blob: f6eaa950a98f6f5f1fc262efba53622414f5c3d4 [file] [log] [blame]
/*
* Copyright 2023 NXP
*
* SPDX-License-Identifier: Apache-2.0
*/
#define DT_DRV_COMPAT nxp_s32_gmac
#include <zephyr/logging/log.h>
LOG_MODULE_REGISTER(nxp_s32_eth, CONFIG_ETHERNET_LOG_LEVEL);
#include <zephyr/kernel.h>
#include <zephyr/device.h>
#include <zephyr/drivers/pinctrl.h>
#include <zephyr/net/ethernet.h>
#include <zephyr/net/net_if.h>
#include <zephyr/net/net_pkt.h>
#include <zephyr/net/phy.h>
#include <ethernet/eth_stats.h>
#include <soc.h>
#include <Gmac_Ip.h>
#include <Gmac_Ip_Hw_Access.h>
#include <Gmac_Ip_Irq.h>
#include <Clock_Ip.h>
#include "eth.h"
#define ETH_NXP_S32_BUF_TIMEOUT K_MSEC(20)
#define ETH_NXP_S32_DMA_TX_TIMEOUT K_MSEC(20)
#define ETH_NXP_S32_MAC_ADDR_LEN 6U
#define FREESCALE_OUI_B0 0x00
#define FREESCALE_OUI_B1 0x04
#define FREESCALE_OUI_B2 0x9f
struct eth_nxp_s32_config {
uint8_t instance;
uint8_t tx_ring_idx;
uint8_t rx_ring_idx;
uint32_t rx_irq;
uint32_t tx_irq;
void (*do_config)(void);
const struct pinctrl_dev_config *pincfg;
const struct device *phy_dev;
const Gmac_CtrlConfigType ctrl_cfg;
GMAC_Type *base;
};
struct eth_nxp_s32_data {
struct net_if *iface;
uint8_t mac_addr[ETH_NXP_S32_MAC_ADDR_LEN];
uint8_t if_suspended;
struct k_mutex tx_mutex;
struct k_sem rx_sem;
struct k_sem tx_sem;
struct k_thread rx_thread;
K_KERNEL_STACK_MEMBER(rx_thread_stack, CONFIG_ETH_NXP_S32_RX_THREAD_STACK_SIZE);
};
static void eth_nxp_s32_rx_thread(void *arg1, void *unused1, void *unused2);
static inline struct net_if *get_iface(struct eth_nxp_s32_data *ctx)
{
return ctx->iface;
}
static void convert_phy_to_mac_config(Gmac_Ip_ConfigType *gmac_cfg, enum phy_link_speed phy_speed)
{
switch (phy_speed) {
case LINK_HALF_10BASE_T:
gmac_cfg->Speed = GMAC_SPEED_10M;
gmac_cfg->Duplex = GMAC_HALF_DUPLEX;
break;
case LINK_FULL_10BASE_T:
gmac_cfg->Speed = GMAC_SPEED_10M;
gmac_cfg->Duplex = GMAC_FULL_DUPLEX;
break;
case LINK_HALF_100BASE_T:
gmac_cfg->Speed = GMAC_SPEED_100M;
gmac_cfg->Duplex = GMAC_HALF_DUPLEX;
break;
case LINK_FULL_100BASE_T:
gmac_cfg->Speed = GMAC_SPEED_100M;
gmac_cfg->Duplex = GMAC_FULL_DUPLEX;
break;
case LINK_HALF_1000BASE_T:
gmac_cfg->Speed = GMAC_SPEED_1G;
gmac_cfg->Duplex = GMAC_HALF_DUPLEX;
break;
case LINK_FULL_1000BASE_T:
__fallthrough;
default:
gmac_cfg->Speed = GMAC_SPEED_1G;
gmac_cfg->Duplex = GMAC_FULL_DUPLEX;
break;
}
}
static void phy_link_state_changed(const struct device *pdev,
struct phy_link_state *state,
void *user_data)
{
const struct device *dev = (struct device *)user_data;
const struct eth_nxp_s32_config *cfg = dev->config;
struct eth_nxp_s32_data *ctx = dev->data;
Gmac_Ip_ConfigType gmac_cfg;
ARG_UNUSED(pdev);
if (state->is_up) {
/* Porting phy link config to mac */
convert_phy_to_mac_config(&gmac_cfg, state->speed);
/* Set MAC configuration */
Gmac_Ip_SetSpeed(cfg->instance, gmac_cfg.Speed);
cfg->base->MAC_CONFIGURATION |= GMAC_MAC_CONFIGURATION_DM(gmac_cfg.Duplex);
/* net iface should be down even if PHY link state is up
* till the upper network layers have suspended the iface.
