[U-Boot] [PATCH 05/11] ethernet: MediaTek: add ethernet driver for MediaTek ARM-based SoCs
Weijie Gao
weijie.gao at mediatek.com
Thu Dec 20 08:12:53 UTC 2018
This patch adds ethernet support for Mediatek ARM-based SoCs, including
a minimum setup of the integrated switch.
Cc: Joe Hershberger <joe.hershberger at ni.com>
Signed-off-by: Mark Lee <Mark-MC.Lee at mediatek.com>
Signed-off-by: Weijie Gao <weijie.gao at mediatek.com>
---
drivers/net/Kconfig | 10 +
drivers/net/Makefile | 1 +
drivers/net/mtk_eth.c | 1175 +++++++++++++++++++++++++++++++++++++++++
drivers/net/mtk_eth.h | 286 ++++++++++
4 files changed, 1472 insertions(+)
create mode 100644 drivers/net/mtk_eth.c
create mode 100644 drivers/net/mtk_eth.h
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index 8fb365fc5d2..470aa8d0b9e 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -495,4 +495,14 @@ config TSEC_ENET
This driver implements support for the (Enhanced) Three-Speed
Ethernet Controller found on Freescale SoCs.
+config MEDIATEK_ETH
+ bool "MediaTek Ethernet GMAC Driver"
+ depends on DM_ETH
+ select PHYLIB
+ select DM_GPIO
+ select DM_RESET
+ help
+ This Driver support MediaTek Ethernet GMAC
+ Say Y to enable support for the MediaTek Ethernet GMAC.
+
endif # NETDEVICES
diff --git a/drivers/net/Makefile b/drivers/net/Makefile
index 99056aa041d..f3740a6fe1d 100644
--- a/drivers/net/Makefile
+++ b/drivers/net/Makefile
@@ -72,3 +72,4 @@ obj-$(CONFIG_DWC_ETH_QOS) += dwc_eth_qos.o
obj-$(CONFIG_FSL_PFE) += pfe_eth/
obj-$(CONFIG_SNI_AVE) += sni_ave.o
obj-y += ti/
+obj-$(CONFIG_MEDIATEK_ETH) += mtk_eth.o
diff --git a/drivers/net/mtk_eth.c b/drivers/net/mtk_eth.c
new file mode 100644
index 00000000000..cc09404830a
--- /dev/null
+++ b/drivers/net/mtk_eth.c
@@ -0,0 +1,1175 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2018 MediaTek Inc.
+ *
+ * Author: Weijie Gao <weijie.gao at mediatek.com>
+ * Author: Mark Lee <mark-mc.lee at mediatek.com>
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <malloc.h>
+#include <miiphy.h>
+#include <regmap.h>
+#include <reset.h>
+#include <syscon.h>
+#include <wait_bit.h>
+#include <asm/gpio.h>
+#include <asm/io.h>
+#include <linux/err.h>
+#include <linux/ioport.h>
+#include <linux/mdio.h>
+#include <linux/mii.h>
+
+#include "mtk_eth.h"
+
+#define NUM_TX_DESC 24
+#define NUM_RX_DESC 24
+#define TX_TOTAL_BUF_SIZE (NUM_TX_DESC * PKTSIZE_ALIGN)
+#define RX_TOTAL_BUF_SIZE (NUM_RX_DESC * PKTSIZE_ALIGN)
+#define TOTAL_PKT_BUF_SIZE (TX_TOTAL_BUF_SIZE + RX_TOTAL_BUF_SIZE)
+
+#define MT7530_NUM_PHYS 5
+#define MT7530_DFL_SMI_ADDR 31
+
+#define MT7530_PHY_ADDR(base, addr) \
+ (((base) + (addr)) & 0x1f)
+
+#define GDMA_FWD_TO_CPU \
+ (0x20000000 | \
+ GDM_ICS_EN | \
+ GDM_TCS_EN | \
+ GDM_UCS_EN | \
+ STRP_CRC | \
+ (DP_PDMA << MYMAC_DP_S) | \
+ (DP_PDMA << BC_DP_S) | \
+ (DP_PDMA << MC_DP_S) | \
+ (DP_PDMA << UN_DP_S))
+
+#define GDMA_FWD_DISCARD \
+ (0x20000000 | \
+ GDM_ICS_EN | \
+ GDM_TCS_EN | \
+ GDM_UCS_EN | \
+ STRP_CRC | \
+ (DP_DISCARD << MYMAC_DP_S) | \
+ (DP_DISCARD << BC_DP_S) | \
+ (DP_DISCARD << MC_DP_S) | \
+ (DP_DISCARD << UN_DP_S))
+
+struct pdma_rxd_info1 {
+ u32 PDP0;
+};
+
+struct pdma_rxd_info2 {
+ u32 PLEN1 : 14;
+ u32 LS1 : 1;
+ u32 UN_USED : 1;
+ u32 PLEN0 : 14;
+ u32 LS0 : 1;
+ u32 DDONE : 1;
+};
+
+struct pdma_rxd_info3 {
+ u32 PDP1;
+};
+
+struct pdma_rxd_info4 {
+ u32 FOE_ENTRY : 14;
+ u32 CRSN : 5;
+ u32 SP : 3;
+ u32 L4F : 1;
+ u32 L4VLD : 1;
+ u32 TACK : 1;
+ u32 IP4F : 1;
+ u32 IP4 : 1;
+ u32 IP6 : 1;
+ u32 UN_USED : 4;
+};
+
+struct pdma_rxdesc {
+ struct pdma_rxd_info1 rxd_info1;
+ struct pdma_rxd_info2 rxd_info2;
+ struct pdma_rxd_info3 rxd_info3;
+ struct pdma_rxd_info4 rxd_info4;
+};
+
+struct pdma_txd_info1 {
+ u32 SDP0;
+};
+
+struct pdma_txd_info2 {
+ u32 SDL1 : 14;
+ u32 LS1 : 1;
+ u32 BURST : 1;
+ u32 SDL0 : 14;
+ u32 LS0 : 1;
+ u32 DDONE : 1;
+};
+
+struct pdma_txd_info3 {
+ u32 SDP1;
+};
+
+struct pdma_txd_info4 {
+ u32 VLAN_TAG : 16;
+ u32 INS : 1;
+ u32 RESV : 2;
+ u32 UDF : 6;
+ u32 FPORT : 3;
+ u32 TSO : 1;
+ u32 TUI_CO : 3;
+};
+
+struct pdma_txdesc {
+ struct pdma_txd_info1 txd_info1;
+ struct pdma_txd_info2 txd_info2;
+ struct pdma_txd_info3 txd_info3;
+ struct pdma_txd_info4 txd_info4;
+};
+
+enum mtk_switch {
+ SW_NONE,
+ SW_MT7530
+};
+
+enum mtk_soc {
+ SOC_MT7623,
+ SOC_MT7629
+};
+
+struct mtk_eth_priv {
+ char pkt_pool[TOTAL_PKT_BUF_SIZE] __aligned(ARCH_DMA_MINALIGN);
+
+ struct pdma_txdesc *tx_ring_noc;
+ struct pdma_rxdesc *rx_ring_noc;
+
+ int rx_dma_owner_idx0;
+ int tx_cpu_owner_idx0;
+
+ void __iomem *fe_base;
+ void __iomem *gmac_base;
+ void __iomem *ethsys_base;
+
+ struct mii_dev *mdio_bus;
+ int (*mii_read)(struct mtk_eth_priv *priv, u8 phy, u8 reg);
+ int (*mii_write)(struct mtk_eth_priv *priv, u8 phy, u8 reg, u16 val);
