[PATCH v2 1/3] net: cortina_ni: Add eth support for Cortina Access CAxxxx SoCs
Alex Nemirovsky
Alex.Nemirovsky at cortina-access.com
Thu Sep 24 03:00:25 CEST 2020
Tom,
v3 submitted after Abbie reviewed and updated per your request.
> On Sep 10, 2020, at 4:54 PM, Tom Rini <trini at konsulko.com> wrote:
>
> On Thu, Sep 10, 2020 at 11:18:46PM +0000, Alex Nemirovsky wrote:
>
>> bump.
>
> Sorry, I've meant to reply on some of this. Please fix the usage of
> ca_status_t and use the normal errno values. Make sure that
> checkpatch.pl is happy about formatting, etc. Please also check for
> existing standard structs, etc, that can be used rather than creating
> new ones.
>
>>
>>> On Jul 30, 2020, at 12:05 PM, Alex Nemirovsky <alex.nemirovsky at cortina-access.com> wrote:
>>>
>>> From: Aaron Tseng <aaron.tseng at cortina-access.com>
>>>
>>> Add Cortina Access Ethernet device driver for CAxxxx SoCs.
>>> This driver supports both legacy and DM_ETH network models.
>>>
>>> Signed-off-by: Aaron Tseng <aaron.tseng at cortina-access.com>
>>> Signed-off-by: Alex Nemirovsky <alex.nemirovsky at cortina-access.com>
>>> Signed-off-by: Abbie Chang <abbie.chang at cortina-access.com>
>>>
>>> CC: Joe Hershberger <joe.hershberger at ni.com>
>>> CC: Abbie Chang <abbie.chang at Cortina-Access.com>
>>> CC: Tom Rini <trini at konsulko.com>
>>>
>>> ---
>>>
>>> Changes in v2:
>>> - clean up old debug code
>>> - reference CRC functions already provided in u-boot core
>>> - remove unused code, ex: CA_IN/CA_OUT
>>> - refactor the design of register read/write, union -> struct
>>> - remove platform dependent code
>>>
>>> MAINTAINERS | 4 +
>>> drivers/net/Kconfig | 7 +
>>> drivers/net/Makefile | 1 +
>>> drivers/net/cortina_ni.c | 1168 ++++++++++++++++++++++++++++++++++++++++++++++
>>> drivers/net/cortina_ni.h | 435 +++++++++++++++++
>>> 5 files changed, 1615 insertions(+)
>>> create mode 100644 drivers/net/cortina_ni.c
>>> create mode 100644 drivers/net/cortina_ni.h
>>>
>>> diff --git a/MAINTAINERS b/MAINTAINERS
>>> index db8cecd..272caca 100644
>>> --- a/MAINTAINERS
>>> +++ b/MAINTAINERS
>>> @@ -182,6 +182,8 @@ F: drivers/gpio/cortina_gpio.c
>>> F: drivers/watchdog/cortina_wdt.c
>>> F: drivers/serial/serial_cortina.c
>>> F: drivers/mmc/ca_dw_mmc.c
>>> +F: drivers/net/cortina_ni.c
>>> +F: drivers/net/cortina_ni.h
>>>
>>> ARM/CZ.NIC TURRIS MOX SUPPORT
>>> M: Marek Behun <marek.behun at nic.cz>
>>> @@ -738,6 +740,8 @@ F: drivers/gpio/cortina_gpio.c
>>> F: drivers/watchdog/cortina_wdt.c
>>> F: drivers/serial/serial_cortina.c
>>> F: drivers/mmc/ca_dw_mmc.c
>>> +F: drivers/net/cortina_ni.c
>>> +F: drivers/net/cortina_ni.h
>>>
>>> MIPS MSCC
>>> M: Gregory CLEMENT <gregory.clement at bootlin.com>
>>> diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
>>> index bb23f73..616d238 100644
>>> --- a/drivers/net/Kconfig
>>> +++ b/drivers/net/Kconfig
>>> @@ -149,6 +149,13 @@ config BCMGENET
>>> help
>>> This driver supports the BCMGENET Ethernet MAC.
>>>
>>> +config CORTINA_NI_ENET
>>> + bool "Cortina-Access Ethernet driver"
>>> + depends on DM_ETH && CORTINA_PLATFORM
>>> + help
>>> + This driver supports the Cortina-Access Ethernet MAC for
>>> + all supported CAxxxx SoCs.
>>> +
>>> config DWC_ETH_QOS
>>> bool "Synopsys DWC Ethernet QOS device support"
>>> depends on DM_ETH
>>> diff --git a/drivers/net/Makefile b/drivers/net/Makefile
>>> index 383ed1c..1d6ec4f 100644
>>> --- a/drivers/net/Makefile
>>> +++ b/drivers/net/Makefile
>>> @@ -14,6 +14,7 @@ obj-$(CONFIG_DRIVER_AX88180) += ax88180.o
>>> obj-$(CONFIG_BCM_SF2_ETH) += bcm-sf2-eth.o
>>> obj-$(CONFIG_BCM_SF2_ETH_GMAC) += bcm-sf2-eth-gmac.o
>>> obj-$(CONFIG_CALXEDA_XGMAC) += calxedaxgmac.o
>>> +obj-$(CONFIG_CORTINA_NI_ENET) += cortina_ni.o
>>> obj-$(CONFIG_CS8900) += cs8900.o
>>> obj-$(CONFIG_TULIP) += dc2114x.o
>>> obj-$(CONFIG_ETH_DESIGNWARE) += designware.o
>>> diff --git a/drivers/net/cortina_ni.c b/drivers/net/cortina_ni.c
>>> new file mode 100644
>>> index 0000000..7acfa6a
>>> --- /dev/null
>>> +++ b/drivers/net/cortina_ni.c
>>> @@ -0,0 +1,1168 @@
>>> +// SPDX-License-Identifier: GPL-2.0+
>>> +
>>> +/*
>>> + * Copyright (C) 2020 Cortina Access Inc.
>>> + * Author: Aaron Tseng <aaron.tseng at cortina-access.com>
>>> + *
>>> + * Ethernet MAC Driver for all supported CAxxxx SoCs
>>> + */
>>> +
>>> +#include <common.h>
>>> +#include <command.h>
>>> +#include <malloc.h>
>>> +#include <net.h>
>>> +#include <miiphy.h>
>>> +#include <env.h>
>>> +#include <linux/delay.h>
>>> +#include <u-boot/crc.h>
>>> +#include <led.h>
>>> +
>>> +#include "cortina_ni.h"
>>> +
>>> +#define HEADER_A_SIZE 8
>>> +
>>> +enum ca_led_state_t {
>>> + CA_LED_OFF = 0,
>>> + CA_LED_ON = 1,
>>> +};
>>> +
>>> +static struct udevice *curr_dev;
>>> +static int ca_ni_ofdata_to_platdata(struct udevice *dev);
>>> +
>>> +static u32 *rdwrptr_adv_one(u32 *x, unsigned long base, unsigned long max)
>>> +{
>>> + if (x + 1 >= (u32 *)max)
>>> + return (u32 *)base;
>>> + else
>>> + return (x + 1);
>>> +}
>>> +
>>> +static int phyaddr_to_port(int phy_addr)
>>> +{
>>> + int idx;
>>> +
>>> + for (idx = 0; idx < NI_PORT_MAX; idx++)
>>> + if (phy_addr == port_map[idx].phy_addr)
>>> + return port_map[idx].active_port;
>>> + return 0;
>>> +}
>>> +
>>> +static int port_to_phyaddr(int active_port)
>>> +{
>>> + int idx;
>>> +
>>> + for (idx = 0; idx < NI_PORT_MAX; idx++)
>>> + if (active_port == port_map[idx].active_port)
>>> + return port_map[idx].phy_addr;
>>> + return 0;
>>> +}
>>> +
>>> +static u32 REG_TO_U32(void *reg)
>>> +{
>>> + return *(u32 *)reg;
>>> +}
>>> +
>>> +static void ca_reg_read(void *reg, u64 base, u64 offset)
>>> +{
>>> + u32 *val = (u32 *)reg;
>>> +
>>> + *val = readl(KSEG1_ATU_XLAT(base + offset));
>>> +}
>>> +
>>> +static void ca_reg_write(void *reg, u64 base, u64 offset)
>>> +{
>>> + u32 val = *(u32 *)reg;
>>> +
>>> + writel(val, KSEG1_ATU_XLAT(base + offset));
>>> +}
>>> +
>>> +static enum ca_status_t ca_mdio_write_rgmii(unsigned int addr,
>>> + unsigned int offset,
>>> + unsigned short data)
>>> +{
>>> + struct PER_MDIO_ADDR_t mdio_addr;
>>> + struct PER_MDIO_CTRL_t mdio_ctrl;
>>> + /* up to 10000 cycles*/
>>> + unsigned int loop_wait = __MDIO_ACCESS_TIMEOUT;
>>> + struct cortina_ni_priv *priv = dev_get_priv(curr_dev);
>>> +
>>> + memset(&mdio_addr, 0, sizeof(mdio_addr));
>>> + mdio_addr.mdio_addr = addr;
>>> + mdio_addr.mdio_offset = offset;
>>> + mdio_addr.mdio_rd_wr = __MDIO_WR_FLAG;
>>> + ca_reg_write(&mdio_addr, (u64)priv->per_mdio_base_addr,
>>> + PER_MDIO_ADDR_OFFSET);
>>> + ca_reg_write(&data, (u64)priv->per_mdio_base_addr,
>>> + PER_MDIO_WRDATA_OFFSET);
>>> +
>>> + debug("%s: mdio_addr=0x%x\n", __func__, REG_TO_U32(&mdio_addr));
>>> +
>>> + memset(&mdio_ctrl, 0, sizeof(mdio_ctrl));
>>> + mdio_ctrl.mdiostart = 1;
>>> + ca_reg_write(&mdio_ctrl, (u64)priv->per_mdio_base_addr,
>>> + PER_MDIO_CTRL_OFFSET);
>>> +
>>> + debug("%s: phy_addr=%d, offset=%d, data=0x%x\n",
>>> + __func__, addr, offset, data);
>>> +
>>> + do {
>>> + ca_reg_read(&mdio_ctrl, (u64)priv->per_mdio_base_addr,
>>> + PER_MDIO_CTRL_OFFSET);
>>> + if (mdio_ctrl.mdiodone) {
>>> + ca_reg_write(&mdio_ctrl, (u64)priv->per_mdio_base_addr,