*/
if (ctx->if_suspended) {
return;
}
LOG_DBG("Link up");
net_eth_carrier_on(ctx->iface);
} else {
LOG_DBG("Link down");
net_eth_carrier_off(ctx->iface);
}
}
static const struct device *eth_nxp_s32_get_phy(const struct device *dev)
{
const struct eth_nxp_s32_config *cfg = dev->config;
return cfg->phy_dev;
}
#if defined(CONFIG_SOC_SERIES_S32K3)
static int select_phy_interface(Gmac_Ip_MiiModeType mode)
{
uint32_t regval;
switch (mode) {
case GMAC_MII_MODE:
regval = DCM_GPR_DCMRWF1_EMAC_CONF_SEL(0U);
break;
case GMAC_RMII_MODE:
regval = DCM_GPR_DCMRWF1_EMAC_CONF_SEL(2U);
break;
#if (FEATURE_GMAC_RGMII_EN == 1U)
case GMAC_RGMII_MODE:
regval = DCM_GPR_DCMRWF1_EMAC_CONF_SEL(1U);
break;
#endif
default:
return -EINVAL;
}
IP_DCM_GPR->DCMRWF1 = (IP_DCM_GPR->DCMRWF1 & ~DCM_GPR_DCMRWF1_EMAC_CONF_SEL_MASK) | regval;
return 0;
}
#else
#error "SoC not supported"
#endif /* CONFIG_SOC_SERIES_S32K3 */
static int eth_nxp_s32_init(const struct device *dev)
{
const struct eth_nxp_s32_config *cfg = dev->config;
struct eth_nxp_s32_data *ctx = dev->data;
Gmac_Ip_StatusType mac_status;
Clock_Ip_StatusType clk_status;
int err;
err = pinctrl_apply_state(cfg->pincfg, PINCTRL_STATE_DEFAULT);
if (err != 0) {
return err;
}
/*
* Currently, clock control shim driver does not support configuring clock
* muxes individually, so use the HAL directly.
*/
clk_status = Clock_Ip_Init(&Clock_Ip_aClockConfig[CONFIG_ETH_NXP_S32_CLOCK_CONFIG_IDX]);
if (clk_status != CLOCK_IP_SUCCESS) {
LOG_ERR("Failed to configure clocks (%d)", clk_status);
return -EIO;
}
/*
* PHY mode selection must be done before the controller is reset,
* because the interface type is latched at controller's reset
*/
err = select_phy_interface(cfg->ctrl_cfg.Gmac_pCtrlConfig->MiiMode);
if (err != 0) {
LOG_ERR("Failed to select PHY interface (%d)", err);
return -EIO;
}
mac_status = Gmac_Ip_Init(cfg->instance, &cfg->ctrl_cfg);
if (mac_status != GMAC_STATUS_SUCCESS) {
LOG_ERR("Failed to initialize GMAC%d (%d)", cfg->instance, mac_status);
return -EIO;
}
k_mutex_init(&ctx->tx_mutex);
k_sem_init(&ctx->rx_sem, 0, 1);
k_sem_init(&ctx->tx_sem, 0, 1);
k_thread_create(&ctx->rx_thread, ctx->rx_thread_stack,
K_KERNEL_STACK_SIZEOF(ctx->rx_thread_stack),
eth_nxp_s32_rx_thread, (void *)dev, NULL, NULL,
K_PRIO_COOP(CONFIG_ETH_NXP_S32_RX_THREAD_PRIO),
0, K_NO_WAIT);
k_thread_name_set(&ctx->rx_thread, "eth_nxp_s32_rx");
if (cfg->do_config != NULL) {
cfg->do_config();
}
return 0;
}
static int eth_nxp_s32_start(const struct device *dev)
{
const struct eth_nxp_s32_config *cfg = dev->config;
struct eth_nxp_s32_data *ctx = dev->data;
struct phy_link_state state;
Gmac_Ip_EnableController(cfg->instance);
irq_enable(cfg->rx_irq);
irq_enable(cfg->tx_irq);
/* If upper layers enable the net iface then mark it as
* not suspended so that PHY Link changes can have the impact
*/
ctx->if_suspended = false;
if (cfg->phy_dev) {
phy_get_link_state(cfg->phy_dev, &state);
/* Enable net_iface only when Ethernet PHY link is up or else
* if net_iface is enabled when link is down and tx happens
* in this state then the used tx buffers will never be recovered back.
