+// SPDX-License-Identifier: GPL-2.0+
/*
* Ethernet driver for TI K2HK EVM.
*
* (C) Copyright 2012-2014
* Texas Instruments Incorporated, <www.ti.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <command.h>
+#include <console.h>
+
+#include <dm.h>
+#include <dm/lists.h>
#include <net.h>
#include <phy.h>
+#include <errno.h>
#include <miiphy.h>
#include <malloc.h>
#include <asm/ti-common/keystone_nav.h>
#include <asm/ti-common/keystone_net.h>
#include <asm/ti-common/keystone_serdes.h>
+#include <asm/arch/psc_defs.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+#ifndef CONFIG_DM_ETH
unsigned int emac_open;
static struct mii_dev *mdio_bus;
static unsigned int sys_has_mdio = 1;
+#endif
#ifdef KEYSTONE2_EMAC_GIG_ENABLE
#define emac_gigabit_enable(x) keystone2_eth_gigabit_enable(x)
#define RX_BUFF_NUMS 24
#define RX_BUFF_LEN 1520
#define MAX_SIZE_STREAM_BUFFER RX_BUFF_LEN
+#define SGMII_ANEG_TIMEOUT 4000
static u8 rx_buffs[RX_BUFF_NUMS * RX_BUFF_LEN] __aligned(16);
+#ifndef CONFIG_DM_ETH
struct rx_buff_desc net_rx_buffs = {
.buff_ptr = rx_buffs,
.num_buffs = RX_BUFF_NUMS,
.buff_len = RX_BUFF_LEN,
.rx_flow = 22,
};
+#endif
-static void keystone2_net_serdes_setup(void);
+#ifdef CONFIG_DM_ETH
+
+enum link_type {
+ LINK_TYPE_SGMII_MAC_TO_MAC_AUTO = 0,
+ LINK_TYPE_SGMII_MAC_TO_PHY_MODE = 1,
+ LINK_TYPE_SGMII_MAC_TO_MAC_FORCED_MODE = 2,
+ LINK_TYPE_SGMII_MAC_TO_FIBRE_MODE = 3,
+ LINK_TYPE_SGMII_MAC_TO_PHY_NO_MDIO_MODE = 4,
+ LINK_TYPE_RGMII_LINK_MAC_PHY = 5,
+ LINK_TYPE_RGMII_LINK_MAC_MAC_FORCED = 6,
+ LINK_TYPE_RGMII_LINK_MAC_PHY_NO_MDIO = 7,
+ LINK_TYPE_10G_MAC_TO_PHY_MODE = 10,
+ LINK_TYPE_10G_MAC_TO_MAC_FORCED_MODE = 11,
+};
-int keystone2_eth_read_mac_addr(struct eth_device *dev)
-{
- struct eth_priv_t *eth_priv;
- u32 maca = 0;
- u32 macb = 0;
+#define mac_hi(mac) (((mac)[0] << 0) | ((mac)[1] << 8) | \
+ ((mac)[2] << 16) | ((mac)[3] << 24))
+#define mac_lo(mac) (((mac)[4] << 0) | ((mac)[5] << 8))
- eth_priv = (struct eth_priv_t *)dev->priv;
+#ifdef CONFIG_KSNET_NETCP_V1_0
- /* Read the e-fuse mac address */
- if (eth_priv->slave_port == 1) {
- maca = __raw_readl(MAC_ID_BASE_ADDR);
- macb = __raw_readl(MAC_ID_BASE_ADDR + 4);
- }
+#define EMAC_EMACSW_BASE_OFS 0x90800
+#define EMAC_EMACSW_PORT_BASE_OFS (EMAC_EMACSW_BASE_OFS + 0x60)
- dev->enetaddr[0] = (macb >> 8) & 0xff;
- dev->enetaddr[1] = (macb >> 0) & 0xff;
- dev->enetaddr[2] = (maca >> 24) & 0xff;
- dev->enetaddr[3] = (maca >> 16) & 0xff;
- dev->enetaddr[4] = (maca >> 8) & 0xff;
- dev->enetaddr[5] = (maca >> 0) & 0xff;
+/* CPSW Switch slave registers */
+#define CPGMACSL_REG_SA_LO 0x10
+#define CPGMACSL_REG_SA_HI 0x14
- return 0;
-}
+#define DEVICE_EMACSW_BASE(base, x) ((base) + EMAC_EMACSW_PORT_BASE_OFS + \
+ (x) * 0x30)
+
+#elif defined CONFIG_KSNET_NETCP_V1_5
+
