct net_device *dev)
+{
+ unsigned int crc, data;
+ int j, k;
+ unsigned long base_addr = (unsigned long) dev->base_addr;
+ struct netdev_hw_addr *ha;
+
+ if (dev->flags & IFF_PROMISC || dev->flags & IFF_ALLMULTI) {
+ /* Allow all incoming frames */
+ FEC_GALR(base_addr) = 0xFFFFFFFF;
+ FEC_GAUR(base_addr) = 0xFFFFFFFF;
+ return;
+ }
+
+ /* Reset the group address register */
+ FEC_GALR(base_addr) = 0x00000000;
+ FEC_GAUR(base_addr) = 0x00000000;
+
+ /* Process all addresses */
+ netdev_for_each_mc_addr(ha, dev) {
+ /* Processing must be only for the group addresses */
+ if (!(ha->addr[0] & 1))
+ continue;
+
+ /* Calculate crc value for the current address */
+ crc = 0xFFFFFFFF;
+ for (j = 0; j < dev->addr_len; j++) {
+ data = ha->addr[j];
+ for (k = 0; k < 8; k++, data >>= 1) {
+ if ((crc ^ data) & 1)
+ crc = (crc >> 1) ^ FEC_CRCPOL;
+ else
+ crc >>= 1;
+ }
+ }
+
+ /* Add this value */
+ crc >>= 26;
+ crc &= 0x3F;
+ if (crc > 31)
+ FEC_GAUR(base_addr) |= 0x1 << (crc - 32);
+ else
+ FEC_GALR(base_addr) |= 0x1 << crc;
+ }
+}
+
+/************************************************************************
+* NAME: mcf547x_fec_set_mac_address
+*
+* DESCRIPTION: This function sets the MAC address
+*************************************************************************/
+static int mcf547x_fec_set_mac_address(struct net_device *dev, void *p)
+{
+ struct fec_priv *fp = netdev_priv(dev);
+ unsigned long base_addr = (unsigned long) dev->base_addr;
+ struct sockaddr *addr = p;
+
+ if (netif_running(dev))
+ return -EBUSY;
+
+ /* Copy a new address to the device structure */
+ memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
+
+ /* Copy a new address to the private structure */
+ memcpy(fp->fecpriv_mac_addr, addr->sa_data, 6);
+
+ /* Set the address to the registers */
+ FEC_PALR(base_addr) = (fp->fecpriv_mac_addr[0] << 24) |
+ (fp->fecpriv_mac_addr[1] << 16) |
+ (fp->fecpriv_mac_addr[2] << 8) |
+ fp->fecpriv_mac_addr[3];
+ FEC_PAUR(base_addr) = (fp->fecpriv_mac_addr[4] << 24) |
+ (fp->fecpriv_mac_addr[5] << 16) |
+ 0x8808;
+
+ return 0;
+}
+
+/************************************************************************
+* NAME: mcf547x_fec_start_xmit
+*
+* DESCRIPTION: This function starts transmission of the frame using DMA
+*
+* RETURNS: This function always returns zero.
+*************************************************************************/
+static int mcf547x_fec_start_xmit(struct sk_buff *skb, struct net_device *dev)
+{
+ struct fec_priv *fp = netdev_priv(dev);
+ void *data, *data_aligned;
+ int offset;
+
+ data = kmalloc(skb->len + 15, GFP_DMA | GFP_ATOMIC);
+
+ if (!data) {
+ fp->fecpriv_stat.tx_dropped++;
+ dev_kfree_skb(skb);
+ return 0;
+ }
+
+ offset = (((unsigned long)virt_to_phys(data) + 15) & 0xFFFFFFF0) -
+ (unsigned long)virt_to_phys(data);
+ data_aligned = (void *)((unsigned long)data + offset);
+ memcpy(data_aligned, skb->data, skb->len);
+
+ /* flush data cache before initializing
+ * the descriptor and starting DMA */
+
+ spin_lock_irq(&fp->fecpriv_lock);
+
+ /* Initialize the descriptor */
+ fp->fecpriv_txbuf[fp->fecpriv_next_tx] = data;
+ fp->fecpriv_txdesc[fp->fecpriv_next_tx].dataPointer
+ = (unsigned int) virt_to_phys(data_aligned);
+ fp->fecpriv_txdesc[fp->fecpriv_next_tx].length = skb->len;
+ fp->fecpriv_txdesc[fp->fecpriv_next_tx].statCtrl
+ |= (MCD_FEC_END_FRAME | MCD_FEC_BUF_READY);
+ fp->fecpriv_next_tx = (fp->fecpriv_next_tx + 1) & FEC_TX_INDEX_MASK;
+
+ if (fp->fecpriv_txbuf[fp->fecpriv_current_tx]
+ && fp->fecpriv_current_tx == fp->fecpriv_next_tx)
+ netif_stop_queue(dev);
+
+ spin_unlock_irq(&fp->fecpriv_lock);
+
+ /* Tell the DMA to continue the transmission */
+ MCD_continDma(fp->fecpriv_fec_tx_channel);
+
+ dev_kfree_skb(skb);
+
+ dev->trans_start = jiffies;
+
+ return 0;
+}
+
+/************************************************************************
+* NAME: mcf547x_fec_tx_timeout
+*
+* DESCRIPTION: If the interrupt processing of received frames was lost
+* and DMA stopped the reception, this function clears
+* the transmission descriptors and starts DMA
+*
+*************************************************************************/
+static void mcf547x_fec_tx_timeout(struct net_device *dev)
+{
+ int i;
+ struct fec_priv *fp = netdev_priv(dev);
+ unsigned long base_addr = (unsigned long) dev->base_addr;
+
+ spin_lock_irq(&fp->fecpriv_lock);
+ MCD_killDma(fp->fecpriv_fec_tx_channel);
+ for (i = 0; i < FEC_TX_BUF_NUMBER; i++) {
+ kfree(fp->fecpriv_txbuf[i]);
+ fp->fecpriv_txbuf[i] = NULL;
+ fp->fecpriv_txdesc[i].statCtrl = MCD_FEC_INTERRUPT;
+ }
+ fp->fecpriv_txdesc[i - 1].statCtrl |= MCD_FEC_WRAP;
+
+ fp->fecpriv_current_tx = fp->fecpriv_next_tx = 0;
+
+ /* Reset FIFOs */
+ FEC_FECFRST(base_addr) |= FEC_SW_RST;
+ FEC_FECFRST(base_addr) &= ~FEC_SW_RST;
+
+ /* Reset and disable FEC */
+ /* FEC_ECR(base_addr) = FEC_ECR_RESET; */
+
+ /* Enable FEC */
+ FEC_ECR(base_addr) |= FEC_ECR_ETHEREN;
+
+ MCD_startDma(fp->fecpriv_fec_tx_channel, (char *) fp->fecpriv_txdesc, 0,
+ (unsigned char *) &(FEC_FECTFDR(base_addr)), 0,
+ FEC_MAX_FRM_SIZE, 0, fp->fecpriv_initiator_tx,
+ FEC_TX_DMA_PRI, MCD_FECTX_DMA | MCD_INTERRUPT,
+ MCD_NO_CSUM | MCD_NO_BYTE_SWAP);
+
+ spin_unlock_irq(&fp->fecpriv_lock);
+
+ netif_wake_queue(dev);
+
+}
+
+static const struct net_device_ops mcf547x_fec_netdev_ops = {
+ .ndo_open = mcf547x_fec_open,
+ .ndo_stop = mcf547x_fec_close,
+ .ndo_start_xmit = mcf547x_fec_start_xmit,
+ .ndo_set_multicast_list = mcf547x_fec_set_multicast_list,
+ .ndo_set_mac_address = mcf547x_fec_set_mac_address,
+ .ndo_tx_timeout = mcf547x_fec_tx_timeout,
+ .ndo_get_stats = mcf547x_fec_get_stats,
+};
+
+/*
+ * Initialize a FEC device
+ */
+int fec_enet_init(struct net_device *dev, int slot)
+{
+ struct fec_priv *fp = netdev_priv(dev);
+ int i;
+
+ fp->index = slot;
+ fp->netdev = dev;
+ fec_dev[slot] = dev;
+
+ if (slot == 0) {