*/
if (state.is_up == true) {
net_eth_carrier_on(ctx->iface);
}
} else {
net_eth_carrier_on(ctx->iface);
}
LOG_DBG("GMAC%d started", cfg->instance);
return 0;
}
static int eth_nxp_s32_stop(const struct device *dev)
{
const struct eth_nxp_s32_config *cfg = dev->config;
struct eth_nxp_s32_data *ctx = dev->data;
Gmac_Ip_StatusType status;
int err = 0;
irq_disable(cfg->rx_irq);
irq_disable(cfg->tx_irq);
/* If upper layers disable the net iface then mark it as suspended
* in order to save it from the PHY link state changes
*/
ctx->if_suspended = true;
net_eth_carrier_off(ctx->iface);
status = Gmac_Ip_DisableController(cfg->instance);
if (status != GMAC_STATUS_SUCCESS) {
LOG_ERR("Failed to disable controller GMAC%d (%d)", cfg->instance, status);
err = -EIO;
}
LOG_DBG("GMAC%d stopped", cfg->instance);
return err;
}
static void eth_nxp_s32_iface_init(struct net_if *iface)
{
const struct device *dev = net_if_get_device(iface);
const struct eth_nxp_s32_config *cfg = dev->config;
struct eth_nxp_s32_data *ctx = dev->data;
if (ctx->iface == NULL) {
ctx->iface = iface;
}
ethernet_init(iface);
net_if_set_link_addr(iface, ctx->mac_addr, sizeof(ctx->mac_addr), NET_LINK_ETHERNET);
LOG_INF("GMAC%d MAC address %02x:%02x:%02x:%02x:%02x:%02x", cfg->instance,
ctx->mac_addr[0], ctx->mac_addr[1], ctx->mac_addr[2],
ctx->mac_addr[3], ctx->mac_addr[4], ctx->mac_addr[5]);
/* Make sure that the net iface state is not suspended unless
* upper layers explicitly stop the iface
*/
ctx->if_suspended = false;
/* No PHY available, link is always up and MAC speed/duplex settings are fixed */
if (cfg->phy_dev == NULL) {
net_if_carrier_on(iface);
return;
}
/*
* GMAC controls the PHY. If PHY is configured either as fixed
* link or autoneg, the callback is executed at least once
* immediately after setting it.
*/
if (!device_is_ready(cfg->phy_dev)) {
LOG_ERR("PHY device (%p) is not ready, cannot init iface",
cfg->phy_dev);
return;
}
phy_link_callback_set(cfg->phy_dev, &phy_link_state_changed, (void *)dev);
}
static int eth_nxp_s32_tx(const struct device *dev, struct net_pkt *pkt)
{
struct eth_nxp_s32_data *ctx = dev->data;
const struct eth_nxp_s32_config *cfg = dev->config;
size_t pkt_len = net_pkt_get_len(pkt);
int res = 0;
Gmac_Ip_BufferType buf;
Gmac_Ip_TxInfoType tx_info;
Gmac_Ip_StatusType status;
Gmac_Ip_TxOptionsType tx_options = {
.NoInt = FALSE,
.CrcPadIns = GMAC_CRC_AND_PAD_INSERTION,
.ChecksumIns = GMAC_CHECKSUM_INSERTION_PROTO_PSEUDOH
};
__ASSERT(pkt, "Packet pointer is NULL");
k_mutex_lock(&ctx->tx_mutex, K_FOREVER);
k_sem_reset(&ctx->tx_sem);
buf.Length = (uint16_t)pkt_len;
buf.Data = NULL;
status = Gmac_Ip_GetTxBuff(cfg->instance, cfg->tx_ring_idx, &buf, NULL);
if (status != GMAC_STATUS_SUCCESS) {
LOG_ERR("Failed to get tx buffer (%d)", status);