+#define EMAC_EMACSW_PORT_BASE_OFS 0x222000
+
+/* CPSW Switch slave registers */
+#define CPGMACSL_REG_SA_LO 0x308
+#define CPGMACSL_REG_SA_HI 0x30c
+
+#define DEVICE_EMACSW_BASE(base, x) ((base) + EMAC_EMACSW_PORT_BASE_OFS + \
+ (x) * 0x1000)
+
+#endif
+
+
+struct ks2_eth_priv {
+ struct udevice *dev;
+ struct phy_device *phydev;
+ struct mii_dev *mdio_bus;
+ int phy_addr;
+ phy_interface_t phy_if;
+ int sgmii_link_type;
+ void *mdio_base;
+ struct rx_buff_desc net_rx_buffs;
+ struct pktdma_cfg *netcp_pktdma;
+ void *hd;
+ int slave_port;
+ enum link_type link_type;
+ bool emac_open;
+ bool has_mdio;
+};
+#endif
/* MDIO */
return 0;
}
+#ifndef CONFIG_DM_ETH
static void __attribute__((unused))
keystone2_eth_gigabit_enable(struct eth_device *dev)
{
EMAC_MACCONTROL_GIGFORCE | EMAC_MACCONTROL_GIGABIT_ENABLE,
DEVICE_EMACSL_BASE(eth_priv->slave_port - 1) + CPGMACSL_REG_CTL);
}
-
-int keystone_sgmii_link_status(int port)
+#else
+static void __attribute__((unused))
+ keystone2_eth_gigabit_enable(struct udevice *dev)
{
- u32 status = 0;
+ struct ks2_eth_priv *priv = dev_get_priv(dev);
+ u_int16_t data;
- status = __raw_readl(SGMII_STATUS_REG(port));
+ if (priv->has_mdio) {
+ data = keystone2_mdio_read(priv->mdio_bus, priv->phy_addr,
+ MDIO_DEVAD_NONE, 0);
+ /* speed selection MSB */
+ if (!(data & (1 << 6)))
+ return;
+ }
- return (status & SGMII_REG_STATUS_LOCK) &&
- (status & SGMII_REG_STATUS_LINK);
+ /*
+ * Check if link detected is giga-bit
+ * If Gigabit mode detected, enable gigbit in MAC
+ */
+ writel(readl(DEVICE_EMACSL_BASE(priv->slave_port - 1) +
+ CPGMACSL_REG_CTL) |
+ EMAC_MACCONTROL_GIGFORCE | EMAC_MACCONTROL_GIGABIT_ENABLE,
+ DEVICE_EMACSL_BASE(priv->slave_port - 1) + CPGMACSL_REG_CTL);
}
+#endif
-int keystone_sgmii_config(int port, int interface)
+#ifdef CONFIG_SOC_K2G
+int keystone_rgmii_config(struct phy_device *phy_dev)
+{
+ unsigned int i, status;
+
+ i = 0;
+ do {
+ if (i > SGMII_ANEG_TIMEOUT) {
+ puts(" TIMEOUT !\n");
+ phy_dev->link = 0;
+ return 0;
+ }
+
+ if (ctrlc()) {
+ puts("user interrupt!\n");
+ phy_dev->link = 0;
+ return -EINTR;
+ }
+
+ if ((i++ % 500) == 0)
+ printf(".");
+
+ udelay(1000); /* 1 ms */
+ status = readl(RGMII_STATUS_REG);
+ } while (!(status & RGMII_REG_STATUS_LINK));
+
+ puts(" done\n");
+
+ return 0;
+}
+#else
+int keystone_sgmii_config(struct phy_device *phy_dev, int port, int interface)
{
unsigned int i, status, mask;
unsigned int mr_adv_ability, control;
if (control & SGMII_REG_CONTROL_AUTONEG)
mask |= SGMII_REG_STATUS_AUTONEG;
- for (i = 0; i < 1000; i++) {
+ status = __raw_readl(SGMII_STATUS_REG(port));
+ if ((status & mask) == mask)
+ return 0;
+
+ printf("\n%s Waiting for SGMII auto negotiation to complete",
+ phy_dev->dev->name);
+ while ((status & mask) != mask) {
+ /*
+ * Timeout reached ?
