u-boot/drivers/net/ldpaa_eth/ldpaa_eth.c

1273 lines
30 KiB
C
Raw Normal View History

// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2014-2016 Freescale Semiconductor, Inc.
* Copyright 2017 NXP
*/
#include <common.h>
#include <cpu_func.h>
#include <log.h>
#include <asm/io.h>
#include <asm/types.h>
#include <malloc.h>
#include <net.h>
#include <hwconfig.h>
#include <phy.h>
#include <miiphy.h>
#include <linux/bug.h>
#include <linux/compat.h>
#include <fsl-mc/fsl_dpmac.h>
#include <linux/delay.h>
#include <fsl-mc/ldpaa_wriop.h>
#include "ldpaa_eth.h"
#ifdef CONFIG_PHYLIB
#ifdef CONFIG_DM_ETH
static void init_phy(struct udevice *dev)
{
struct ldpaa_eth_priv *priv = dev_get_priv(dev);
priv->phy = dm_eth_phy_connect(dev);
if (!priv->phy)
return;
phy_config(priv->phy);
}
#else
static int init_phy(struct eth_device *dev)
{
struct ldpaa_eth_priv *priv = (struct ldpaa_eth_priv *)dev->priv;
struct phy_device *phydev = NULL;
struct mii_dev *bus;
int phy_addr, phy_num;
int ret = 0;
bus = wriop_get_mdio(priv->dpmac_id);
if (bus == NULL)
return 0;
for (phy_num = 0; phy_num < WRIOP_MAX_PHY_NUM; phy_num++) {
phy_addr = wriop_get_phy_address(priv->dpmac_id, phy_num);
if (phy_addr < 0)
continue;
phydev = phy_connect(bus, phy_addr, dev,
wriop_get_enet_if(priv->dpmac_id));
if (!phydev) {
printf("Failed to connect\n");
ret = -ENODEV;
break;
}
wriop_set_phy_dev(priv->dpmac_id, phy_num, phydev);
ret = phy_config(phydev);
if (ret)
break;
}
if (ret) {
for (phy_num = 0; phy_num < WRIOP_MAX_PHY_NUM; phy_num++) {
phydev = wriop_get_phy_dev(priv->dpmac_id, phy_num);
if (!phydev)
continue;
free(phydev);
wriop_set_phy_dev(priv->dpmac_id, phy_num, NULL);
}
}
return ret;
}
#endif
#endif
#ifdef DEBUG
#define DPNI_STATS_PER_PAGE 6
static const char *dpni_statistics[][DPNI_STATS_PER_PAGE] = {
{
"DPNI_CNT_ING_ALL_FRAMES",
"DPNI_CNT_ING_ALL_BYTES",
"DPNI_CNT_ING_MCAST_FRAMES",
"DPNI_CNT_ING_MCAST_BYTES",
"DPNI_CNT_ING_BCAST_FRAMES",
"DPNI_CNT_ING_BCAST_BYTES",
}, {
"DPNI_CNT_EGR_ALL_FRAMES",
"DPNI_CNT_EGR_ALL_BYTES",
"DPNI_CNT_EGR_MCAST_FRAMES",
"DPNI_CNT_EGR_MCAST_BYTES",
"DPNI_CNT_EGR_BCAST_FRAMES",
"DPNI_CNT_EGR_BCAST_BYTES",
}, {
"DPNI_CNT_ING_FILTERED_FRAMES",
"DPNI_CNT_ING_DISCARDED_FRAMES",
"DPNI_CNT_ING_NOBUFFER_DISCARDS",
"DPNI_CNT_EGR_DISCARDED_FRAMES",
"DPNI_CNT_EGR_CNF_FRAMES",
""
},
};
static void print_dpni_stats(const char *strings[],
struct dpni_statistics dpni_stats)
{
uint64_t *stat;
int i;
stat = (uint64_t *)&dpni_stats;
for (i = 0; i < DPNI_STATS_PER_PAGE; i++) {
if (strcmp(strings[i], "\0") == 0)
break;
printf("%s= %llu\n", strings[i], *stat);
stat++;
}
}
static void ldpaa_eth_get_dpni_counter(void)
{
int err = 0;
unsigned int page = 0;
struct dpni_statistics dpni_stats;
printf("DPNI counters ..\n");
for (page = 0; page < 3; page++) {
err = dpni_get_statistics(dflt_mc_io, MC_CMD_NO_FLAGS,
dflt_dpni->dpni_handle, page,
&dpni_stats);
if (err < 0) {
printf("dpni_get_statistics: failed:");
printf("%d for page[%d]\n", err, page);
return;
}
print_dpni_stats(dpni_statistics[page], dpni_stats);
}
}
#ifdef CONFIG_DM_ETH
static void ldpaa_eth_get_dpmac_counter(struct udevice *dev)
{
struct ldpaa_eth_priv *priv = dev_get_priv(dev);
#else
static void ldpaa_eth_get_dpmac_counter(struct eth_device *net_dev)
{
struct ldpaa_eth_priv *priv = (struct ldpaa_eth_priv *)net_dev->priv;
#endif
int err = 0;
u64 value;
err = dpmac_get_counter(dflt_mc_io, MC_CMD_NO_FLAGS,
priv->dpmac_handle,
DPMAC_CNT_ING_BYTE,
&value);
if (err < 0) {
printf("dpmac_get_counter: DPMAC_CNT_ING_BYTE failed\n");
return;
}
printf("\nDPMAC counters ..\n");
printf("DPMAC_CNT_ING_BYTE=%lld\n", value);
err = dpmac_get_counter(dflt_mc_io, MC_CMD_NO_FLAGS,
priv->dpmac_handle,
DPMAC_CNT_ING_FRAME_DISCARD,
&value);
if (err < 0) {
printf("dpmac_get_counter: DPMAC_CNT_ING_FRAME_DISCARD failed\n");
return;
}
printf("DPMAC_CNT_ING_FRAME_DISCARD=%lld\n", value);