+ int (*mmd_read)(struct mtk_eth_priv *priv, u8 addr, u8 devad, u16 reg);
+ int (*mmd_write)(struct mtk_eth_priv *priv, u8 addr, u8 devad, u16 reg,
+ u16 val);
+
+ enum mtk_soc soc;
+ int gmac_id;
+ int force_mode;
+ int speed;
+ int duplex;
+
+ struct phy_device *phydev;
+ int phy_interface;
+ int phy_addr;
+
+ enum mtk_switch sw;
+ int (*switch_init)(struct mtk_eth_priv *priv);
+ u32 mt7530_smi_addr;
+ u32 mt7530_phy_base;
+
+ struct gpio_desc rst_gpio;
+ int mcm;
+
+ struct reset_ctl rst_fe;
+ struct reset_ctl rst_mcm;
+};
+
+static void mtk_pdma_write(struct mtk_eth_priv *priv, u32 reg, u32 val)
+{
+ writel(val, priv->fe_base + PDMA_BASE + reg);
+}
+
+static void mtk_pdma_rmw(struct mtk_eth_priv *priv, u32 reg, u32 clr,
+ u32 set)
+{
+ clrsetbits_le32(priv->fe_base + PDMA_BASE + reg, clr, set);
+}
+
+static void mtk_gdma_write(struct mtk_eth_priv *priv, int no, u32 reg,
+ u32 val)
+{
+ u32 gdma_base;
+
+ if (no == 1)
+ gdma_base = GDMA2_BASE;
+ else
+ gdma_base = GDMA1_BASE;
+
+ writel(val, priv->fe_base + gdma_base + reg);
+}
+
+static u32 mtk_gmac_read(struct mtk_eth_priv *priv, u32 reg)
+{
+ return readl(priv->gmac_base + reg);
+}
+
+static void mtk_gmac_write(struct mtk_eth_priv *priv, u32 reg, u32 val)
+{
+ writel(val, priv->gmac_base + reg);
+}
+
+static void mtk_gmac_rmw(struct mtk_eth_priv *priv, u32 reg, u32 clr, u32 set)
+{
+ clrsetbits_le32(priv->gmac_base + reg, clr, set);
+}
+
+static void mtk_ethsys_rmw(struct mtk_eth_priv *priv, u32 reg, u32 clr,
+ u32 set)
+{
+ clrsetbits_le32(priv->ethsys_base + reg, clr, set);
+}
+
+/* Direct MDIO clause 22/45 access via SoC */
+static int mtk_mii_rw(struct mtk_eth_priv *priv, u8 phy, u8 reg, u16 data,
+ u32 cmd, u32 st)
+{
+ int ret;
+ u32 val;
+
+ val = (st << MDIO_ST_S) |
+ ((cmd << MDIO_CMD_S) & MDIO_CMD_M) |
+ (((u32)phy << MDIO_PHY_ADDR_S) & MDIO_PHY_ADDR_M) |
+ (((u32)reg << MDIO_REG_ADDR_S) & MDIO_REG_ADDR_M);
+
+ if (cmd == MDIO_CMD_WRITE)
+ val |= data & MDIO_RW_DATA_M;
+
+ mtk_gmac_write(priv, GMAC_PIAC_REG, val | PHY_ACS_ST);
+
+ ret = wait_for_bit_le32(priv->gmac_base + GMAC_PIAC_REG,
+ PHY_ACS_ST, 0, 5000, 0);
+ if (ret) {
+ pr_warn("MDIO access timeout\n");
+ return ret;
+ }
+
+ if (cmd == MDIO_CMD_READ) {
+ val = mtk_gmac_read(priv, GMAC_PIAC_REG);
+ return val & MDIO_RW_DATA_M;
+ }
+
+ return 0;
+}
+
+/* Direct MDIO clause 22 read via SoC */
+static int mtk_mii_read(struct mtk_eth_priv *priv, u8 phy, u8 reg)
+{
+ return mtk_mii_rw(priv, phy, reg, 0, MDIO_CMD_READ, MDIO_ST_C22);
+}
+
+/* Direct MDIO clause 22 write via SoC */
+static int mtk_mii_write(struct mtk_eth_priv *priv, u8 phy, u8 reg, u16 data)
+{
+ return mtk_mii_rw(priv, phy, reg, data, MDIO_CMD_WRITE, MDIO_ST_C22);
+}
+
+/* Direct MDIO clause 45 read via SoC */
+static int mtk_mmd_read(struct mtk_eth_priv *priv, u8 addr, u8 devad, u16 reg)
+{
+ int ret;
+
+ ret = mtk_mii_rw(priv, addr, devad, reg, MDIO_CMD_ADDR, MDIO_ST_C45);
+ if (ret)
+ return ret;
+
+ return mtk_mii_rw(priv, addr, devad, 0, MDIO_CMD_READ_C45,
+ MDIO_ST_C45);
+}
+
+/* Direct MDIO clause 45 write via SoC */
+static int mtk_mmd_write(struct mtk_eth_priv *priv, u8 addr, u8 devad,
+ u16 reg, u16 val)
+{
+ int ret;
+
+ ret = mtk_mii_rw(priv, addr, devad, reg, MDIO_CMD_ADDR, MDIO_ST_C45);
+ if (ret)
+ return ret;
+
+ return mtk_mii_rw(priv, addr, devad, val, MDIO_CMD_WRITE,
+ MDIO_ST_C45);
+}
+
+/* Indirect MDIO clause 45 read via MII registers */
+static int mtk_mmd_ind_read(struct mtk_eth_priv *priv, u8 addr, u8 devad,
+ u16 reg)
+{
+ int ret;
+
+ ret = priv->mii_write(priv, addr, MII_MMD_ACC_CTL_REG,
+ (MMD_ADDR << MMD_CMD_S) |
+ ((devad << MMD_DEVAD_S) & MMD_DEVAD_M));
+ if (ret)
+ return ret;
+
+ ret = priv->mii_write(priv, addr, MII_MMD_ADDR_DATA_REG, reg);
+ if (ret)
+ return ret;
+
+ ret = priv->mii_write(priv, addr, MII_MMD_ACC_CTL_REG,
+ (MMD_DATA << MMD_CMD_S) |
+ ((devad << MMD_DEVAD_S) & MMD_DEVAD_M));
+ if (ret)
+ return ret;
+
+ return priv->mii_read(priv, addr, MII_MMD_ADDR_DATA_REG);
+}
+
+/* Indirect MDIO clause 45 write via MII registers */
+static int mtk_mmd_ind_write(struct mtk_eth_priv *priv, u8 addr, u8 devad,
+ u16 reg, u16 val)
+{
+ int ret;
+
+ ret = priv->mii_write(priv, addr, MII_MMD_ACC_CTL_REG,
+ (MMD_ADDR << MMD_CMD_S) |
+ ((devad << MMD_DEVAD_S) & MMD_DEVAD_M));
+ if (ret)
+ return ret;
+
+ ret = priv->mii_write(priv, addr, MII_MMD_ADDR_DATA_REG, reg);
+ if (ret)
+ return ret;
+
+ ret = priv->mii_write(priv, addr, MII_MMD_ACC_CTL_REG,
+ (MMD_DATA << MMD_CMD_S) |
+ ((devad << MMD_DEVAD_S) & MMD_DEVAD_M));
+ if (ret)
+ return ret;
+
+ return priv->mii_write(priv, addr, MII_MMD_ADDR_DATA_REG, val);
+}
+
+static int mtk_mdio_read(struct mii_dev *bus, int addr, int devad, int reg)
+{
+ struct mtk_eth_priv *priv = bus->priv;
+
+ if (devad < 0)
+ return priv->mii_read(priv, addr, reg);