+ */
+ if (i > SGMII_ANEG_TIMEOUT) {
+ puts(" TIMEOUT !\n");
+ phy_dev->link = 0;
+ return 0;
+ }
+
+ if (ctrlc()) {
+ puts("user interrupt!\n");
+ phy_dev->link = 0;
+ return -EINTR;
+ }
+
+ if ((i++ % 500) == 0)
+ printf(".");
+
+ udelay(1000); /* 1 ms */
status = __raw_readl(SGMII_STATUS_REG(port));
- if ((status & mask) == mask)
- break;
}
+ puts(" done\n");
return 0;
}
+#endif
int mac_sl_reset(u32 port)
{
writel(cfg->max_rx_len, DEVICE_EMACSL_BASE(port) + CPGMACSL_REG_MAXLEN);
writel(cfg->ctl, DEVICE_EMACSL_BASE(port) + CPGMACSL_REG_CTL);
+#ifndef CONFIG_SOC_K2HK
+ /* Map RX packet flow priority to 0 */
+ writel(0, DEVICE_EMACSL_BASE(port) + CPGMACSL_REG_RX_PRI_MAP);
+#endif
+
return ret;
}
return 0;
}
+struct ks2_serdes ks2_serdes_sgmii_156p25mhz = {
+ .clk = SERDES_CLOCK_156P25M,
+ .rate = SERDES_RATE_5G,
+ .rate_mode = SERDES_QUARTER_RATE,
+ .intf = SERDES_PHY_SGMII,
+ .loopback = 0,
+};
+
+#ifndef CONFIG_SOC_K2G
+static void keystone2_net_serdes_setup(void)
+{
+ ks2_serdes_init(CONFIG_KSNET_SERDES_SGMII_BASE,
+ &ks2_serdes_sgmii_156p25mhz,
+ CONFIG_KSNET_SERDES_LANES_PER_SGMII);
+
+#if defined(CONFIG_SOC_K2E) || defined(CONFIG_SOC_K2L)
+ ks2_serdes_init(CONFIG_KSNET_SERDES_SGMII2_BASE,
+ &ks2_serdes_sgmii_156p25mhz,
+ CONFIG_KSNET_SERDES_LANES_PER_SGMII);
+#endif
+
+ /* wait till setup */
+ udelay(5000);
+}
+#endif
+
+#ifndef CONFIG_DM_ETH
+
+int keystone2_eth_read_mac_addr(struct eth_device *dev)
+{
+ struct eth_priv_t *eth_priv;
+ u32 maca = 0;
+ u32 macb = 0;
+
+ eth_priv = (struct eth_priv_t *)dev->priv;
+
+ /* Read the e-fuse mac address */
+ if (eth_priv->slave_port == 1) {
+ maca = __raw_readl(MAC_ID_BASE_ADDR);
+ macb = __raw_readl(MAC_ID_BASE_ADDR + 4);
+ }
+
+ dev->enetaddr[0] = (macb >> 8) & 0xff;
+ dev->enetaddr[1] = (macb >> 0) & 0xff;
+ dev->enetaddr[2] = (maca >> 24) & 0xff;
+ dev->enetaddr[3] = (maca >> 16) & 0xff;
+ dev->enetaddr[4] = (maca >> 8) & 0xff;
+ dev->enetaddr[5] = (maca >> 0) & 0xff;
+
+ return 0;
+}
+
int32_t cpmac_drv_send(u32 *buffer, int num_bytes, int slave_port_num)
{
if (num_bytes < EMAC_MIN_ETHERNET_PKT_SIZE)
sys_has_mdio =
(eth_priv->sgmii_link_type == SGMII_LINK_MAC_PHY) ? 1 : 0;
- keystone2_net_serdes_setup();
+ if (sys_has_mdio)
+ keystone2_mdio_reset(mdio_bus);
- keystone_sgmii_config(eth_priv->slave_port - 1,
+#ifdef CONFIG_SOC_K2G
+ keystone_rgmii_config(phy_dev);
+#else
+ keystone_sgmii_config(phy_dev, eth_priv->slave_port - 1,
