lantiq: add v3.10 patches

Signed-off-by: John Crispin <blogic@openwrt.org>

SVN-Revision: 38031

1 files changed, 1426 insertions, 0 deletions

diff --git a/target/linux/lantiq/patches-3.10/0020-NET-MIPS-lantiq-adds-xrx200-net.patch b/target/linux/lantiq/patches-3.10/0020-NET-MIPS-lantiq-adds-xrx200-net.patch
new file mode 100644
index 0000000000..0b2d36c943
--- /dev/null
+++ b/target/linux/lantiq/patches-3.10/0020-NET-MIPS-lantiq-adds-xrx200-net.patch
@@ -0,0 +1,1426 @@
+From 5c7a5ddaf069b7061e1c7b536756b0b70d37b991 Mon Sep 17 00:00:00 2001
+From: John Crispin <blogic@openwrt.org>
+Date: Mon, 22 Oct 2012 12:22:23 +0200
+Subject: [PATCH 20/34] NET: MIPS: lantiq: adds xrx200-net
+
+---
+ drivers/net/ethernet/Kconfig         |    8 +-
+ drivers/net/ethernet/Makefile        |    1 +
+ drivers/net/ethernet/lantiq_pce.h    |  163 +++++
+ drivers/net/ethernet/lantiq_xrx200.c | 1203 ++++++++++++++++++++++++++++++++++
+ 4 files changed, 1374 insertions(+), 1 deletion(-)
+ create mode 100644 drivers/net/ethernet/lantiq_pce.h
+ create mode 100644 drivers/net/ethernet/lantiq_xrx200.c
+
+diff --git a/drivers/net/ethernet/Kconfig b/drivers/net/ethernet/Kconfig
+index ed956e0..9261fe4 100644
+--- a/drivers/net/ethernet/Kconfig
++++ b/drivers/net/ethernet/Kconfig
+@@ -83,7 +83,13 @@ config LANTIQ_ETOP
+ 	tristate "Lantiq SoC ETOP driver"
+ 	depends on SOC_TYPE_XWAY
+ 	---help---
+-	  Support for the MII0 inside the Lantiq SoC
++	  Support for the MII0 inside the Lantiq ADSL SoC
++
++config LANTIQ_XRX200
++	tristate "Lantiq SoC XRX200 driver"
++	depends on SOC_TYPE_XWAY
++	---help---
++	  Support for the MII0 inside the Lantiq VDSL SoC
+ 
+ source "drivers/net/ethernet/marvell/Kconfig"
+ source "drivers/net/ethernet/mellanox/Kconfig"
+diff --git a/drivers/net/ethernet/Makefile b/drivers/net/ethernet/Makefile
+index 8268d85..e8410d8 100644
+--- a/drivers/net/ethernet/Makefile
++++ b/drivers/net/ethernet/Makefile
+@@ -36,6 +36,7 @@ obj-$(CONFIG_IP1000) += icplus/
+ obj-$(CONFIG_JME) += jme.o
+ obj-$(CONFIG_KORINA) += korina.o
+ obj-$(CONFIG_LANTIQ_ETOP) += lantiq_etop.o
++obj-$(CONFIG_LANTIQ_XRX200) += lantiq_xrx200.o
+ obj-$(CONFIG_NET_VENDOR_MARVELL) += marvell/
+ obj-$(CONFIG_NET_VENDOR_MELLANOX) += mellanox/
+ obj-$(CONFIG_NET_VENDOR_MICREL) += micrel/
+diff --git a/drivers/net/ethernet/lantiq_pce.h b/drivers/net/ethernet/lantiq_pce.h
+new file mode 100644
+index 0000000..0c38efe
+--- /dev/null
++++ b/drivers/net/ethernet/lantiq_pce.h
+@@ -0,0 +1,163 @@
++/*
++ *   This program is free software; you can redistribute it and/or modify it
++ *   under the terms of the GNU General Public License version 2 as published
++ *   by the Free Software Foundation.
++ *
++ *   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.
++ *
++ *   Copyright (C) 2010 Lantiq Deutschland GmbH
++ *   Copyright (C) 2012 John Crispin <blogic@openwrt.org>
++ *
++ *   PCE microcode extracted from UGW5.2 switch api
++ */
++
++/* Switch API Micro Code V0.3 */
++enum {
++	OUT_MAC0 = 0,
++	OUT_MAC1,
++	OUT_MAC2,
++	OUT_MAC3,
++	OUT_MAC4,
++	OUT_MAC5,
++	OUT_ETHTYP,
++	OUT_VTAG0,
++	OUT_VTAG1,
++	OUT_ITAG0,
++	OUT_ITAG1,	/*10 */
++	OUT_ITAG2,
++	OUT_ITAG3,
++	OUT_IP0,
++	OUT_IP1,
++	OUT_IP2,
++	OUT_IP3,
++	OUT_SIP0,
++	OUT_SIP1,
++	OUT_SIP2,
++	OUT_SIP3,	/*20*/
++	OUT_SIP4,
++	OUT_SIP5,
++	OUT_SIP6,
++	OUT_SIP7,
++	OUT_DIP0,
++	OUT_DIP1,
++	OUT_DIP2,
++	OUT_DIP3,
++	OUT_DIP4,
++	OUT_DIP5,	/*30*/
++	OUT_DIP6,
++	OUT_DIP7,
++	OUT_SESID,
++	OUT_PROT,
++	OUT_APP0,
++	OUT_APP1,
++	OUT_IGMP0,
++	OUT_IGMP1,
++	OUT_IPOFF,	/*39*/
++	OUT_NONE =  63
++};
++
++/* parser's microcode length type */
++#define INSTR		0
++#define IPV6		1
++#define LENACCU		2
++
++/* parser's microcode flag type */
++enum {
++	FLAG_ITAG =  0,
++	FLAG_VLAN,
++	FLAG_SNAP,
++	FLAG_PPPOE,
++	FLAG_IPV6,
++	FLAG_IPV6FL,
++	FLAG_IPV4,
++	FLAG_IGMP,
++	FLAG_TU,
++	FLAG_HOP,
++	FLAG_NN1,	/*10 */
++	FLAG_NN2,
++	FLAG_END,
++	FLAG_NO,	/*13*/
++};
++
++/* Micro code version V2_11 (extension for parsing IPv6 in PPPoE) */
++#define MC_ENTRY(val, msk, ns, out, len, type, flags, ipv4_len) \
++	{ {val, msk, (ns<<10 | out<<4 | len>>1), (len&1)<<15 | type<<13 | flags<<9 | ipv4_len<<8 }}
++struct pce_microcode {
++	unsigned short val[4];
++/*	unsigned short val_2;
++	unsigned short val_1;
++	unsigned short val_0;*/
++} pce_microcode[] = {
++	/*      value    mask    ns  fields      L  type     flags       ipv4_len */
++	MC_ENTRY(0x88c3, 0xFFFF,  1, OUT_ITAG0,  4, INSTR,   FLAG_ITAG,  0),
++	MC_ENTRY(0x8100, 0xFFFF,  2, OUT_VTAG0,  2, INSTR,   FLAG_VLAN,  0),
++	MC_ENTRY(0x88A8, 0xFFFF,  1, OUT_VTAG0,  2, INSTR,   FLAG_VLAN,  0),
++	MC_ENTRY(0x8100, 0xFFFF,  1, OUT_VTAG0,  2, INSTR,   FLAG_VLAN,  0),
++	MC_ENTRY(0x8864, 0xFFFF, 17, OUT_ETHTYP, 1, INSTR,   FLAG_NO,    0),
