diff options
author | John Crispin <john@openwrt.org> | 2012-12-15 02:01:08 +0000 |
---|---|---|
committer | John Crispin <john@openwrt.org> | 2012-12-15 02:01:08 +0000 |
commit | 3dac521a49dc1fba0484968ce0c0cb6bc406ab34 (patch) | |
tree | 1d684dbac81bc7d044a6ed52cbf3381c2f1a8a9d /target/linux/lantiq/patches-3.3/0009-ethernet-support.patch | |
parent | 1dece11487e937deb4691f73545c1403d018421d (diff) | |
download | upstream-3dac521a49dc1fba0484968ce0c0cb6bc406ab34.tar.gz upstream-3dac521a49dc1fba0484968ce0c0cb6bc406ab34.tar.bz2 upstream-3dac521a49dc1fba0484968ce0c0cb6bc406ab34.zip |
remove 3.3 and 3.6
SVN-Revision: 34699
Diffstat (limited to 'target/linux/lantiq/patches-3.3/0009-ethernet-support.patch')
-rw-r--r-- | target/linux/lantiq/patches-3.3/0009-ethernet-support.patch | 785 |
1 files changed, 0 insertions, 785 deletions
diff --git a/target/linux/lantiq/patches-3.3/0009-ethernet-support.patch b/target/linux/lantiq/patches-3.3/0009-ethernet-support.patch deleted file mode 100644 index 9c8a1d82c1..0000000000 --- a/target/linux/lantiq/patches-3.3/0009-ethernet-support.patch +++ /dev/null @@ -1,785 +0,0 @@ -From a19b113fc05b46605f9ff57c2d15b047d6c392aa Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Fri, 3 Aug 2012 09:54:02 +0200 -Subject: [PATCH 09/25] ethernet support - ---- - drivers/net/ethernet/Kconfig | 18 ++ - drivers/net/ethernet/Makefile | 3 + - drivers/net/ethernet/lantiq_etop.c | 419 ++++++++++++++++++++++++++---------- - net/ipv4/Kconfig | 7 + - net/ipv4/Makefile | 1 + - 5 files changed, 332 insertions(+), 116 deletions(-) - -diff --git a/drivers/net/ethernet/Kconfig b/drivers/net/ethernet/Kconfig -index 3474a61..1d91eb6 100644 ---- a/drivers/net/ethernet/Kconfig -+++ b/drivers/net/ethernet/Kconfig -@@ -85,6 +85,24 @@ config LANTIQ_ETOP - ---help--- - Support for the MII0 inside the Lantiq SoC - -+config LANTIQ_VRX200 -+ tristate "Lantiq SoC vrx200 driver" -+ depends on SOC_TYPE_XWAY -+ ---help--- -+ Support for the MII0 inside the Lantiq SoC -+ -+config LANTIQ_SVIP_ETH -+ default y -+ tristate "Lantiq SoC SVIP Ethernet driver" -+ depends on SOC_SVIP -+ help -+ Support for the MII0 inside the Lantiq SVIP SoC -+ -+config LANTIQ_SVIP_VIRTUAL_ETH -+ default y -+ tristate "Lantiq SoC SVIP Virtual Ethernet driver" -+ depends on SOC_SVIP -+ - source "drivers/net/ethernet/marvell/Kconfig" - source "drivers/net/ethernet/mellanox/Kconfig" - source "drivers/net/ethernet/micrel/Kconfig" -diff --git a/drivers/net/ethernet/Makefile b/drivers/net/ethernet/Makefile -index 08d5f03..c8fb1b3 100644 ---- a/drivers/net/ethernet/Makefile -+++ b/drivers/net/ethernet/Makefile -@@ -36,6 +36,9 @@ obj-$(CONFIG_IP1000) += icplus/ - obj-$(CONFIG_JME) += jme.o - obj-$(CONFIG_KORINA) += korina.o - obj-$(CONFIG_LANTIQ_ETOP) += lantiq_etop.o -+obj-$(CONFIG_LANTIQ_VRX200) += lantiq_vrx200.o -+obj-$(CONFIG_LANTIQ_SVIP_ETH) += svip_eth.o -+obj-$(CONFIG_LANTIQ_SVIP_VIRTUAL_ETH) += svip_virtual_eth.o - obj-$(CONFIG_NET_VENDOR_MARVELL) += marvell/ - obj-$(CONFIG_NET_VENDOR_MELLANOX) += mellanox/ - obj-$(CONFIG_NET_VENDOR_MICREL) += micrel/ -diff --git a/drivers/net/ethernet/lantiq_etop.c b/drivers/net/ethernet/lantiq_etop.c -index 85e2c6c..97ddb09 100644 ---- a/drivers/net/ethernet/lantiq_etop.c -+++ b/drivers/net/ethernet/lantiq_etop.c -@@ -36,6 +36,7 @@ - #include <linux/io.h> - #include <linux/dma-mapping.h> - #include <linux/module.h> -+#include <linux/clk.h> - - #include <asm/checksum.h> - -@@ -71,25 +72,55 @@ - #define ETOP_MII_REVERSE 0xe - #define ETOP_PLEN_UNDER 0x40 - #define ETOP_CGEN 0x800 -- --/* use 2 static channels for TX/RX */ --#define LTQ_ETOP_TX_CHANNEL 1 --#define LTQ_ETOP_RX_CHANNEL 6 --#define IS_TX(x) (x == LTQ_ETOP_TX_CHANNEL) --#define IS_RX(x) (x == LTQ_ETOP_RX_CHANNEL) -+#define ETOP_CFG_MII0 0x01 -+ -+#define LTQ_GBIT_MDIO_CTL 0xCC -+#define LTQ_GBIT_MDIO_DATA 0xd0 -+#define LTQ_GBIT_GCTL0 0x68 -+#define LTQ_GBIT_PMAC_HD_CTL 0x8c -+#define LTQ_GBIT_P0_CTL 0x4 -+#define LTQ_GBIT_PMAC_RX_IPG 0xa8 -+ -+#define PMAC_HD_CTL_AS (1 << 19) -+#define PMAC_HD_CTL_RXSH (1 << 22) -+ -+/* Switch Enable (0=disable, 1=enable) */ -+#define GCTL0_SE 0x80000000 -+/* Disable MDIO auto polling (0=disable, 1=enable) */ -+#define PX_CTL_DMDIO 0x00400000 -+ -+/* register information for the gbit's MDIO bus */ -+#define MDIO_XR9_REQUEST 0x00008000 -+#define MDIO_XR9_READ 0x00000800 -+#define MDIO_XR9_WRITE 0x00000400 -+#define MDIO_XR9_REG_MASK 0x1f -+#define MDIO_XR9_ADDR_MASK 0x1f -+#define MDIO_XR9_RD_MASK 0xffff -+#define MDIO_XR9_REG_OFFSET 0 -+#define MDIO_XR9_ADDR_OFFSET 5 -+#define MDIO_XR9_WR_OFFSET 16 -+ -+/* the newer xway socks have a embedded 3/7 port gbit multiplexer */ -+#define ltq_has_gbit() (ltq_is_ar9() || ltq_is_vr9()) - - #define ltq_etop_r32(x) ltq_r32(ltq_etop_membase + (x)) - #define ltq_etop_w32(x, y) ltq_w32(x, ltq_etop_membase + (y)) - #define ltq_etop_w32_mask(x, y, z) \ - ltq_w32_mask(x, y, ltq_etop_membase + (z)) - -+#define ltq_gbit_r32(x) ltq_r32(ltq_gbit_membase + (x)) -+#define ltq_gbit_w32(x, y) ltq_w32(x, ltq_gbit_membase + (y)) -+#define ltq_gbit_w32_mask(x, y, z) \ -+ ltq_w32_mask(x, y, ltq_gbit_membase + (z)) -+ - #define DRV_VERSION "1.0" - - static void __iomem *ltq_etop_membase; -+static void __iomem *ltq_gbit_membase; - - struct ltq_etop_chan { -- int idx; - int tx_free; -+ int irq; - struct net_device *netdev; - struct napi_struct napi; - struct ltq_dma_channel dma; -@@ -105,12 +136,20 @@ struct ltq_etop_priv { - struct mii_bus *mii_bus; - struct phy_device *phydev; - -- struct ltq_etop_chan ch[MAX_DMA_CHAN]; -- int tx_free[MAX_DMA_CHAN >> 1]; -+ struct ltq_etop_chan txch; -+ struct ltq_etop_chan rxch; - - spinlock_t lock; -+ -+ struct clk *clk_ppe; -+ struct clk *clk_switch; -+ struct clk *clk_ephy; -+ struct clk *clk_ephycgu; - }; - -+static int ltq_etop_mdio_wr(struct mii_bus *bus, int phy_addr, -+ int phy_reg, u16 phy_data); -+ - static int - ltq_etop_alloc_skb(struct ltq_etop_chan *ch) - { -@@ -159,8 +198,10 @@ ltq_etop_poll_rx(struct napi_struct *napi, int budget) - { - struct ltq_etop_chan *ch = container_of(napi, - struct ltq_etop_chan, napi); -+ struct ltq_etop_priv *priv = netdev_priv(ch->netdev); - 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]; -@@ -174,7 +215,9 @@ ltq_etop_poll_rx(struct napi_struct *napi, int budget) - } - if (complete || !rx) { - napi_complete(&ch->napi); -+ spin_lock_irqsave(&priv->lock, flags); - ltq_dma_ack_irq(&ch->dma); -+ spin_unlock_irqrestore(&priv->lock, flags); - } - return rx; - } -@@ -186,7 +229,7 @@ ltq_etop_poll_tx(struct napi_struct *napi, int budget) - container_of(napi, struct ltq_etop_chan, napi); - struct ltq_etop_priv *priv = netdev_priv(ch->netdev); - struct netdev_queue *txq = -- netdev_get_tx_queue(ch->netdev, ch->idx >> 1); -+ netdev_get_tx_queue(ch->netdev, ch->dma.nr >> 1); - unsigned long flags; - - spin_lock_irqsave(&priv->lock, flags); -@@ -204,7 +247,9 @@ ltq_etop_poll_tx(struct napi_struct *napi, int budget) - if (netif_tx_queue_stopped(txq)) - netif_tx_start_queue(txq); - napi_complete(&ch->napi); -+ spin_lock_irqsave(&priv->lock, flags); - ltq_dma_ack_irq(&ch->dma); -+ spin_unlock_irqrestore(&priv->lock, flags); - return 1; - } - -@@ -212,9 +257,10 @@ static irqreturn_t - ltq_etop_dma_irq(int irq, void *_priv) - { - struct ltq_etop_priv *priv = _priv; -- int ch = irq - LTQ_DMA_CH0_INT; -- -- napi_schedule(&priv->ch[ch].napi); -+ if (irq == priv->txch.dma.irq) -+ napi_schedule(&priv->txch.napi); -+ else -+ napi_schedule(&priv->rxch.napi); - return IRQ_HANDLED; - } - -@@ -226,7 +272,7 @@ ltq_etop_free_channel(struct net_device *dev, struct ltq_etop_chan *ch) - ltq_dma_free(&ch->dma); - if (ch->dma.irq) - free_irq(ch->dma.irq, priv); -- if (IS_RX(ch->idx)) { -+ if (ch == &priv->txch) { - int desc; - for (desc = 0; desc < LTQ_DESC_NUM; desc++) - dev_kfree_skb_any(ch->skb[ch->dma.desc]); -@@ -237,23 +283,56 @@ static void - ltq_etop_hw_exit(struct net_device *dev) - { - struct ltq_etop_priv *priv = netdev_priv(dev); -- int i; - -- ltq_pmu_disable(PMU_PPE); -- for (i = 0; i < MAX_DMA_CHAN; i++) -- if (IS_TX(i) || IS_RX(i)) -- ltq_etop_free_channel(dev, &priv->ch[i]); -+ clk_disable(priv->clk_ppe); -+ -+ if (ltq_has_gbit()) -+ clk_disable(priv->clk_switch); -+ -+ if (ltq_is_ase()) { -+ clk_disable(priv->clk_ephy); -+ clk_disable(priv->clk_ephycgu); -+ } -+ -+ ltq_etop_free_channel(dev, &priv->txch); -+ ltq_etop_free_channel(dev, &priv->rxch); -+} -+ -+static void -+ltq_etop_gbit_init(struct net_device *dev) -+{ -+ struct ltq_etop_priv *priv = netdev_priv(dev); -+ -+ clk_enable(priv->clk_switch); -+ -+ ltq_gbit_w32_mask(0, GCTL0_SE, LTQ_GBIT_GCTL0); -+ /** Disable MDIO auto polling mode */ -+ ltq_gbit_w32_mask(0, PX_CTL_DMDIO, LTQ_GBIT_P0_CTL); -+ /* set 1522 packet size */ -+ ltq_gbit_w32_mask(0x300, 