eth_priv->sgmii_link_type);
+#endif
udelay(10000);
if (hd == NULL)
return 0;
- NetReceive((uchar *)pkt, pkt_size);
+ net_process_received_packet((uchar *)pkt, pkt_size);
ksnav_release_rxhd(&netcp_pktdma, hd);
return pkt_size;
}
+#ifdef CONFIG_MCAST_TFTP
+static int keystone2_eth_bcast_addr(struct eth_device *dev, u32 ip, u8 set)
+{
+ return 0;
+}
+#endif
+
/*
* This function initializes the EMAC hardware.
*/
int res;
struct eth_device *dev;
struct phy_device *phy_dev;
+ struct mdio_regs *adap_mdio = (struct mdio_regs *)EMAC_MDIO_BASE_ADDR;
dev = malloc(sizeof(struct eth_device));
if (dev == NULL)
dev->halt = keystone2_eth_close;
dev->send = keystone2_eth_send_packet;
dev->recv = keystone2_eth_rcv_packet;
+#ifdef CONFIG_MCAST_TFTP
+ dev->mcast = keystone2_eth_bcast_addr;
+#endif
eth_register(dev);
mdio_bus->write = keystone2_mdio_write;
mdio_bus->reset = keystone2_mdio_reset;
mdio_bus->priv = (void *)EMAC_MDIO_BASE_ADDR;
- sprintf(mdio_bus->name, "ethernet-mdio");
+ strcpy(mdio_bus->name, "ethernet-mdio");
res = mdio_register(mdio_bus);
if (res)
return res;
}
+#ifndef CONFIG_SOC_K2G
+ keystone2_net_serdes_setup();
+#endif
+
/* Create phy device and bind it with driver */
#ifdef CONFIG_KSNET_MDIO_PHY_CONFIG_ENABLE
phy_dev = phy_connect(mdio_bus, eth_priv->phy_addr,
- dev, PHY_INTERFACE_MODE_SGMII);
+ dev, eth_priv->phy_if);
phy_config(phy_dev);
#else
phy_dev = phy_find_by_mask(mdio_bus, 1 << eth_priv->phy_addr,
- PHY_INTERFACE_MODE_SGMII);
+ eth_priv->phy_if);
phy_dev->dev = dev;
#endif
eth_priv->phy_dev = phy_dev;
return 0;
}
-struct ks2_serdes ks2_serdes_sgmii_156p25mhz = {
- .clk = SERDES_CLOCK_156P25M,
- .rate = SERDES_RATE_5G,
- .rate_mode = SERDES_QUARTER_RATE,
- .intf = SERDES_PHY_SGMII,
- .loopback = 0,
+#else
+
+static int ks2_eth_start(struct udevice *dev)
+{
+ struct ks2_eth_priv *priv = dev_get_priv(dev);
+
+#ifdef CONFIG_SOC_K2G
+ keystone_rgmii_config(priv->phydev);
+#else
+ keystone_sgmii_config(priv->phydev, priv->slave_port - 1,
+ priv->sgmii_link_type);
+#endif
+
+ udelay(10000);
+
+ /* On chip switch configuration */
+ ethss_config(target_get_switch_ctl(), SWITCH_MAX_PKT_SIZE);
+
+ qm_init();
+
+ if (ksnav_init(priv->netcp_pktdma, &priv->net_rx_buffs)) {
+ pr_err("ksnav_init failed\n");
+ goto err_knav_init;
+ }
+
+ /*
+ * Streaming switch configuration. If not present this
+ * statement is defined to void in target.h.