err = dpmac_get_counter(dflt_mc_io, MC_CMD_NO_FLAGS,
priv->dpmac_handle,
DPMAC_CNT_ING_ALIGN_ERR,
&value);
if (err < 0) {
printf("dpmac_get_counter: DPMAC_CNT_ING_ALIGN_ERR failed\n");
return;
}
printf("DPMAC_CNT_ING_ALIGN_ERR =%lld\n", value);
err = dpmac_get_counter(dflt_mc_io, MC_CMD_NO_FLAGS,
priv->dpmac_handle,
DPMAC_CNT_ING_BYTE,
&value);
if (err < 0) {
printf("dpmac_get_counter: DPMAC_CNT_ING_BYTE failed\n");
return;
}
printf("DPMAC_CNT_ING_BYTE=%lld\n", value);
err = dpmac_get_counter(dflt_mc_io, MC_CMD_NO_FLAGS,
priv->dpmac_handle,
DPMAC_CNT_ING_ERR_FRAME,
&value);
if (err < 0) {
printf("dpmac_get_counter: DPMAC_CNT_ING_ERR_FRAME failed\n");
return;
}
printf("DPMAC_CNT_ING_ERR_FRAME=%lld\n", value);
err = dpmac_get_counter(dflt_mc_io, MC_CMD_NO_FLAGS,
priv->dpmac_handle,
DPMAC_CNT_EGR_BYTE ,
&value);
if (err < 0) {
printf("dpmac_get_counter: DPMAC_CNT_EGR_BYTE failed\n");
return;
}
printf("DPMAC_CNT_EGR_BYTE =%lld\n", value);
err = dpmac_get_counter(dflt_mc_io, MC_CMD_NO_FLAGS,
priv->dpmac_handle,
DPMAC_CNT_EGR_ERR_FRAME ,
&value);
if (err < 0) {
printf("dpmac_get_counter: DPMAC_CNT_EGR_ERR_FRAME failed\n");
return;
}
printf("DPMAC_CNT_EGR_ERR_FRAME =%lld\n", value);
}
#endif
static void ldpaa_eth_rx(struct ldpaa_eth_priv *priv,
const struct dpaa_fd *fd)
{
u64 fd_addr;
uint16_t fd_offset;
uint32_t fd_length;
struct ldpaa_fas *fas;
uint32_t status, err;
u32 timeo = (CONFIG_SYS_HZ * 2) / 1000;
u32 time_start;
struct qbman_release_desc releasedesc;
struct qbman_swp *swp = dflt_dpio->sw_portal;
fd_addr = ldpaa_fd_get_addr(fd);
fd_offset = ldpaa_fd_get_offset(fd);
fd_length = ldpaa_fd_get_len(fd);
debug("Rx frame:data addr=0x%p size=0x%x\n", (u64 *)fd_addr, fd_length);
if (fd->simple.frc & LDPAA_FD_FRC_FASV) {
/* Read the frame annotation status word and check for errors */
fas = (struct ldpaa_fas *)
((uint8_t *)(fd_addr) +
dflt_dpni->buf_layout.private_data_size);
status = le32_to_cpu(fas->status);
if (status & LDPAA_ETH_RX_ERR_MASK) {
printf("Rx frame error(s): 0x%08x\n",
status & LDPAA_ETH_RX_ERR_MASK);
goto error;
} else if (status & LDPAA_ETH_RX_UNSUPP_MASK) {
printf("Unsupported feature in bitmask: 0x%08x\n",
status & LDPAA_ETH_RX_UNSUPP_MASK);
goto error;
}
}
debug("Rx frame: To Upper layer\n");
net_process_received_packet((uint8_t *)(fd_addr) + fd_offset,
fd_length);
error:
flush_dcache_range(fd_addr, fd_addr + LDPAA_ETH_RX_BUFFER_SIZE);
qbman_release_desc_clear(&releasedesc);
qbman_release_desc_set_bpid(&releasedesc, dflt_dpbp->dpbp_attr.bpid);
time_start = get_timer(0);
do {
/* Release buffer into the QBMAN */
err = qbman_swp_release(swp, &releasedesc, &fd_addr, 1);
} while (get_timer(time_start) < timeo && err == -EBUSY);
if (err == -EBUSY)
printf("Rx frame: QBMAN buffer release fails\n");
return;
}
#ifdef CONFIG_DM_ETH
static int ldpaa_eth_pull_dequeue_rx(struct udevice *dev,
int flags, uchar **packetp)
{
struct ldpaa_eth_priv *priv = dev_get_priv(dev);
#else
static int ldpaa_eth_pull_dequeue_rx(struct eth_device *dev)
{
struct ldpaa_eth_priv *priv = (struct ldpaa_eth_priv *)dev->priv;
#endif
const struct ldpaa_dq *dq;
const struct dpaa_fd *fd;
int i = 5, err = 0, status;
u32 timeo = (CONFIG_SYS_HZ * 2) / 1000;
u32 time_start;
static struct qbman_pull_desc pulldesc;
struct qbman_swp *swp = dflt_dpio->sw_portal;
while (--i) {
qbman_pull_desc_clear(&pulldesc);
qbman_pull_desc_set_numframes(&pulldesc, 1);
qbman_pull_desc_set_fq(&pulldesc, priv->rx_dflt_fqid);
err = qbman_swp_pull(swp, &pulldesc);
if (err < 0) {
printf("Dequeue frames error:0x%08x\n", err);
continue;
}
time_start = get_timer(0);
do {
dq = qbman_swp_dqrr_next(swp);
} while (get_timer(time_start) < timeo && !dq);
if (dq) {
/* Check for valid frame. If not sent a consume
* confirmation to QBMAN otherwise give it to NADK
* application and then send consume confirmation to
* QBMAN.
