This patch adds support for MediaTek MT7981 and MT7986. Both chips uses PDMA v2.
Reviewed-by: Ramon Fried rfried.dev@gmail.com Tested-by: Daniel Golle daniel@makrotopia.org Signed-off-by: Weijie Gao weijie.gao@mediatek.com --- v3 changes: none v2 changes: none --- drivers/net/mtk_eth.c | 27 +++++++++++++++++++++++++++ drivers/net/mtk_eth.h | 5 +++++ 2 files changed, 32 insertions(+)
diff --git a/drivers/net/mtk_eth.c b/drivers/net/mtk_eth.c index fb72baae68..4c9fb266c7 100644 --- a/drivers/net/mtk_eth.c +++ b/drivers/net/mtk_eth.c @@ -115,6 +115,7 @@ struct mtk_eth_priv { int force_mode; int speed; int duplex; + bool pn_swap;
struct phy_device *phydev; int phy_interface; @@ -1057,6 +1058,12 @@ static void mtk_sgmii_init(struct mtk_eth_priv *priv) /* SGMII force mode setting */ writel(SGMII_FORCE_MODE, priv->sgmii_base + SGMSYS_SGMII_MODE);
+ /* SGMII PN SWAP setting */ + if (priv->pn_swap) { + setbits_le32(priv->sgmii_base + SGMSYS_QPHY_WRAP_CTRL, + SGMII_PN_SWAP_TX_RX); + } + /* Release PHYA power down state */ clrsetbits_le32(priv->sgmii_base + SGMSYS_QPHY_PWR_STATE_CTRL, SGMII_PHYA_PWD, 0); @@ -1470,6 +1477,8 @@ static int mtk_eth_of_to_plat(struct udevice *dev) dev_err(dev, "Unable to find sgmii\n"); return -ENODEV; } + + priv->pn_swap = ofnode_read_bool(args.node, "pn_swap"); }
/* check for switch first, otherwise phy will be used */ @@ -1520,6 +1529,22 @@ static int mtk_eth_of_to_plat(struct udevice *dev) return 0; }
+static const struct mtk_soc_data mt7986_data = { + .caps = MT7986_CAPS, + .ana_rgc3 = 0x128, + .pdma_base = PDMA_V2_BASE, + .txd_size = sizeof(struct mtk_tx_dma_v2), + .rxd_size = sizeof(struct mtk_rx_dma_v2), +}; + +static const struct mtk_soc_data mt7981_data = { + .caps = MT7986_CAPS, + .ana_rgc3 = 0x128, + .pdma_base = PDMA_V2_BASE, + .txd_size = sizeof(struct mtk_tx_dma_v2), + .rxd_size = sizeof(struct mtk_rx_dma_v2), +}; + static const struct mtk_soc_data mt7629_data = { .ana_rgc3 = 0x128, .pdma_base = PDMA_V1_BASE, @@ -1549,6 +1574,8 @@ static const struct mtk_soc_data mt7621_data = { };
static const struct udevice_id mtk_eth_ids[] = { + { .compatible = "mediatek,mt7986-eth", .data = (ulong)&mt7986_data }, + { .compatible = "mediatek,mt7981-eth", .data = (ulong)&mt7981_data }, { .compatible = "mediatek,mt7629-eth", .data = (ulong)&mt7629_data }, { .compatible = "mediatek,mt7623-eth", .data = (ulong)&mt7623_data }, { .compatible = "mediatek,mt7622-eth", .data = (ulong)&mt7622_data }, diff --git a/drivers/net/mtk_eth.h b/drivers/net/mtk_eth.h index 236c498a1b..1382ccbeb2 100644 --- a/drivers/net/mtk_eth.h +++ b/drivers/net/mtk_eth.h @@ -36,6 +36,8 @@ enum mkt_eth_capabilities {
#define MT7623_CAPS (MTK_GMAC1_TRGMII)
+#define MT7986_CAPS (MTK_NETSYS_V2) + /* Frame Engine Register Bases */ #define PDMA_V1_BASE 0x0800 #define PDMA_V2_BASE 0x6000 @@ -72,6 +74,9 @@ enum mkt_eth_capabilities { #define SGMSYS_QPHY_PWR_STATE_CTRL 0xe8 #define SGMII_PHYA_PWD BIT(4)
+#define SGMSYS_QPHY_WRAP_CTRL 0xec +#define SGMII_PN_SWAP_TX_RX 0x03 + #define SGMSYS_GEN2_SPEED 0x2028 #define SGMSYS_GEN2_SPEED_V2 0x128 #define SGMSYS_SPEED_2500 BIT(2)