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path: root/drivers/net/ethernet/mediatek/mtk_eth_soc.c
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Diffstat (limited to 'drivers/net/ethernet/mediatek/mtk_eth_soc.c')
-rw-r--r--drivers/net/ethernet/mediatek/mtk_eth_soc.c120
1 files changed, 84 insertions, 36 deletions
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index b344632beadd..4fba7cb0144b 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -73,6 +73,12 @@ static const struct mtk_reg_map mtk_reg_map = {
.fq_blen = 0x1b2c,
},
.gdm1_cnt = 0x2400,
+ .gdma_to_ppe = 0x4444,
+ .ppe_base = 0x0c00,
+ .wdma_base = {
+ [0] = 0x2800,
+ [1] = 0x2c00,
+ },
};
static const struct mtk_reg_map mt7628_reg_map = {
@@ -126,6 +132,12 @@ static const struct mtk_reg_map mt7986_reg_map = {
.fq_blen = 0x472c,
},
.gdm1_cnt = 0x1c00,
+ .gdma_to_ppe = 0x3333,
+ .ppe_base = 0x2000,
+ .wdma_base = {
+ [0] = 0x4800,
+ [1] = 0x4c00,
+ },
};
/* strings used by ethtool */
@@ -1573,8 +1585,8 @@ static int mtk_xdp_submit_frame(struct mtk_eth *eth, struct xdp_frame *xdpf,
.last = !xdp_frame_has_frags(xdpf),
};
int err, index = 0, n_desc = 1, nr_frags;
- struct mtk_tx_dma *htxd, *txd, *txd_pdma;
struct mtk_tx_buf *htx_buf, *tx_buf;
+ struct mtk_tx_dma *htxd, *txd;
void *data = xdpf->data;
if (unlikely(test_bit(MTK_RESETTING, &eth->state)))
@@ -1608,7 +1620,6 @@ static int mtk_xdp_submit_frame(struct mtk_eth *eth, struct xdp_frame *xdpf,
if (MTK_HAS_CAPS(soc->caps, MTK_QDMA) || (index & 0x1)) {
txd = mtk_qdma_phys_to_virt(ring, txd->txd2);
- txd_pdma = qdma_to_pdma(ring, txd);
if (txd == ring->last_free)
goto unmap;
@@ -1629,7 +1640,8 @@ static int mtk_xdp_submit_frame(struct mtk_eth *eth, struct xdp_frame *xdpf,
htx_buf->data = xdpf;
if (!MTK_HAS_CAPS(soc->caps, MTK_QDMA)) {
- txd_pdma = qdma_to_pdma(ring, txd);
+ struct mtk_tx_dma *txd_pdma = qdma_to_pdma(ring, txd);
+
if (index & 1)
txd_pdma->txd2 |= TX_DMA_LS0;
else
@@ -1660,13 +1672,15 @@ static int mtk_xdp_submit_frame(struct mtk_eth *eth, struct xdp_frame *xdpf,
unmap:
while (htxd != txd) {
- txd_pdma = qdma_to_pdma(ring, htxd);
tx_buf = mtk_desc_to_tx_buf(ring, htxd, soc->txrx.txd_size);
mtk_tx_unmap(eth, tx_buf, NULL, false);
htxd->txd3 = TX_DMA_LS0 | TX_DMA_OWNER_CPU;
- if (!MTK_HAS_CAPS(soc->caps, MTK_QDMA))
+ if (!MTK_HAS_CAPS(soc->caps, MTK_QDMA)) {
+ struct mtk_tx_dma *txd_pdma = qdma_to_pdma(ring, htxd);
+
txd_pdma->txd2 = TX_DMA_DESP2_DEF;
+ }
htxd = mtk_qdma_phys_to_virt(ring, htxd->txd2);
}
@@ -1892,12 +1906,14 @@ static int mtk_poll_rx(struct napi_struct *napi, int budget,
bytes += skb->len;
if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2)) {
+ reason = FIELD_GET(MTK_RXD5_PPE_CPU_REASON, trxd.rxd5);
hash = trxd.rxd5 & MTK_RXD5_FOE_ENTRY;
if (hash != MTK_RXD5_FOE_ENTRY)
skb_set_hash(skb, jhash_1word(hash, 0),
PKT_HASH_TYPE_L4);
rxdcsum = &trxd.rxd3;
} else {
+ reason = FIELD_GET(MTK_RXD4_PPE_CPU_REASON, trxd.rxd4);
hash = trxd.rxd4 & MTK_RXD4_FOE_ENTRY;
if (hash != MTK_RXD4_FOE_ENTRY)
