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