+ /* disable fec0 */
+ FEC_ECR(FEC_BASE_ADDR_FEC0) = FEC_ECR_DISABLE;
+
+ /* setup the interrupt handler */
+ dev->irq = 64 + ISC_FEC0;
+
+ if (request_irq(dev->irq, fec_interrupt_handler,
+ IRQF_DISABLED, "ColdFire FEC 0", dev)) {
+ dev->irq = 0;
+ printk(KERN_ERR "Cannot allocate FEC0 IRQ\n");
+ } else {
+ /* interrupt priority and level */
+ MCF_ICR(ISC_FEC0) = ILP_FEC0;
+ }
+
+ /* fec base address */
+ dev->base_addr = FEC_BASE_ADDR_FEC0;
+
+ /* requestor numbers */
+ fp->fecpriv_rx_requestor = DMA_FEC0_RX;
+ fp->fecpriv_tx_requestor = DMA_FEC0_TX;
+
+ /* fec0 handlers */
+ fp->fecpriv_interrupt_fec_rx_handler =
+ fec_interrupt_fec_rx_handler_fec0;
+ fp->fecpriv_interrupt_fec_tx_handler =
+ fec_interrupt_fec_tx_handler_fec0;
+
+ /* tx descriptors */
+ fp->fecpriv_txdesc = (void *)FEC_TX_DESC_FEC0;
+
+ /* rx descriptors */
+ fp->fecpriv_rxdesc = (void *)FEC_RX_DESC_FEC0;
+
+ /* mac addr
+ if (uboot_enet0[0] || uboot_enet0[1] || uboot_enet0[2] ||
+ uboot_enet0[3] || uboot_enet0[4] || uboot_enet0[5]) {
+ use uboot enet 0 addr
+ memcpy(fec_mac_addr_fec0, uboot_enet0, 6);
+ }*/
+ fec_mac_addr_fec0[0] =
+ (FEC_PALR(FEC_BASE_ADDR_FEC0) >> 24) & 0xFF;
+ fec_mac_addr_fec0[1] =
+ (FEC_PALR(FEC_BASE_ADDR_FEC0) >> 16) & 0xFF;
+ fec_mac_addr_fec0[2] =
+ (FEC_PALR(FEC_BASE_ADDR_FEC0) >> 8) & 0xFF;
+ fec_mac_addr_fec0[3] =
+ (FEC_PALR(FEC_BASE_ADDR_FEC0)) & 0xFF;
+ fec_mac_addr_fec0[4] =
+ (FEC_PAUR(FEC_BASE_ADDR_FEC0) >> 24) & 0xFF;
+ fec_mac_addr_fec0[5] =
+ (FEC_PAUR(FEC_BASE_ADDR_FEC0) >> 16) & 0xFF;
+
+ fp->fecpriv_mac_addr = fec_mac_addr_fec0;
+ } else {
+ /* disable fec1 */
+ FEC_ECR(FEC_BASE_ADDR_FEC1) = FEC_ECR_DISABLE;
+#ifdef FEC_2
+ /* setup the interrupt handler */
+ dev->irq = 64 + ISC_FEC1;
+
+ if (request_irq(dev->irq, fec_interrupt_handler,
+ IRQF_DISABLED, "ColdFire FEC 1", dev)) {
+ dev->irq = 0;
+ printk(KERN_ERR "Cannot allocate FEC1 IRQ\n");
+ } else {
+ /* interrupt priority and level */
+ MCF_ICR(ISC_FEC1) = ILP_FEC1;
+ }
+
+ /* fec base address */
+ dev->base_addr = FEC_BASE_ADDR_FEC1;
+
+ /* requestor numbers */
+ fp->fecpriv_rx_requestor = DMA_FEC1_RX;
+ fp->fecpriv_tx_requestor = DMA_FEC1_TX;
+
+ /* fec1 handlers */
+ fp->fecpriv_interrupt_fec_rx_handler =
+ fec_interrupt_fec_rx_handler_fec1;
+ fp->fecpriv_interrupt_fec_tx_handler =
+ fec_interrupt_fec_tx_handler_fec1;
+
+ /* tx descriptors */
+ fp->fecpriv_txdesc = (void *)FEC_TX_DESC_FEC1;
+
+ /* rx descriptors */
+ fp->fecpriv_rxdesc = (void *)FEC_RX_DESC_FEC1;
+
+ /* mac addr
+ if (uboot_enet1[0] || uboot_enet1[1] || uboot_enet1[2] ||
+ uboot_enet1[3] || uboot_enet1[4] || uboot_enet1[5]) {
+ use uboot enet 1 addr
+ memcpy(fec_mac_addr_fec1, uboot_enet1, 6);
+ }*/
+ fec_mac_addr_fec1[0] =
+ (FEC_PALR(FEC_BASE_ADDR_FEC1) >> 24) & 0xFF;
+ fec_mac_addr_fec1[1] =
+ (FEC_PALR(FEC_BASE_ADDR_FEC1) >> 16) & 0xFF;
+ fec_mac_addr_fec1[2] =
+ (FEC_PALR(FEC_BASE_ADDR_FEC1) >> 8) & 0xFF;
+ fec_mac_addr_fec1[3] =
+ (FEC_PALR(FEC_BASE_ADDR_FEC1)) & 0xFF;
+ fec_mac_addr_fec1[4] =
+ (FEC_PAUR(FEC_BASE_ADDR_FEC1) >> 24) & 0xFF;
+ fec_mac_addr_fec1[5] =
+ (FEC_PAUR(FEC_BASE_ADDR_FEC1) >> 16) & 0xFF;
+
+ fp->fecpriv_mac_addr = fec_mac_addr_fec1;
+#endif
+ }
+
+ /* clear MIB */
+ memset((void *) (dev->base_addr + 0x200), 0, FEC_MIB_LEN);
+
+ /* clear the statistics structure */
+ memset((void *) &(fp->fecpriv_stat), 0,
+ sizeof(struct net_device_stats));
+
+ /* grab the FEC initiators */
+ dma_set_initiator(fp->fecpriv_tx_requestor);
+ fp->fecpriv_initiator_tx = dma_get_initiator(fp->fecpriv_tx_requestor);
+ dma_set_initiator(fp->fecpriv_rx_requestor);
+ fp->fecpriv_initiator_rx = dma_get_initiator(fp->fecpriv_rx_requestor);
+
+ /* reset the DMA channels */
+ fp->fecpriv_fec_rx_channel = -1;
+ fp->fecpriv_fec_tx_channel = -1;
+
+ for (i = 0; i < FEC_RX_BUF_NUMBER; i++)
+ fp->askb_rx[i] = NULL;
+
+ /* initialize the pointers to the socket buffers */
+ for (i = 0; i < FEC_TX_BUF_NUMBER; i++)
+ fp->fecpriv_txbuf[i] = NULL;
+
+ ether_setup(dev);
+
+ dev->netdev_ops = &mcf547x_fec_netdev_ops;
+ dev->watchdog_timeo = FEC_TX_TIMEOUT * HZ;
+
+ memcpy(dev->dev_addr, fp->fecpriv_mac_addr, ETH_ALEN);
+
+ spin_lock_init(&fp->fecpriv_lock);
+
+ /* Initialize FEC/I2C/IRQ Pin Assignment Register*/
+ FEC_GPIO_PAR_FECI2CIRQ &= 0xF;
+ FEC_GPIO_PAR_FECI2CIRQ |= FEC_FECI2CIRQ;
+
+ return 0;
+}
+
+/*
+ * Module Initialization
+ */
+int __init fec_init(void)
+{
+ struct net_device *dev;
+ int i;
+ int err;
+ struct fec_priv *fep;
+
+ printk(KERN_INFO "FEC ENET (DMA) Version %s\n", VERSION);
+
+ for (i = 0; i < FEC_MAX_PORTS; i++) {
+ dev = alloc_etherdev(sizeof(struct fec_priv));
+ if (!dev)
+ return -ENOMEM;
+ err = fec_enet_init(dev, i);
+ if (err) {
+ free_netdev(dev);
+ continue;
+ }
+
+ fep = netdev_priv(dev);
+ FEC_MSCR(dev->base_addr) = FEC_MII_SPEED;
+#ifdef CONFIG_FEC_548x_SHARED_PHY
+ if (i == 0)
+ err = fec_mdio_register(dev, i);
+ else {
+ struct fec_priv *priv0 = netdev_priv(fec_dev[0]);
+ fep->mdio_bus = priv0->mdio_bus;
+ printk(KERN_INFO "FEC%d SHARED the %s ok\n",
+ i, fep->mdio_bus->name);
+ }
+#else
+ err = fec_mdio_register(dev, i);
+#endif
+ if (err) {
+ printk(KERN_ERR "%s: ethernet fec_mdio_register\n",
+ dev->name);
+ free_netdev(dev);
+ return -ENOMEM;
+ }
+
+ if (register_netdev(dev) != 0) {
+ free_netdev(dev);
+ return -EIO;
+ }
+
+ printk(KERN_INFO "%s: ethernet %s\n",
+ dev->name, dev->dev_addr);
+ }
+ return 0;
+}
+
+/*
+ * Stop a device
+ */
+void fec_stop(struct net_device *dev)
+{
+ struct fec_priv *fp = netdev_priv(dev);
+
+ dma_remove_initiator(fp->fecpriv_initiator_tx);
+ dma_remove_initiator(fp->fecpriv_initiator_rx);
+
+ if (dev->irq)
+ free_irq(dev->irq, dev);
+}
+
+/************************************************************************
+* NAME: fec_interrupt_tx_handler
+*
+* DESCRIPTION: This function is called when the data
+* transmission from the buffer to the FEC is completed.