*/
status = (uint8_t)ldpaa_dq_flags(dq);
if ((status & LDPAA_DQ_STAT_VALIDFRAME) == 0) {
debug("Dequeue RX frames:");
debug("No frame delivered\n");
qbman_swp_dqrr_consume(swp, dq);
continue;
}
fd = ldpaa_dq_fd(dq);
/* Obtain FD and process it */
ldpaa_eth_rx(priv, fd);
qbman_swp_dqrr_consume(swp, dq);
break;
} else {
err = -ENODATA;
debug("No DQRR entries\n");
break;
}
}
return err;
}
#ifdef CONFIG_DM_ETH
static int ldpaa_eth_tx(struct udevice *dev, void *buf, int len)
{
struct ldpaa_eth_priv *priv = dev_get_priv(dev);
#else
static int ldpaa_eth_tx(struct eth_device *net_dev, void *buf, int len)
{
struct ldpaa_eth_priv *priv = (struct ldpaa_eth_priv *)net_dev->priv;
#endif
struct dpaa_fd fd;
u64 buffer_start;
int data_offset, err;
u32 timeo = (CONFIG_SYS_HZ * 10) / 1000;
u32 time_start;
struct qbman_swp *swp = dflt_dpio->sw_portal;
struct qbman_eq_desc ed;
struct qbman_release_desc releasedesc;
/* Setup the FD fields */
memset(&fd, 0, sizeof(fd));
data_offset = priv->tx_data_offset;
do {
err = qbman_swp_acquire(dflt_dpio->sw_portal,
dflt_dpbp->dpbp_attr.bpid,
&buffer_start, 1);
} while (err == -EBUSY);
if (err <= 0) {
printf("qbman_swp_acquire() failed\n");
return -ENOMEM;
}
debug("TX data: malloc buffer start=0x%p\n", (u64 *)buffer_start);
memcpy(((uint8_t *)(buffer_start) + data_offset), buf, len);
flush_dcache_range(buffer_start, buffer_start +
LDPAA_ETH_RX_BUFFER_SIZE);
ldpaa_fd_set_addr(&fd, (u64)buffer_start);
ldpaa_fd_set_offset(&fd, (uint16_t)(data_offset));
ldpaa_fd_set_bpid(&fd, dflt_dpbp->dpbp_attr.bpid);
ldpaa_fd_set_len(&fd, len);
fd.simple.ctrl = LDPAA_FD_CTRL_ASAL | LDPAA_FD_CTRL_PTA |
LDPAA_FD_CTRL_PTV1;
qbman_eq_desc_clear(&ed);
qbman_eq_desc_set_no_orp(&ed, 0);
qbman_eq_desc_set_qd(&ed, priv->tx_qdid, priv->tx_flow_id, 0);
time_start = get_timer(0);
while (get_timer(time_start) < timeo) {
err = qbman_swp_enqueue(swp, &ed,
(const struct qbman_fd *)(&fd));
if (err != -EBUSY)
break;
}
if (err < 0) {
printf("error enqueueing Tx frame\n");
goto error;
}
return err;
error:
qbman_release_desc_clear(&releasedesc);
qbman_release_desc_set_bpid(&releasedesc, dflt_dpbp->dpbp_attr.bpid);
time_start = get_timer(0);
do {
/* Release buffer into the QBMAN */
err = qbman_swp_release(swp, &releasedesc, &buffer_start, 1);
} while (get_timer(time_start) < timeo && err == -EBUSY);
if (err == -EBUSY)
printf("TX data: QBMAN buffer release fails\n");
return err;
}
static struct phy_device *ldpaa_get_phydev(struct ldpaa_eth_priv *priv)
{
#ifdef CONFIG_DM_ETH
return priv->phy;
#else
#ifdef CONFIG_PHYLIB
struct phy_device *phydev = NULL;
int phy_num;
/* start the phy devices one by one and update the dpmac state */
for (phy_num = 0; phy_num < WRIOP_MAX_PHY_NUM; phy_num++) {
phydev = wriop_get_phy_dev(priv->dpmac_id, phy_num);
if (phydev)
return phydev;
}
return NULL;
#endif
return NULL;
#endif
}
static int ldpaa_get_dpmac_state(struct ldpaa_eth_priv *priv,
struct dpmac_link_state *state)
{
phy_interface_t enet_if;
struct phy_device *phydev = NULL;
int err;
/* let's start off with maximum capabilities */
enet_if = wriop_get_enet_if(priv->dpmac_id);
switch (enet_if) {
case PHY_INTERFACE_MODE_XGMII:
state->rate = SPEED_10000;
break;
default:
state->rate = SPEED_1000;
break;
}
state->up = 1;
state->options |= DPMAC_LINK_OPT_AUTONEG;
