[v2,09/13] net: synquacer: Add netsec driver

Message ID 161861632704.298230.5887652962378432405.stgit@localhost
State Superseded
Headers show
Series
  • arm64: synquacer: Add SynQuacer/DeveloperBox support
Related show

Commit Message

Masami Hiramatsu April 16, 2021, 11:38 p.m.
From: Jassi Brar <jaswinder.singh@linaro.org>


Add SynQuacer's NETSEC GbE controller driver.
Since this driver will load the firmware from SPI NOR flash,
this depends on CONFIG_SYNQUACER_SPI=y.

Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>

---
 drivers/net/Kconfig      |    8 
 drivers/net/Makefile     |    1 
 drivers/net/sni_netsec.c | 1134 ++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 1143 insertions(+)
 create mode 100644 drivers/net/sni_netsec.c

Comments

Ramon Fried April 23, 2021, 12:16 a.m. | #1
On Sat, Apr 17, 2021 at 2:38 AM Masami Hiramatsu
<masami.hiramatsu@linaro.org> wrote:
>

> From: Jassi Brar <jaswinder.singh@linaro.org>

>

> Add SynQuacer's NETSEC GbE controller driver.

> Since this driver will load the firmware from SPI NOR flash,

> this depends on CONFIG_SYNQUACER_SPI=y.

>

> Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>

> ---

>  drivers/net/Kconfig      |    8

>  drivers/net/Makefile     |    1

>  drivers/net/sni_netsec.c | 1134 ++++++++++++++++++++++++++++++++++++++++++++++

>  3 files changed, 1143 insertions(+)

>  create mode 100644 drivers/net/sni_netsec.c

>

> diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig

> index 0e84c22b50..e7c6814c31 100644

> --- a/drivers/net/Kconfig

> +++ b/drivers/net/Kconfig

> @@ -649,6 +649,14 @@ config SNI_AVE

>           This driver implements support for the Socionext AVE Ethernet

>           controller, as found on the Socionext UniPhier family.

>

> +config SNI_NETSEC

> +       bool "Socionext NETSEC Ethernet support"

> +       depends on DM_ETH && SYNQUACER_SPI

> +       select PHYLIB

> +       help

> +         This driver implements support for the Socionext SynQuacer NETSEC

> +         ethernet controller, as found on the Socionext SynQuacer family.

> +

>  source "drivers/net/mscc_eswitch/Kconfig"

>

>  config ETHER_ON_FEC1

> diff --git a/drivers/net/Makefile b/drivers/net/Makefile

> index a19511aaa7..30e1c9baab 100644

> --- a/drivers/net/Makefile

> +++ b/drivers/net/Makefile

> @@ -86,6 +86,7 @@ obj-$(CONFIG_DWC_ETH_QOS) += dwc_eth_qos.o

>  obj-$(CONFIG_FSL_PFE) += pfe_eth/

>  obj-y += qe/

>  obj-$(CONFIG_SNI_AVE) += sni_ave.o

> +obj-$(CONFIG_SNI_NETSEC) += sni_netsec.o

>  obj-y += ti/

>  obj-$(CONFIG_MEDIATEK_ETH) += mtk_eth.o

>  obj-y += mscc_eswitch/

> diff --git a/drivers/net/sni_netsec.c b/drivers/net/sni_netsec.c

> new file mode 100644

> index 0000000000..a9ebf6af9c

> --- /dev/null

> +++ b/drivers/net/sni_netsec.c

> @@ -0,0 +1,1134 @@

> +// SPDX-License-Identifier: GPL-2.0+

> +/**

> + * netsec.c - Socionext Synquacer Netsec driver

> + * Copyright 2021 Linaro Ltd.

> + */

> +

> +#include <clk.h>

> +#include <cpu_func.h>

> +#include <dm.h>

> +#include <fdt_support.h>

> +#include <log.h>

> +#include <malloc.h>

> +#include <miiphy.h>

> +#include <net.h>

> +#include <regmap.h>

> +#include <reset.h>

> +#include <syscon.h>

> +#include <asm/cache.h>

> +#include <asm/global_data.h>

> +#include <dm/device_compat.h>

> +#include <linux/bitops.h>

> +#include <linux/delay.h>

> +#include <linux/err.h>

> +#include <linux/io.h>

> +#include <linux/iopoll.h>

> +#include <spi.h>

> +#include <spi_flash.h>

> +

> +#define NETSEC_REG_SOFT_RST                    0x104

> +#define NETSEC_REG_COM_INIT                    0x120

> +

> +#define NETSEC_REG_TOP_STATUS                  0x200

> +#define NETSEC_IRQ_RX                          BIT(1)

> +#define NETSEC_IRQ_TX                          BIT(0)

> +

> +#define NETSEC_REG_TOP_INTEN                   0x204

> +#define NETSEC_REG_INTEN_SET                   0x234

> +#define NETSEC_REG_INTEN_CLR                   0x238

> +

> +#define NETSEC_REG_NRM_TX_STATUS               0x400

> +#define NETSEC_REG_NRM_TX_INTEN                        0x404

> +#define NETSEC_REG_NRM_TX_INTEN_SET            0x428

> +#define NETSEC_REG_NRM_TX_INTEN_CLR            0x42c

> +#define NRM_TX_ST_NTOWNR       BIT(17)

> +#define NRM_TX_ST_TR_ERR       BIT(16)

> +#define NRM_TX_ST_TXDONE       BIT(15)

> +#define NRM_TX_ST_TMREXP       BIT(14)

> +

> +#define NETSEC_REG_NRM_RX_STATUS               0x440

> +#define NETSEC_REG_NRM_RX_INTEN                        0x444

> +#define NETSEC_REG_NRM_RX_INTEN_SET            0x468

> +#define NETSEC_REG_NRM_RX_INTEN_CLR            0x46c

> +#define NRM_RX_ST_RC_ERR       BIT(16)

> +#define NRM_RX_ST_PKTCNT       BIT(15)

> +#define NRM_RX_ST_TMREXP       BIT(14)

> +

> +#define NETSEC_REG_PKT_CMD_BUF                 0xd0

> +

> +#define NETSEC_REG_CLK_EN                      0x100

> +

> +#define NETSEC_REG_PKT_CTRL                    0x140

> +

> +#define NETSEC_REG_DMA_TMR_CTRL                        0x20c

> +#define NETSEC_REG_F_TAIKI_MC_VER              0x22c

> +#define NETSEC_REG_F_TAIKI_VER                 0x230

> +#define NETSEC_REG_DMA_HM_CTRL                 0x214

> +#define NETSEC_REG_DMA_MH_CTRL                 0x220

> +#define NETSEC_REG_ADDR_DIS_CORE               0x218

> +#define NETSEC_REG_DMAC_HM_CMD_BUF             0x210

> +#define NETSEC_REG_DMAC_MH_CMD_BUF             0x21c

> +

> +#define NETSEC_REG_NRM_TX_PKTCNT               0x410

> +

> +#define NETSEC_REG_NRM_TX_DONE_PKTCNT          0x414

> +#define NETSEC_REG_NRM_TX_DONE_TXINT_PKTCNT    0x418

> +

> +#define NETSEC_REG_NRM_TX_TMR                  0x41c

> +

> +#define NETSEC_REG_NRM_RX_PKTCNT               0x454

> +#define NETSEC_REG_NRM_RX_RXINT_PKTCNT         0x458

> +#define NETSEC_REG_NRM_TX_TXINT_TMR            0x420

> +#define NETSEC_REG_NRM_RX_RXINT_TMR            0x460

> +

> +#define NETSEC_REG_NRM_RX_TMR                  0x45c

> +

> +#define NETSEC_REG_NRM_TX_DESC_START_UP                0x434

> +#define NETSEC_REG_NRM_TX_DESC_START_LW                0x408

> +#define NETSEC_REG_NRM_RX_DESC_START_UP                0x474

> +#define NETSEC_REG_NRM_RX_DESC_START_LW                0x448

> +

> +#define NETSEC_REG_NRM_TX_CONFIG               0x430

> +#define NETSEC_REG_NRM_RX_CONFIG               0x470

> +

> +#define MAC_REG_STATUS                         0x1024

> +#define MAC_REG_DATA                           0x11c0

> +#define MAC_REG_CMD                            0x11c4

> +#define MAC_REG_FLOW_TH                                0x11cc

> +#define MAC_REG_INTF_SEL                       0x11d4

> +#define MAC_REG_DESC_INIT                      0x11fc

> +#define MAC_REG_DESC_SOFT_RST                  0x1204

> +#define NETSEC_REG_MODE_TRANS_COMP_STATUS      0x500

> +

> +#define GMAC_REG_MCR                           0x0000

> +#define GMAC_REG_MFFR                          0x0004

> +#define GMAC_REG_GAR                           0x0010

> +#define GMAC_REG_GDR                           0x0014

> +#define GMAC_REG_FCR                           0x0018

> +#define GMAC_REG_BMR                           0x1000

> +#define GMAC_REG_RDLAR                         0x100c

> +#define GMAC_REG_TDLAR                         0x1010

> +#define GMAC_REG_OMR                           0x1018

> +

> +#define MHZ(n)         ((n) * 1000 * 1000)

> +

> +#define NETSEC_TX_SHIFT_OWN_FIELD              31

> +#define NETSEC_TX_SHIFT_LD_FIELD               30

> +#define NETSEC_TX_SHIFT_DRID_FIELD             24

> +#define NETSEC_TX_SHIFT_PT_FIELD               21

> +#define NETSEC_TX_SHIFT_TDRID_FIELD            16

> +#define NETSEC_TX_SHIFT_CC_FIELD               15

> +#define NETSEC_TX_SHIFT_FS_FIELD               9

> +#define NETSEC_TX_LAST                         8

> +#define NETSEC_TX_SHIFT_CO                     7

> +#define NETSEC_TX_SHIFT_SO                     6

> +#define NETSEC_TX_SHIFT_TRS_FIELD              4

> +

> +#define NETSEC_RX_PKT_OWN_FIELD                        31

> +#define NETSEC_RX_PKT_LD_FIELD                 30

> +#define NETSEC_RX_PKT_SDRID_FIELD              24

> +#define NETSEC_RX_PKT_FR_FIELD                 23

> +#define NETSEC_RX_PKT_ER_FIELD                 21

> +#define NETSEC_RX_PKT_ERR_FIELD                        16

> +#define NETSEC_RX_PKT_TDRID_FIELD              12

> +#define NETSEC_RX_PKT_FS_FIELD                 9

> +#define NETSEC_RX_PKT_LS_FIELD                 8

> +#define NETSEC_RX_PKT_CO_FIELD                 6

> +

> +#define NETSEC_RX_PKT_ERR_MASK                 3

> +

> +#define NETSEC_MAX_TX_PKT_LEN                  1518

> +#define NETSEC_MAX_TX_JUMBO_PKT_LEN            9018

> +

> +#define NETSEC_RING_GMAC                       15

> +#define NETSEC_RING_MAX                                2

> +

> +#define NETSEC_TCP_SEG_LEN_MAX                 1460

> +#define NETSEC_TCP_JUMBO_SEG_LEN_MAX           8960

> +

> +#define NETSEC_RX_CKSUM_NOTAVAIL               0

> +#define NETSEC_RX_CKSUM_OK                     1

> +#define NETSEC_RX_CKSUM_NG                     2

> +

> +#define NETSEC_TOP_IRQ_REG_ME_START                    BIT(20)

> +#define NETSEC_IRQ_TRANSITION_COMPLETE         BIT(4)

> +

> +#define NETSEC_MODE_TRANS_COMP_IRQ_N2T         BIT(20)

> +#define NETSEC_MODE_TRANS_COMP_IRQ_T2N         BIT(19)

> +

> +#define NETSEC_INT_PKTCNT_MAX                  2047

> +

> +#define NETSEC_FLOW_START_TH_MAX               95

> +#define NETSEC_FLOW_STOP_TH_MAX                        95

> +#define NETSEC_FLOW_PAUSE_TIME_MIN             5

> +

> +#define NETSEC_CLK_EN_REG_DOM_ALL              0x3f

> +

> +#define NETSEC_PKT_CTRL_REG_MODE_NRM           BIT(28)

> +#define NETSEC_PKT_CTRL_REG_EN_JUMBO           BIT(27)

> +#define NETSEC_PKT_CTRL_REG_LOG_CHKSUM_ER      BIT(3)

> +#define NETSEC_PKT_CTRL_REG_LOG_HD_INCOMPLETE  BIT(2)

> +#define NETSEC_PKT_CTRL_REG_LOG_HD_ER          BIT(1)

> +#define NETSEC_PKT_CTRL_REG_DRP_NO_MATCH       BIT(0)

> +

> +#define NETSEC_CLK_EN_REG_DOM_G                        BIT(5)

> +#define NETSEC_CLK_EN_REG_DOM_C                        BIT(1)

> +#define NETSEC_CLK_EN_REG_DOM_D                        BIT(0)

> +

> +#define NETSEC_COM_INIT_REG_DB                 BIT(2)

> +#define NETSEC_COM_INIT_REG_CLS                        BIT(1)