>>> + PER_MDIO_CTRL_OFFSET);
>>> + return CA_E_OK;
>>> + }
>>> + } while (--loop_wait);
>>> +
>>> + printf("%s: PHY write timeout!!!\n", __func__);
>>> + return CA_E_TIMEOUT;
>>> +}
>>> +
>>> +enum ca_status_t ca_mdio_write(unsigned int addr,
>>> + unsigned int offset,
>>> + unsigned short data)
>>> +{
>>> + u32 reg_addr, reg_val;
>>> + struct NI_MDIO_OPER_T mdio_oper;
>>> +
>>> + /* support range: 1~31*/
>>> + if (addr < CA_MDIO_ADDR_MIN || addr > CA_MDIO_ADDR_MAX)
>>> + return CA_E_PARAM;
>>> +
>>> + /* the phy addr 5 is connect to RGMII */
>>> + if (addr >= 5)
>>> + return ca_mdio_write_rgmii(addr, offset, data);
>>> +
>>> + memset(&mdio_oper, 0, sizeof(mdio_oper));
>>> + mdio_oper.reg_off = offset;
>>> + mdio_oper.phy_addr = addr;
>>> + mdio_oper.reg_base = CA_NI_MDIO_REG_BASE;
>>> + reg_val = data;
>>> + memcpy(®_addr, &mdio_oper, sizeof(reg_addr));
>>> + ca_reg_write(®_val, (u64)reg_addr, 0);
>>> +
>>> + debug("%s: mdio_oper=0x%x, data=0x%x\n",
>>> + __func__, REG_TO_U32(&mdio_oper), data);
>>> + return CA_E_OK;
>>> +}
>>> +
>>> +static enum ca_status_t ca_mdio_read_rgmii(unsigned int addr,
>>> + unsigned int offset,
>>> + unsigned short *data)
>>> +{
>>> + struct PER_MDIO_ADDR_t mdio_addr;
>>> + struct PER_MDIO_CTRL_t mdio_ctrl;
>>> + struct PER_MDIO_RDDATA_t read_data;
>>> + unsigned int loop_wait = __MDIO_ACCESS_TIMEOUT;
>>> + struct cortina_ni_priv *priv = dev_get_priv(curr_dev);
>>> +
>>> + memset(&mdio_addr, 0, sizeof(mdio_addr));
>>> + mdio_addr.mdio_addr = addr;
>>> + mdio_addr.mdio_offset = offset;
>>> + mdio_addr.mdio_rd_wr = __MDIO_RD_FLAG;
>>> + ca_reg_write(&mdio_addr, (u64)priv->per_mdio_base_addr,
>>> + PER_MDIO_ADDR_OFFSET);
>>> +
>>> + memset(&mdio_ctrl, 0, sizeof(mdio_ctrl));
>>> + mdio_ctrl.mdiostart = 1;
>>> + ca_reg_write(&mdio_ctrl, (u64)priv->per_mdio_base_addr,
>>> + PER_MDIO_CTRL_OFFSET);
>>> +
>>> + do {
>>> + ca_reg_read(&mdio_ctrl, (u64)priv->per_mdio_base_addr,
>>> + PER_MDIO_CTRL_OFFSET);
>>> + if (mdio_ctrl.mdiodone) {
>>> + ca_reg_write(&mdio_ctrl, (u64)priv->per_mdio_base_addr,
>>> + PER_MDIO_CTRL_OFFSET);
>>> + ca_reg_read(&read_data, (u64)priv->per_mdio_base_addr,
>>> + PER_MDIO_RDDATA_OFFSET);
>>> + *data = read_data.mdio_rddata;
>>> + return CA_E_OK;
>>> + }
>>> + } while (--loop_wait);
>>> +
>>> + printf("%s: CA_E_TIMEOUT!!\n", __func__);
>>> + return CA_E_TIMEOUT;
>>> +}
>>> +
>>> +enum ca_status_t ca_mdio_read(unsigned int addr,
>>> + unsigned int offset,
>>> + unsigned short *data)
>>> +{
>>> + u32 reg_addr, reg_val;
>>> + struct NI_MDIO_OPER_T mdio_oper;
>>> +
>>> + if (!data)
>>> + return CA_E_PARAM;
>>> +
>>> + /* support range: 1~31*/
>>> + if (addr < CA_MDIO_ADDR_MIN || addr > CA_MDIO_ADDR_MAX)
>>> + return CA_E_PARAM;
>>> +
>>> + /* the phy addr 5 is connect to RGMII */
>>> + if (addr >= 5)
>>> + return ca_mdio_read_rgmii(addr, offset, data);
>>> +
>>> + memset(&mdio_oper, 0, sizeof(mdio_oper));
>>> + mdio_oper.reg_off = offset;
>>> + mdio_oper.phy_addr = addr;
>>> + mdio_oper.reg_base = CA_NI_MDIO_REG_BASE;
>>> + reg_val = *data;
>>> + memcpy(®_addr, &mdio_oper, sizeof(reg_addr));
>>> + ca_reg_read(®_val, (u64)reg_addr, 0);
>>> + *data = reg_val;
>>> + return CA_E_OK;
>>> +}
>>> +
>>> +int ca_miiphy_read(const char *devname,
>>> + unsigned char addr,
>>> + unsigned char reg,
>>> + unsigned short *value)
>>> +{
>>> + return ca_mdio_read(addr, reg, value);
>>> +}
>>> +
>>> +int ca_miiphy_write(const char *devname,
>>> + unsigned char addr,
>>> + unsigned char reg,
>>> + unsigned short value)
>>> +{
>>> + return ca_mdio_write(addr, reg, value);
>>> +}
>>> +
>>> +static int cortina_mdio_read(struct mii_dev *bus, int addr, int devad, int reg)
>>> +{
>>> + unsigned short data;
>>> +
>>> + ca_mdio_read(addr, reg, &data);
>>> + return data;
>>> +}
>>> +
>>> +static int cortina_mdio_write(struct mii_dev *bus, int addr, int devad, int reg,
>>> + u16 val)
>>> +{
>>> + ca_mdio_write(addr, reg, val);
>>> + return 0;
>>> +}
>>> +
>>> +static void ca_ni_setup_mac_addr(void)
>>> +{
>>> + unsigned char mac[6];
>>> +
>>> + struct NI_HV_GLB_MAC_ADDR_CFG0_t mac_addr_cfg0;
>>> + struct NI_HV_GLB_MAC_ADDR_CFG1_t mac_addr_cfg1;
>>> + struct NI_HV_PT_PORT_STATIC_CFG_t port_static_cfg;
>>> + struct NI_HV_XRAM_CPUXRAM_CFG_t cpuxram_cfg;
>>> + struct cortina_ni_priv *priv = dev_get_priv(curr_dev);
>>> +
>>> + /* parsing ethaddr and set to NI registers. */
>>> + if (eth_env_get_enetaddr("ethaddr", mac)) {
>>> + /* The complete MAC address consists of
>>> + * {MAC_ADDR0_mac_addr0[0-3], MAC_ADDR1_mac_addr1[4],
>>> + * PT_PORT_STATIC_CFG_mac_addr6[5]}.
>>> + */
>>> + mac_addr_cfg0.mac_addr0 = (mac[0] << 24) + (mac[1] << 16) +
>>> + (mac[2] << 8) + mac[3];
>>> + ca_reg_write(&mac_addr_cfg0, (u64)priv->ni_hv_base_addr,
>>> + NI_HV_GLB_MAC_ADDR_CFG0_OFFSET);
>>> +
>>> + memset(&mac_addr_cfg1, 0, sizeof(mac_addr_cfg1));
>>> + mac_addr_cfg1.mac_addr1 = mac[4];
>>> + ca_reg_write(&mac_addr_cfg1, (u64)priv->ni_hv_base_addr,
>>> + NI_HV_GLB_MAC_ADDR_CFG1_OFFSET);
>>> +
>>> + ca_reg_read(&port_static_cfg, (u64)priv->ni_hv_base_addr,
>>> + NI_HV_PT_PORT_STATIC_CFG_OFFSET +
>>> + (APB0_NI_HV_PT_STRIDE * active_port));
>>> +
>>> + port_static_cfg.mac_addr6 = mac[5];
>>> + ca_reg_write(&port_static_cfg, (u64)priv->ni_hv_base_addr,
>>> + NI_HV_PT_PORT_STATIC_CFG_OFFSET +
>>> + (APB0_NI_HV_PT_STRIDE * active_port));
>>> +
>>> + /* received only Broadcast and Address matched packets */
>>> + ca_reg_read(&cpuxram_cfg, (u64)priv->ni_hv_base_addr,
>>> + NI_HV_XRAM_CPUXRAM_CFG_OFFSET);
>>> + cpuxram_cfg.xram_mgmt_promisc_mode = 0;
>>> + cpuxram_cfg.rx_0_cpu_pkt_dis = 0;
>>> + cpuxram_cfg.tx_0_cpu_pkt_dis = 0;
>>> + ca_reg_write(&cpuxram_cfg, (u64)priv->ni_hv_base_addr,
>>> + NI_HV_XRAM_CPUXRAM_CFG_OFFSET);
>>> + } else {
>>> + /* received all packets(promiscuous mode) */
>>> + ca_reg_read(&cpuxram_cfg, (u64)priv->ni_hv_base_addr,
>>> + NI_HV_XRAM_CPUXRAM_CFG_OFFSET);
>>> + cpuxram_cfg.xram_mgmt_promisc_mode = 3;
>>> + cpuxram_cfg.rx_0_cpu_pkt_dis = 0;
>>> + cpuxram_cfg.tx_0_cpu_pkt_dis = 0;
>>> + ca_reg_write(&cpuxram_cfg, (u64)priv->ni_hv_base_addr,
>>> + NI_HV_XRAM_CPUXRAM_CFG_OFFSET);
>>> + }
>>> +}
>>> +
>>> +static void ca_ni_enable_tx_rx(void)
>>> +{
>>> + struct NI_HV_PT_RXMAC_CFG_t rxmac_cfg;
>>> + struct NI_HV_PT_TXMAC_CFG_t txmac_cfg;
>>> +
>>> + struct cortina_ni_priv *priv = dev_get_priv(curr_dev);
>>> +
>>> + /* Enable TX and RX functions */
>>> + ca_reg_read(&rxmac_cfg, (u64)priv->ni_hv_base_addr,
>>> + NI_HV_PT_RXMAC_CFG_OFFSET +
>>> + (APB0_NI_HV_PT_STRIDE * active_port));
>>> + rxmac_cfg.rx_en = 1;
>>> + ca_reg_write(&rxmac_cfg, (u64)priv->ni_hv_base_addr,
>>> + NI_HV_PT_RXMAC_CFG_OFFSET +
>>> + (APB0_NI_HV_PT_STRIDE * active_port));
>>> +
>>> + ca_reg_read(&txmac_cfg, (u64)priv->ni_hv_base_addr,
>>> + NI_HV_PT_TXMAC_CFG_OFFSET +
>>> + (APB0_NI_HV_PT_STRIDE * active_port));
>>> + txmac_cfg.tx_en = 1;
>>> + ca_reg_write(&txmac_cfg, (u64)priv->ni_hv_base_addr,
>>> + NI_HV_PT_TXMAC_CFG_OFFSET +
>>> + (APB0_NI_HV_PT_STRIDE * active_port));
>>> +}
>>> +
>>> +#define AUTO_SCAN_TIMEOUT 3000 /* 3 seconds */
>>> +__weak int ca_ni_auto_scan_active_port(void)
>>> +{
>>> + u8 phy_addr;