++	MC_ENTRY(0x0800, 0xFFFF, 21, OUT_ETHTYP, 1, INSTR,   FLAG_NO,    0),
++	MC_ENTRY(0x86DD, 0xFFFF, 22, OUT_ETHTYP, 1, INSTR,   FLAG_NO,    0),
++	MC_ENTRY(0x8863, 0xFFFF, 16, OUT_ETHTYP, 1, INSTR,   FLAG_NO,    0),
++	MC_ENTRY(0x0000, 0xF800, 10, OUT_NONE,   0, INSTR,   FLAG_NO,    0),
++	MC_ENTRY(0x0000, 0x0000, 38, OUT_ETHTYP, 1, INSTR,   FLAG_NO,    0),
++	MC_ENTRY(0x0600, 0x0600, 38, OUT_ETHTYP, 1, INSTR,   FLAG_NO,    0),
++	MC_ENTRY(0x0000, 0x0000, 12, OUT_NONE,   1, INSTR,   FLAG_NO,    0),
++	MC_ENTRY(0xAAAA, 0xFFFF, 14, OUT_NONE,   1, INSTR,   FLAG_NO,    0),
++	MC_ENTRY(0x0000, 0x0000, 39, OUT_NONE,   0, INSTR,   FLAG_NO,    0),
++	MC_ENTRY(0x0300, 0xFF00, 39, OUT_NONE,   0, INSTR,   FLAG_SNAP,  0),
++	MC_ENTRY(0x0000, 0x0000, 39, OUT_NONE,   0, INSTR,   FLAG_NO,    0),
++	MC_ENTRY(0x0000, 0x0000, 39, OUT_DIP7,   3, INSTR,   FLAG_NO,    0),
++	MC_ENTRY(0x0000, 0x0000, 18, OUT_DIP7,   3, INSTR,   FLAG_PPPOE, 0),
++	MC_ENTRY(0x0021, 0xFFFF, 21, OUT_NONE,   1, INSTR,   FLAG_NO,    0),
++	MC_ENTRY(0x0057, 0xFFFF, 22, OUT_NONE,   1, INSTR,   FLAG_NO,    0),
++	MC_ENTRY(0x0000, 0x0000, 39, OUT_NONE,   0, INSTR,   FLAG_NO,    0),
++	MC_ENTRY(0x4000, 0xF000, 24, OUT_IP0,    4, INSTR,   FLAG_IPV4,  1),
++	MC_ENTRY(0x6000, 0xF000, 27, OUT_IP0,    3, INSTR,   FLAG_IPV6,  0),
++	MC_ENTRY(0x0000, 0x0000, 39, OUT_NONE,   0, INSTR,   FLAG_NO,    0),
++	MC_ENTRY(0x0000, 0x0000, 25, OUT_IP3,    2, INSTR,   FLAG_NO,    0),
++	MC_ENTRY(0x0000, 0x0000, 26, OUT_SIP0,   4, INSTR,   FLAG_NO,    0),
++	MC_ENTRY(0x0000, 0x0000, 38, OUT_NONE,   0, LENACCU, FLAG_NO,    0),
++	MC_ENTRY(0x1100, 0xFF00, 37, OUT_PROT,   1, INSTR,   FLAG_NO,    0),
++	MC_ENTRY(0x0600, 0xFF00, 37, OUT_PROT,   1, INSTR,   FLAG_NO,    0),
++	MC_ENTRY(0x0000, 0xFF00, 33, OUT_IP3,   17, INSTR,   FLAG_HOP,   0),
++	MC_ENTRY(0x2B00, 0xFF00, 33, OUT_IP3,   17, INSTR,   FLAG_NN1,   0),
++	MC_ENTRY(0x3C00, 0xFF00, 33, OUT_IP3,   17, INSTR,   FLAG_NN2,   0),
++	MC_ENTRY(0x0000, 0x0000, 37, OUT_PROT,   1, INSTR,   FLAG_NO,    0),
++	MC_ENTRY(0x0000, 0xFF00, 33, OUT_NONE,   0, IPV6,    FLAG_HOP,   0),
++	MC_ENTRY(0x2B00, 0xFF00, 33, OUT_NONE,   0, IPV6,    FLAG_NN1,   0),
++	MC_ENTRY(0x3C00, 0xFF00, 33, OUT_NONE,   0, IPV6,    FLAG_NN2,   0),
++	MC_ENTRY(0x0000, 0x0000, 38, OUT_PROT,   1, IPV6,    FLAG_NO,    0),
++	MC_ENTRY(0x0000, 0x0000, 38, OUT_SIP0,  16, INSTR,   FLAG_NO,    0),
++	MC_ENTRY(0x0000, 0x0000, 39, OUT_APP0,   4, INSTR,   FLAG_IGMP,  0),
++	MC_ENTRY(0x0000, 0x0000, 39, OUT_NONE,   0, INSTR,   FLAG_END,   0),
++	MC_ENTRY(0x0000, 0x0000, 39, OUT_NONE,   0, INSTR,   FLAG_END,   0),
++	MC_ENTRY(0x0000, 0x0000, 39, OUT_NONE,   0, INSTR,   FLAG_END,   0),
++	MC_ENTRY(0x0000, 0x0000, 39, OUT_NONE,   0, INSTR,   FLAG_END,   0),
++	MC_ENTRY(0x0000, 0x0000, 39, OUT_NONE,   0, INSTR,   FLAG_END,   0),
++	MC_ENTRY(0x0000, 0x0000, 39, OUT_NONE,   0, INSTR,   FLAG_END,   0),
++	MC_ENTRY(0x0000, 0x0000, 39, OUT_NONE,   0, INSTR,   FLAG_END,   0),
++	MC_ENTRY(0x0000, 0x0000, 39, OUT_NONE,   0, INSTR,   FLAG_END,   0),
++	MC_ENTRY(0x0000, 0x0000, 39, OUT_NONE,   0, INSTR,   FLAG_END,   0),
++	MC_ENTRY(0x0000, 0x0000, 39, OUT_NONE,   0, INSTR,   FLAG_END,   0),
++	MC_ENTRY(0x0000, 0x0000, 39, OUT_NONE,   0, INSTR,   FLAG_END,   0),
++	MC_ENTRY(0x0000, 0x0000, 39, OUT_NONE,   0, INSTR,   FLAG_END,   0),
++	MC_ENTRY(0x0000, 0x0000, 39, OUT_NONE,   0, INSTR,   FLAG_END,   0),
++	MC_ENTRY(0x0000, 0x0000, 39, OUT_NONE,   0, INSTR,   FLAG_END,   0),
++	MC_ENTRY(0x0000, 0x0000, 39, OUT_NONE,   0, INSTR,   FLAG_END,   0),
++	MC_ENTRY(0x0000, 0x0000, 39, OUT_NONE,   0, INSTR,   FLAG_END,   0),
++	MC_ENTRY(0x0000, 0x0000, 39, OUT_NONE,   0, INSTR,   FLAG_END,   0),
++	MC_ENTRY(0x0000, 0x0000, 39, OUT_NONE,   0, INSTR,   FLAG_END,   0),
++	MC_ENTRY(0x0000, 0x0000, 39, OUT_NONE,   0, INSTR,   FLAG_END,   0),
++	MC_ENTRY(0x0000, 0x0000, 39, OUT_NONE,   0, INSTR,   FLAG_END,   0),
++	MC_ENTRY(0x0000, 0x0000, 39, OUT_NONE,   0, INSTR,   FLAG_END,   0),
++	MC_ENTRY(0x0000, 0x0000, 39, OUT_NONE,   0, INSTR,   FLAG_END,   0),
++	MC_ENTRY(0x0000, 0x0000, 39, OUT_NONE,   0, INSTR,   FLAG_END,   0),
++	MC_ENTRY(0x0000, 0x0000, 39, OUT_NONE,   0, INSTR,   FLAG_END,   0),
++	MC_ENTRY(0x0000, 0x0000, 39, OUT_NONE,   0, INSTR,   FLAG_END,   0),
++};
+diff --git a/drivers/net/ethernet/lantiq_xrx200.c b/drivers/net/ethernet/lantiq_xrx200.c
+new file mode 100644
+index 0000000..2d40c64
+--- /dev/null
++++ b/drivers/net/ethernet/lantiq_xrx200.c
+@@ -0,0 +1,1203 @@
++/*
++ *   This program is free software; you can redistribute it and/or modify it
++ *   under the terms of the GNU General Public License version 2 as published
++ *   by the Free Software Foundation.
++ *
++ *   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.
