366 lines
12 KiB
C
366 lines
12 KiB
C
|
|
/**************************************************************************
|
|
|
|
Copyright (c) 2007, Chelsio Inc.
|
|
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. Neither the name of the Chelsio Corporation nor the names of its
|
|
contributors may be used to endorse or promote products derived from
|
|
this software without specific prior written permission.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 THE COPYRIGHT OWNER 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>
|
|
__KERNEL_RCSID(0, "$NetBSD: cxgb_vsc7323.c,v 1.1 2010/03/21 21:11:13 jklos Exp $");
|
|
|
|
#ifdef CONFIG_DEFINED
|
|
#include <common/cxgb_common.h>
|
|
#else
|
|
#include "cxgb_common.h"
|
|
#endif
|
|
|
|
enum {
|
|
ELMR_ADDR = 0,
|
|
ELMR_STAT = 1,
|
|
ELMR_DATA_LO = 2,
|
|
ELMR_DATA_HI = 3,
|
|
|
|
ELMR_THRES0 = 0xe000,
|
|
ELMR_BW = 0xe00c,
|
|
ELMR_FIFO_SZ = 0xe00d,
|
|
ELMR_STATS = 0xf000,
|
|
|
|
ELMR_MDIO_ADDR = 10
|
|
};
|
|
|
|
#define VSC_REG(block, subblock, reg) \
|
|
((reg) | ((subblock) << 8) | ((block) << 12))
|
|
|
|
int t3_elmr_blk_write(adapter_t *adap, int start, const u32 *vals, int n)
|
|
{
|
|
int ret;
|
|
const struct mdio_ops *mo = adapter_info(adap)->mdio_ops;
|
|
|
|
ELMR_LOCK(adap);
|
|
ret = mo->write(adap, ELMR_MDIO_ADDR, 0, ELMR_ADDR, start);
|
|
for ( ; !ret && n; n--, vals++) {
|
|
ret = mo->write(adap, ELMR_MDIO_ADDR, 0, ELMR_DATA_LO,
|
|
*vals & 0xffff);
|
|
if (!ret)
|
|
ret = mo->write(adap, ELMR_MDIO_ADDR, 0, ELMR_DATA_HI,
|
|
*vals >> 16);
|
|
}
|
|
ELMR_UNLOCK(adap);
|
|
return ret;
|
|
}
|
|
|
|
static int elmr_write(adapter_t *adap, int addr, u32 val)
|
|
{
|
|
return t3_elmr_blk_write(adap, addr, &val, 1);
|
|
}
|
|
|
|
int t3_elmr_blk_read(adapter_t *adap, int start, u32 *vals, int n)
|
|
{
|
|
int i, ret;
|
|
unsigned int v;
|
|
const struct mdio_ops *mo = adapter_info(adap)->mdio_ops;
|
|
|
|
ELMR_LOCK(adap);
|
|
|
|
ret = mo->write(adap, ELMR_MDIO_ADDR, 0, ELMR_ADDR, start);
|
|
if (ret)
|
|
goto out;
|
|
|
|
for (i = 0; i < 5; i++) {
|
|
ret = mo->read(adap, ELMR_MDIO_ADDR, 0, ELMR_STAT, &v);
|
|
if (ret)
|
|
goto out;
|
|
if (v == 1)
|
|
break;
|
|
udelay(5);
|
|
}
|
|
if (v != 1) {
|
|
ret = -ETIMEDOUT;
|
|
goto out;
|
|
}
|
|
|
|
for ( ; !ret && n; n--, vals++) {
|
|
ret = mo->read(adap, ELMR_MDIO_ADDR, 0, ELMR_DATA_LO, vals);
|
|
if (!ret) {
|
|
ret = mo->read(adap, ELMR_MDIO_ADDR, 0, ELMR_DATA_HI,
|
|
&v);
|
|
*vals |= v << 16;
|
|
}
|
|
}
|
|
out: ELMR_UNLOCK(adap);
|
|
return ret;
|
|
}
|
|
|
|
int t3_vsc7323_init(adapter_t *adap, int nports)
|
|
{
|
|
static struct addr_val_pair sys_avp[] = {
|
|
{ VSC_REG(7, 15, 0xf), 2 },
|
