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From 4bbe44513bf9dc7041b2ce4aac6e841a0e10d2e6 Mon Sep 17 00:00:00 2001
From: Weijie Gao <weijie.gao@mediatek.com>
Date: Wed, 31 Aug 2022 19:04:29 +0800
Subject: [PATCH 09/32] net: mediatek: add support for MediaTek MT7981/MT7986
This patch adds support for MediaTek MT7981 and MT7986. Both chips uses
PDMA v2.
Reviewed-by: Ramon Fried <rfried.dev@gmail.com>
Signed-off-by: Weijie Gao <weijie.gao@mediatek.com>
---
drivers/net/mtk_eth.c | 27 +++++++++++++++++++++++++++
drivers/net/mtk_eth.h | 5 +++++
2 files changed, 32 insertions(+)
--- 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_et
/* 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 ude
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 ude
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_
};
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 },
--- 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)
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