++ *
++ *   Copyright (C) 2010 Lantiq Deutschland
++ *   Copyright (C) 2012 John Crispin <blogic@openwrt.org>
++ */
++
++#include <linux/etherdevice.h>
++#include <linux/module.h>
++#include <linux/platform_device.h>
++#include <linux/interrupt.h>
++#include <linux/clk.h>
++#include <asm/delay.h>
++
++#include <linux/of_net.h>
++#include <linux/of_mdio.h>
++#include <linux/of_gpio.h>
++
++#include <xway_dma.h>
++#include <lantiq_soc.h>
++
++#include "lantiq_pce.h"
++
++#define SW_POLLING
++#define SW_ROUTING
++#define SW_PORTMAP
++
++#ifdef SW_ROUTING
++  #ifdef SW_PORTMAP
++#define XRX200_MAX_DEV		2
++  #else
++#define XRX200_MAX_DEV		2
++  #endif
++#else
++#define XRX200_MAX_DEV		1
++#endif
++
++#define XRX200_MAX_PORT		7
++#define XRX200_MAX_DMA		8
++
++#define XRX200_HEADROOM		4
++
++#define XRX200_TX_TIMEOUT	(10 * HZ)
++
++/* port type */
++#define XRX200_PORT_TYPE_PHY	1
++#define XRX200_PORT_TYPE_MAC	2
++
++/* DMA */
++#define XRX200_DMA_CRC_LEN	0x4
++#define XRX200_DMA_DATA_LEN	0x600
++#define XRX200_DMA_IRQ		INT_NUM_IM2_IRL0
++#define XRX200_DMA_RX		0
++#define XRX200_DMA_TX		1
++#define XRX200_DMA_IS_TX(x)	(x%2)
++#define XRX200_DMA_IS_RX(x)	(!XRX200_DMA_IS_TX(x))
++
++/* fetch / store dma */
++#define FDMA_PCTRL0		0x2A00
++#define FDMA_PCTRLx(x)		(FDMA_PCTRL0 + (x * 0x18))
++#define SDMA_PCTRL0		0x2F00
++#define SDMA_PCTRLx(x)		(SDMA_PCTRL0 + (x * 0x18))
++
++/* buffer management */
++#define BM_PCFG0		0x200
++#define BM_PCFGx(x)		(BM_PCFG0 + (x * 8))
++
++/* MDIO */
++#define MDIO_GLOB		0x0000
++#define MDIO_CTRL		0x0020
++#define MDIO_READ		0x0024
++#define MDIO_WRITE		0x0028
++#define MDIO_PHY0		0x0054
++#define MDIO_PHY(x)		(0x0054 - (x * sizeof(unsigned)))
++#define MDIO_CLK_CFG0		0x002C
++#define MDIO_CLK_CFG1		0x0030
++
++#define MDIO_GLOB_ENABLE	0x8000
++#define MDIO_BUSY		BIT(12)
++#define MDIO_RD			BIT(11)
++#define MDIO_WR			BIT(10)
++#define MDIO_MASK		0x1f
++#define MDIO_ADDRSHIFT		5
++#define MDIO1_25MHZ		9
++
++#define MDIO_PHY_LINK_DOWN	0x4000
++#define MDIO_PHY_LINK_UP	0x2000
++
++#define MDIO_PHY_SPEED_M10	0x0000
++#define MDIO_PHY_SPEED_M100	0x0800
++#define MDIO_PHY_SPEED_G1	0x1000
++
++#define MDIO_PHY_FDUP_EN	0x0600
++#define MDIO_PHY_FDUP_DIS	0x0200
++
++#define MDIO_PHY_LINK_MASK	0x6000
++#define MDIO_PHY_SPEED_MASK	0x1800
++#define MDIO_PHY_FDUP_MASK	0x0600
++#define MDIO_PHY_ADDR_MASK	0x001f
++#define MDIO_UPDATE_MASK	MDIO_PHY_ADDR_MASK | MDIO_PHY_LINK_MASK | \
++					MDIO_PHY_SPEED_MASK | MDIO_PHY_FDUP_MASK
++
++/* MII */
++#define MII_CFG(p)		(p * 8)
++
++#define MII_CFG_EN		BIT(14)
++
++#define MII_CFG_MODE_MIIP	0x0
++#define MII_CFG_MODE_MIIM	0x1
++#define MII_CFG_MODE_RMIIP	0x2
++#define MII_CFG_MODE_RMIIM	0x3
++#define MII_CFG_MODE_RGMII	0x4
++#define MII_CFG_MODE_MASK	0xf
++
++#define MII_CFG_RATE_M2P5	0x00
++#define MII_CFG_RATE_M25	0x10
++#define MII_CFG_RATE_M125	0x20
++#define MII_CFG_RATE_M50	0x30
++#define MII_CFG_RATE_AUTO	0x40
++#define MII_CFG_RATE_MASK	0x70
++
++/* cpu port mac */
++#define PMAC_HD_CTL		0x0000
++#define PMAC_RX_IPG		0x0024
++#define PMAC_EWAN		0x002c
++
++#define PMAC_IPG_MASK		0xf
++#define PMAC_HD_CTL_AS		0x0008
++#define PMAC_HD_CTL_AC		0x0004
++#define PMAC_HD_CTL_RXSH	0x0040
++#define PMAC_HD_CTL_AST		0x0080
++#define PMAC_HD_CTL_RST		0x0100
++
++/* PCE */
++#define PCE_TBL_KEY(x)		(0x1100 + ((7 - x) * 4))
++#define PCE_TBL_MASK		0x1120
++#define PCE_TBL_VAL(x)		(0x1124 + ((4 - x) * 4))
++#define PCE_TBL_ADDR		0x1138
++#define PCE_TBL_CTRL		0x113c
++#define PCE_PMAP1		0x114c
++#define PCE_PMAP2		0x1150
++#define PCE_PMAP3		0x1154
++#define PCE_GCTRL_REG(x)	(0x1158 + (x * 4))
++#define PCE_PCTRL_REG(p, x)	(0x1200 + (((p * 0xa) + x) * 4))
++
++#define PCE_TBL_BUSY		BIT(15)
++#define PCE_TBL_CFG_ADDR_MASK	0x1f
++#define PCE_TBL_CFG_ADWR	0x20
++#define PCE_TBL_CFG_ADWR_MASK	0x60
++#define PCE_INGRESS		BIT(11)
++
++/* MAC */
++#define MAC_FLEN_REG		(0x2314)
++#define MAC_CTRL_REG(p, x)	(0x240c + (((p * 0xc) + x) * 4))
++
++/* buffer management */
++#define BM_PCFG(p)		(0x200 + (p * 8))
++
++/* special tag in TX path header */
++#define SPID_SHIFT		24
++#define DPID_SHIFT		16
++#define DPID_ENABLE		1
++#define SPID_CPU_PORT		2
++#define PORT_MAP_SEL		BIT(15)
++#define PORT_MAP_EN		BIT(14)
++#define PORT_MAP_SHIFT		1
++#define PORT_MAP_MASK		0x3f
++
++#define SPPID_MASK		0x7
++#define SPPID_SHIFT		4
++
++/* MII regs not yet in linux */
++#define MDIO_DEVAD_NONE		(-1)
++#define ADVERTIZE_MPD		(1 << 10)
++
++struct xrx200_port {
++	u8 num;
++	u8 phy_addr;
++	u16 flags;
++	phy_interface_t phy_if;
++
++	int link;
++	int gpio;
++	enum of_gpio_flags gpio_flags;
++
++	struct phy_device *phydev;
++	struct device_node *phy_node;
++};
++
++struct xrx200_chan {
++	int idx;
++	int refcount;
++	int tx_free;
++
++	struct net_device dummy_dev;
++	struct net_device *devs[XRX200_MAX_DEV];
++
++	struct tasklet_struct tasklet;
++	struct napi_struct napi;
++	struct ltq_dma_channel dma;
++	struct sk_buff *skb[LTQ_DESC_NUM];
++};
++
++struct xrx200_hw {
++	struct clk *clk;
++	struct mii_bus *mii_bus;
++
++	struct xrx200_chan chan[XRX200_MAX_DMA];
++
++	struct net_device *devs[XRX200_MAX_DEV];
++	int num_devs;
++
++	int port_map[XRX200_MAX_PORT];
++	unsigned short wan_map;
++
++	spinlock_t lock;
++};
++
++struct xrx200_priv {
++	struct net_device_stats stats;
++	int id;
++
++	struct xrx200_port port[XRX200_MAX_PORT];
++	int num_port;
