blob: 38ddba12b66496c8bb625d850d65e4acd0ffa7f3 [file] [log] [blame]
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
* Copyright (c) 2019 Microsemi Corporation
*/
#include <common.h>
#include <config.h>
#include <dm.h>
#include <log.h>
#include <malloc.h>
#include <dm/of_access.h>
#include <dm/of_addr.h>
#include <fdt_support.h>
#include <linux/bitops.h>
#include <linux/io.h>
#include <linux/ioport.h>
#include <miiphy.h>
#include <net.h>
#include <wait_bit.h>
#include "mscc_xfer.h"
#include "mscc_mac_table.h"
#include "mscc_miim.h"
#define ANA_PORT_VLAN_CFG(x) (0xc000 + 0x100 * (x))
#define ANA_PORT_VLAN_CFG_AWARE_ENA BIT(20)
#define ANA_PORT_VLAN_CFG_POP_CNT(x) ((x) << 18)
#define ANA_PORT_PORT_CFG(x) (0xc070 + 0x100 * (x))
#define ANA_PORT_PORT_CFG_RECV_ENA BIT(6)
#define ANA_PGID(x) (0x9c00 + 4 * (x))
#define HSIO_ANA_SERDES1G_DES_CFG 0x3c
#define HSIO_ANA_SERDES1G_DES_CFG_BW_HYST(x) ((x) << 1)
#define HSIO_ANA_SERDES1G_DES_CFG_BW_ANA(x) ((x) << 5)
#define HSIO_ANA_SERDES1G_DES_CFG_MBTR_CTRL(x) ((x) << 8)
#define HSIO_ANA_SERDES1G_DES_CFG_PHS_CTRL(x) ((x) << 13)
#define HSIO_ANA_SERDES1G_IB_CFG 0x40
#define HSIO_ANA_SERDES1G_IB_CFG_RESISTOR_CTRL(x) (x)
#define HSIO_ANA_SERDES1G_IB_CFG_EQ_GAIN(x) ((x) << 6)
#define HSIO_ANA_SERDES1G_IB_CFG_ENA_OFFSET_COMP BIT(9)
#define HSIO_ANA_SERDES1G_IB_CFG_ENA_DETLEV BIT(11)
#define HSIO_ANA_SERDES1G_IB_CFG_ENA_CMV_TERM BIT(13)
#define HSIO_ANA_SERDES1G_IB_CFG_DET_LEV(x) ((x) << 19)
#define HSIO_ANA_SERDES1G_IB_CFG_ACJTAG_HYST(x) ((x) << 24)
#define HSIO_ANA_SERDES1G_OB_CFG 0x44
#define HSIO_ANA_SERDES1G_OB_CFG_RESISTOR_CTRL(x) (x)
#define HSIO_ANA_SERDES1G_OB_CFG_VCM_CTRL(x) ((x) << 4)
#define HSIO_ANA_SERDES1G_OB_CFG_CMM_BIAS_CTRL(x) ((x) << 10)
#define HSIO_ANA_SERDES1G_OB_CFG_AMP_CTRL(x) ((x) << 13)
#define HSIO_ANA_SERDES1G_OB_CFG_SLP(x) ((x) << 17)
#define HSIO_ANA_SERDES1G_SER_CFG 0x48
#define HSIO_ANA_SERDES1G_COMMON_CFG 0x4c
#define HSIO_ANA_SERDES1G_COMMON_CFG_IF_MODE BIT(0)
#define HSIO_ANA_SERDES1G_COMMON_CFG_ENA_LANE BIT(18)
#define HSIO_ANA_SERDES1G_COMMON_CFG_SYS_RST BIT(31)
#define HSIO_ANA_SERDES1G_PLL_CFG 0x50
#define HSIO_ANA_SERDES1G_PLL_CFG_FSM_ENA BIT(7)
#define HSIO_ANA_SERDES1G_PLL_CFG_FSM_CTRL_DATA(x) ((x) << 8)
#define HSIO_ANA_SERDES1G_PLL_CFG_ENA_RC_DIV2 BIT(21)
#define HSIO_DIG_SERDES1G_DFT_CFG0 0x58
#define HSIO_DIG_SERDES1G_MISC_CFG 0x6c
#define HSIO_DIG_SERDES1G_MISC_CFG_LANE_RST BIT(0)
#define HSIO_MCB_SERDES1G_CFG 0x74
#define HSIO_MCB_SERDES1G_CFG_WR_ONE_SHOT BIT(31)
#define HSIO_MCB_SERDES1G_CFG_ADDR(x) (x)
#define SYS_FRM_AGING 0x584
#define SYS_FRM_AGING_ENA BIT(20)
#define SYS_SYSTEM_RST_CFG 0x518
#define SYS_SYSTEM_RST_MEM_INIT BIT(5)
#define SYS_SYSTEM_RST_MEM_ENA BIT(6)
