+++ /dev/null
-/*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
- *
- * Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
- */
-
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/if_vlan.h>
-
-#include <asm/mach-ralink/ralink_regs.h>
-
-#include <mt7620.h>
-#include "ralink_soc_eth.h"
-#include "gsw_mt7620a.h"
-
-#define MT7620A_CDMA_CSG_CFG 0x400
-#define MT7620_DMA_VID (MT7620A_CDMA_CSG_CFG | 0x30)
-#define MT7621_CDMP_IG_CTRL (MT7620A_CDMA_CSG_CFG + 0x00)
-#define MT7621_CDMP_EG_CTRL (MT7620A_CDMA_CSG_CFG + 0x04)
-#define MT7620A_RESET_FE BIT(21)
-#define MT7621_RESET_FE BIT(6)
-#define MT7620A_RESET_ESW BIT(23)
-#define MT7620_L4_VALID BIT(23)
-#define MT7621_L4_VALID BIT(24)
-
-#define MT7620_TX_DMA_UDF BIT(15)
-#define MT7621_TX_DMA_UDF BIT(19)
-#define TX_DMA_FP_BMAP ((0xff) << 19)
-
-#define CDMA_ICS_EN BIT(2)
-#define CDMA_UCS_EN BIT(1)
-#define CDMA_TCS_EN BIT(0)
-
-#define GDMA_ICS_EN BIT(22)
-#define GDMA_TCS_EN BIT(21)
-#define GDMA_UCS_EN BIT(20)
-
-/* frame engine counters */
-#define MT7620_REG_MIB_OFFSET 0x1000
-#define MT7620_PPE_AC_BCNT0 (MT7620_REG_MIB_OFFSET + 0x00)
-#define MT7620_GDM1_TX_GBCNT (MT7620_REG_MIB_OFFSET + 0x300)
-#define MT7620_GDM2_TX_GBCNT (MT7620_GDM1_TX_GBCNT + 0x40)
-
-#define MT7621_REG_MIB_OFFSET 0x2000
-#define MT7621_PPE_AC_BCNT0 (MT7621_REG_MIB_OFFSET + 0x00)
-#define MT7621_GDM1_TX_GBCNT (MT7621_REG_MIB_OFFSET + 0x400)
-#define MT7621_GDM2_TX_GBCNT (MT7621_GDM1_TX_GBCNT + 0x40)
-
-#define GSW_REG_GDMA1_MAC_ADRL 0x508
-#define GSW_REG_GDMA1_MAC_ADRH 0x50C
-
-#define MT7621_FE_RST_GL (FE_FE_OFFSET + 0x04)
-#define MT7620_FE_INT_STATUS2 (FE_FE_OFFSET + 0x08)
-
-/*
- * FE_INT_STATUS reg on mt7620 define CNT_GDM1_AF at BIT(29)
- * but after test it should be BIT(13).
- */
-#define MT7620_FE_GDM1_AF BIT(13)
-#define MT7621_FE_GDM1_AF BIT(28)
-#define MT7621_FE_GDM2_AF BIT(29)
-
-static const u16 mt7620_reg_table[FE_REG_COUNT] = {
- [FE_REG_PDMA_GLO_CFG] = RT5350_PDMA_GLO_CFG,
- [FE_REG_PDMA_RST_CFG] = RT5350_PDMA_RST_CFG,
- [FE_REG_DLY_INT_CFG] = RT5350_DLY_INT_CFG,
- [FE_REG_TX_BASE_PTR0] = RT5350_TX_BASE_PTR0,
- [FE_REG_TX_MAX_CNT0] = RT5350_TX_MAX_CNT0,
- [FE_REG_TX_CTX_IDX0] = RT5350_TX_CTX_IDX0,
- [FE_REG_TX_DTX_IDX0] = RT5350_TX_DTX_IDX0,
- [FE_REG_RX_BASE_PTR0] = RT5350_RX_BASE_PTR0,
- [FE_REG_RX_MAX_CNT0] = RT5350_RX_MAX_CNT0,
- [FE_REG_RX_CALC_IDX0] = RT5350_RX_CALC_IDX0,
- [FE_REG_RX_DRX_IDX0] = RT5350_RX_DRX_IDX0,
- [FE_REG_FE_INT_ENABLE] = RT5350_FE_INT_ENABLE,
- [FE_REG_FE_INT_STATUS] = RT5350_FE_INT_STATUS,
- [FE_REG_FE_DMA_VID_BASE] = MT7620_DMA_VID,
- [FE_REG_FE_COUNTER_BASE] = MT7620_GDM1_TX_GBCNT,
- [FE_REG_FE_RST_GL] = MT7621_FE_RST_GL,
- [FE_REG_FE_INT_STATUS2] = MT7620_FE_INT_STATUS2,
-};
-