>>> + u32 start_time;
>>> + unsigned short data;
>>> +
>>> + start_time = get_timer(0);
>>> + while (get_timer(start_time) < AUTO_SCAN_TIMEOUT) {
>>> + phy_addr = 1;
>>> + for (; phy_addr < 6; phy_addr++) {
>>> + ca_mdio_read(phy_addr, 1, &data);
>>> + if (data & 0x04) {
>>> + active_port = phyaddr_to_port(phy_addr);
>>> + return 0;
>>> + }
>>> + }
>>> + }
>>> +
>>> + printf("%s: auto scan active_port timeout.\n", __func__);
>>> + return -1;
>>> +}
>>> +
>>> +__weak int invalid_active_port(int port)
>>> +{
>>> + if (active_port < NI_PORT_0 || active_port > NI_PORT_4)
>>> + return -1;
>>> + else
>>> + return 0;
>>> +}
>>> +
>>> +static int ca_phy_probe(struct udevice *dev)
>>> +{
>>> + struct cortina_ni_priv *priv = dev_get_priv(dev);
>>> + struct phy_device *int_phydev, *ext_phydev;
>>> + int auto_scan_active_port = 0, tmp_port;
>>> + char *buf;
>>> +
>>> + /* Initialize internal phy device */
>>> + int_phydev = phy_connect(priv->mdio_bus, port_to_phyaddr(NI_PORT_3),
>>> + dev, priv->phy_interface);
>>> + if (int_phydev) {
>>> + int_phydev->supported &= PHY_GBIT_FEATURES;
>>> + int_phydev->advertising = int_phydev->supported;
>>> + phy_config(int_phydev);
>>> + } else {
>>> + printf("%s: There is no internal phy device\n", __func__);
>>> + }
>>> +
>>> + /* Initialize external phy device */
>>> + ext_phydev = phy_connect(priv->mdio_bus, port_to_phyaddr(NI_PORT_4),
>>> + dev, priv->phy_interface);
>>> + if (ext_phydev) {
>>> + ext_phydev->supported &= PHY_GBIT_FEATURES;
>>> + ext_phydev->advertising = int_phydev->supported;
>>> + phy_config(ext_phydev);
>>> + } else {
>>> + printf("%s: There is no external phy device\n", __func__);
>>> + }
>>> +
>>> + /* auto scan the first link up port as active_port */
>>> + buf = env_get("auto_scan_active_port");
>>> + if (buf != 0) {
>>> + auto_scan_active_port = simple_strtoul(buf, NULL, 0);
>>> + printf("%s: auto_scan_active_port=%d\n", __func__,
>>> + auto_scan_active_port);
>>> + }
>>> +
>>> + if (auto_scan_active_port) {
>>> + ca_ni_auto_scan_active_port();
>>> + } else {
>>> + buf = env_get("active_port");
>>> + if (buf != 0) {
>>> + tmp_port = simple_strtoul(buf, NULL, 0);
>>> + if (invalid_active_port(active_port)) {
>>> + printf("ERROR: doesn't support this port.");
>>> + free(dev);
>>> + free(priv);
>>> + return 1;
>>> + }
>>> +
>>> + active_port = tmp_port;
>>> + }
>>> + }
>>> +
>>> + printf("%s: active_port=%d\n", __func__, active_port);
>>> + if (active_port == NI_PORT_4)
>>> + priv->phydev = ext_phydev;
>>> + else
>>> + priv->phydev = int_phydev;
>>> +
>>> + return 0;
>>> +}
>>> +
>>> +static void ca_ni_led(int port, int status)
>>> +{
>>> + struct udevice *led_dev;
>>> + char label[10];
>>> +
>>> + if (IS_ENABLED(CONFIG_LED_CORTINA)) {
>>> + snprintf(label, sizeof(label), "led%d", port);
>>> + debug("%s: set port %d led %s.\n",
>>> + __func__, port, status ? "on" : "off");
>>> + led_get_by_label(label, &led_dev);
>>> + led_set_state(led_dev, status);
>>> + }
>>> +}
>>> +
>>> +static void cortina_ni_reset(void)
>>> +{
>>> + int i;
>>> + struct NI_HV_GLB_INIT_DONE_t init_done;
>>> + struct NI_HV_GLB_INTF_RST_CONFIG_t intf_rst_config;
>>> + struct NI_HV_GLB_STATIC_CFG_t static_cfg;
>>> + struct GLOBAL_BLOCK_RESET_t glb_blk_reset;
>>> +
>>> + struct cortina_ni_priv *priv = dev_get_priv(curr_dev);
>>> +
>>> + /* NI global resets */
>>> + ca_reg_read(&glb_blk_reset, (u64)priv->glb_base_addr,
>>> + GLOBAL_BLOCK_RESET_OFFSET);
>>> + glb_blk_reset.reset_ni = 1;
>>> + ca_reg_write(&glb_blk_reset, (u64)priv->glb_base_addr,
>>> + GLOBAL_BLOCK_RESET_OFFSET);
>>> + /* Remove resets */
>>> + glb_blk_reset.reset_ni = 0;
>>> + ca_reg_write(&glb_blk_reset, (u64)priv->glb_base_addr,
>>> + GLOBAL_BLOCK_RESET_OFFSET);
>>> +
>>> + /* check the ready bit of NI module */
>>> + for (i = 0; i < NI_READ_POLL_COUNT; i++) {
>>> + ca_reg_read(&init_done, (u64)priv->ni_hv_base_addr,
>>> + NI_HV_GLB_INIT_DONE_OFFSET);
>>> + if (init_done.ni_init_done)
>>> + break;
>>> + }
>>> + if (i == NI_READ_POLL_COUNT) {
>>> + printf("%s: NI init done not ready, init_done=0x%x!!!\n",
>>> + __func__, init_done.ni_init_done);
>>> + }
>>> +
>>> + ca_reg_read(&intf_rst_config, (u64)priv->ni_hv_base_addr,
>>> + NI_HV_GLB_INTF_RST_CONFIG_OFFSET);
>>> + switch (active_port) {
>>> + case NI_PORT_0:
>>> + intf_rst_config.intf_rst_p0 = 0;
>>> + intf_rst_config.mac_rx_rst_p0 = 0;
>>> + intf_rst_config.mac_tx_rst_p0 = 0;
>>> + break;
>>> + case NI_PORT_1:
>>> + intf_rst_config.intf_rst_p1 = 0;
>>> + intf_rst_config.mac_rx_rst_p1 = 0;
>>> + intf_rst_config.mac_tx_rst_p1 = 0;
>>> + break;
>>> + case NI_PORT_2:
>>> + intf_rst_config.intf_rst_p2 = 0;
>>> + intf_rst_config.mac_rx_rst_p2 = 0;
>>> + intf_rst_config.mac_tx_rst_p2 = 0;
>>> + break;
>>> + case NI_PORT_3:
>>> + intf_rst_config.intf_rst_p3 = 0;
>>> + intf_rst_config.mac_tx_rst_p3 = 0;
>>> + intf_rst_config.mac_rx_rst_p3 = 0;
>>> + break;
>>> + case NI_PORT_4:
>>> + intf_rst_config.intf_rst_p4 = 0;
>>> + intf_rst_config.mac_tx_rst_p4 = 0;
>>> + intf_rst_config.mac_rx_rst_p4 = 0;
>>> + break;
>>> + }
>>> +
>>> + ca_reg_write(&intf_rst_config, (u64)priv->ni_hv_base_addr,
>>> + NI_HV_GLB_INTF_RST_CONFIG_OFFSET);
>>> +
>>> + /* Only one GMAC can connect to CPU */
>>> + ca_reg_read(&static_cfg, (u64)priv->ni_hv_base_addr,
>>> + NI_HV_GLB_STATIC_CFG_OFFSET);
>>> + static_cfg.port_to_cpu = active_port;
>>> + static_cfg.txmib_mode = 1;
>>> + static_cfg.rxmib_mode = 1;
>>> +
>>> + ca_reg_write(&static_cfg, (u64)priv->ni_hv_base_addr,
>>> + NI_HV_GLB_STATIC_CFG_OFFSET);
>>> +}
>>> +
>>> +static int cortina_ni_init(struct udevice *dev)
>>> +{
>>> + int ret;
>>> + struct NI_HV_XRAM_CPUXRAM_ADRCFG_RX_t cpuxram_adrcfg_rx;
>>> + struct NI_HV_XRAM_CPUXRAM_ADRCFG_TX_0_t cpuxram_adrcfg_tx;
>>> + struct NI_HV_XRAM_CPUXRAM_CFG_t cpuxram_cfg;
>>> + struct NI_HV_PT_PORT_STATIC_CFG_t port_static_cfg;
>>> + struct NI_HV_PT_PORT_GLB_CFG_t port_glb_cfg;
>>> +
>>> + struct cortina_ni_priv *priv = dev_get_priv(dev);
>>> + struct phy_device *phydev = priv->phydev;
>>> +
>>> + ret = phy_startup(priv->phydev);
>>> + if (ret) {
>>> + ca_ni_led(active_port, CA_LED_OFF);
>>> + printf("Could not initialize PHY %s, active_port=%d\n",
>>> + priv->phydev->dev->name, active_port);
>>> + return ret;
>>> + }
>>> +
>>> + if (!priv->phydev->link) {
>>> + printf("%s: link down.\n", priv->phydev->dev->name);
>>> + return 0;
>>> + }
>>> +
>>> + ca_ni_led(active_port, CA_LED_ON);
>>> + printf("PHY ID 0x%08X %dMbps %s duplex\n",
>>> + phydev->phy_id, phydev->speed,
>>> + phydev->duplex == DUPLEX_HALF ? "half" : "full");
>>> +
>>> + /* RX XRAM ADDRESS CONFIG (start and end address) */
>>> + memset(&cpuxram_adrcfg_rx, 0, sizeof(cpuxram_adrcfg_rx));
>>> + cpuxram_adrcfg_rx.rx_top_addr = RX_TOP_ADDR;
>>> + cpuxram_adrcfg_rx.rx_base_addr = RX_BASE_ADDR;
>>> + ca_reg_write(&cpuxram_adrcfg_rx, (u64)priv->ni_hv_base_addr,
>>> + NI_HV_XRAM_CPUXRAM_ADRCFG_RX_OFFSET);
>>> +
>>> + /* TX XRAM ADDRESS CONFIG (start and end address) */
>>> + memset(&cpuxram_adrcfg_tx, 0, sizeof(cpuxram_adrcfg_tx));
>>> + cpuxram_adrcfg_tx.tx_top_addr = TX_TOP_ADDR;
>>> + cpuxram_adrcfg_tx.tx_base_addr = TX_BASE_ADDR;