+ else
+ return priv->mmd_read(priv, addr, devad, reg);
+}
+
+static int mtk_mdio_write(struct mii_dev *bus, int addr, int devad, int reg,
+ u16 val)
+{
+ struct mtk_eth_priv *priv = bus->priv;
+
+ if (devad < 0)
+ return priv->mii_write(priv, addr, reg, val);
+ else
+ return priv->mmd_write(priv, addr, devad, reg, val);
+}
+
+static int mtk_mdio_register(struct udevice *dev)
+{
+ struct mtk_eth_priv *priv = dev_get_priv(dev);
+ struct mii_dev *mdio_bus = mdio_alloc();
+ int ret;
+
+ if (!mdio_bus)
+ return -ENOMEM;
+
+ /* Assign MDIO access APIs according to the switch/phy */
+ switch (priv->sw) {
+ case SW_MT7530:
+ priv->mii_read = mtk_mii_read;
+ priv->mii_write = mtk_mii_write;
+ priv->mmd_read = mtk_mmd_ind_read;
+ priv->mmd_write = mtk_mmd_ind_write;
+ break;
+ default:
+ priv->mii_read = mtk_mii_read;
+ priv->mii_write = mtk_mii_write;
+ priv->mmd_read = mtk_mmd_read;
+ priv->mmd_write = mtk_mmd_write;
+ }
+
+ mdio_bus->read = mtk_mdio_read;
+ mdio_bus->write = mtk_mdio_write;
+ snprintf(mdio_bus->name, sizeof(mdio_bus->name), dev->name);
+
+ mdio_bus->priv = (void *)priv;
+
+ ret = mdio_register(mdio_bus);
+
+ if (ret)
+ return ret;
+
+ priv->mdio_bus = mdio_bus;
+
+ return 0;
+}
+
+/*
+ * MT7530 Internal Register Address Bits
+ * -------------------------------------------------------------------
+ * | 15 14 13 12 11 10 9 8 7 6 | 5 4 3 2 | 1 0 |
+ * |----------------------------------------|---------------|--------|
+ * | Page Address | Reg Address | Unused |
+ * -------------------------------------------------------------------
+ */
+
+static int mt7530_reg_read(struct mtk_eth_priv *priv, u32 reg, u32 *data)
+{
+ int ret, low_word, high_word;
+
+ /* Write page address */
+ ret = mtk_mii_write(priv, priv->mt7530_smi_addr, 0x1f, reg >> 6);
+ if (ret)
+ return ret;
+
+ /* Read low word */
+ low_word = mtk_mii_read(priv, priv->mt7530_smi_addr, (reg >> 2) & 0xf);
+ if (low_word < 0)
+ return low_word;
+
+ /* Read high word */
+ high_word = mtk_mii_read(priv, priv->mt7530_smi_addr, 0x10);
+ if (high_word < 0)
+ return high_word;
+
+ if (data)
+ *data = ((u32)high_word << 16) | (low_word & 0xffff);
+
+ return 0;
+}
+
+static int mt7530_reg_write(struct mtk_eth_priv *priv, u32 reg, u32 data)
+{
+ int ret;
+
+ /* Write page address */
+ ret = mtk_mii_write(priv, priv->mt7530_smi_addr, 0x1f, reg >> 6);
+ if (ret)
+ return ret;
+
+ /* Write low word */
+ ret = mtk_mii_write(priv, priv->mt7530_smi_addr, (reg >> 2) & 0xf,
+ data & 0xffff);
+ if (ret)
+ return ret;
+
+ /* Write high word */
+ return mtk_mii_write(priv, priv->mt7530_smi_addr, 0x10, data >> 16);
+}
+
+static void mt7530_reg_rmw(struct mtk_eth_priv *priv, u32 reg, u32 clr,
+ u32 set)
+{
+ u32 val;
+
+ mt7530_reg_read(priv, reg, &val);
+ val &= ~clr;
+ val |= set;
+ mt7530_reg_write(priv, reg, val);
+}
+
+static void mt7530_core_reg_write(struct mtk_eth_priv *priv, u32 reg, u32 val)
+{
+ u8 phy_addr = MT7530_PHY_ADDR(priv->mt7530_phy_base, 0);
+
+ mtk_mmd_ind_write(priv, phy_addr, 0x1f, reg, val);
+}
+
+static int mt7530_pad_clk_setup(struct mtk_eth_priv *priv, int mode)
+{
+ u32 ncpo1, ssc_delta;
+
+ switch (mode) {
+ case PHY_INTERFACE_MODE_RGMII:
+ ncpo1 = 0x0c80;
+ ssc_delta = 0x87;
+ break;
+ default:
+ printf("error: xMII mode %d not supported\n", mode);
+ return -EINVAL;
+ }
+
+ /* Disable MT7530 core clock */
+ mt7530_core_reg_write(priv, CORE_TRGMII_GSW_CLK_CG, 0);
+
+ /* Disable MT7530 PLL */
+ mt7530_core_reg_write(priv, CORE_GSWPLL_GRP1,
+ (2 << RG_GSWPLL_POSDIV_200M_S) |
+ (32 << RG_GSWPLL_FBKDIV_200M_S));
+
+ /* For MT7530 core clock = 500Mhz */
+ mt7530_core_reg_write(priv, CORE_GSWPLL_GRP2,
+ (1 << RG_GSWPLL_POSDIV_500M_S) |
+ (25 << RG_GSWPLL_FBKDIV_500M_S));
+
+ /* Enable MT7530 PLL */
+ mt7530_core_reg_write(priv, CORE_GSWPLL_GRP1,
+ (2 << RG_GSWPLL_POSDIV_200M_S) |
+ (32 << RG_GSWPLL_FBKDIV_200M_S) |
+ RG_GSWPLL_EN_PRE);
+
+ udelay(20);
+
+ mt7530_core_reg_write(priv, CORE_TRGMII_GSW_CLK_CG, REG_GSWCK_EN);
+
+ /* Setup the MT7530 TRGMII Tx Clock */
+ mt7530_core_reg_write(priv, CORE_PLL_GROUP5, ncpo1);
+ mt7530_core_reg_write(priv, CORE_PLL_GROUP6, 0);
+ mt7530_core_reg_write(priv, CORE_PLL_GROUP10, ssc_delta);
+ mt7530_core_reg_write(priv, CORE_PLL_GROUP11, ssc_delta);
+ mt7530_core_reg_write(priv, CORE_PLL_GROUP4, RG_SYSPLL_DDSFBK_EN |
+ RG_SYSPLL_BIAS_EN | RG_SYSPLL_BIAS_LPF_EN);
+
+ mt7530_core_reg_write(priv, CORE_PLL_GROUP2,
+ RG_SYSPLL_EN_NORMAL | RG_SYSPLL_VODEN |
+ (1 << RG_SYSPLL_POSDIV_S));
+
+ mt7530_core_reg_write(priv, CORE_PLL_GROUP7,
+ RG_LCDDS_PCW_NCPO_CHG | (3 << RG_LCCDS_C_S) |
+ RG_LCDDS_PWDB | RG_LCDDS_ISO_EN);
+
+ /* Enable MT7530 core clock */
+ mt7530_core_reg_write(priv, CORE_TRGMII_GSW_CLK_CG,
+ REG_GSWCK_EN | REG_TRGMIICK_EN);
+
+ return 0;
+}
+
+static int mt7530_setup(struct mtk_eth_priv *priv)