-static const u16 mt7621_reg_table[FE_REG_COUNT] = {
- [FE_REG_PDMA_GLO_CFG] = RT5350_PDMA_GLO_CFG,
- [FE_REG_PDMA_RST_CFG] = RT5350_PDMA_RST_CFG,
- [FE_REG_DLY_INT_CFG] = RT5350_DLY_INT_CFG,
- [FE_REG_TX_BASE_PTR0] = RT5350_TX_BASE_PTR0,
- [FE_REG_TX_MAX_CNT0] = RT5350_TX_MAX_CNT0,
- [FE_REG_TX_CTX_IDX0] = RT5350_TX_CTX_IDX0,
- [FE_REG_TX_DTX_IDX0] = RT5350_TX_DTX_IDX0,
- [FE_REG_RX_BASE_PTR0] = RT5350_RX_BASE_PTR0,
- [FE_REG_RX_MAX_CNT0] = RT5350_RX_MAX_CNT0,
- [FE_REG_RX_CALC_IDX0] = RT5350_RX_CALC_IDX0,
- [FE_REG_RX_DRX_IDX0] = RT5350_RX_DRX_IDX0,
- [FE_REG_FE_INT_ENABLE] = RT5350_FE_INT_ENABLE,
- [FE_REG_FE_INT_STATUS] = RT5350_FE_INT_STATUS,
- [FE_REG_FE_DMA_VID_BASE] = 0,
- [FE_REG_FE_COUNTER_BASE] = MT7621_GDM1_TX_GBCNT,
- [FE_REG_FE_RST_GL] = MT7621_FE_RST_GL,
- [FE_REG_FE_INT_STATUS2] = MT7620_FE_INT_STATUS2,
-};
-
-static void mt7620_fe_reset(void)
-{
- fe_reset(MT7620A_RESET_FE | MT7620A_RESET_ESW);
-}
-
-static void mt7621_fe_reset(void)
-{
- fe_reset(MT7621_RESET_FE);
-}
-
-static void mt7620_rxcsum_config(bool enable)
-{
- if (enable)
- fe_w32(fe_r32(MT7620A_GDMA1_FWD_CFG) | (GDMA_ICS_EN |
- GDMA_TCS_EN | GDMA_UCS_EN),
- MT7620A_GDMA1_FWD_CFG);
- else
- fe_w32(fe_r32(MT7620A_GDMA1_FWD_CFG) & ~(GDMA_ICS_EN |
- GDMA_TCS_EN | GDMA_UCS_EN),
- MT7620A_GDMA1_FWD_CFG);
-}
-
-static void mt7620_txcsum_config(bool enable)
-{
- if (enable)
- fe_w32(fe_r32(MT7620A_CDMA_CSG_CFG) | (CDMA_ICS_EN |
- CDMA_UCS_EN | CDMA_TCS_EN),
- MT7620A_CDMA_CSG_CFG);
- else
- fe_w32(fe_r32(MT7620A_CDMA_CSG_CFG) & ~(CDMA_ICS_EN |
- CDMA_UCS_EN | CDMA_TCS_EN),
- MT7620A_CDMA_CSG_CFG);
-}
-
-static void mt7621_rxvlan_config(bool enable)
-{
- if (enable)
- fe_w32(1, MT7621_CDMP_EG_CTRL);
- else
- fe_w32(0, MT7621_CDMP_EG_CTRL);
-}
-
-static int mt7620_fwd_config(struct fe_priv *priv)
-{
- struct net_device *dev = priv_netdev(priv);
-
- fe_w32(fe_r32(MT7620A_GDMA1_FWD_CFG) & ~7, MT7620A_GDMA1_FWD_CFG);
-
- mt7620_txcsum_config((dev->features & NETIF_F_IP_CSUM));
- mt7620_rxcsum_config((dev->features & NETIF_F_RXCSUM));
-
- return 0;
-}
-
-static int mt7621_fwd_config(struct fe_priv *priv)
-{
- struct net_device *dev = priv_netdev(priv);
-
- fe_w32(fe_r32(MT7620A_GDMA1_FWD_CFG) & ~0xffff, MT7620A_GDMA1_FWD_CFG);
-
- /* mt7621 don't have txcsum config */
- mt7620_rxcsum_config((dev->features & NETIF_F_RXCSUM));
- mt7621_rxvlan_config((dev->features & NETIF_F_HW_VLAN_CTAG_RX) &&
- (priv->flags & FE_FLAG_RX_VLAN_CTAG));
-
- return 0;
-}
-
-static void mt7620_tx_dma(struct fe_tx_dma *txd)
-{
-}
-
-static void mt7621_tx_dma(struct fe_tx_dma *txd)
-{
- txd->txd4 = BIT(25);
-}
-
-static void mt7620_init_data(struct fe_soc_data *data,
- struct net_device *netdev)
-{
- struct fe_priv *priv = netdev_priv(netdev);
-