+ * If present this is usually defined to a series of register writes
+ */
+ hw_config_streaming_switch();
+
+ if (priv->has_mdio) {
+ keystone2_mdio_reset(priv->mdio_bus);
+
+ phy_startup(priv->phydev);
+ if (priv->phydev->link == 0) {
+ pr_err("phy startup failed\n");
+ goto err_phy_start;
+ }
+ }
+
+ emac_gigabit_enable(dev);
+
+ ethss_start();
+
+ priv->emac_open = true;
+
+ return 0;
+
+err_phy_start:
+ ksnav_close(priv->netcp_pktdma);
+err_knav_init:
+ qm_close();
+
+ return -EFAULT;
+}
+
+static int ks2_eth_send(struct udevice *dev, void *packet, int length)
+{
+ struct ks2_eth_priv *priv = dev_get_priv(dev);
+
+ genphy_update_link(priv->phydev);
+ if (priv->phydev->link == 0)
+ return -1;
+
+ if (length < EMAC_MIN_ETHERNET_PKT_SIZE)
+ length = EMAC_MIN_ETHERNET_PKT_SIZE;
+
+ return ksnav_send(priv->netcp_pktdma, (u32 *)packet,
+ length, (priv->slave_port) << 16);
+}
+
+static int ks2_eth_recv(struct udevice *dev, int flags, uchar **packetp)
+{
+ struct ks2_eth_priv *priv = dev_get_priv(dev);
+ int pkt_size;
+ u32 *pkt = NULL;
+
+ priv->hd = ksnav_recv(priv->netcp_pktdma, &pkt, &pkt_size);
+ if (priv->hd == NULL)
+ return -EAGAIN;
+
+ *packetp = (uchar *)pkt;
+
+ return pkt_size;
+}
+
+static int ks2_eth_free_pkt(struct udevice *dev, uchar *packet,
+ int length)
+{
+ struct ks2_eth_priv *priv = dev_get_priv(dev);
+
+ ksnav_release_rxhd(priv->netcp_pktdma, priv->hd);
+
+ return 0;
+}
+
+static void ks2_eth_stop(struct udevice *dev)
+{
+ struct ks2_eth_priv *priv = dev_get_priv(dev);
+
+ if (!priv->emac_open)
+ return;
+ ethss_stop();
+
+ ksnav_close(priv->netcp_pktdma);
+ qm_close();
+ phy_shutdown(priv->phydev);
+ priv->emac_open = false;
+}
+
+int ks2_eth_read_rom_hwaddr(struct udevice *dev)
+{
+ struct ks2_eth_priv *priv = dev_get_priv(dev);
+ struct eth_pdata *pdata = dev_get_platdata(dev);
+ u32 maca = 0;
+ u32 macb = 0;
+
+ /* Read the e-fuse mac address */
+ if (priv->slave_port == 1) {
+ maca = __raw_readl(MAC_ID_BASE_ADDR);
+ macb = __raw_readl(MAC_ID_BASE_ADDR + 4);
+ }
+
+ pdata->enetaddr[0] = (macb >> 8) & 0xff;
+ pdata->enetaddr[1] = (macb >> 0) & 0xff;
+ pdata->enetaddr[2] = (maca >> 24) & 0xff;
+ pdata->enetaddr[3] = (maca >> 16) & 0xff;
+ pdata->enetaddr[4] = (maca >> 8) & 0xff;
+ pdata->enetaddr[5] = (maca >> 0) & 0xff;
+
+ return 0;
+}
+
+int ks2_eth_write_hwaddr(struct udevice *dev)
+{
+ struct ks2_eth_priv *priv = dev_get_priv(dev);
+ struct eth_pdata *pdata = dev_get_platdata(dev);
+
+ writel(mac_hi(pdata->enetaddr),
+ DEVICE_EMACSW_BASE(pdata->iobase, priv->slave_port - 1) +