+{
+ u16 phy_addr, phy_val;
+ u32 val;
+ int i;
+
+ /* Select 250MHz clk for RGMII mode */
+ mtk_ethsys_rmw(priv, ETHSYS_CLKCFG0_REG,
+ ETHSYS_TRGMII_CLK_SEL362_5, 0);
+
+ /* Global reset switch */
+ if (priv->mcm) {
+ reset_assert(&priv->rst_mcm);
+ udelay(1000);
+ reset_deassert(&priv->rst_mcm);
+ mdelay(1000);
+ } else if (dm_gpio_is_valid(&priv->rst_gpio)) {
+ dm_gpio_set_value(&priv->rst_gpio, 0);
+ udelay(1000);
+ dm_gpio_set_value(&priv->rst_gpio, 1);
+ mdelay(1000);
+ }
+
+ /* Modify HWTRAP first to allow direct access to internal PHYs */
+ mt7530_reg_read(priv, HWTRAP_REG, &val);
+ val |= CHG_TRAP;
+ val &= ~C_MDIO_BPS;
+ mt7530_reg_write(priv, MHWTRAP_REG, val);
+
+ /* Calculate the phy base address */
+ val = ((val & SMI_ADDR_M) >> SMI_ADDR_S) << 3;
+ priv->mt7530_phy_base = (val | 0x7) + 1;
+
+ /* Turn off PHYs */
+ for (i = 0; i < MT7530_NUM_PHYS; i++) {
+ phy_addr = MT7530_PHY_ADDR(priv->mt7530_phy_base, i);
+ phy_val = priv->mii_read(priv, phy_addr, MII_BMCR);
+ phy_val |= BMCR_PDOWN;
+ priv->mii_write(priv, phy_addr, MII_BMCR, phy_val);
+ }
+
+ /* Force MAC link down before reset */
+ mt7530_reg_write(priv, PCMR_REG(5), FORCE_MODE);
+ mt7530_reg_write(priv, PCMR_REG(6), FORCE_MODE);
+
+ /* MT7530 reset */
+ mt7530_reg_write(priv, SYS_CTRL_REG, SW_SYS_RST | SW_REG_RST);
+ udelay(100);
+
+ val = (1 << IPG_CFG_S) |
+ MAC_MODE | FORCE_MODE |
+ MAC_TX_EN | MAC_RX_EN |
+ BKOFF_EN | BACKPR_EN |
+ (SPEED_1000M << FORCE_SPD_S) |
+ FORCE_DPX | FORCE_LINK;
+
+ /* MT7530 Port6: Forced 1000M/FD, FC disabled */
+ mt7530_reg_write(priv, PCMR_REG(6), val);
+
+ /* MT7530 Port5: Forced link down */
+ mt7530_reg_write(priv, PCMR_REG(5), FORCE_MODE);
+
+ /* MT7530 Port6: Set to RGMII */
+ mt7530_reg_rmw(priv, MT7530_P6ECR, P6_INTF_MODE_M, P6_INTF_MODE_RGMII);
+
+ /* Hardware Trap: Enable Port6, Disable Port5 */
+ mt7530_reg_read(priv, HWTRAP_REG, &val);
+ val |= CHG_TRAP | LOOPDET_DIS | P5_INTF_DIS |
+ (P5_INTF_SEL_GMAC5 << P5_INTF_SEL_S) |
+ (P5_INTF_MODE_RGMII << P5_INTF_MODE_S);
+ val &= ~(C_MDIO_BPS | P6_INTF_DIS);
+ mt7530_reg_write(priv, MHWTRAP_REG, val);
+
+ /* Setup switch core pll */
+ mt7530_pad_clk_setup(priv, priv->phy_interface);
+
+ /* Lower Tx Driving for TRGMII path */
+ for (i = 0 ; i < NUM_TRGMII_CTRL ; i++)
+ mt7530_reg_write(priv, MT7530_TRGMII_TD_ODT(i),
+ (8 << TD_DM_DRVP_S) | (8 << TD_DM_DRVN_S));
+
+ for (i = 0 ; i < NUM_TRGMII_CTRL; i++)
+ mt7530_reg_rmw(priv, MT7530_TRGMII_RD(i), RD_TAP_M, 16);
+
+ /* Turn on PHYs */
+ for (i = 0; i < MT7530_NUM_PHYS; i++) {
+ phy_addr = MT7530_PHY_ADDR(priv->mt7530_phy_base, i);
+ phy_val = priv->mii_read(priv, phy_addr, MII_BMCR);
+ phy_val &= ~BMCR_PDOWN;
+ priv->mii_write(priv, phy_addr, MII_BMCR, phy_val);
+ }
+
+ /* Set port isolation */
+ for (i = 0; i < 8; i++) {
+ /* Set port matrix mode */
+ if (i != 6)
+ mt7530_reg_write(priv, PCR_REG(i),
+ (0x40 << PORT_MATRIX_S));
+ else
+ mt7530_reg_write(priv, PCR_REG(i),
+ (0x3f << PORT_MATRIX_S));
+
+ /* Set port mode to user port */
+ mt7530_reg_write(priv, PVC_REG(i),
+ (0x8100 << STAG_VPID_S) |
+ (VLAN_ATTR_USER << VLAN_ATTR_S));
+ }
+
+ return 0;
+}
+
+static void mtk_phy_link_adjust(struct mtk_eth_priv *priv)
+{
+ u16 lcl_adv = 0, rmt_adv = 0;
+ u8 flowctrl;
+ u32 mcr;
+
+ mcr = (1 << IPG_CFG_S) |
+ (MAC_RX_PKT_LEN_1536 << MAC_RX_PKT_LEN_S) |
+ MAC_MODE | FORCE_MODE |
+ MAC_TX_EN | MAC_RX_EN |
+ BKOFF_EN | BACKPR_EN;
+
+ switch (priv->phydev->speed) {
+ case SPEED_10:
+ mcr |= (SPEED_10M << FORCE_SPD_S);
+ break;
+ case SPEED_100:
+ mcr |= (SPEED_100M << FORCE_SPD_S);
+ break;
+ case SPEED_1000:
+ mcr |= (SPEED_1000M << FORCE_SPD_S);
+ break;
+ };
+
+ if (priv->phydev->link)
+ mcr |= FORCE_LINK;
+
+ if (priv->phydev->duplex) {
+ mcr |= FORCE_DPX;
+
+ if (priv->phydev->pause)
+ rmt_adv = LPA_PAUSE_CAP;
+ if (priv->phydev->asym_pause)
+ rmt_adv |= LPA_PAUSE_ASYM;
+
+ if (priv->phydev->advertising & ADVERTISED_Pause)
+ lcl_adv |= ADVERTISE_PAUSE_CAP;
+ if (priv->phydev->advertising & ADVERTISED_Asym_Pause)
+ lcl_adv |= ADVERTISE_PAUSE_ASYM;
+
+ flowctrl = mii_resolve_flowctrl_fdx(lcl_adv, rmt_adv);
+
+ if (flowctrl & FLOW_CTRL_TX)
+ mcr |= FORCE_TX_FC;
+ if (flowctrl & FLOW_CTRL_RX)
+ mcr |= FORCE_RX_FC;
+
+ debug("rx pause %s, tx pause %s\n",
+ flowctrl & FLOW_CTRL_RX ? "enabled" : "disabled",
+ flowctrl & FLOW_CTRL_TX ? "enabled" : "disabled");
+ }
+
+ mtk_gmac_write(priv, GMAC_PORT_MCR(priv->gmac_id), mcr);
+}
+
+static int mtk_phy_start(struct mtk_eth_priv *priv)
+{
+ struct phy_device *phydev = priv->phydev;
+ int ret;
+
+ ret = phy_startup(phydev);
+
+ if (ret) {
+ debug("Could not initialize PHY %s\n", phydev->dev->name);
+ return ret;
+ }
+
+ if (!phydev->link) {
+ debug("%s: link down.\n", phydev->dev->name);
+ return 0;
+ }
+
+ mtk_phy_link_adjust(priv);
+