#define SYS_SYSTEM_RST_CORE_ENA BIT(7)
#define SYS_PORT_MODE(x) (0x524 + 0x4 * (x))
#define SYS_PORT_MODE_INCL_INJ_HDR(x) ((x) << 4)
#define SYS_PORT_MODE_INCL_XTR_HDR(x) ((x) << 2)
#define SYS_PAUSE_CFG(x) (0x65c + 0x4 * (x))
#define SYS_PAUSE_CFG_PAUSE_ENA BIT(0)
#define QSYS_SWITCH_PORT_MODE(x) (0x15a34 + 0x4 * (x))
#define QSYS_SWITCH_PORT_MODE_PORT_ENA BIT(13)
#define QSYS_EGR_NO_SHARING 0x15a9c
#define QSYS_QMAP 0x15adc
/* Port registers */
#define DEV_CLOCK_CFG 0x0
#define DEV_CLOCK_CFG_LINK_SPEED_1000 1
#define DEV_MAC_ENA_CFG 0x10
#define DEV_MAC_ENA_CFG_RX_ENA BIT(4)
#define DEV_MAC_ENA_CFG_TX_ENA BIT(0)
#define DEV_MAC_IFG_CFG 0x24
#define DEV_MAC_IFG_CFG_TX_IFG(x) ((x) << 8)
#define DEV_MAC_IFG_CFG_RX_IFG2(x) ((x) << 4)
#define DEV_MAC_IFG_CFG_RX_IFG1(x) (x)
#define PCS1G_CFG 0x3c
#define PCS1G_MODE_CFG_SGMII_MODE_ENA BIT(0)
#define PCS1G_MODE_CFG 0x40
#define PCS1G_SD_CFG 0x44
#define PCS1G_ANEG_CFG 0x48
#define PCS1G_ANEG_CFG_ADV_ABILITY(x) ((x) << 16)
#define QS_XTR_GRP_CFG(x) (4 * (x))
#define QS_XTR_GRP_CFG_MODE(x) ((x) << 2)
#define QS_XTR_GRP_CFG_BYTE_SWAP BIT(0)
#define QS_INJ_GRP_CFG(x) (0x24 + (x) * 4)
#define QS_INJ_GRP_CFG_MODE(x) ((x) << 2)
#define QS_INJ_GRP_CFG_BYTE_SWAP BIT(0)
#define IFH_INJ_BYPASS BIT(31)
#define IFH_TAG_TYPE_C 0
#define MAC_VID 1
#define CPU_PORT 11
#define INTERNAL_PORT_MSK 0xFF
#define IFH_LEN 4
#define ETH_ALEN 6
#define PGID_BROADCAST 13
#define PGID_UNICAST 14
static const char *const regs_names[] = {
"port0", "port1", "port2", "port3", "port4", "port5", "port6",
"port7", "port8", "port9", "port10",
"ana", "qs", "qsys", "rew", "sys", "hsio",
};
#define REGS_NAMES_COUNT ARRAY_SIZE(regs_names) + 1
#define MAX_PORT 11
enum serval_ctrl_regs {
ANA = MAX_PORT,
QS,
QSYS,
REW,
SYS,
HSIO,
};
#define SERVAL_MIIM_BUS_COUNT 2
struct serval_phy_port_t {
size_t phy_addr;
struct mii_dev *bus;
u8 serdes_index;
u8 phy_mode;
};
struct serval_private {
void __iomem *regs[REGS_NAMES_COUNT];
struct mii_dev *bus[SERVAL_MIIM_BUS_COUNT];
struct serval_phy_port_t ports[MAX_PORT];
};
static const unsigned long serval_regs_qs[] = {
[MSCC_QS_XTR_RD] = 0x8,
[MSCC_QS_XTR_FLUSH] = 0x18,
[MSCC_QS_XTR_DATA_PRESENT] = 0x1c,
[MSCC_QS_INJ_WR] = 0x2c,
[MSCC_QS_INJ_CTRL] = 0x34,
};
static const unsigned long serval_regs_ana_table[] = {
[MSCC_ANA_TABLES_MACHDATA] = 0x9b34,
[MSCC_ANA_TABLES_MACLDATA] = 0x9b38,
[MSCC_ANA_TABLES_MACACCESS] = 0x9b3c,
};
static struct mscc_miim_dev miim[SERVAL_MIIM_BUS_COUNT];
static int miim_count = -1;
static void serval_cpu_capture_setup(struct serval_private *priv)
{
int i;
/* map the 8 CPU extraction queues to CPU port 11 */
writel(0, priv->regs[QSYS] + QSYS_QMAP);
for (i = 0; i <= 1; i++) {
/*
* Do byte-swap and expect status after last data word