skb_set_hash(skb, jhash_1word(hash, 0),
@@ -1911,9 +1927,8 @@ static int mtk_poll_rx(struct napi_struct *napi, int budget,
skb_checksum_none_assert(skb);
skb->protocol = eth_type_trans(skb, netdev);
- reason = FIELD_GET(MTK_RXD4_PPE_CPU_REASON, trxd.rxd4);
if (reason == MTK_PPE_CPU_REASON_HIT_UNBIND_RATE_REACHED)
- mtk_ppe_check_skb(eth->ppe, skb, hash);
+ mtk_ppe_check_skb(eth->ppe[0], skb, hash);
if (netdev->features & NETIF_F_HW_VLAN_CTAG_RX) {
if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2)) {
@@ -2976,21 +2991,25 @@ static int mtk_open(struct net_device *dev)
/* we run 2 netdevs on the same dma ring so we only bring it up once */
if (!refcount_read(&eth->dma_refcnt)) {
- u32 gdm_config = MTK_GDMA_TO_PDMA;
+ const struct mtk_soc_data *soc = eth->soc;
+ u32 gdm_config;
+ int i;
err = mtk_start_dma(eth);
if (err)
return err;
- if (eth->soc->offload_version && mtk_ppe_start(eth->ppe) == 0)
- gdm_config = MTK_GDMA_TO_PPE;
+ for (i = 0; i < ARRAY_SIZE(eth->ppe); i++)
+ mtk_ppe_start(eth->ppe[i]);
+ gdm_config = soc->offload_version ? soc->reg_map->gdma_to_ppe
+ : MTK_GDMA_TO_PDMA;
mtk_gdm_config(eth, gdm_config);
napi_enable(&eth->tx_napi);
napi_enable(&eth->rx_napi);
mtk_tx_irq_enable(eth, MTK_TX_DONE_INT);
- mtk_rx_irq_enable(eth, eth->soc->txrx.rx_irq_done_mask);
+ mtk_rx_irq_enable(eth, soc->txrx.rx_irq_done_mask);
refcount_set(&eth->dma_refcnt, 1);
}
else
@@ -3028,6 +3047,7 @@ static int mtk_stop(struct net_device *dev)
{
struct mtk_mac *mac = netdev_priv(dev);
struct mtk_eth *eth = mac->hw;
+ int i;
phylink_stop(mac->phylink);
@@ -3055,8 +3075,8 @@ static int mtk_stop(struct net_device *dev)
mtk_dma_free(eth);
- if (eth->soc->offload_version)
- mtk_ppe_stop(eth->ppe);
+ for (i = 0; i < ARRAY_SIZE(eth->ppe); i++)
+ mtk_ppe_stop(eth->ppe[i]);
return 0;
}
@@ -3556,8 +3576,8 @@ static void mtk_get_drvinfo(struct net_device *dev,
{
struct mtk_mac *mac = netdev_priv(dev);
- strlcpy(info->driver, mac->hw->dev->driver->name, sizeof(info->driver));
- strlcpy(info->bus_info, dev_name(mac->hw->dev), sizeof(info->bus_info));
+ strscpy(info->driver, mac->hw->dev->driver->name, sizeof(info->driver));
+ strscpy(info->bus_info, dev_name(mac->hw->dev), sizeof(info->bus_info));
info->n_stats = ARRAY_SIZE(mtk_ethtool_stats);
}
@@ -3925,6 +3945,7 @@ void mtk_eth_set_dma_device(struct mtk_eth *eth, struct device *dma_dev)
static int mtk_probe(struct platform_device *pdev)
{
+ struct resource *res = NULL;
struct device_node *mac_np;
struct mtk_eth *eth;
int err, i;
@@ -4005,20 +4026,31 @@ static int mtk_probe(struct platform_device *pdev)
}
}
- for (i = 0;; i++) {
- struct device_node *np = of_parse_phandle(pdev->dev.of_node,
- "mediatek,wed", i);
- static const u32 wdma_regs[] = {
- MTK_WDMA0_BASE,
- MTK_WDMA1_BASE
- };
- void __iomem *wdma;
-
- if (!np || i >= ARRAY_SIZE(wdma_regs))
- break;
+ if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2)) {
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res)
+ return -EINVAL;
+ }
- wdma = eth->base + wdma_regs[i];
- mtk_wed_add_hw(np, eth, wdma, i);