phydev = ldpaa_get_phydev(priv);
if (phydev) {
err = phy_startup(phydev);
if (err) {
printf("%s: Could not initialize\n", phydev->dev->name);
state->up = 0;
} else if (phydev->link) {
state->rate = min(state->rate, (uint32_t)phydev->speed);
if (!phydev->duplex)
state->options |= DPMAC_LINK_OPT_HALF_DUPLEX;
if (!phydev->autoneg)
state->options &= ~DPMAC_LINK_OPT_AUTONEG;
} else {
state->up = 0;
}
}
if (!phydev)
state->options &= ~DPMAC_LINK_OPT_AUTONEG;
if (!state->up) {
state->rate = 0;
state->options = 0;
return -ENOLINK;
}
return 0;
}
#ifdef CONFIG_DM_ETH
static int ldpaa_eth_open(struct udevice *dev)
{
struct eth_pdata *plat = dev_get_platdata(dev);
struct ldpaa_eth_priv *priv = dev_get_priv(dev);
#else
static int ldpaa_eth_open(struct eth_device *net_dev, bd_t *bd)
{
struct ldpaa_eth_priv *priv = (struct ldpaa_eth_priv *)net_dev->priv;
#endif
struct dpmac_link_state dpmac_link_state = { 0 };
#ifdef DEBUG
struct dpni_link_state link_state;
#endif
int err = 0;
struct dpni_queue d_queue;
#ifdef CONFIG_DM_ETH
if (eth_is_active(dev))
return 0;
#else
if (net_dev->state == ETH_STATE_ACTIVE)
return 0;
#endif
if (get_mc_boot_status() != 0) {
printf("ERROR (MC is not booted)\n");
return -ENODEV;
}
if (get_dpl_apply_status() == 0) {
printf("ERROR (DPL is deployed. No device available)\n");
return -ENODEV;
}
/* DPMAC initialization */
err = ldpaa_dpmac_setup(priv);
if (err < 0)
goto err_dpmac_setup;
err = ldpaa_get_dpmac_state(priv, &dpmac_link_state);
if (err < 0)
goto err_dpmac_bind;
/* DPMAC binding DPNI */
err = ldpaa_dpmac_bind(priv);
if (err)
goto err_dpmac_bind;
/* DPNI initialization */
err = ldpaa_dpni_setup(priv);
if (err < 0)
goto err_dpni_setup;
err = ldpaa_dpbp_setup();
if (err < 0)
goto err_dpbp_setup;
/* DPNI binding DPBP */
err = ldpaa_dpni_bind(priv);
if (err)
goto err_dpni_bind;
#ifdef CONFIG_DM_ETH
err = dpni_add_mac_addr(dflt_mc_io, MC_CMD_NO_FLAGS,
dflt_dpni->dpni_handle, plat->enetaddr);
#else
err = dpni_add_mac_addr(dflt_mc_io, MC_CMD_NO_FLAGS,
dflt_dpni->dpni_handle, net_dev->enetaddr);
#endif
if (err) {
printf("dpni_add_mac_addr() failed\n");
return err;
}
err = dpni_enable(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpni->dpni_handle);
if (err < 0) {
printf("dpni_enable() failed\n");
return err;
}
err = dpmac_set_link_state(dflt_mc_io, MC_CMD_NO_FLAGS,
priv->dpmac_handle, &dpmac_link_state);
if (err < 0) {
printf("dpmac_set_link_state() failed\n");
return err;
}
#ifdef DEBUG
printf("DPMAC link status: %d - ", dpmac_link_state.up);
dpmac_link_state.up == 0 ? printf("down\n") :
dpmac_link_state.up == 1 ? printf("up\n") : printf("error state\n");
err = dpni_get_link_state(dflt_mc_io, MC_CMD_NO_FLAGS,
dflt_dpni->dpni_handle, &link_state);
if (err < 0) {
printf("dpni_get_link_state() failed\n");
return err;
}
printf("DPNI link status: %d - ", link_state.up);
link_state.up == 0 ? printf("down\n") :
link_state.up == 1 ? printf("up\n") : printf("error state\n");
#endif
memset(&d_queue, 0, sizeof(struct dpni_queue));
err = dpni_get_queue(dflt_mc_io, MC_CMD_NO_FLAGS,
dflt_dpni->dpni_handle, DPNI_QUEUE_RX,
0, 0, &d_queue);
if (err) {
printf("dpni_get_queue failed\n");
goto err_get_queue;
}
priv->rx_dflt_fqid = d_queue.fqid;
err = dpni_get_qdid(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpni->dpni_handle,