* Extraction: Mode: manual extraction) | Byte_swap
*/
writel(QS_XTR_GRP_CFG_MODE(1) | QS_XTR_GRP_CFG_BYTE_SWAP,
priv->regs[QS] + QS_XTR_GRP_CFG(i));
/*
* Injection: Mode: manual extraction | Byte_swap
*/
writel(QS_INJ_GRP_CFG_MODE(1) | QS_INJ_GRP_CFG_BYTE_SWAP,
priv->regs[QS] + QS_INJ_GRP_CFG(i));
}
for (i = 0; i <= 1; i++)
/* Enable IFH insertion/parsing on CPU ports */
writel(SYS_PORT_MODE_INCL_INJ_HDR(1) |
SYS_PORT_MODE_INCL_XTR_HDR(1),
priv->regs[SYS] + SYS_PORT_MODE(CPU_PORT + i));
/*
* Setup the CPU port as VLAN aware to support switching frames
* based on tags
*/
writel(ANA_PORT_VLAN_CFG_AWARE_ENA | ANA_PORT_VLAN_CFG_POP_CNT(1) |
MAC_VID, priv->regs[ANA] + ANA_PORT_VLAN_CFG(CPU_PORT));
/* Disable learning (only RECV_ENA must be set) */
writel(ANA_PORT_PORT_CFG_RECV_ENA,
priv->regs[ANA] + ANA_PORT_PORT_CFG(CPU_PORT));
/* Enable switching to/from cpu port */
setbits_le32(priv->regs[QSYS] + QSYS_SWITCH_PORT_MODE(CPU_PORT),
QSYS_SWITCH_PORT_MODE_PORT_ENA);
/* No pause on CPU port - not needed (off by default) */
clrbits_le32(priv->regs[SYS] + SYS_PAUSE_CFG(CPU_PORT),
SYS_PAUSE_CFG_PAUSE_ENA);
setbits_le32(priv->regs[QSYS] + QSYS_EGR_NO_SHARING, BIT(CPU_PORT));
}
static void serval_port_init(struct serval_private *priv, int port)
{
void __iomem *regs = priv->regs[port];
/* Enable PCS */
writel(PCS1G_MODE_CFG_SGMII_MODE_ENA, regs + PCS1G_CFG);
/* Disable Signal Detect */
writel(0, regs + PCS1G_SD_CFG);
/* Enable MAC RX and TX */
writel(DEV_MAC_ENA_CFG_RX_ENA | DEV_MAC_ENA_CFG_TX_ENA,
regs + DEV_MAC_ENA_CFG);
/* Clear sgmii_mode_ena */
writel(0, regs + PCS1G_MODE_CFG);
/*
* Clear sw_resolve_ena(bit 0) and set adv_ability to
* something meaningful just in case
*/
writel(PCS1G_ANEG_CFG_ADV_ABILITY(0x20), regs + PCS1G_ANEG_CFG);
/* Set MAC IFG Gaps */
writel(DEV_MAC_IFG_CFG_TX_IFG(5) | DEV_MAC_IFG_CFG_RX_IFG1(5) |
DEV_MAC_IFG_CFG_RX_IFG2(1), regs + DEV_MAC_IFG_CFG);
/* Set link speed and release all resets */
writel(DEV_CLOCK_CFG_LINK_SPEED_1000, regs + DEV_CLOCK_CFG);
/* Make VLAN aware for CPU traffic */
writel(ANA_PORT_VLAN_CFG_AWARE_ENA | ANA_PORT_VLAN_CFG_POP_CNT(1) |
MAC_VID, priv->regs[ANA] + ANA_PORT_VLAN_CFG(port));
/* Enable the port in the core */
setbits_le32(priv->regs[QSYS] + QSYS_SWITCH_PORT_MODE(port),
QSYS_SWITCH_PORT_MODE_PORT_ENA);
}
static void serdes_write(void __iomem *base, u32 addr)
{
u32 data;
writel(HSIO_MCB_SERDES1G_CFG_WR_ONE_SHOT |
HSIO_MCB_SERDES1G_CFG_ADDR(addr),
base + HSIO_MCB_SERDES1G_CFG);
do {
data = readl(base + HSIO_MCB_SERDES1G_CFG);
} while (data & HSIO_MCB_SERDES1G_CFG_WR_ONE_SHOT);
}
static void serdes1g_setup(void __iomem *base, uint32_t addr,
phy_interface_t interface)
{
writel(0x0, base + HSIO_ANA_SERDES1G_SER_CFG);