|
{ VSC_REG(7, 15, 0x19), 0xd6 },
|
|
{ VSC_REG(7, 15, 7), 0xc },
|
|
{ VSC_REG(7, 1, 0), 0x220 },
|
|
};
|
|
static struct addr_val_pair fifo_avp[] = {
|
|
{ VSC_REG(2, 0, 0x2f), 0 },
|
|
{ VSC_REG(2, 0, 0xf), 0xa0010291 },
|
|
{ VSC_REG(2, 1, 0x2f), 1 },
|
|
{ VSC_REG(2, 1, 0xf), 0xa026301 }
|
|
};
|
|
static struct addr_val_pair xg_avp[] = {
|
|
{ VSC_REG(1, 10, 0), 0x600b },
|
|
{ VSC_REG(1, 10, 1), 0x70600 }, //QUANTA = 96*1024*8/512
|
|
{ VSC_REG(1, 10, 2), 0x2710 },
|
|
{ VSC_REG(1, 10, 5), 0x65 },
|
|
{ VSC_REG(1, 10, 7), 0x23 },
|
|
{ VSC_REG(1, 10, 0x23), 0x800007bf },
|
|
{ VSC_REG(1, 10, 0x23), 0x000007bf },
|
|
{ VSC_REG(1, 10, 0x23), 0x800007bf },
|
|
{ VSC_REG(1, 10, 0x24), 4 }
|
|
};
|
|
|
|
int i, ret, ing_step, egr_step, ing_bot, egr_bot;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(sys_avp); i++)
|
|
if ((ret = t3_elmr_blk_write(adap, sys_avp[i].reg_addr,
|
|
&sys_avp[i].val, 1)))
|
|
return ret;
|
|
|
|
ing_step = 0xc0 / nports;
|
|
egr_step = 0x40 / nports;
|
|
ing_bot = egr_bot = 0;
|
|
// ing_wm = ing_step * 64;
|
|
// egr_wm = egr_step * 64;
|
|
|
|
/* {ING,EGR}_CONTROL.CLR = 1 here */
|
|
for (i = 0; i < nports; i++) {
|
|
if (
|
|
(ret = elmr_write(adap, VSC_REG(2, 0, 0x10 + i),
|
|
((ing_bot + ing_step) << 16) | ing_bot)) ||
|
|
(ret = elmr_write(adap, VSC_REG(2, 0, 0x40 + i),
|
|
0x6000bc0)) ||
|
|
(ret = elmr_write(adap, VSC_REG(2, 0, 0x50 + i), 1)) ||
|
|
(ret = elmr_write(adap, VSC_REG(2, 1, 0x10 + i),
|
|
((egr_bot + egr_step) << 16) | egr_bot)) ||
|
|
(ret = elmr_write(adap, VSC_REG(2, 1, 0x40 + i),
|
|
0x2000280)) ||
|
|
(ret = elmr_write(adap, VSC_REG(2, 1, 0x50 + i), 0)))
|
|
return ret;
|
|
ing_bot += ing_step;
|
|
egr_bot += egr_step;
|
|
}
|
|
|
|
for (i = 0; i < ARRAY_SIZE(fifo_avp); i++)
|
|
if ((ret = t3_elmr_blk_write(adap, fifo_avp[i].reg_addr,
|
|
&fifo_avp[i].val, 1)))
|
|
return ret;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(xg_avp); i++)
|
|
if ((ret = t3_elmr_blk_write(adap, xg_avp[i].reg_addr,
|
|
&xg_avp[i].val, 1)))
|
|
return ret;
|
|
|
|
for (i = 0; i < nports; i++)
|
|
if ((ret = elmr_write(adap, VSC_REG(1, i, 0), 0xa59c)) ||
|
|
(ret = elmr_write(adap, VSC_REG(1, i, 5),
|
|
(i << 12) | 0x63)) ||
|
|
(ret = elmr_write(adap, VSC_REG(1, i, 0xb), 0x96)) ||
|
|
(ret = elmr_write(adap, VSC_REG(1, i, 0x15), 0x21)) ||
|
|
(ret = elmr_write(adap, ELMR_THRES0 + i, 768)))
|
|
return ret;
|
|
|
|
if ((ret = elmr_write(adap, ELMR_BW, 7)))
|
|
return ret;
|
|
|
|
return ret;
|
|
}
|
|
|
|
int t3_vsc7323_set_speed_fc(adapter_t *adap, int speed, int fc, int port)
|
|
{
|
|
int mode, clk, r;
|
|
|
|
if (speed >= 0) {
|
|
if (speed == SPEED_10)
|
|
mode = clk = 1;
|
