]> git.sur5r.net Git - u-boot/blobdiff - drivers/net/mvpp2.c
mvpp2: Fix warning over 32bit vs 64bit targets
[u-boot] / drivers / net / mvpp2.c
index 8ffe6c84d438d396612feec0ce4be5bb995a5544..e3d31a560d54af4697cf8d48d678e878b4dd3fae 100644 (file)
@@ -30,6 +30,8 @@
 #include <asm/arch/soc.h>
 #include <linux/compat.h>
 #include <linux/mbus.h>
+#include <asm-generic/gpio.h>
+#include <fdt_support.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -314,6 +316,8 @@ do {                                                                        \
 #define            MVPP22_BM_ADDR_HIGH_VIRT_RLS_MASK   0xff00
 #define     MVPP22_BM_ADDR_HIGH_VIRT_RLS_SHIFT 8
 #define MVPP22_BM_MC_RLS_REG                   0x64d4
+#define MVPP22_BM_POOL_BASE_HIGH_REG           0x6310
+#define MVPP22_BM_POOL_BASE_HIGH_MASK          0xff
 
 /* TX Scheduler registers */
 #define MVPP2_TXP_SCHED_PORT_INDEX_REG         0x8000
@@ -442,7 +446,7 @@ do {                                                                        \
 /* MPCS registers */
 
 #define PCS40G_COMMON_CONTROL                  0x14
-#define      FORWARD_ERROR_CORRECTION_MASK     BIT(1)
+#define      FORWARD_ERROR_CORRECTION_MASK     BIT(10)
 
 #define PCS_CLOCK_RESET                                0x14c
 #define      TX_SD_CLK_RESET_MASK              BIT(0)
@@ -615,10 +619,10 @@ enum mv_netc_lanes {
 #define MVPP2_MAX_TXD                  16
 
 /* Amount of Tx descriptors that can be reserved at once by CPU */
-#define MVPP2_CPU_DESC_CHUNK           64
+#define MVPP2_CPU_DESC_CHUNK           16
 
 /* Max number of Tx descriptors in each aggregated queue */
-#define MVPP2_AGGR_TXQ_SIZE            256
+#define MVPP2_AGGR_TXQ_SIZE            16
 
 /* Descriptor aligned size */
 #define MVPP2_DESC_ALIGNED_SIZE                32
@@ -940,6 +944,7 @@ struct mvpp2 {
        struct mii_dev *bus;
 
        int probe_done;
+       u8 num_ports;
 };
 
 struct mvpp2_pcpu_stats {
@@ -985,6 +990,10 @@ struct mvpp2_port {
        phy_interface_t phy_interface;
        int phy_node;
        int phyaddr;
+#ifdef CONFIG_DM_GPIO
+       struct gpio_desc phy_reset_gpio;
+       struct gpio_desc phy_tx_disable_gpio;
+#endif
        int init;
        unsigned int link;
        unsigned int duplex;
@@ -2587,6 +2596,10 @@ static int mvpp2_bm_pool_create(struct udevice *dev,
 
        mvpp2_write(priv, MVPP2_BM_POOL_BASE_REG(bm_pool->id),
                    lower_32_bits(bm_pool->dma_addr));
+       if (priv->hw_version == MVPP22)
+               mvpp2_write(priv, MVPP22_BM_POOL_BASE_HIGH_REG,
+                           (upper_32_bits(bm_pool->dma_addr) &
+                           MVPP22_BM_POOL_BASE_HIGH_MASK));
        mvpp2_write(priv, MVPP2_BM_POOL_SIZE_REG(bm_pool->id), size);
 
        val = mvpp2_read(priv, MVPP2_BM_POOL_CTRL_REG(bm_pool->id));
@@ -2618,6 +2631,13 @@ static void mvpp2_bm_pool_bufsize_set(struct mvpp2 *priv,
 static void mvpp2_bm_bufs_free(struct udevice *dev, struct mvpp2 *priv,
                               struct mvpp2_bm_pool *bm_pool)
 {
+       int i;
+
+       for (i = 0; i < bm_pool->buf_num; i++) {
+               /* Allocate buffer back from the buffer manager */
+               mvpp2_read(priv, MVPP2_BM_PHY_ALLOC_REG(bm_pool->id));
+       }
+
        bm_pool->buf_num = 0;
 }
 
