*/
#include <common.h>
+#include <cpu_func.h>
#include <dm.h>
+#include <asm/cache.h>
#include <dm/device-internal.h>
+#include <dm/device_compat.h>
+#include <dm/devres.h>
#include <dm/lists.h>
#include <net.h>
#include <netdev.h>
#include <config.h>
#include <malloc.h>
#include <asm/io.h>
+#include <linux/bitops.h>
+#include <linux/bug.h>
+#include <linux/delay.h>
+#include <linux/err.h>
#include <linux/errno.h>
#include <phy.h>
#include <miiphy.h>
#include <asm/arch/cpu.h>
#include <asm/arch/soc.h>
#include <linux/compat.h>
+#include <linux/libfdt.h>
#include <linux/mbus.h>
#include <asm-generic/gpio.h>
#include <fdt_support.h>
+#include <linux/mdio.h>
DECLARE_GLOBAL_DATA_PTR;
-/* Some linux -> U-Boot compatibility stuff */
-#define netdev_err(dev, fmt, args...) \
- printf(fmt, ##args)
-#define netdev_warn(dev, fmt, args...) \
- printf(fmt, ##args)
-#define netdev_info(dev, fmt, args...) \
- printf(fmt, ##args)
-#define netdev_dbg(dev, fmt, args...) \
- printf(fmt, ##args)
-
-#define ETH_ALEN 6 /* Octets in one ethernet addr */
-
#define __verify_pcpu_ptr(ptr) \
do { \
const void __percpu *__vpp_verify = (typeof((ptr) + 0))NULL; \
#define NET_SKB_PAD max(32, MVPP2_CPU_D_CACHE_LINE_SIZE)
#define CONFIG_NR_CPUS 1
-#define ETH_HLEN ETHER_HDR_SIZE /* Total octets in header */
/* 2(HW hdr) 14(MAC hdr) 4(CRC) 32(extra for cache prefetch) */
#define WRAP (2 + ETH_HLEN + 4 + 32)
#define MTU 1500
#define RX_BUFFER_SIZE (ALIGN(MTU + WRAP, ARCH_DMA_MINALIGN))
-#define MVPP2_SMI_TIMEOUT 10000
-
/* RX Fifo Registers */
#define MVPP2_RX_DATA_FIFO_SIZE_REG(port) (0x00 + 4 * (port))
#define MVPP2_RX_ATTR_FIFO_SIZE_REG(port) (0x20 + 4 * (port))
#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
#define MVPP2_QUEUE_NEXT_DESC(q, index) \
(((index) < (q)->last_desc) ? ((index) + 1) : 0)
-/* SMI: 0xc0054 -> offset 0x54 to lms_base */
-#define MVPP21_SMI 0x0054
/* PP2.2: SMI: 0x12a200 -> offset 0x1200 to iface_base */
#define MVPP22_SMI 0x1200
-#define MVPP2_PHY_REG_MASK 0x1f
-/* SMI register fields */
-#define MVPP2_SMI_DATA_OFFS 0 /* Data */
-#define MVPP2_SMI_DATA_MASK (0xffff << MVPP2_SMI_DATA_OFFS)
-#define MVPP2_SMI_DEV_ADDR_OFFS 16 /* PHY device address */
-#define MVPP2_SMI_REG_ADDR_OFFS 21 /* PHY device reg addr*/
-#define MVPP2_SMI_OPCODE_OFFS 26 /* Write/Read opcode */
-#define MVPP2_SMI_OPCODE_READ (1 << MVPP2_SMI_OPCODE_OFFS)
-#define MVPP2_SMI_READ_VALID (1 << 27) /* Read Valid */
-#define MVPP2_SMI_BUSY (1 << 28) /* Busy */
-
-#define MVPP2_PHY_ADDR_MASK 0x1f
-#define MVPP2_PHY_REG_MASK 0x1f
/* Additional PPv2.2 offsets */
#define MVPP22_MPCS 0x007000
/* Default number of TXQs in use */
#define MVPP2_DEFAULT_TXQ 1
-/* Dfault number of RXQs in use */
+/* Default number of RXQs in use */
#define MVPP2_DEFAULT_RXQ 1
#define CONFIG_MV_ETH_RXQ 8 /* increment by 8 */
void __iomem *base;
void __iomem *lms_base;
void __iomem *iface_base;
- void __iomem *mdio_base;