+*
+*************************************************************************/
+void fec_interrupt_fec_tx_handler(struct net_device *dev)
+{
+ struct fec_priv *fp = netdev_priv(dev);
+
+ /* Release the socket buffer */
+ kfree(fp->fecpriv_txbuf[fp->fecpriv_current_tx]);
+ fp->fecpriv_txbuf[fp->fecpriv_current_tx] = NULL;
+
+ fp->fecpriv_current_tx =
+ (fp->fecpriv_current_tx + 1) & FEC_TX_INDEX_MASK;
+
+ if (MCD_dmaStatus(fp->fecpriv_fec_tx_channel) == MCD_DONE) {
+ for (; fp->fecpriv_current_tx != fp->fecpriv_next_tx;
+ fp->fecpriv_current_tx =
+ (fp->fecpriv_current_tx + 1)
+ & FEC_TX_INDEX_MASK) {
+ if (fp->fecpriv_txbuf[fp->fecpriv_current_tx]) {
+ kfree(fp->fecpriv_txbuf[
+ fp->fecpriv_current_tx]);
+ fp->fecpriv_txbuf[fp->fecpriv_current_tx]
+ = NULL;
+ }
+ }
+ }
+
+ if (netif_queue_stopped(dev))
+ netif_wake_queue(dev);
+}
+
+/************************************************************************
+* NAME: fec_interrupt_rx_handler
+*
+* DESCRIPTION: This function is called when the data
+* reception from the FEC to the reception buffer is completed.
+*
+*************************************************************************/
+void fec_interrupt_fec_rx_handler(struct net_device *dev)
+{
+ struct fec_priv *fp = netdev_priv(dev);
+ struct sk_buff *skb;
+ int i;
+
+ fp->fecpriv_rxflag = 1;
+ /* Some buffers can be missed */
+ if (!(fp->fecpriv_rxdesc[fp->fecpriv_current_rx].statCtrl
+ & MCD_FEC_END_FRAME)) {
+ /* Find a valid index */
+ for (i = 0; ((i < FEC_RX_BUF_NUMBER) &&
+ !(fp->fecpriv_rxdesc[
+ fp->fecpriv_current_rx].statCtrl
+ & MCD_FEC_END_FRAME)); i++,
+ (fp->fecpriv_current_rx =
+ (fp->fecpriv_current_rx + 1)
+ & FEC_RX_INDEX_MASK))
+ ;
+
+ if (i == FEC_RX_BUF_NUMBER) {
+ /* There are no data to process */
+ /* Tell the DMA to continue the reception */
+ MCD_continDma(fp->fecpriv_fec_rx_channel);
+
+ fp->fecpriv_rxflag = 0;
+
+ return;
+ }
+ }
+
+ for (; fp->fecpriv_rxdesc[fp->fecpriv_current_rx].statCtrl
+ & MCD_FEC_END_FRAME;
+ fp->fecpriv_current_rx = (fp->fecpriv_current_rx + 1)
+ & FEC_RX_INDEX_MASK) {
+ if ((fp->fecpriv_rxdesc[fp->fecpriv_current_rx].length
+ <= FEC_MAXBUF_SIZE) &&
+ (fp->fecpriv_rxdesc[fp->fecpriv_current_rx].length
+ > 4)) {
+ /* --tym-- */
+ skb = fp->askb_rx[fp->fecpriv_current_rx];
+ if (!skb)
+ fp->fecpriv_stat.rx_dropped++;
+ else {
+ /*
+ * flush data cache before initializing
+ * the descriptor and starting DMA
+ */
+ skb_put(skb,
+ (fp->fecpriv_rxdesc[
+ fp->fecpriv_current_rx].length - 4));
+ skb->protocol = eth_type_trans(skb, dev);
+ netif_rx(skb);
+ }
+ fp->fecpriv_rxdesc[fp->fecpriv_current_rx].statCtrl &=
+ ~MCD_FEC_END_FRAME;
+ /* allocate new skbuff */
+ fp->askb_rx[fp->fecpriv_current_rx] =
+ alloc_skb(FEC_MAXBUF_SIZE + 16,
+ /*GFP_ATOMIC |*/ GFP_DMA);
+ if (!fp->askb_rx[fp->fecpriv_current_rx]) {
+ fp->fecpriv_rxdesc[
+ fp->fecpriv_current_rx].dataPointer
+ = 0;
+ fp->fecpriv_rxdesc[
+ fp->fecpriv_current_rx].length = 0;
+ fp->fecpriv_stat.rx_dropped++;
+ } else {
+ skb_reserve(
+ fp->askb_rx[fp->fecpriv_current_rx], 16);
+ fp->askb_rx[fp->fecpriv_current_rx]->dev = dev;
+
+ /*
+ * flush data cache before initializing
+ * the descriptor and starting DMA
+ */
+
+ fp->fecpriv_rxdesc[
+ fp->fecpriv_current_rx].dataPointer =
+ (unsigned int) virt_to_phys(
+ fp->askb_rx[
+ fp->fecpriv_current_rx]->tail);
+ fp->fecpriv_rxdesc[
+ fp->fecpriv_current_rx].length =
+ FEC_MAXBUF_SIZE;
+ fp->fecpriv_rxdesc[
+ fp->fecpriv_current_rx].statCtrl |=
+ MCD_FEC_BUF_READY;
+
+ /*
+ * flush data cache before initializing
+ * the descriptor and starting DMA
+ */
+ }
+ }
+
+ }
+
+ /* Tell the DMA to continue the reception */
+ MCD_continDma(fp->fecpriv_fec_rx_channel);
+
+ fp->fecpriv_rxflag = 0;
+}
+
+/************************************************************************
+* NAME: fec_interrupt_handler
+*
+* DESCRIPTION: This function is called when some special errors occur
+*
+*************************************************************************/
+irqreturn_t fec_interrupt_handler(int irq, void *dev_id)
+{
+
+ struct net_device *dev = (struct net_device *)dev_id;
+ struct fec_priv *fp = netdev_priv(dev);
+ unsigned long base_addr = (unsigned long) dev->base_addr;
+ unsigned long events;
+
+ /* Read and clear the events */
+ events = FEC_EIR(base_addr) & FEC_EIMR(base_addr);
+
+ if (events & FEC_EIR_HBERR) {
+ fp->fecpriv_stat.tx_heartbeat_errors++;
+ FEC_EIR(base_addr) = FEC_EIR_HBERR;
+ }
+
+ /* receive/transmit FIFO error */
+ if (((events & FEC_EIR_RFERR) != 0)
+ || ((events & FEC_EIR_XFERR) != 0)) {
+ /* kill DMA receive channel */
+ MCD_killDma(fp->fecpriv_fec_rx_channel);
+
+ /* kill running transmission by DMA */
+ MCD_killDma(fp->fecpriv_fec_tx_channel);
+
+ /* Reset FIFOs */
+ FEC_FECFRST(base_addr) |= FEC_SW_RST;