@@ -2655,7 +2675,7 @@ static int mvpp2_bm_pools_init(struct udevice *dev,
                err = mvpp2_bm_pool_create(dev, priv, bm_pool, size);
                if (err)
                        goto err_unroll_pools;
-               mvpp2_bm_pool_bufsize_set(priv, bm_pool, 0);
+               mvpp2_bm_pool_bufsize_set(priv, bm_pool, RX_BUFFER_SIZE);
        }
        return 0;
 
@@ -2841,9 +2861,6 @@ mvpp2_bm_pool_use(struct mvpp2_port *port, int pool, enum mvpp2_bm_type type,
                }
        }
 
-       mvpp2_bm_pool_bufsize_set(port->priv, new_pool,
-                                 MVPP2_RX_BUF_SIZE(new_pool->pkt_size));
-
        return new_pool;
 }
 
@@ -3050,10 +3067,6 @@ static void gop_gmac_sgmii2_5_cfg(struct mvpp2_port *port)
        val |= MVPP2_GMAC_CTRL4_QSGMII_BYPASS_ACTIVE_MASK;
        writel(val, port->base + MVPP2_GMAC_CTRL_4_REG);
 
-       val = readl(port->base + MVPP2_GMAC_CTRL_2_REG);
-       val |= MVPP2_GMAC_PORT_DIS_PADING_MASK;
-       writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);
-
        val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
        /*
         * Configure GIG MAC to 1000Base-X mode connected to a fiber
@@ -3096,10 +3109,6 @@ static void gop_gmac_sgmii_cfg(struct mvpp2_port *port)
        val |= MVPP2_GMAC_CTRL4_QSGMII_BYPASS_ACTIVE_MASK;
        writel(val, port->base + MVPP2_GMAC_CTRL_4_REG);
 
-       val = readl(port->base + MVPP2_GMAC_CTRL_2_REG);
-       val |= MVPP2_GMAC_PORT_DIS_PADING_MASK;
-       writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);
-
        val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
        /* configure GIG MAC to SGMII mode */
        val &= ~MVPP2_GMAC_PORT_TYPE_MASK;
@@ -3138,10 +3147,6 @@ static void gop_gmac_rgmii_cfg(struct mvpp2_port *port)
        val |= MVPP2_GMAC_CTRL4_EXT_PIN_GMII_SEL_MASK;
        writel(val, port->base + MVPP2_GMAC_CTRL_4_REG);
 
-       val = readl(port->base + MVPP2_GMAC_CTRL_2_REG);
-       val &= ~MVPP2_GMAC_PORT_DIS_PADING_MASK;
-       writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);
-
        val = readl(port->base + MVPP2_GMAC_CTRL_0_REG);
        /* configure GIG MAC to SGMII mode */
        val &= ~MVPP2_GMAC_PORT_TYPE_MASK;
@@ -3244,7 +3249,7 @@ static int gop_xpcs_mode(struct mvpp2_port *port, int num_of_lanes)
 
        /* configure XG MAC mode */
        val = readl(port->priv->xpcs_base + MVPP22_XPCS_GLOBAL_CFG_0_REG);
-       val &= ~MVPP22_XPCS_PCSMODE_OFFS;
+       val &= ~MVPP22_XPCS_PCSMODE_MASK;
        val &= ~MVPP22_XPCS_LANEACTIVE_MASK;
        val |= (2 * lane) << MVPP22_XPCS_LANEACTIVE_OFFS;
        writel(val, port->priv->xpcs_base + MVPP22_XPCS_GLOBAL_CFG_0_REG);
@@ -4472,7 +4477,15 @@ static int mvpp2_rx_refill(struct mvpp2_port *port,
 /* Set hw internals when starting port */
 static void mvpp2_start_dev(struct mvpp2_port *port)
 {
-       mvpp2_gmac_max_rx_size_set(port);
+       switch (port->phy_interface) {
+       case PHY_INTERFACE_MODE_RGMII:
+       case PHY_INTERFACE_MODE_RGMII_ID:
+       case PHY_INTERFACE_MODE_SGMII:
+               mvpp2_gmac_max_rx_size_set(port);
+       default:
+               break;
+       }
+
        mvpp2_txp_max_tx_size_set(port);
 
        if (port->priv->hw_version == MVPP21)
@@ -4567,11 +4580,16 @@ static int mvpp2_open(struct udevice *dev, struct mvpp2_port *port)
                return err;
        }
 