void __iomem *mpcs_base;
void __iomem *xpcs_base;
/* Maximum number of RXQs per port */
unsigned int max_port_rxqs;
- struct mii_dev *bus;
-
int probe_done;
u8 num_ports;
};
struct phy_device *phy_dev;
phy_interface_t phy_interface;
- int phy_node;
int phyaddr;
-#ifdef CONFIG_DM_GPIO
+ struct udevice *mdio_dev;
+ struct mii_dev *bus;
+#if CONFIG_IS_ENABLED(DM_GPIO)
struct gpio_desc phy_reset_gpio;
struct gpio_desc phy_tx_disable_gpio;
#endif
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));
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;
}
}
- mvpp2_bm_pool_bufsize_set(port->priv, new_pool,
- MVPP2_RX_BUF_SIZE(new_pool->pkt_size));
-
return new_pool;
}
gop_port_enable(port, 0);
}
-static int mvpp2_phy_connect(struct udevice *dev, struct mvpp2_port *port)
+static void mvpp2_phy_connect(struct udevice *dev, struct mvpp2_port *port)
{
struct phy_device *phy_dev;
if (!port->init || port->link == 0) {
- phy_dev = phy_connect(port->priv->bus, port->phyaddr, dev,
- port->phy_interface);
+ phy_dev = dm_mdio_phy_connect(port->mdio_dev, port->phyaddr,
+ dev, port->phy_interface);
+
+ /*
+ * If the phy doesn't match with any existing u-boot drivers the
+ * phy framework will connect it to generic one which
+ * uid == 0xffffffff. In this case act as if the phy wouldn't be
+ * declared in dts. Otherwise in case of 3310 (for which the
+ * driver doesn't exist) the link will not be correctly
+ * detected. Removing phy entry from dts in case of 3310 is not
+ * an option because it is required for the phy_fw_down
+ * procedure.
+ */
+ if (phy_dev &&
+ phy_dev->drv->uid == 0xffffffff) {/* Generic phy */
+ netdev_warn(port->dev,
+ "Marking phy as invalid, link will not be checked\n");
+ /* set phy_addr to invalid value */
+ port->phyaddr = PHY_MAX_ADDR;
+ mvpp2_egress_enable(port);
+ mvpp2_ingress_enable(port);
+
+ return;
+ }
+
port->phy_dev = phy_dev;
if (!phy_dev) {
netdev_err(port->dev, "cannot connect to phy\n");
- return -ENODEV;
+ return;
}
phy_dev->supported &= PHY_GBIT_FEATURES;
phy_dev->advertising = phy_dev->supported;
phy_config(phy_dev);
phy_startup(phy_dev);
- if (!phy_dev->link) {
+ if (!phy_dev->link)
printf("%s: No link\n", phy_dev->dev->name);
- return -1;
- }
-
- port->init = 1;
+ else
+ port->init = 1;
} else {
mvpp2_egress_enable(port);
mvpp2_ingress_enable(port);
}
-
- return 0;
}
static int mvpp2_open(struct udevice *dev, struct mvpp2_port *port)
return err;
}
- if (port->phy_node) {
- err = mvpp2_phy_connect(dev, port);
- if (err < 0)
- return err;
-
+ if (port->phyaddr < PHY_MAX_ADDR) {
+ mvpp2_phy_connect(dev, port);
mvpp2_link_event(port);
} else {
mvpp2_egress_enable(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++) {
{
int port_node = dev_of_offset(dev);
const char *phy_mode_str;
- int phy_node, mdio_off, cp_node;
+ int phy_node;
u32 id;
u32 phyaddr = 0;
int phy_mode = -1;
- u64 mdio_addr;
+ int ret;