+ FEC_FECFRST(base_addr) &= ~FEC_SW_RST;
+
+ /* reset receive FIFO status register */
+ FEC_FECRFSR(base_addr) = FEC_FECRFSR_FAE |
+ FEC_FECRFSR_RXW |
+ FEC_FECRFSR_UF;
+
+ /* reset transmit FIFO status register */
+ FEC_FECTFSR(base_addr) = FEC_FECTFSR_FAE |
+ FEC_FECTFSR_TXW |
+ FEC_FECTFSR_UF |
+ FEC_FECTFSR_OF;
+
+ /* reset RFERR and XFERR event */
+ FEC_EIR(base_addr) = FEC_EIR_RFERR | FEC_EIR_XFERR;
+
+ /* stop queue */
+ netif_stop_queue(dev);
+
+ /* execute reinitialization as tasklet */
+ tasklet_schedule(&fp->fecpriv_tasklet_reinit);
+
+ fp->fecpriv_stat.rx_dropped++;
+ }
+
+ /* transmit FIFO underrun */
+ if ((events & FEC_EIR_XFUN) != 0) {
+ /* reset XFUN event */
+ FEC_EIR(base_addr) = FEC_EIR_XFUN;
+ fp->fecpriv_stat.tx_aborted_errors++;
+ }
+
+ /* late collision */
+ if ((events & FEC_EIR_LC) != 0) {
+ /* reset LC event */
+ FEC_EIR(base_addr) = FEC_EIR_LC;
+ fp->fecpriv_stat.tx_aborted_errors++;
+ }
+
+ /* collision retry limit */
+ if ((events & FEC_EIR_RL) != 0) {
+ /* reset RL event */
+ FEC_EIR(base_addr) = FEC_EIR_RL;
+ fp->fecpriv_stat.tx_aborted_errors++;
+ }
+ return 0;
+}
+
+/************************************************************************
+* NAME: fec_interrupt_reinit
+*
+* DESCRIPTION: This function is called from interrupt handler
+* when controller must be reinitialized.
+*
+*************************************************************************/
+void fec_interrupt_fec_reinit(unsigned long data)
+{
+ int i;
+ struct net_device *dev = (struct net_device *)data;
+ struct fec_priv *fp = netdev_priv(dev);
+ unsigned long base_addr = (unsigned long) dev->base_addr;
+
+ /* Initialize reception descriptors and start DMA for the reception */
+ for (i = 0; i < FEC_RX_BUF_NUMBER; i++) {
+ if (!fp->askb_rx[i]) {
+ fp->askb_rx[i] = alloc_skb(FEC_MAXBUF_SIZE + 16,
+ GFP_ATOMIC | GFP_DMA);
+ if (!fp->askb_rx[i]) {
+ fp->fecpriv_rxdesc[i].dataPointer = 0;
+ fp->fecpriv_rxdesc[i].statCtrl = 0;
+ fp->fecpriv_rxdesc[i].length = 0;
+ continue;
+ }
+ fp->askb_rx[i]->dev = dev;
+ skb_reserve(fp->askb_rx[i], 16);
+ }
+ fp->fecpriv_rxdesc[i].dataPointer =
+ (unsigned int) virt_to_phys(fp->askb_rx[i]->tail);
+ fp->fecpriv_rxdesc[i].statCtrl =
+ MCD_FEC_BUF_READY | MCD_FEC_INTERRUPT;
+ fp->fecpriv_rxdesc[i].length = FEC_MAXBUF_SIZE;
+ }
+
+ fp->fecpriv_rxdesc[i - 1].statCtrl |= MCD_FEC_WRAP;
+ fp->fecpriv_current_rx = 0;
+
+ /* restart frame transmission */
+ for (i = 0; i < FEC_TX_BUF_NUMBER; i++) {
+ kfree(fp->fecpriv_txbuf[i]);
+ fp->fecpriv_txbuf[i] = NULL;
+ fp->fecpriv_stat.tx_dropped++;
+ fp->fecpriv_txdesc[i].statCtrl = MCD_FEC_INTERRUPT;
+ }
+ fp->fecpriv_txdesc[i - 1].statCtrl |= MCD_FEC_WRAP;
+ fp->fecpriv_current_tx = fp->fecpriv_next_tx = 0;
+
+ /* flush entire data cache before restarting the DMA */
+
+ /* restart DMA from beginning */
+ MCD_startDma(fp->fecpriv_fec_rx_channel,
+ (char *) fp->fecpriv_rxdesc, 0,
+ (unsigned char *) &(FEC_FECRFDR(base_addr)), 0,
+ FEC_MAX_FRM_SIZE, 0, fp->fecpriv_initiator_rx,
+ FEC_RX_DMA_PRI, MCD_FECRX_DMA | MCD_INTERRUPT,
+ MCD_NO_CSUM | MCD_NO_BYTE_SWAP);
+
+ MCD_startDma(fp->fecpriv_fec_tx_channel, (char *) fp->fecpriv_txdesc, 0,
+ (unsigned char *) &(FEC_FECTFDR(base_addr)), 0,
+ FEC_MAX_FRM_SIZE, 0, fp->fecpriv_initiator_tx,
+ FEC_TX_DMA_PRI, MCD_FECTX_DMA | MCD_INTERRUPT,
+ MCD_NO_CSUM | MCD_NO_BYTE_SWAP);
+
+ /* Enable FEC */
+ FEC_ECR(base_addr) |= FEC_ECR_ETHEREN;
+
+ netif_wake_queue(dev);
+}
+
+/************************************************************************
+* NAME: fec_interrupt_tx_handler_fec0
+*
+* DESCRIPTION: This is the DMA interrupt handler using for FEC0
+* transmission.
+*
+*************************************************************************/
+void fec_interrupt_fec_tx_handler_fec0(void)
+{
+ fec_interrupt_fec_tx_handler(fec_dev[0]);
+}
+
+#ifdef FEC_2
+/************************************************************************
+* NAME: fec_interrupt_tx_handler_fec1
+*
+* DESCRIPTION: This is the DMA interrupt handler using for the FEC1
+* transmission.
+*
+*************************************************************************/
+void fec_interrupt_fec_tx_handler_fec1(void)
+{
+ fec_interrupt_fec_tx_handler(fec_dev[1]);
+}
+#endif
+
+/************************************************************************
+* NAME: fec_interrupt_rx_handler_fec0
+*
+* DESCRIPTION: This is the DMA interrupt handler using for the FEC0
+* reception.
+*
+*************************************************************************/
+void fec_interrupt_fec_rx_handler_fec0(void)
+{
+ fec_interrupt_fec_rx_handler(fec_dev[0]);
+}
+
+#ifdef FEC_2
+/************************************************************************
+* NAME: fec_interrupt_rx_handler_fec1
+*
+* DESCRIPTION: This is the DMA interrupt handler using for the FEC1
+* reception.