-       err = mvpp2_phy_connect(dev, port);
-       if (err < 0)
-               return err;
+       if (port->phy_node) {
+               err = mvpp2_phy_connect(dev, port);
+               if (err < 0)
+                       return err;
 
-       mvpp2_link_event(port);
+               mvpp2_link_event(port);
+       } else {
+               mvpp2_egress_enable(port);
+               mvpp2_ingress_enable(port);
+       }
 
        mvpp2_start_dev(port);
 
@@ -4666,20 +4684,6 @@ static int mvpp2_port_init(struct udevice *dev, struct mvpp2_port *port)
                port->rxqs[queue] = rxq;
        }
 
-       /* Configure Rx queue group interrupt for this port */
-       if (priv->hw_version == MVPP21) {
-               mvpp2_write(priv, MVPP21_ISR_RXQ_GROUP_REG(port->id),
-                           CONFIG_MV_ETH_RXQ);
-       } else {
-               u32 val;
-
-               val = (port->id << MVPP22_ISR_RXQ_GROUP_INDEX_GROUP_OFFSET);
-               mvpp2_write(priv, MVPP22_ISR_RXQ_GROUP_INDEX_REG, val);
-
-               val = (CONFIG_MV_ETH_RXQ <<
-                      MVPP22_ISR_RXQ_SUB_GROUP_SIZE_OFFSET);
-               mvpp2_write(priv, MVPP22_ISR_RXQ_SUB_GROUP_CONFIG_REG, val);
-       }
 
        /* Create Rx descriptor rings */
        for (queue = 0; queue < rxq_number; queue++) {
@@ -4714,15 +4718,44 @@ static int phy_info_parse(struct udevice *dev, struct mvpp2_port *port)
 {
        int port_node = dev_of_offset(dev);
        const char *phy_mode_str;
-       int phy_node;
+       int phy_node, mdio_off, cp_node;
        u32 id;
-       u32 phyaddr;
+       u32 phyaddr = 0;
        int phy_mode = -1;
+       phys_addr_t mdio_addr;
 
        phy_node = fdtdec_lookup_phandle(gd->fdt_blob, port_node, "phy");
-       if (phy_node < 0) {
-               dev_err(&pdev->dev, "missing phy\n");
-               return -ENODEV;
+
+       if (phy_node > 0) {
+               phyaddr = fdtdec_get_int(gd->fdt_blob, phy_node, "reg", 0);
+               if (phyaddr < 0) {
+                       dev_err(&pdev->dev, "could not find phy address\n");
+                       return -1;
+               }
+               mdio_off = fdt_parent_offset(gd->fdt_blob, phy_node);
+
+               /* TODO: This WA for mdio issue. U-boot 2017 don't have
+                * mdio driver and on MACHIATOBin board ports from CP1
+                * connected to mdio on CP0.
+                * WA is to get mdio address from phy handler parent
+                * base address. WA should be removed after
+                * mdio driver implementation.
+                */
+               mdio_addr = fdtdec_get_uint(gd->fdt_blob,
+                                           mdio_off, "reg", 0);
+
+               cp_node = fdt_parent_offset(gd->fdt_blob, mdio_off);
+               mdio_addr |= fdt_get_base_address((void *)gd->fdt_blob,
+                                                 cp_node);
+
+               port->priv->mdio_base = (void *)mdio_addr;
+
+               if (port->priv->mdio_base < 0) {
+                       dev_err(&pdev->dev, "could not find mdio base address\n");
+                       return -1;
+               }
+       } else {
+               phy_node = 0;
        }
 
        phy_mode_str = fdt_getprop(gd->fdt_blob, port_node, "phy-mode", NULL);
@@ -4739,6 +4772,13 @@ static int phy_info_parse(struct udevice *dev, struct mvpp2_port *port)
                return -EINVAL;
        }
 