++	int wan;
++	unsigned short port_map;
++	unsigned char mac[6];
++
++	struct xrx200_hw *hw;
++};
++
++static __iomem void *xrx200_switch_membase;
++static __iomem void *xrx200_mii_membase;
++static __iomem void *xrx200_mdio_membase;
++static __iomem void *xrx200_pmac_membase;
++
++#define ltq_switch_r32(x)	ltq_r32(xrx200_switch_membase + (x))
++#define ltq_switch_w32(x, y)	ltq_w32(x, xrx200_switch_membase + (y))
++#define ltq_switch_w32_mask(x, y, z) \
++			ltq_w32_mask(x, y, xrx200_switch_membase + (z))
++
++#define ltq_mdio_r32(x)		ltq_r32(xrx200_mdio_membase + (x))
++#define ltq_mdio_w32(x, y)	ltq_w32(x, xrx200_mdio_membase + (y))
++#define ltq_mdio_w32_mask(x, y, z) \
++			ltq_w32_mask(x, y, xrx200_mdio_membase + (z))
++
++#define ltq_mii_r32(x)		ltq_r32(xrx200_mii_membase + (x))
++#define ltq_mii_w32(x, y)	ltq_w32(x, xrx200_mii_membase + (y))
++#define ltq_mii_w32_mask(x, y, z) \
++			ltq_w32_mask(x, y, xrx200_mii_membase + (z))
++
++#define ltq_pmac_r32(x)		ltq_r32(xrx200_pmac_membase + (x))
++#define ltq_pmac_w32(x, y)	ltq_w32(x, xrx200_pmac_membase + (y))
++#define ltq_pmac_w32_mask(x, y, z) \
++			ltq_w32_mask(x, y, xrx200_pmac_membase + (z))
++
++static int xrx200_open(struct net_device *dev)
++{
++	struct xrx200_priv *priv = netdev_priv(dev);
++	unsigned long flags;
++	int i;
++
++	for (i = 0; i < XRX200_MAX_DMA; i++) {
++		if (!priv->hw->chan[i].dma.irq)
++			continue;
++		spin_lock_irqsave(&priv->hw->lock, flags);
++		if (!priv->hw->chan[i].refcount) {
++			if (XRX200_DMA_IS_RX(i))
++				napi_enable(&priv->hw->chan[i].napi);
++			ltq_dma_open(&priv->hw->chan[i].dma);
++		}
++		priv->hw->chan[i].refcount++;
++		spin_unlock_irqrestore(&priv->hw->lock, flags);
++	}
++	for (i = 0; i < priv->num_port; i++)
++		if (priv->port[i].phydev)
++			phy_start(priv->port[i].phydev);
++	netif_start_queue(dev);
++
++	return 0;
++}
++
++static int xrx200_close(struct net_device *dev)
++{
++	struct xrx200_priv *priv = netdev_priv(dev);
++	unsigned long flags;
++	int i;
++
++	netif_stop_queue(dev);
++
++	for (i = 0; i < priv->num_port; i++)
++		if (priv->port[i].phydev)
++			phy_stop(priv->port[i].phydev);
++
++	for (i = 0; i < XRX200_MAX_DMA; i++) {
++		if (!priv->hw->chan[i].dma.irq)
++			continue;
++		spin_lock_irqsave(&priv->hw->lock, flags);
++		priv->hw->chan[i].refcount--;
++		if (!priv->hw->chan[i].refcount) {
++			if (XRX200_DMA_IS_RX(i))
++				napi_disable(&priv->hw->chan[i].napi);
++			ltq_dma_close(&priv->hw->chan[XRX200_DMA_RX].dma);
++		}
++		spin_unlock_irqrestore(&priv->hw->lock, flags);
++	}
++
++	return 0;
++}
++
++static int xrx200_alloc_skb(struct xrx200_chan *ch)
++{
++#define DMA_PAD	(NET_IP_ALIGN + NET_SKB_PAD)
++	ch->skb[ch->dma.desc] = dev_alloc_skb(XRX200_DMA_DATA_LEN + DMA_PAD);
++	if (!ch->skb[ch->dma.desc])
++		return -ENOMEM;
++
++	skb_reserve(ch->skb[ch->dma.desc], NET_SKB_PAD);
++	ch->dma.desc_base[ch->dma.desc].addr = dma_map_single(NULL,
++		ch->skb[ch->dma.desc]->data, XRX200_DMA_DATA_LEN,
++			DMA_FROM_DEVICE);
++	ch->dma.desc_base[ch->dma.desc].addr =
++		CPHYSADDR(ch->skb[ch->dma.desc]->data);
++	ch->dma.desc_base[ch->dma.desc].ctl =
++		LTQ_DMA_OWN | LTQ_DMA_RX_OFFSET(NET_IP_ALIGN) |
++		XRX200_DMA_DATA_LEN;
++	skb_reserve(ch->skb[ch->dma.desc], NET_IP_ALIGN);
++
++	return 0;
++}
++
++static void xrx200_hw_receive(struct xrx200_chan *ch, int id)
++{
++	struct net_device *dev = ch->devs[id];
++	struct xrx200_priv *priv = netdev_priv(dev);
++	struct ltq_dma_desc *desc = &ch->dma.desc_base[ch->dma.desc];
++	struct sk_buff *skb = ch->skb[ch->dma.desc];
++	int len = (desc->ctl & LTQ_DMA_SIZE_MASK) - XRX200_DMA_CRC_LEN;
++	unsigned long flags;
++
++	spin_lock_irqsave(&priv->hw->lock, flags);
++	if (xrx200_alloc_skb(ch)) {
++		netdev_err(dev,
++			"failed to allocate new rx buffer, stopping DMA\n");
++		ltq_dma_close(&ch->dma);
++	}
++
++	ch->dma.desc++;
++	ch->dma.desc %= LTQ_DESC_NUM;
++	spin_unlock_irqrestore(&priv->hw->lock, flags);
++
++	skb_put(skb, len);
++#ifdef SW_ROUTING
++	skb_pull(skb, 8);
++#endif
++	skb->dev = dev;
++	skb->protocol = eth_type_trans(skb, dev);
++	netif_receive_skb(skb);
++	priv->stats.rx_packets++;
++	priv->stats.rx_bytes+=len;
++}
++
++static int xrx200_poll_rx(struct napi_struct *napi, int budget)
++{
++	struct xrx200_chan *ch = container_of(napi,
++				struct xrx200_chan, napi);
++	struct xrx200_priv *priv = netdev_priv(ch->devs[0]);
++	int rx = 0;
++	int complete = 0;
++	unsigned long flags;
++
++	while ((rx < budget) && !complete) {
++		struct ltq_dma_desc *desc = &ch->dma.desc_base[ch->dma.desc];
++		if ((desc->ctl & (LTQ_DMA_OWN | LTQ_DMA_C)) == LTQ_DMA_C) {
++#ifdef SW_ROUTING
++			struct sk_buff *skb = ch->skb[ch->dma.desc];
++			u32 *special_tag = (u32*)skb->data;
++			int port = (special_tag[1] >> SPPID_SHIFT) & SPPID_MASK;
++			xrx200_hw_receive(ch, priv->hw->port_map[port]);
++#else
++			xrx200_hw_receive(ch, 0);
++#endif
++			rx++;
++		} else {
++			complete = 1;
++		}
++	}
++	if (complete || !rx) {
++		napi_complete(&ch->napi);
++		spin_lock_irqsave(&priv->hw->lock, flags);
++		ltq_dma_ack_irq(&ch->dma);
++		spin_unlock_irqrestore(&priv->hw->lock, flags);
++	}
++	return rx;
++}
++
++static void xrx200_tx_housekeeping(unsigned long ptr)
++{
++	struct xrx200_hw *hw = (struct xrx200_hw *) ptr;
++	struct xrx200_chan *ch = &hw->chan[XRX200_DMA_TX];
++	unsigned long flags;
++	int i;
++
++	spin_lock_irqsave(&hw->lock, flags);