- priv->flags = FE_FLAG_PADDING_64B | FE_FLAG_RX_2B_OFFSET |
- FE_FLAG_RX_SG_DMA;
-
- netdev->hw_features = NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
- NETIF_F_HW_VLAN_CTAG_TX;
- if (mt7620_get_eco() >= 5)
- netdev->hw_features |= NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6 |
- NETIF_F_IPV6_CSUM;
-}
-
-static void mt7621_init_data(struct fe_soc_data *data,
- struct net_device *netdev)
-{
- struct fe_priv *priv = netdev_priv(netdev);
-
- priv->flags = FE_FLAG_PADDING_64B | FE_FLAG_RX_2B_OFFSET |
- FE_FLAG_RX_SG_DMA | FE_FLAG_NAPI_WEIGHT;
-
- netdev->hw_features = NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
- NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_SG | NETIF_F_TSO |
- NETIF_F_TSO6 | NETIF_F_IPV6_CSUM;
-}
-
-static void mt7621_set_mac(struct fe_priv *priv, unsigned char *mac)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&priv->page_lock, flags);
- fe_w32((mac[0] << 8) | mac[1], GSW_REG_GDMA1_MAC_ADRH);
- fe_w32((mac[2] << 24) | (mac[3] << 16) | (mac[4] << 8) | mac[5],
- GSW_REG_GDMA1_MAC_ADRL);
- spin_unlock_irqrestore(&priv->page_lock, flags);
-}
-
-static struct fe_soc_data mt7620_data = {
- .init_data = mt7620_init_data,
- .reset_fe = mt7620_fe_reset,
- .set_mac = mt7620_set_mac,
- .fwd_config = mt7620_fwd_config,
- .tx_dma = mt7620_tx_dma,
- .switch_init = mt7620_gsw_probe,
- .switch_config = mt7620_gsw_config,
- .port_init = mt7620_port_init,
- .reg_table = mt7620_reg_table,
- .pdma_glo_cfg = FE_PDMA_SIZE_16DWORDS,
- .rx_int = RT5350_RX_DONE_INT,
- .tx_int = RT5350_TX_DONE_INT,
- .status_int = MT7620_FE_GDM1_AF,
- .checksum_bit = MT7620_L4_VALID,
- .has_carrier = mt7620a_has_carrier,
- .mdio_read = mt7620_mdio_read,
- .mdio_write = mt7620_mdio_write,
- .mdio_adjust_link = mt7620_mdio_link_adjust,
-};
-
-static struct fe_soc_data mt7621_data = {
- .init_data = mt7621_init_data,
- .reset_fe = mt7621_fe_reset,
- .set_mac = mt7621_set_mac,
- .fwd_config = mt7621_fwd_config,
- .tx_dma = mt7621_tx_dma,
- .switch_init = mt7620_gsw_probe,
- .switch_config = mt7621_gsw_config,
- .reg_table = mt7621_reg_table,
- .pdma_glo_cfg = FE_PDMA_SIZE_16DWORDS,
- .rx_int = RT5350_RX_DONE_INT,
- .tx_int = RT5350_TX_DONE_INT,
- .status_int = (MT7621_FE_GDM1_AF | MT7621_FE_GDM2_AF),
- .checksum_bit = MT7621_L4_VALID,
- .has_carrier = mt7620a_has_carrier,
- .mdio_read = mt7620_mdio_read,
- .mdio_write = mt7620_mdio_write,
- .mdio_adjust_link = mt7620_mdio_link_adjust,
-};
-
-const struct of_device_id of_fe_match[] = {
- { .compatible = "ralink,mt7620a-eth", .data = &mt7620_data },
- { .compatible = "ralink,mt7621-eth", .data = &mt7621_data },
- {},
-};
-
-MODULE_DEVICE_TABLE(of, of_fe_match);
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