>>> + ca_reg_write(&cpuxram_adrcfg_tx, (u64)priv->ni_hv_base_addr,
>>> + NI_HV_XRAM_CPUXRAM_ADRCFG_TX_0_OFFSET);
>>> +
>>> + /*
>>> + * Configuration for Management Ethernet Interface:
>>> + * - RGMII 1000 mode or RGMII 100 mode
>>> + * - MAC mode
>>> + */
>>> + ca_reg_read(&port_static_cfg, (u64)priv->ni_hv_base_addr,
>>> + NI_HV_PT_PORT_STATIC_CFG_OFFSET +
>>> + (APB0_NI_HV_PT_STRIDE * active_port));
>>> + if (phydev->speed == SPEED_1000) {
>>> + /* port 4 connects to RGMII PHY */
>>> + if (phydev->addr == 5)
>>> + port_static_cfg.int_cfg = GE_MAC_INTF_RGMII_1000;
>>> + else
>>> + port_static_cfg.int_cfg = GE_MAC_INTF_GMII;
>>> + } else {
>>> + /* port 4 connects to RGMII PHY */
>>> + if (phydev->addr == 5)
>>> + port_static_cfg.int_cfg = GE_MAC_INTF_RGMII_100;
>>> + else
>>> + port_static_cfg.int_cfg = GE_MAC_INTF_MII;
>>> + }
>>> +
>>> + ca_reg_write(&port_static_cfg, (u64)priv->ni_hv_base_addr,
>>> + NI_HV_PT_PORT_STATIC_CFG_OFFSET +
>>> + (APB0_NI_HV_PT_STRIDE * active_port));
>>> +
>>> + ca_reg_read(&port_glb_cfg, (u64)priv->ni_hv_base_addr,
>>> + NI_HV_PT_PORT_GLB_CFG_OFFSET +
>>> + (APB0_NI_HV_PT_STRIDE * active_port));
>>> + port_glb_cfg.speed = phydev->speed == SPEED_10 ? 1 : 0;
>>> + port_glb_cfg.duplex = phydev->duplex == DUPLEX_HALF ? 1 : 0;
>>> + ca_reg_write(&port_glb_cfg, (u64)priv->ni_hv_base_addr,
>>> + NI_HV_PT_PORT_GLB_CFG_OFFSET +
>>> + (APB0_NI_HV_PT_STRIDE * active_port));
>>> +
>>> + /* Need to toggle the tx and rx cpu_pkt_dis bit */
>>> + /* after changing Address config register. */
>>> + ca_reg_read(&cpuxram_cfg, (u64)priv->ni_hv_base_addr,
>>> + NI_HV_XRAM_CPUXRAM_CFG_OFFSET);
>>> + cpuxram_cfg.rx_0_cpu_pkt_dis = 1;
>>> + cpuxram_cfg.tx_0_cpu_pkt_dis = 1;
>>> + ca_reg_write(&cpuxram_cfg, (u64)priv->ni_hv_base_addr,
>>> + NI_HV_XRAM_CPUXRAM_CFG_OFFSET);
>>> +
>>> + ca_reg_read(&cpuxram_cfg, (u64)priv->ni_hv_base_addr,
>>> + NI_HV_XRAM_CPUXRAM_CFG_OFFSET);
>>> + cpuxram_cfg.rx_0_cpu_pkt_dis = 0;
>>> + cpuxram_cfg.tx_0_cpu_pkt_dis = 0;
>>> + ca_reg_write(&cpuxram_cfg, (u64)priv->ni_hv_base_addr,
>>> + NI_HV_XRAM_CPUXRAM_CFG_OFFSET);
>>> +
>>> + ca_ni_enable_tx_rx();
>>> +
>>> + return 0;
>>> +}
>>> +
>>> +/*********************************************
>>> + * Packet receive routine from Management FE
>>> + * Expects a previously allocated buffer and
>>> + * fills the length
>>> + * Retruns 0 on success -1 on failure
>>> + *******************************************/
>>> +int cortina_ni_recv(struct udevice *netdev)
>>> +{
>>> + struct cortina_ni_priv *priv = dev_get_priv(netdev);
>>> + struct NI_HEADER_X_T header_x;
>>> + u32 next_link;
>>> + u32 pktlen = 0;
>>> + u32 sw_rx_rd_ptr;
>>> + u32 hw_rx_wr_ptr;
>>> + u32 *rx_xram_ptr;
>>> + int loop;
>>> + u32 *data_ptr;
>>> + struct NI_PACKET_STATUS packet_status;
>>> + struct NI_HV_XRAM_CPUXRAM_CPU_STA_RX_0_t cpuxram_cpu_sta_rx;
>>> + struct NI_HV_XRAM_CPUXRAM_CPU_CFG_RX_0_t cpuxram_cpu_cfg_rx;
>>> + int index = 0;
>>> + int blk_num;
>>> + u8 *ptr;
>>> +
>>> + /* get the hw write pointer */
>>> + memset(&cpuxram_cpu_sta_rx, 0, sizeof(cpuxram_cpu_sta_rx));
>>> + ca_reg_read(&cpuxram_cpu_sta_rx, (u64)priv->ni_hv_base_addr,
>>> + NI_HV_XRAM_CPUXRAM_CPU_STA_RX_0_OFFSET);
>>> + hw_rx_wr_ptr = cpuxram_cpu_sta_rx.pkt_wr_ptr;
>>> +
>>> + /* get the sw read pointer */
>>> + memset(&cpuxram_cpu_cfg_rx, 0, sizeof(cpuxram_cpu_cfg_rx));
>>> + ca_reg_read(&cpuxram_cpu_cfg_rx, (u64)priv->ni_hv_base_addr,
>>> + NI_HV_XRAM_CPUXRAM_CPU_CFG_RX_0_OFFSET);
>>> + sw_rx_rd_ptr = cpuxram_cpu_cfg_rx.pkt_rd_ptr;
>>> +
>>> + debug("%s: NI_HV_XRAM_CPUXRAM_CPU_STA_RX_0 = 0x%p, ", __func__,
>>> + priv->ni_hv_base_addr + NI_HV_XRAM_CPUXRAM_CPU_STA_RX_0_OFFSET);
>>> + debug("NI_HV_XRAM_CPUXRAM_CPU_CFG_RX_0 = 0x%p\n",
>>> + priv->ni_hv_base_addr + NI_HV_XRAM_CPUXRAM_CPU_CFG_RX_0_OFFSET);
>>> + debug("%s : RX hw_wr_ptr = %d, sw_rd_ptr = %d\n",
>>> + __func__, hw_rx_wr_ptr, sw_rx_rd_ptr);
>>> +
>>> + while (sw_rx_rd_ptr != hw_rx_wr_ptr) {
>>> + /* Point to the absolute memory address of XRAM
>>> + * where read pointer is
>>> + */
>>> + rx_xram_ptr = (u32 *)
>>> + ((unsigned long)NI_XRAM_BASE + sw_rx_rd_ptr * 8);
>>> +
>>> + /* Wrap around if required */
>>> + if (rx_xram_ptr >= (u32 *)(unsigned long)priv->rx_xram_end_adr)
>>> + rx_xram_ptr = (u32 *)
>>> + (unsigned long)priv->rx_xram_base_adr;
>>> +
>>> + /* Checking header XR. Do not update the read pointer yet */
>>> + /* skip unused 32-bit in Header XR */
>>> + rx_xram_ptr = rdwrptr_adv_one(rx_xram_ptr,
>>> + priv->rx_xram_base_adr,
>>> + priv->rx_xram_end_adr);
>>> +
>>> + memcpy(&header_x, rx_xram_ptr, sizeof(header_x));
>>> + next_link = header_x.next_link;
>>> + /* Header XR [31:0] */
>>> +
>>> + if (*rx_xram_ptr == 0xffffffff)
>>> + printf("%s: XRAM Error !\n", __func__);
>>> +
>>> + debug("%s : RX next link 0x%x\n", __func__, next_link);
>>> + debug("%s : bytes_valid %x\n", __func__, header_x.bytes_valid);
>>> +
>>> + if (header_x.ownership == 0) {
>>> + /* point to Packet status [31:0] */
>>> + rx_xram_ptr = rdwrptr_adv_one(rx_xram_ptr,
>>> + priv->rx_xram_base_adr,
>>> + priv->rx_xram_end_adr);
>>> +
>>> + memcpy(&packet_status, rx_xram_ptr,
>>> + sizeof(rx_xram_ptr));
>>> + debug("%s: packet status=0x%x\n",
>>> + __func__, REG_TO_U32(&packet_status));
>>> + if (packet_status.valid == 0) {
>>> + debug("%s: Invalid Packet !!, ", __func__);
>>> + debug("next_link=%d\n", next_link);
>>> +
>>> + /* Update the software read pointer */
>>> + ca_reg_write(&next_link,
>>> + (u64)priv->ni_hv_base_addr,
>>> + NI_HV_XRAM_CPUXRAM_CPU_CFG_RX_0_OFFSET);
>>> + return 0;
>>> + }
>>> +
>>> + if (packet_status.drop ||
>>> + packet_status.runt ||
>>> + packet_status.oversize ||
>>> + packet_status.jabber ||
>>> + packet_status.crc_error ||
>>> + packet_status.jumbo) {
>>> + debug("%s: Error Packet!!, ", __func__);
>>> + debug("next_link=%d\n", next_link);
>>> +
>>> + /* Update the software read pointer */
>>> + ca_reg_write(&next_link,
>>> + (u64)priv->ni_hv_base_addr,
>>> + NI_HV_XRAM_CPUXRAM_CPU_CFG_RX_0_OFFSET);
>>> + return 0;
>>> + }
>>> +
>>> + /* check whether packet size is larger than 1514 */
>>> + if (packet_status.packet_size > 1518) {
>>> + debug("%s: Error Packet !! Packet size=%d, ",
>>> + __func__, packet_status.packet_size);
>>> + debug("larger than 1518, next_link=%d\n",
>>> + next_link);
>>> +
>>> + /* Update the software read pointer */
>>> + ca_reg_write(&next_link,
>>> + (u64)priv->ni_hv_base_addr,
>>> + NI_HV_XRAM_CPUXRAM_CPU_CFG_RX_0_OFFSET);
>>> + return 0;
>>> + }
>>> +
>>> + rx_xram_ptr = rdwrptr_adv_one(rx_xram_ptr,
>>> + priv->rx_xram_base_adr,
>>> + priv->rx_xram_end_adr);
>>> +
>>> + pktlen = packet_status.packet_size;
>>> +
>>> + debug("%s : rx packet length = %d\n",
>>> + __func__, packet_status.packet_size);
>>> +
>>> + rx_xram_ptr = rdwrptr_adv_one(rx_xram_ptr,
>>> + priv->rx_xram_base_adr,
>>> + priv->rx_xram_end_adr);
>>> +
>>> + data_ptr = (u32 *)net_rx_packets[index];
>>> +
>>> + /* Read out the packet */
>>> + /* Data is in little endian form in the XRAM */
>>> +
>>> + /* Send the packet to upper layer */
>>> +
>>> + debug("%s: packet data[]=", __func__);
>>> +