+*
+*************************************************************************/
+void fec_interrupt_fec_rx_handler_fec1(void)
+{
+ fec_interrupt_fec_rx_handler(fec_dev[1]);
+}
+
+#endif
+
+#ifndef MODULE
+/************************************************************************
+* NAME: fec_mac_setup0
+*
+* DESCRIPTION: This function sets the MAC address of FEC0 from command line
+*
+*************************************************************************/
+int __init fec_mac_setup0(char *s)
+{
+ if (!s || !*s)
+ return 1;
+
+ if (fec_str_to_mac(s, fec_mac_addr_fec0))
+ printk(KERN_ERR "The MAC address of FEC0 "
+ "cannot be set from command line");
+ return 1;
+}
+
+#ifdef FEC_2
+
+/************************************************************************
+* NAME: fec_mac_setup1
+*
+* DESCRIPTION: This function sets the MAC address of FEC1 from command line
+*
+*************************************************************************/
+int __init fec_mac_setup1(char *s)
+{
+ if (!s || !*s)
+ return 1;
+
+ if (fec_str_to_mac(s, fec_mac_addr_fec1))
+ printk(KERN_ERR "The MAC address of FEC1 "
+ "cannot be set from command line\n");
+ return 1;
+}
+#endif
+
+/************************************************************************
+* NAME: fec_str_to_mac
+*
+* DESCRIPTION: This function interprets the character string into MAC addr
+*
+*************************************************************************/
+int fec_str_to_mac(char *str_mac, unsigned char* addr)
+{
+ unsigned long val;
+ char c;
+ unsigned long octet[6], *octetptr = octet;
+ int i;
+
+again:
+ val = 0;
+ while ((c = *str_mac) != '\0') {
+ if ((c >= '0') && (c <= '9')) {
+ val = (val * 16) + (c - '0');
+ str_mac++;
+ continue;
+ } else if (((c >= 'a') && (c <= 'f'))
+ || ((c >= 'A') && (c <= 'F'))) {
+ val = (val << 4) +
+ (c + 10 -
+ (((c >= 'a') && (c <= 'f')) ? 'a' : 'A'));
+ str_mac++;
+ continue;
+ }
+ break;
+ }
+ if (*str_mac == ':') {
+ *octetptr++ = val, str_mac++;
+ if (octetptr >= octet + 6)
+ return 1;
+ goto again;
+ }
+
+ /* Check for trailing characters */
+ if (*str_mac && !(*str_mac == ' '))
+ return 1;
+
+ *octetptr++ = val;
+
+ if ((octetptr - octet) == 6) {
+ for (i = 0; i <= 6; i++)
+ addr[i] = octet[i];
+ } else
+ return 1;
+
+ return 0;
+}
+#endif
--- /dev/null
+++ b/drivers/net/fec_m547x.h
@@ -0,0 +1,241 @@
+#ifndef FEC_M547X_H
+#define FEC_M547X_H
+/*
+ * Copyright (C) 2007-2011 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#define FEC_BASE_ADDR_FEC0 ((unsigned int)MCF_MBAR + 0x9000)
+#define FEC_BASE_ADDR_FEC1 ((unsigned int)MCF_MBAR + 0x9800)
+
+#define FEC_FECI2CIRQ (0xFFC0)
+#define FEC_GPIO_PAR_FECI2CIRQ \
+ (*(volatile unsigned short *)((unsigned int)MCF_MBAR + 0xA44))
+
+#define FEC_ECR_DISABLE (0x00000000)
+
+#define FEC_ECR(x) \
+ (*(volatile unsigned int *)(x + 0x024))
+#define FEC_EIR(x) \
+ (*(volatile unsigned int *)(x + 0x004))
+#define FEC_PALR(x) \
+ (*(volatile unsigned int *)(x + 0x0E4))
+#define FEC_PAUR(x) \
+ (*(volatile unsigned int *)(x + 0x0E8))
+#define FEC_IALR(x) \
+ (*(volatile unsigned int *)(x + 0x11C))
+#define FEC_IAUR(x) \
+ (*(volatile unsigned int *)(x + 0x118))
+#define FEC_GALR(x) \
+ (*(volatile unsigned int *)(x + 0x124))
+#define FEC_GAUR(x) \
+ (*(volatile unsigned int *)(x + 0x120))
+#define FEC_RCR(x) \
+ (*(volatile unsigned int *)(x + 0x084))
+#define FEC_FECRFCR(x) \
+ (*(volatile unsigned int *)(x + 0x18C))
+#define FEC_FECRFAR(x) \
+ (*(volatile unsigned int *)(x + 0x198))
+#define FEC_FECTFCR(x) \
+ (*(volatile unsigned int *)(x + 0x1AC))
+#define FEC_FECTFAR(x) \
+ (*(volatile unsigned int *)(x + 0x1B8))
+#define FEC_FECTFWR(x) \
+ (*(volatile unsigned int *)(x + 0x144))
+#define FEC_CTCWR(x) \
+ (*(volatile unsigned int *)(x + 0x1C8))
+#define FEC_EIMR(x) \
+ (*(volatile unsigned int *)(x + 0x008))
+#define FEC_TCR(x) \
+ (*(volatile unsigned int *)(x + 0x0C4))
+#define FEC_MIBC(x) \
+ (*(volatile unsigned int *)(x + 0x064))
+#define FEC_MSCR(x) \
+ (*(volatile unsigned int *)(x + 0x044))
+#define FEC_FECTFDR(x) \
+ (*(volatile unsigned int *)(x + 0x1A4))
+#define FEC_FECRFDR(x) \
+ (*(volatile unsigned int *)(x + 0x184))
+#define FEC_FECTFSR(x) \
+ (*(volatile unsigned int *)(x + 0x1A8))
+#define FEC_FECRFSR(x) \
+ (*(volatile unsigned int *)(x + 0x188))
+#define FECSTAT_RMON_R_PACKETS(x) \
+ (*(volatile unsigned int *)(x + 0x284))
+#define FECSTAT_RMON_T_PACKETS(x) \
+ (*(volatile unsigned int *)(x + 0x204))
+#define FECSTAT_RMON_R_OCTETS(x) \
+ (*(volatile unsigned int *)(x + 0x2C4))
+#define FECSTAT_RMON_T_OCTETS(x) \
+ (*(volatile unsigned int *)(x + 0x244))
+#define FECSTAT_RMON_R_UNDERSIZE(x) \
+ (*(volatile unsigned int *)(x + 0x294))
+#define FECSTAT_RMON_R_OVERSIZE(x) \
+ (*(volatile unsigned int *)(x + 0x298))
+#define FECSTAT_RMON_R_FRAG(x) \
+ (*(volatile unsigned int *)(x + 0x29C))
+#define FECSTAT_RMON_R_JAB(x) \
+ (*(volatile unsigned int *)(x + 0x2A0))
+#define FECSTAT_RMON_R_MC_PKT(x) \
+ (*(volatile unsigned int *)(x + 0x28C))
+#define FECSTAT_RMON_T_COL(x) \
+ (*(volatile unsigned int *)(x + 0x224))
+#define FECSTAT_IEEE_R_ALIGN(x) \
+ (*(volatile unsigned int *)(x + 0x2D4))
+#define FECSTAT_IEEE_R_CRC(x) \
+ (*(volatile unsigned int *)(x + 0x2D0))
+#define FECSTAT_IEEE_R_MACERR(x) \
+ (*(volatile unsigned int *)(x + 0x2D8))
+#define FECSTAT_IEEE_T_CSERR(x) \