writel(0x0, base + HSIO_DIG_SERDES1G_DFT_CFG0);
writel(HSIO_ANA_SERDES1G_IB_CFG_RESISTOR_CTRL(11) |
HSIO_ANA_SERDES1G_IB_CFG_EQ_GAIN(0) |
HSIO_ANA_SERDES1G_IB_CFG_ENA_OFFSET_COMP |
HSIO_ANA_SERDES1G_IB_CFG_ENA_CMV_TERM |
HSIO_ANA_SERDES1G_IB_CFG_ACJTAG_HYST(1),
base + HSIO_ANA_SERDES1G_IB_CFG);
writel(HSIO_ANA_SERDES1G_DES_CFG_BW_HYST(7) |
HSIO_ANA_SERDES1G_DES_CFG_BW_ANA(6) |
HSIO_ANA_SERDES1G_DES_CFG_MBTR_CTRL(2) |
HSIO_ANA_SERDES1G_DES_CFG_PHS_CTRL(6),
base + HSIO_ANA_SERDES1G_DES_CFG);
writel(HSIO_ANA_SERDES1G_OB_CFG_RESISTOR_CTRL(1) |
HSIO_ANA_SERDES1G_OB_CFG_VCM_CTRL(4) |
HSIO_ANA_SERDES1G_OB_CFG_CMM_BIAS_CTRL(2) |
HSIO_ANA_SERDES1G_OB_CFG_AMP_CTRL(12) |
HSIO_ANA_SERDES1G_OB_CFG_SLP(3),
base + HSIO_ANA_SERDES1G_OB_CFG);
writel(HSIO_ANA_SERDES1G_COMMON_CFG_IF_MODE |
HSIO_ANA_SERDES1G_COMMON_CFG_ENA_LANE,
base + HSIO_ANA_SERDES1G_COMMON_CFG);
writel(HSIO_ANA_SERDES1G_PLL_CFG_FSM_ENA |
HSIO_ANA_SERDES1G_PLL_CFG_FSM_CTRL_DATA(200) |
HSIO_ANA_SERDES1G_PLL_CFG_ENA_RC_DIV2,
base + HSIO_ANA_SERDES1G_PLL_CFG);
writel(HSIO_DIG_SERDES1G_MISC_CFG_LANE_RST,
base + HSIO_DIG_SERDES1G_MISC_CFG);
serdes_write(base, addr);
writel(HSIO_ANA_SERDES1G_COMMON_CFG_IF_MODE |
HSIO_ANA_SERDES1G_COMMON_CFG_ENA_LANE |
HSIO_ANA_SERDES1G_COMMON_CFG_SYS_RST,
base + HSIO_ANA_SERDES1G_COMMON_CFG);
serdes_write(base, addr);
writel(0x0, base + HSIO_DIG_SERDES1G_MISC_CFG);
serdes_write(base, addr);
}
static void serdes_setup(struct serval_private *priv)
{
size_t mask;
int i = 0;
for (i = 0; i < MAX_PORT; ++i) {
if (!priv->ports[i].bus)
continue;
mask = BIT(priv->ports[i].serdes_index);
serdes1g_setup(priv->regs[HSIO], mask,
priv->ports[i].phy_mode);
}
}
static int serval_switch_init(struct serval_private *priv)
{
/* Reset switch & memories */
writel(SYS_SYSTEM_RST_MEM_ENA | SYS_SYSTEM_RST_MEM_INIT,
priv->regs[SYS] + SYS_SYSTEM_RST_CFG);
if (wait_for_bit_le32(priv->regs[SYS] + SYS_SYSTEM_RST_CFG,
SYS_SYSTEM_RST_MEM_INIT, false, 2000, false)) {
pr_err("Timeout in memory reset\n");
return -EIO;
}
/* Enable switch core */
setbits_le32(priv->regs[SYS] + SYS_SYSTEM_RST_CFG,
SYS_SYSTEM_RST_CORE_ENA);
serdes_setup(priv);
return 0;
}
static int serval_initialize(struct serval_private *priv)
{
int ret, i;
/* Initialize switch memories, enable core */
ret = serval_switch_init(priv);
if (ret)
return ret;
/* Flush queues */
mscc_flush(priv->regs[QS], serval_regs_qs);
/* Setup frame ageing - "2 sec" - The unit is 6.5us on serval */
writel(SYS_FRM_AGING_ENA | (20000000 / 65),
priv->regs[SYS] + SYS_FRM_AGING);
for (i = 0; i < MAX_PORT; i++)
serval_port_init(priv, i);
serval_cpu_capture_setup(priv);
debug("Ports enabled\n");
return 0;
}
static int serval_write_hwaddr(struct udevice *dev)
{