phy_node = fdtdec_lookup_phandle(gd->fdt_blob, port_node, "phy");
if (phy_node > 0) {
+ int parent;
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;
- }
+ parent = fdt_parent_offset(gd->fdt_blob, phy_node);
+ ret = uclass_get_device_by_of_offset(UCLASS_MDIO, parent,
+ &port->mdio_dev);
+ if (ret)
+ return ret;
} else {
- phy_node = 0;
+ /* phy_addr is set to invalid value */
+ phyaddr = PHY_MAX_ADDR;
}
phy_mode_str = fdt_getprop(gd->fdt_blob, port_node, "phy-mode", NULL);
return -EINVAL;
}
-#ifdef CONFIG_DM_GPIO
+#if CONFIG_IS_ENABLED(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->first_rxq = port->id * rxq_number;
else
port->first_rxq = port->id * port->priv->max_port_rxqs;
- port->phy_node = phy_node;
port->phy_interface = phy_mode;
port->phyaddr = phyaddr;
return 0;
}
-#ifdef CONFIG_DM_GPIO
+#if CONFIG_IS_ENABLED(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);
+ mdelay(10);
+ dm_gpio_set_value(&port->phy_reset_gpio, 0);
}
if (dm_gpio_is_valid(&port->phy_tx_disable_gpio))
}
mvpp2_port_power_up(port);
-#ifdef CONFIG_DM_GPIO
+#if CONFIG_IS_ENABLED(DM_GPIO)
mvpp2_gpio_init(port);
#endif
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);
return 0;
}
-/* SMI / MDIO functions */
-
-static int smi_wait_ready(struct mvpp2 *priv)
-{
- u32 timeout = MVPP2_SMI_TIMEOUT;
- u32 smi_reg;
-
- /* wait till the SMI is not busy */
- do {
- /* read smi register */
- smi_reg = readl(priv->mdio_base);
- if (timeout-- == 0) {
- printf("Error: SMI busy timeout\n");
- return -EFAULT;
- }
- } while (smi_reg & MVPP2_SMI_BUSY);
-
- return 0;
-}
-
-/*
- * mpp2_mdio_read - miiphy_read callback function.
- *
- * Returns 16bit phy register value, or 0xffff on error
- */
-static int mpp2_mdio_read(struct mii_dev *bus, int addr, int devad, int reg)
-{
- struct mvpp2 *priv = bus->priv;
- u32 smi_reg;
- u32 timeout;
-
- /* check parameters */
- if (addr > MVPP2_PHY_ADDR_MASK) {
- printf("Error: Invalid PHY address %d\n", addr);
- return -EFAULT;
- }
-
- if (reg > MVPP2_PHY_REG_MASK) {
- printf("Err: Invalid register offset %d\n", reg);
- return -EFAULT;
- }
-
- /* wait till the SMI is not busy */
- if (smi_wait_ready(priv) < 0)
- return -EFAULT;
-
- /* fill the phy address and regiser offset and read opcode */
- smi_reg = (addr << MVPP2_SMI_DEV_ADDR_OFFS)
- | (reg << MVPP2_SMI_REG_ADDR_OFFS)
- | MVPP2_SMI_OPCODE_READ;
-
- /* write the smi register */
- writel(smi_reg, priv->mdio_base);
-
- /* wait till read value is ready */
- timeout = MVPP2_SMI_TIMEOUT;
-
- do {
- /* read smi register */
- smi_reg = readl(priv->mdio_base);
- if (timeout-- == 0) {
- printf("Err: SMI read ready timeout\n");
- return -EFAULT;
- }
- } while (!(smi_reg & MVPP2_SMI_READ_VALID));
-
- /* Wait for the data to update in the SMI register */
- for (timeout = 0; timeout < MVPP2_SMI_TIMEOUT; timeout++)
- ;
-
- return readl(priv->mdio_base) & MVPP2_SMI_DATA_MASK;
-}
-
-/*
- * mpp2_mdio_write - miiphy_write callback function.