>>> + for (loop = 0; loop <= pktlen / 4; loop++) {
>>> + ptr = (u8 *)rx_xram_ptr;
>>> + if (loop < 10)
>>> + debug("[0x%x]-[0x%x]-[0x%x]-[0x%x]",
>>> + ptr[0], ptr[1], ptr[2], ptr[3]);
>>> + *data_ptr++ = *rx_xram_ptr++;
>>> + /* Wrap around if required */
>>> + if (rx_xram_ptr >= (u32 *)
>>> + (unsigned long)priv->rx_xram_end_adr) {
>>> + rx_xram_ptr = (u32 *)(unsigned long)
>>> + (priv->rx_xram_base_adr);
>>> + }
>>> + }
>>> +
>>> + debug("\n");
>>> + net_process_received_packet(net_rx_packets[index],
>>> + pktlen);
>>> + if (++index >= PKTBUFSRX)
>>> + index = 0;
>>> + blk_num = net_rx_packets[index][0x2c] * 255 +
>>> + net_rx_packets[index][0x2d];
>>> + debug("%s: tftp block number=%d\n", __func__, blk_num);
>>> +
>>> + /* Update the software read pointer */
>>> + ca_reg_write(&next_link,
>>> + (u64)priv->ni_hv_base_addr,
>>> + NI_HV_XRAM_CPUXRAM_CPU_CFG_RX_0_OFFSET);
>>> + }
>>> +
>>> + /* get the hw write pointer */
>>> + ca_reg_read(&cpuxram_cpu_sta_rx, (u64)priv->ni_hv_base_addr,
>>> + NI_HV_XRAM_CPUXRAM_CPU_STA_RX_0_OFFSET);
>>> + hw_rx_wr_ptr = cpuxram_cpu_sta_rx.pkt_wr_ptr;
>>> +
>>> + /* get the sw read pointer */
>>> + ca_reg_read(&sw_rx_rd_ptr, (u64)priv->ni_hv_base_addr,
>>> + NI_HV_XRAM_CPUXRAM_CPU_CFG_RX_0_OFFSET);
>>> + }
>>> + return 0;
>>> +}
>>> +
>>> +static int cortina_ni_send(struct udevice *dev, void *packet, int length)
>>> +{
>>> + struct cortina_ni_priv *priv = dev_get_priv(dev);
>>> + u32 hw_tx_rd_ptr = 0;
>>> + u32 sw_tx_wr_ptr = 0;
>>> + unsigned int new_pkt_len;
>>> + unsigned char valid_bytes = 0;
>>> + u32 *tx_xram_ptr;
>>> + u16 next_link = 0;
>>> + unsigned char *pkt_buf_ptr;
>>> + unsigned int loop;
>>> + u32 ca_crc32;
>>> + struct NI_HEADER_X_T hdr_xt;
>>> + int pad = 0;
>>> + static unsigned char pkt_buf[2048];
>>> + u32 *data_ptr;
>>> + struct NI_HV_XRAM_CPUXRAM_CPU_CFG_TX_0_t cpuxram_cpu_cfg_tx;
>>> + u8 *ptr;
>>> +
>>> + if (!packet || length > 2032)
>>> + return -1;
>>> +
>>> + /* Get the hardware read pointer */
>>> + ca_reg_read(&hw_tx_rd_ptr, (u64)priv->ni_hv_base_addr,
>>> + NI_HV_XRAM_CPUXRAM_CPU_STAT_TX_0_OFFSET);
>>> +
>>> + /* Get the software write pointer */
>>> + ca_reg_read(&sw_tx_wr_ptr, (u64)priv->ni_hv_base_addr,
>>> + NI_HV_XRAM_CPUXRAM_CPU_CFG_TX_0_OFFSET);
>>> +
>>> + debug("%s: NI_HV_XRAM_CPUXRAM_CPU_STAT_TX_0=0x%p, ",
>>> + __func__,
>>> + KSEG1_ATU_XLAT(priv->ni_hv_base_addr +
>>> + NI_HV_XRAM_CPUXRAM_CPU_STAT_TX_0_OFFSET));
>>> + debug("NI_HV_XRAM_CPUXRAM_CPU_CFG_TX_0=0x%p\n",
>>> + KSEG1_ATU_XLAT(priv->ni_hv_base_addr +
>>> + NI_HV_XRAM_CPUXRAM_CPU_CFG_TX_0_OFFSET));
>>> + debug("%s : hw_tx_rd_ptr = %d\n", __func__, hw_tx_rd_ptr);
>>> + debug("%s : sw_tx_wr_ptr = %d\n", __func__, sw_tx_wr_ptr);
>>> +
>>> + if (hw_tx_rd_ptr != sw_tx_wr_ptr) {
>>> + printf("%s: Tx FIFO is not available!\n", __func__);
>>> + return 1;
>>> + }
>>> +
>>> + /* a workaround on 2015/10/01
>>> + * the packet size+CRC should be 8-byte alignment
>>> + */
>>> + if (((length + 4) % 8) != 0)
>>> + length += (8 - ((length + 4) % 8));
>>> +
>>> + memset(pkt_buf, 0x00, sizeof(pkt_buf));
>>> +
>>> + /* add 8-byte header_A at the beginning of packet */
>>> + memcpy(&pkt_buf[HEADER_A_SIZE], (const void *)packet, length);
>>> +
>>> + pad = 64 - (length + 4); /* if packet length < 60 */
>>> + pad = (pad < 0) ? 0 : pad;
>>> +
>>> + debug("%s: length=%d, pad=%d\n", __func__, length, pad);
>>> +
>>> + new_pkt_len = length + pad; /* new packet length */
>>> +
>>> + pkt_buf_ptr = (unsigned char *)pkt_buf;
>>> +
>>> + /* Calculate the CRC32, skip 8-byte header_A */
>>> + ca_crc32 = crc32(0, (u8 *)(pkt_buf_ptr + HEADER_A_SIZE), new_pkt_len);
>>> +
>>> + debug("%s: crc32 is 0x%x\n", __func__, ca_crc32);
>>> + debug("%s: ~crc32 is 0x%x\n", __func__, ~ca_crc32);
>>> + debug("%s: pkt len %d\n", __func__, new_pkt_len);
>>> + /* should add 8-byte header_! */
>>> + /* CRC will re-calculated by hardware */
>>> + memcpy((pkt_buf_ptr + new_pkt_len + HEADER_A_SIZE),
>>> + (u8 *)(&ca_crc32), sizeof(ca_crc32));
>>> + new_pkt_len = new_pkt_len + 4; /* add CRC */
>>> +
>>> + valid_bytes = new_pkt_len % 8;
>>> + valid_bytes = valid_bytes ? valid_bytes : 0;
>>> + debug("%s: valid_bytes %d\n", __func__, valid_bytes);
>>> +
>>> + /* should add 8-byte headerA */
>>> + next_link = sw_tx_wr_ptr +
>>> + (new_pkt_len + 7 + HEADER_A_SIZE) / 8; /* for headr XT */
>>> + /* add header */
>>> + next_link = next_link + 1;
>>> + /* Wrap around if required */
>>> + if (next_link > priv->tx_xram_end) {
>>> + next_link = priv->tx_xram_start +
>>> + (next_link - (priv->tx_xram_end + 1));
>>> + }
>>> +
>>> + debug("%s: TX next_link %x\n", __func__, next_link);
>>> + memset(&hdr_xt, 0, sizeof(hdr_xt));
>>> + hdr_xt.ownership = 1;
>>> + hdr_xt.bytes_valid = valid_bytes;
>>> + hdr_xt.next_link = next_link;
>>> +
>>> + tx_xram_ptr = (u32 *)((unsigned long)NI_XRAM_BASE + sw_tx_wr_ptr * 8);
>>> +
>>> + /* Wrap around if required */
>>> + if (tx_xram_ptr >= (u32 *)(unsigned long)priv->tx_xram_end_adr)
>>> + tx_xram_ptr = (u32 *)(unsigned long)priv->tx_xram_base_adr;
>>> +
>>> + tx_xram_ptr = rdwrptr_adv_one(tx_xram_ptr,
>>> + priv->tx_xram_base_adr,
>>> + priv->tx_xram_end_adr);
>>> +
>>> + memcpy(tx_xram_ptr, &hdr_xt, sizeof(*tx_xram_ptr));
>>> +
>>> + tx_xram_ptr = rdwrptr_adv_one(tx_xram_ptr,
>>> + priv->tx_xram_base_adr,
>>> + priv->tx_xram_end_adr);
>>> +
>>> + /* Now to copy the data. The first byte on the line goes first */
>>> + data_ptr = (u32 *)pkt_buf_ptr;
>>> + debug("%s: packet data[]=", __func__);
>>> +
>>> + /* copy header_A to XRAM */
>>> + for (loop = 0; loop <= (new_pkt_len + HEADER_A_SIZE) / 4; loop++) {
>>> + ptr = (u8 *)data_ptr;
>>> + if ((loop % 4) == 0)
>>> + debug("\n");
>>> + debug("[0x%x]-[0x%x]-[0x%x]-[0x%x]-",
>>> + ptr[0], ptr[1], ptr[2], ptr[3]);
>>> +
>>> + *tx_xram_ptr = *data_ptr++;
>>> + tx_xram_ptr = rdwrptr_adv_one(tx_xram_ptr,
>>> + priv->tx_xram_base_adr,
>>> + priv->tx_xram_end_adr);
>>> + }
>>> + debug("\n");
>>> +
>>> + /* Publish the software write pointer */
>>> + cpuxram_cpu_cfg_tx.pkt_wr_ptr = next_link;
>>> + ca_reg_write(&cpuxram_cpu_cfg_tx,
>>> + (u64)priv->ni_hv_base_addr,
>>> + NI_HV_XRAM_CPUXRAM_CPU_CFG_TX_0_OFFSET);
>>> +
>>> + return 0;
>>> +}
>>> +
>>> +static void cortina_ni_halt(struct udevice *netdev)
>>> +{
>>> + /* Nothing to do for now. */
>>> +}
>>> +
>>> +#define GPHY_CAL_LEN 6
>>> +struct gphy_cal {
>>> + u32 reg_off;
>>> + u32 value;
>>> +};
>>> +
>>> +static struct gphy_cal gphy_cal_vlaues[GPHY_CAL_LEN] = {
>>> + {0xf43380fc, 0xbcd},
>>> + {0xf43380dc, 0xeeee},
>>> + {0xf43380d8, 0xeeee},
>>> + {0xf43380fc, 0xbce},
>>> + {0xf43380c0, 0x7777},
>>> + {0xf43380c4, 0x7777}
>>> +};
>>> +
>>> +__weak void do_internal_gphy_cal(void)
>>> +{
>>> + int i, port;
>>> + u32 reg_off, value;
>>> +
>>> + for (port = 0; port < 4; port++) {
>>> + for (i = 0; i < GPHY_CAL_LEN; i++) {
>>> + reg_off = gphy_cal_vlaues[i].reg_off + (port * 0x80);
>>> + value = gphy_cal_vlaues[i].value;
>>> + ca_reg_write(&value, reg_off, 0);
>>> + mdelay(50);
>>> + }
>>> + }
>>> +}
>>> +
>>> +static int ca_mdio_register(struct udevice *dev)
>>> +{
>>> + struct cortina_ni_priv *priv = dev_get_priv(dev);