++	while ((ch->dma.desc_base[ch->tx_free].ctl & (LTQ_DMA_OWN | LTQ_DMA_C)) == LTQ_DMA_C) {
++		dev_kfree_skb_any(ch->skb[ch->tx_free]);
++		ch->skb[ch->tx_free] = NULL;
++		memset(&ch->dma.desc_base[ch->tx_free], 0,
++			sizeof(struct ltq_dma_desc));
++		ch->tx_free++;
++		ch->tx_free %= LTQ_DESC_NUM;
++	}
++	spin_unlock_irqrestore(&hw->lock, flags);
++
++	for (i = 0; i < XRX200_MAX_DEV && ch->devs[i]; i++) {
++		struct netdev_queue *txq =
++			netdev_get_tx_queue(ch->devs[i], 0);
++		if (netif_tx_queue_stopped(txq))
++			netif_tx_start_queue(txq);
++	}
++
++	spin_lock_irqsave(&hw->lock, flags);
++	ltq_dma_ack_irq(&ch->dma);
++	spin_unlock_irqrestore(&hw->lock, flags);
++}
++
++static struct net_device_stats *xrx200_get_stats (struct net_device *dev)
++{
++	struct xrx200_priv *priv = netdev_priv(dev);
++
++	return &priv->stats;
++}
++
++static void xrx200_tx_timeout(struct net_device *dev)
++{
++	struct xrx200_priv *priv = netdev_priv(dev);
++
++	printk(KERN_ERR "%s: transmit timed out, disable the dma channel irq\n", dev->name);
++
++	priv->stats.tx_errors++;
++	netif_wake_queue(dev);
++}
++
++static int xrx200_start_xmit(struct sk_buff *skb, struct net_device *dev)
++{
++	int queue = skb_get_queue_mapping(skb);
++	struct netdev_queue *txq = netdev_get_tx_queue(dev, queue);
++	struct xrx200_priv *priv = netdev_priv(dev);
++	struct xrx200_chan *ch = &priv->hw->chan[XRX200_DMA_TX];
++	struct ltq_dma_desc *desc = &ch->dma.desc_base[ch->dma.desc];
++	unsigned long flags;
++	u32 byte_offset;
++	int len;
++#ifdef SW_ROUTING
++  #ifdef SW_PORTMAP
++	u32 special_tag = (SPID_CPU_PORT << SPID_SHIFT) | PORT_MAP_SEL | PORT_MAP_EN | DPID_ENABLE;
++  #else
++	u32 special_tag = (SPID_CPU_PORT << SPID_SHIFT) | DPID_ENABLE;
++  #endif
++#endif
++
++	len = skb->len < ETH_ZLEN ? ETH_ZLEN : skb->len;
++
++	if ((desc->ctl & (LTQ_DMA_OWN | LTQ_DMA_C)) || ch->skb[ch->dma.desc]) {
++		netdev_err(dev, "tx ring full\n");
++		netif_tx_stop_queue(txq);
++		return NETDEV_TX_BUSY;
++	}
++#ifdef SW_ROUTING
++  #ifdef SW_PORTMAP
++	special_tag |= priv->port_map << PORT_MAP_SHIFT;
++  #else
++	if(priv->id)
++		special_tag |= (1 << DPID_SHIFT);
++  #endif
++	if(skb_headroom(skb) < 4) {
++		struct sk_buff *tmp = skb_realloc_headroom(skb, 4);
++		dev_kfree_skb_any(skb);
++		skb = tmp;
++	}
++	skb_push(skb, 4);
++	memcpy(skb->data, &special_tag, sizeof(u32));
++	len += 4;
++#endif
++
++	/* dma needs to start on a 16 byte aligned address */
++	byte_offset = CPHYSADDR(skb->data) % 16;
++	ch->skb[ch->dma.desc] = skb;
++
++	dev->trans_start = jiffies;
++
++	spin_lock_irqsave(&priv->hw->lock, flags);
++	desc->addr = ((unsigned int) dma_map_single(NULL, skb->data, len,
++						DMA_TO_DEVICE)) - byte_offset;
++	wmb();
++	desc->ctl = LTQ_DMA_OWN | LTQ_DMA_SOP | LTQ_DMA_EOP |
++		LTQ_DMA_TX_OFFSET(byte_offset) | (len & LTQ_DMA_SIZE_MASK);
++	ch->dma.desc++;
++	ch->dma.desc %= LTQ_DESC_NUM;
++	spin_unlock_irqrestore(&priv->hw->lock, flags);
++
++	if (ch->dma.desc_base[ch->dma.desc].ctl & LTQ_DMA_OWN)
++		netif_tx_stop_queue(txq);
++
++	priv->stats.tx_packets++;
++	priv->stats.tx_bytes+=len;
++
++	return NETDEV_TX_OK;
++}
++
++static irqreturn_t xrx200_dma_irq(int irq, void *priv)
++{
++	struct xrx200_hw *hw = priv;
++	int ch = irq - XRX200_DMA_IRQ;
++
++	if (ch % 2)
++		tasklet_schedule(&hw->chan[ch].tasklet);
++	else
++		napi_schedule(&hw->chan[ch].napi);
++
++	return IRQ_HANDLED;
++}
++
++static int xrx200_dma_init(struct xrx200_hw *hw)
++{
++	int i, err = 0;
++
++	ltq_dma_init_port(DMA_PORT_ETOP);
++
++	for (i = 0; i < 8 && !err; i++) {
++		int irq = XRX200_DMA_IRQ + i;
++		struct xrx200_chan *ch = &hw->chan[i];
++
++		ch->idx = ch->dma.nr = i;
++
++		if (i == XRX200_DMA_TX) {
++			ltq_dma_alloc_tx(&ch->dma);
++			err = request_irq(irq, xrx200_dma_irq, 0, "vrx200_tx", hw);
++		} else if (i == XRX200_DMA_RX) {
++			ltq_dma_alloc_rx(&ch->dma);
++			for (ch->dma.desc = 0; ch->dma.desc < LTQ_DESC_NUM;
++					ch->dma.desc++)
++				if (xrx200_alloc_skb(ch))
++					err = -ENOMEM;
++			ch->dma.desc = 0;
++			err = request_irq(irq, xrx200_dma_irq, 0, "vrx200_rx", hw);
++		} else
++			continue;
++
++		if (!err)
++			ch->dma.irq = irq;
++	}
++
++	return err;
++}
++
++#ifdef SW_POLLING
++static void xrx200_gmac_update(struct xrx200_port *port)
++{
++	u16 phyaddr = port->phydev->addr & MDIO_PHY_ADDR_MASK;
++	u16 miimode = ltq_mii_r32(MII_CFG(port->num)) & MII_CFG_MODE_MASK;
++	u16 miirate = 0;
++
++	switch (port->phydev->speed) {
++	case SPEED_1000:
++		phyaddr |= MDIO_PHY_SPEED_G1;
++		miirate = MII_CFG_RATE_M125;
++		break;
++
++	case SPEED_100:
++		phyaddr |= MDIO_PHY_SPEED_M100;
++		switch (miimode) {
++		case MII_CFG_MODE_RMIIM:
++		case MII_CFG_MODE_RMIIP:
++			miirate = MII_CFG_RATE_M50;
++			break;
++		default:
++			miirate = MII_CFG_RATE_M25;
++			break;
++		}
++		break;
++
++	default:
++		phyaddr |= MDIO_PHY_SPEED_M10;
++		miirate = MII_CFG_RATE_M2P5;
++		break;
++	}
++
++	if (port->phydev->link)
++		phyaddr |= MDIO_PHY_LINK_UP;
++	else
++		phyaddr |= MDIO_PHY_LINK_DOWN;
++
++	if (port->phydev->duplex == DUPLEX_FULL)
++		phyaddr |= MDIO_PHY_FDUP_EN;
++	else
++		phyaddr |= MDIO_PHY_FDUP_DIS;
++
++	ltq_mdio_w32_mask(MDIO_UPDATE_MASK, phyaddr, MDIO_PHY(port->num));
++	ltq_mii_w32_mask(MII_CFG_RATE_MASK, miirate, MII_CFG(port->num));
++	udelay(1);
++}
++#else
++static void xrx200_gmac_update(struct xrx200_port *port)