+ (*(volatile unsigned int *)(x + 0x268))
+#define FECSTAT_IEEE_T_MACERR(x) \
+ (*(volatile unsigned int *)(x + 0x264))
+#define FECSTAT_IEEE_T_LCOL(x) \
+ (*(volatile unsigned int *)(x + 0x25C))
+#define FECSTAT_IEEE_R_OCTETS_OK(x) \
+ (*(volatile unsigned int *)(x + 0x2E0))
+#define FECSTAT_IEEE_T_OCTETS_OK(x) \
+ (*(volatile unsigned int *)(x + 0x274))
+#define FECSTAT_IEEE_R_DROP(x) \
+ (*(volatile unsigned int *)(x + 0x2C8))
+#define FECSTAT_IEEE_T_DROP(x) \
+ (*(volatile unsigned int *)(x + 0x248))
+#define FECSTAT_IEEE_R_FRAME_OK(x) \
+ (*(volatile unsigned int *)(x + 0x2CC))
+#define FECSTAT_IEEE_T_FRAME_OK(x) \
+ (*(volatile unsigned int *)(x + 0x24C))
+#define FEC_MMFR(x) \
+ (*(volatile unsigned int *)(x + 0x040))
+#define FEC_FECFRST(x) \
+ (*(volatile unsigned int *)(x + 0x1C4))
+
+#define FEC_MAX_FRM_SIZE (1518)
+#define FEC_MAXBUF_SIZE (1520)
+
+/* Register values */
+#define FEC_ECR_RESET (0x00000001)
+#define FEC_EIR_CLEAR (0xFFFFFFFF)
+#define FEC_EIR_RL (0x00100000)
+#define FEC_EIR_HBERR (0x80000000)
+#define FEC_EIR_BABR (0x40000000)
+/* babbling receive error */
+#define FEC_EIR_BABT (0x20000000)
+/* babbling transmit error */
+#define FEC_EIR_TXF (0x08000000)
+/* transmit frame interrupt */
+#define FEC_EIR_MII (0x00800000)
+/* MII interrupt */
+#define FEC_EIR_LC (0x00200000)
+/* late collision */
+#define FEC_EIR_XFUN (0x00080000)
+/* transmit FIFO underrun */
+#define FEC_EIR_XFERR (0x00040000)
+/* transmit FIFO error */
+#define FEC_EIR_RFERR (0x00020000)
+/* receive FIFO error */
+#define FEC_RCR_MAX_FRM_SIZE (FEC_MAX_FRM_SIZE << 16)
+#define FEC_RCR_MII (0x00000004)
+#define FEC_FECRFCR_FAE (0x00400000)
+/* frame accept error */
+#define FEC_FECRFCR_RXW (0x00200000)
+/* receive wait condition */
+#define FEC_FECRFCR_UF (0x00100000)
+/* receive FIFO underflow */
+#define FEC_FECRFCR_FRM (0x08000000)
+#define FEC_FECRFCR_GR (0x7 << 24)
+
+#define FEC_EIMR_DISABLE (0x00000000)
+
+#define FEC_FECRFAR_ALARM (0x300)
+#define FEC_FECTFCR_FRM (0x08000000)
+#define FEC_FECTFCR_GR (0x7 << 24)
+#define FEC_FECTFCR_FAE (0x00400000)
+/* frame accept error */
+#define FEC_FECTFCR_TXW (0x00040000)
+/* transmit wait condition */
+#define FEC_FECTFCR_UF (0x00100000)
+/* transmit FIFO underflow */
+#define FEC_FECTFCR_OF (0x00080000)
+/* transmit FIFO overflow */
+
+#define FEC_FECTFAR_ALARM (0x100)
+#define FEC_FECTFWR_XWMRK (0x00000000)
+
+#define FEC_FECTFSR_MSK (0xC0B00000)
+#define FEC_FECTFSR_TXW (0x40000000)
+/* transmit wait condition */
+#define FEC_FECTFSR_FAE (0x00800000)
+/* frame accept error */
+#define FEC_FECTFSR_UF (0x00200000)
+/* transmit FIFO underflow */
+#define FEC_FECTFSR_OF (0x00100000)
+/* transmit FIFO overflow */
+
+#define FEC_FECRFSR_MSK (0x80F00000)
+#define FEC_FECRFSR_FAE (0x00800000)
+/* frame accept error */
+#define FEC_FECRFSR_RXW (0x00400000)
+/* receive wait condition */
+#define FEC_FECRFSR_UF (0x00200000)
+/* receive FIFO underflow */
+
+#define FEC_CTCWR_TFCW_CRC (0x03000000)
+#define FEC_TCR_FDEN (0x00000004)
+#define FEC_TCR_HBC (0x00000002)
+#define FEC_RCR_DRT (0x00000002)
+#define FEC_EIMR_MASK (FEC_EIR_RL | FEC_EIR_HBERR)
+#define FEC_ECR_ETHEREN (0x00000002)
+#define FEC_FECTFCR_MSK (0x00FC0000)
+#define FEC_FECRFCR_MSK (0x00F80000)
+#define FEC_EIR_GRA (0x10000000)
+#define FEC_TCR_GTS (0x00000001)
+#define FEC_MIBC_ENABLE (0x00000000)
+#define FEC_MIB_LEN (228)
+#define FEC_PHY_ADDR (0x01)
+
+#define FEC_RX_DMA_PRI (6)
+#define FEC_TX_DMA_PRI (6)
+
+#define FEC_TX_BUF_NUMBER (8)
+#define FEC_RX_BUF_NUMBER (64)
+
+#define FEC_TX_INDEX_MASK (0x7)
+#define FEC_RX_INDEX_MASK (0x3f)
+
+#define FEC_RX_DESC_FEC0 SYS_SRAM_FEC_START
+#define FEC_TX_DESC_FEC0 \
+ (FEC_RX_DESC_FEC0 + FEC_RX_BUF_NUMBER * sizeof(MCD_bufDescFec))
+
+#define FEC_RX_DESC_FEC1 \
+ (SYS_SRAM_FEC_START + SYS_SRAM_FEC_SIZE/2)
+#define FEC_TX_DESC_FEC1 \
+ (FEC_RX_DESC_FEC1 + FEC_RX_BUF_NUMBER * sizeof(MCD_bufDescFec))
+
+#define FEC_EIR_MII (0x00800000)
+#define FEC_MMFR_READ (0x60020000)
+#define FEC_MMFR_WRITE (0x50020000)
+
+#define FEC_FLAGS_RX (0x00000001)
+
+#define FEC_CRCPOL (0xEDB88320)
+
+#define FEC_MII_TIMEOUT (2)
+#define FEC_GR_TIMEOUT (1)
+#define FEC_TX_TIMEOUT (1)
+#define FEC_RX_TIMEOUT (1)
+
+#define FEC_SW_RST 0x2000000
+#define FEC_RST_CTL 0x1000000
+
+int fec_read_mii(unsigned int base_addr, unsigned int pa, unsigned int ra,
+ unsigned int *data);
+int fec_write_mii(unsigned int base_addr, unsigned int pa, unsigned int ra,
+ unsigned int data);
+
+#define FEC_MII_SPEED \
+ ((MCF_CLK / 2) / ((2500000 / 2) * 2))
+#endif
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
@@ -62,6 +62,11 @@ config BROADCOM_PHY
Currently supports the BCM5411, BCM5421, BCM5461, BCM5464, BCM5481
and BCM5482 PHYs.
+config BROADCOM5222_PHY
+ tristate "Drivers for Broadcom5222 PHY"
+ ---help---
+ Currently supports the BCM5222 PHYs.
+
config BCM63XX_PHY
tristate "Drivers for Broadcom 63xx SOCs internal PHY"
---help---
@@ -82,6 +87,16 @@ config NATIONAL_PHY
---help---
Currently supports the DP83865 PHY.
+config NATIONAL8364x_PHY
+ tristate "Drivers for National Semiconductor dp83640 PHYs"
+ ---help---
+ Currently supports the DP83640 PHY.
+
+config NATIONAL8384x_PHY
+ tristate "Drivers for National Semiconductor dp83848 dp83849 PHYs"
+ ---help---
+ Currently supports the DP83848 PHY.
