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211 lines
6.4 KiB
C
211 lines
6.4 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 2003-2012 Broadcom Corporation
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* All Rights Reserved
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY BROADCOM ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/types.h>
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#include <sys/systm.h>
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#include <mips/nlm/hal/mips-extns.h>
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#include <mips/nlm/hal/haldefs.h>
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#include <mips/nlm/hal/iomap.h>
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#include <mips/nlm/hal/sys.h>
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#include <mips/nlm/hal/nae.h>
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#include <mips/nlm/hal/mdio.h>
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#include <mips/nlm/hal/sgmii.h>
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void
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nlm_configure_sgmii_interface(uint64_t nae_base, int block, int port,
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int mtu, int loopback)
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{
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uint32_t data1, data2;
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/* Apply a soft reset */
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data1 = (0x1 << 31); /* soft reset */
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if (loopback)
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data1 |= (0x01 << 8);
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data1 |= (0x01 << 2); /* Rx enable */
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data1 |= 0x01; /* Tx enable */
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nlm_write_nae_reg(nae_base, NAE_REG(block, port, MAC_CONF1), data1);
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data2 = (0x7 << 12) | /* pre-amble length=7 */
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(0x2 << 8) | /* byteMode */
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0x1; /* fullDuplex */
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nlm_write_nae_reg(nae_base, NAE_REG(block, port, MAC_CONF2), data2);
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/* Remove a soft reset */
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data1 &= ~(0x01 << 31);
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nlm_write_nae_reg(nae_base, NAE_REG(block, port, MAC_CONF1), data1);
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/* setup sgmii max frame length */
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nlm_write_nae_reg(nae_base, SGMII_MAX_FRAME(block, port), mtu);
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}
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void
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nlm_sgmii_pcs_init(uint64_t nae_base, uint32_t cplx_mask)
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{
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xlp_nae_config_lane_gmac(nae_base, cplx_mask);
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}
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void
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nlm_nae_setup_mac(uint64_t nae_base, int nblock, int iface, int reset,
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int rx_en, int tx_en, int speed, int duplex)
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{
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uint32_t mac_cfg1, mac_cfg2, netwk_inf;
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mac_cfg1 = nlm_read_nae_reg(nae_base,
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SGMII_MAC_CONF1(nblock,iface));
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mac_cfg2 = nlm_read_nae_reg(nae_base,
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SGMII_MAC_CONF2(nblock,iface));
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netwk_inf = nlm_read_nae_reg(nae_base,
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SGMII_NET_IFACE_CTRL(nblock, iface));
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mac_cfg1 &= ~(0x1 << 31); /* remove reset */
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mac_cfg1 &= ~(0x1 << 2); /* remove rx */
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mac_cfg1 &= ~(0x1); /* remove tx */
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mac_cfg2 &= ~(0x3 << 8); /* remove interface mode bits */
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mac_cfg2 &= ~(0x1); /* remove duplex */
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netwk_inf &= ~(0x1 << 2); /* remove tx */
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netwk_inf &= ~(0x3); /* remove speed */
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switch (speed) {
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case NLM_SGMII_SPEED_10:
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netwk_inf |= 0x0; /* 2.5 Mhz clock for 10 Mbps */
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mac_cfg2 |= (0x1 << 8); /* enable 10/100 Mbps */
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break;
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case NLM_SGMII_SPEED_100:
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netwk_inf |= 0x1; /* 25 Mhz clock for 100 Mbps */
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mac_cfg2 |= (0x1 << 8); /* enable 10/100 Mbps */
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break;
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default: /* make it as 1G */
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netwk_inf |= 0x2; /* 125 Mhz clock for 1G */
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mac_cfg2 |= (0x2 << 8); /* enable 1G */
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break;
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}
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if (reset)
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mac_cfg1 |= (0x1 << 31); /* set reset */
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if (rx_en)
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mac_cfg1 |= (0x1 << 2); /* set rx */
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nlm_write_nae_reg(nae_base,
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SGMII_NET_IFACE_CTRL(nblock, iface),
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netwk_inf);
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if (tx_en) {
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mac_cfg1 |= 0x1; /* set tx */
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netwk_inf |= (0x1 << 2); /* set tx */
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}
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switch (duplex) {
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case NLM_SGMII_DUPLEX_HALF:
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/* duplexity is already set to half duplex */
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break;
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default:
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mac_cfg2 |= 0x1; /* set full duplex */
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}
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nlm_write_nae_reg(nae_base, SGMII_MAC_CONF1(nblock, iface), mac_cfg1);
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nlm_write_nae_reg(nae_base, SGMII_MAC_CONF2(nblock, iface), mac_cfg2);
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nlm_write_nae_reg(nae_base, SGMII_NET_IFACE_CTRL(nblock, iface),
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netwk_inf);
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}
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void
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nlm_nae_setup_rx_mode_sgmii(uint64_t base, int nblock, int iface, int port_type,
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int broadcast_en, int multicast_en, int pause_en, int promisc_en)
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{
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uint32_t val;
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/* bit[17] of vlan_typefilter - allows packet matching in MAC.
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* When DA filtering is disabled, this bit and bit[16] should
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* be zero.
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* bit[16] of vlan_typefilter - Allows hash matching to be used
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* for DA filtering. When DA filtering is disabled, this bit and
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* bit[17] should be zero.
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* Both bits have to be set only if you want to turn on both
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* features / modes.
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*/
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if (promisc_en == 1) {
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val = nlm_read_nae_reg(base,
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SGMII_NETIOR_VLANTYPE_FILTER(nblock, iface));
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val &= (~(0x3 << 16));
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nlm_write_nae_reg(base,
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SGMII_NETIOR_VLANTYPE_FILTER(nblock, iface), val);
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} else {
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val = nlm_read_nae_reg(base,
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SGMII_NETIOR_VLANTYPE_FILTER(nblock, iface));
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val |= (0x1 << 17);
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nlm_write_nae_reg(base,
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SGMII_NETIOR_VLANTYPE_FILTER(nblock, iface), val);
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}
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val = ((broadcast_en & 0x1) << 10) |
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((pause_en & 0x1) << 9) |
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((multicast_en & 0x1) << 8) |
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((promisc_en & 0x1) << 7) | /* unicast_enable - enables promisc mode */
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1; /* MAC address is always valid */
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nlm_write_nae_reg(base, SGMII_MAC_FILTER_CONFIG(nblock, iface), val);
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}
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void
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nlm_nae_setup_mac_addr_sgmii(uint64_t base, int nblock, int iface,
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int port_type, uint8_t *mac_addr)
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{
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nlm_write_nae_reg(base,
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SGMII_MAC_ADDR0_LO(nblock, iface),
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(mac_addr[5] << 24) |
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(mac_addr[4] << 16) |
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(mac_addr[3] << 8) |
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mac_addr[2]);
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nlm_write_nae_reg(base,
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SGMII_MAC_ADDR0_HI(nblock, iface),
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(mac_addr[1] << 24) |
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(mac_addr[0] << 16));
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nlm_write_nae_reg(base,
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SGMII_MAC_ADDR_MASK0_LO(nblock, iface),
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0xffffffff);
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nlm_write_nae_reg(base,
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SGMII_MAC_ADDR_MASK0_HI(nblock, iface),
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0xffffffff);
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nlm_nae_setup_rx_mode_sgmii(base, nblock, iface,
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SGMIIC,
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1, /* broadcast enabled */
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1, /* multicast enabled */
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0, /* do not accept pause frames */
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0 /* promisc mode disabled */
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);
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}
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