> +#define NETSEC_COM_INIT_REG_ALL                        (NETSEC_COM_INIT_REG_CLS | \

> +                                                NETSEC_COM_INIT_REG_DB)

> +

> +#define NETSEC_SOFT_RST_REG_RESET              0

> +#define NETSEC_SOFT_RST_REG_RUN                        BIT(31)

> +

> +#define NETSEC_DMA_CTRL_REG_STOP               1

> +#define MH_CTRL__MODE_TRANS                    BIT(20)

> +

> +#define NETSEC_GMAC_CMD_ST_READ                        0

> +#define NETSEC_GMAC_CMD_ST_WRITE               BIT(28)

> +#define NETSEC_GMAC_CMD_ST_BUSY                        BIT(31)

> +

> +#define NETSEC_GMAC_BMR_REG_COMMON             0x00412080

> +#define NETSEC_GMAC_BMR_REG_RESET              0x00020181

> +#define NETSEC_GMAC_BMR_REG_SWR                        0x00000001

> +

> +#define NETSEC_GMAC_OMR_REG_ST                 BIT(13)

> +#define NETSEC_GMAC_OMR_REG_SR                 BIT(1)

> +

> +#define NETSEC_GMAC_MCR_REG_IBN                        BIT(30)

> +#define NETSEC_GMAC_MCR_REG_CST                        BIT(25)

> +#define NETSEC_GMAC_MCR_REG_JE                 BIT(20)

> +#define NETSEC_MCR_PS                          BIT(15)

> +#define NETSEC_GMAC_MCR_REG_FES                        BIT(14)

> +#define NETSEC_GMAC_MCR_REG_FULL_DUPLEX_COMMON 0x0000280c

> +#define NETSEC_GMAC_MCR_REG_HALF_DUPLEX_COMMON 0x0001a00c

> +

> +#define NETSEC_FCR_RFE                         BIT(2)

> +#define NETSEC_FCR_TFE                         BIT(1)

> +

> +#define NETSEC_GMAC_GAR_REG_GW                 BIT(1)

> +#define NETSEC_GMAC_GAR_REG_GB                 BIT(0)

> +

> +#define NETSEC_GMAC_GAR_REG_SHIFT_PA           11

> +#define NETSEC_GMAC_GAR_REG_SHIFT_GR           6

> +#define GMAC_REG_SHIFT_CR_GAR                  2

> +

> +#define NETSEC_GMAC_GAR_REG_CR_25_35_MHZ       2

> +#define NETSEC_GMAC_GAR_REG_CR_35_60_MHZ       3

> +#define NETSEC_GMAC_GAR_REG_CR_60_100_MHZ      0

> +#define NETSEC_GMAC_GAR_REG_CR_100_150_MHZ     1

> +#define NETSEC_GMAC_GAR_REG_CR_150_250_MHZ     4

> +#define NETSEC_GMAC_GAR_REG_CR_250_300_MHZ     5

> +

> +#define NETSEC_GMAC_RDLAR_REG_COMMON           0x18000

> +#define NETSEC_GMAC_TDLAR_REG_COMMON           0x1c000

> +

> +#define NETSEC_REG_NETSEC_VER_F_TAIKI          0x50000

> +

> +#define NETSEC_REG_DESC_RING_CONFIG_CFG_UP     BIT(31)

> +#define NETSEC_REG_DESC_RING_CONFIG_CH_RST     BIT(30)

> +#define NETSEC_REG_DESC_TMR_MODE               4

> +#define NETSEC_REG_DESC_ENDIAN                 0

> +

> +#define NETSEC_MAC_DESC_SOFT_RST_SOFT_RST      1

> +#define NETSEC_MAC_DESC_INIT_REG_INIT          1

> +

> +#define NETSEC_EEPROM_MAC_ADDRESS              0x00

> +#define NETSEC_EEPROM_HM_ME_ADDRESS_H          0x08

> +#define NETSEC_EEPROM_HM_ME_ADDRESS_L          0x0C

> +#define NETSEC_EEPROM_HM_ME_SIZE               0x10

> +#define NETSEC_EEPROM_MH_ME_ADDRESS_H          0x14

> +#define NETSEC_EEPROM_MH_ME_ADDRESS_L          0x18

> +#define NETSEC_EEPROM_MH_ME_SIZE               0x1C

> +#define NETSEC_EEPROM_PKT_ME_ADDRESS           0x20

> +#define NETSEC_EEPROM_PKT_ME_SIZE              0x24

> +

> +#define DESC_SZ        sizeof(struct netsec_de)

> +

> +#define NETSEC_F_NETSEC_VER_MAJOR_NUM(x)       ((x) & 0xffff0000)

> +

> +#define EERPROM_MAP_OFFSET     0x8000000

> +#define NOR_BLOCK      1024

> +

> +struct netsec_de { /* Netsec Descriptor layout */

> +       u32 attr;

> +       u32 data_buf_addr_up;

> +       u32 data_buf_addr_lw;

> +       u32 buf_len_info;

> +};

> +

> +struct netsec_priv {

> +       struct netsec_de rxde[PKTBUFSRX];

> +       struct netsec_de txde[1];

> +       u16 rxat;

> +

> +       phys_addr_t eeprom_base;

> +       phys_addr_t ioaddr;

> +

> +       struct mii_dev *bus;

> +       struct phy_device *phydev;

> +       u32 phy_addr, freq;

> +       int phy_mode;

> +       int max_speed;

> +};

> +

> +struct netsec_tx_pkt_ctrl {

> +       u16 tcp_seg_len;

> +       bool tcp_seg_offload_flag;

> +       bool cksum_offload_flag;

> +};

> +

> +struct netsec_rx_pkt_info {

> +       int rx_cksum_result;

> +       int err_code;

> +       bool err_flag;

> +};

> +

> +static void netsec_write_reg(struct netsec_priv *priv, u32 reg_addr, u32 val)

> +{

> +       writel(val, priv->ioaddr + reg_addr);

> +}

> +

> +static u32 netsec_read_reg(struct netsec_priv *priv, u32 reg_addr)

> +{

> +       return readl(priv->ioaddr + reg_addr);

> +}

> +

> +/************* MDIO BUS OPS FOLLOW *************/

> +

> +#define TIMEOUT_SPINS_MAC              1000

> +#define TIMEOUT_SECONDARY_MS_MAC       100

> +

> +static u32 netsec_clk_type(u32 freq)

> +{

> +       if (freq < MHZ(35))

> +               return NETSEC_GMAC_GAR_REG_CR_25_35_MHZ;

> +       if (freq < MHZ(60))

> +               return NETSEC_GMAC_GAR_REG_CR_35_60_MHZ;

> +       if (freq < MHZ(100))

> +               return NETSEC_GMAC_GAR_REG_CR_60_100_MHZ;

> +       if (freq < MHZ(150))

> +               return NETSEC_GMAC_GAR_REG_CR_100_150_MHZ;

> +       if (freq < MHZ(250))

> +               return NETSEC_GMAC_GAR_REG_CR_150_250_MHZ;

> +

> +       return NETSEC_GMAC_GAR_REG_CR_250_300_MHZ;

> +}

> +

> +static int netsec_wait_while_busy(struct netsec_priv *priv, u32 addr, u32 mask)

> +{

> +       u32 timeout = TIMEOUT_SPINS_MAC;

> +

> +       while (--timeout && netsec_read_reg(priv, addr) & mask)

> +               cpu_relax();

> +       if (timeout)

> +               return 0;

> +

> +       timeout = TIMEOUT_SECONDARY_MS_MAC;

> +       while (--timeout && netsec_read_reg(priv, addr) & mask)

> +               udelay(2000);

> +

> +       if (timeout)

> +               return 0;

> +

> +       pr_err("%s: timeout\n", __func__);

> +

> +       return -ETIMEDOUT;

> +}

> +

> +static int netsec_set_mac_reg(struct netsec_priv *priv, u32 addr, u32 value)

> +{

> +       netsec_write_reg(priv, MAC_REG_DATA, value);

> +       netsec_write_reg(priv, MAC_REG_CMD, addr | NETSEC_GMAC_CMD_ST_WRITE);

> +       return netsec_wait_while_busy(priv,

> +                                     MAC_REG_CMD, NETSEC_GMAC_CMD_ST_BUSY);

> +}

> +

> +static int netsec_get_mac_reg(struct netsec_priv *priv, u32 addr, u32 *read)

> +{

> +       int ret;

> +

> +       netsec_write_reg(priv, MAC_REG_CMD, addr | NETSEC_GMAC_CMD_ST_READ);

> +       ret = netsec_wait_while_busy(priv,

> +                                    MAC_REG_CMD, NETSEC_GMAC_CMD_ST_BUSY);

> +       if (ret)

> +               return ret;

> +

> +       *read = netsec_read_reg(priv, MAC_REG_DATA);

> +

> +       return 0;

> +}

> +

> +static int netsec_mac_wait_while_busy(struct netsec_priv *priv,

> +                                     u32 addr, u32 mask)

> +{

> +       u32 timeout = TIMEOUT_SPINS_MAC;

> +       u32 data;

> +       int ret;

> +

> +       do {

> +               ret = netsec_get_mac_reg(priv, addr, &data);

> +               if (ret)

> +                       break;

> +               udelay(1);

> +       } while (--timeout && (data & mask));

> +

> +       if (timeout)

> +               return 0;

> +

> +       timeout = TIMEOUT_SECONDARY_MS_MAC;

> +       do {

> +               udelay(2000);

> +

> +               ret = netsec_get_mac_reg(priv, addr, &data);

> +               if (ret)

> +                       break;

> +               cpu_relax();

> +       } while (--timeout && (data & mask));

> +

> +       if (timeout && !ret)

> +               return 0;

> +

> +       return -ETIMEDOUT;

> +}

> +

> +static void netsec_cache_invalidate(uintptr_t vaddr, int len)

> +{

> +       invalidate_dcache_range(rounddown(vaddr, ARCH_DMA_MINALIGN),

> +                               roundup(vaddr + len, ARCH_DMA_MINALIGN));

> +}

> +

> +static void netsec_cache_flush(uintptr_t vaddr, int len)

> +{

> +       flush_dcache_range(rounddown(vaddr, ARCH_DMA_MINALIGN),

> +                          roundup(vaddr + len, ARCH_DMA_MINALIGN));

> +}

> +

> +static void netsec_set_rx_de(struct netsec_priv *priv, u16 idx, void *addr)

> +{

> +       struct netsec_de *de = &priv->rxde[idx];

> +       u32 attr = (1 << NETSEC_RX_PKT_OWN_FIELD) |

> +                  (1 << NETSEC_RX_PKT_FS_FIELD) |

> +                  (1 << NETSEC_RX_PKT_LS_FIELD);

> +

> +       if (idx == PKTBUFSRX - 1)

> +               attr |= (1 << NETSEC_RX_PKT_LD_FIELD);

> +

> +       de->data_buf_addr_up = upper_32_bits((dma_addr_t)addr);

> +       de->data_buf_addr_lw = lower_32_bits((dma_addr_t)addr);

> +       de->buf_len_info = PKTSIZE;

> +       de->attr = attr;

> +       dmb();

> +       netsec_cache_flush((uintptr_t)de, sizeof(*de));

> +}

> +

> +static void netsec_set_tx_de(struct netsec_priv *priv, void *addr, int len)

> +{

> +       struct netsec_de *de = &priv->txde[0];

> +       u32 attr;

> +

> +       attr = (1 << NETSEC_TX_SHIFT_OWN_FIELD) |

> +              (1 << NETSEC_TX_SHIFT_PT_FIELD) |

> +              (NETSEC_RING_GMAC << NETSEC_TX_SHIFT_TDRID_FIELD) |

> +              (1 << NETSEC_TX_SHIFT_FS_FIELD) |

> +              (1 << NETSEC_TX_LAST) |

> +              (1 << NETSEC_TX_SHIFT_TRS_FIELD) |

> +                       (1 << NETSEC_TX_SHIFT_LD_FIELD);

> +

> +       de->data_buf_addr_up = upper_32_bits((dma_addr_t)addr);

> +       de->data_buf_addr_lw = lower_32_bits((dma_addr_t)addr);

> +       de->buf_len_info = len;

> +       de->attr = attr;

> +       dmb();

> +       netsec_cache_flush((uintptr_t)de, sizeof(*de));

> +}

> +

> +static int netsec_get_phy_reg(struct netsec_priv *priv,

> +                             int phy_addr, int reg_addr)

> +{

> +       u32 data;

> +       int ret;

> +

> +       if (phy_addr != 7)

> +               return -EINVAL;

> +

> +       if (netsec_set_mac_reg(priv, GMAC_REG_GAR, NETSEC_GMAC_GAR_REG_GB |

> +                              phy_addr << NETSEC_GMAC_GAR_REG_SHIFT_PA |

> +                              reg_addr << NETSEC_GMAC_GAR_REG_SHIFT_GR |

> +                              (netsec_clk_type(priv->freq) <<

> +                               GMAC_REG_SHIFT_CR_GAR)))

> +               return -ETIMEDOUT;

> +

> +       ret = netsec_mac_wait_while_busy(priv, GMAC_REG_GAR,

> +                                        NETSEC_GMAC_GAR_REG_GB);

> +       if (ret)

> +               return ret;

> +

> +       ret = netsec_get_mac_reg(priv, GMAC_REG_GDR, &data);

> +       if (ret)

> +               return ret;

> +

> +       return data;

> +}

> +

> +static int netsec_set_phy_reg(struct netsec_priv *priv,

> +                             int phy_addr, int reg_addr, u16 val)

> +{

> +       int ret;

> +

> +       if (phy_addr != 7)

> +               return -EINVAL;

> +       if (netsec_set_mac_reg(priv, GMAC_REG_GDR, val))

> +               return -ETIMEDOUT;

> +

> +       if (netsec_set_mac_reg(priv, GMAC_REG_GAR,

> +                              phy_addr << NETSEC_GMAC_GAR_REG_SHIFT_PA |

> +                              reg_addr << NETSEC_GMAC_GAR_REG_SHIFT_GR |

> +                              NETSEC_GMAC_GAR_REG_GW | NETSEC_GMAC_GAR_REG_GB |

> +                              (netsec_clk_type(priv->freq) <<

> +                               GMAC_REG_SHIFT_CR_GAR)))

> +               return -ETIMEDOUT;

> +

> +       ret = netsec_mac_wait_while_busy(priv, GMAC_REG_GAR,

> +                                        NETSEC_GMAC_GAR_REG_GB);

> +

> +       /* Developerbox implements RTL8211E PHY and there is

> +        * a compatibility problem with F_GMAC4.