++{
++
++}
++#endif
++
++static void xrx200_mdio_link(struct net_device *dev)
++{
++	struct xrx200_priv *priv = netdev_priv(dev);
++	int i;
++
++	for (i = 0; i < priv->num_port; i++) {
++		if (!priv->port[i].phydev)
++			continue;
++
++		if (priv->port[i].link != priv->port[i].phydev->link) {
++			xrx200_gmac_update(&priv->port[i]);
++			priv->port[i].link = priv->port[i].phydev->link;
++			netdev_info(dev, "port %d %s link\n",
++				priv->port[i].num,
++				(priv->port[i].link)?("got"):("lost"));
++		}
++	}
++}
++
++static inline int xrx200_mdio_poll(struct mii_bus *bus)
++{
++	unsigned cnt = 10000;
++
++	while (likely(cnt--)) {
++		unsigned ctrl = ltq_mdio_r32(MDIO_CTRL);
++		if ((ctrl & MDIO_BUSY) == 0)
++			return 0;
++	}
++
++	return 1;
++}
++
++static int xrx200_mdio_wr(struct mii_bus *bus, int addr, int reg, u16 val)
++{
++	if (xrx200_mdio_poll(bus))
++		return 1;
++
++	ltq_mdio_w32(val, MDIO_WRITE);
++	ltq_mdio_w32(MDIO_BUSY | MDIO_WR |
++		((addr & MDIO_MASK) << MDIO_ADDRSHIFT) |
++		(reg & MDIO_MASK),
++		MDIO_CTRL);
++
++	return 0;
++}
++
++static int xrx200_mdio_rd(struct mii_bus *bus, int addr, int reg)
++{
++	if (xrx200_mdio_poll(bus))
++		return -1;
++
++	ltq_mdio_w32(MDIO_BUSY | MDIO_RD |
++		((addr & MDIO_MASK) << MDIO_ADDRSHIFT) |
++		(reg & MDIO_MASK),
++		MDIO_CTRL);
++
++	if (xrx200_mdio_poll(bus))
++		return -1;
++
++	return ltq_mdio_r32(MDIO_READ);
++}
++
++static int xrx200_mdio_probe(struct net_device *dev, struct xrx200_port *port)
++{
++	struct xrx200_priv *priv = netdev_priv(dev);
++	struct phy_device *phydev = NULL;
++	unsigned val;
++
++	phydev = priv->hw->mii_bus->phy_map[port->phy_addr];
++
++	if (!phydev) {
++		netdev_err(dev, "no PHY found\n");
++		return -ENODEV;
++	}
++
++	phydev = phy_connect(dev, dev_name(&phydev->dev), &xrx200_mdio_link,
++				port->phy_if);
++
++	if (IS_ERR(phydev)) {
++		netdev_err(dev, "Could not attach to PHY\n");
++		return PTR_ERR(phydev);
++	}
++
++	phydev->supported &= (SUPPORTED_10baseT_Half
++			| SUPPORTED_10baseT_Full
++			| SUPPORTED_100baseT_Half
++			| SUPPORTED_100baseT_Full
++			| SUPPORTED_1000baseT_Half
++			| SUPPORTED_1000baseT_Full
++			| SUPPORTED_Autoneg
++			| SUPPORTED_MII
++			| SUPPORTED_TP);
++	phydev->advertising = phydev->supported;
++	port->phydev = phydev;
++
++	pr_info("%s: attached PHY [%s] (phy_addr=%s, irq=%d)\n",
++		dev->name, phydev->drv->name,
++		dev_name(&phydev->dev), phydev->irq);
++
++#ifdef SW_POLLING
++	phy_read_status(phydev);
++
++	val = xrx200_mdio_rd(priv->hw->mii_bus, MDIO_DEVAD_NONE, MII_CTRL1000);
++	val |= ADVERTIZE_MPD;
++	xrx200_mdio_wr(priv->hw->mii_bus, MDIO_DEVAD_NONE, MII_CTRL1000, val);
++	xrx200_mdio_wr(priv->hw->mii_bus, 0, 0, 0x1040);
++
++	phy_start_aneg(phydev);
++#endif
++	return 0;
++}
++
++static void xrx200_port_config(struct xrx200_priv *priv,
++		const struct xrx200_port *port)
++{
++	u16 miimode = 0;
++
++	switch (port->num) {
++	case 0: /* xMII0 */
++	case 1: /* xMII1 */
++		switch (port->phy_if) {
++		case PHY_INTERFACE_MODE_MII:
++			if (port->flags & XRX200_PORT_TYPE_PHY)
++				/* MII MAC mode, connected to external PHY */
++				miimode = MII_CFG_MODE_MIIM;
++			else
++				/* MII PHY mode, connected to external MAC */
++				miimode = MII_CFG_MODE_MIIP;
++			break;
++		case PHY_INTERFACE_MODE_RMII:
++			if (port->flags & XRX200_PORT_TYPE_PHY)
++				/* RMII MAC mode, connected to external PHY */
++				miimode = MII_CFG_MODE_RMIIM;
++			else
++				/* RMII PHY mode, connected to external MAC */
++				miimode = MII_CFG_MODE_RMIIP;
++			break;
++		case PHY_INTERFACE_MODE_RGMII:
++			/* RGMII MAC mode, connected to external PHY */
++			miimode = MII_CFG_MODE_RGMII;
++			break;
++		default:
++			break;
++		}
++		break;
++	case 2: /* internal GPHY0 */
++	case 3: /* internal GPHY0 */
++	case 4: /* internal GPHY1 */
++		switch (port->phy_if) {
++			case PHY_INTERFACE_MODE_MII:
++			case PHY_INTERFACE_MODE_GMII:
++				/* MII MAC mode, connected to internal GPHY */
++				miimode = MII_CFG_MODE_MIIM;
++				break;
++			default:
++				break;
++		}
++		break;
++	case 5: /* internal GPHY1 or xMII2 */
++		switch (port->phy_if) {
++		case PHY_INTERFACE_MODE_MII:
++			/* MII MAC mode, connected to internal GPHY */
++			miimode = MII_CFG_MODE_MIIM;
++			break;
++		case PHY_INTERFACE_MODE_RGMII:
++			/* RGMII MAC mode, connected to external PHY */
++			miimode = MII_CFG_MODE_RGMII;
++			break;
++		default:
++			break;
++		}
++		break;
++	default:
++		break;
++	}
++
++	ltq_mii_w32_mask(MII_CFG_MODE_MASK, miimode | MII_CFG_EN,
++		MII_CFG(port->num));
++}
++
++static int xrx200_init(struct net_device *dev)
++{
++	struct xrx200_priv *priv = netdev_priv(dev);
++	struct sockaddr mac;
++	int err, i;
++
++#ifndef SW_POLLING
++	unsigned int reg = 0;
++
++	/* enable auto polling */
++	for (i = 0; i < priv->num_port; i++)
++		reg |= BIT(priv->port[i].num);
++	ltq_mdio_w32(reg, MDIO_CLK_CFG0);
++	ltq_mdio_w32(MDIO1_25MHZ, MDIO_CLK_CFG1);
++#endif
++
++	/* setup each port */
++	for (i = 0; i < priv->num_port; i++)
++		xrx200_port_config(priv, &priv->port[i]);
++
++	memcpy(&mac.sa_data, priv->mac, ETH_ALEN);
++	if (!is_valid_ether_addr(mac.sa_data)) {
++		pr_warn("net-xrx200: invalid MAC, using random\n");
++		eth_random_addr(mac.sa_data);
++		dev->addr_assign_type |= NET_ADDR_RANDOM;
++	}
++
++	err = eth_mac_addr(dev, &mac);
++	if (err)
++		goto err_netdev;
++