+ CPGMACSL_REG_SA_HI);
+ writel(mac_lo(pdata->enetaddr),
+ DEVICE_EMACSW_BASE(pdata->iobase, priv->slave_port - 1) +
+ CPGMACSL_REG_SA_LO);
+
+ return 0;
+}
+
+static int ks2_eth_probe(struct udevice *dev)
+{
+ struct ks2_eth_priv *priv = dev_get_priv(dev);
+ struct mii_dev *mdio_bus;
+ int ret;
+
+ priv->dev = dev;
+
+ /* These clock enables has to be moved to common location */
+ if (cpu_is_k2g())
+ writel(KS2_ETHERNET_RGMII, KS2_ETHERNET_CFG);
+
+ /* By default, select PA PLL clock as PA clock source */
+#ifndef CONFIG_SOC_K2G
+ if (psc_enable_module(KS2_LPSC_PA))
+ return -EACCES;
+#endif
+ if (psc_enable_module(KS2_LPSC_CPGMAC))
+ return -EACCES;
+ if (psc_enable_module(KS2_LPSC_CRYPTO))
+ return -EACCES;
+
+ if (cpu_is_k2e() || cpu_is_k2l())
+ pll_pa_clk_sel();
+
+
+ priv->net_rx_buffs.buff_ptr = rx_buffs;
+ priv->net_rx_buffs.num_buffs = RX_BUFF_NUMS;
+ priv->net_rx_buffs.buff_len = RX_BUFF_LEN;
+
+ if (priv->slave_port == 1) {
+ /*
+ * Register MDIO bus for slave 0 only, other slave have
+ * to re-use the same
+ */
+ mdio_bus = mdio_alloc();
+ if (!mdio_bus) {
+ pr_err("MDIO alloc failed\n");
+ return -ENOMEM;
+ }
+ priv->mdio_bus = mdio_bus;
+ mdio_bus->read = keystone2_mdio_read;
+ mdio_bus->write = keystone2_mdio_write;
+ mdio_bus->reset = keystone2_mdio_reset;
+ mdio_bus->priv = priv->mdio_base;
+ sprintf(mdio_bus->name, "ethernet-mdio");
+
+ ret = mdio_register(mdio_bus);
+ if (ret) {
+ pr_err("MDIO bus register failed\n");
+ return ret;
+ }
+ } else {
+ /* Get the MDIO bus from slave 0 device */
+ struct ks2_eth_priv *parent_priv;
+
+ parent_priv = dev_get_priv(dev->parent);
+ priv->mdio_bus = parent_priv->mdio_bus;
+ }
+
+#ifndef CONFIG_SOC_K2G
+ keystone2_net_serdes_setup();
+#endif
+
+ priv->netcp_pktdma = &netcp_pktdma;
+
+ if (priv->has_mdio) {
+ priv->phydev = phy_connect(priv->mdio_bus, priv->phy_addr,
+ dev, priv->phy_if);
+ phy_config(priv->phydev);
+ }
+
+ return 0;
+}
+
+int ks2_eth_remove(struct udevice *dev)
+{
+ struct ks2_eth_priv *priv = dev_get_priv(dev);
+
+ free(priv->phydev);
+ mdio_unregister(priv->mdio_bus);
+ mdio_free(priv->mdio_bus);
+
+ return 0;
+}
+
+static const struct eth_ops ks2_eth_ops = {
+ .start = ks2_eth_start,
+ .send = ks2_eth_send,
+ .recv = ks2_eth_recv,
+ .free_pkt = ks2_eth_free_pkt,
+ .stop = ks2_eth_stop,
+ .read_rom_hwaddr = ks2_eth_read_rom_hwaddr,
+ .write_hwaddr = ks2_eth_write_hwaddr,
};
-static void keystone2_net_serdes_setup(void)
+static int ks2_eth_bind_slaves(struct udevice *dev, int gbe, int *gbe_0)
{