+#ifdef CONFIG_DM_GPIO
+       gpio_request_by_name(dev, "phy-reset-gpios", 0,
+                            &port->phy_reset_gpio, GPIOD_IS_OUT);
+       gpio_request_by_name(dev, "marvell,sfp-tx-disable-gpio", 0,
+                            &port->phy_tx_disable_gpio, GPIOD_IS_OUT);
+#endif
+
        /*
         * ToDo:
         * Not sure if this DT property "phy-speed" will get accepted, so
@@ -4748,8 +4788,6 @@ static int phy_info_parse(struct udevice *dev, struct mvpp2_port *port)
        port->phy_speed = fdtdec_get_int(gd->fdt_blob, port_node,
                                         "phy-speed", 1000);
 
-       phyaddr = fdtdec_get_int(gd->fdt_blob, phy_node, "reg", 0);
-
        port->id = id;
        if (port->priv->hw_version == MVPP21)
                port->first_rxq = port->id * rxq_number;
@@ -4762,6 +4800,21 @@ static int phy_info_parse(struct udevice *dev, struct mvpp2_port *port)
        return 0;
 }
 
+#ifdef CONFIG_DM_GPIO
+/* Port GPIO initialization */
+static void mvpp2_gpio_init(struct mvpp2_port *port)
+{
+       if (dm_gpio_is_valid(&port->phy_reset_gpio)) {
+               dm_gpio_set_value(&port->phy_reset_gpio, 0);
+               udelay(1000);
+               dm_gpio_set_value(&port->phy_reset_gpio, 1);
+       }
+
+       if (dm_gpio_is_valid(&port->phy_tx_disable_gpio))
+               dm_gpio_set_value(&port->phy_tx_disable_gpio, 0);
+}
+#endif
+
 /* Ports initialization */
 static int mvpp2_port_probe(struct udevice *dev,
                            struct mvpp2_port *port,
@@ -4780,7 +4833,12 @@ static int mvpp2_port_probe(struct udevice *dev,
        }
        mvpp2_port_power_up(port);
 
+#ifdef CONFIG_DM_GPIO
+       mvpp2_gpio_init(port);
+#endif
+
        priv->port_list[port->id] = port;
+       priv->num_ports++;
        return 0;
 }
 
@@ -4945,13 +5003,14 @@ static int mvpp2_init(struct udevice *dev, struct mvpp2 *priv)
                return -EINVAL;
        }
 
-       /* MBUS windows configuration */
-       dram_target_info = mvebu_mbus_dram_info();
-       if (dram_target_info)
-               mvpp2_conf_mbus_windows(dram_target_info, priv);
-
        if (priv->hw_version == MVPP22)
                mvpp2_axi_init(priv);
+       else {
+               /* MBUS windows configuration */
+               dram_target_info = mvebu_mbus_dram_info();
+               if (dram_target_info)
+                       mvpp2_conf_mbus_windows(dram_target_info, priv);
+       }
 
        if (priv->hw_version == MVPP21) {
                /* Disable HW PHY polling */
@@ -4988,25 +5047,6 @@ static int mvpp2_init(struct udevice *dev, struct mvpp2 *priv)
        if (priv->hw_version == MVPP22)
                mvpp2_tx_fifo_init(priv);
 
-       /* Reset Rx queue group interrupt configuration */
-       for (i = 0; i < MVPP2_MAX_PORTS; i++) {
-               if (priv->hw_version == MVPP21) {
-                       mvpp2_write(priv, MVPP21_ISR_RXQ_GROUP_REG(i),
-                                   CONFIG_MV_ETH_RXQ);
-                       continue;
-               } else {
-                       u32 val;
-
-                       val = (i << MVPP22_ISR_RXQ_GROUP_INDEX_GROUP_OFFSET);
-                       mvpp2_write(priv, MVPP22_ISR_RXQ_GROUP_INDEX_REG, val);
-
-                       val = (CONFIG_MV_ETH_RXQ <<
-                              MVPP22_ISR_RXQ_SUB_GROUP_SIZE_OFFSET);
-                       mvpp2_write(priv,
-                                   MVPP22_ISR_RXQ_SUB_GROUP_CONFIG_REG, val);
-               }
-       }
-
        if (priv->hw_version == MVPP21)
                writel(MVPP2_EXT_GLOBAL_CTRL_DEFAULT,
                       priv->lms_base + MVPP2_MNG_EXTENDED_GLOBAL_CTRL_REG);
@@ -5152,21 +5192,10 @@ static int mvpp2_recv(struct udevice *dev, int flags, uchar **packetp)
        int pool, rx_bytes, err;
        int rx_received;
        struct mvpp2_rx_queue *rxq;
-       u32 cause_rx_tx, cause_rx, cause_misc;
        u8 *data;
 