res = -ENOBUFS;
goto error;
}
res = net_pkt_read(pkt, buf.Data, pkt_len);
if (res) {
LOG_ERR("Failed to copy packet to tx buffer (%d)", res);
res = -ENOBUFS;
goto error;
}
buf.Length = (uint16_t)pkt_len;
status = Gmac_Ip_SendFrame(cfg->instance, cfg->tx_ring_idx, &buf, &tx_options);
if (status != GMAC_STATUS_SUCCESS) {
LOG_ERR("Failed to tx frame (%d)", status);
res = -EIO;
goto error;
}
/* Wait for the transmission to complete */
if (k_sem_take(&ctx->tx_sem, ETH_NXP_S32_DMA_TX_TIMEOUT) != 0) {
LOG_ERR("Timeout transmitting frame");
res = -EIO;
goto error;
}
/* Restore the buffer address pointer and clear the descriptor after the status is read */
status = Gmac_Ip_GetTransmitStatus(cfg->instance, cfg->tx_ring_idx, &buf, &tx_info);
if (status != GMAC_STATUS_SUCCESS) {
LOG_ERR("Failed to restore tx buffer: %s (%d) ",
(status == GMAC_STATUS_BUSY ? "busy" : "buf not found"), status);
res = -EIO;
} else if (tx_info.ErrMask != 0U) {
LOG_ERR("Tx frame has errors (error mask 0x%X)", tx_info.ErrMask);
res = -EIO;
}
error:
k_mutex_unlock(&ctx->tx_mutex);
if (res != 0) {
eth_stats_update_errors_tx(ctx->iface);
}
return res;
}
static struct net_pkt *eth_nxp_s32_get_pkt(const struct device *dev,
Gmac_Ip_BufferType *buf,
Gmac_Ip_RxInfoType *rx_info)
{
struct eth_nxp_s32_data *ctx = dev->data;
struct net_pkt *pkt = NULL;
int res = 0;
/* Using root iface, it will be updated in net_recv_data() */
pkt = net_pkt_rx_alloc_with_buffer(ctx->iface, rx_info->PktLen,
AF_UNSPEC, 0, ETH_NXP_S32_BUF_TIMEOUT);
if (!pkt) {
LOG_ERR("Failed to allocate rx buffer of length %u", rx_info->PktLen);
goto exit;
}
res = net_pkt_write(pkt, buf->Data, rx_info->PktLen);
if (res) {
LOG_ERR("Failed to write rx frame into pkt buffer (%d)", res);
net_pkt_unref(pkt);
pkt = NULL;
goto exit;
}
exit:
if (!pkt) {
eth_stats_update_errors_rx(get_iface(ctx));
}
return pkt;
}
static void eth_nxp_s32_rx(const struct device *dev)
{
struct eth_nxp_s32_data *ctx = dev->data;
const struct eth_nxp_s32_config *cfg = dev->config;
struct net_pkt *pkt;
int res = 0;
Gmac_Ip_RxInfoType rx_info = {0};
Gmac_Ip_BufferType buf;
Gmac_Ip_StatusType status;
status = Gmac_Ip_ReadFrame(cfg->instance, cfg->rx_ring_idx, &buf, &rx_info);
if (rx_info.ErrMask != 0U) {
Gmac_Ip_ProvideRxBuff(cfg->instance, cfg->rx_ring_idx, &buf);
LOG_ERR("Rx frame has errors (error mask 0x%X)", rx_info.ErrMask);
} else if (status == GMAC_STATUS_SUCCESS) {
pkt = eth_nxp_s32_get_pkt(dev, &buf, &rx_info);
Gmac_Ip_ProvideRxBuff(cfg->instance, cfg->rx_ring_idx, &buf);
if (pkt != NULL) {
res = net_recv_data(get_iface(ctx), pkt);
if (res < 0) {
eth_stats_update_errors_rx(get_iface(ctx));
net_pkt_unref(pkt);
LOG_ERR("Failed to enqueue frame into rx queue (%d)", res);
}
}
}
}