|
else if (speed == SPEED_100)
|
|
mode = 1, clk = 2;
|
|
else if (speed == SPEED_1000)
|
|
mode = clk = 3;
|
|
else
|
|
return -EINVAL;
|
|
|
|
if ((r = elmr_write(adap, VSC_REG(1, port, 0),
|
|
0xa590 | (mode << 2))) ||
|
|
(r = elmr_write(adap, VSC_REG(1, port, 0xb),
|
|
0x91 | (clk << 1))) ||
|
|
(r = elmr_write(adap, VSC_REG(1, port, 0xb),
|
|
0x90 | (clk << 1))) ||
|
|
(r = elmr_write(adap, VSC_REG(1, port, 0),
|
|
0xa593 | (mode << 2))))
|
|
return r;
|
|
}
|
|
|
|
r = (fc & PAUSE_RX) ? 0x60200 : 0x20200; //QUANTA = 32*1024*8/512
|
|
if (fc & PAUSE_TX)
|
|
r |= (1 << 19);
|
|
return elmr_write(adap, VSC_REG(1, port, 1), r);
|
|
}
|
|
|
|
int t3_vsc7323_set_mtu(adapter_t *adap, unsigned int mtu, int port)
|
|
{
|
|
return elmr_write(adap, VSC_REG(1, port, 2), mtu);
|
|
}
|
|
|
|
int t3_vsc7323_set_addr(adapter_t *adap, u8 addr[6], int port)
|
|
{
|
|
int ret;
|
|
|
|
ret = elmr_write(adap, VSC_REG(1, port, 3),
|
|
(addr[0] << 16) | (addr[1] << 8) | addr[2]);
|
|
if (!ret)
|
|
ret = elmr_write(adap, VSC_REG(1, port, 4),
|
|
(addr[3] << 16) | (addr[4] << 8) | addr[5]);
|
|
return ret;
|
|
}
|
|
|
|
int t3_vsc7323_enable(adapter_t *adap, int port, int which)
|
|
{
|
|
int ret;
|
|
unsigned int v, orig;
|
|
|
|
ret = t3_elmr_blk_read(adap, VSC_REG(1, port, 0), &v, 1);
|
|
if (!ret) {
|
|
orig = v;
|
|
if (which & MAC_DIRECTION_TX)
|
|
v |= 1;
|
|
if (which & MAC_DIRECTION_RX)
|
|
v |= 2;
|
|
if (v != orig)
|
|
ret = elmr_write(adap, VSC_REG(1, port, 0), v);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int t3_vsc7323_disable(adapter_t *adap, int port, int which)
|
|
{
|
|
int ret;
|
|
unsigned int v, orig;
|
|
|
|
ret = t3_elmr_blk_read(adap, VSC_REG(1, port, 0), &v, 1);
|
|
if (!ret) {
|
|
orig = v;
|
|
if (which & MAC_DIRECTION_TX)
|
|
v &= ~1;
|
|
if (which & MAC_DIRECTION_RX)
|
|
v &= ~2;
|
|
if (v != orig)
|
|
ret = elmr_write(adap, VSC_REG(1, port, 0), v);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
#define STATS0_START 1
|
|
#define STATS1_START 0x24
|
|
#define NSTATS0 (0x1d - STATS0_START + 1)
|
|
#define NSTATS1 (0x2a - STATS1_START + 1)
|
|
|
|
#define ELMR_STAT(port, reg) (ELMR_STATS + port * 0x40 + reg)
|
|
|
|
const struct mac_stats *t3_vsc7323_update_stats(struct cmac *mac)
|
|
{
|
|
int ret;
|
|
u64 rx_ucast, tx_ucast;
|
|
u32 stats0[NSTATS0], stats1[NSTATS1];
|
|
|
|
ret = t3_elmr_blk_read(mac->adapter,
|
|
ELMR_STAT(mac->ext_port, STATS0_START),
|
|
stats0, NSTATS0);
|
|
if (!ret)
|
|
ret = t3_elmr_blk_read(mac->adapter,
|
|
ELMR_STAT(mac->ext_port, STATS1_START),
|
|
stats1, NSTATS1);
|
|
if (ret)
|
|
goto out;
|
|
|
|
/*
|
|
* HW counts Rx/Tx unicast frames but we want all the frames.