+ debug("Speed: %d, %s duplex%s\n", phydev->speed,
+ (phydev->duplex) ? "full" : "half",
+ (phydev->port == PORT_FIBRE) ? ", fiber mode" : "");
+
+ return 0;
+}
+
+static int mtk_phy_probe(struct udevice *dev)
+{
+ struct mtk_eth_priv *priv = dev_get_priv(dev);
+ struct phy_device *phydev;
+
+ phydev = phy_connect(priv->mdio_bus, priv->phy_addr, dev,
+ priv->phy_interface);
+ if (!phydev)
+ return -ENODEV;
+
+ phydev->supported &= PHY_GBIT_FEATURES;
+ phydev->advertising = phydev->supported;
+
+ priv->phydev = phydev;
+ phy_config(phydev);
+
+ return 0;
+}
+
+static void mtk_mac_init(struct mtk_eth_priv *priv)
+{
+ int i, ge_mode = 0;
+ u32 mcr;
+
+ switch (priv->phy_interface) {
+ case PHY_INTERFACE_MODE_RGMII_RXID:
+ case PHY_INTERFACE_MODE_RGMII:
+ case PHY_INTERFACE_MODE_SGMII:
+ ge_mode = GE_MODE_RGMII;
+ break;
+ case PHY_INTERFACE_MODE_MII:
+ case PHY_INTERFACE_MODE_GMII:
+ ge_mode = GE_MODE_MII;
+ break;
+ case PHY_INTERFACE_MODE_RMII:
+ ge_mode = GE_MODE_RMII;
+ break;
+ default:
+ break;
+ }
+
+ /* set the gmac to the right mode */
+ mtk_ethsys_rmw(priv, ETHSYS_SYSCFG0_REG,
+ SYSCFG0_GE_MODE_M << SYSCFG0_GE_MODE_S(priv->gmac_id),
+ ge_mode << SYSCFG0_GE_MODE_S(priv->gmac_id));
+
+ if (priv->force_mode) {
+ mcr = (1 << IPG_CFG_S) |
+ (MAC_RX_PKT_LEN_1536 << MAC_RX_PKT_LEN_S) |
+ MAC_MODE | FORCE_MODE |
+ MAC_TX_EN | MAC_RX_EN |
+ BKOFF_EN | BACKPR_EN |
+ FORCE_LINK;
+
+ switch (priv->speed) {
+ case SPEED_10:
+ mcr |= SPEED_10M << FORCE_SPD_S;
+ break;
+ case SPEED_100:
+ mcr |= SPEED_100M << FORCE_SPD_S;
+ break;
+ case SPEED_1000:
+ mcr |= SPEED_1000M << FORCE_SPD_S;
+ break;
+ }
+
+ if (priv->duplex)
+ mcr |= FORCE_DPX;
+
+ mtk_gmac_write(priv, GMAC_PORT_MCR(priv->gmac_id), mcr);
+ }
+
+ if (priv->soc == SOC_MT7623) {
+ /* Lower Tx Driving for TRGMII path */
+ for (i = 0 ; i < NUM_TRGMII_CTRL; i++)
+ mtk_gmac_write(priv, GMAC_TRGMII_TD_ODT(i),
+ (8 << TD_DM_DRVP_S) |
+ (8 << TD_DM_DRVN_S));
+
+ mtk_gmac_rmw(priv, GMAC_TRGMII_RCK_CTRL, 0,
+ RX_RST | RXC_DQSISEL);
+ mtk_gmac_rmw(priv, GMAC_TRGMII_RCK_CTRL, RX_RST, 0);
+ }
+}
+
+static void mtk_eth_fifo_init(struct mtk_eth_priv *priv)
+{
+ char *pkt_base = priv->pkt_pool;
+ int i;
+
+ mtk_pdma_rmw(priv, PDMA_GLO_CFG_REG, 0xffff0000, 0);
+ udelay(500);
+
+ memset(priv->tx_ring_noc, 0, NUM_TX_DESC * sizeof(struct pdma_txdesc));
+ memset(priv->rx_ring_noc, 0, NUM_RX_DESC * sizeof(struct pdma_rxdesc));
+ memset(priv->pkt_pool, 0, TOTAL_PKT_BUF_SIZE);
+
+ flush_dcache_range((u32)pkt_base, (u32)(pkt_base + TOTAL_PKT_BUF_SIZE));
+
+ priv->rx_dma_owner_idx0 = 0;
+ priv->tx_cpu_owner_idx0 = 0;
+
+ for (i = 0; i < NUM_TX_DESC; i++) {
+ priv->tx_ring_noc[i].txd_info2.LS0 = 1;
+ priv->tx_ring_noc[i].txd_info2.DDONE = 1;
+ priv->tx_ring_noc[i].txd_info4.FPORT = priv->gmac_id + 1;
+
+ priv->tx_ring_noc[i].txd_info1.SDP0 = virt_to_phys(pkt_base);
+ pkt_base += PKTSIZE_ALIGN;
+ }
+
+ for (i = 0; i < NUM_RX_DESC; i++) {
+ priv->rx_ring_noc[i].rxd_info2.PLEN0 = PKTSIZE_ALIGN;
+ priv->rx_ring_noc[i].rxd_info1.PDP0 = virt_to_phys(pkt_base);
+ pkt_base += PKTSIZE_ALIGN;
+ }
+
+ mtk_pdma_write(priv, TX_BASE_PTR_REG(0),
+ virt_to_phys(priv->tx_ring_noc));
+ mtk_pdma_write(priv, TX_MAX_CNT_REG(0), NUM_TX_DESC);
+ mtk_pdma_write(priv, TX_CTX_IDX_REG(0), priv->tx_cpu_owner_idx0);
+
+ mtk_pdma_write(priv, RX_BASE_PTR_REG(0),
+ virt_to_phys(priv->rx_ring_noc));
+ mtk_pdma_write(priv, RX_MAX_CNT_REG(0), NUM_RX_DESC);
+ mtk_pdma_write(priv, RX_CRX_IDX_REG(0), NUM_RX_DESC - 1);
+
+ mtk_pdma_write(priv, PDMA_RST_IDX_REG, RST_DTX_IDX0 | RST_DRX_IDX0);
+}
+
+static int mtk_eth_start(struct udevice *dev)
+{
+ struct mtk_eth_priv *priv = dev_get_priv(dev);
+ int ret;
+
+ /* Reset FE */
+ reset_assert(&priv->rst_fe);
+ udelay(1000);
+ reset_deassert(&priv->rst_fe);
+ mdelay(10);
+
+ /* Packets forward to PDMA */
+ mtk_gdma_write(priv, priv->gmac_id, GDMA_IG_CTRL_REG, GDMA_FWD_TO_CPU);
+
+ if (priv->gmac_id == 0)
+ mtk_gdma_write(priv, 1, GDMA_IG_CTRL_REG, GDMA_FWD_DISCARD);
+ else
+ mtk_gdma_write(priv, 0, GDMA_IG_CTRL_REG, GDMA_FWD_DISCARD);
+
+ udelay(500);
+
+ mtk_eth_fifo_init(priv);
+
+ /* Start PHY */
+ if (priv->sw == SW_NONE) {
+ ret = mtk_phy_start(priv);
+ if (ret)
+ return ret;
+ }
+
+ mtk_pdma_rmw(priv, PDMA_GLO_CFG_REG, 0,
+ TX_WB_DDONE | RX_DMA_EN | TX_DMA_EN);
+ udelay(500);
+
+ return 0;
+}
+
+static void mtk_eth_stop(struct udevice *dev)
+{
+ struct mtk_eth_priv *priv = dev_get_priv(dev);
+
+ mtk_pdma_rmw(priv, PDMA_GLO_CFG_REG,
+ TX_WB_DDONE | RX_DMA_EN | TX_DMA_EN, 0);
+ udelay(500);
+
+ wait_for_bit_le32(priv->fe_base + PDMA_BASE + PDMA_GLO_CFG_REG,
+ RX_DMA_BUSY | TX_DMA_BUSY, 0, 5000, 0);
+}
+
+static int mtk_eth_write_hwaddr(struct udevice *dev)
+{
+ struct eth_pdata *pdata = dev_get_platdata(dev);
+ struct mtk_eth_priv *priv = dev_get_priv(dev);