static void eth_nxp_s32_rx_thread(void *arg1, void *unused1, void *unused2)
{
const struct device *dev = (const struct device *)arg1;
struct eth_nxp_s32_data *ctx = dev->data;
const struct eth_nxp_s32_config *cfg = dev->config;
int res;
int work;
ARG_UNUSED(unused1);
ARG_UNUSED(unused2);
__ASSERT_NO_MSG(arg1 != NULL);
__ASSERT_NO_MSG(ctx != NULL);
while (1) {
res = k_sem_take(&ctx->rx_sem, K_FOREVER);
__ASSERT_NO_MSG(res == 0);
work = 0;
while (Gmac_Ip_IsFrameAvailable(cfg->instance, cfg->rx_ring_idx)) {
eth_nxp_s32_rx(dev);
if (++work == CONFIG_ETH_NXP_S32_RX_BUDGET) {
/* More work to do, reschedule */
work = 0;
k_yield();
}
}
/* All work done, re-enable rx interrupt and exit polling */
irq_enable(cfg->rx_irq);
/* In case a frame arrived after last eth_nxp_s32_rx() and before irq_enable() */
if (Gmac_Ip_IsFrameAvailable(cfg->instance, cfg->rx_ring_idx)) {
eth_nxp_s32_rx(dev);
}
}
}
static int eth_nxp_s32_set_config(const struct device *dev,
enum ethernet_config_type type,
const struct ethernet_config *config)
{
struct eth_nxp_s32_data *ctx = dev->data;
const struct eth_nxp_s32_config *cfg = dev->config;
int res = 0;
uint32_t regval;
ARG_UNUSED(cfg);
ARG_UNUSED(regval);
switch (type) {
case ETHERNET_CONFIG_TYPE_MAC_ADDRESS:
/* Set new Ethernet MAC address and register it with the upper layer */
memcpy(ctx->mac_addr, config->mac_address.addr, sizeof(ctx->mac_addr));
Gmac_Ip_SetMacAddr(cfg->instance, (const uint8_t *)ctx->mac_addr);
net_if_set_link_addr(ctx->iface, ctx->mac_addr, sizeof(ctx->mac_addr),
NET_LINK_ETHERNET);
LOG_INF("MAC set to: %02x:%02x:%02x:%02x:%02x:%02x",
ctx->mac_addr[0], ctx->mac_addr[1], ctx->mac_addr[2],
ctx->mac_addr[3], ctx->mac_addr[4], ctx->mac_addr[5]);
break;
#if defined(CONFIG_NET_PROMISCUOUS_MODE)
case ETHERNET_CONFIG_TYPE_PROMISC_MODE:
regval = cfg->base->MAC_PACKET_FILTER;
if (config->promisc_mode && !(regval & GMAC_MAC_PACKET_FILTER_PR_MASK)) {
cfg->base->MAC_PACKET_FILTER |= GMAC_MAC_PACKET_FILTER_PR_MASK;
} else if (!config->promisc_mode && (regval & GMAC_MAC_PACKET_FILTER_PR_MASK)) {
cfg->base->MAC_PACKET_FILTER &= ~GMAC_MAC_PACKET_FILTER_PR_MASK;
} else {
res = -EALREADY;
}
break;
#endif
#if defined(CONFIG_ETH_NXP_S32_MULTICAST_FILTER)
case ETHERNET_HW_FILTERING:
if (config->filter.set) {
Gmac_Ip_AddDstAddrToHashFilter(cfg->instance,
config->filter.mac_address.addr);
} else {
Gmac_Ip_RemoveDstAddrFromHashFilter(cfg->instance,
config->filter.mac_address.addr);
}
break;
#endif
default:
res = -ENOTSUP;
break;
}
return res;
}
static enum ethernet_hw_caps eth_nxp_s32_get_capabilities(const struct device *dev)
{
ARG_UNUSED(dev);
return (ETHERNET_LINK_10BASE_T
| ETHERNET_LINK_100BASE_T
#if (FEATURE_GMAC_RGMII_EN == 1U)
| ETHERNET_LINK_1000BASE_T
#endif
| ETHERNET_DUPLEX_SET
| ETHERNET_HW_TX_CHKSUM_OFFLOAD