++	for (i = 0; i < priv->num_port; i++)
++		if (xrx200_mdio_probe(dev, &priv->port[i]))
++			pr_warn("xrx200-mdio: probing phy of port %d failed\n",
++					 priv->port[i].num);
++
++	return 0;
++
++err_netdev:
++	unregister_netdev(dev);
++	free_netdev(dev);
++	return err;
++}
++
++static void xrx200_pci_microcode(void)
++{
++	int i;
++
++	ltq_switch_w32_mask(PCE_TBL_CFG_ADDR_MASK | PCE_TBL_CFG_ADWR_MASK,
++		PCE_TBL_CFG_ADWR, PCE_TBL_CTRL);
++	ltq_switch_w32(0, PCE_TBL_MASK);
++
++	for (i = 0; i < ARRAY_SIZE(pce_microcode); i++) {
++		ltq_switch_w32(i, PCE_TBL_ADDR);
++		ltq_switch_w32(pce_microcode[i].val[3], PCE_TBL_VAL(0));
++		ltq_switch_w32(pce_microcode[i].val[2], PCE_TBL_VAL(1));
++		ltq_switch_w32(pce_microcode[i].val[1], PCE_TBL_VAL(2));
++		ltq_switch_w32(pce_microcode[i].val[0], PCE_TBL_VAL(3));
++
++		// start the table access:
++		ltq_switch_w32_mask(0, PCE_TBL_BUSY, PCE_TBL_CTRL);
++		while (ltq_switch_r32(PCE_TBL_CTRL) & PCE_TBL_BUSY);
++	}
++
++	/* tell the switch that the microcode is loaded */
++	ltq_switch_w32_mask(0, BIT(3), PCE_GCTRL_REG(0));
++}
++
++static void xrx200_hw_init(struct xrx200_hw *hw)
++{
++	int i;
++
++	/* enable clock gate */
++	clk_enable(hw->clk);
++
++	ltq_switch_w32(1, 0);
++	mdelay(100);
++	ltq_switch_w32(0, 0);
++	/*
++	 * TODO: we should really disbale all phys/miis here and explicitly
++	 * enable them in the device secific init function
++	 */
++
++	/* disable port fetch/store dma */
++	for (i = 0; i < 7; i++ ) {
++		ltq_switch_w32(0, FDMA_PCTRLx(i));
++		ltq_switch_w32(0, SDMA_PCTRLx(i));
++	}
++
++	/* enable Switch */
++	ltq_mdio_w32_mask(0, MDIO_GLOB_ENABLE, MDIO_GLOB);
++
++	/* load the pce microcode */
++	xrx200_pci_microcode();
++
++	/* Default unknown Broadcat/Multicast/Unicast port maps */
++	ltq_switch_w32(0x7f, PCE_PMAP1);
++	ltq_switch_w32(0x7f, PCE_PMAP2);
++	ltq_switch_w32(0x7f, PCE_PMAP3);
++
++	/* RMON Counter Enable for all physical ports */
++	for (i = 0; i < 7; i++)
++		ltq_switch_w32(0x1, BM_PCFG(i));
++
++	/* disable auto polling */
++	ltq_mdio_w32(0x0, MDIO_CLK_CFG0);
++
++	/* enable port statistic counters */
++	for (i = 0; i < 7; i++)
++		ltq_switch_w32(0x1, BM_PCFGx(i));
++
++	/* set IPG to 12 */
++	ltq_pmac_w32_mask(PMAC_IPG_MASK, 0xb, PMAC_RX_IPG);
++
++#ifdef SW_ROUTING
++	/* enable status header, enable CRC */
++	ltq_pmac_w32_mask(0,
++		PMAC_HD_CTL_RST | PMAC_HD_CTL_AST | PMAC_HD_CTL_RXSH | PMAC_HD_CTL_AS | PMAC_HD_CTL_AC,
++		PMAC_HD_CTL);
++#else
++	/* disable status header, enable CRC */
++	ltq_pmac_w32_mask(PMAC_HD_CTL_AST | PMAC_HD_CTL_RXSH | PMAC_HD_CTL_AS,
++		PMAC_HD_CTL_AC,
++		PMAC_HD_CTL);
++#endif
++
++	/* enable port fetch/store dma */
++	for (i = 0; i < 7; i++ ) {
++		ltq_switch_w32_mask(0, 0x01, FDMA_PCTRLx(i));
++		ltq_switch_w32_mask(0, 0x01, SDMA_PCTRLx(i));
++		ltq_switch_w32_mask(0, PCE_INGRESS, PCE_PCTRL_REG(i, 0));
++	}
++
++	/* enable special tag insertion on cpu port */
++	ltq_switch_w32_mask(0, 0x02, FDMA_PCTRLx(6));
++	ltq_switch_w32_mask(0, PCE_INGRESS, PCE_PCTRL_REG(6, 0));
++	ltq_switch_w32_mask(0, BIT(3), MAC_CTRL_REG(6, 2));
++	ltq_switch_w32(1518 + 8 + 4 * 2, MAC_FLEN_REG);
++}
++
++static void xrx200_hw_cleanup(struct xrx200_hw *hw)
++{
++	int i;
++
++	/* disable the switch */
++	ltq_mdio_w32_mask(MDIO_GLOB_ENABLE, 0, MDIO_GLOB);
++
++	/* free the channels and IRQs */
++	for (i = 0; i < 2; i++) {
++		ltq_dma_free(&hw->chan[i].dma);
++		if (hw->chan[i].dma.irq)
++			free_irq(hw->chan[i].dma.irq, hw);
++	}
++
++	/* free the allocated RX ring */
++	for (i = 0; i < LTQ_DESC_NUM; i++)
++		dev_kfree_skb_any(hw->chan[XRX200_DMA_RX].skb[i]);
++
++	/* clear the mdio bus */
++	mdiobus_unregister(hw->mii_bus);
++	mdiobus_free(hw->mii_bus);
++
++	/* release the clock */
++	clk_disable(hw->clk);
++	clk_put(hw->clk);
++}
++
++static int xrx200_of_mdio(struct xrx200_hw *hw, struct device_node *np)
++{
++	hw->mii_bus = mdiobus_alloc();
++	if (!hw->mii_bus)
++		return -ENOMEM;
++
++	hw->mii_bus->read = xrx200_mdio_rd;
++	hw->mii_bus->write = xrx200_mdio_wr;
++	hw->mii_bus->name = "lantiq,xrx200-mdio";
++	snprintf(hw->mii_bus->id, MII_BUS_ID_SIZE, "%x", 0);
++
++	if (of_mdiobus_register(hw->mii_bus, np)) {
++		mdiobus_free(hw->mii_bus);
++		return -ENXIO;
++	}
++
++	return 0;
++}
++
++static void xrx200_of_port(struct xrx200_priv *priv, struct device_node *port)
++{
++	const __be32 *addr, *id = of_get_property(port, "reg", NULL);
++	struct xrx200_port *p = &priv->port[priv->num_port];
++
++	if (!id)
++		return;
++
++	memset(p, 0, sizeof(struct xrx200_port));
++	p->phy_node = of_parse_phandle(port, "phy-handle", 0);
++	addr = of_get_property(p->phy_node, "reg", NULL);
++	if (!addr)
++		return;
++
++	p->num = *id;
++	p->phy_addr = *addr;
++	p->phy_if = of_get_phy_mode(port);
++	if (p->phy_addr > 0x10)
++		p->flags = XRX200_PORT_TYPE_MAC;
++	else
++		p->flags = XRX200_PORT_TYPE_PHY;
++	priv->num_port++;
++
++	p->gpio = of_get_gpio_flags(port, 0, &p->gpio_flags);
++	if (gpio_is_valid(p->gpio))
++		if (!gpio_request(p->gpio, "phy-reset")) {
++			gpio_direction_output(p->gpio,
++				(p->gpio_flags & OF_GPIO_ACTIVE_LOW) ? (1) : (0));
++			udelay(100);
++			gpio_set_value(p->gpio, (p->gpio_flags & OF_GPIO_ACTIVE_LOW) ? (0) : (1));
++		}
++	/* is this port a wan port ? */
++	if (priv->wan)
++		priv->hw->wan_map |= BIT(p->num);
++
++	priv->port_map |= BIT(p->num);
++
++	/* store the port id in the hw struct so we can map ports -> devices */