+ unsigned char *mac = pdata->enetaddr;
+ u32 macaddr_lsb, macaddr_msb;
+
+ macaddr_msb = ((u32)mac[0] << 8) | (u32)mac[1];
+ macaddr_lsb = ((u32)mac[2] << 24) | ((u32)mac[3] << 16) |
+ ((u32)mac[4] << 8) | (u32)mac[5];
+
+ mtk_gdma_write(priv, priv->gmac_id, GDMA_MAC_MSB_REG, macaddr_msb);
+ mtk_gdma_write(priv, priv->gmac_id, GDMA_MAC_LSB_REG, macaddr_lsb);
+
+ return 0;
+}
+
+static int mtk_eth_send(struct udevice *dev, void *packet, int length)
+{
+ struct mtk_eth_priv *priv = dev_get_priv(dev);
+ u32 idx = priv->tx_cpu_owner_idx0;
+ void *pkt_base;
+
+ if (!priv->tx_ring_noc[idx].txd_info2.DDONE) {
+ debug("mtk-eth: TX DMA descriptor ring is full\n");
+ return -EPERM;
+ }
+
+ pkt_base = (void *)phys_to_virt(priv->tx_ring_noc[idx].txd_info1.SDP0);
+ memcpy(pkt_base, packet, length);
+ flush_dcache_range((u32)pkt_base, (u32)pkt_base +
+ roundup(length, ARCH_DMA_MINALIGN));
+
+ priv->tx_ring_noc[idx].txd_info2.SDL0 = length;
+ priv->tx_ring_noc[idx].txd_info2.DDONE = 0;
+
+ priv->tx_cpu_owner_idx0 = (priv->tx_cpu_owner_idx0 + 1) % NUM_TX_DESC;
+ mtk_pdma_write(priv, TX_CTX_IDX_REG(0), priv->tx_cpu_owner_idx0);
+
+ return 0;
+}
+
+static int mtk_eth_recv(struct udevice *dev, int flags, uchar **packetp)
+{
+ struct mtk_eth_priv *priv = dev_get_priv(dev);
+ u32 idx = priv->rx_dma_owner_idx0;
+ uchar *pkt_base;
+ u32 length;
+
+ if (!priv->rx_ring_noc[idx].rxd_info2.DDONE) {
+ debug("mtk-eth: RX DMA descriptor ring is empty\n");
+ return -EAGAIN;
+ }
+
+ length = priv->rx_ring_noc[idx].rxd_info2.PLEN0;
+ pkt_base = (void *)phys_to_virt(priv->rx_ring_noc[idx].rxd_info1.PDP0);
+ invalidate_dcache_range((u32)pkt_base, (u32)pkt_base +
+ roundup(length, ARCH_DMA_MINALIGN));
+
+ if (packetp)
+ *packetp = pkt_base;
+
+ return length;
+}
+
+static int mtk_eth_free_pkt(struct udevice *dev, uchar *packet, int length)
+{
+ struct mtk_eth_priv *priv = dev_get_priv(dev);
+ u32 idx = priv->rx_dma_owner_idx0;
+
+ priv->rx_ring_noc[idx].rxd_info2.DDONE = 0;
+ priv->rx_ring_noc[idx].rxd_info2.LS0 = 0;
+ priv->rx_ring_noc[idx].rxd_info2.PLEN0 = PKTSIZE_ALIGN;
+
+ mtk_pdma_write(priv, RX_CRX_IDX_REG(0), idx);
+ priv->rx_dma_owner_idx0 = (priv->rx_dma_owner_idx0 + 1) % NUM_RX_DESC;
+
+ return 0;
+}
+
+static int mtk_eth_probe(struct udevice *dev)
+{
+ struct eth_pdata *pdata = dev_get_platdata(dev);
+ struct mtk_eth_priv *priv = dev_get_priv(dev);
+ u32 iobase = pdata->iobase;
+ int ret;
+
+ /* Frame Engine Register Base */
+ priv->fe_base = (void *)iobase;
+
+ /* GMAC Register Base */
+ priv->gmac_base = (void *)(iobase + GMAC_BASE);
+
+ /* MDIO register */
+ ret = mtk_mdio_register(dev);
+ if (ret)
+ return ret;
+
+ /* Prepare for tx/rx rings */
+ priv->tx_ring_noc = (struct pdma_txdesc *)
+ noncached_alloc(sizeof(struct pdma_txdesc) * NUM_TX_DESC,
+ ARCH_DMA_MINALIGN);
+ priv->rx_ring_noc = (struct pdma_rxdesc *)
+ noncached_alloc(sizeof(struct pdma_rxdesc) * NUM_RX_DESC,
+ ARCH_DMA_MINALIGN);
+
+ /* Set MAC mode */
+ mtk_mac_init(priv);
+
+ /* Probe phy if switch is not specified */
+ if (priv->sw == SW_NONE)
+ return mtk_phy_probe(dev);
+
+ /* Initialize switch */
+ return priv->switch_init(priv);
+}
+
+static int mtk_eth_remove(struct udevice *dev)
+{
+ struct mtk_eth_priv *priv = dev_get_priv(dev);
+
+ /* MDIO unregister */
+ mdio_unregister(priv->mdio_bus);
+ mdio_free(priv->mdio_bus);
+
+ /* Stop possibly started DMA */
+ mtk_eth_stop(dev);
+
+ return 0;
+}
+
+static int mtk_eth_ofdata_to_platdata(struct udevice *dev)
+{
+ struct eth_pdata *pdata = dev_get_platdata(dev);
+ struct mtk_eth_priv *priv = dev_get_priv(dev);
+ struct ofnode_phandle_args args;
+ struct regmap *regmap;
+ const char *str;
+ ofnode subnode;
+ int ret;
+
+ priv->soc = dev_get_driver_data(dev);
+
+ pdata->iobase = devfdt_get_addr(dev);
+
+ /* get corresponding ethsys phandle */
+ ret = dev_read_phandle_with_args(dev, "mediatek,ethsys", NULL, 0, 0,
+ &args);
+ if (ret)
+ return ret;
+
+ regmap = syscon_node_to_regmap(args.node);
+ if (IS_ERR(regmap))
+ return PTR_ERR(regmap);
+
+ priv->ethsys_base = regmap_get_range(regmap, 0);
+ if (!priv->ethsys_base) {
+ dev_err(dev, "Unable to find ethsys\n");
+ return -ENODEV;
+ }
+
+ /* Reset controllers */
+ ret = reset_get_by_name(dev, "fe", &priv->rst_fe);
+ if (ret) {
+ printf("error: Unable to get reset ctrl for frame engine\n");
+ return ret;
+ }
+
+ priv->gmac_id = dev_read_u32_default(dev, "mediatek,gmac-id", 0);
+
+ /* Interface mode is required */
+ str = dev_read_string(dev, "phy-mode");
+ if (str) {
+ pdata->phy_interface = phy_get_interface_by_name(str);
+ priv->phy_interface = pdata->phy_interface;
+ } else {
+ printf("error: phy-mode is not set\n");
+ return -EINVAL;
+ }
+
+ /* Force mode or autoneg */
+ subnode = ofnode_find_subnode(dev_ofnode(dev), "fixed-link");
+ if (ofnode_valid(subnode)) {