&priv->tx_qdid);
if (err) {
printf("dpni_get_qdid() failed\n");
goto err_qdid;
}
return dpmac_link_state.up;
err_qdid:
err_get_queue:
dpni_disable(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpni->dpni_handle);
err_dpni_bind:
ldpaa_dpbp_free();
err_dpbp_setup:
dpni_close(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpni->dpni_handle);
err_dpni_setup:
err_dpmac_bind:
dpmac_close(dflt_mc_io, MC_CMD_NO_FLAGS, priv->dpmac_handle);
dpmac_destroy(dflt_mc_io,
dflt_dprc_handle,
MC_CMD_NO_FLAGS, priv->dpmac_id);
err_dpmac_setup:
return err;
}
#ifdef CONFIG_DM_ETH
static void ldpaa_eth_stop(struct udevice *dev)
{
struct ldpaa_eth_priv *priv = dev_get_priv(dev);
#else
static void ldpaa_eth_stop(struct eth_device *net_dev)
{
struct ldpaa_eth_priv *priv = (struct ldpaa_eth_priv *)net_dev->priv;
#endif
struct phy_device *phydev = NULL;
int err = 0;
#ifdef CONFIG_DM_ETH
if (!eth_is_active(dev))
return;
#else
if ((net_dev->state == ETH_STATE_PASSIVE) ||
(net_dev->state == ETH_STATE_INIT))
return;
#endif
#ifdef DEBUG
ldpaa_eth_get_dpni_counter();
#ifdef CONFIG_DM_ETH
ldpaa_eth_get_dpmac_counter(dev);
#else
ldpaa_eth_get_dpmac_counter(net_dev);
#endif
#endif
err = dprc_disconnect(dflt_mc_io, MC_CMD_NO_FLAGS,
dflt_dprc_handle, &dpmac_endpoint);
if (err < 0)
printf("dprc_disconnect() failed dpmac_endpoint\n");
err = dpmac_close(dflt_mc_io, MC_CMD_NO_FLAGS, priv->dpmac_handle);
if (err < 0)
printf("dpmac_close() failed\n");
err = dpmac_destroy(dflt_mc_io,
dflt_dprc_handle,
MC_CMD_NO_FLAGS,
priv->dpmac_id);
if (err < 0)
printf("dpmac_destroy() failed\n");
/* Stop Tx and Rx traffic */
err = dpni_disable(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpni->dpni_handle);
if (err < 0)
printf("dpni_disable() failed\n");
phydev = ldpaa_get_phydev(priv);
if (phydev)
phy_shutdown(phydev);
/* Free DPBP handle and reset. */
ldpaa_dpbp_free();
dpni_reset(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpni->dpni_handle);
if (err < 0)
printf("dpni_reset() failed\n");
dpni_close(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpni->dpni_handle);
if (err < 0)
printf("dpni_close() failed\n");
}
static void ldpaa_dpbp_drain_cnt(int count)
{
uint64_t buf_array[7];
void *addr;
int ret, i;
BUG_ON(count > 7);
do {
ret = qbman_swp_acquire(dflt_dpio->sw_portal,
dflt_dpbp->dpbp_attr.bpid,
buf_array, count);
if (ret < 0) {
printf("qbman_swp_acquire() failed\n");
return;
}
for (i = 0; i < ret; i++) {
addr = (void *)buf_array[i];
debug("Free: buffer addr =0x%p\n", addr);
free(addr);
}
} while (ret);
}
static void ldpaa_dpbp_drain(void)
{
int i;
for (i = 0; i < LDPAA_ETH_NUM_BUFS; i += 7)
ldpaa_dpbp_drain_cnt(7);
}
static int ldpaa_bp_add_7(uint16_t bpid)
{
uint64_t buf_array[7];
u8 *addr;
int i;
struct qbman_release_desc rd;
for (i = 0; i < 7; i++) {
addr = memalign(LDPAA_ETH_BUF_ALIGN, LDPAA_ETH_RX_BUFFER_SIZE);
if (!addr) {
printf("addr allocation failed\n");
goto err_alloc;
}
memset(addr, 0x00, LDPAA_ETH_RX_BUFFER_SIZE);
flush_dcache_range((u64)addr,
(u64)(addr + LDPAA_ETH_RX_BUFFER_SIZE));
buf_array[i] = (uint64_t)addr;
debug("Release: buffer addr =0x%p\n", addr);
}
release_bufs:
/* In case the portal is busy, retry until successful.
* This function is guaranteed to succeed in a reasonable amount
* of time.
