diff options
Diffstat (limited to 'target/linux/generic/pending-5.15/737-04-net-ethernet-mtk_eth_soc-add-MTK_NETSYS_V3-capabilit.patch')
| -rw-r--r-- | target/linux/generic/pending-5.15/737-04-net-ethernet-mtk_eth_soc-add-MTK_NETSYS_V3-capabilit.patch | 292 |
1 files changed, 292 insertions, 0 deletions
diff --git a/target/linux/generic/pending-5.15/737-04-net-ethernet-mtk_eth_soc-add-MTK_NETSYS_V3-capabilit.patch b/target/linux/generic/pending-5.15/737-04-net-ethernet-mtk_eth_soc-add-MTK_NETSYS_V3-capabilit.patch new file mode 100644 index 0000000000..80d729db17 --- /dev/null +++ b/target/linux/generic/pending-5.15/737-04-net-ethernet-mtk_eth_soc-add-MTK_NETSYS_V3-capabilit.patch @@ -0,0 +1,292 @@ +From ab817f559d505329d8a413c7d29250f6d87d77a0 Mon Sep 17 00:00:00 2001 +From: Lorenzo Bianconi <lorenzo@kernel.org> +Date: Tue, 7 Mar 2023 15:55:47 +0000 +Subject: [PATCH 4/7] net: ethernet: mtk_eth_soc: add MTK_NETSYS_V3 capability + bit + +Introduce MTK_NETSYS_V3 bit in the device capabilities. +This is a preliminary patch to introduce support for MT7988 SoC. + +Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> +Signed-off-by: Daniel Golle <daniel@makrotopia.org> +--- + drivers/net/ethernet/mediatek/mtk_eth_soc.c | 115 ++++++++++++++++---- + drivers/net/ethernet/mediatek/mtk_eth_soc.h | 44 +++++++- + 2 files changed, 134 insertions(+), 25 deletions(-) + +--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c ++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c +@@ -880,17 +880,32 @@ void mtk_stats_update_mac(struct mtk_mac + mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x20 + offs); + hw_stats->rx_flow_control_packets += + mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x24 + offs); +- hw_stats->tx_skip += +- mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x28 + offs); +- hw_stats->tx_collisions += +- mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x2c + offs); +- hw_stats->tx_bytes += +- mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x30 + offs); +- stats = mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x34 + offs); +- if (stats) +- hw_stats->tx_bytes += (stats << 32); +- hw_stats->tx_packets += +- mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x38 + offs); ++ ++ if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V3)) { ++ hw_stats->tx_skip += ++ mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x50 + offs); ++ hw_stats->tx_collisions += ++ mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x54 + offs); ++ hw_stats->tx_bytes += ++ mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x40 + offs); ++ stats = mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x44 + offs); ++ if (stats) ++ hw_stats->tx_bytes += (stats << 32); ++ hw_stats->tx_packets += ++ mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x48 + offs); ++ } else { ++ hw_stats->tx_skip += ++ mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x28 + offs); ++ hw_stats->tx_collisions += ++ mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x2c + offs); ++ hw_stats->tx_bytes += ++ mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x30 + offs); ++ stats = mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x34 + offs); ++ if (stats) ++ hw_stats->tx_bytes += (stats << 32); ++ hw_stats->tx_packets += ++ mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x38 + offs); ++ } + } + + u64_stats_update_end(&hw_stats->syncp); +@@ -1192,7 +1207,10 @@ static void mtk_tx_set_dma_desc_v2(struc + data |= TX_DMA_LS0; + WRITE_ONCE(desc->txd3, data); + +- data = (mac->id + 1) << TX_DMA_FPORT_SHIFT_V2; /* forward port */ ++ if (mac->id == MTK_GMAC3_ID) ++ data = PSE_GDM3_PORT; ++ else ++ data = (mac->id + 1) << TX_DMA_FPORT_SHIFT_V2; /* forward port */ + data |= TX_DMA_SWC_V2 | QID_BITS_V2(info->qid); + WRITE_ONCE(desc->txd4, data); + +@@ -1203,6 +1221,9 @@ static void mtk_tx_set_dma_desc_v2(struc + /* tx checksum offload */ + if (info->csum) + data |= TX_DMA_CHKSUM_V2; ++ if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V3) && ++ netdev_uses_dsa(dev)) ++ data |= TX_DMA_SPTAG_V3; + } + WRITE_ONCE(desc->txd5, data); + +@@ -1268,8 +1289,13 @@ static int mtk_tx_map(struct sk_buff *sk + mtk_tx_set_dma_desc(dev, itxd, &txd_info); + + itx_buf->flags |= MTK_TX_FLAGS_SINGLE0; +- itx_buf->flags |= (!mac->id) ? MTK_TX_FLAGS_FPORT0 : +- MTK_TX_FLAGS_FPORT1; ++ if (mac->id == MTK_GMAC1_ID) ++ itx_buf->flags |= MTK_TX_FLAGS_FPORT0; ++ else if (mac->id == MTK_GMAC2_ID) ++ itx_buf->flags |= MTK_TX_FLAGS_FPORT1; ++ else ++ itx_buf->flags |= MTK_TX_FLAGS_FPORT2; ++ + setup_tx_buf(eth, itx_buf, itxd_pdma, txd_info.addr, txd_info.size, + k++); + +@@ -1317,8 +1343,13 @@ static int mtk_tx_map(struct sk_buff *sk + memset(tx_buf, 0, sizeof(*tx_buf)); + tx_buf->data = (void *)MTK_DMA_DUMMY_DESC; + tx_buf->flags |= MTK_TX_FLAGS_PAGE0; +- tx_buf->flags |= (!mac->id) ? MTK_TX_FLAGS_FPORT0 : +- MTK_TX_FLAGS_FPORT1; ++ ++ if (mac->id == MTK_GMAC1_ID) ++ tx_buf->flags |= MTK_TX_FLAGS_FPORT0; ++ else if (mac->id == MTK_GMAC2_ID) ++ tx_buf->flags |= MTK_TX_FLAGS_FPORT1; ++ else ++ tx_buf->flags |= MTK_TX_FLAGS_FPORT2; + + setup_tx_buf(eth, tx_buf, txd_pdma, txd_info.addr, + txd_info.size, k++); +@@ -1902,11 +1933,24 @@ static int mtk_poll_rx(struct napi_struc + break; + + /* find out which mac the packet come from. values start at 1 */ +- if (!MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V1)) +- mac = RX_DMA_GET_SPORT_V2(trxd.rxd5) - 1; +- else if (!MTK_HAS_CAPS(eth->soc->caps, MTK_SOC_MT7628) && +- !(trxd.rxd4 & RX_DMA_SPECIAL_TAG)) ++ if (!MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V1)) { ++ u32 val = RX_DMA_GET_SPORT_V2(trxd.rxd5); ++ ++ switch (val) { ++ case PSE_GDM1_PORT: ++ case PSE_GDM2_PORT: ++ mac = val - 1; ++ break; ++ case PSE_GDM3_PORT: ++ mac = MTK_GMAC3_ID; ++ break; ++ default: ++ break; ++ } ++ } else if (!MTK_HAS_CAPS(eth->soc->caps, MTK_SOC_MT7628) && ++ !(trxd.rxd4 & RX_DMA_SPECIAL_TAG)) { + mac = RX_DMA_GET_SPORT(trxd.rxd4) - 1; ++ } + + if (unlikely(mac < 0 || mac >= eth->soc->num_devs || + !eth->netdev[mac])) +@@ -2135,7 +2179,9 @@ static int mtk_poll_tx_qdma(struct mtk_e + tx_buf = mtk_desc_to_tx_buf(ring, desc, + eth->soc->txrx.txd_size); + if (tx_buf->flags & MTK_TX_FLAGS_FPORT1) +- mac = 1; ++ mac = MTK_GMAC2_ID; ++ else if (tx_buf->flags & MTK_TX_FLAGS_FPORT2) ++ mac = MTK_GMAC3_ID; + + if (!tx_buf->data) + break; +@@ -3742,7 +3788,26 @@ static int mtk_hw_init(struct mtk_eth *e + mtk_w32(eth, eth->soc->txrx.rx_irq_done_mask, reg_map->qdma.int_grp + 4); + mtk_w32(eth, 0x21021000, MTK_FE_INT_GRP); + +- if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2)) { ++ if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V3)) { ++ /* PSE should not drop port1, port8 and port9 packets */ ++ mtk_w32(eth, 0x00000302, PSE_DROP_CFG); ++ ++ /* GDM and CDM Threshold */ ++ mtk_w32(eth, 0x00000707, MTK_CDMW0_THRES); ++ mtk_w32(eth, 0x00000077, MTK_CDMW1_THRES); ++ ++ /* Disable GDM1 RX CRC stripping */ ++ val = mtk_r32(eth, MTK_GDMA_FWD_CFG(0)); ++ val &= ~MTK_GDMA_STRP_CRC; ++ mtk_w32(eth, val, MTK_GDMA_FWD_CFG(0)); ++ ++ /* PSE GDM3 MIB counter has incorrect hw default values, ++ * so the driver ought to read clear the values beforehand ++ * in case ethtool retrieve wrong mib values. ++ */ ++ for (i = 0; i < 0x80; i += 0x4) ++ mtk_r32(eth, reg_map->gdm1_cnt + 0x100 + i); ++ } else if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2)) { + /* PSE should not drop port8 and port9 packets from WDMA Tx */ + mtk_w32(eth, 0x00000300, PSE_DROP_CFG); + +@@ -4314,7 +4379,11 @@ static int mtk_add_mac(struct mtk_eth *e + } + spin_lock_init(&mac->hw_stats->stats_lock); + u64_stats_init(&mac->hw_stats->syncp); +- mac->hw_stats->reg_offset = id * MTK_STAT_OFFSET; ++ ++ if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V3)) ++ mac->hw_stats->reg_offset = id * 0x80; ++ else ++ mac->hw_stats->reg_offset = id * 0x40; + + /* phylink create */ + err = of_get_phy_mode(np, &phy_mode); +--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h ++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h +@@ -121,6 +121,7 @@ + #define MTK_GDMA_ICS_EN BIT(22) + #define MTK_GDMA_TCS_EN BIT(21) + #define MTK_GDMA_UCS_EN BIT(20) ++#define MTK_GDMA_STRP_CRC BIT(16) + #define MTK_GDMA_TO_PDMA 0x0 + #define MTK_GDMA_DROP_ALL 0x7777 + +@@ -286,8 +287,6 @@ + /* QDMA Interrupt grouping registers */ + #define MTK_RLS_DONE_INT BIT(0) + +-#define MTK_STAT_OFFSET 0x40 +- + /* QDMA TX NUM */ + #define QID_BITS_V2(x) (((x) & 0x3f) << 16) + #define MTK_QDMA_GMAC2_QID 8 +@@ -300,6 +299,8 @@ + #define TX_DMA_CHKSUM_V2 (0x7 << 28) + #define TX_DMA_TSO_V2 BIT(31) + ++#define TX_DMA_SPTAG_V3 BIT(27) ++ + /* QDMA V2 descriptor txd4 */ + #define TX_DMA_FPORT_SHIFT_V2 8 + #define TX_DMA_FPORT_MASK_V2 0xf +@@ -636,6 +637,7 @@ enum mtk_tx_flags { + */ + MTK_TX_FLAGS_FPORT0 = 0x04, + MTK_TX_FLAGS_FPORT1 = 0x08, ++ MTK_TX_FLAGS_FPORT2 = 0x10, + }; + + /* This enum allows us to identify how the clock is defined on the array of the +@@ -721,6 +723,42 @@ enum mtk_dev_state { + MTK_RESETTING + }; + ++/* PSE Port Definition */ ++enum mtk_pse_port { ++ PSE_ADMA_PORT = 0, ++ PSE_GDM1_PORT, ++ PSE_GDM2_PORT, ++ PSE_PPE0_PORT, ++ PSE_PPE1_PORT, ++ PSE_QDMA_TX_PORT, ++ PSE_QDMA_RX_PORT, ++ PSE_DROP_PORT, ++ PSE_WDMA0_PORT, ++ PSE_WDMA1_PORT, ++ PSE_TDMA_PORT, ++ PSE_NONE_PORT, ++ PSE_PPE2_PORT, ++ PSE_WDMA2_PORT, ++ PSE_EIP197_PORT, ++ PSE_GDM3_PORT, ++ PSE_PORT_MAX ++}; ++ ++/* GMAC Identifier */ ++enum mtk_gmac_id { ++ MTK_GMAC1_ID = 0, ++ MTK_GMAC2_ID, ++ MTK_GMAC3_ID, ++ MTK_GMAC_ID_MAX ++}; ++ ++/* GDM Type */ ++enum mtk_gdm_type { ++ MTK_GDM_TYPE = 0, ++ MTK_XGDM_TYPE, ++ MTK_GDM_TYPE_MAX ++}; ++ + enum mtk_tx_buf_type { + MTK_TYPE_SKB, + MTK_TYPE_XDP_TX, +@@ -817,6 +855,7 @@ enum mkt_eth_capabilities { + MTK_QDMA_BIT, + MTK_NETSYS_V1_BIT, + MTK_NETSYS_V2_BIT, ++ MTK_NETSYS_V3_BIT, + MTK_SOC_MT7628_BIT, + MTK_RSTCTRL_PPE1_BIT, + MTK_U3_COPHY_V2_BIT, +@@ -853,6 +892,7 @@ enum mkt_eth_capabilities { + #define MTK_QDMA BIT(MTK_QDMA_BIT) + #define MTK_NETSYS_V1 BIT(MTK_NETSYS_V1_BIT) + #define MTK_NETSYS_V2 BIT(MTK_NETSYS_V2_BIT) ++#define MTK_NETSYS_V3 BIT(MTK_NETSYS_V3_BIT) + #define MTK_SOC_MT7628 BIT(MTK_SOC_MT7628_BIT) + #define MTK_RSTCTRL_PPE1 BIT(MTK_RSTCTRL_PPE1_BIT) + #define MTK_U3_COPHY_V2 BIT(MTK_U3_COPHY_V2_BIT) |