++	priv->hw->port_map[p->num] = priv->hw->num_devs;
++}
++
++static const struct net_device_ops xrx200_netdev_ops = {
++	.ndo_init		= xrx200_init,
++	.ndo_open		= xrx200_open,
++	.ndo_stop		= xrx200_close,
++	.ndo_start_xmit		= xrx200_start_xmit,
++	.ndo_set_mac_address	= eth_mac_addr,
++	.ndo_validate_addr	= eth_validate_addr,
++	.ndo_change_mtu		= eth_change_mtu,
++	.ndo_get_stats		= xrx200_get_stats,
++	.ndo_tx_timeout		= xrx200_tx_timeout,
++};
++
++static void xrx200_of_iface(struct xrx200_hw *hw, struct device_node *iface)
++{
++	struct xrx200_priv *priv;
++	struct device_node *port;
++	const __be32 *wan;
++
++	/* alloc the network device */
++	hw->devs[hw->num_devs] = alloc_etherdev(sizeof(struct xrx200_priv));
++	if (!hw->devs[hw->num_devs])
++		return;
++
++	/* setup the network device */
++	strcpy(hw->devs[hw->num_devs]->name, "eth%d");
++	hw->devs[hw->num_devs]->netdev_ops = &xrx200_netdev_ops;
++	hw->devs[hw->num_devs]->watchdog_timeo = XRX200_TX_TIMEOUT;
++	hw->devs[hw->num_devs]->needed_headroom = XRX200_HEADROOM;
++
++	/* setup our private data */
++	priv = netdev_priv(hw->devs[hw->num_devs]);
++	priv->hw = hw;
++	of_get_mac_address_mtd(iface, priv->mac);
++	priv->id = hw->num_devs;
++
++	/* is this the wan interface ? */
++	wan = of_get_property(iface, "lantiq,wan", NULL);
++	if (wan && (*wan == 1))
++		priv->wan = 1;
++
++	/* load the ports that are part of the interface */
++	for_each_child_of_node(iface, port)
++		if (of_device_is_compatible(port, "lantiq,xrx200-pdi-port"))
++			xrx200_of_port(priv, port);
++
++	/* register the actual device */
++	if (!register_netdev(hw->devs[hw->num_devs]))
++		hw->num_devs++;
++}
++
++static struct xrx200_hw xrx200_hw;
++
++static int xrx200_probe(struct platform_device *pdev)
++{
++	struct resource *res[4];
++	struct device_node *mdio_np, *iface_np;
++	int i;
++
++	/* load the memory ranges */
++	for (i = 0; i < 4; i++) {
++		res[i] = platform_get_resource(pdev, IORESOURCE_MEM, i);
++		if (!res[i]) {
++			dev_err(&pdev->dev, "failed to get resources\n");
++			return -ENOENT;
++		}
++	}
++	xrx200_switch_membase = devm_request_and_ioremap(&pdev->dev, res[0]);
++	xrx200_mdio_membase = devm_request_and_ioremap(&pdev->dev, res[1]);
++	xrx200_mii_membase = devm_request_and_ioremap(&pdev->dev, res[2]);
++	xrx200_pmac_membase = devm_request_and_ioremap(&pdev->dev, res[3]);
++	if (!xrx200_switch_membase || !xrx200_mdio_membase ||
++			!xrx200_mii_membase || !xrx200_pmac_membase) {
++		dev_err(&pdev->dev, "failed to request and remap io ranges \n");
++		return -ENOMEM;
++	}
++
++	/* get the clock */
++	xrx200_hw.clk = clk_get(&pdev->dev, NULL);
++	if (IS_ERR(xrx200_hw.clk)) {
++		dev_err(&pdev->dev, "failed to get clock\n");
++		return PTR_ERR(xrx200_hw.clk);
++	}
++
++	/* bring up the dma engine and IP core */
++	spin_lock_init(&xrx200_hw.lock);
++	xrx200_dma_init(&xrx200_hw);
++	xrx200_hw_init(&xrx200_hw);
++	tasklet_init(&xrx200_hw.chan[XRX200_DMA_TX].tasklet, xrx200_tx_housekeeping, (u32) &xrx200_hw);
++
++	/* bring up the mdio bus */
++	mdio_np = of_find_compatible_node(pdev->dev.of_node, NULL,
++				"lantiq,xrx200-mdio");
++	if (mdio_np)
++		if (xrx200_of_mdio(&xrx200_hw, mdio_np))
++			dev_err(&pdev->dev, "mdio probe failed\n");
++
++	/* load the interfaces */
++	for_each_child_of_node(pdev->dev.of_node, iface_np)
++		if (of_device_is_compatible(iface_np, "lantiq,xrx200-pdi")) {
++			if (xrx200_hw.num_devs < XRX200_MAX_DEV)
++				xrx200_of_iface(&xrx200_hw, iface_np);
++			else
++				dev_err(&pdev->dev,
++					"only %d interfaces allowed\n",
++					XRX200_MAX_DEV);
++		}
++
++	if (!xrx200_hw.num_devs) {
++		xrx200_hw_cleanup(&xrx200_hw);
++		dev_err(&pdev->dev, "failed to load interfaces\n");
++		return -ENOENT;
++	}
++
++	/* set wan port mask */
++	ltq_pmac_w32(xrx200_hw.wan_map, PMAC_EWAN);
++
++	for (i = 0; i < xrx200_hw.num_devs; i++) {
++		xrx200_hw.chan[XRX200_DMA_RX].devs[i] = xrx200_hw.devs[i];
++		xrx200_hw.chan[XRX200_DMA_TX].devs[i] = xrx200_hw.devs[i];
++	}
++
++	/* setup NAPI */
++	init_dummy_netdev(&xrx200_hw.chan[XRX200_DMA_RX].dummy_dev);
++	netif_napi_add(&xrx200_hw.chan[XRX200_DMA_RX].dummy_dev,
++			&xrx200_hw.chan[XRX200_DMA_RX].napi, xrx200_poll_rx, 32);
++
++	platform_set_drvdata(pdev, &xrx200_hw);
++
++	return 0;
++}
++
++static int xrx200_remove(struct platform_device *pdev)
++{
++	struct net_device *dev = platform_get_drvdata(pdev);
++	struct xrx200_priv *priv;
++
++	if (!dev)
++		return 0;
++
++	priv = netdev_priv(dev);
++
++	/* free stack related instances */
++	netif_stop_queue(dev);
++	netif_napi_del(&xrx200_hw.chan[XRX200_DMA_RX].napi);
++
++	/* shut down hardware */
++	xrx200_hw_cleanup(&xrx200_hw);
++
++	/* remove the actual device */
++	unregister_netdev(dev);
++	free_netdev(dev);
++
++	return 0;
++}
++
++static const struct of_device_id xrx200_match[] = {
++	{ .compatible = "lantiq,xrx200-net" },
++	{},
++};
++MODULE_DEVICE_TABLE(of, xrx200_match);
++
++static struct platform_driver xrx200_driver = {
++	.probe = xrx200_probe,
++	.remove = xrx200_remove,
++	.driver = {
++		.name = "lantiq,xrx200-net",
++		.of_match_table = xrx200_match,
++		.owner = THIS_MODULE,
++	},
++};
++
++module_platform_driver(xrx200_driver);
++
++MODULE_AUTHOR("John Crispin <blogic@openwrt.org>");
++MODULE_DESCRIPTION("Lantiq SoC XRX200 ethernet");
++MODULE_LICENSE("GPL");
+-- 
+1.7.10.4
+