diff options
Diffstat (limited to 'target/linux/lantiq/patches-3.8/0025-NET-MIPS-lantiq-adds-xrx200-net.patch')
| -rw-r--r-- | target/linux/lantiq/patches-3.8/0025-NET-MIPS-lantiq-adds-xrx200-net.patch | 1421 |
1 files changed, 0 insertions, 1421 deletions
diff --git a/target/linux/lantiq/patches-3.8/0025-NET-MIPS-lantiq-adds-xrx200-net.patch b/target/linux/lantiq/patches-3.8/0025-NET-MIPS-lantiq-adds-xrx200-net.patch deleted file mode 100644 index bcbebfa..0000000 --- a/target/linux/lantiq/patches-3.8/0025-NET-MIPS-lantiq-adds-xrx200-net.patch +++ /dev/null @@ -1,1421 +0,0 @@ -From fbfdf78ba827a8f854ae3ed7b11ea6df4054ffb1 Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Mon, 22 Oct 2012 12:22:23 +0200 -Subject: [PATCH 25/40] 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 - -Index: linux-3.8.13/drivers/net/ethernet/Kconfig -=================================================================== ---- linux-3.8.13.orig/drivers/net/ethernet/Kconfig 2013-05-11 22:57:46.000000000 +0200 -+++ linux-3.8.13/drivers/net/ethernet/Kconfig 2013-06-28 17:46:34.521054618 +0200 -@@ -83,7 +83,13 @@ - 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" -Index: linux-3.8.13/drivers/net/ethernet/Makefile -=================================================================== ---- linux-3.8.13.orig/drivers/net/ethernet/Makefile 2013-05-11 22:57:46.000000000 +0200 -+++ linux-3.8.13/drivers/net/ethernet/Makefile 2013-06-28 17:46:34.521054618 +0200 -@@ -36,6 +36,7 @@ - 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/ -Index: linux-3.8.13/drivers/net/ethernet/lantiq_pce.h -=================================================================== ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ linux-3.8.13/drivers/net/ethernet/lantiq_pce.h 2013-06-28 17:46:34.525054619 +0200 -@@ -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), -+}; -Index: linux-3.8.13/drivers/net/ethernet/lantiq_xrx200.c -=================================================================== ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ linux-3.8.13/drivers/net/ethernet/lantiq_xrx200.c 2013-06-29 18:09:53.932157475 +0200 -@@ -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; -+ const void *mac; -+ -+ 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, -+ 0, 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; -+ priv->mac = of_get_mac_address(iface); -+ 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"); |