| ETHERNET_HW_RX_CHKSUM_OFFLOAD
#if defined(CONFIG_NET_VLAN)
| ETHERNET_HW_VLAN
#endif
#if defined(CONFIG_NET_PROMISCUOUS_MODE)
| ETHERNET_PROMISC_MODE
#endif
#if defined(CONFIG_ETH_NXP_S32_MULTICAST_FILTER)
| ETHERNET_HW_FILTERING
#endif
);
}
static void eth_nxp_s32_tx_irq(const struct device *dev)
{
const struct eth_nxp_s32_config *cfg = dev->config;
GMAC_TxIRQHandler(cfg->instance, cfg->tx_ring_idx);
}
static void eth_nxp_s32_rx_irq(const struct device *dev)
{
const struct eth_nxp_s32_config *cfg = dev->config;
GMAC_RxIRQHandler(cfg->instance, cfg->rx_ring_idx);
}
static const struct ethernet_api eth_api = {
.iface_api.init = eth_nxp_s32_iface_init,
.get_capabilities = eth_nxp_s32_get_capabilities,
.get_phy = eth_nxp_s32_get_phy,
.start = eth_nxp_s32_start,
.stop = eth_nxp_s32_stop,
.send = eth_nxp_s32_tx,
.set_config = eth_nxp_s32_set_config,
};
BUILD_ASSERT(((CONFIG_ETH_NXP_S32_RX_RING_BUF_SIZE * CONFIG_ETH_NXP_S32_RX_RING_LEN)
% FEATURE_GMAC_MTL_RX_FIFO_BLOCK_SIZE) == 0,
"CONFIG_ETH_NXP_S32_RX_RING_BUF_SIZE * CONFIG_ETH_NXP_S32_RX_RING_LEN "
"must be multiple of RX FIFO block size");
BUILD_ASSERT(((CONFIG_ETH_NXP_S32_TX_RING_BUF_SIZE * CONFIG_ETH_NXP_S32_TX_RING_LEN)
% FEATURE_GMAC_MTL_TX_FIFO_BLOCK_SIZE) == 0,
"CONFIG_ETH_NXP_S32_TX_RING_BUF_SIZE * CONFIG_ETH_NXP_S32_TX_RING_LEN "
"must be multiple of TX FIFO block size");
BUILD_ASSERT((CONFIG_ETH_NXP_S32_RX_RING_BUF_SIZE % FEATURE_GMAC_DATA_BUS_WIDTH_BYTES) == 0,
"CONFIG_ETH_NXP_S32_RX_RING_BUF_SIZE must be multiple of the data bus width");
BUILD_ASSERT((CONFIG_ETH_NXP_S32_TX_RING_BUF_SIZE % FEATURE_GMAC_DATA_BUS_WIDTH_BYTES) == 0,
"CONFIG_ETH_NXP_S32_TX_RING_BUF_SIZE must be multiple of the data bus width");
#define ETH_NXP_S32_MAC_MII(n) \
_CONCAT(_CONCAT(GMAC_, DT_INST_STRING_UPPER_TOKEN(n, phy_connection_type)), _MODE)
#define ETH_NXP_S32_IRQ_INIT(n, name) \
IRQ_CONNECT(DT_INST_IRQ_BY_NAME(n, name, irq), \
DT_INST_IRQ_BY_NAME(n, name, priority), \
eth_nxp_s32_##name##_irq, \
DEVICE_DT_INST_GET(n), \
COND_CODE_1(DT_INST_IRQ_HAS_CELL(n, flags), \
(DT_INST_IRQ_BY_NAME(n, name, flags)), (0)));
#define ETH_NXP_S32_INIT_CONFIG(n) \
static void eth_nxp_s32_init_config_##n(void) \
{ \
const struct device *dev = DEVICE_DT_INST_GET(n); \
struct eth_nxp_s32_data *ctx = dev->data; \
const struct eth_nxp_s32_config *cfg = dev->config; \
\
ETH_NXP_S32_IRQ_INIT(n, tx); \
ETH_NXP_S32_IRQ_INIT(n, rx); \
\
COND_CODE_1(DT_INST_PROP(n, zephyr_random_mac_address), ( \
gen_random_mac(ctx->mac_addr, FREESCALE_OUI_B0, \
FREESCALE_OUI_B1, FREESCALE_OUI_B2); \
Gmac_Ip_SetMacAddr(cfg->instance, ctx->mac_addr); \
), ( \
Gmac_Ip_GetMacAddr(cfg->instance, ctx->mac_addr); \
)) \
}
#define ETH_NXP_S32_RX_CALLBACK(n) \
static void eth_nxp_s32_rx_callback_##n(uint8_t inst, uint8_t chan) \