*/
do {
mdelay(1);
qbman_release_desc_clear(&rd);
qbman_release_desc_set_bpid(&rd, bpid);
} while (qbman_swp_release(dflt_dpio->sw_portal, &rd, buf_array, i));
return i;
err_alloc:
if (i)
goto release_bufs;
return 0;
}
static int ldpaa_dpbp_seed(uint16_t bpid)
{
int i;
int count;
for (i = 0; i < LDPAA_ETH_NUM_BUFS; i += 7) {
count = ldpaa_bp_add_7(bpid);
if (count < 7)
printf("Buffer Seed= %d\n", count);
}
return 0;
}
static int ldpaa_dpbp_setup(void)
{
int err;
err = dpbp_open(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpbp->dpbp_attr.id,
&dflt_dpbp->dpbp_handle);
if (err) {
printf("dpbp_open() failed\n");
goto err_open;
}
err = dpbp_enable(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpbp->dpbp_handle);
if (err) {
printf("dpbp_enable() failed\n");
goto err_enable;
}
err = dpbp_get_attributes(dflt_mc_io, MC_CMD_NO_FLAGS,
dflt_dpbp->dpbp_handle,
&dflt_dpbp->dpbp_attr);
if (err) {
printf("dpbp_get_attributes() failed\n");
goto err_get_attr;
}
err = ldpaa_dpbp_seed(dflt_dpbp->dpbp_attr.bpid);
if (err) {
printf("Buffer seeding failed for DPBP %d (bpid=%d)\n",
dflt_dpbp->dpbp_attr.id, dflt_dpbp->dpbp_attr.bpid);
goto err_seed;
}
return 0;
err_seed:
err_get_attr:
dpbp_disable(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpbp->dpbp_handle);
err_enable:
dpbp_close(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpbp->dpbp_handle);
err_open:
return err;
}
static void ldpaa_dpbp_free(void)
{
ldpaa_dpbp_drain();
dpbp_disable(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpbp->dpbp_handle);
dpbp_reset(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpbp->dpbp_handle);
dpbp_close(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpbp->dpbp_handle);
}
static int ldpaa_dpmac_version_check(struct fsl_mc_io *mc_io,
struct ldpaa_eth_priv *priv)
{
int error;
uint16_t major_ver, minor_ver;
error = dpmac_get_api_version(dflt_mc_io, 0,
&major_ver,
&minor_ver);
if ((major_ver < DPMAC_VER_MAJOR) ||
(major_ver == DPMAC_VER_MAJOR && minor_ver < DPMAC_VER_MINOR)) {
printf("DPMAC version mismatch found %u.%u,",
major_ver, minor_ver);
printf("supported version is %u.%u\n",
DPMAC_VER_MAJOR, DPMAC_VER_MINOR);
return error;
}
return error;
}
static int ldpaa_dpmac_setup(struct ldpaa_eth_priv *priv)
{
int err = 0;
struct dpmac_cfg dpmac_cfg;
dpmac_cfg.mac_id = priv->dpmac_id;
err = dpmac_create(dflt_mc_io,
dflt_dprc_handle,
MC_CMD_NO_FLAGS, &dpmac_cfg,
&priv->dpmac_id);
if (err)
printf("dpmac_create() failed\n");
err = ldpaa_dpmac_version_check(dflt_mc_io, priv);
if (err < 0) {
printf("ldpaa_dpmac_version_check() failed: %d\n", err);
goto err_version_check;
}
err = dpmac_open(dflt_mc_io,
MC_CMD_NO_FLAGS,
priv->dpmac_id,
&priv->dpmac_handle);
if (err < 0) {
printf("dpmac_open() failed: %d\n", err);
goto err_open;
}
return err;
err_open:
err_version_check:
dpmac_destroy(dflt_mc_io,
dflt_dprc_handle,
MC_CMD_NO_FLAGS, priv->dpmac_id);
return err;
}
static int ldpaa_dpmac_bind(struct ldpaa_eth_priv *priv)
{
int err = 0;
struct dprc_connection_cfg dprc_connection_cfg = {
/* If both rates are zero the connection */
/* will be configured in "best effort" mode. */
.committed_rate = 0,
.max_rate = 0
};
#ifdef DEBUG
struct dprc_endpoint dbg_endpoint;
int state = 0;
#endif
memset(&dpmac_endpoint, 0, sizeof(struct dprc_endpoint));
strcpy(dpmac_endpoint.type, "dpmac");
dpmac_endpoint.id = priv->dpmac_id;
memset(&dpni_endpoint, 0, sizeof(struct dprc_endpoint));
strcpy(dpni_endpoint.type, "dpni");
dpni_endpoint.id = dflt_dpni->dpni_id;
err = dprc_connect(dflt_mc_io, MC_CMD_NO_FLAGS,
dflt_dprc_handle,
&dpmac_endpoint,
&dpni_endpoint,
&dprc_connection_cfg);
if (err)
printf("dprc_connect() failed\n");
#ifdef DEBUG
err = dprc_get_connection(dflt_mc_io, MC_CMD_NO_FLAGS,
dflt_dprc_handle, &dpni_endpoint,
&dbg_endpoint, &state);
printf("%s, DPMAC Type= %s\n", __func__, dbg_endpoint.type);