> +        * RTL8211E expects MDC clock must be kept toggling for several

> +        * clock cycle with MDIO high before entering the IDLE state.

> +        * To meet this requirement, netsec driver needs to issue dummy

> +        * read(e.g. read PHYID1(offset 0x2) register) right after write.

> +        */

> +       netsec_get_phy_reg(priv, phy_addr, MII_PHYSID1);

> +

> +       return ret;

> +}

> +

> +static int netsec_mac_update_to_phy_state(struct netsec_priv *priv)

> +{

> +       struct phy_device *phydev = priv->phydev;

> +       u32 value = 0;

> +

> +       value = phydev->duplex ? NETSEC_GMAC_MCR_REG_FULL_DUPLEX_COMMON :

> +                                NETSEC_GMAC_MCR_REG_HALF_DUPLEX_COMMON;

> +

> +       if (phydev->speed != SPEED_1000)

> +               value |= NETSEC_MCR_PS;

> +

> +       if (phydev->interface != PHY_INTERFACE_MODE_GMII &&

> +           phydev->speed == SPEED_100)

> +               value |= NETSEC_GMAC_MCR_REG_FES;

> +

> +       value |= NETSEC_GMAC_MCR_REG_CST | NETSEC_GMAC_MCR_REG_JE;

> +

> +       if (phy_interface_is_rgmii(phydev))

> +               value |= NETSEC_GMAC_MCR_REG_IBN;

> +

> +       if (netsec_set_mac_reg(priv, GMAC_REG_MCR, value))

> +               return -ETIMEDOUT;

> +

> +       return 0;

> +}

> +

> +static int netsec_start_gmac(struct netsec_priv *priv)

> +{

> +       u32 value = 0;

> +       int ret;

> +

> +       if (priv->max_speed != SPEED_1000)

> +               value = (NETSEC_GMAC_MCR_REG_CST |

> +                        NETSEC_GMAC_MCR_REG_HALF_DUPLEX_COMMON);

> +

> +       if (netsec_set_mac_reg(priv, GMAC_REG_MCR, value))

> +               return -ETIMEDOUT;

> +

> +       if (netsec_set_mac_reg(priv, GMAC_REG_BMR,

> +                              NETSEC_GMAC_BMR_REG_RESET))

> +               return -ETIMEDOUT;

> +

> +       /* Wait soft reset */

> +       mdelay(5);

> +

> +       ret = netsec_get_mac_reg(priv, GMAC_REG_BMR, &value);

> +       if (ret)

> +               return ret;

> +

> +       if (value & NETSEC_GMAC_BMR_REG_SWR)

> +               return -EAGAIN;

> +

> +       netsec_write_reg(priv, MAC_REG_DESC_SOFT_RST, 1);

> +       if (netsec_wait_while_busy(priv, MAC_REG_DESC_SOFT_RST, 1))

> +               return -ETIMEDOUT;

> +

> +       netsec_write_reg(priv, MAC_REG_DESC_INIT, 1);

> +       if (netsec_wait_while_busy(priv, MAC_REG_DESC_INIT, 1))

> +               return -ETIMEDOUT;

> +

> +       if (netsec_set_mac_reg(priv, GMAC_REG_BMR,

> +                              NETSEC_GMAC_BMR_REG_COMMON))

> +               return -ETIMEDOUT;

> +

> +       if (netsec_set_mac_reg(priv, GMAC_REG_RDLAR,

> +                              NETSEC_GMAC_RDLAR_REG_COMMON))

> +               return -ETIMEDOUT;

> +

> +       if (netsec_set_mac_reg(priv, GMAC_REG_TDLAR,

> +                              NETSEC_GMAC_TDLAR_REG_COMMON))

> +               return -ETIMEDOUT;

> +

> +       if (netsec_set_mac_reg(priv, GMAC_REG_MFFR, 0x80000001))

> +               return -ETIMEDOUT;

> +

> +       ret = netsec_mac_update_to_phy_state(priv);

> +       if (ret)

> +               return ret;

> +

> +       ret = netsec_get_mac_reg(priv, GMAC_REG_OMR, &value);

> +       if (ret)

> +               return ret;

> +

> +       value |= NETSEC_GMAC_OMR_REG_SR;

> +       value |= NETSEC_GMAC_OMR_REG_ST;

> +

> +       netsec_write_reg(priv, NETSEC_REG_NRM_RX_INTEN_CLR, ~0);

> +       netsec_write_reg(priv, NETSEC_REG_NRM_TX_INTEN_CLR, ~0);

> +

> +       if (netsec_set_mac_reg(priv, GMAC_REG_OMR, value))

> +               return -ETIMEDOUT;

> +

> +       return 0;

> +}

> +

> +static int netsec_stop_gmac(struct netsec_priv *priv)

> +{

> +       u32 value;

> +       int ret;

> +

> +       ret = netsec_get_mac_reg(priv, GMAC_REG_OMR, &value);

> +       if (ret)

> +               return ret;

> +       value &= ~NETSEC_GMAC_OMR_REG_SR;

> +       value &= ~NETSEC_GMAC_OMR_REG_ST;

> +

> +       /* disable all interrupts */

> +       netsec_write_reg(priv, NETSEC_REG_NRM_RX_INTEN_CLR, ~0);

> +       netsec_write_reg(priv, NETSEC_REG_NRM_TX_INTEN_CLR, ~0);

> +

> +       return netsec_set_mac_reg(priv, GMAC_REG_OMR, value);

> +}

> +

> +static void netsec_spi_read(char *buf, loff_t len, loff_t offset)

> +{

> +       struct udevice *new;

> +       struct spi_flash *flash;

> +

> +       spi_flash_probe_bus_cs(CONFIG_SF_DEFAULT_BUS, CONFIG_SF_DEFAULT_CS,

> +                              CONFIG_SF_DEFAULT_SPEED, CONFIG_SF_DEFAULT_MODE, &new);

> +       flash = dev_get_uclass_priv(new);

> +

> +       spi_flash_read(flash, offset, len, buf);

> +}

> +

> +static int netsec_read_rom_hwaddr(struct udevice *dev)

> +{

> +       struct netsec_priv *priv = dev_get_priv(dev);

> +       struct eth_pdata *pdata = dev_get_plat(dev);

> +       char macp[NOR_BLOCK];

> +

> +       netsec_spi_read(macp, sizeof(macp), priv->eeprom_base);

> +

> +       pdata->enetaddr[0] = readb(macp + 3);

> +       pdata->enetaddr[1] = readb(macp + 2);

> +       pdata->enetaddr[2] = readb(macp + 1);

> +       pdata->enetaddr[3] = readb(macp + 0);

> +       pdata->enetaddr[4] = readb(macp + 7);

> +       pdata->enetaddr[5] = readb(macp + 6);

> +       return 0;

> +}

> +

> +static int netsec_send(struct udevice *dev, void *packet, int length)

> +{

> +       struct netsec_priv *priv = dev_get_priv(dev);

> +       u32 val, tout;

> +

> +       val = netsec_read_reg(priv, NETSEC_REG_NRM_TX_STATUS);

> +       netsec_cache_flush((uintptr_t)packet, length);

> +       netsec_set_tx_de(priv, packet, length);

> +       netsec_write_reg(priv, NETSEC_REG_NRM_TX_PKTCNT, 1); /* submit another tx */

> +

> +       val = netsec_read_reg(priv, NETSEC_REG_NRM_TX_PKTCNT);

> +

> +       tout = 10000;

> +       do {

> +               val = netsec_read_reg(priv, NETSEC_REG_NRM_TX_DONE_PKTCNT);

> +               udelay(2);

> +       } while (--tout && !val);

> +

> +       if (!tout) {

> +               val = netsec_read_reg(priv, NETSEC_REG_NRM_TX_PKTCNT);

> +               pr_err("%s: ETIMEDOUT:  %dpackets\n", __func__, val);

> +               return -ETIMEDOUT;

> +       }

> +

> +       return 0;

> +}

> +

> +static int netsec_free_packet(struct udevice *dev, uchar *packet, int length)

> +{

> +       struct netsec_priv *priv = dev_get_priv(dev);

> +

> +       netsec_set_rx_de(priv, priv->rxat, net_rx_packets[priv->rxat]);

> +

> +       priv->rxat++;

> +       if (priv->rxat == PKTBUFSRX)

> +               priv->rxat = 0;

> +

> +       return 0;

> +}

> +

> +static int netsec_recv(struct udevice *dev, int flags, uchar **packetp)

> +{

> +       struct netsec_priv *priv = dev_get_priv(dev);

> +       int idx = priv->rxat;

> +       uchar *ptr = net_rx_packets[idx];

> +       struct netsec_de *de = &priv->rxde[idx];

> +       int length = 0;

> +

> +       netsec_cache_invalidate((uintptr_t)de, sizeof(*de));

> +

> +       if (de->attr & (1U << NETSEC_RX_PKT_OWN_FIELD))

> +               return -EAGAIN;

> +

> +       length = de->buf_len_info >> 16;

> +

> +       /* invalidate after DMA is done */

> +       netsec_cache_invalidate((uintptr_t)ptr, length);

> +       *packetp = ptr;

> +

> +       return length;

> +}

> +

> +static int _netsec_get_phy_reg(struct mii_dev *bus,

> +                              int phy_addr, int devad, int reg_addr)

> +{

> +       return netsec_get_phy_reg(bus->priv, phy_addr, reg_addr);

> +}

> +

> +static int _netsec_set_phy_reg(struct mii_dev *bus,

> +                              int phy_addr, int devad, int reg_addr, u16 val)

> +{

> +       return netsec_set_phy_reg(bus->priv, phy_addr, reg_addr, val);

> +}

> +

> +static int netsec_mdiobus_init(struct netsec_priv *priv, const char *name)

> +{

> +       struct mii_dev *bus = mdio_alloc();

> +

> +       if (!bus)

> +               return -ENOMEM;

> +

> +       bus->read = _netsec_get_phy_reg;

> +       bus->write = _netsec_set_phy_reg;

> +       snprintf(bus->name, sizeof(bus->name), "%s", name);

> +       bus->priv = priv;

> +

> +       return mdio_register(bus);

> +}

> +

> +static int netsec_phy_init(struct netsec_priv *priv, void *dev)

> +{

> +       struct phy_device *phydev;

> +       int ret;

> +

> +       phydev = phy_connect(priv->bus, priv->phy_addr, dev, priv->phy_mode);

> +

> +       phydev->supported &= PHY_GBIT_FEATURES;

> +       if (priv->max_speed) {

> +               ret = phy_set_supported(phydev, priv->max_speed);

> +               if (ret)

> +                       return ret;

> +       }

> +       phydev->advertising = phydev->supported;

> +

> +       priv->phydev = phydev;

> +       phy_config(phydev);

> +

> +       return 0;

> +}

> +

> +static int netsec_netdev_load_ucode_region(struct netsec_priv *priv, u32 reg,

> +                                          u32 addr_h, u32 addr_l, u32 size)

> +{

> +       u64 base = ((u64)addr_h << 32 | addr_l) - EERPROM_MAP_OFFSET;

> +

> +       while (size > 0) {

> +               char buf[NOR_BLOCK];

> +               u32 *ucode = (u32 *)buf;

> +               u64 off;

> +               int i;

> +

> +               off = base % NOR_BLOCK;

> +               base -= off;

> +               netsec_spi_read(buf, sizeof(buf), base);

> +

> +               for (i = off / 4; i < sizeof(buf) / 4 && size > 0; i++, size--)

> +                       netsec_write_reg(priv, reg, ucode[i]);

> +               base += NOR_BLOCK;

> +       }

> +

> +       return 0;

> +}

> +

> +static int netsec_netdev_load_microcode(struct netsec_priv *priv)