-       cause_rx_tx = mvpp2_read(port->priv,
-                                MVPP2_ISR_RX_TX_CAUSE_REG(port->id));
-       cause_rx_tx &= ~MVPP2_CAUSE_TXQ_OCCUP_DESC_ALL_MASK;
-       cause_misc = cause_rx_tx & MVPP2_CAUSE_MISC_SUM_MASK;
-       if (!cause_rx_tx && !cause_misc)
-               return 0;
-
-       cause_rx = cause_rx_tx & MVPP2_CAUSE_RXQ_OCCUP_DESC_ALL_MASK;
-
        /* Process RX packets */
-       cause_rx |= port->pending_cause_rx;
-       rxq = mvpp2_get_rx_queue(port, cause_rx);
+       rxq = port->rxqs[0];
 
        /* Get number of received packets and clamp the to-do */
        rx_received = mvpp2_rxq_received(port, rxq->id);
@@ -5222,21 +5251,6 @@ static int mvpp2_recv(struct udevice *dev, int flags, uchar **packetp)
        return rx_bytes;
 }
 
-/* Drain Txq */
-static void mvpp2_txq_drain(struct mvpp2_port *port, struct mvpp2_tx_queue *txq,
-                           int enable)
-{
-       u32 val;
-
-       mvpp2_write(port->priv, MVPP2_TXQ_NUM_REG, txq->id);
-       val = mvpp2_read(port->priv, MVPP2_TXQ_PREF_BUF_REG);
-       if (enable)
-               val |= MVPP2_TXQ_DRAIN_EN_MASK;
-       else
-               val &= ~MVPP2_TXQ_DRAIN_EN_MASK;
-       mvpp2_write(port->priv, MVPP2_TXQ_PREF_BUF_REG, val);
-}
-
 static int mvpp2_send(struct udevice *dev, void *packet, int length)
 {
        struct mvpp2_port *port = dev_get_priv(dev);
@@ -5280,9 +5294,6 @@ static int mvpp2_send(struct udevice *dev, void *packet, int length)
                tx_done = mvpp2_txq_pend_desc_num_get(port, txq);
        } while (tx_done);
 
-       /* Enable TXQ drain */
-       mvpp2_txq_drain(port, txq, 1);
-
        timeout = 0;
        do {
                if (timeout++ > 10000) {
@@ -5292,9 +5303,6 @@ static int mvpp2_send(struct udevice *dev, void *packet, int length)
                tx_done = mvpp2_txq_sent_desc_proc(port, txq);
        } while (!tx_done);
 
-       /* Disable TXQ drain */
-       mvpp2_txq_drain(port, txq, 0);
-
        return 0;
 }
 
@@ -5309,7 +5317,14 @@ static int mvpp2_start(struct udevice *dev)
        /* Reconfigure parser accept the original MAC address */
        mvpp2_prs_update_mac_da(port, port->dev_addr);
 
-       mvpp2_port_power_up(port);
+       switch (port->phy_interface) {
+       case PHY_INTERFACE_MODE_RGMII:
+       case PHY_INTERFACE_MODE_RGMII_ID:
+       case PHY_INTERFACE_MODE_SGMII:
+               mvpp2_port_power_up(port);
+       default:
+               break;
+       }
 
        mvpp2_open(dev, port);
 
@@ -5387,18 +5402,18 @@ static int mvpp2_base_probe(struct udevice *dev)
        memset(bd_space, 0, size);
 