+
config STE10XP
depends on PHYLIB
tristate "Driver for STMicroelectronics STe10Xp PHYs"
--- a/drivers/net/phy/Makefile
+++ b/drivers/net/phy/Makefile
@@ -12,6 +12,7 @@ obj-$(CONFIG_QSEMI_PHY) += qsemi.o
obj-$(CONFIG_SMSC_PHY) += smsc.o
obj-$(CONFIG_VITESSE_PHY) += vitesse.o
obj-$(CONFIG_BROADCOM_PHY) += broadcom.o
+obj-$(CONFIG_BROADCOM5222_PHY) += broadcom522x.o
obj-$(CONFIG_BCM63XX_PHY) += bcm63xx.o
obj-$(CONFIG_ICPLUS_PHY) += icplus.o
obj-$(CONFIG_ADM6996_PHY) += adm6996.o
@@ -28,6 +29,8 @@ obj-$(CONFIG_FIXED_PHY) += fixed.o
obj-$(CONFIG_MDIO_BITBANG) += mdio-bitbang.o
obj-$(CONFIG_MDIO_GPIO) += mdio-gpio.o
obj-$(CONFIG_NATIONAL_PHY) += national.o
+obj-$(CONFIG_NATIONAL8364x_PHY) +=national836x.o
+obj-$(CONFIG_NATIONAL8384x_PHY) +=national8384x.o
obj-$(CONFIG_STE10XP) += ste10Xp.o
obj-$(CONFIG_MICREL_PHY) += micrel.o
obj-$(CONFIG_MDIO_OCTEON) += mdio-octeon.o
--- /dev/null
+++ b/drivers/net/phy/broadcom522x.c
@@ -0,0 +1,170 @@
+/*
+ * Copyright (C) 2009-2011 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Chenghu Wu <b16972@freescale.com>
+ *
+ * Driver for broadcom PHYs 522x
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/mii.h>
+#include <linux/ethtool.h>
+#include <linux/phy.h>
+#include <linux/netdevice.h>
+
+/* DP83865 phy identifier values */
+#define BCM5222_PHY_ID 0x00406320
+
+/* PHY Register */
+#define BCM5222_TIMEOUT 0x100
+
+/* MII Registers */
+#define BCM5222_CTRL 0x00
+#define BCM5222_STATUS 0x01
+#define BCM5222_ID_HIGH 0x02
+#define BCM5222_ID_LOW 0x03
+#define BCM5222_AN_ADV 0x04
+#define BCM5222_AN_LP 0x05
+#define BCM5222_AN_EXP 0x06
+#define BCM5222_AN_NEXTPG 0x07
+#define BCM5222_AN_LP_NPTX 0x08
+#define BCM5222_AUX_CS 0x18
+#define BCM5222_AUX_STATUS 0x19
+
+/* CONTROL Bits */
+#define BCM5222_CTRL_RESET 0x8000
+#define BCM5222_CTRL_LOOPBACK 0x4000
+#define BCM5222_CTRL_FORCE 0x2000
+#define BCM5222_CTRL_AUTOEN 0x1000
+#define BCM5222_CTRL_PWRDN 0x0800
+#define BCM5222_CTRL_ISOLATE 0x0400
+#define BCM5222_CTRL_RESTART 0x0200
+#define BCM5222_CTRL_DUPLEX 0x0100
+#define BCM5222_CTRL_COLLEN 0x0080
+
+/* STATUS Bits */
+#define BCM5222_STATUS_100T4 0x8000
+#define BCM5222_STATUS_100TXFDX 0x4000
+#define BCM5222_STATUS_100TX 0x2000
+#define BCM5222_STATUS_10FDX 0x1000
+#define BCM5222_STATUS_10 0x0800
+#define BCM5222_STATUS_MF_PREAMBLE 0x0040
+#define BCM5222_STATUS_AN_COMPLETE 0x0020
+#define BCM5222_STATUS_REMOTE_FAULT 0x0010
+#define BCM5222_STATUS_AN_CAPABLE 0x0008
+#define BCM5222_STATUS_LINK 0x0004
+#define BCM5222_STATUS_JABBER 0x0002
+#define BCM5222_STATUS_EXT_CAP 0x0001
+
+/* ID Values */
+#define BCM5222_ID_HIGH_VAL 0x0040
+#define BCM5222_ID_LOW_VAL 0x6320
+
+/* Advertise Bits */
+#define BCM5222_AN_ADV_NEXTPG 0x8000
+#define BCM5222_AN_ADV_REMOTE_FAULT 0x2000
+#define BCM5222_AN_ADV_PAUSE 0x0400
+#define BCM5222_AN_ADV_100T4 0x0200
+#define BCM5222_AN_ADV_100TXFDX 0x0100
+#define BCM5222_AN_ADV_100TX 0x0080
+#define BCM5222_AN_ADV_10FDX 0x0040
+#define BCM5222_AN_ADV_10 0x0020
+#define BCM5222_AN_ADV_8023 0x0001
+#define BCM5222_AN_ADV_ALL \
+ (BCM5222_AN_ADV_100TXFDX | \
+ BCM5222_AN_ADV_100TXFDX | \
+ BCM5222_AN_ADV_100TX | \
+ BCM5222_AN_ADV_10FDX | \
+ BCM5222_AN_ADV_10 | \
+ BCM5222_AN_ADV_8023)
+
+/* AUX CTRL/STATUS Bits */
+#define BCM5222_AUX_CS_JABBER_DIS 0x8000
+#define BCM5222_AUX_CS_FORCE_LINK 0x4000
+#define BCM5222_AUX_CS_10M_TX_PWR 0x0100
+#define BCM5222_AUX_CS_HSQ_LSQ_MASK 0x00c0
+#define BCM5222_AUX_CS_EDGE_RATE_MASK 0x0030
+#define BCM5222_AUX_CS_AN_IND 0x0008
+#define BCM5222_AUX_CS_SPEED_FORCE 0x0004
+#define BCM5222_AUX_CS_SPEED 0x0002
+#define BCM5222_AUX_CS_DUPLEX 0x0001
+
+/* AUX STATUS Bits */
+#define BCM5222_AUX_STATUS_AN_COMP 0x8000
+#define BCM5222_AUX_STATUS_AN_COMPACK 0x4000
+#define BCM5222_AUX_STATUS_AN_ACKDET 0x2000
+#define BCM5222_AUX_STATUS_AN_ABDET 0x1000
+#define BCM5222_AUX_STATUS_AN_PAUSE 0x0800
+#define BCM5222_AUX_STATUS_AN_HCDMASK 0x0700
+#define BCM5222_AUX_STATUS_AN_PDFAULT 0x0080
+#define BCM5222_AUX_STATUS_LP_RMTFAULT 0x0040
+#define BCM5222_AUX_STATUS_LP_PGRX 0x0020
+#define BCM5222_AUX_STATUS_LP_NEGABLE 0x0010
+#define BCM5222_AUX_STATUS_SPEED 0x0008
+#define BCM5222_AUX_STATUS_LINK 0x0004
+#define BCM5222_AUX_STATUS_AN_EN 0x0002
+#define BCM5222_AUX_STATUS_JABBER 0x0001
+
+static int bcm5222_config_intr(struct phy_device *phydev)
+{
+ int err = 0;
+ printk(KERN_INFO "%s PHY_INTERRUPT %x\n",
+ __func__, phydev->interrupts);
+
+ return err;
+}
+
+static int bcm5222_ack_interrupt(struct phy_device *phydev)
+{
+ return 0;
+}
+
+static int bcm5222_config_init(struct phy_device *phydev)
+{
+ return bcm5222_ack_interrupt(phydev);
+}
+
+static struct phy_driver bcm5222_driver = {
+ .phy_id = BCM5222_PHY_ID,
+ .phy_id_mask = 0xfffffff0,
+ .name = "Broadcom BCM5222",
+ .features = PHY_BASIC_FEATURES,
+ .flags = PHY_HAS_INTERRUPT,
+ .config_init = bcm5222_config_init,
+ .config_aneg = genphy_config_aneg,
+ .read_status = genphy_read_status,
+ .ack_interrupt = bcm5222_ack_interrupt,
+ .config_intr = bcm5222_config_intr,
+ .driver = {.owner = THIS_MODULE,}
+};
+
+static int __init bcm5222_init(void)
+{
+ int ret;
+
+ ret = phy_driver_register(&bcm5222_driver);
+ if (ret)
+ goto err1;
+
+ return 0;
+err1:
+ printk(KERN_INFO "register bcm5222 PHY driver fail\n");
+ return ret;
+}
+
+static void __exit bcm5222_exit(void)