> +{

> +       u32 addr_h, addr_l, size;

> +       char buf[NOR_BLOCK];

> +       u32 *ucinfo = (u32 *)buf;

> +       int err;

> +

> +       netsec_spi_read(buf, sizeof(buf), priv->eeprom_base);

> +

> +       addr_h = ucinfo[NETSEC_EEPROM_HM_ME_ADDRESS_H >> 2];

> +       addr_l = ucinfo[NETSEC_EEPROM_HM_ME_ADDRESS_L >> 2];

> +       size = ucinfo[NETSEC_EEPROM_HM_ME_SIZE >> 2];

> +

> +       err = netsec_netdev_load_ucode_region(priv, NETSEC_REG_DMAC_HM_CMD_BUF,

> +                                             addr_h, addr_l, size);

> +       if (err)

> +               return err;

> +

> +       addr_h = ucinfo[NETSEC_EEPROM_MH_ME_ADDRESS_H >> 2];

> +       addr_l = ucinfo[NETSEC_EEPROM_MH_ME_ADDRESS_L >> 2];

> +       size = ucinfo[NETSEC_EEPROM_MH_ME_SIZE >> 2];

> +

> +       err = netsec_netdev_load_ucode_region(priv, NETSEC_REG_DMAC_MH_CMD_BUF,

> +                                             addr_h, addr_l, size);

> +       if (err)

> +               return err;

> +

> +       addr_h = 0;

> +       addr_l = ucinfo[NETSEC_EEPROM_PKT_ME_ADDRESS >> 2];

> +       size = ucinfo[NETSEC_EEPROM_PKT_ME_SIZE >> 2];

> +

> +       err = netsec_netdev_load_ucode_region(priv, NETSEC_REG_PKT_CMD_BUF,

> +                                             addr_h, addr_l, size);

> +       if (err)

> +               return err;

> +

> +       return 0;

> +}

> +

> +void netsec_pre_init_microengine(struct netsec_priv *priv)

> +{

> +       u32 data;

> +

> +       /* Remove dormant settings */

> +       data = netsec_get_phy_reg(priv, priv->phy_addr, MII_BMCR);

> +       data &= ~BMCR_PDOWN;

> +       data |= BMCR_ISOLATE;

> +       netsec_set_phy_reg(priv, priv->phy_addr, MII_BMCR, data);

> +       mdelay(100);

> +

> +       /* Put phy in loopback mode to guarantee RXCLK input */

> +       data |= BMCR_LOOPBACK;

> +       netsec_set_phy_reg(priv, priv->phy_addr, MII_BMCR, data);

> +       mdelay(100);

> +}

> +

> +void netsec_post_init_microengine(struct netsec_priv *priv)

> +{

> +       u32 data;

> +

> +       /* Get phy back to normal operation */

> +       data = netsec_get_phy_reg(priv, priv->phy_addr, MII_BMCR);

> +       data &= ~BMCR_LOOPBACK;

> +       netsec_set_phy_reg(priv, priv->phy_addr, MII_BMCR, data);

> +       mdelay(100);

> +

> +       /* Apply software reset */

> +       data |= BMCR_RESET;

> +       netsec_set_phy_reg(priv, priv->phy_addr, MII_BMCR, data);

> +       mdelay(100);

> +}

> +

> +static int netsec_reset_hardware(struct netsec_priv *priv, bool load_ucode)

> +{

> +       u32 value;

> +       int err;

> +

> +       netsec_write_reg(priv, NETSEC_REG_CLK_EN, 0x24);

> +

> +       /* stop DMA engines */

> +       if (!netsec_read_reg(priv, NETSEC_REG_ADDR_DIS_CORE)) {

> +               netsec_write_reg(priv, NETSEC_REG_DMA_HM_CTRL,

> +                                NETSEC_DMA_CTRL_REG_STOP);

> +               netsec_write_reg(priv, NETSEC_REG_DMA_MH_CTRL,

> +                                NETSEC_DMA_CTRL_REG_STOP);

> +

> +               value = 100;

> +               while (netsec_read_reg(priv, NETSEC_REG_DMA_HM_CTRL) &

> +                      NETSEC_DMA_CTRL_REG_STOP) {

> +                       udelay(1000);

> +                       if (--value == 0) {

> +                               pr_err("%s:%d timeout!\n", __func__, __LINE__);

> +                               break;

> +                       }

> +               }

> +

> +               value = 100;

> +               while (netsec_read_reg(priv, NETSEC_REG_DMA_MH_CTRL) &

> +                      NETSEC_DMA_CTRL_REG_STOP) {

> +                       udelay(1000);

> +                       if (--value == 0) {

> +                               pr_err("%s:%d timeout!\n", __func__, __LINE__);

> +                               break;

> +                       }

> +               }

> +       }

> +

> +       netsec_set_mac_reg(priv, GMAC_REG_BMR, NETSEC_GMAC_BMR_REG_RESET);

> +

> +       netsec_write_reg(priv, NETSEC_REG_SOFT_RST, NETSEC_SOFT_RST_REG_RESET);

> +       netsec_write_reg(priv, NETSEC_REG_SOFT_RST, NETSEC_SOFT_RST_REG_RUN);

> +       netsec_write_reg(priv, NETSEC_REG_COM_INIT, NETSEC_COM_INIT_REG_ALL);

> +

> +       value = 100;

> +       while (netsec_read_reg(priv, NETSEC_REG_COM_INIT) != 0) {

> +               udelay(1000);

> +               if (--value == 0) {

> +                       pr_err("%s:%d COM_INIT timeout!\n", __func__, __LINE__);

> +                       break;

> +               }

> +       }

> +

> +       /* MAC desc init */

> +       netsec_write_reg(priv, MAC_REG_DESC_INIT, 1);

> +       netsec_wait_while_busy(priv, MAC_REG_DESC_INIT, 1);

> +       /* set MAC_INTF_SEL */

> +       netsec_write_reg(priv, MAC_REG_INTF_SEL, 1);

> +

> +       netsec_write_reg(priv, NETSEC_REG_CLK_EN, 1 << 5);

> +

> +       /* set desc_start addr */

> +       netsec_write_reg(priv, NETSEC_REG_NRM_RX_DESC_START_UP,

> +                        upper_32_bits((dma_addr_t)priv->rxde));

> +       netsec_write_reg(priv, NETSEC_REG_NRM_RX_DESC_START_LW,

> +                        lower_32_bits((dma_addr_t)priv->rxde));

> +

> +       netsec_write_reg(priv, NETSEC_REG_NRM_TX_DESC_START_UP,

> +                        upper_32_bits((dma_addr_t)priv->txde));

> +       netsec_write_reg(priv, NETSEC_REG_NRM_TX_DESC_START_LW,

> +                        lower_32_bits((dma_addr_t)priv->txde));

> +

> +       /* set normal tx dring ring config */

> +       netsec_write_reg(priv, NETSEC_REG_NRM_TX_CONFIG,

> +                        1 << NETSEC_REG_DESC_ENDIAN);

> +       netsec_write_reg(priv, NETSEC_REG_NRM_RX_CONFIG,

> +                        1 << NETSEC_REG_DESC_ENDIAN);

> +

> +       if (load_ucode) {

> +               err = netsec_netdev_load_microcode(priv);

> +               if (err) {

> +                       pr_err("%s: failed to load microcode (%d)\n",

> +                              __func__, err);

> +                       return err;

> +               }

> +       }

> +

> +       /* set desc_start addr */

> +       netsec_write_reg(priv, NETSEC_REG_NRM_RX_DESC_START_UP,

> +                        upper_32_bits((dma_addr_t)priv->rxde));

> +       netsec_write_reg(priv, NETSEC_REG_NRM_RX_DESC_START_LW,

> +                        lower_32_bits((dma_addr_t)priv->rxde));

> +

> +       netsec_write_reg(priv, NETSEC_REG_NRM_TX_DESC_START_UP,

> +                        upper_32_bits((dma_addr_t)priv->txde));

> +       netsec_write_reg(priv, NETSEC_REG_NRM_TX_DESC_START_LW,

> +                        lower_32_bits((dma_addr_t)priv->txde));

> +

> +       netsec_write_reg(priv, NETSEC_REG_CLK_EN, 1 << 5);

> +

> +       /* start DMA engines */

> +       netsec_write_reg(priv, NETSEC_REG_DMA_TMR_CTRL, priv->freq / 1000000 - 1);

> +

> +       netsec_pre_init_microengine(priv);

> +

> +       netsec_write_reg(priv, NETSEC_REG_ADDR_DIS_CORE, 0);

> +

> +       mdelay(100);

> +

> +       if (!(netsec_read_reg(priv, NETSEC_REG_TOP_STATUS) &

> +             NETSEC_TOP_IRQ_REG_ME_START)) {

> +               pr_err("microengine start failed\n");

> +               return -ENXIO;

> +       }

> +

> +       netsec_post_init_microengine(priv);

> +

> +       /* clear microcode load end status */

> +       netsec_write_reg(priv, NETSEC_REG_TOP_STATUS,

> +                        NETSEC_TOP_IRQ_REG_ME_START);

> +

> +       netsec_write_reg(priv, NETSEC_REG_CLK_EN, 1 << 5);

> +

> +       value = netsec_read_reg(priv, NETSEC_REG_PKT_CTRL);

> +       value |= NETSEC_PKT_CTRL_REG_MODE_NRM;

> +       /* change to normal mode */

> +       netsec_write_reg(priv, NETSEC_REG_DMA_MH_CTRL, MH_CTRL__MODE_TRANS);

> +       netsec_write_reg(priv, NETSEC_REG_PKT_CTRL, value);

> +

> +       value = 100;

> +       while ((netsec_read_reg(priv, NETSEC_REG_MODE_TRANS_COMP_STATUS) &

> +               NETSEC_MODE_TRANS_COMP_IRQ_T2N) == 0) {

> +               udelay(1000);

> +               if (--value == 0) {

> +                       value = netsec_read_reg(priv, NETSEC_REG_MODE_TRANS_COMP_STATUS);

> +                       pr_err("%s:%d timeout! val=%x\n", __func__, __LINE__, value);

> +                       break;

> +               }

> +       }

> +

> +       /* clear any pending EMPTY/ERR irq status */

> +       netsec_write_reg(priv, NETSEC_REG_NRM_TX_STATUS, ~0);

> +

> +       /* Disable TX & RX intr */

> +       netsec_write_reg(priv, NETSEC_REG_INTEN_CLR, ~0);

> +

> +       return 0;

> +}

> +

> +static void netsec_stop(struct udevice *dev)

> +{

> +       struct netsec_priv *priv = dev_get_priv(dev);

> +

> +       netsec_write_reg(priv, NETSEC_REG_ADDR_DIS_CORE, 7);

> +       netsec_stop_gmac(priv);

> +       phy_shutdown(priv->phydev);

> +       netsec_reset_hardware(priv, false);

> +}

> +

> +static int netsec_start(struct udevice *dev)

> +{

> +       struct netsec_priv *priv = dev_get_priv(dev);

> +       int i;

> +

> +       phy_startup(priv->phydev);

> +       netsec_start_gmac(priv);

> +

> +       priv->rxat = 0;

> +       for (i = 0; i < PKTBUFSRX; i++)

> +               netsec_set_rx_de(priv, i, net_rx_packets[i]);

> +

> +       return 0;

> +}

> +

> +static int netsec_of_to_plat(struct udevice *dev)

> +{

> +       struct eth_pdata *pdata = dev_get_plat(dev);

> +       struct netsec_priv *priv = dev_get_priv(dev);

> +       struct ofnode_phandle_args phandle_args;

> +       const char *phy_mode;

> +

> +       pdata->iobase = dev_read_addr_index(dev, 0);

> +       priv->eeprom_base = dev_read_addr_index(dev, 1) - EERPROM_MAP_OFFSET;

> +

> +       pdata->phy_interface = -1;

> +       phy_mode = dev_read_prop(dev, "phy-mode", NULL);

> +       if (phy_mode)

> +               pdata->phy_interface = phy_get_interface_by_name(phy_mode);

> +       if (pdata->phy_interface == -1) {

> +               pr_err("%s: Invalid PHY interface '%s'\n", __func__, phy_mode);

> +               return -EINVAL;

> +       }

> +

> +       if (!dev_read_phandle_with_args(dev, "phy-handle", NULL, 0, 0,

> +                                       &phandle_args))

> +               priv->phy_addr = ofnode_read_u32_default(phandle_args.node, "reg", 7);

> +       else

> +               priv->phy_addr = 7;

> +

> +       pdata->max_speed = dev_read_u32_default(dev, "max-speed", SPEED_1000);

> +

> +       priv->ioaddr = pdata->iobase;

> +       priv->phy_mode = pdata->phy_interface;

> +       priv->max_speed = pdata->max_speed;

> +       priv->freq = 250000000UL;

> +

> +       return 0;

> +}

> +

> +#define SMMU_SCR0_SHCFG_INNER             (0x2 << 22)

> +#define SMMU_SCR0_MTCFG                   (0x1 << 20)

> +#define SMMU_SCR0_MEMATTR_INNER_OUTER_WB  (0xf << 16)