        /* Save base addresses for later use */
-       priv->base = (void *)dev_get_addr_index(dev, 0);
+       priv->base = (void *)devfdt_get_addr_index(dev, 0);
        if (IS_ERR(priv->base))
                return PTR_ERR(priv->base);
 
        if (priv->hw_version == MVPP21) {
-               priv->lms_base = (void *)dev_get_addr_index(dev, 1);
+               priv->lms_base = (void *)devfdt_get_addr_index(dev, 1);
                if (IS_ERR(priv->lms_base))
                        return PTR_ERR(priv->lms_base);
 
                priv->mdio_base = priv->lms_base + MVPP21_SMI;
        } else {
-               priv->iface_base = (void *)dev_get_addr_index(dev, 1);
+               priv->iface_base = (void *)devfdt_get_addr_index(dev, 1);
                if (IS_ERR(priv->iface_base))
                        return PTR_ERR(priv->iface_base);
 
@@ -5438,10 +5453,8 @@ static int mvpp2_probe(struct udevice *dev)
        int err;
 
        /* Only call the probe function for the parent once */
-       if (!priv->probe_done) {
+       if (!priv->probe_done)
                err = mvpp2_base_probe(dev->parent);
-               priv->probe_done = 1;
-       }
 
        port->priv = dev_get_priv(dev->parent);
 
@@ -5456,7 +5469,7 @@ static int mvpp2_probe(struct udevice *dev)
        if (priv->hw_version == MVPP21) {
                int priv_common_regs_num = 2;
 
-               port->base = (void __iomem *)dev_get_addr_index(
+               port->base = (void __iomem *)devfdt_get_addr_index(
                        dev->parent, priv_common_regs_num + port->id);
                if (IS_ERR(port->base))
                        return PTR_ERR(port->base);
@@ -5472,17 +5485,22 @@ static int mvpp2_probe(struct udevice *dev)
                        port->gop_id * MVPP22_PORT_OFFSET;
 
                /* Set phy address of the port */
-               mvpp22_smi_phy_addr_cfg(port);
+               if(port->phy_node)
+                       mvpp22_smi_phy_addr_cfg(port);
 
                /* GoP Init */
                gop_port_init(port);
        }
 
-       /* Initialize network controller */
-       err = mvpp2_init(dev, priv);
-       if (err < 0) {
-               dev_err(&pdev->dev, "failed to initialize controller\n");
-               return err;
+       if (!priv->probe_done) {
+               /* Initialize network controller */
+               err = mvpp2_init(dev, priv);
+               if (err < 0) {
+                       dev_err(&pdev->dev, "failed to initialize controller\n");
+                       return err;
+               }
+               priv->num_ports = 0;
+               priv->probe_done = 1;
        }
 
        err = mvpp2_port_probe(dev, port, dev_of_offset(dev), priv);
@@ -5501,6 +5519,26 @@ static int mvpp2_probe(struct udevice *dev)
        return 0;
 }
 
+/*
+ * Empty BM pool and stop its activity before the OS is started
+ */
+static int mvpp2_remove(struct udevice *dev)
+{
+       struct mvpp2_port *port = dev_get_priv(dev);
+       struct mvpp2 *priv = port->priv;
+       int i;
+
+       priv->num_ports--;
+
+       if (priv->num_ports)
+               return 0;
+
+       for (i = 0; i < MVPP2_BM_POOLS_NUM; i++)
+               mvpp2_bm_pool_destroy(dev, priv, &priv->bm_pools[i]);
+
+       return 0;
+}
+
 static const struct eth_ops mvpp2_ops = {
        .start          = mvpp2_start,
        .send           = mvpp2_send,
@@ -5512,9 +5550,11 @@ static struct driver mvpp2_driver = {
        .name   = "mvpp2",
        .id     = UCLASS_ETH,
        .probe  = mvpp2_probe,
+       .remove = mvpp2_remove,
        .ops    = &mvpp2_ops,
        .priv_auto_alloc_size = sizeof(struct mvpp2_port),
        .platdata_auto_alloc_size = sizeof(struct eth_pdata),
+       .flags  = DM_FLAG_ACTIVE_DMA,
 };
 
 /*