>>> + struct mii_dev *mdio_bus = mdio_alloc();
>>> + int ret;
>>> +
>>> + if (!mdio_bus)
>>> + return -ENOMEM;
>>> +
>>> + mdio_bus->read = cortina_mdio_read;
>>> + mdio_bus->write = cortina_mdio_write;
>>> + snprintf(mdio_bus->name, sizeof(mdio_bus->name), dev->name);
>>> +
>>> + mdio_bus->priv = (void *)priv;
>>> +
>>> + ret = mdio_register(mdio_bus);
>>> + if (ret)
>>> + return ret;
>>> +
>>> + priv->mdio_bus = mdio_bus;
>>> + return 0;
>>> +}
>>> +
>>> +__weak void ca_rgmii_init(struct cortina_ni_priv *priv)
>>> +{
>>> + /* hardware settings for RGMII port */
>>> + struct GLOBAL_GLOBAL_CONFIG_t glb_config;
>>> + struct GLOBAL_IO_DRIVE_CONTROL_t io_drive_control;
>>> +
>>> + /* Generating 25Mhz reference clock for switch */
>>> + ca_reg_read(&glb_config, (u64)priv->glb_base_addr,
>>> + GLOBAL_GLOBAL_CONFIG_OFFSET);
>>> + glb_config.refclk_sel = 0x01;
>>> + glb_config.ext_reset = 0x01;
>>> + ca_reg_write(&glb_config, (u64)priv->glb_base_addr,
>>> + GLOBAL_GLOBAL_CONFIG_OFFSET);
>>> +
>>> + mdelay(20);
>>> +
>>> + /* should do a external reset */
>>> + ca_reg_read(&glb_config, (u64)priv->glb_base_addr,
>>> + GLOBAL_GLOBAL_CONFIG_OFFSET);
>>> + glb_config.ext_reset = 0x0;
>>> + ca_reg_write(&glb_config, (u64)priv->glb_base_addr,
>>> + GLOBAL_GLOBAL_CONFIG_OFFSET);
>>> +
>>> + ca_reg_read(&io_drive_control, (u64)priv->glb_base_addr,
>>> + GLOBAL_IO_DRIVE_CONTROL_OFFSET);
>>> + io_drive_control.gmac_mode = 2;
>>> + io_drive_control.gmac_dn = 1;
>>> + io_drive_control.gmac_dp = 1;
>>> + ca_reg_write(&io_drive_control, (u64)priv->glb_base_addr,
>>> + GLOBAL_IO_DRIVE_CONTROL_OFFSET);
>>> +}
>>> +
>>> +int ca_eth_initialize(struct udevice *dev)
>>> +{
>>> + struct cortina_ni_priv *priv;
>>> + int ret, reg_value;
>>> +
>>> + priv = dev_get_priv(dev);
>>> + priv->rx_xram_base_adr = NI_XRAM_BASE + (RX_BASE_ADDR * 8);
>>> + priv->rx_xram_end_adr = NI_XRAM_BASE + ((RX_TOP_ADDR + 1) * 8);
>>> + priv->rx_xram_start = RX_BASE_ADDR;
>>> + priv->rx_xram_end = RX_TOP_ADDR;
>>> + priv->tx_xram_base_adr = NI_XRAM_BASE + (TX_BASE_ADDR * 8);
>>> + priv->tx_xram_end_adr = NI_XRAM_BASE + ((TX_TOP_ADDR + 1) * 8);
>>> + priv->tx_xram_start = TX_BASE_ADDR;
>>> + priv->tx_xram_end = TX_TOP_ADDR;
>>> +
>>> + curr_dev = dev;
>>> + debug("%s: rx_base_addr:%x\t rx_top_addr %x\n",
>>> + __func__, priv->rx_xram_start, priv->rx_xram_end);
>>> + debug("%s: tx_base_addr:%x\t tx_top_addr %x\n",
>>> + __func__, priv->tx_xram_start, priv->tx_xram_end);
>>> + debug("%s: rx physical start address = %x end address = %x\n",
>>> + __func__, priv->rx_xram_base_adr, priv->rx_xram_end_adr);
>>> + debug("%s: tx physical start address = %x end address = %x\n",
>>> + __func__, priv->tx_xram_base_adr, priv->tx_xram_end_adr);
>>> +
>>> + /* MDIO register */
>>> + ret = ca_mdio_register(dev);
>>> + if (ret)
>>> + return ret;
>>> +
>>> + /* set MDIO pre-scale value */
>>> + ca_reg_read(®_value, (u64)priv->per_mdio_base_addr,
>>> + PER_MDIO_CFG_OFFSET);
>>> + reg_value = reg_value | 0x00280000;
>>> + ca_reg_write(®_value, (u64)priv->per_mdio_base_addr,
>>> + PER_MDIO_CFG_OFFSET);
>>> +
>>> + ca_phy_probe(dev);
>>> + priv->phydev->addr = port_to_phyaddr(active_port);
>>> +
>>> + ca_ni_led(active_port, CA_LED_ON);
>>> +
>>> + cortina_ni_reset();
>>> +
>>> + printf("%s: active_port=%d, phy_addr=%d\n",
>>> + __func__, active_port, priv->phydev->addr);
>>> + printf("%s: phy_id=0x%x, phy_id & PHY_ID_MASK=0x%x\n", __func__,
>>> + priv->phydev->phy_id, priv->phydev->phy_id & 0xFFFFFFF0);
>>> +
>>> + /* parsing ethaddr and set to NI registers. */
>>> + ca_ni_setup_mac_addr();
>>> +
>>> +#ifdef MIIPHY_REGISTER
>>> + /* the phy_read and phy_write
>>> + * should meet the proto type of miiphy_register
>>> + */
>>> + miiphy_register(dev->name, ca_miiphy_read, ca_miiphy_write);
>>> +#endif
>>> +
>>> + ca_rgmii_init(priv);
>>> +
>>> + /* do internal gphy calibration */
>>> + do_internal_gphy_cal();
>>> + return 0;
>>> +}
>>> +
>>> +static int cortina_eth_start(struct udevice *dev)
>>> +{
>>> + return cortina_ni_init(dev);
>>> +}
>>> +
>>> +static int cortina_eth_send(struct udevice *dev, void *packet, int length)
>>> +{
>>> + return cortina_ni_send(dev, packet, length);
>>> +}
>>> +
>>> +static int cortina_eth_recv(struct udevice *dev, int flags, uchar **packetp)
>>> +{
>>> + return cortina_ni_recv(dev);
>>> +}
>>> +
>>> +static void cortina_eth_stop(struct udevice *dev)
>>> +{
>>> + cortina_ni_halt(dev);
>>> +}
>>> +
>>> +static int cortina_eth_probe(struct udevice *dev)
>>> +{
>>> + return ca_eth_initialize(dev);
>>> +}
>>> +
>>> +static int ca_ni_ofdata_to_platdata(struct udevice *dev)
>>> +{
>>> + struct cortina_ni_priv *priv = dev_get_priv(dev);
>>> +
>>> + priv->glb_base_addr = dev_remap_addr_index(dev, 0);
>>> + if (!priv->glb_base_addr)
>>> + return -ENOENT;
>>> + printf("%s: priv->glb_base_addr for index 0 is 0x%p\n",
>>> + __func__, priv->glb_base_addr);
>>> +
>>> + priv->per_mdio_base_addr = dev_remap_addr_index(dev, 1);
>>> + if (!priv->per_mdio_base_addr)
>>> + return -ENOENT;
>>> + printf("%s: priv->per_mdio_base_addr for index 1 is 0x%p\n",
>>> + __func__, priv->per_mdio_base_addr);
>>> +
>>> + priv->ni_hv_base_addr = dev_remap_addr_index(dev, 2);
>>> + if (!priv->ni_hv_base_addr)
>>> + return -ENOENT;
>>> + printf("%s: priv->ni_hv_base_addr for index 2 is 0x%p\n",
>>> + __func__, priv->ni_hv_base_addr);
>>> +
>>> + return 0;
>>> +}
>>> +
>>> +static const struct eth_ops cortina_eth_ops = {
>>> + .start = cortina_eth_start,
>>> + .send = cortina_eth_send,
>>> + .recv = cortina_eth_recv,
>>> + .stop = cortina_eth_stop,
>>> +};
>>> +
>>> +static const struct udevice_id cortina_eth_ids[] = {
>>> + { .compatible = "eth_cortina" },
>>> + { }
>>> +};
>>> +
>>> +U_BOOT_DRIVER(eth_cortina) = {
>>> + .name = "eth_cortina",
>>> + .id = UCLASS_ETH,
>>> + .of_match = cortina_eth_ids,
>>> + .probe = cortina_eth_probe,
>>> + .ops = &cortina_eth_ops,
>>> + .priv_auto_alloc_size = sizeof(struct cortina_ni_priv),
>>> + .platdata_auto_alloc_size = sizeof(struct eth_pdata),
>>> + .ofdata_to_platdata = ca_ni_ofdata_to_platdata,
>>> +};
>>> diff --git a/drivers/net/cortina_ni.h b/drivers/net/cortina_ni.h
>>> new file mode 100644
>>> index 0000000..ff9a396
>>> --- /dev/null
>>> +++ b/drivers/net/cortina_ni.h
>>> @@ -0,0 +1,435 @@
>>> +/* SPDX-License-Identifier: GPL-2.0+ */
>>> +
>>> +/*
>>> + * Copyright (C) 2020 Cortina Access Inc.
>>> + * Author: Aaron Tseng <aaron.tseng at cortina-access.com>
>>> + *
>>> + * Ethernet MAC Driver for all supported CAxxxx SoCs
>>> + */
>>> +
>>> +#ifndef __CORTINA_NI_H
>>> +#define __CORTINA_NI_H
>>> +
>>> +#include <asm/types.h>
>>> +#include <asm/io.h>
>>> +#include <config.h>
>>> +
>>> +#define GE_MAC_INTF_GMII 0x0
>>> +#define GE_MAC_INTF_MII 0x1
>>> +#define GE_MAC_INTF_RGMII_1000 0x2
>>> +#define GE_MAC_INTF_RGMII_100 0x3
>>> +
>>> +/* Defines the base and top address in CPU XRA
>>> + * for packets to cpu instance 0
>>> + * 0x300 * 8-byte = 6K-byte
>>> + */
>>> +#define RX_TOP_ADDR 0x02FF
>>> +#define RX_BASE_ADDR 0x0000
>>> +
>>> +/* Defines the base and top address in CPU XRAM
>>> + * for packets from cpu instance 0.