- ks2_serdes_init(CONFIG_KSNET_SERDES_SGMII_BASE,
- &ks2_serdes_sgmii_156p25mhz,
- CONFIG_KSNET_SERDES_LANES_PER_SGMII);
+ const void *fdt = gd->fdt_blob;
+ struct udevice *sl_dev;
+ int interfaces;
+ int sec_slave;
+ int slave;
+ int ret;
+ char *slave_name;
+
+ interfaces = fdt_subnode_offset(fdt, gbe, "interfaces");
+ fdt_for_each_subnode(slave, fdt, interfaces) {
+ int slave_no;
+
+ slave_no = fdtdec_get_int(fdt, slave, "slave-port", -ENOENT);
+ if (slave_no == -ENOENT)
+ continue;
+
+ if (slave_no == 0) {
+ /* This is the current eth device */
+ *gbe_0 = slave;
+ } else {
+ /* Slave devices to be registered */
+ slave_name = malloc(20);
+ snprintf(slave_name, 20, "netcp@slave-%d", slave_no);
+ ret = device_bind_driver_to_node(dev, "eth_ks2_sl",
+ slave_name, offset_to_ofnode(slave),
+ &sl_dev);
+ if (ret) {
+ pr_err("ks2_net - not able to bind slave interfaces\n");
+ return ret;
+ }
+ }
+ }
- /* wait till setup */
- udelay(5000);
+ sec_slave = fdt_subnode_offset(fdt, gbe, "secondary-slave-ports");
+ fdt_for_each_subnode(slave, fdt, sec_slave) {
+ int slave_no;
+
+ slave_no = fdtdec_get_int(fdt, slave, "slave-port", -ENOENT);
+ if (slave_no == -ENOENT)
+ continue;
+
+ /* Slave devices to be registered */
+ slave_name = malloc(20);
+ snprintf(slave_name, 20, "netcp@slave-%d", slave_no);
+ ret = device_bind_driver_to_node(dev, "eth_ks2_sl", slave_name,
+ offset_to_ofnode(slave), &sl_dev);
+ if (ret) {
+ pr_err("ks2_net - not able to bind slave interfaces\n");
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+static int ks2_eth_parse_slave_interface(int netcp, int slave,
+ struct ks2_eth_priv *priv,
+ struct eth_pdata *pdata)
+{
+ const void *fdt = gd->fdt_blob;
+ int mdio;
+ int phy;
+ int dma_count;
+ u32 dma_channel[8];
+
+ priv->slave_port = fdtdec_get_int(fdt, slave, "slave-port", -1);
+ priv->net_rx_buffs.rx_flow = priv->slave_port * 8;
+
+ /* U-Boot slave port number starts with 1 instead of 0 */
+ priv->slave_port += 1;
+
+ dma_count = fdtdec_get_int_array_count(fdt, netcp,
+ "ti,navigator-dmas",
+ dma_channel, 8);
+
+ if (dma_count > (2 * priv->slave_port)) {
+ int dma_idx;
+
+ dma_idx = priv->slave_port * 2 - 1;
+ priv->net_rx_buffs.rx_flow = dma_channel[dma_idx];
+ }
+
+ priv->link_type = fdtdec_get_int(fdt, slave, "link-interface", -1);
+
+ phy = fdtdec_lookup_phandle(fdt, slave, "phy-handle");
+ if (phy >= 0) {
+ priv->phy_addr = fdtdec_get_int(fdt, phy, "reg", -1);
+
+ mdio = fdt_parent_offset(fdt, phy);
+ if (mdio < 0) {
+ pr_err("mdio dt not found\n");
+ return -ENODEV;
+ }