> +

> +static int netsec_probe(struct udevice *dev)

> +{

> +       struct netsec_priv *priv = dev_get_priv(dev);

> +       int ret;

> +

> +       writel(SMMU_SCR0_SHCFG_INNER | SMMU_SCR0_MTCFG | SMMU_SCR0_MEMATTR_INNER_OUTER_WB,

> +              (phys_addr_t)0x52E00000);

> +

> +       netsec_reset_hardware(priv, true);

> +

> +       ret = netsec_mdiobus_init(priv, dev->name);

> +       if (ret) {

> +               pr_err("Failed to initialize mdiobus: %d\n", ret);

> +               return ret;

> +       }

> +

> +       priv->bus = miiphy_get_dev_by_name(dev->name);

> +

> +       ret = netsec_phy_init(priv, dev);

> +       if (ret) {

> +               pr_err("Failed to initialize phy: %d\n", ret);

> +               goto out_mdiobus_release;

> +       }

> +

> +       return 0;

> +out_mdiobus_release:

> +       mdio_unregister(priv->bus);

> +       mdio_free(priv->bus);

> +       return ret;

> +}

> +

> +static int netsec_remove(struct udevice *dev)

> +{

> +       struct netsec_priv *priv = dev_get_priv(dev);

> +

> +       free(priv->phydev);

> +       mdio_unregister(priv->bus);

> +       mdio_free(priv->bus);

> +

> +       return 0;

> +}

> +

> +static const struct eth_ops netsec_ops = {

> +       .start        = netsec_start,

> +       .stop         = netsec_stop,

> +       .send         = netsec_send,

> +       .recv         = netsec_recv,

> +       .free_pkt     = netsec_free_packet,

> +       .read_rom_hwaddr = netsec_read_rom_hwaddr,

> +};

> +

> +static const struct udevice_id netsec_ids[] = {

> +       {

> +               .compatible = "socionext,synquacer-netsec",

> +       },

> +       {}

> +};

> +

> +U_BOOT_DRIVER(ave) = {

> +       .name     = "synquacer_netsec",

> +       .id       = UCLASS_ETH,

> +       .of_match = netsec_ids,

> +       .probe    = netsec_probe,

> +       .remove   = netsec_remove,

> +       .of_to_plat = netsec_of_to_plat,

> +       .ops      = &netsec_ops,

> +       .priv_auto      = sizeof(struct netsec_priv),

> +       .plat_auto      = sizeof(struct eth_pdata),

> +};

>

Reviewed-by: Ramon Fried <rfried.dev@gmail.com>

Patch

diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index 0e84c22b50..e7c6814c31 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -649,6 +649,14 @@  config SNI_AVE
 	  This driver implements support for the Socionext AVE Ethernet
 	  controller, as found on the Socionext UniPhier family.
 
+config SNI_NETSEC
+	bool "Socionext NETSEC Ethernet support"
+	depends on DM_ETH && SYNQUACER_SPI
+	select PHYLIB
+	help
+	  This driver implements support for the Socionext SynQuacer NETSEC
+	  ethernet controller, as found on the Socionext SynQuacer family.
+
 source "drivers/net/mscc_eswitch/Kconfig"
 