printf("%s, DPMAC ID= %d\n", __func__, dbg_endpoint.id);
printf("%s, DPMAC State= %d\n", __func__, state);
memset(&dbg_endpoint, 0, sizeof(struct dprc_endpoint));
err = dprc_get_connection(dflt_mc_io, MC_CMD_NO_FLAGS,
dflt_dprc_handle, &dpmac_endpoint,
&dbg_endpoint, &state);
printf("%s, DPNI Type= %s\n", __func__, dbg_endpoint.type);
printf("%s, DPNI ID= %d\n", __func__, dbg_endpoint.id);
printf("%s, DPNI State= %d\n", __func__, state);
#endif
return err;
}
static int ldpaa_dpni_setup(struct ldpaa_eth_priv *priv)
{
int err;
/* and get a handle for the DPNI this interface is associate with */
err = dpni_open(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpni->dpni_id,
&dflt_dpni->dpni_handle);
if (err) {
printf("dpni_open() failed\n");
goto err_open;
}
err = dpni_get_attributes(dflt_mc_io, MC_CMD_NO_FLAGS,
dflt_dpni->dpni_handle,
&dflt_dpni->dpni_attrs);
if (err) {
printf("dpni_get_attributes() failed (err=%d)\n", err);
goto err_get_attr;
}
/* Configure our buffers' layout */
dflt_dpni->buf_layout.options = DPNI_BUF_LAYOUT_OPT_PARSER_RESULT |
DPNI_BUF_LAYOUT_OPT_FRAME_STATUS |
DPNI_BUF_LAYOUT_OPT_PRIVATE_DATA_SIZE |
DPNI_BUF_LAYOUT_OPT_DATA_ALIGN;
dflt_dpni->buf_layout.pass_parser_result = true;
dflt_dpni->buf_layout.pass_frame_status = true;
dflt_dpni->buf_layout.private_data_size = LDPAA_ETH_SWA_SIZE;
/* HW erratum mandates data alignment in multiples of 256 */
dflt_dpni->buf_layout.data_align = LDPAA_ETH_BUF_ALIGN;
/* ...rx, ... */
err = dpni_set_buffer_layout(dflt_mc_io, MC_CMD_NO_FLAGS,
dflt_dpni->dpni_handle,
&dflt_dpni->buf_layout, DPNI_QUEUE_RX);
if (err) {
printf("dpni_set_buffer_layout() failed");
goto err_buf_layout;
}
/* ... tx, ... */
/* remove Rx-only options */
dflt_dpni->buf_layout.options &= ~(DPNI_BUF_LAYOUT_OPT_DATA_ALIGN |
DPNI_BUF_LAYOUT_OPT_PARSER_RESULT);
err = dpni_set_buffer_layout(dflt_mc_io, MC_CMD_NO_FLAGS,
dflt_dpni->dpni_handle,
&dflt_dpni->buf_layout, DPNI_QUEUE_TX);
if (err) {
printf("dpni_set_buffer_layout() failed");
goto err_buf_layout;
}
/* ... tx-confirm. */
dflt_dpni->buf_layout.options &= ~DPNI_BUF_LAYOUT_OPT_PRIVATE_DATA_SIZE;
err = dpni_set_buffer_layout(dflt_mc_io, MC_CMD_NO_FLAGS,
dflt_dpni->dpni_handle,
&dflt_dpni->buf_layout,
DPNI_QUEUE_TX_CONFIRM);
if (err) {
printf("dpni_set_buffer_layout() failed");
goto err_buf_layout;
}
/* Now that we've set our tx buffer layout, retrieve the minimum
* required tx data offset.
*/
err = dpni_get_tx_data_offset(dflt_mc_io, MC_CMD_NO_FLAGS,
dflt_dpni->dpni_handle,
&priv->tx_data_offset);
if (err) {
printf("dpni_get_tx_data_offset() failed\n");
goto err_data_offset;
}
/* Warn in case TX data offset is not multiple of 64 bytes. */
WARN_ON(priv->tx_data_offset % 64);
/* Accomodate SWA space. */
priv->tx_data_offset += LDPAA_ETH_SWA_SIZE;
debug("priv->tx_data_offset=%d\n", priv->tx_data_offset);
return 0;
err_data_offset:
err_buf_layout:
err_get_attr:
dpni_close(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpni->dpni_handle);
err_open:
return err;
}
static int ldpaa_dpni_bind(struct ldpaa_eth_priv *priv)
{
struct dpni_pools_cfg pools_params;
struct dpni_queue tx_queue;
int err = 0;
memset(&pools_params, 0, sizeof(pools_params));
pools_params.num_dpbp = 1;
pools_params.pools[0].dpbp_id = (uint16_t)dflt_dpbp->dpbp_attr.id;
pools_params.pools[0].buffer_size = LDPAA_ETH_RX_BUFFER_SIZE;
err = dpni_set_pools(dflt_mc_io, MC_CMD_NO_FLAGS,
dflt_dpni->dpni_handle, &pools_params);
if (err) {
printf("dpni_set_pools() failed\n");
return err;
}
memset(&tx_queue, 0, sizeof(struct dpni_queue));
err = dpni_set_queue(dflt_mc_io, MC_CMD_NO_FLAGS,
dflt_dpni->dpni_handle,
DPNI_QUEUE_TX, 0, 0, &tx_queue);
if (err) {
printf("dpni_set_queue() failed\n");
return err;
}
err = dpni_set_tx_confirmation_mode(dflt_mc_io, MC_CMD_NO_FLAGS,
dflt_dpni->dpni_handle,
DPNI_CONF_DISABLE);
if (err) {
printf("dpni_set_tx_confirmation_mode() failed\n");
return err;
}