+ priv->force_mode = 1;
+ priv->speed = ofnode_read_u32_default(subnode, "speed", 0);
+ priv->duplex = ofnode_read_bool(subnode, "full-duplex");
+
+ if (priv->speed != SPEED_10 && priv->speed != SPEED_100 &&
+ priv->speed != SPEED_1000) {
+ printf("error: no valid speed set in fixed-link\n");
+ return -EINVAL;
+ }
+ }
+
+ /* check for switch first, otherwise phy will be used */
+ priv->sw = SW_NONE;
+ priv->switch_init = NULL;
+ str = dev_read_string(dev, "mediatek,switch");
+
+ if (str) {
+ if (!strcmp(str, "mt7530")) {
+ priv->sw = SW_MT7530;
+ priv->switch_init = mt7530_setup;
+ priv->mt7530_smi_addr = MT7530_DFL_SMI_ADDR;
+ } else {
+ printf("error: unsupported switch\n");
+ return -EINVAL;
+ }
+
+ priv->mcm = dev_read_bool(dev, "mediatek,mcm");
+ if (priv->mcm) {
+ ret = reset_get_by_name(dev, "mcm", &priv->rst_mcm);
+ if (ret) {
+ printf("error: no reset ctrl for mcm\n");
+ return ret;
+ }
+ } else {
+ gpio_request_by_name(dev, "reset-gpios", 0,
+ &priv->rst_gpio, GPIOD_IS_OUT);
+ }
+ } else {
+ subnode = ofnode_find_subnode(dev_ofnode(dev), "phy-handle");
+ if (!ofnode_valid(subnode)) {
+ printf("error: phy-handle is not specified\n");
+ return ret;
+ }
+
+ priv->phy_addr = ofnode_read_s32_default(subnode, "reg", -1);
+ if (priv->phy_addr < 0) {
+ printf("error: phy address is not specified\n");
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+static const struct udevice_id mtk_eth_ids[] = {
+ { .compatible = "mediatek,mt7629-eth", .data = SOC_MT7629 },
+ { .compatible = "mediatek,mt7623-eth", .data = SOC_MT7623 },
+ {}
+};
+
+static const struct eth_ops mtk_eth_ops = {
+ .start = mtk_eth_start,
+ .stop = mtk_eth_stop,
+ .send = mtk_eth_send,
+ .recv = mtk_eth_recv,
+ .free_pkt = mtk_eth_free_pkt,
+ .write_hwaddr = mtk_eth_write_hwaddr,
+};
+
+U_BOOT_DRIVER(mtk_eth) = {
+ .name = "mtk-eth",
+ .id = UCLASS_ETH,
+ .of_match = mtk_eth_ids,
+ .ofdata_to_platdata = mtk_eth_ofdata_to_platdata,
+ .platdata_auto_alloc_size = sizeof(struct eth_pdata),
+ .probe = mtk_eth_probe,
+ .remove = mtk_eth_remove,
+ .ops = &mtk_eth_ops,
+ .priv_auto_alloc_size = sizeof(struct mtk_eth_priv),
+ .flags = DM_FLAG_ALLOC_PRIV_DMA,
+};
diff --git a/drivers/net/mtk_eth.h b/drivers/net/mtk_eth.h
new file mode 100644
index 00000000000..fe89a03739f
--- /dev/null
+++ b/drivers/net/mtk_eth.h
@@ -0,0 +1,286 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2018 MediaTek Inc.
+ *
+ * Author: Weijie Gao <weijie.gao at mediatek.com>
+ * Author: Mark Lee <mark-mc.lee at mediatek.com>
+ */
+
+#ifndef _MTK_ETH_H_
+#define _MTK_ETH_H_
+
+/* Frame Engine Register Bases */
+#define PDMA_BASE 0x0800
+#define GDMA1_BASE 0x0500
+#define GDMA2_BASE 0x1500
+#define GMAC_BASE 0x10000
+
+/* Ethernet subsystem registers */
+
+#define ETHSYS_SYSCFG0_REG 0x14
+#define SYSCFG0_GE_MODE_S(n) (12 + ((n) * 2))
+#define SYSCFG0_GE_MODE_M 0x3
+
+#define ETHSYS_CLKCFG0_REG 0x2c
+#define ETHSYS_TRGMII_CLK_SEL362_5 BIT(11)
+
+/* SYSCFG0_GE_MODE: GE Modes */
+#define GE_MODE_RGMII 0
+#define GE_MODE_MII 1
+#define GE_MODE_MII_PHY 2
+#define GE_MODE_RMII 3
+
+/* Frame Engine Registers */
+
+/* PDMA */
+#define TX_BASE_PTR_REG(n) (0x000 + (n) * 0x10)
+#define TX_MAX_CNT_REG(n) (0x004 + (n) * 0x10)
+#define TX_CTX_IDX_REG(n) (0x008 + (n) * 0x10)
+#define TX_DTX_IDX_REG(n) (0x00c + (n) * 0x10)
+
+#define RX_BASE_PTR_REG(n) (0x100 + (n) * 0x10)
+#define RX_MAX_CNT_REG(n) (0x104 + (n) * 0x10)
+#define RX_CRX_IDX_REG(n) (0x108 + (n) * 0x10)
+#define RX_DRX_IDX_REG(n) (0x10c + (n) * 0x10)
+
+#define PDMA_GLO_CFG_REG 0x204
+#define TX_WB_DDONE BIT(6)
+#define RX_DMA_BUSY BIT(3)
+#define RX_DMA_EN BIT(2)
+#define TX_DMA_BUSY BIT(1)
+#define TX_DMA_EN BIT(0)
+
+#define PDMA_RST_IDX_REG 0x208
+#define RST_DRX_IDX0 BIT(16)
+#define RST_DTX_IDX0 BIT(0)
+
+/* GDMA */
+#define GDMA_IG_CTRL_REG 0x000
+#define GDM_ICS_EN BIT(22)
+#define GDM_TCS_EN BIT(21)
+#define GDM_UCS_EN BIT(20)
+#define STRP_CRC BIT(16)
+#define MYMAC_DP_S 12
+#define MYMAC_DP_M 0xf000
+#define BC_DP_S 8
+#define BC_DP_M 0xf00
+#define MC_DP_S 4
+#define MC_DP_M 0xf0
+#define UN_DP_S 0
+#define UN_DP_M 0x0f
+
+#define GDMA_MAC_LSB_REG 0x008
+
+#define GDMA_MAC_MSB_REG 0x00c
+
+/* MYMAC_DP/BC_DP/MC_DP/UN_DP: Destination ports */
+#define DP_PDMA 0
+#define DP_GDMA1 1
+#define DP_GDMA2 2
+#define DP_PPE 4
+#define DP_QDMA 5
+#define DP_DISCARD 7
+
+/* GMAC Registers */
+
+#define GMAC_PIAC_REG 0x0004
+#define PHY_ACS_ST BIT(31)
+#define MDIO_REG_ADDR_S 25
+#define MDIO_REG_ADDR_M 0x3e000000
+#define MDIO_PHY_ADDR_S 20
+#define MDIO_PHY_ADDR_M 0x1f00000
+#define MDIO_CMD_S 18
+#define MDIO_CMD_M 0xc0000
+#define MDIO_ST_S 16
+#define MDIO_ST_M 0x30000
+#define MDIO_RW_DATA_S 0
+#define MDIO_RW_DATA_M 0xffff
+
+/* MDIO_CMD: MDIO commands */
+#define MDIO_CMD_ADDR 0
+#define MDIO_CMD_WRITE 1