- *
- * Returns 0 if write succeed, -EINVAL on bad parameters
- * -ETIME on timeout
- */
-static int mpp2_mdio_write(struct mii_dev *bus, int addr, int devad, int reg,
- u16 value)
-{
- struct mvpp2 *priv = bus->priv;
- u32 smi_reg;
-
- /* check parameters */
- if (addr > MVPP2_PHY_ADDR_MASK) {
- printf("Error: Invalid PHY address %d\n", addr);
- return -EFAULT;
- }
-
- if (reg > MVPP2_PHY_REG_MASK) {
- printf("Err: Invalid register offset %d\n", reg);
- return -EFAULT;
- }
-
- /* wait till the SMI is not busy */
- if (smi_wait_ready(priv) < 0)
- return -EFAULT;
-
- /* fill the phy addr and reg offset and write opcode and data */
- smi_reg = value << MVPP2_SMI_DATA_OFFS;
- smi_reg |= (addr << MVPP2_SMI_DEV_ADDR_OFFS)
- | (reg << MVPP2_SMI_REG_ADDR_OFFS);
- smi_reg &= ~MVPP2_SMI_OPCODE_READ;
-
- /* write the smi register */
- writel(smi_reg, priv->mdio_base);
-
- return 0;
-}
-
static int mvpp2_recv(struct udevice *dev, int flags, uchar **packetp)
{
struct mvpp2_port *port = dev_get_priv(dev);
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;
+ if (port->phyaddr < PHY_MAX_ADDR)
+ if (!port->phy_dev->link)
+ return 0;
/* 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);
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);
int tx_done;
int timeout;
+ if (port->phyaddr < PHY_MAX_ADDR)
+ if (!port->phy_dev->link)
+ return 0;
+
txq = port->txqs[0];
aggr_txq = &port->priv->aggr_txqs[smp_processor_id()];
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) {
tx_done = mvpp2_txq_sent_desc_proc(port, txq);
} while (!tx_done);
- /* Disable TXQ drain */
- mvpp2_txq_drain(port, txq, 0);
-
return 0;
}
mvpp2_cleanup_txqs(port);
}
+static int mvpp2_write_hwaddr(struct udevice *dev)
+{
+ struct mvpp2_port *port = dev_get_priv(dev);
+
+ return mvpp2_prs_update_mac_da(port, port->dev_addr);
+}
+
static int mvpp22_smi_phy_addr_cfg(struct mvpp2_port *port)
{
writel(port->phyaddr, port->priv->iface_base +
static int mvpp2_base_probe(struct udevice *dev)
{
struct mvpp2 *priv = dev_get_priv(dev);
- struct mii_dev *bus;
void *bd_space;
u32 size = 0;
int i;
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 *)devfdt_get_addr_index(dev, 1);
if (IS_ERR(priv->iface_base))
return PTR_ERR(priv->iface_base);
- priv->mdio_base = priv->iface_base + MVPP22_SMI;
-
/* Store common base addresses for all ports */
priv->mpcs_base = priv->iface_base + MVPP22_MPCS;
priv->xpcs_base = priv->iface_base + MVPP22_XPCS;
else
priv->max_port_rxqs = 32;
- /* Finally create and register the MDIO bus driver */
- bus = mdio_alloc();
- if (!bus) {
- printf("Failed to allocate MDIO bus\n");
- return -ENOMEM;
- }
-
- bus->read = mpp2_mdio_read;
- bus->write = mpp2_mdio_write;
- snprintf(bus->name, sizeof(bus->name), dev->name);
- bus->priv = (void *)priv;
- priv->bus = bus;
-
- return mdio_register(bus);
+ return 0;
}
static int mvpp2_probe(struct udevice *dev)
if (!priv->probe_done)
err = mvpp2_base_probe(dev->parent);
- port->priv = dev_get_priv(dev->parent);
+ port->priv = priv;
err = phy_info_parse(dev, port);
if (err)
port->gop_id * MVPP22_PORT_OFFSET;
/* Set phy address of the port */
- if(port->phy_node)
+ if (port->phyaddr < PHY_MAX_ADDR)
mvpp22_smi_phy_addr_cfg(port);
/* GoP Init */
.send = mvpp2_send,
.recv = mvpp2_recv,
.stop = mvpp2_stop,
+ .write_hwaddr = mvpp2_write_hwaddr
};
static struct driver mvpp2_driver = {
id += base_id_add;
name = calloc(1, 16);
+ if (!name) {
+ free(plat);
+ return -ENOMEM;
+ }
sprintf(name, "mvpp2-%d", id);
/* Create child device UCLASS_ETH and bind it */
projects / platform / kernel / u-boot.git / blobdiff