return 0;
}
#ifdef CONFIG_DM_ETH
static int ldpaa_eth_probe(struct udevice *dev)
{
struct ofnode_phandle_args phandle;
/* Nothing to do if there is no "phy-handle" in the DTS node */
if (dev_read_phandle_with_args(dev, "phy-handle", NULL,
0, 0, &phandle)) {
return 0;
}
init_phy(dev);
return 0;
}
static uint32_t ldpaa_eth_get_dpmac_id(struct udevice *dev)
{
int port_node = dev_of_offset(dev);
return fdtdec_get_uint(gd->fdt_blob, port_node, "reg", -1);
}
static const char *ldpaa_eth_get_phy_mode_str(struct udevice *dev)
{
int port_node = dev_of_offset(dev);
const char *phy_mode_str;
phy_mode_str = fdt_getprop(gd->fdt_blob, port_node,
"phy-connection-type", NULL);
if (phy_mode_str)
return phy_mode_str;
phy_mode_str = fdt_getprop(gd->fdt_blob, port_node, "phy-mode", NULL);
return phy_mode_str;
}
static int ldpaa_eth_bind(struct udevice *dev)
{
const char *phy_mode_str = NULL;
uint32_t dpmac_id;
char eth_name[16];
int phy_mode = -1;
phy_mode_str = ldpaa_eth_get_phy_mode_str(dev);
if (phy_mode_str)
phy_mode = phy_get_interface_by_name(phy_mode_str);
if (phy_mode == -1) {
dev_err(dev, "incorrect phy mode\n");
return -EINVAL;
}
dpmac_id = ldpaa_eth_get_dpmac_id(dev);
if (dpmac_id == -1) {
dev_err(dev, "missing reg field from the dpmac node\n");
return -EINVAL;
}
sprintf(eth_name, "DPMAC%d@%s", dpmac_id, phy_mode_str);
device_set_name(dev, eth_name);
return 0;
}
static int ldpaa_eth_ofdata_to_platdata(struct udevice *dev)
{
struct ldpaa_eth_priv *priv = dev_get_priv(dev);
const char *phy_mode_str;
priv->dpmac_id = ldpaa_eth_get_dpmac_id(dev);
phy_mode_str = ldpaa_eth_get_phy_mode_str(dev);
priv->phy_mode = phy_get_interface_by_name(phy_mode_str);
return 0;
}
static const struct eth_ops ldpaa_eth_ops = {
.start = ldpaa_eth_open,
.send = ldpaa_eth_tx,
.recv = ldpaa_eth_pull_dequeue_rx,
.stop = ldpaa_eth_stop,
};
static const struct udevice_id ldpaa_eth_of_ids[] = {
{ .compatible = "fsl,qoriq-mc-dpmac" },
};
U_BOOT_DRIVER(ldpaa_eth) = {
.name = "ldpaa_eth",
.id = UCLASS_ETH,
.of_match = ldpaa_eth_of_ids,
.ofdata_to_platdata = ldpaa_eth_ofdata_to_platdata,
.bind = ldpaa_eth_bind,
.probe = ldpaa_eth_probe,
.ops = &ldpaa_eth_ops,
.priv_auto_alloc_size = sizeof(struct ldpaa_eth_priv),
.platdata_auto_alloc_size = sizeof(struct eth_pdata),
};
#else
static int ldpaa_eth_netdev_init(struct eth_device *net_dev,
phy_interface_t enet_if)
{
int err;
struct ldpaa_eth_priv *priv = (struct ldpaa_eth_priv *)net_dev->priv;
snprintf(net_dev->name, ETH_NAME_LEN, "DPMAC%d@%s", priv->dpmac_id,
phy_interface_strings[enet_if]);
net_dev->iobase = 0;
net_dev->init = ldpaa_eth_open;
net_dev->halt = ldpaa_eth_stop;
net_dev->send = ldpaa_eth_tx;
net_dev->recv = ldpaa_eth_pull_dequeue_rx;
#ifdef CONFIG_PHYLIB
err = init_phy(net_dev);
if (err < 0)
return err;
#endif
err = eth_register(net_dev);
if (err < 0) {
printf("eth_register() = %d\n", err);
return err;
}
return 0;
}
int ldpaa_eth_init(int dpmac_id, phy_interface_t enet_if)
{
struct eth_device *net_dev = NULL;
struct ldpaa_eth_priv *priv = NULL;
int err = 0;
/* Net device */
net_dev = (struct eth_device *)malloc(sizeof(struct eth_device));
if (!net_dev) {
printf("eth_device malloc() failed\n");
return -ENOMEM;
}
memset(net_dev, 0, sizeof(struct eth_device));
/* alloc the ldpaa ethernet private struct */
priv = (struct ldpaa_eth_priv *)malloc(sizeof(struct ldpaa_eth_priv));
if (!priv) {
printf("ldpaa_eth_priv malloc() failed\n");
free(net_dev);
return -ENOMEM;
}
memset(priv, 0, sizeof(struct ldpaa_eth_priv));
net_dev->priv = (void *)priv;
priv->net_dev = (struct eth_device *)net_dev;
priv->dpmac_id = dpmac_id;
debug("%s dpmac_id=%d\n", __func__, dpmac_id);
err = ldpaa_eth_netdev_init(net_dev, enet_if);
if (err)
goto err_netdev_init;
debug("ldpaa ethernet: Probed interface %s\n", net_dev->name);
return 0;
err_netdev_init:
free(priv);
net_dev->priv = NULL;
free(net_dev);
return err;
}
#endif