0, LTQ_GBIT_GCTL0); -+ /* disable pmac & dmac headers */ -+ ltq_gbit_w32_mask(PMAC_HD_CTL_AS | PMAC_HD_CTL_RXSH, 0, -+ LTQ_GBIT_PMAC_HD_CTL); -+ /* Due to traffic halt when burst length 8, -+ replace default IPG value with 0x3B */ -+ ltq_gbit_w32(0x3B, LTQ_GBIT_PMAC_RX_IPG); - } - - static int - ltq_etop_hw_init(struct net_device *dev) - { - struct ltq_etop_priv *priv = netdev_priv(dev); -- int i; -+ unsigned int mii_mode = priv->pldata->mii_mode; - -- ltq_pmu_enable(PMU_PPE); -+ clk_enable(priv->clk_ppe); - -- switch (priv->pldata->mii_mode) { -+ if (ltq_has_gbit()) { -+ ltq_etop_gbit_init(dev); -+ /* force the etops link to the gbit to MII */ -+ mii_mode = PHY_INTERFACE_MODE_MII; -+ } -+ -+ switch (mii_mode) { - case PHY_INTERFACE_MODE_RMII: - ltq_etop_w32_mask(ETOP_MII_MASK, - ETOP_MII_REVERSE, LTQ_ETOP_CFG); -@@ -265,6 +344,18 @@ ltq_etop_hw_init(struct net_device *dev) - break; - - default: -+ if (ltq_is_ase()) { -+ clk_enable(priv->clk_ephy); -+ /* disable external MII */ -+ ltq_etop_w32_mask(0, ETOP_CFG_MII0, LTQ_ETOP_CFG); -+ /* enable clock for internal PHY */ -+ clk_enable(priv->clk_ephycgu); -+ /* we need to write this magic to the internal phy to -+ make it work */ -+ ltq_etop_mdio_wr(NULL, 0x8, 0x12, 0xC020); -+ pr_info("Selected EPHY mode\n"); -+ break; -+ } - netdev_err(dev, "unknown mii mode %d\n", - priv->pldata->mii_mode); - return -ENOTSUPP; -@@ -273,31 +364,51 @@ ltq_etop_hw_init(struct net_device *dev) - /* enable crc generation */ - ltq_etop_w32(PPE32_CGEN, LQ_PPE32_ENET_MAC_CFG); - -+ return 0; -+} -+ -+static int -+ltq_etop_dma_init(struct net_device *dev) -+{ -+ struct ltq_etop_priv *priv = netdev_priv(dev); -+ int tx = 1; -+ int rx = ((ltq_is_ase()) ? (5) : \ -+ ((ltq_is_ar9()) ? (0) : (6))); -+ int tx_irq = LTQ_DMA_ETOP + tx; -+ int rx_irq = LTQ_DMA_ETOP + rx; -+ int err; -+ - ltq_dma_init_port(DMA_PORT_ETOP); - -- for (i = 0; i < MAX_DMA_CHAN; i++) { -- int irq = LTQ_DMA_CH0_INT + i; -- struct ltq_etop_chan *ch = &priv->ch[i]; -- -- ch->idx = ch->dma.nr = i; -- -- if (IS_TX(i)) { -- ltq_dma_alloc_tx(&ch->dma); -- request_irq(irq, ltq_etop_dma_irq, IRQF_DISABLED, -- "etop_tx", priv); -- } else if (IS_RX(i)) { -- ltq_dma_alloc_rx(&ch->dma); -- for (ch->dma.desc = 0; ch->dma.desc < LTQ_DESC_NUM; -- ch->dma.desc++) -- if (ltq_etop_alloc_skb(ch)) -- return -ENOMEM; -- ch->dma.desc = 0; -- request_irq(irq, ltq_etop_dma_irq, IRQF_DISABLED, -- "etop_rx", priv); -+ priv->txch.dma.nr = tx; -+ ltq_dma_alloc_tx(&priv->txch.dma); -+ err = request_irq(tx_irq, ltq_etop_dma_irq, IRQF_DISABLED, -+ "eth_tx", priv); -+ if (err) { -+ netdev_err(dev, "failed to allocate tx irq\n"); -+ goto err_out; -+ } -+ priv->txch.dma.irq = tx_irq; -+ -+ priv->rxch.dma.nr = rx; -+ ltq_dma_alloc_rx(&priv->rxch.dma); -+ for (priv->rxch.dma.desc = 0; priv->rxch.dma.desc < LTQ_DESC_NUM; -+ priv->rxch.dma.desc++) { -+ if (ltq_etop_alloc_skb(&priv->rxch)) { -+ netdev_err(dev, "failed to allocate skbs\n"); -+ err = -ENOMEM; -+ goto err_out; - } -- ch->dma.irq = irq; - } -- return 0; -+ priv->rxch.dma.desc = 0; -+ err = request_irq(rx_irq, ltq_etop_dma_irq, IRQF_DISABLED, -+ "eth_rx", priv); -+ if (err) -+ netdev_err(dev, "failed to allocate rx irq\n"); -+ else -+ priv->rxch.dma.irq = rx_irq; -+err_out: -+ return err; - } - - static void -@@ -313,7 +424,10 @@ ltq_etop_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) - { - struct ltq_etop_priv *priv = netdev_priv(dev); - -- return phy_ethtool_gset(priv->phydev, cmd); -+ if (priv->phydev) -+ return phy_ethtool_gset(priv->phydev, cmd); -+ else -+ return 0; - } - - static int -@@ -321,7 +435,10 @@ ltq_etop_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) - { - struct ltq_etop_priv *priv = netdev_priv(dev); - -- return phy_ethtool_sset(priv->phydev, cmd); -+ if (priv->phydev) -+ return phy_ethtool_sset(priv->phydev, cmd); -+ else -+ return 0; - } - - static int -@@ -329,7 +446,10 @@ ltq_etop_nway_reset(struct net_device *dev) - { - struct ltq_etop_priv *priv = netdev_priv(dev); - -- return phy_start_aneg(priv->phydev); -+ if (priv->phydev) -+ return phy_start_aneg(priv->phydev); -+ else -+ return 0; - } - - static const struct ethtool_ops ltq_etop_ethtool_ops = { -@@ -340,6 +460,39 @@ static const struct ethtool_ops ltq_etop_ethtool_ops = { - }; - - static int -+ltq_etop_mdio_wr_xr9(struct mii_bus *bus, int phy_addr, -+ int phy_reg, u16 phy_data) -+{ -+ u32 val = MDIO_XR9_REQUEST | MDIO_XR9_WRITE | -+ (phy_data << MDIO_XR9_WR_OFFSET) | -+ ((phy_addr & MDIO_XR9_ADDR_MASK) << MDIO_XR9_ADDR_OFFSET) | -+ ((phy_reg & MDIO_XR9_REG_MASK) << MDIO_XR9_REG_OFFSET); -+ -+ while (ltq_gbit_r32(LTQ_GBIT_MDIO_CTL) & MDIO_XR9_REQUEST) -+ ; -+ ltq_gbit_w32(val, LTQ_GBIT_MDIO_CTL); -+ while (ltq_gbit_r32(LTQ_GBIT_MDIO_CTL) & MDIO_XR9_REQUEST) -+ ; -+ return 0; -+} -+ -+static int -+ltq_etop_mdio_rd_xr9(struct mii_bus *bus, int phy_addr, int phy_reg) -+{ -+ u32 val = MDIO_XR9_REQUEST | MDIO_XR9_READ | -+ ((phy_addr & MDIO_XR9_ADDR_MASK) << MDIO_XR9_ADDR_OFFSET) | -+ ((phy_reg & MDIO_XR9_REG_MASK) << MDIO_XR9_REG_OFFSET); -+ -+ while (ltq_gbit_r32(LTQ_GBIT_MDIO_CTL) & MDIO_XR9_REQUEST) -+ ; -+ ltq_gbit_w32(val, LTQ_GBIT_MDIO_CTL); -+ while (ltq_gbit_r32(LTQ_GBIT_MDIO_CTL) & MDIO_XR9_REQUEST) -+ ; -+ val = ltq_gbit_r32(LTQ_GBIT_MDIO_DATA) & MDIO_XR9_RD_MASK; -+ return val; -+} -+ -+static int - ltq_etop_mdio_wr(struct mii_bus *bus, int phy_addr, int phy_reg, u16 phy_data) - { - u32 val = MDIO_REQUEST | -@@ -380,14 +533,11 @@ ltq_etop_mdio_probe(struct net_device *dev) - { - struct ltq_etop_priv *priv = netdev_priv(dev); - struct phy_device *phydev = NULL; -- int phy_addr; - -- for (phy_addr = 0; phy_addr < PHY_MAX_ADDR; phy_addr++) { -- if (priv->mii_bus->phy_map[phy_addr]) { -- phydev = priv->mii_bus->phy_map[phy_addr]; -- break; -- } -- } -+ if (ltq_is_ase()) -+ phydev = priv->mii_bus->phy_map[8]; -+ else -+ phydev = priv->mii_bus->phy_map[0]; - - if (!phydev) { - netdev_err(dev, "no PHY found\n"); -@@ -409,6 +559,9 @@ ltq_etop_mdio_probe(struct net_device *dev) - | SUPPORTED_Autoneg - | SUPPORTED_MII - | SUPPORTED_TP); -+ if (ltq_has_gbit()) -+ phydev->supported &= SUPPORTED_1000baseT_Half -+ | SUPPORTED_1000baseT_Full; - - phydev->advertising = phydev->supported; - priv->phydev = phydev; -@@ -434,8 +587,13 @@ ltq_etop_mdio_init(struct net_device *dev) - } - - priv->mii_bus->priv = dev; -- priv->mii_bus->read = ltq_etop_mdio_rd; -- priv->mii_bus->write = ltq_etop_mdio_wr; -+ if (ltq_has_gbit()) { -+ priv->mii_bus->read = ltq_etop_mdio_rd_xr9; -+ priv->mii_bus->write = ltq_etop_mdio_wr_xr9; -+ } else { -+ priv->mii_bus->read = ltq_etop_mdio_rd; -+ priv->mii_bus->write = ltq_etop_mdio_wr; -+ } - priv->mii_bus->name = "ltq_mii"; - snprintf(priv->mii_bus->id, MII_BUS_ID_SIZE, "%s-%x", - priv->pdev->name, priv->pdev->id); -@@ -484,17 +642,19 @@ static int - ltq_etop_open(struct net_device *dev) - { - struct ltq_etop_priv *priv = netdev_priv(dev); -- int i; -+ unsigned long flags; - -- for (i = 0; i < MAX_DMA_CHAN; i++) { -- struct ltq_etop_chan *ch = &priv->ch[i]; -+ napi_enable(&priv->txch.napi); -+ napi_enable(&priv->rxch.napi); -+ -+ spin_lock_irqsave(&priv->lock, flags); -+ ltq_dma_open(&priv->txch.dma); -+ ltq_dma_open(&priv->rxch.dma); -+ spin_unlock_irqrestore(&priv->lock, flags); -+ -+ if (priv->phydev) -+ phy_start(priv->phydev); - -- if (!IS_TX(i) && (!IS_RX(i))) -- continue; -- ltq_dma_open(&ch->dma); -- napi_enable(&ch->napi); -- } -- phy_start(priv->phydev); - netif_tx_start_all_queues(dev); - return 0; - } -@@ -503,18 +663,19 @@ static int - ltq_etop_stop(struct net_device *dev) - { - struct ltq_etop_priv *priv = netdev_priv(dev); -- int i; -+ unsigned long flags; - - netif_tx_stop_all_queues(dev); -- phy_stop(priv->phydev); -- for (i = 0; i < MAX_DMA_CHAN; i++) { -- struct ltq_etop_chan *ch = &priv->ch[i]; -+ if (priv->phydev) -+ phy_stop(priv->phydev); -+ napi_disable(&priv->txch.napi); -+ napi_disable(&priv->rxch.napi); -+ -+ spin_lock_irqsave(&priv->lock, flags); -+ ltq_dma_close(&priv->txch.dma); -+ ltq_dma_close(&priv->rxch.dma); -+ spin_unlock_irqrestore(&priv->lock, flags); - -- if (!IS_RX(i) && !IS_TX(i)) -- continue; -- napi_disable(&ch->napi); -- ltq_dma_close(&ch->dma); -- } - return 0; - } - -@@ -524,16 +685,16 @@ ltq_etop_tx(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 ltq_etop_priv *priv = netdev_priv(dev); -- struct ltq_etop_chan *ch = &priv->ch[(queue << 1) | 1]; -- struct ltq_dma_desc *desc = &ch->dma.desc_base[ch->dma.desc]; -- int len; -+ struct ltq_dma_desc *desc = -+ &priv->txch.dma.desc_base[priv->txch.dma.desc]; - unsigned long flags; - u32 byte_offset; -+ int len; - - len = skb->len < ETH_ZLEN ? ETH_ZLEN : skb->len; - -- if ((desc->ctl & (LTQ_DMA_OWN | LTQ_DMA_C)) || ch->skb[ch->dma.desc]) { -- dev_kfree_skb_any(skb); -+ if ((desc->ctl & (LTQ_DMA_OWN | LTQ_DMA_C)) || -+ priv->txch.skb[priv->txch.dma.desc]) { - netdev_err(dev, "tx ring full\n"); - netif_tx_stop_queue(txq); - return NETDEV_TX_BUSY; -@@ -541,7 +702,7 @@ ltq_etop_tx(struct sk_buff *skb, struct net_device *dev) - - /* dma needs to start on a 16 byte aligned address */ - byte_offset = CPHYSADDR(skb->data) % 16; -- ch->skb[ch->dma.desc] = skb; -+ priv->txch.skb[priv->txch.dma.desc] = skb; - - dev->trans_start = jiffies; - -@@ -551,11 +712,11 @@ ltq_etop_tx(struct sk_buff *skb, struct net_device *dev) - 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; -+ priv->txch.dma.desc++; -+ priv->txch.dma.desc %= LTQ_DESC_NUM; - spin_unlock_irqrestore(&priv->lock, flags); - -- if (ch->dma.desc_base[ch->dma.desc].ctl & LTQ_DMA_OWN) -+ if (priv->txch.dma.desc_base[priv->txch.dma.desc].ctl & LTQ_DMA_OWN) - netif_tx_stop_queue(txq); - - return NETDEV_TX_OK; -@@ -640,6 +801,10 @@ ltq_etop_init(struct net_device *dev) - err = ltq_etop_hw_init(dev); - if (err) - goto err_hw; -+ err = ltq_etop_dma_init(dev); -+ if (err) -+ goto err_hw; -+ - ltq_etop_change_mtu(dev, 1500); - - memcpy(&mac, &priv->pldata->mac, sizeof(struct sockaddr)); -@@ -652,9 +817,10 @@ ltq_etop_init(struct net_device *dev) - if (err) - goto err_netdev; - ltq_etop_set_multicast_list(dev); -- err = ltq_etop_mdio_init(dev); -- if (err) -- goto err_netdev; -+ if (!ltq_etop_mdio_init(dev)) -+ dev->ethtool_ops = <q_etop_ethtool_ops; -+ else -+ pr_warn("etop: mdio probe failed\n");; - return 0; - - err_netdev: -@@ -674,6 +840,9 @@ ltq_etop_tx_timeout(struct net_device *dev) - err = ltq_etop_hw_init(dev); - if (err) - goto err_hw; -+ err = ltq_etop_dma_init(dev); -+ if (err) -+ goto err_hw; - dev->trans_start = jiffies; - netif_wake_queue(dev); - return; -@@ -697,14 +866,13 @@ static const struct net_device_ops ltq_eth_netdev_ops = { - .ndo_tx_timeout = ltq_etop_tx_timeout, - }; - --static int __init -+static int __devinit - ltq_etop_probe(struct platform_device *pdev) - { - struct net_device *dev; - struct ltq_etop_priv *priv; -- struct resource *res; -+ struct resource *res, *gbit_res; - int err; -- int i; - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { -@@ -730,27 +898,62 @@ ltq_etop_probe(struct platform_device *pdev) - goto err_out; - } - -+ if (ltq_has_gbit()) { -+ gbit_res = platform_get_resource(pdev, IORESOURCE_MEM, 1); -+ if (!gbit_res) { -+ dev_err(&pdev->dev, "failed to get gbit resource\n"); -+ err = -ENOENT; -+ goto err_out; -+ } -+ ltq_gbit_membase = devm_ioremap_nocache(&pdev->dev, -+ gbit_res->start, resource_size(gbit_res)); -+ if (!ltq_gbit_membase) { -+ dev_err(&pdev->dev, "failed to remap gigabit switch %d\n", -+ pdev->id); -+ err = -ENOMEM; -+ goto err_out; -+ } -+ if (ltq_gpio_request(&pdev->dev, 42, 2, 1, "MDIO") || -+ ltq_gpio_request(&pdev->dev, 43, 2, 1, "MDC")) { -+ dev_err(&pdev->dev, "failed to request MDIO gpios\n"); -+ err = -EBUSY; -+ goto err_out; -+ } -+ } -+ - dev = alloc_etherdev_mq(sizeof(struct ltq_etop_priv), 4); - strcpy(dev->name, "eth%d"); - dev->netdev_ops = <q_eth_netdev_ops; -- dev->ethtool_ops = <q_etop_ethtool_ops; - priv = netdev_priv(dev); - priv->res = res; - priv->pdev = pdev; - priv->pldata = dev_get_platdata(&pdev->dev); - priv->netdev = dev; -- spin_lock_init(&priv->lock); - -- for (i = 0; i < MAX_DMA_CHAN; i++) { -- if (IS_TX(i)) -- netif_napi_add(dev, &priv->ch[i].napi, -- ltq_etop_poll_tx, 8); -- else if (IS_RX(i)) -- netif_napi_add(dev, &priv->ch[i].napi, -- ltq_etop_poll_rx, 32); -- priv->ch[i].netdev = dev; -+ priv->clk_ppe = clk_get(&pdev->dev, NULL); -+ if (IS_ERR(priv->clk_ppe)) -+ return PTR_ERR(priv->clk_ppe); -+ if (ltq_has_gbit()) { -+ priv->clk_switch = clk_get(&pdev->dev, "switch"); -+ if (IS_ERR(priv->clk_switch)) -+ return PTR_ERR(priv->clk_switch); -+ } -+ if (ltq_is_ase()) { -+ priv->clk_ephy = clk_get(&pdev->dev, "ephy"); -+ if (IS_ERR(priv->clk_ephy)) -+ return PTR_ERR(priv->clk_ephy); -+ priv->clk_ephycgu = clk_get(&pdev->dev, "ephycgu"); -+ if (IS_ERR(priv->clk_ephycgu)) -+ return PTR_ERR(priv->clk_ephycgu); - } - -+ spin_lock_init(&priv->lock); -+ -+ netif_napi_add(dev, &priv->txch.napi, ltq_etop_poll_tx, 8); -+ netif_napi_add(dev, &priv->rxch.napi, ltq_etop_poll_rx, 32); -+ priv->txch.netdev = dev; -+ priv->rxch.netdev = dev; -+ - err = register_netdev(dev); - if (err) - goto err_free; -@@ -779,6 +982,7 @@ ltq_etop_remove(struct platform_device *pdev) - } - - static struct platform_driver ltq_mii_driver = { -+ .probe = ltq_etop_probe, - .remove = __devexit_p(ltq_etop_remove), - .driver = { - .name = "ltq_etop", -@@ -786,24 +990,7 @@ static struct platform_driver ltq_mii_driver = { - }, - }; - --int __init --init_ltq_etop(void) --{ -- int ret = platform_driver_probe(<q_mii_driver, ltq_etop_probe); -- -- if (ret) -- pr_err("ltq_etop: Error registering platfom driver!"); -- return ret; --} -- --static void __exit --exit_ltq_etop(void) --{ -- platform_driver_unregister(<q_mii_driver); --} -- --module_init(init_ltq_etop); --module_exit(exit_ltq_etop); -+module_platform_driver(ltq_mii_driver); - - MODULE_AUTHOR("John Crispin <blogic@openwrt.org>"); - MODULE_DESCRIPTION("Lantiq SoC ETOP"); -diff --git a/net/ipv4/Kconfig b/net/ipv4/Kconfig -index d183262..7d444e0 100644 ---- a/net/ipv4/Kconfig -+++ b/net/ipv4/Kconfig -@@ -630,3 +630,10 @@ config TCP_MD5SIG - on the Internet. - - If unsure, say N. -+ -+config SVIP_NAT -+ bool "Include SVIP NAT" -+ depends on SOC_SVIP -+ default y -+ ---help--- -+ Include the SVIP NAT. -diff --git a/net/ipv4/Makefile b/net/ipv4/Makefile -index ff75d3b..1d57fe0 100644 ---- a/net/ipv4/Makefile -+++ b/net/ipv4/Makefile -@@ -53,3 +53,4 @@ obj-$(CONFIG_NETLABEL) += cipso_ipv4.o - - obj-$(CONFIG_XFRM) += xfrm4_policy.o xfrm4_state.o xfrm4_input.o \ - xfrm4_output.o -+obj-$(CONFIG_SVIP_NAT) += svip_nat.o --- -1.7.9.1 - |