+#define MDIO_CMD_READ 2
+#define MDIO_CMD_READ_C45 3
+
+/* MDIO_ST: MDIO start field */
+#define MDIO_ST_C45 0
+#define MDIO_ST_C22 1
+
+#define GMAC_PORT_MCR(p) (0x0100 + (p) * 0x100)
+#define MAC_RX_PKT_LEN_S 24
+#define MAC_RX_PKT_LEN_M 0x3000000
+#define IPG_CFG_S 18
+#define IPG_CFG_M 0xc0000
+#define MAC_MODE BIT(16)
+#define FORCE_MODE BIT(15)
+#define MAC_TX_EN BIT(14)
+#define MAC_RX_EN BIT(13)
+#define BKOFF_EN BIT(9)
+#define BACKPR_EN BIT(8)
+#define FORCE_RX_FC BIT(5)
+#define FORCE_TX_FC BIT(4)
+#define FORCE_SPD_S 2
+#define FORCE_SPD_M 0x0c
+#define FORCE_DPX BIT(1)
+#define FORCE_LINK BIT(0)
+
+/* MAC_RX_PKT_LEN: Max RX packet length */
+#define MAC_RX_PKT_LEN_1518 0
+#define MAC_RX_PKT_LEN_1536 1
+#define MAC_RX_PKT_LEN_1552 2
+#define MAC_RX_PKT_LEN_JUMBO 3
+
+/* FORCE_SPD: Forced link speed */
+#define SPEED_10M 0
+#define SPEED_100M 1
+#define SPEED_1000M 2
+
+#define GMAC_TRGMII_RCK_CTRL 0x300
+#define RX_RST BIT(31)
+#define RXC_DQSISEL BIT(30)
+
+#define GMAC_TRGMII_TD_ODT(n) (0x354 + (n) * 8)
+#define TD_DM_DRVN_S 4
+#define TD_DM_DRVN_M 0xf0
+#define TD_DM_DRVP_S 0
+#define TD_DM_DRVP_M 0x0f
+
+/* MT7530 Registers */
+
+#define PCR_REG(p) (0x2004 + (p) * 0x100)
+#define PORT_MATRIX_S 16
+#define PORT_MATRIX_M 0xff0000
+
+#define PVC_REG(p) (0x2010 + (p) * 0x100)
+#define STAG_VPID_S 16
+#define STAG_VPID_M 0xffff0000
+#define VLAN_ATTR_S 6
+#define VLAN_ATTR_M 0xc0
+
+/* VLAN_ATTR: VLAN attributes */
+#define VLAN_ATTR_USER 0
+#define VLAN_ATTR_STACK 1
+#define VLAN_ATTR_TRANSLATION 2
+#define VLAN_ATTR_TRANSPARENT 3
+
+#define PCMR_REG(p) (0x3000 + (p) * 0x100)
+/* XXX: all fields are defined under GMAC_PORT_MCR */
+
+#define SYS_CTRL_REG 0x7000
+#define SW_PHY_RST BIT(2)
+#define SW_SYS_RST BIT(1)
+#define SW_REG_RST BIT(0)
+
+#define NUM_TRGMII_CTRL 5
+
+#define HWTRAP_REG 0x7800
+#define MHWTRAP_REG 0x7804
+#define CHG_TRAP BIT(16)
+#define LOOPDET_DIS BIT(14)
+#define P5_INTF_SEL_S 13
+#define P5_INTF_SEL_M 0x2000
+#define SMI_ADDR_S 11
+#define SMI_ADDR_M 0x1800
+#define XTAL_FSEL_S 9
+#define XTAL_FSEL_M 0x600
+#define P6_INTF_DIS BIT(8)
+#define P5_INTF_MODE_S 7
+#define P5_INTF_MODE_M 0x80
+#define P5_INTF_DIS BIT(6)
+#define C_MDIO_BPS BIT(5)
+#define CHIP_MODE_S 0
+#define CHIP_MODE_M 0x0f
+
+/* P5_INTF_SEL: Interface type of Port5 */
+#define P5_INTF_SEL_GPHY 0
+#define P5_INTF_SEL_GMAC5 1
+
+/* P5_INTF_MODE: Interface mode of Port5 */
+#define P5_INTF_MODE_GMII_MII 0
+#define P5_INTF_MODE_RGMII 1
+
+#define MT7530_P6ECR 0x7830
+#define P6_INTF_MODE_M 0x3
+#define P6_INTF_MODE_S 0
+
+/* P6_INTF_MODE: Interface mode of Port6 */
+#define P6_INTF_MODE_RGMII 0
+#define P6_INTF_MODE_TRGMII 1
+
+#define MT7530_TRGMII_RD(n) (0x7a10 + (n) * 8)
+#define RD_TAP_S 0
+#define RD_TAP_M 0x7f
+
+#define MT7530_TRGMII_TD_ODT(n) (0x7a54 + (n) * 8)
+/* XXX: all fields are defined under GMAC_TRGMII_TD_ODT */
+
+/* MT7530 GPHY MDIO Indirect Access Registers */
+
+#define MII_MMD_ACC_CTL_REG 0x0d
+#define MMD_CMD_S 14
+#define MMD_CMD_M 0xc000
+#define MMD_DEVAD_S 0
+#define MMD_DEVAD_M 0x1f
+
+/* MMD_CMD: MMD commands */
+#define MMD_ADDR 0
+#define MMD_DATA 1
+#define MMD_DATA_RW_POST_INC 2
+#define MMD_DATA_W_POST_INC 3
+
+#define MII_MMD_ADDR_DATA_REG 0x0e
+
+/* MT7530 GPHY MDIO MMD Registers */
+
+#define CORE_PLL_GROUP2 0x401
+#define RG_SYSPLL_EN_NORMAL BIT(15)
+#define RG_SYSPLL_VODEN BIT(14)
+#define RG_SYSPLL_POSDIV_S 5
+#define RG_SYSPLL_POSDIV_M 0x60
+
+#define CORE_PLL_GROUP4 0x403
+#define RG_SYSPLL_DDSFBK_EN BIT(12)
+#define RG_SYSPLL_BIAS_EN BIT(11)
+#define RG_SYSPLL_BIAS_LPF_EN BIT(10)
+
+#define CORE_PLL_GROUP5 0x404
+#define RG_LCDDS_PCW_NCPO1_S 0
+#define RG_LCDDS_PCW_NCPO1_M 0xffff
+
+#define CORE_PLL_GROUP6 0x405
+#define RG_LCDDS_PCW_NCPO0_S 0
+#define RG_LCDDS_PCW_NCPO0_M 0xffff
+
+#define CORE_PLL_GROUP7 0x406
+#define RG_LCDDS_PWDB BIT(15)
+#define RG_LCDDS_ISO_EN BIT(13)
+#define RG_LCCDS_C_S 4
+#define RG_LCCDS_C_M 0x70
+#define RG_LCDDS_PCW_NCPO_CHG BIT(3)
+
+#define CORE_PLL_GROUP10 0x409
+#define RG_LCDDS_SSC_DELTA_S 0
+#define RG_LCDDS_SSC_DELTA_M 0xfff
+
+#define CORE_PLL_GROUP11 0x40a
+#define RG_LCDDS_SSC_DELTA1_S 0
+#define RG_LCDDS_SSC_DELTA1_M 0xfff
+
+#define CORE_GSWPLL_GRP1 0x40d
+#define RG_GSWPLL_POSDIV_200M_S 12
+#define RG_GSWPLL_POSDIV_200M_M 0x3000
+#define RG_GSWPLL_EN_PRE BIT(11)
+#define RG_GSWPLL_FBKDIV_200M_S 0
+#define RG_GSWPLL_FBKDIV_200M_M 0xff
+
+#define CORE_GSWPLL_GRP2 0x40e
+#define RG_GSWPLL_POSDIV_500M_S 8
+#define RG_GSWPLL_POSDIV_500M_M 0x300
+#define RG_GSWPLL_FBKDIV_500M_S 0
+#define RG_GSWPLL_FBKDIV_500M_M 0xff
+
+#define CORE_TRGMII_GSW_CLK_CG 0x410
+#define REG_GSWCK_EN BIT(0)
+#define REG_TRGMIICK_EN BIT(1)
+
+#endif /* _MTK_ETH_H_ */
--
2.18.0
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