|
|
*/
|
|
rx_ucast = mac->stats.rx_frames - mac->stats.rx_mcast_frames -
|
|
mac->stats.rx_bcast_frames;
|
|
rx_ucast += (u64)(stats0[6 - STATS0_START] - (u32)rx_ucast);
|
|
tx_ucast = mac->stats.tx_frames - mac->stats.tx_mcast_frames -
|
|
mac->stats.tx_bcast_frames;
|
|
tx_ucast += (u64)(stats0[27 - STATS0_START] - (u32)tx_ucast);
|
|
|
|
#define RMON_UPDATE(mac, name, hw_stat) \
|
|
mac->stats.name += (u64)((hw_stat) - (u32)(mac->stats.name))
|
|
|
|
RMON_UPDATE(mac, rx_octets, stats0[4 - STATS0_START]);
|
|
RMON_UPDATE(mac, rx_frames, stats0[6 - STATS0_START]);
|
|
RMON_UPDATE(mac, rx_frames, stats0[7 - STATS0_START]);
|
|
RMON_UPDATE(mac, rx_frames, stats0[8 - STATS0_START]);
|
|
RMON_UPDATE(mac, rx_mcast_frames, stats0[7 - STATS0_START]);
|
|
RMON_UPDATE(mac, rx_bcast_frames, stats0[8 - STATS0_START]);
|
|
RMON_UPDATE(mac, rx_fcs_errs, stats0[9 - STATS0_START]);
|
|
RMON_UPDATE(mac, rx_pause, stats0[2 - STATS0_START]);
|
|
RMON_UPDATE(mac, rx_jabber, stats0[16 - STATS0_START]);
|
|
RMON_UPDATE(mac, rx_short, stats0[11 - STATS0_START]);
|
|
RMON_UPDATE(mac, rx_symbol_errs, stats0[1 - STATS0_START]);
|
|
RMON_UPDATE(mac, rx_too_long, stats0[15 - STATS0_START]);
|
|
|
|
RMON_UPDATE(mac, rx_frames_64, stats0[17 - STATS0_START]);
|
|
RMON_UPDATE(mac, rx_frames_65_127, stats0[18 - STATS0_START]);
|
|
RMON_UPDATE(mac, rx_frames_128_255, stats0[19 - STATS0_START]);
|
|
RMON_UPDATE(mac, rx_frames_256_511, stats0[20 - STATS0_START]);
|
|
RMON_UPDATE(mac, rx_frames_512_1023, stats0[21 - STATS0_START]);
|
|
RMON_UPDATE(mac, rx_frames_1024_1518, stats0[22 - STATS0_START]);
|
|
RMON_UPDATE(mac, rx_frames_1519_max, stats0[23 - STATS0_START]);
|
|
|
|
RMON_UPDATE(mac, tx_octets, stats0[26 - STATS0_START]);
|
|
RMON_UPDATE(mac, tx_frames, stats0[27 - STATS0_START]);
|
|
RMON_UPDATE(mac, tx_frames, stats0[28 - STATS0_START]);
|
|
RMON_UPDATE(mac, tx_frames, stats0[29 - STATS0_START]);
|
|
RMON_UPDATE(mac, tx_mcast_frames, stats0[28 - STATS0_START]);
|
|
RMON_UPDATE(mac, tx_bcast_frames, stats0[29 - STATS0_START]);
|
|
RMON_UPDATE(mac, tx_pause, stats0[25 - STATS0_START]);
|
|
|
|
RMON_UPDATE(mac, tx_underrun, 0);
|
|
|
|
RMON_UPDATE(mac, tx_frames_64, stats1[36 - STATS1_START]);
|
|
RMON_UPDATE(mac, tx_frames_65_127, stats1[37 - STATS1_START]);
|
|
RMON_UPDATE(mac, tx_frames_128_255, stats1[38 - STATS1_START]);
|
|
RMON_UPDATE(mac, tx_frames_256_511, stats1[39 - STATS1_START]);
|
|
RMON_UPDATE(mac, tx_frames_512_1023, stats1[40 - STATS1_START]);
|
|
RMON_UPDATE(mac, tx_frames_1024_1518, stats1[41 - STATS1_START]);
|
|
RMON_UPDATE(mac, tx_frames_1519_max, stats1[42 - STATS1_START]);
|
|
|
|
#undef RMON_UPDATE
|
|
|
|
mac->stats.rx_frames = rx_ucast + mac->stats.rx_mcast_frames +
|
|
mac->stats.rx_bcast_frames;
|
|
mac->stats.tx_frames = tx_ucast + mac->stats.tx_mcast_frames +
|
|
mac->stats.tx_bcast_frames;
|
|
out: return &mac->stats;
|
|
}
|