struct serval_private *priv = dev_get_priv(dev);
struct eth_pdata *pdata = dev_get_plat(dev);
mscc_mac_table_add(priv->regs[ANA], serval_regs_ana_table,
pdata->enetaddr, PGID_UNICAST);
writel(BIT(CPU_PORT), priv->regs[ANA] + ANA_PGID(PGID_UNICAST));
return 0;
}
static int serval_start(struct udevice *dev)
{
struct serval_private *priv = dev_get_priv(dev);
struct eth_pdata *pdata = dev_get_plat(dev);
const unsigned char mac[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff,
0xff };
int ret;
ret = serval_initialize(priv);
if (ret)
return ret;
/* Set MAC address tables entries for CPU redirection */
mscc_mac_table_add(priv->regs[ANA], serval_regs_ana_table, mac,
PGID_BROADCAST);
writel(BIT(CPU_PORT) | INTERNAL_PORT_MSK,
priv->regs[ANA] + ANA_PGID(PGID_BROADCAST));
/* It should be setup latter in serval_write_hwaddr */
mscc_mac_table_add(priv->regs[ANA], serval_regs_ana_table,
pdata->enetaddr, PGID_UNICAST);
writel(BIT(CPU_PORT), priv->regs[ANA] + ANA_PGID(PGID_UNICAST));
return 0;
}
static void serval_stop(struct udevice *dev)
{
writel(ICPU_RESET_CORE_RST_PROTECT, BASE_CFG + ICPU_RESET);
writel(PERF_SOFT_RST_SOFT_CHIP_RST, BASE_DEVCPU_GCB + PERF_SOFT_RST);
}
static int serval_send(struct udevice *dev, void *packet, int length)
{
struct serval_private *priv = dev_get_priv(dev);
u32 ifh[IFH_LEN];
u32 *buf = packet;
/*
* Generate the IFH for frame injection
*
* The IFH is a 128bit-value
* bit 127: bypass the analyzer processing
* bit 57-67: destination mask
* bit 28-29: pop_cnt: 3 disables all rewriting of the frame
* bit 20-27: cpu extraction queue mask
* bit 16: tag type 0: C-tag, 1: S-tag
* bit 0-11: VID
*/
ifh[0] = IFH_INJ_BYPASS;
ifh[1] = (0x07);
ifh[2] = (0x7f) << 25;
ifh[3] = (IFH_TAG_TYPE_C << 16);
return mscc_send(priv->regs[QS], serval_regs_qs,
ifh, IFH_LEN, buf, length);
}
static int serval_recv(struct udevice *dev, int flags, uchar **packetp)
{
struct serval_private *priv = dev_get_priv(dev);
u32 *rxbuf = (u32 *)net_rx_packets[0];
int byte_cnt = 0;
byte_cnt = mscc_recv(priv->regs[QS], serval_regs_qs, rxbuf, IFH_LEN,
false);
*packetp = net_rx_packets[0];
return byte_cnt;
}
static struct mii_dev *get_mdiobus(phys_addr_t base, unsigned long size)
{
int i = 0;
for (i = 0; i < SERVAL_MIIM_BUS_COUNT; ++i)
if (miim[i].miim_base == base && miim[i].miim_size == size)
return miim[i].bus;
return NULL;
}
static void add_port_entry(struct serval_private *priv, size_t index,
size_t phy_addr, struct mii_dev *bus,
u8 serdes_index, u8 phy_mode)
{
priv->ports[index].phy_addr = phy_addr;
priv->ports[index].bus = bus;
priv->ports[index].serdes_index = serdes_index;
priv->ports[index].phy_mode = phy_mode;
}
static int serval_probe(struct udevice *dev)
{
struct serval_private *priv = dev_get_priv(dev);