>>> + * 0x100 * 8-byte = 2K-byte
>>> + */
>>> +#define TX_TOP_ADDR 0x03FF
>>> +#define TX_BASE_ADDR 0x0300
>>> +
>>> +#define NI_XRAM_BASE 0xF4500000
>>> +
>>> +enum ca_status_t {
>>> + CA_E_ERROR = -1,
>>> + CA_E_OK = 0x0,
>>> + CA_E_RESOURCE = 0x1,
>>> + CA_E_PARAM = 0x2,
>>> + CA_E_NOT_FOUND = 0x3,
>>> + CA_E_CONFLICT = 0x4,
>>> + CA_E_TIMEOUT = 0x5,
>>> + CA_E_INTERNAL = 0x6,
>>> + CA_E_NOT_SUPPORT = 0x7,
>>> + CA_E_CONFIG = 0x8,
>>> + CA_E_UNAVAIL = 0x9,
>>> + CA_E_MEMORY = 0xa,
>>> + CA_E_BUSY = 0xb,
>>> + CA_E_FULL = 0xc,
>>> + CA_E_EMPTY = 0xd,
>>> + CA_E_EXISTS = 0xe,
>>> + CA_E_DEV = 0xf,
>>> + CA_E_PORT = 0x10,
>>> + CA_E_LLID = 0x11,
>>> + CA_E_VLAN = 0x12,
>>> + CA_E_INIT = 0x13,
>>> + CA_E_INTF = 0x14,
>>> + CA_E_NEXTHOP = 0x15,
>>> + CA_E_ROUTE = 0x16,
>>> + CA_E_DB_CHANGED = 0x17,
>>> + CA_E_INACTIVE = 0x18,
>>> + CA_E_ALREADY_SET = 0x19,
>>> +};
>>> +
>>> +#if !defined(__ASSEMBLER__) && !defined(__ASSEMBLY__)
>>> +struct cortina_ni_priv {
>>> + unsigned int rx_xram_base_adr;
>>> + unsigned int rx_xram_end_adr;
>>> + unsigned short rx_xram_start;
>>> + unsigned short rx_xram_end;
>>> + unsigned int tx_xram_base_adr;
>>> + unsigned int tx_xram_end_adr;
>>> + unsigned short tx_xram_start;
>>> + unsigned short tx_xram_end;
>>> + void __iomem *glb_base_addr;
>>> + void __iomem *per_mdio_base_addr;
>>> + void __iomem *ni_hv_base_addr;
>>> +
>>> + struct mii_dev *mdio_bus;
>>> + struct phy_device *phydev;
>>> + int phy_interface;
>>> +};
>>> +
>>> +struct NI_HEADER_X_T {
>>> + unsigned int next_link : 10; /* bits 9: 0 */
>>> + unsigned int bytes_valid : 4; /* bits 13:10 */
>>> + unsigned int reserved : 16; /* bits 29:14 */
>>> + unsigned int hdr_a : 1; /* bits 30:30 */
>>> + unsigned int ownership : 1; /* bits 31:31 */
>>> +};
>>> +
>>> +struct NI_PACKET_STATUS {
>>> + unsigned int packet_size : 14; /* bits 13:0 */
>>> + unsigned int byte_valid : 4; /* bits 17:14 */
>>> + unsigned int pfc : 1; /* bits 18:18 */
>>> + unsigned int valid : 1; /* bits 19:19 */
>>> + unsigned int drop : 1; /* bits 20:20 */
>>> + unsigned int runt : 1; /* bits 21:21 */
>>> + unsigned int oversize : 1; /* bits 22:22 */
>>> + unsigned int jumbo : 1; /* bits 23:23 */
>>> + unsigned int link_status : 1; /* bits 24:24 */
>>> + unsigned int jabber : 1; /* bits 25:25 */
>>> + unsigned int crc_error : 1; /* bits 26:26 */
>>> + unsigned int pause : 1; /* bits 27:27 */
>>> + unsigned int oam : 1; /* bits 28:28 */
>>> + unsigned int unknown_opcode : 1; /* bits 29:29 */
>>> + unsigned int multicast : 1; /* bits 30:30 */
>>> + unsigned int broadcast : 1; /* bits 31:31 */
>>> +};
>>> +
>>> +struct NI_MDIO_OPER_T {
>>> + unsigned int reserved : 2; /* bits 1:0 */
>>> + unsigned int reg_off : 5; /* bits 6:2 */
>>> + unsigned int phy_addr : 5; /* bits 11:7 */
>>> + unsigned int reg_base : 20; /* bits 31:12 */
>>> +};
>>> +
>>> +enum ca_port_t {
>>> + NI_PORT_0 = 0,
>>> + NI_PORT_1,
>>> + NI_PORT_2,
>>> + NI_PORT_3,
>>> + NI_PORT_4,
>>> + NI_PORT_5,
>>> + NI_PORT_MAX,
>>> +};
>>> +
>>> +struct port_map_s {
>>> + int active_port;
>>> + int phy_addr;
>>> +};
>>> +
>>> +extern struct port_map_s port_map[NI_PORT_MAX];
>>> +extern int active_port;
>>> +
>>> +#define __MDIO_WR_FLAG (0)
>>> +#define __MDIO_RD_FLAG (1)
>>> +#define __MDIO_ACCESS_TIMEOUT (1000000)
>>> +#define CA_MDIO_ADDR_MIN (1)
>>> +#define CA_MDIO_ADDR_MAX (31)
>>> +
>>> +#endif /* !__ASSEMBLER__ */
>>> +
>>> +/* Copy from registers.h */
>>> +struct NI_HV_GLB_MAC_ADDR_CFG0_t {
>>> + unsigned int mac_addr0 : 32; /* bits 31:0 */
>>> +};
>>> +
>>> +struct NI_HV_GLB_MAC_ADDR_CFG1_t {
>>> + unsigned int mac_addr1 : 8; /* bits 7:0 */
>>> + unsigned int rsrvd1 : 24;
>>> +};
>>> +
>>> +struct NI_HV_PT_PORT_STATIC_CFG_t {
>>> + unsigned int int_cfg : 4; /* bits 3:0 */
>>> + unsigned int phy_mode : 1; /* bits 4:4 */
>>> + unsigned int rmii_clksrc : 1; /* bits 5:5 */
>>> + unsigned int inv_clk_in : 1; /* bits 6:6 */
>>> + unsigned int inv_clk_out : 1; /* bits 7:7 */
>>> + unsigned int inv_rxclk_out : 1; /* bits 8:8 */
>>> + unsigned int tx_use_gefifo : 1; /* bits 9:9 */
>>> + unsigned int smii_tx_stat : 1; /* bits 10:10 */
>>> + unsigned int crs_polarity : 1; /* bits 11:11 */
>>> + unsigned int lpbk_mode : 2; /* bits 13:12 */
>>> + unsigned int gmii_like_half_duplex_en : 1; /* bits 14:14 */
>>> + unsigned int sup_tx_to_rx_lpbk_data : 1; /* bits 15:15 */
>>> + unsigned int rsrvd1 : 8;
>>> + unsigned int mac_addr6 : 8; /* bits 31:24 */
>>> +};
>>> +
>>> +struct NI_HV_XRAM_CPUXRAM_CFG_t {
>>> + unsigned int rx_0_cpu_pkt_dis : 1; /* bits 0:0 */
>>> + unsigned int rsrvd1 : 8;
>>> + unsigned int tx_0_cpu_pkt_dis : 1; /* bits 9:9 */
>>> + unsigned int rsrvd2 : 1;
>>> + unsigned int rx_x_drop_err_pkt : 1; /* bits 11:11 */
>>> + unsigned int xram_mgmt_dis_drop_ovsz_pkt : 1; /* bits 12:12 */
>>> + unsigned int xram_mgmt_term_large_pkt : 1; /* bits 13:13 */
>>> + unsigned int xram_mgmt_promisc_mode : 2; /* bits 15:14 */
>>> + unsigned int xram_cntr_debug_mode : 1; /* bits 16:16 */
>>> + unsigned int xram_cntr_op_code : 2; /* bits 18:17 */
>>> + unsigned int rsrvd3 : 2;
>>> + unsigned int xram_rx_mgmtfifo_srst : 1; /* bits 21:21 */
>>> + unsigned int xram_dma_fifo_srst : 1; /* bits 22:22 */
>>> + unsigned int rsrvd4 : 9;
>>> +};
>>> +
>>> +struct NI_HV_PT_RXMAC_CFG_t {
>>> + unsigned int rx_en : 1; /* bits 0:0 */
>>> + unsigned int rsrvd1 : 7;
>>> + unsigned int rx_flow_disable : 1; /* bits 8:8 */
>>> + unsigned int rsrvd2 : 3;
>>> + unsigned int rx_flow_to_tx_en : 1; /* bits 12:12 */
>>> + unsigned int rx_pfc_disable : 1; /* bits 13:13 */
>>> + unsigned int rsrvd3 : 15;
>>> + unsigned int send_pg_data : 1; /* bits 29:29 */
>>> + unsigned int rsrvd4 : 2;
>>> +};
>>> +
>>> +struct NI_HV_PT_TXMAC_CFG_t {
>>> + unsigned int tx_en : 1; /* bits 0:0 */
>>> + unsigned int rsrvd1 : 7;
>>> + unsigned int mac_crc_calc_en : 1; /* bits 8:8 */
>>> + unsigned int tx_ipg_sel : 3; /* bits 11:9 */
>>> + unsigned int tx_flow_disable : 1; /* bits 12:12 */
>>> + unsigned int tx_drain : 1; /* bits 13:13 */
>>> + unsigned int tx_pfc_disable : 1; /* bits 14:14 */
>>> + unsigned int tx_pau_sel : 2; /* bits 16:15 */
>>> + unsigned int rsrvd2 : 9;
>>> + unsigned int tx_auto_xon : 1; /* bits 26:26 */
>>> + unsigned int rsrvd3 : 1;
>>> + unsigned int pass_thru_hdr : 1; /* bits 28:28 */
>>> + unsigned int rsrvd4 : 3;
>>> +};
>>> +
>>> +struct NI_HV_GLB_INTF_RST_CONFIG_t {
>>> + unsigned int intf_rst_p0 : 1; /* bits 0:0 */
>>> + unsigned int intf_rst_p1 : 1; /* bits 1:1 */
>>> + unsigned int intf_rst_p2 : 1; /* bits 2:2 */
>>> + unsigned int intf_rst_p3 : 1; /* bits 3:3 */
>>> + unsigned int intf_rst_p4 : 1; /* bits 4:4 */
>>> + unsigned int mac_rx_rst_p0 : 1; /* bits 5:5 */
>>> + unsigned int mac_rx_rst_p1 : 1; /* bits 6:6 */
>>> + unsigned int mac_rx_rst_p2 : 1; /* bits 7:7 */
>>> + unsigned int mac_rx_rst_p3 : 1; /* bits 8:8 */
>>> + unsigned int mac_rx_rst_p4 : 1; /* bits 9:9 */
>>> + unsigned int mac_tx_rst_p0 : 1; /* bits 10:10 */
>>> + unsigned int mac_tx_rst_p1 : 1; /* bits 11:11 */
>>> + unsigned int mac_tx_rst_p2 : 1; /* bits 12:12 */
>>> + unsigned int mac_tx_rst_p3 : 1; /* bits 13:13 */
>>> + unsigned int mac_tx_rst_p4 : 1; /* bits 14:14 */
>>> + unsigned int port_rst_p5 : 1; /* bits 15:15 */
>>> + unsigned int pcs_rst_p6 : 1; /* bits 16:16 */
>>> + unsigned int pcs_rst_p7 : 1; /* bits 17:17 */
>>> + unsigned int mac_rst_p6 : 1; /* bits 18:18 */
>>> + unsigned int mac_rst_p7 : 1; /* bits 19:19 */
>>> + unsigned int rsrvd1 : 12;
>>> +};
>>> +
>>> +struct NI_HV_GLB_STATIC_CFG_t {
>>> + unsigned int port_to_cpu : 4; /* bits 3:0 */
>>> + unsigned int mgmt_pt_to_fe_also : 1; /* bits 4:4 */