{ \
const struct device *dev = DEVICE_DT_INST_GET(n); \
struct eth_nxp_s32_data *ctx = dev->data; \
const struct eth_nxp_s32_config *cfg = dev->config; \
\
ARG_UNUSED(inst); \
ARG_UNUSED(chan); \
\
/* Rx irq will be re-enabled from Rx thread */ \
irq_disable(cfg->rx_irq); \
k_sem_give(&ctx->rx_sem); \
}
#define ETH_NXP_S32_TX_CALLBACK(n) \
static void eth_nxp_s32_tx_callback_##n(uint8_t inst, uint8_t chan) \
{ \
const struct device *dev = DEVICE_DT_INST_GET(n); \
struct eth_nxp_s32_data *ctx = dev->data; \
\
ARG_UNUSED(inst); \
ARG_UNUSED(chan); \
\
k_sem_give(&ctx->tx_sem); \
}
#define _ETH_NXP_S32_RING(n, name, len, buf_size) \
static Gmac_Ip_BufferDescriptorType eth_nxp_s32_##name##ring_desc_##n[len] \
__nocache __aligned(FEATURE_GMAC_BUFFDESCR_ALIGNMENT_BYTES); \
static uint8_t eth_nxp_s32_##name##ring_buf_##n[len * buf_size] \
__nocache __aligned(FEATURE_GMAC_BUFF_ALIGNMENT_BYTES)
#define ETH_NXP_S32_RX_RING(n) \
_ETH_NXP_S32_RING(n, rx, \
CONFIG_ETH_NXP_S32_RX_RING_LEN, \
CONFIG_ETH_NXP_S32_RX_RING_BUF_SIZE)
#define ETH_NXP_S32_TX_RING(n) \
_ETH_NXP_S32_RING(n, tx, \
CONFIG_ETH_NXP_S32_TX_RING_LEN, \
CONFIG_ETH_NXP_S32_TX_RING_BUF_SIZE)
#define ETH_NXP_S32_MAC_TXTIMESHAPER_CONFIG(n) \
static const Gmac_Ip_TxTimeAwareShaper eth_nxp_s32_mac_txtimeshaper_config_##n = {\
.GateControlList = NULL, \
}
#define ETH_NXP_S32_MAC_RXRING_CONFIG(n) \
static const Gmac_Ip_RxRingConfigType eth_nxp_s32_mac_rxring_config_##n = { \
.RingDesc = eth_nxp_s32_rxring_desc_##n, \
.Callback = eth_nxp_s32_rx_callback_##n, \
.Buffer = eth_nxp_s32_rxring_buf_##n, \
.Interrupts = (uint32_t)GMAC_CH_INTERRUPT_RI, \
.BufferLen = CONFIG_ETH_NXP_S32_RX_RING_BUF_SIZE, \
.RingSize = CONFIG_ETH_NXP_S32_RX_RING_LEN, \
.PriorityMask = 0U, \
.DmaBurstLength = 32U, \
}
#define ETH_NXP_S32_MAC_TXRING_CONFIG(n) \
static const Gmac_Ip_TxRingConfigType eth_nxp_s32_mac_txring_config_##n = { \
.Weight = 0U, \
.IdleSlopeCredit = 0U, \
.SendSlopeCredit = 0U, \
.HiCredit = 0U, \
.LoCredit = 0, \
.RingDesc = eth_nxp_s32_txring_desc_##n, \
.Callback = eth_nxp_s32_tx_callback_##n, \
.Buffer = eth_nxp_s32_txring_buf_##n, \
.Interrupts = (uint32_t)GMAC_CH_INTERRUPT_TI, \
.BufferLen = CONFIG_ETH_NXP_S32_TX_RING_BUF_SIZE, \
.RingSize = CONFIG_ETH_NXP_S32_TX_RING_LEN, \
.PriorityMask = 0U, \
.DmaBurstLength = 32U, \
.QueueOpMode = GMAC_OP_MODE_DCB_GEN, \
}
#define ETH_NXP_S32_MAC_PKT_FILTER(n) \
((uint32_t)(0U \
COND_CODE_1(CONFIG_ETH_NXP_S32_MULTICAST_FILTER, \
(|GMAC_PKT_FILTER_HASH_MULTICAST), \
(|GMAC_PKT_FILTER_PASS_ALL_MULTICAST)) \
))
#define ETH_NXP_S32_MAC_CONF(n) \
((uint32_t)(GMAC_MAC_CONFIG_CRC_STRIPPING \
| GMAC_MAC_CONFIG_AUTO_PAD \
| GMAC_MAC_CONFIG_CHECKSUM_OFFLOAD \
IF_ENABLED(CONFIG_ETH_NXP_S32_LOOPBACK, \
(|GMAC_MAC_CONFIG_LOOPBACK)) \