int i, ret;
struct resource res;
phys_addr_t addr_base;
unsigned long addr_size;
ofnode eth_node, node, mdio_node;
size_t phy_addr;
struct mii_dev *bus;
struct ofnode_phandle_args phandle;
struct phy_device *phy;
if (!priv)
return -EINVAL;
/* Get registers and map them to the private structure */
for (i = 0; i < ARRAY_SIZE(regs_names); i++) {
priv->regs[i] = dev_remap_addr_name(dev, regs_names[i]);
if (!priv->regs[i]) {
debug
("Error can't get regs base addresses for %s\n",
regs_names[i]);
return -ENOMEM;
}
}
/* Initialize miim buses */
memset(&miim, 0x0, sizeof(miim) * SERVAL_MIIM_BUS_COUNT);
/* iterate all the ports and find out on which bus they are */
i = 0;
eth_node = dev_read_first_subnode(dev);
for (node = ofnode_first_subnode(eth_node);
ofnode_valid(node);
node = ofnode_next_subnode(node)) {
if (ofnode_read_resource(node, 0, &res))
return -ENOMEM;
i = res.start;
ret = ofnode_parse_phandle_with_args(node, "phy-handle", NULL,
0, 0, &phandle);
if (ret)
continue;
/* Get phy address on mdio bus */
if (ofnode_read_resource(phandle.node, 0, &res))
return -ENOMEM;
phy_addr = res.start;
/* Get mdio node */
mdio_node = ofnode_get_parent(phandle.node);
if (ofnode_read_resource(mdio_node, 0, &res))
return -ENOMEM;
addr_base = res.start;
addr_size = res.end - res.start;
/* If the bus is new then create a new bus */
if (!get_mdiobus(addr_base, addr_size))
priv->bus[miim_count] =
mscc_mdiobus_init(miim, &miim_count, addr_base,
addr_size);
/* Connect mdio bus with the port */
bus = get_mdiobus(addr_base, addr_size);
/* Get serdes info */
ret = ofnode_parse_phandle_with_args(node, "phys", NULL,
3, 0, &phandle);
if (ret)
return -ENOMEM;
add_port_entry(priv, i, phy_addr, bus, phandle.args[1],
phandle.args[2]);
}
for (i = 0; i < MAX_PORT; i++) {
if (!priv->ports[i].bus)
continue;
phy = phy_connect(priv->ports[i].bus,
priv->ports[i].phy_addr, dev,
PHY_INTERFACE_MODE_NA);
if (phy)
board_phy_config(phy);
}
return 0;
}
static int serval_remove(struct udevice *dev)
{
struct serval_private *priv = dev_get_priv(dev);
int i;
for (i = 0; i < SERVAL_MIIM_BUS_COUNT; i++) {
mdio_unregister(priv->bus[i]);
mdio_free(priv->bus[i]);
}
return 0;
}
static const struct eth_ops serval_ops = {
.start = serval_start,
.stop = serval_stop,
.send = serval_send,
.recv = serval_recv,
.write_hwaddr = serval_write_hwaddr,
};
static const struct udevice_id mscc_serval_ids[] = {
{.compatible = "mscc,vsc7418-switch"},
{ /* Sentinel */ }
};
U_BOOT_DRIVER(serval) = {
.name = "serval-switch",
.id = UCLASS_ETH,
.of_match = mscc_serval_ids,
.probe = serval_probe,
.remove = serval_remove,
.ops = &serval_ops,
.priv_auto = sizeof(struct serval_private),
.plat_auto = sizeof(struct eth_pdata),
};