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path: root/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
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Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/stmmac_main.c')
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_main.c67
1 files changed, 48 insertions, 19 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 9d104a05044d..ff1ffb46198a 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -51,6 +51,7 @@
#include <linux/reset.h>
#include <linux/of_mdio.h>
#include "dwmac1000.h"
+#include "dwxgmac2.h"
#include "hwif.h"
#define STMMAC_ALIGN(x) __ALIGN_KERNEL(x, SMP_CACHE_BYTES)
@@ -262,6 +263,21 @@ static void stmmac_clk_csr_set(struct stmmac_priv *priv)
else
priv->clk_csr = 0;
}
+
+ if (priv->plat->has_xgmac) {
+ if (clk_rate > 400000000)
+ priv->clk_csr = 0x5;
+ else if (clk_rate > 350000000)
+ priv->clk_csr = 0x4;
+ else if (clk_rate > 300000000)
+ priv->clk_csr = 0x3;
+ else if (clk_rate > 250000000)
+ priv->clk_csr = 0x2;
+ else if (clk_rate > 150000000)
+ priv->clk_csr = 0x1;
+ else
+ priv->clk_csr = 0x0;
+ }
}
static void print_pkt(unsigned char *buf, int len)
@@ -498,7 +514,7 @@ static void stmmac_get_rx_hwtstamp(struct stmmac_priv *priv, struct dma_desc *p,
if (!priv->hwts_rx_en)
return;
/* For GMAC4, the valid timestamp is from CTX next desc. */
- if (priv->plat->has_gmac4)
+ if (priv->plat->has_gmac4 || priv->plat->has_xgmac)
desc = np;
/* Check if timestamp is available */
@@ -540,6 +556,9 @@ static int stmmac_hwtstamp_ioctl(struct net_device *dev, struct ifreq *ifr)
u32 ts_event_en = 0;
u32 value = 0;
u32 sec_inc;
+ bool xmac;
+
+ xmac = priv->plat->has_gmac4 || priv->plat->has_xgmac;
if (!(priv->dma_cap.time_stamp || priv->adv_ts)) {
netdev_alert(priv->dev, "No support for HW time stamping\n");
@@ -575,7 +594,7 @@ static int stmmac_hwtstamp_ioctl(struct net_device *dev, struct ifreq *ifr)
/* PTP v1, UDP, any kind of event packet */
config.rx_filter = HWTSTAMP_FILTER_PTP_V1_L4_EVENT;
/* take time stamp for all event messages */
- if (priv->plat->has_gmac4)
+ if (xmac)
snap_type_sel = PTP_GMAC4_TCR_SNAPTYPSEL_1;
else
snap_type_sel = PTP_TCR_SNAPTYPSEL_1;
@@ -610,7 +629,7 @@ static int stmmac_hwtstamp_ioctl(struct net_device *dev, struct ifreq *ifr)
config.rx_filter = HWTSTAMP_FILTER_PTP_V2_L4_EVENT;
ptp_v2 = PTP_TCR_TSVER2ENA;
/* take time stamp for all event messages */
- if (priv->plat->has_gmac4)
+ if (xmac)
snap_type_sel = PTP_GMAC4_TCR_SNAPTYPSEL_1;
else
snap_type_sel = PTP_TCR_SNAPTYPSEL_1;
@@ -647,7 +666,7 @@ static int stmmac_hwtstamp_ioctl(struct net_device *dev, struct ifreq *ifr)
config.rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT;
ptp_v2 = PTP_TCR_TSVER2ENA;
/* take time stamp for all event messages */
- if (priv->plat->has_gmac4)
+ if (xmac)
snap_type_sel = PTP_GMAC4_TCR_SNAPTYPSEL_1;
else
snap_type_sel = PTP_TCR_SNAPTYPSEL_1;
@@ -718,7 +737,7 @@ static int stmmac_hwtstamp_ioctl(struct net_device *dev, struct ifreq *ifr)
/* program Sub Second Increment reg */
stmmac_config_sub_second_increment(priv,
priv->ptpaddr, priv->plat->clk_ptp_rate,
- priv->plat->has_gmac4, &sec_inc);
+ xmac, &sec_inc);
temp = div_u64(1000000000ULL, sec_inc);
/* Store sub second increment and flags for later use */
@@ -755,12 +774,14 @@ static int stmmac_hwtstamp_ioctl(struct net_device *dev, struct ifreq *ifr)
*/
static int stmmac_init_ptp(struct stmmac_priv *priv)
{
+ bool xmac = priv->plat->has_gmac4 || priv->plat->has_xgmac;
+
if (!(priv->dma_cap.time_stamp || priv->dma_cap.atime_stamp))
return -EOPNOTSUPP;
priv->adv_ts = 0;
- /* Check if adv_ts can be enabled for dwmac 4.x core */
- if (priv->plat->has_gmac4 && priv->dma_cap.atime_stamp)