+{
+ phy_driver_unregister(&bcm5222_driver);
+}
+
+MODULE_DESCRIPTION("Broadcom PHY driver");
+MODULE_LICENSE("GPL v2");
+
+module_init(bcm5222_init);
+module_exit(bcm5222_exit);
--- /dev/null
+++ b/drivers/net/phy/national836x.c
@@ -0,0 +1,104 @@
+/*
+ * Copyright (C) 2009-2011 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Chenghu Wu <b16972@freescale.com>
+ *
+ * Driver for National Semiconductor PHYs 83640
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/mii.h>
+#include <linux/ethtool.h>
+#include <linux/phy.h>
+#include <linux/netdevice.h>
+
+/* DP83640 phy identifier values */
+#define DP83640_PHY_ID 0x20005ce0
+
+/* PHY Status Register */
+#define MII_DP83640_PHYSTST 16
+/* Interrupt Control Register */
+#define MII_DP83640_ICR 17
+/* Interrupt Status and Interrupt EVEN Enable Register */
+#define MII_DP83640_ISR 18
+
+#define MII_DP83640_ICR_IRQEVEN_EN 0x0001
+#define MII_DP83640_ICR_IRQOUTPUT_EN 0x0002
+#define MII_DP83640_ISR_ENERGY_EVEN 0x0040
+#define MII_DP83640_ISR_LINKSTATUS_EVEN 0x0020
+
+static int ns_config_intr(struct phy_device *phydev)
+{
+ int err;
+
+ if (phydev->interrupts == PHY_INTERRUPT_ENABLED) {
+ err = phy_write(phydev, MII_DP83640_ICR,
+ MII_DP83640_ICR_IRQEVEN_EN |
+ MII_DP83640_ICR_IRQOUTPUT_EN);
+ err = phy_write(phydev, MII_DP83640_ICR,
+ MII_DP83640_ISR_ENERGY_EVEN |
+ MII_DP83640_ISR_LINKSTATUS_EVEN);
+ } else {
+ err = phy_write(phydev, MII_DP83640_ICR, 0);
+ }
+ return err;
+}
+
+static int ns83640_ack_interrupt(struct phy_device *phydev)
+{
+ int ret = phy_read(phydev, MII_DP83640_ISR);
+ if (ret < 0) {
+ printk(KERN_INFO "%s MII_DP83640_ISR %x\n",
+ __func__, ret);
+ return ret;
+ }
+ return 0;
+}
+
+static int ns83640_config_init(struct phy_device *phydev)
+{
+ int ret = phy_read(phydev, MII_DP83640_PHYSTST);
+ if (ret < 0) {
+ printk(KERN_INFO "%s MII_DP83640_ISR %x\n",
+ __func__, ret);
+ }
+
+ return ns83640_ack_interrupt(phydev);
+}
+
+static struct phy_driver dp83640_driver = {
+ .phy_id = DP83640_PHY_ID,
+ .phy_id_mask = 0xfffffff0,
+ .name = "NatSemi DP83640",
+ .features = PHY_BASIC_FEATURES,
+ .flags = PHY_HAS_INTERRUPT,
+ .config_init = ns83640_config_init,
+ .config_aneg = genphy_config_aneg,
+ .read_status = genphy_read_status,
+ .ack_interrupt = ns83640_ack_interrupt,
+ .config_intr = ns_config_intr,
+ .driver = {.owner = THIS_MODULE,}
+};
+
+static int __init ns83640_init(void)
+{
+ return phy_driver_register(&dp83640_driver);
+}
+
+static void __exit ns83640_exit(void)
+{
+ phy_driver_unregister(&dp83640_driver);
+}
+
+MODULE_DESCRIPTION("NatSemi PHY driver");
+MODULE_AUTHOR("Chenghu Wu <b16972@freescale.com>");
+MODULE_LICENSE("GPL v2");
+
+module_init(ns83640_init);
+module_exit(ns83640_exit);
--- /dev/null
+++ b/drivers/net/phy/national8384x.c
@@ -0,0 +1,110 @@
+/*
+ * Copyright (C) 2009-2011 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Chenghu Wu <b16972@freescale.com>
+ *
+ * Driver for National Semiconductor PHYs 8384x
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/mii.h>
+#include <linux/ethtool.h>
+#include <linux/phy.h>
+#include <linux/netdevice.h>
+
+/* DP8384x phy identifier values */
+#define DP83848_PHY_ID 0x20005c90
+#define DP83849_PHY_ID 0x20005ca0
+/* PHY Status Register */
+#define MII_DP8384X_PHYSTST 16
+
+static int ns8384x_config_intr(struct phy_device *phydev)
+{
+ int err = 0;
+
+ return err;
+}
+
+static int ns8384x_ack_interrupt(struct phy_device *phydev)
+{
+ return 0;
+}
+
+static int ns8384x_config_init(struct phy_device *phydev)
+{
+ int ret = phy_read(phydev, MII_DP8384X_PHYSTST);
+ if (ret < 0) {
+ printk(KERN_INFO "%s MII_DP83640_ISR %x\n",
+ __func__, ret);
+ }
+
+ return ns8384x_ack_interrupt(phydev);
+}
+
+static struct phy_driver dp83848_driver = {
+ .phy_id = DP83848_PHY_ID,
+ .phy_id_mask = 0xfffffff0,
+ .name = "NatSemi DP83848",
+ .features = PHY_BASIC_FEATURES,
+ .flags = PHY_HAS_INTERRUPT,
+ .config_init = ns8384x_config_init,
+ .config_aneg = genphy_config_aneg,
+ .read_status = genphy_read_status,
+ .ack_interrupt = ns8384x_ack_interrupt,
+ .config_intr = ns8384x_config_intr,
+ .driver = {.owner = THIS_MODULE,}
+};
+
+static struct phy_driver dp83849_driver = {
+ .phy_id = DP83849_PHY_ID,
+ .phy_id_mask = 0xfffffff0,
+ .name = "NatSemi DP83849",
+ .features = PHY_BASIC_FEATURES,
+ .flags = PHY_HAS_INTERRUPT,
+ .config_init = ns8384x_config_init,
+ .config_aneg = genphy_config_aneg,
+ .read_status = genphy_read_status,
+ .ack_interrupt = ns8384x_ack_interrupt,
+ .config_intr = ns8384x_config_intr,
+ .driver = {.owner = THIS_MODULE,}
+};
+
+static int __init ns8384x_init(void)
+{
+ int ret;
+
+ ret = phy_driver_register(&dp83848_driver);
+ if (ret)
+ goto err1;
+
+ ret = phy_driver_register(&dp83849_driver);
+ if (ret)
+ goto err2;
+
+ return 0;
+err2:
+ printk(KERN_INFO "register dp83849 PHY driver fail\n");
+ phy_driver_unregister(&dp83848_driver);
+err1:
+ printk(KERN_INFO "register dp83848 PHY driver fail\n");
+ return ret;
+}
+
+static void __exit ns8384x_exit(void)
+{
+ phy_driver_unregister(&dp83848_driver);
+ phy_driver_unregister(&dp83849_driver);
+}
+
+MODULE_DESCRIPTION("NatSemi PHY driver");
+MODULE_AUTHOR("Chenghu Wu <b16972@freescale.com>");
+MODULE_LICENSE("GPL v2");
+
+module_init(ns8384x_init);
+module_exit(ns8384x_exit);
View Git Blame Copy Permalink