 config ETHER_ON_FEC1
diff --git a/drivers/net/Makefile b/drivers/net/Makefile
index a19511aaa7..30e1c9baab 100644
--- a/drivers/net/Makefile
+++ b/drivers/net/Makefile
@@ -86,6 +86,7 @@  obj-$(CONFIG_DWC_ETH_QOS) += dwc_eth_qos.o
 obj-$(CONFIG_FSL_PFE) += pfe_eth/
 obj-y += qe/
 obj-$(CONFIG_SNI_AVE) += sni_ave.o
+obj-$(CONFIG_SNI_NETSEC) += sni_netsec.o
 obj-y += ti/
 obj-$(CONFIG_MEDIATEK_ETH) += mtk_eth.o
 obj-y += mscc_eswitch/
diff --git a/drivers/net/sni_netsec.c b/drivers/net/sni_netsec.c
new file mode 100644
index 0000000000..a9ebf6af9c
--- /dev/null
+++ b/drivers/net/sni_netsec.c
@@ -0,0 +1,1134 @@ 
+// SPDX-License-Identifier: GPL-2.0+
+/**
+ * netsec.c - Socionext Synquacer Netsec driver
+ * Copyright 2021 Linaro Ltd.
+ */
+
+#include <clk.h>
+#include <cpu_func.h>
+#include <dm.h>
+#include <fdt_support.h>
+#include <log.h>
+#include <malloc.h>
+#include <miiphy.h>
+#include <net.h>
+#include <regmap.h>
+#include <reset.h>
+#include <syscon.h>
+#include <asm/cache.h>
+#include <asm/global_data.h>
+#include <dm/device_compat.h>
+#include <linux/bitops.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/iopoll.h>
+#include <spi.h>
+#include <spi_flash.h>
+
+#define NETSEC_REG_SOFT_RST			0x104
+#define NETSEC_REG_COM_INIT			0x120
+
+#define NETSEC_REG_TOP_STATUS			0x200
+#define NETSEC_IRQ_RX				BIT(1)
+#define NETSEC_IRQ_TX				BIT(0)
+
+#define NETSEC_REG_TOP_INTEN			0x204
+#define NETSEC_REG_INTEN_SET			0x234
+#define NETSEC_REG_INTEN_CLR			0x238
+
+#define NETSEC_REG_NRM_TX_STATUS		0x400
+#define NETSEC_REG_NRM_TX_INTEN			0x404
+#define NETSEC_REG_NRM_TX_INTEN_SET		0x428
+#define NETSEC_REG_NRM_TX_INTEN_CLR		0x42c
+#define NRM_TX_ST_NTOWNR	BIT(17)
+#define NRM_TX_ST_TR_ERR	BIT(16)
+#define NRM_TX_ST_TXDONE	BIT(15)
+#define NRM_TX_ST_TMREXP	BIT(14)
+
+#define NETSEC_REG_NRM_RX_STATUS		0x440
+#define NETSEC_REG_NRM_RX_INTEN			0x444
+#define NETSEC_REG_NRM_RX_INTEN_SET		0x468
+#define NETSEC_REG_NRM_RX_INTEN_CLR		0x46c
+#define NRM_RX_ST_RC_ERR	BIT(16)
+#define NRM_RX_ST_PKTCNT	BIT(15)
+#define NRM_RX_ST_TMREXP	BIT(14)
+
+#define NETSEC_REG_PKT_CMD_BUF			0xd0
+
+#define NETSEC_REG_CLK_EN			0x100
+
+#define NETSEC_REG_PKT_CTRL			0x140
+
+#define NETSEC_REG_DMA_TMR_CTRL			0x20c
+#define NETSEC_REG_F_TAIKI_MC_VER		0x22c
+#define NETSEC_REG_F_TAIKI_VER			0x230
+#define NETSEC_REG_DMA_HM_CTRL			0x214
+#define NETSEC_REG_DMA_MH_CTRL			0x220
+#define NETSEC_REG_ADDR_DIS_CORE		0x218
+#define NETSEC_REG_DMAC_HM_CMD_BUF		0x210
+#define NETSEC_REG_DMAC_MH_CMD_BUF		0x21c
+
+#define NETSEC_REG_NRM_TX_PKTCNT		0x410
+
+#define NETSEC_REG_NRM_TX_DONE_PKTCNT		0x414
+#define NETSEC_REG_NRM_TX_DONE_TXINT_PKTCNT	0x418
+
+#define NETSEC_REG_NRM_TX_TMR			0x41c
+
+#define NETSEC_REG_NRM_RX_PKTCNT		0x454
+#define NETSEC_REG_NRM_RX_RXINT_PKTCNT		0x458
+#define NETSEC_REG_NRM_TX_TXINT_TMR		0x420
+#define NETSEC_REG_NRM_RX_RXINT_TMR		0x460
+
+#define NETSEC_REG_NRM_RX_TMR			0x45c
+
+#define NETSEC_REG_NRM_TX_DESC_START_UP		0x434
+#define NETSEC_REG_NRM_TX_DESC_START_LW		0x408
+#define NETSEC_REG_NRM_RX_DESC_START_UP		0x474
+#define NETSEC_REG_NRM_RX_DESC_START_LW		0x448
+
+#define NETSEC_REG_NRM_TX_CONFIG		0x430
+#define NETSEC_REG_NRM_RX_CONFIG		0x470
+
+#define MAC_REG_STATUS				0x1024
+#define MAC_REG_DATA				0x11c0
+#define MAC_REG_CMD				0x11c4
+#define MAC_REG_FLOW_TH				0x11cc
+#define MAC_REG_INTF_SEL			0x11d4
+#define MAC_REG_DESC_INIT			0x11fc
+#define MAC_REG_DESC_SOFT_RST			0x1204
+#define NETSEC_REG_MODE_TRANS_COMP_STATUS	0x500
+
+#define GMAC_REG_MCR				0x0000
+#define GMAC_REG_MFFR				0x0004
+#define GMAC_REG_GAR				0x0010
+#define GMAC_REG_GDR				0x0014
+#define GMAC_REG_FCR				0x0018
+#define GMAC_REG_BMR				0x1000
+#define GMAC_REG_RDLAR				0x100c
+#define GMAC_REG_TDLAR				0x1010
+#define GMAC_REG_OMR				0x1018
+
+#define MHZ(n)		((n) * 1000 * 1000)
+
+#define NETSEC_TX_SHIFT_OWN_FIELD		31
+#define NETSEC_TX_SHIFT_LD_FIELD		30
+#define NETSEC_TX_SHIFT_DRID_FIELD		24
+#define NETSEC_TX_SHIFT_PT_FIELD		21
+#define NETSEC_TX_SHIFT_TDRID_FIELD		16
+#define NETSEC_TX_SHIFT_CC_FIELD		15
+#define NETSEC_TX_SHIFT_FS_FIELD		9
+#define NETSEC_TX_LAST				8
+#define NETSEC_TX_SHIFT_CO			7
+#define NETSEC_TX_SHIFT_SO			6
+#define NETSEC_TX_SHIFT_TRS_FIELD		4
+
+#define NETSEC_RX_PKT_OWN_FIELD			31
+#define NETSEC_RX_PKT_LD_FIELD			30
+#define NETSEC_RX_PKT_SDRID_FIELD		24
+#define NETSEC_RX_PKT_FR_FIELD			23
+#define NETSEC_RX_PKT_ER_FIELD			21
+#define NETSEC_RX_PKT_ERR_FIELD			16
+#define NETSEC_RX_PKT_TDRID_FIELD		12
+#define NETSEC_RX_PKT_FS_FIELD			9
+#define NETSEC_RX_PKT_LS_FIELD			8
+#define NETSEC_RX_PKT_CO_FIELD			6
+
+#define NETSEC_RX_PKT_ERR_MASK			3
+
+#define NETSEC_MAX_TX_PKT_LEN			1518
+#define NETSEC_MAX_TX_JUMBO_PKT_LEN		9018
+
+#define NETSEC_RING_GMAC			15
+#define NETSEC_RING_MAX				2
+
+#define NETSEC_TCP_SEG_LEN_MAX			1460
+#define NETSEC_TCP_JUMBO_SEG_LEN_MAX		8960
+
+#define NETSEC_RX_CKSUM_NOTAVAIL		0
+#define NETSEC_RX_CKSUM_OK			1
+#define NETSEC_RX_CKSUM_NG			2
+
+#define NETSEC_TOP_IRQ_REG_ME_START			BIT(20)
+#define NETSEC_IRQ_TRANSITION_COMPLETE		BIT(4)
+
+#define NETSEC_MODE_TRANS_COMP_IRQ_N2T		BIT(20)
+#define NETSEC_MODE_TRANS_COMP_IRQ_T2N		BIT(19)
+
+#define NETSEC_INT_PKTCNT_MAX			2047
+
+#define NETSEC_FLOW_START_TH_MAX		95
+#define NETSEC_FLOW_STOP_TH_MAX			95
+#define NETSEC_FLOW_PAUSE_TIME_MIN		5
+
+#define NETSEC_CLK_EN_REG_DOM_ALL		0x3f
+
+#define NETSEC_PKT_CTRL_REG_MODE_NRM		BIT(28)
+#define NETSEC_PKT_CTRL_REG_EN_JUMBO		BIT(27)
+#define NETSEC_PKT_CTRL_REG_LOG_CHKSUM_ER	BIT(3)
+#define NETSEC_PKT_CTRL_REG_LOG_HD_INCOMPLETE	BIT(2)
+#define NETSEC_PKT_CTRL_REG_LOG_HD_ER		BIT(1)
+#define NETSEC_PKT_CTRL_REG_DRP_NO_MATCH	BIT(0)
+
+#define NETSEC_CLK_EN_REG_DOM_G			BIT(5)
+#define NETSEC_CLK_EN_REG_DOM_C			BIT(1)
+#define NETSEC_CLK_EN_REG_DOM_D			BIT(0)
+
+#define NETSEC_COM_INIT_REG_DB			BIT(2)
+#define NETSEC_COM_INIT_REG_CLS			BIT(1)
+#define NETSEC_COM_INIT_REG_ALL			(NETSEC_COM_INIT_REG_CLS | \
+						 NETSEC_COM_INIT_REG_DB)
+
+#define NETSEC_SOFT_RST_REG_RESET		0
+#define NETSEC_SOFT_RST_REG_RUN			BIT(31)
+
+#define NETSEC_DMA_CTRL_REG_STOP		1
+#define MH_CTRL__MODE_TRANS			BIT(20)
+
+#define NETSEC_GMAC_CMD_ST_READ			0
+#define NETSEC_GMAC_CMD_ST_WRITE		BIT(28)
+#define NETSEC_GMAC_CMD_ST_BUSY			BIT(31)
+
+#define NETSEC_GMAC_BMR_REG_COMMON		0x00412080
+#define NETSEC_GMAC_BMR_REG_RESET		0x00020181
+#define NETSEC_GMAC_BMR_REG_SWR			0x00000001
+
+#define NETSEC_GMAC_OMR_REG_ST			BIT(13)
+#define NETSEC_GMAC_OMR_REG_SR			BIT(1)
+
+#define NETSEC_GMAC_MCR_REG_IBN			BIT(30)
+#define NETSEC_GMAC_MCR_REG_CST			BIT(25)
+#define NETSEC_GMAC_MCR_REG_JE			BIT(20)
+#define NETSEC_MCR_PS				BIT(15)
+#define NETSEC_GMAC_MCR_REG_FES			BIT(14)
+#define NETSEC_GMAC_MCR_REG_FULL_DUPLEX_COMMON	0x0000280c
+#define NETSEC_GMAC_MCR_REG_HALF_DUPLEX_COMMON	0x0001a00c
+
+#define NETSEC_FCR_RFE				BIT(2)
+#define NETSEC_FCR_TFE				BIT(1)
+
+#define NETSEC_GMAC_GAR_REG_GW			BIT(1)
+#define NETSEC_GMAC_GAR_REG_GB			BIT(0)
+
+#define NETSEC_GMAC_GAR_REG_SHIFT_PA		11
+#define NETSEC_GMAC_GAR_REG_SHIFT_GR		6
+#define GMAC_REG_SHIFT_CR_GAR			2
+
+#define NETSEC_GMAC_GAR_REG_CR_25_35_MHZ	2
+#define NETSEC_GMAC_GAR_REG_CR_35_60_MHZ	3
+#define NETSEC_GMAC_GAR_REG_CR_60_100_MHZ	0
+#define NETSEC_GMAC_GAR_REG_CR_100_150_MHZ	1
+#define NETSEC_GMAC_GAR_REG_CR_150_250_MHZ	4
+#define NETSEC_GMAC_GAR_REG_CR_250_300_MHZ	5
+
+#define NETSEC_GMAC_RDLAR_REG_COMMON		0x18000
+#define NETSEC_GMAC_TDLAR_REG_COMMON		0x1c000
+
+#define NETSEC_REG_NETSEC_VER_F_TAIKI		0x50000
+
+#define NETSEC_REG_DESC_RING_CONFIG_CFG_UP	BIT(31)
+#define NETSEC_REG_DESC_RING_CONFIG_CH_RST	BIT(30)
+#define NETSEC_REG_DESC_TMR_MODE		4
+#define NETSEC_REG_DESC_ENDIAN			0
+
+#define NETSEC_MAC_DESC_SOFT_RST_SOFT_RST	1
+#define NETSEC_MAC_DESC_INIT_REG_INIT		1
+
+#define NETSEC_EEPROM_MAC_ADDRESS		0x00
+#define NETSEC_EEPROM_HM_ME_ADDRESS_H		0x08
+#define NETSEC_EEPROM_HM_ME_ADDRESS_L		0x0C
+#define NETSEC_EEPROM_HM_ME_SIZE		0x10
+#define NETSEC_EEPROM_MH_ME_ADDRESS_H		0x14
+#define NETSEC_EEPROM_MH_ME_ADDRESS_L		0x18
+#define NETSEC_EEPROM_MH_ME_SIZE		0x1C
+#define NETSEC_EEPROM_PKT_ME_ADDRESS		0x20
+#define NETSEC_EEPROM_PKT_ME_SIZE		0x24
+
+#define DESC_SZ	sizeof(struct netsec_de)
+
+#define NETSEC_F_NETSEC_VER_MAJOR_NUM(x)	((x) & 0xffff0000)
+
+#define EERPROM_MAP_OFFSET	0x8000000
+#define NOR_BLOCK	1024
+
+struct netsec_de { /* Netsec Descriptor layout */
+	u32 attr;
+	u32 data_buf_addr_up;
+	u32 data_buf_addr_lw;
+	u32 buf_len_info;
+};
+
+struct netsec_priv {
+	struct netsec_de rxde[PKTBUFSRX];
+	struct netsec_de txde[1];
+	u16 rxat;
+
+	phys_addr_t eeprom_base;
+	phys_addr_t ioaddr;
+
+	struct mii_dev *bus;
+	struct phy_device *phydev;
+	u32 phy_addr, freq;
+	int phy_mode;
+	int max_speed;
+};
+
+struct netsec_tx_pkt_ctrl {
+	u16 tcp_seg_len;
+	bool tcp_seg_offload_flag;
+	bool cksum_offload_flag;
+};
+
+struct netsec_rx_pkt_info {
+	int rx_cksum_result;
+	int err_code;
+	bool err_flag;
+};
+
+static void netsec_write_reg(struct netsec_priv *priv, u32 reg_addr, u32 val)
+{
+	writel(val, priv->ioaddr + reg_addr);
+}
+
+static u32 netsec_read_reg(struct netsec_priv *priv, u32 reg_addr)
+{
+	return readl(priv->ioaddr + reg_addr);
+}
+
+/************* MDIO BUS OPS FOLLOW *************/
+
+#define TIMEOUT_SPINS_MAC		1000
+#define TIMEOUT_SECONDARY_MS_MAC	100
+
+static u32 netsec_clk_type(u32 freq)
+{
+	if (freq < MHZ(35))
+		return NETSEC_GMAC_GAR_REG_CR_25_35_MHZ;
+	if (freq < MHZ(60))
+		return NETSEC_GMAC_GAR_REG_CR_35_60_MHZ;
+	if (freq < MHZ(100))
+		return NETSEC_GMAC_GAR_REG_CR_60_100_MHZ;
+	if (freq < MHZ(150))
+		return NETSEC_GMAC_GAR_REG_CR_100_150_MHZ;
+	if (freq < MHZ(250))
+		return NETSEC_GMAC_GAR_REG_CR_150_250_MHZ;
+
+	return NETSEC_GMAC_GAR_REG_CR_250_300_MHZ;
+}
+
+static int netsec_wait_while_busy(struct netsec_priv *priv, u32 addr, u32 mask)
+{
+	u32 timeout = TIMEOUT_SPINS_MAC;
+
+	while (--timeout && netsec_read_reg(priv, addr) & mask)
+		cpu_relax();
+	if (timeout)
+		return 0;
+
+	timeout = TIMEOUT_SECONDARY_MS_MAC;
+	while (--timeout && netsec_read_reg(priv, addr) & mask)
+		udelay(2000);
+
+	if (timeout)
+		return 0;
+
+	pr_err("%s: timeout\n", __func__);
+
+	return -ETIMEDOUT;
+}
+
+static int netsec_set_mac_reg(struct netsec_priv *priv, u32 addr, u32 value)
+{
+	netsec_write_reg(priv, MAC_REG_DATA, value);
+	netsec_write_reg(priv, MAC_REG_CMD, addr | NETSEC_GMAC_CMD_ST_WRITE);
+	return netsec_wait_while_busy(priv,