+ if (eth->soc->offload_version) {
+ for (i = 0;; i++) {
+ struct device_node *np;
+ phys_addr_t wdma_phy;
+ u32 wdma_base;
+
+ if (i >= ARRAY_SIZE(eth->soc->reg_map->wdma_base))
+ break;
+
+ np = of_parse_phandle(pdev->dev.of_node,
+ "mediatek,wed", i);
+ if (!np)
+ break;
+
+ wdma_base = eth->soc->reg_map->wdma_base[i];
+ wdma_phy = res ? res->start + wdma_base : 0;
+ mtk_wed_add_hw(np, eth, eth->base + wdma_base,
+ wdma_phy, i);
+ }
}
for (i = 0; i < 3; i++) {
@@ -4096,10 +4128,19 @@ static int mtk_probe(struct platform_device *pdev)
}
if (eth->soc->offload_version) {
- eth->ppe = mtk_ppe_init(eth, eth->base + MTK_ETH_PPE_BASE, 2);
- if (!eth->ppe) {
- err = -ENOMEM;
- goto err_free_dev;
+ u32 num_ppe;
+
+ num_ppe = MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2) ? 2 : 1;
+ num_ppe = min_t(u32, ARRAY_SIZE(eth->ppe), num_ppe);
+ for (i = 0; i < num_ppe; i++) {
+ u32 ppe_addr = eth->soc->reg_map->ppe_base + i * 0x400;
+
+ eth->ppe[i] = mtk_ppe_init(eth, eth->base + ppe_addr,
+ eth->soc->offload_version, i);
+ if (!eth->ppe[i]) {
+ err = -ENOMEM;
+ goto err_free_dev;
+ }
}
err = mtk_eth_offload_init(eth);
@@ -4125,10 +4166,8 @@ static int mtk_probe(struct platform_device *pdev)
* for NAPI to work
*/
init_dummy_netdev(&eth->dummy_dev);
- netif_napi_add(&eth->dummy_dev, &eth->tx_napi, mtk_napi_tx,
- NAPI_POLL_WEIGHT);
- netif_napi_add(&eth->dummy_dev, &eth->rx_napi, mtk_napi_rx,
- NAPI_POLL_WEIGHT);
+ netif_napi_add(&eth->dummy_dev, &eth->tx_napi, mtk_napi_tx);
+ netif_napi_add(&eth->dummy_dev, &eth->rx_napi, mtk_napi_rx);
platform_set_drvdata(pdev, eth);
@@ -4192,6 +4231,8 @@ static const struct mtk_soc_data mt7621_data = {
.required_clks = MT7621_CLKS_BITMAP,
.required_pctl = false,
.offload_version = 2,
+ .hash_offset = 2,
+ .foe_entry_size = sizeof(struct mtk_foe_entry) - 16,
.txrx = {
.txd_size = sizeof(struct mtk_tx_dma),
.rxd_size = sizeof(struct mtk_rx_dma),
@@ -4210,6 +4251,8 @@ static const struct mtk_soc_data mt7622_data = {
.required_clks = MT7622_CLKS_BITMAP,
.required_pctl = false,
.offload_version = 2,
+ .hash_offset = 2,
+ .foe_entry_size = sizeof(struct mtk_foe_entry) - 16,
.txrx = {
.txd_size = sizeof(struct mtk_tx_dma),
.rxd_size = sizeof(struct mtk_rx_dma),
@@ -4227,6 +4270,8 @@ static const struct mtk_soc_data mt7623_data = {
.required_clks = MT7623_CLKS_BITMAP,
.required_pctl = true,
.offload_version = 2,
+ .hash_offset = 2,
+ .foe_entry_size = sizeof(struct mtk_foe_entry) - 16,
.txrx = {
.txd_size = sizeof(struct mtk_tx_dma),
.rxd_size = sizeof(struct mtk_rx_dma),
@@ -4258,8 +4303,11 @@ static const struct mtk_soc_data mt7986_data = {
.reg_map = &mt7986_reg_map,
.ana_rgc3 = 0x128,
.caps = MT7986_CAPS,
+ .hw_features = MTK_HW_FEATURES,
.required_clks = MT7986_CLKS_BITMAP,
.required_pctl = false,
+ .hash_offset = 4,
+ .foe_entry_size = sizeof(struct mtk_foe_entry),
.txrx = {
.txd_size = sizeof(struct mtk_tx_dma_v2),
.rxd_size = sizeof(struct mtk_rx_dma_v2),
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-02 16:29:20 +0300