))
#define ETH_NXP_S32_MAC_CONFIG(n) \
static const Gmac_Ip_ConfigType eth_nxp_s32_mac_config_##n = { \
.RxRingCount = 1U, \
.TxRingCount = 1U, \
.Interrupts = 0U, \
.Callback = NULL, \
.TxSchedAlgo = GMAC_SCHED_ALGO_SP, \
.MiiMode = ETH_NXP_S32_MAC_MII(n), \
.Speed = GMAC_SPEED_100M, \
.Duplex = GMAC_FULL_DUPLEX, \
.MacConfig = ETH_NXP_S32_MAC_CONF(n), \
.MacPktFilterConfig = ETH_NXP_S32_MAC_PKT_FILTER(n), \
.EnableCtrl = false, \
}
#define ETH_NXP_S32_MAC_ADDR(n) \
BUILD_ASSERT(DT_INST_PROP(n, zephyr_random_mac_address) || \
NODE_HAS_VALID_MAC_ADDR(DT_DRV_INST(n)), \
"eth_nxp_s32_gmac requires either a fixed or random MAC address"); \
static const uint8_t eth_nxp_s32_mac_addr_##n[ETH_NXP_S32_MAC_ADDR_LEN] = \
DT_INST_PROP_OR(n, local_mac_address, {0U})
#define ETH_NXP_S32_MAC_STATE(n) Gmac_Ip_StateType eth_nxp_s32_mac_state_##n
#define ETH_NXP_S32_CTRL_CONFIG(n) \
{ \
.Gmac_pCtrlState = &eth_nxp_s32_mac_state_##n, \
.Gmac_pCtrlConfig = &eth_nxp_s32_mac_config_##n, \
.Gmac_paCtrlRxRingConfig = &eth_nxp_s32_mac_rxring_config_##n, \
.Gmac_paCtrlTxRingConfig = &eth_nxp_s32_mac_txring_config_##n, \
.Gmac_pau8CtrlPhysAddr = &eth_nxp_s32_mac_addr_##n[0], \
.Gmac_pCtrlTxTimeAwareShaper = &eth_nxp_s32_mac_txtimeshaper_config_##n,\
}
#define ETH_NXP_S32_HW_INSTANCE_CHECK(i, n) \
((DT_INST_REG_ADDR(n) == IP_GMAC_##i##_BASE) ? i : 0)
#define ETH_NXP_S32_HW_INSTANCE(n) \
LISTIFY(__DEBRACKET FEATURE_GMAC_NUM_INSTANCES, \
ETH_NXP_S32_HW_INSTANCE_CHECK, (|), n)
#define ETH_NXP_S32_PHY_DEV(n) \
(COND_CODE_1(DT_INST_NODE_HAS_PROP(n, phy_handle), \
(DEVICE_DT_GET(DT_INST_PHANDLE(n, phy_handle))), NULL))
#define ETH_NXP_S32_DEVICE(n) \
ETH_NXP_S32_TX_CALLBACK(n) \
ETH_NXP_S32_RX_CALLBACK(n) \
ETH_NXP_S32_INIT_CONFIG(n) \
ETH_NXP_S32_RX_RING(n); \
ETH_NXP_S32_TX_RING(n); \
ETH_NXP_S32_MAC_STATE(n); \
ETH_NXP_S32_MAC_TXTIMESHAPER_CONFIG(n); \
ETH_NXP_S32_MAC_RXRING_CONFIG(n); \
ETH_NXP_S32_MAC_TXRING_CONFIG(n); \
ETH_NXP_S32_MAC_CONFIG(n); \
ETH_NXP_S32_MAC_ADDR(n); \
PINCTRL_DT_INST_DEFINE(n); \
\
static const struct eth_nxp_s32_config eth_nxp_s32_config_##n = { \
.instance = ETH_NXP_S32_HW_INSTANCE(n), \
.base = (GMAC_Type *)DT_INST_REG_ADDR(n), \
.ctrl_cfg = ETH_NXP_S32_CTRL_CONFIG(n), \
.do_config = eth_nxp_s32_init_config_##n, \
.pincfg = PINCTRL_DT_INST_DEV_CONFIG_GET(n), \
.phy_dev = ETH_NXP_S32_PHY_DEV(n), \
.rx_irq = DT_INST_IRQ_BY_NAME(n, rx, irq), \
.tx_irq = DT_INST_IRQ_BY_NAME(n, tx, irq), \
.tx_ring_idx = 0U, \
.rx_ring_idx = 0U, \
}; \
\
static struct eth_nxp_s32_data eth_nxp_s32_data_##n; \
\
ETH_NET_DEVICE_DT_INST_DEFINE(n, \
eth_nxp_s32_init, \
NULL, \
&eth_nxp_s32_data_##n, \
&eth_nxp_s32_config_##n, \
CONFIG_ETH_INIT_PRIORITY, \
&eth_api, \
NET_ETH_MTU);
DT_INST_FOREACH_STATUS_OKAY(ETH_NXP_S32_DEVICE)