+				      MAC_REG_CMD, NETSEC_GMAC_CMD_ST_BUSY);
+}
+
+static int netsec_get_mac_reg(struct netsec_priv *priv, u32 addr, u32 *read)
+{
+	int ret;
+
+	netsec_write_reg(priv, MAC_REG_CMD, addr | NETSEC_GMAC_CMD_ST_READ);
+	ret = netsec_wait_while_busy(priv,
+				     MAC_REG_CMD, NETSEC_GMAC_CMD_ST_BUSY);
+	if (ret)
+		return ret;
+
+	*read = netsec_read_reg(priv, MAC_REG_DATA);
+
+	return 0;
+}
+
+static int netsec_mac_wait_while_busy(struct netsec_priv *priv,
+				      u32 addr, u32 mask)
+{
+	u32 timeout = TIMEOUT_SPINS_MAC;
+	u32 data;
+	int ret;
+
+	do {
+		ret = netsec_get_mac_reg(priv, addr, &data);
+		if (ret)
+			break;
+		udelay(1);
+	} while (--timeout && (data & mask));
+
+	if (timeout)
+		return 0;
+
+	timeout = TIMEOUT_SECONDARY_MS_MAC;
+	do {
+		udelay(2000);
+
+		ret = netsec_get_mac_reg(priv, addr, &data);
+		if (ret)
+			break;
+		cpu_relax();
+	} while (--timeout && (data & mask));
+
+	if (timeout && !ret)
+		return 0;
+
+	return -ETIMEDOUT;
+}
+
+static void netsec_cache_invalidate(uintptr_t vaddr, int len)
+{
+	invalidate_dcache_range(rounddown(vaddr, ARCH_DMA_MINALIGN),
+				roundup(vaddr + len, ARCH_DMA_MINALIGN));
+}
+
+static void netsec_cache_flush(uintptr_t vaddr, int len)
+{
+	flush_dcache_range(rounddown(vaddr, ARCH_DMA_MINALIGN),
+			   roundup(vaddr + len, ARCH_DMA_MINALIGN));
+}
+
+static void netsec_set_rx_de(struct netsec_priv *priv, u16 idx, void *addr)
+{
+	struct netsec_de *de = &priv->rxde[idx];
+	u32 attr = (1 << NETSEC_RX_PKT_OWN_FIELD) |
+		   (1 << NETSEC_RX_PKT_FS_FIELD) |
+		   (1 << NETSEC_RX_PKT_LS_FIELD);
+
+	if (idx == PKTBUFSRX - 1)
+		attr |= (1 << NETSEC_RX_PKT_LD_FIELD);
+
+	de->data_buf_addr_up = upper_32_bits((dma_addr_t)addr);
+	de->data_buf_addr_lw = lower_32_bits((dma_addr_t)addr);
+	de->buf_len_info = PKTSIZE;
+	de->attr = attr;
+	dmb();
+	netsec_cache_flush((uintptr_t)de, sizeof(*de));
+}
+
+static void netsec_set_tx_de(struct netsec_priv *priv, void *addr, int len)
+{
+	struct netsec_de *de = &priv->txde[0];
+	u32 attr;
+
+	attr = (1 << NETSEC_TX_SHIFT_OWN_FIELD) |
+	       (1 << NETSEC_TX_SHIFT_PT_FIELD) |
+	       (NETSEC_RING_GMAC << NETSEC_TX_SHIFT_TDRID_FIELD) |
+	       (1 << NETSEC_TX_SHIFT_FS_FIELD) |
+	       (1 << NETSEC_TX_LAST) |
+	       (1 << NETSEC_TX_SHIFT_TRS_FIELD) |
+			(1 << NETSEC_TX_SHIFT_LD_FIELD);
+
+	de->data_buf_addr_up = upper_32_bits((dma_addr_t)addr);
+	de->data_buf_addr_lw = lower_32_bits((dma_addr_t)addr);
+	de->buf_len_info = len;
+	de->attr = attr;
+	dmb();
+	netsec_cache_flush((uintptr_t)de, sizeof(*de));
+}
+
+static int netsec_get_phy_reg(struct netsec_priv *priv,
+			      int phy_addr, int reg_addr)
+{
+	u32 data;
+	int ret;
+
+	if (phy_addr != 7)
+		return -EINVAL;
+
+	if (netsec_set_mac_reg(priv, GMAC_REG_GAR, NETSEC_GMAC_GAR_REG_GB |
+			       phy_addr << NETSEC_GMAC_GAR_REG_SHIFT_PA |
+			       reg_addr << NETSEC_GMAC_GAR_REG_SHIFT_GR |
+			       (netsec_clk_type(priv->freq) <<
+				GMAC_REG_SHIFT_CR_GAR)))
+		return -ETIMEDOUT;
+
+	ret = netsec_mac_wait_while_busy(priv, GMAC_REG_GAR,
+					 NETSEC_GMAC_GAR_REG_GB);
+	if (ret)
+		return ret;
+
+	ret = netsec_get_mac_reg(priv, GMAC_REG_GDR, &data);
+	if (ret)
+		return ret;
+
+	return data;
+}
+
+static int netsec_set_phy_reg(struct netsec_priv *priv,
+			      int phy_addr, int reg_addr, u16 val)
+{
+	int ret;
+
+	if (phy_addr != 7)
+		return -EINVAL;
+	if (netsec_set_mac_reg(priv, GMAC_REG_GDR, val))
+		return -ETIMEDOUT;
+
+	if (netsec_set_mac_reg(priv, GMAC_REG_GAR,
+			       phy_addr << NETSEC_GMAC_GAR_REG_SHIFT_PA |
+			       reg_addr << NETSEC_GMAC_GAR_REG_SHIFT_GR |
+			       NETSEC_GMAC_GAR_REG_GW | NETSEC_GMAC_GAR_REG_GB |
+			       (netsec_clk_type(priv->freq) <<
+				GMAC_REG_SHIFT_CR_GAR)))
+		return -ETIMEDOUT;
+
+	ret = netsec_mac_wait_while_busy(priv, GMAC_REG_GAR,
+					 NETSEC_GMAC_GAR_REG_GB);
+
+	/* Developerbox implements RTL8211E PHY and there is
+	 * a compatibility problem with F_GMAC4.
+	 * RTL8211E expects MDC clock must be kept toggling for several
+	 * clock cycle with MDIO high before entering the IDLE state.
+	 * To meet this requirement, netsec driver needs to issue dummy
+	 * read(e.g. read PHYID1(offset 0x2) register) right after write.
+	 */
+	netsec_get_phy_reg(priv, phy_addr, MII_PHYSID1);
+
+	return ret;
+}
+
+static int netsec_mac_update_to_phy_state(struct netsec_priv *priv)
+{
+	struct phy_device *phydev = priv->phydev;
+	u32 value = 0;
+
+	value = phydev->duplex ? NETSEC_GMAC_MCR_REG_FULL_DUPLEX_COMMON :
+				 NETSEC_GMAC_MCR_REG_HALF_DUPLEX_COMMON;
+
+	if (phydev->speed != SPEED_1000)
+		value |= NETSEC_MCR_PS;
+
+	if (phydev->interface != PHY_INTERFACE_MODE_GMII &&
+	    phydev->speed == SPEED_100)
+		value |= NETSEC_GMAC_MCR_REG_FES;
+
+	value |= NETSEC_GMAC_MCR_REG_CST | NETSEC_GMAC_MCR_REG_JE;
+
+	if (phy_interface_is_rgmii(phydev))
+		value |= NETSEC_GMAC_MCR_REG_IBN;
+
+	if (netsec_set_mac_reg(priv, GMAC_REG_MCR, value))
+		return -ETIMEDOUT;
+
+	return 0;
+}
+
+static int netsec_start_gmac(struct netsec_priv *priv)
+{
+	u32 value = 0;
+	int ret;
+
+	if (priv->max_speed != SPEED_1000)
+		value = (NETSEC_GMAC_MCR_REG_CST |
+			 NETSEC_GMAC_MCR_REG_HALF_DUPLEX_COMMON);
+
+	if (netsec_set_mac_reg(priv, GMAC_REG_MCR, value))
+		return -ETIMEDOUT;
+
+	if (netsec_set_mac_reg(priv, GMAC_REG_BMR,
+			       NETSEC_GMAC_BMR_REG_RESET))
+		return -ETIMEDOUT;
+
+	/* Wait soft reset */
+	mdelay(5);
+
+	ret = netsec_get_mac_reg(priv, GMAC_REG_BMR, &value);
+	if (ret)
+		return ret;
+
+	if (value & NETSEC_GMAC_BMR_REG_SWR)
+		return -EAGAIN;
+
+	netsec_write_reg(priv, MAC_REG_DESC_SOFT_RST, 1);
+	if (netsec_wait_while_busy(priv, MAC_REG_DESC_SOFT_RST, 1))
+		return -ETIMEDOUT;
+
+	netsec_write_reg(priv, MAC_REG_DESC_INIT, 1);
+	if (netsec_wait_while_busy(priv, MAC_REG_DESC_INIT, 1))
+		return -ETIMEDOUT;
+
+	if (netsec_set_mac_reg(priv, GMAC_REG_BMR,
+			       NETSEC_GMAC_BMR_REG_COMMON))
+		return -ETIMEDOUT;
+
+	if (netsec_set_mac_reg(priv, GMAC_REG_RDLAR,
+			       NETSEC_GMAC_RDLAR_REG_COMMON))
+		return -ETIMEDOUT;
+
+	if (netsec_set_mac_reg(priv, GMAC_REG_TDLAR,
+			       NETSEC_GMAC_TDLAR_REG_COMMON))
+		return -ETIMEDOUT;
+
+	if (netsec_set_mac_reg(priv, GMAC_REG_MFFR, 0x80000001))
+		return -ETIMEDOUT;
+
+	ret = netsec_mac_update_to_phy_state(priv);
+	if (ret)
+		return ret;
+
+	ret = netsec_get_mac_reg(priv, GMAC_REG_OMR, &value);
+	if (ret)
+		return ret;
+
+	value |= NETSEC_GMAC_OMR_REG_SR;
+	value |= NETSEC_GMAC_OMR_REG_ST;
+
+	netsec_write_reg(priv, NETSEC_REG_NRM_RX_INTEN_CLR, ~0);
+	netsec_write_reg(priv, NETSEC_REG_NRM_TX_INTEN_CLR, ~0);
+
+	if (netsec_set_mac_reg(priv, GMAC_REG_OMR, value))
+		return -ETIMEDOUT;
+
+	return 0;
+}
+
+static int netsec_stop_gmac(struct netsec_priv *priv)
+{
+	u32 value;
+	int ret;
+
+	ret = netsec_get_mac_reg(priv, GMAC_REG_OMR, &value);
+	if (ret)
+		return ret;
+	value &= ~NETSEC_GMAC_OMR_REG_SR;
+	value &= ~NETSEC_GMAC_OMR_REG_ST;
+
+	/* disable all interrupts */
+	netsec_write_reg(priv, NETSEC_REG_NRM_RX_INTEN_CLR, ~0);
+	netsec_write_reg(priv, NETSEC_REG_NRM_TX_INTEN_CLR, ~0);
+
+	return netsec_set_mac_reg(priv, GMAC_REG_OMR, value);
+}
+
+static void netsec_spi_read(char *buf, loff_t len, loff_t offset)
+{
+	struct udevice *new;
+	struct spi_flash *flash;
+
+	spi_flash_probe_bus_cs(CONFIG_SF_DEFAULT_BUS, CONFIG_SF_DEFAULT_CS,
+			       CONFIG_SF_DEFAULT_SPEED, CONFIG_SF_DEFAULT_MODE, &new);
+	flash = dev_get_uclass_priv(new);
+
+	spi_flash_read(flash, offset, len, buf);
+}
+
+static int netsec_read_rom_hwaddr(struct udevice *dev)
+{
+	struct netsec_priv *priv = dev_get_priv(dev);
+	struct eth_pdata *pdata = dev_get_plat(dev);
+	char macp[NOR_BLOCK];
+
+	netsec_spi_read(macp, sizeof(macp), priv->eeprom_base);
+
+	pdata->enetaddr[0] = readb(macp + 3);
+	pdata->enetaddr[1] = readb(macp + 2);
+	pdata->enetaddr[2] = readb(macp + 1);
+	pdata->enetaddr[3] = readb(macp + 0);
+	pdata->enetaddr[4] = readb(macp + 7);
+	pdata->enetaddr[5] = readb(macp + 6);
+	return 0;
+}
+
+static int netsec_send(struct udevice *dev, void *packet, int length)
+{
+	struct netsec_priv *priv = dev_get_priv(dev);
+	u32 val, tout;
+
+	val = netsec_read_reg(priv, NETSEC_REG_NRM_TX_STATUS);
+	netsec_cache_flush((uintptr_t)packet, length);
+	netsec_set_tx_de(priv, packet, length);
+	netsec_write_reg(priv, NETSEC_REG_NRM_TX_PKTCNT, 1); /* submit another tx */
+
+	val = netsec_read_reg(priv, NETSEC_REG_NRM_TX_PKTCNT);
+
+	tout = 10000;
+	do {
+		val = netsec_read_reg(priv, NETSEC_REG_NRM_TX_DONE_PKTCNT);
+		udelay(2);
+	} while (--tout && !val);
+
+	if (!tout) {
+		val = netsec_read_reg(priv, NETSEC_REG_NRM_TX_PKTCNT);
+		pr_err("%s: ETIMEDOUT:  %dpackets\n", __func__, val);
+		return -ETIMEDOUT;
+	}
+
+	return 0;
+}
+
+static int netsec_free_packet(struct udevice *dev, uchar *packet, int length)
+{
+	struct netsec_priv *priv = dev_get_priv(dev);
+
+	netsec_set_rx_de(priv, priv->rxat, net_rx_packets[priv->rxat]);
+
+	priv->rxat++;
+	if (priv->rxat == PKTBUFSRX)
+		priv->rxat = 0;
+
+	return 0;
+}
+
+static int netsec_recv(struct udevice *dev, int flags, uchar **packetp)
+{
+	struct netsec_priv *priv = dev_get_priv(dev);
+	int idx = priv->rxat;
+	uchar *ptr = net_rx_packets[idx];
+	struct netsec_de *de = &priv->rxde[idx];
+	int length = 0;
+
+	netsec_cache_invalidate((uintptr_t)de, sizeof(*de));
+
+	if (de->attr & (1U << NETSEC_RX_PKT_OWN_FIELD))
+		return -EAGAIN;
+
+	length = de->buf_len_info >> 16;
+
+	/* invalidate after DMA is done */
+	netsec_cache_invalidate((uintptr_t)ptr, length);
+	*packetp = ptr;
+
+	return length;
+}
+
+static int _netsec_get_phy_reg(struct mii_dev *bus,
+			       int phy_addr, int devad, int reg_addr)
+{
+	return netsec_get_phy_reg(bus->priv, phy_addr, reg_addr);
+}
+
+static int _netsec_set_phy_reg(struct mii_dev *bus,
+			       int phy_addr, int devad, int reg_addr, u16 val)
+{
+	return netsec_set_phy_reg(bus->priv, phy_addr, reg_addr, val);
+}
+
+static int netsec_mdiobus_init(struct netsec_priv *priv, const char *name)
+{
+	struct mii_dev *bus = mdio_alloc();
+
+	if (!bus)
+		return -ENOMEM;
+
+	bus->read = _netsec_get_phy_reg;
+	bus->write = _netsec_set_phy_reg;
+	snprintf(bus->name, sizeof(bus->name), "%s", name);
+	bus->priv = priv;
+
+	return mdio_register(bus);
+}
+
+static int netsec_phy_init(struct netsec_priv *priv, void *dev)
+{
+	struct phy_device *phydev;
+	int ret;
+
+	phydev = phy_connect(priv->bus, priv->phy_addr, dev, priv->phy_mode);
+