+ /* Check if adv_ts can be enabled for dwmac 4.x / xgmac core */
+ if (xmac && priv->dma_cap.atime_stamp)
priv->adv_ts = 1;
/* Dwmac 3.x core with extend_desc can support adv_ts */
else if (priv->extend_desc && priv->dma_cap.atime_stamp)
@@ -2173,6 +2194,12 @@ static int stmmac_init_dma_engine(struct stmmac_priv *priv)
return ret;
}
+ /* DMA Configuration */
+ stmmac_dma_init(priv, priv->ioaddr, priv->plat->dma_cfg, atds);
+
+ if (priv->plat->axi)
+ stmmac_axi(priv, priv->ioaddr, priv->plat->axi);
+
/* DMA RX Channel Configuration */
for (chan = 0; chan < rx_channels_count; chan++) {
rx_q = &priv->rx_queue[chan];
@@ -2203,12 +2230,6 @@ static int stmmac_init_dma_engine(struct stmmac_priv *priv)
for (chan = 0; chan < dma_csr_ch; chan++)
stmmac_init_chan(priv, priv->ioaddr, priv->plat->dma_cfg, chan);
- /* DMA Configuration */
- stmmac_dma_init(priv, priv->ioaddr, priv->plat->dma_cfg, atds);
-
- if (priv->plat->axi)
- stmmac_axi(priv, priv->ioaddr, priv->plat->axi);
-
return ret;
}
@@ -2526,9 +2547,6 @@ static int stmmac_hw_setup(struct net_device *dev, bool init_ptp)
netdev_warn(priv->dev, "%s: failed debugFS registration\n",
__func__);
#endif
- /* Start the ball rolling... */
- stmmac_start_all_dma(priv);
-
priv->tx_lpi_timer = STMMAC_DEFAULT_TWT_LS;
if (priv->use_riwt) {
@@ -2549,6 +2567,9 @@ static int stmmac_hw_setup(struct net_device *dev, bool init_ptp)
stmmac_enable_tso(priv, priv->ioaddr, 1, chan);
}
+ /* Start the ball rolling... */
+ stmmac_start_all_dma(priv);
+
return 0;
}
@@ -3305,6 +3326,9 @@ static int stmmac_rx(struct stmmac_priv *priv, int limit, u32 queue)
int coe = priv->hw->rx_csum;
unsigned int next_entry;
unsigned int count = 0;
+ bool xmac;
+
+ xmac = priv->plat->has_gmac4 || priv->plat->has_xgmac;
if (netif_msg_rx_status(priv)) {
void *rx_head;
@@ -3406,7 +3430,7 @@ static int stmmac_rx(struct stmmac_priv *priv, int limit, u32 queue)
* in case of GMAC4 because it needs
* to refill the used descriptors, always.
*/
- if (unlikely(!priv->plat->has_gmac4 &&
+ if (unlikely(!xmac &&
((frame_len < priv->rx_copybreak) ||
stmmac_rx_threshold_count(rx_q)))) {
skb = netdev_alloc_skb_ip_align(priv->dev,
@@ -3642,7 +3666,9 @@ static irqreturn_t stmmac_interrupt(int irq, void *dev_id)
u32 tx_cnt = priv->plat->tx_queues_to_use;
u32 queues_count;
u32 queue;
+ bool xmac;
+ xmac = priv->plat->has_gmac4 || priv->plat->has_xgmac;
queues_count = (rx_cnt > tx_cnt) ? rx_cnt : tx_cnt;
if (priv->irq_wake)
@@ -3661,7 +3687,7 @@ static irqreturn_t stmmac_interrupt(int irq, void *dev_id)
return IRQ_HANDLED;
/* To handle GMAC own interrupts */
- if ((priv->plat->has_gmac) || (priv->plat->has_gmac4)) {
+ if ((priv->plat->has_gmac) || xmac) {
int status = stmmac_host_irq_status(priv, priv->hw, &priv->xstats);
int mtl_status;
@@ -4269,6 +4295,8 @@ int stmmac_dvr_probe(struct device *device,
ndev->min_mtu = ETH_ZLEN - ETH_HLEN;
if ((priv->plat->enh_desc) || (priv->synopsys_id >= DWMAC_CORE_4_00))
ndev->max_mtu = JUMBO_LEN;
+ else if (priv->plat->has_xgmac)
+ ndev->max_mtu = XGMAC_JUMBO_LEN;
else
ndev->max_mtu = SKB_MAX_HEAD(NET_SKB_PAD + NET_IP_ALIGN);
/* Will not overwrite ndev->max_mtu if plat->maxmtu > ndev->max_mtu
@@ -4290,7 +4318,8 @@ int stmmac_dvr_probe(struct device *device,
* has to be disable and this can be done by passing the
* riwt_off field from the platform.
*/
- if ((priv->synopsys_id >= DWMAC_CORE_3_50) && (!priv->plat->riwt_off)) {
+ if (((priv->synopsys_id >= DWMAC_CORE_3_50) ||
+ (priv->plat->has_xgmac)) && (!priv->plat->riwt_off)) {
priv->use_riwt = 1;
dev_info(priv->device,
"Enable RX Mitigation via HW Watchdog Timer\n");
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-27 16:32:03 +0000