+ priv->mdio_base = (void *)fdtdec_get_addr(fdt, mdio, "reg");
+ }
+
+ if (priv->link_type == LINK_TYPE_SGMII_MAC_TO_PHY_MODE) {
+ priv->phy_if = PHY_INTERFACE_MODE_SGMII;
+ pdata->phy_interface = priv->phy_if;
+ priv->sgmii_link_type = SGMII_LINK_MAC_PHY;
+ priv->has_mdio = true;
+ } else if (priv->link_type == LINK_TYPE_RGMII_LINK_MAC_PHY) {
+ priv->phy_if = PHY_INTERFACE_MODE_RGMII;
+ pdata->phy_interface = priv->phy_if;
+ priv->has_mdio = true;
+ }
+
+ return 0;
}
+
+static int ks2_sl_eth_ofdata_to_platdata(struct udevice *dev)
+{
+ struct ks2_eth_priv *priv = dev_get_priv(dev);
+ struct eth_pdata *pdata = dev_get_platdata(dev);
+ const void *fdt = gd->fdt_blob;
+ int slave = dev_of_offset(dev);
+ int interfaces;
+ int gbe;
+ int netcp_devices;
+ int netcp;
+
+ interfaces = fdt_parent_offset(fdt, slave);
+ gbe = fdt_parent_offset(fdt, interfaces);
+ netcp_devices = fdt_parent_offset(fdt, gbe);
+ netcp = fdt_parent_offset(fdt, netcp_devices);
+
+ ks2_eth_parse_slave_interface(netcp, slave, priv, pdata);
+
+ pdata->iobase = fdtdec_get_addr(fdt, netcp, "reg");
+
+ return 0;
+}
+
+static int ks2_eth_ofdata_to_platdata(struct udevice *dev)
+{
+ struct ks2_eth_priv *priv = dev_get_priv(dev);
+ struct eth_pdata *pdata = dev_get_platdata(dev);
+ const void *fdt = gd->fdt_blob;
+ int gbe_0 = -ENODEV;
+ int netcp_devices;
+ int gbe;
+
+ netcp_devices = fdt_subnode_offset(fdt, dev_of_offset(dev),
+ "netcp-devices");
+ gbe = fdt_subnode_offset(fdt, netcp_devices, "gbe");
+
+ ks2_eth_bind_slaves(dev, gbe, &gbe_0);
+
+ ks2_eth_parse_slave_interface(dev_of_offset(dev), gbe_0, priv, pdata);
+
+ pdata->iobase = devfdt_get_addr(dev);
+
+ return 0;
+}
+
+static const struct udevice_id ks2_eth_ids[] = {
+ { .compatible = "ti,netcp-1.0" },
+ { }
+};
+
+U_BOOT_DRIVER(eth_ks2_slave) = {
+ .name = "eth_ks2_sl",
+ .id = UCLASS_ETH,
+ .ofdata_to_platdata = ks2_sl_eth_ofdata_to_platdata,
+ .probe = ks2_eth_probe,
+ .remove = ks2_eth_remove,
+ .ops = &ks2_eth_ops,
+ .priv_auto_alloc_size = sizeof(struct ks2_eth_priv),
+ .platdata_auto_alloc_size = sizeof(struct eth_pdata),
+ .flags = DM_FLAG_ALLOC_PRIV_DMA,
+};
+
+U_BOOT_DRIVER(eth_ks2) = {
+ .name = "eth_ks2",
+ .id = UCLASS_ETH,
+ .of_match = ks2_eth_ids,
+ .ofdata_to_platdata = ks2_eth_ofdata_to_platdata,
+ .probe = ks2_eth_probe,
+ .remove = ks2_eth_remove,
+ .ops = &ks2_eth_ops,
+ .priv_auto_alloc_size = sizeof(struct ks2_eth_priv),
+ .platdata_auto_alloc_size = sizeof(struct eth_pdata),
+ .flags = DM_FLAG_ALLOC_PRIV_DMA,
+};
+#endif
projects / u-boot / blobdiff