+	phydev->supported &= PHY_GBIT_FEATURES;
+	if (priv->max_speed) {
+		ret = phy_set_supported(phydev, priv->max_speed);
+		if (ret)
+			return ret;
+	}
+	phydev->advertising = phydev->supported;
+
+	priv->phydev = phydev;
+	phy_config(phydev);
+
+	return 0;
+}
+
+static int netsec_netdev_load_ucode_region(struct netsec_priv *priv, u32 reg,
+					   u32 addr_h, u32 addr_l, u32 size)
+{
+	u64 base = ((u64)addr_h << 32 | addr_l) - EERPROM_MAP_OFFSET;
+
+	while (size > 0) {
+		char buf[NOR_BLOCK];
+		u32 *ucode = (u32 *)buf;
+		u64 off;
+		int i;
+
+		off = base % NOR_BLOCK;
+		base -= off;
+		netsec_spi_read(buf, sizeof(buf), base);
+
+		for (i = off / 4; i < sizeof(buf) / 4 && size > 0; i++, size--)
+			netsec_write_reg(priv, reg, ucode[i]);
+		base += NOR_BLOCK;
+	}
+
+	return 0;
+}
+
+static int netsec_netdev_load_microcode(struct netsec_priv *priv)
+{
+	u32 addr_h, addr_l, size;
+	char buf[NOR_BLOCK];
+	u32 *ucinfo = (u32 *)buf;
+	int err;
+
+	netsec_spi_read(buf, sizeof(buf), priv->eeprom_base);
+
+	addr_h = ucinfo[NETSEC_EEPROM_HM_ME_ADDRESS_H >> 2];
+	addr_l = ucinfo[NETSEC_EEPROM_HM_ME_ADDRESS_L >> 2];
+	size = ucinfo[NETSEC_EEPROM_HM_ME_SIZE >> 2];
+
+	err = netsec_netdev_load_ucode_region(priv, NETSEC_REG_DMAC_HM_CMD_BUF,
+					      addr_h, addr_l, size);
+	if (err)
+		return err;
+
+	addr_h = ucinfo[NETSEC_EEPROM_MH_ME_ADDRESS_H >> 2];
+	addr_l = ucinfo[NETSEC_EEPROM_MH_ME_ADDRESS_L >> 2];
+	size = ucinfo[NETSEC_EEPROM_MH_ME_SIZE >> 2];
+
+	err = netsec_netdev_load_ucode_region(priv, NETSEC_REG_DMAC_MH_CMD_BUF,
+					      addr_h, addr_l, size);
+	if (err)
+		return err;
+
+	addr_h = 0;
+	addr_l = ucinfo[NETSEC_EEPROM_PKT_ME_ADDRESS >> 2];
+	size = ucinfo[NETSEC_EEPROM_PKT_ME_SIZE >> 2];
+
+	err = netsec_netdev_load_ucode_region(priv, NETSEC_REG_PKT_CMD_BUF,
+					      addr_h, addr_l, size);
+	if (err)
+		return err;
+
+	return 0;
+}
+
+void netsec_pre_init_microengine(struct netsec_priv *priv)
+{
+	u32 data;
+
+	/* Remove dormant settings */
+	data = netsec_get_phy_reg(priv, priv->phy_addr, MII_BMCR);
+	data &= ~BMCR_PDOWN;
+	data |= BMCR_ISOLATE;
+	netsec_set_phy_reg(priv, priv->phy_addr, MII_BMCR, data);
+	mdelay(100);
+
+	/* Put phy in loopback mode to guarantee RXCLK input */
+	data |= BMCR_LOOPBACK;
+	netsec_set_phy_reg(priv, priv->phy_addr, MII_BMCR, data);
+	mdelay(100);
+}
+
+void netsec_post_init_microengine(struct netsec_priv *priv)
+{
+	u32 data;
+
+	/* Get phy back to normal operation */
+	data = netsec_get_phy_reg(priv, priv->phy_addr, MII_BMCR);
+	data &= ~BMCR_LOOPBACK;
+	netsec_set_phy_reg(priv, priv->phy_addr, MII_BMCR, data);
+	mdelay(100);
+
+	/* Apply software reset */
+	data |= BMCR_RESET;
+	netsec_set_phy_reg(priv, priv->phy_addr, MII_BMCR, data);
+	mdelay(100);
+}
+
+static int netsec_reset_hardware(struct netsec_priv *priv, bool load_ucode)
+{
+	u32 value;
+	int err;
+
+	netsec_write_reg(priv, NETSEC_REG_CLK_EN, 0x24);
+
+	/* stop DMA engines */
+	if (!netsec_read_reg(priv, NETSEC_REG_ADDR_DIS_CORE)) {
+		netsec_write_reg(priv, NETSEC_REG_DMA_HM_CTRL,
+				 NETSEC_DMA_CTRL_REG_STOP);
+		netsec_write_reg(priv, NETSEC_REG_DMA_MH_CTRL,
+				 NETSEC_DMA_CTRL_REG_STOP);
+
+		value = 100;
+		while (netsec_read_reg(priv, NETSEC_REG_DMA_HM_CTRL) &
+		       NETSEC_DMA_CTRL_REG_STOP) {
+			udelay(1000);
+			if (--value == 0) {
+				pr_err("%s:%d timeout!\n", __func__, __LINE__);
+				break;
+			}
+		}
+
+		value = 100;
+		while (netsec_read_reg(priv, NETSEC_REG_DMA_MH_CTRL) &
+		       NETSEC_DMA_CTRL_REG_STOP) {
+			udelay(1000);
+			if (--value == 0) {
+				pr_err("%s:%d timeout!\n", __func__, __LINE__);
+				break;
+			}
+		}
+	}
+
+	netsec_set_mac_reg(priv, GMAC_REG_BMR, NETSEC_GMAC_BMR_REG_RESET);
+
+	netsec_write_reg(priv, NETSEC_REG_SOFT_RST, NETSEC_SOFT_RST_REG_RESET);
+	netsec_write_reg(priv, NETSEC_REG_SOFT_RST, NETSEC_SOFT_RST_REG_RUN);
+	netsec_write_reg(priv, NETSEC_REG_COM_INIT, NETSEC_COM_INIT_REG_ALL);
+
+	value = 100;
+	while (netsec_read_reg(priv, NETSEC_REG_COM_INIT) != 0) {
+		udelay(1000);
+		if (--value == 0) {
+			pr_err("%s:%d COM_INIT timeout!\n", __func__, __LINE__);
+			break;
+		}
+	}
+
+	/* MAC desc init */
+	netsec_write_reg(priv, MAC_REG_DESC_INIT, 1);
+	netsec_wait_while_busy(priv, MAC_REG_DESC_INIT, 1);
+	/* set MAC_INTF_SEL */
+	netsec_write_reg(priv, MAC_REG_INTF_SEL, 1);
+
+	netsec_write_reg(priv, NETSEC_REG_CLK_EN, 1 << 5);
+
+	/* set desc_start addr */
+	netsec_write_reg(priv, NETSEC_REG_NRM_RX_DESC_START_UP,
+			 upper_32_bits((dma_addr_t)priv->rxde));
+	netsec_write_reg(priv, NETSEC_REG_NRM_RX_DESC_START_LW,
+			 lower_32_bits((dma_addr_t)priv->rxde));
+
+	netsec_write_reg(priv, NETSEC_REG_NRM_TX_DESC_START_UP,
+			 upper_32_bits((dma_addr_t)priv->txde));
+	netsec_write_reg(priv, NETSEC_REG_NRM_TX_DESC_START_LW,
+			 lower_32_bits((dma_addr_t)priv->txde));
+
+	/* set normal tx dring ring config */
+	netsec_write_reg(priv, NETSEC_REG_NRM_TX_CONFIG,
+			 1 << NETSEC_REG_DESC_ENDIAN);
+	netsec_write_reg(priv, NETSEC_REG_NRM_RX_CONFIG,
+			 1 << NETSEC_REG_DESC_ENDIAN);
+
+	if (load_ucode) {
+		err = netsec_netdev_load_microcode(priv);
+		if (err) {
+			pr_err("%s: failed to load microcode (%d)\n",
+			       __func__, err);
+			return err;
+		}
+	}
+
+	/* set desc_start addr */
+	netsec_write_reg(priv, NETSEC_REG_NRM_RX_DESC_START_UP,
+			 upper_32_bits((dma_addr_t)priv->rxde));
+	netsec_write_reg(priv, NETSEC_REG_NRM_RX_DESC_START_LW,
+			 lower_32_bits((dma_addr_t)priv->rxde));
+
+	netsec_write_reg(priv, NETSEC_REG_NRM_TX_DESC_START_UP,
+			 upper_32_bits((dma_addr_t)priv->txde));
+	netsec_write_reg(priv, NETSEC_REG_NRM_TX_DESC_START_LW,
+			 lower_32_bits((dma_addr_t)priv->txde));
+
+	netsec_write_reg(priv, NETSEC_REG_CLK_EN, 1 << 5);
+
+	/* start DMA engines */
+	netsec_write_reg(priv, NETSEC_REG_DMA_TMR_CTRL, priv->freq / 1000000 - 1);
+
+	netsec_pre_init_microengine(priv);
+
+	netsec_write_reg(priv, NETSEC_REG_ADDR_DIS_CORE, 0);
+
+	mdelay(100);
+
+	if (!(netsec_read_reg(priv, NETSEC_REG_TOP_STATUS) &
+	      NETSEC_TOP_IRQ_REG_ME_START)) {
+		pr_err("microengine start failed\n");
+		return -ENXIO;
+	}
+
+	netsec_post_init_microengine(priv);
+
+	/* clear microcode load end status */
+	netsec_write_reg(priv, NETSEC_REG_TOP_STATUS,
+			 NETSEC_TOP_IRQ_REG_ME_START);
+
+	netsec_write_reg(priv, NETSEC_REG_CLK_EN, 1 << 5);
+
+	value = netsec_read_reg(priv, NETSEC_REG_PKT_CTRL);
+	value |= NETSEC_PKT_CTRL_REG_MODE_NRM;
+	/* change to normal mode */
+	netsec_write_reg(priv, NETSEC_REG_DMA_MH_CTRL, MH_CTRL__MODE_TRANS);
+	netsec_write_reg(priv, NETSEC_REG_PKT_CTRL, value);
+
+	value = 100;
+	while ((netsec_read_reg(priv, NETSEC_REG_MODE_TRANS_COMP_STATUS) &
+		NETSEC_MODE_TRANS_COMP_IRQ_T2N) == 0) {
+		udelay(1000);
+		if (--value == 0) {
+			value = netsec_read_reg(priv, NETSEC_REG_MODE_TRANS_COMP_STATUS);
+			pr_err("%s:%d timeout! val=%x\n", __func__, __LINE__, value);
+			break;
+		}
+	}
+
+	/* clear any pending EMPTY/ERR irq status */
+	netsec_write_reg(priv, NETSEC_REG_NRM_TX_STATUS, ~0);
+
+	/* Disable TX & RX intr */
+	netsec_write_reg(priv, NETSEC_REG_INTEN_CLR, ~0);
+
+	return 0;
+}
+
+static void netsec_stop(struct udevice *dev)
+{
+	struct netsec_priv *priv = dev_get_priv(dev);
+
+	netsec_write_reg(priv, NETSEC_REG_ADDR_DIS_CORE, 7);
+	netsec_stop_gmac(priv);
+	phy_shutdown(priv->phydev);
+	netsec_reset_hardware(priv, false);
+}
+
+static int netsec_start(struct udevice *dev)
+{
+	struct netsec_priv *priv = dev_get_priv(dev);
+	int i;
+
+	phy_startup(priv->phydev);
+	netsec_start_gmac(priv);
+
+	priv->rxat = 0;
+	for (i = 0; i < PKTBUFSRX; i++)
+		netsec_set_rx_de(priv, i, net_rx_packets[i]);
+
+	return 0;
+}
+
+static int netsec_of_to_plat(struct udevice *dev)
+{
+	struct eth_pdata *pdata = dev_get_plat(dev);
+	struct netsec_priv *priv = dev_get_priv(dev);
+	struct ofnode_phandle_args phandle_args;
+	const char *phy_mode;
+
+	pdata->iobase = dev_read_addr_index(dev, 0);
+	priv->eeprom_base = dev_read_addr_index(dev, 1) - EERPROM_MAP_OFFSET;
+
+	pdata->phy_interface = -1;
+	phy_mode = dev_read_prop(dev, "phy-mode", NULL);
+	if (phy_mode)
+		pdata->phy_interface = phy_get_interface_by_name(phy_mode);
+	if (pdata->phy_interface == -1) {
+		pr_err("%s: Invalid PHY interface '%s'\n", __func__, phy_mode);
+		return -EINVAL;
+	}
+
+	if (!dev_read_phandle_with_args(dev, "phy-handle", NULL, 0, 0,
+					&phandle_args))
+		priv->phy_addr = ofnode_read_u32_default(phandle_args.node, "reg", 7);
+	else
+		priv->phy_addr = 7;
+
+	pdata->max_speed = dev_read_u32_default(dev, "max-speed", SPEED_1000);
+
+	priv->ioaddr = pdata->iobase;
+	priv->phy_mode = pdata->phy_interface;
+	priv->max_speed = pdata->max_speed;
+	priv->freq = 250000000UL;
+
+	return 0;
+}
+
+#define SMMU_SCR0_SHCFG_INNER             (0x2 << 22)
+#define SMMU_SCR0_MTCFG                   (0x1 << 20)
+#define SMMU_SCR0_MEMATTR_INNER_OUTER_WB  (0xf << 16)
+
+static int netsec_probe(struct udevice *dev)
+{
+	struct netsec_priv *priv = dev_get_priv(dev);
+	int ret;
+
+	writel(SMMU_SCR0_SHCFG_INNER | SMMU_SCR0_MTCFG | SMMU_SCR0_MEMATTR_INNER_OUTER_WB,
+	       (phys_addr_t)0x52E00000);
+
+	netsec_reset_hardware(priv, true);
+
+	ret = netsec_mdiobus_init(priv, dev->name);
+	if (ret) {
+		pr_err("Failed to initialize mdiobus: %d\n", ret);
+		return ret;
+	}
+
+	priv->bus = miiphy_get_dev_by_name(dev->name);
+
+	ret = netsec_phy_init(priv, dev);
+	if (ret) {
+		pr_err("Failed to initialize phy: %d\n", ret);
+		goto out_mdiobus_release;
+	}
+
+	return 0;
+out_mdiobus_release:
+	mdio_unregister(priv->bus);
+	mdio_free(priv->bus);
+	return ret;
+}
+
+static int netsec_remove(struct udevice *dev)
+{
+	struct netsec_priv *priv = dev_get_priv(dev);
+
+	free(priv->phydev);
+	mdio_unregister(priv->bus);
+	mdio_free(priv->bus);
+
+	return 0;
+}
+
+static const struct eth_ops netsec_ops = {
+	.start        = netsec_start,
+	.stop         = netsec_stop,
+	.send         = netsec_send,
+	.recv         = netsec_recv,
+	.free_pkt     = netsec_free_packet,
+	.read_rom_hwaddr = netsec_read_rom_hwaddr,
+};
+
+static const struct udevice_id netsec_ids[] = {
+	{
+		.compatible = "socionext,synquacer-netsec",
+	},
+	{}
+};
+
+U_BOOT_DRIVER(ave) = {
+	.name     = "synquacer_netsec",
+	.id       = UCLASS_ETH,
+	.of_match = netsec_ids,
+	.probe	  = netsec_probe,
+	.remove	  = netsec_remove,
+	.of_to_plat = netsec_of_to_plat,
+	.ops	  = &netsec_ops,
+	.priv_auto	= sizeof(struct netsec_priv),
+	.plat_auto	= sizeof(struct eth_pdata),
+};