>>> + unsigned int txcrc_chk_en : 1; /* bits 5:5 */
>>> + unsigned int p4_rgmii_tx_clk_phase : 2; /* bits 7:6 */
>>> + unsigned int p4_rgmii_tx_data_order : 1; /* bits 8:8 */
>>> + unsigned int rsrvd1 : 7;
>>> + unsigned int rxmib_mode : 1; /* bits 16:16 */
>>> + unsigned int txmib_mode : 1; /* bits 17:17 */
>>> + unsigned int eth_sch_rdy_pkt : 1; /* bits 18:18 */
>>> + unsigned int rsrvd2 : 1;
>>> + unsigned int rxaui_mode : 2; /* bits 21:20 */
>>> + unsigned int rxaui_sigdet : 2; /* bits 23:22 */
>>> + unsigned int cnt_op_mode : 3; /* bits 26:24 */
>>> + unsigned int rsrvd3 : 5;
>>> +};
>>> +
>>> +struct GLOBAL_BLOCK_RESET_t {
>>> + unsigned int reset_ni : 1; /* bits 0:0 */
>>> + unsigned int reset_l2fe : 1; /* bits 1:1 */
>>> + unsigned int reset_l2tm : 1; /* bits 2:2 */
>>> + unsigned int reset_l3fe : 1; /* bits 3:3 */
>>> + unsigned int reset_sdram : 1; /* bits 4:4 */
>>> + unsigned int reset_tqm : 1; /* bits 5:5 */
>>> + unsigned int reset_pcie0 : 1; /* bits 6:6 */
>>> + unsigned int reset_pcie1 : 1; /* bits 7:7 */
>>> + unsigned int reset_pcie2 : 1; /* bits 8:8 */
>>> + unsigned int reset_sata : 1; /* bits 9:9 */
>>> + unsigned int reset_gic400 : 1; /* bits 10:10 */
>>> + unsigned int rsrvd1 : 2;
>>> + unsigned int reset_usb : 1; /* bits 13:13 */
>>> + unsigned int reset_flash : 1; /* bits 14:14 */
>>> + unsigned int reset_per : 1; /* bits 15:15 */
>>> + unsigned int reset_dma : 1; /* bits 16:16 */
>>> + unsigned int reset_rtc : 1; /* bits 17:17 */
>>> + unsigned int reset_pe0 : 1; /* bits 18:18 */
>>> + unsigned int reset_pe1 : 1; /* bits 19:19 */
>>> + unsigned int reset_rcpu0 : 1; /* bits 20:20 */
>>> + unsigned int reset_rcpu1 : 1; /* bits 21:21 */
>>> + unsigned int reset_sadb : 1; /* bits 22:22 */
>>> + unsigned int rsrvd2 : 1;
>>> + unsigned int reset_rcrypto : 1; /* bits 24:24 */
>>> + unsigned int reset_ldma : 1; /* bits 25:25 */
>>> + unsigned int reset_fbm : 1; /* bits 26:26 */
>>> + unsigned int reset_eaxi : 1; /* bits 27:27 */
>>> + unsigned int reset_sd : 1; /* bits 28:28 */
>>> + unsigned int reset_otprom : 1; /* bits 29:29 */
>>> + unsigned int rsrvd3 : 2;
>>> +};
>>> +
>>> +struct PER_MDIO_ADDR_t {
>>> + unsigned int mdio_addr : 5; /* bits 4:0 */
>>> + unsigned int rsrvd1 : 3;
>>> + unsigned int mdio_offset : 5; /* bits 12:8 */
>>> + unsigned int rsrvd2 : 2;
>>> + unsigned int mdio_rd_wr : 1; /* bits 15:15 */
>>> + unsigned int mdio_st : 1; /* bits 16:16 */
>>> + unsigned int rsrvd3 : 1;
>>> + unsigned int mdio_op : 2; /* bits 19:18 */
>>> + unsigned int rsrvd4 : 12;
>>> +};
>>> +
>>> +struct PER_MDIO_CTRL_t {
>>> + unsigned int mdiodone : 1; /* bits 0:0 */
>>> + unsigned int rsrvd1 : 6;
>>> + unsigned int mdiostart : 1; /* bits 7:7 */
>>> + unsigned int rsrvd2 : 24;
>>> +};
>>> +
>>> +struct PER_MDIO_RDDATA_t {
>>> + unsigned int mdio_rddata : 16; /* bits 15:0 */
>>> + unsigned int rsrvd1 : 16;
>>> +};
>>> +
>>> +/*
>>> + * XRAM
>>> + */
>>> +
>>> +struct NI_HV_XRAM_CPUXRAM_ADRCFG_RX_t {
>>> + unsigned int rx_base_addr : 10; /* bits 9:0 */
>>> + unsigned int rsrvd1 : 6;
>>> + unsigned int rx_top_addr : 10; /* bits 25:16 */
>>> + unsigned int rsrvd2 : 6;
>>> +};
>>> +
>>> +struct NI_HV_XRAM_CPUXRAM_ADRCFG_TX_0_t {
>>> + unsigned int tx_base_addr : 10; /* bits 9:0 */
>>> + unsigned int rsrvd1 : 6;
>>> + unsigned int tx_top_addr : 10; /* bits 25:16 */
>>> + unsigned int rsrvd2 : 6;
>>> +};
>>> +
>>> +struct NI_HV_XRAM_CPUXRAM_CPU_STA_RX_0_t {
>>> + unsigned int pkt_wr_ptr : 10; /* bits 9:0 */
>>> + unsigned int rsrvd1 : 5;
>>> + unsigned int int_colsc_thresh_reached : 1; /* bits 15:15 */
>>> + unsigned int rsrvd2 : 16;
>>> +};
>>> +
>>> +struct NI_HV_XRAM_CPUXRAM_CPU_CFG_RX_0_t {
>>> + unsigned int pkt_rd_ptr : 10; /* bits 9:0 */
>>> + unsigned int rsrvd1 : 22;
>>> +};
>>> +
>>> +struct NI_HV_XRAM_CPUXRAM_CPU_CFG_TX_0_t {
>>> + unsigned int pkt_wr_ptr : 10; /* bits 9:0 */
>>> + unsigned int rsrvd1 : 22;
>>> +};
>>> +
>>> +struct GLOBAL_GLOBAL_CONFIG_t {
>>> + unsigned int rsrvd1 : 4;
>>> + unsigned int wd_reset_subsys_enable : 1; /* bits 4:4 */
>>> + unsigned int rsrvd2 : 1;
>>> + unsigned int wd_reset_all_blocks : 1; /* bits 6:6 */
>>> + unsigned int wd_reset_remap : 1; /* bits 7:7 */
>>> + unsigned int wd_reset_ext_reset : 1; /* bits 8:8 */
>>> + unsigned int ext_reset : 1; /* bits 9:9 */
>>> + unsigned int cfg_pcie_0_clken : 1; /* bits 10:10 */
>>> + unsigned int cfg_sata_clken : 1; /* bits 11:11 */
>>> + unsigned int cfg_pcie_1_clken : 1; /* bits 12:12 */
>>> + unsigned int rsrvd3 : 1;
>>> + unsigned int cfg_pcie_2_clken : 1; /* bits 14:14 */
>>> + unsigned int rsrvd4 : 2;
>>> + unsigned int ext_eth_refclk : 1; /* bits 17:17 */
>>> + unsigned int refclk_sel : 2; /* bits 19:18 */
>>> + unsigned int rsrvd5 : 7;
>>> + unsigned int l3fe_pd : 1; /* bits 27:27 */
>>> + unsigned int offload0_pd : 1; /* bits 28:28 */
>>> + unsigned int offload1_pd : 1; /* bits 29:29 */
>>> + unsigned int crypto_pd : 1; /* bits 30:30 */
>>> + unsigned int core_pd : 1; /* bits 31:31 */
>>> +};
>>> +
>>> +struct GLOBAL_IO_DRIVE_CONTROL_t {
>>> + unsigned int gmac_dp : 3; /* bits 2:0 */
>>> + unsigned int gmac_dn : 3; /* bits 5:3 */
>>> + unsigned int gmac_mode : 2; /* bits 7:6 */
>>> + unsigned int gmac_ds : 1; /* bits 8:8 */
>>> + unsigned int flash_ds : 1; /* bits 9:9 */
>>> + unsigned int nu_ds : 1; /* bits 10:10 */
>>> + unsigned int ssp_ds : 1; /* bits 11:11 */
>>> + unsigned int spi_ds : 1; /* bits 12:12 */
>>> + unsigned int gpio_ds : 1; /* bits 13:13 */
>>> + unsigned int misc_ds : 1; /* bits 14:14 */
>>> + unsigned int eaxi_ds : 1; /* bits 15:15 */
>>> + unsigned int sd_ds : 8; /* bits 23:16 */
>>> + unsigned int rsrvd1 : 8;
>>> +};
>>> +
>>> +struct NI_HV_GLB_INIT_DONE_t {
>>> + unsigned int rsrvd1 : 1;
>>> + unsigned int ni_init_done : 1; /* bits 1:1 */
>>> + unsigned int rsrvd2 : 30;
>>> +};
>>> +
>>> +struct NI_HV_PT_PORT_GLB_CFG_t {
>>> + unsigned int speed : 1; /* bits 0:0 */
>>> + unsigned int duplex : 1; /* bits 1:1 */
>>> + unsigned int link_status : 1; /* bits 2:2 */
>>> + unsigned int link_stat_mask : 1; /* bits 3:3 */
>>> + unsigned int rsrvd1 : 7;
>>> + unsigned int power_dwn_rx : 1; /* bits 11:11 */
>>> + unsigned int power_dwn_tx : 1; /* bits 12:12 */
>>> + unsigned int tx_intf_lp_time : 1; /* bits 13:13 */
>>> + unsigned int rsrvd2 : 18;
>>> +};
>>> +
>>> +#define NI_HV_GLB_INIT_DONE_OFFSET 0x004
>>> +#define NI_HV_GLB_INTF_RST_CONFIG_OFFSET 0x008
>>> +#define NI_HV_GLB_STATIC_CFG_OFFSET 0x00c
>>> +
>>> +#define NI_HV_PT_PORT_STATIC_CFG_OFFSET NI_HV_PT_BASE
>>> +#define NI_HV_PT_PORT_GLB_CFG_OFFSET (0x4 + NI_HV_PT_BASE)
>>> +#define NI_HV_PT_RXMAC_CFG_OFFSET (0x8 + NI_HV_PT_BASE)
>>> +#define NI_HV_PT_TXMAC_CFG_OFFSET (0x14 + NI_HV_PT_BASE)
>>> +
>>> +#define NI_HV_XRAM_CPUXRAM_ADRCFG_RX_OFFSET NI_HV_XRAM_BASE
>>> +#define NI_HV_XRAM_CPUXRAM_ADRCFG_TX_0_OFFSET (0x4 + NI_HV_XRAM_BASE)
>>> +#define NI_HV_XRAM_CPUXRAM_CFG_OFFSET (0x8 + NI_HV_XRAM_BASE)
>>> +#define NI_HV_XRAM_CPUXRAM_CPU_CFG_RX_0_OFFSET (0xc + NI_HV_XRAM_BASE)
>>> +#define NI_HV_XRAM_CPUXRAM_CPU_STA_RX_0_OFFSET (0x10 + NI_HV_XRAM_BASE)
>>> +#define NI_HV_XRAM_CPUXRAM_CPU_CFG_TX_0_OFFSET (0x24 + NI_HV_XRAM_BASE)
>>> +#define NI_HV_XRAM_CPUXRAM_CPU_STAT_TX_0_OFFSET (0x28 + NI_HV_XRAM_BASE)
>>> +
>>> +#define PER_MDIO_CFG_OFFSET 0x00
>>> +#define PER_MDIO_ADDR_OFFSET 0x04
>>> +#define PER_MDIO_WRDATA_OFFSET 0x08
>>> +#define PER_MDIO_RDDATA_OFFSET 0x0C
>>> +#define PER_MDIO_CTRL_OFFSET 0x10
>>> +
>>> +#define APB0_NI_HV_PT_STRIDE 160
>>> +
>>> +#endif /* __CORTINA_NI_H */
>>> --
>>> 2.7.4
>>>
>>
>
> --
> Tom
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