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stmmac.h
/* SPDX-License-Identifier: GPL-2.0-only */ /******************************************************************************* Header file for stmmac platform data Copyright (C) 2009 STMicroelectronics Ltd Author: Giuseppe Cavallaro <peppe.cavallaro@st.com> *******************************************************************************/ #ifndef __STMMAC_PLATFORM_DATA #define __STMMAC_PLATFORM_DATA #include <linux/platform_device.h> #include <linux/phy.h> #define MTL_MAX_RX_QUEUES 8 #define MTL_MAX_TX_QUEUES 8 #define STMMAC_CH_MAX 8 #define STMMAC_RX_COE_NONE 0 #define STMMAC_RX_COE_TYPE1 1 #define STMMAC_RX_COE_TYPE2 2 /* Define the macros for CSR clock range parameters to be passed by * platform code. * This could also be configured at run time using CPU freq framework. */ /* MDC Clock Selection define*/ #define STMMAC_CSR_60_100M 0x0 /* MDC = clk_scr_i/42 */ #define STMMAC_CSR_100_150M 0x1 /* MDC = clk_scr_i/62 */ #define STMMAC_CSR_20_35M 0x2 /* MDC = clk_scr_i/16 */ #define STMMAC_CSR_35_60M 0x3 /* MDC = clk_scr_i/26 */ #define STMMAC_CSR_150_250M 0x4 /* MDC = clk_scr_i/102 */ #define STMMAC_CSR_250_300M 0x5 /* MDC = clk_scr_i/122 */ /* MTL algorithms identifiers */ #define MTL_TX_ALGORITHM_WRR 0x0 #define MTL_TX_ALGORITHM_WFQ 0x1 #define MTL_TX_ALGORITHM_DWRR 0x2 #define MTL_TX_ALGORITHM_SP 0x3 #define MTL_RX_ALGORITHM_SP 0x4 #define MTL_RX_ALGORITHM_WSP 0x5 /* RX/TX Queue Mode */ #define MTL_QUEUE_AVB 0x0 #define MTL_QUEUE_DCB 0x1 /* The MDC clock could be set higher than the IEEE 802.3 * specified frequency limit 0f 2.5 MHz, by programming a clock divider * of value different than the above defined values. The resultant MDIO * clock frequency of 12.5 MHz is applicable for the interfacing chips * supporting higher MDC clocks. * The MDC clock selection macros need to be defined for MDC clock rate * of 12.5 MHz, corresponding to the following selection. */ #define STMMAC_CSR_I_4 0x8 /* clk_csr_i/4 */ #define STMMAC_CSR_I_6 0x9 /* clk_csr_i/6 */ #define STMMAC_CSR_I_8 0xA /* clk_csr_i/8 */ #define STMMAC_CSR_I_10 0xB /* clk_csr_i/10 */ #define STMMAC_CSR_I_12 0xC /* clk_csr_i/12 */ #define STMMAC_CSR_I_14 0xD /* clk_csr_i/14 */ #define STMMAC_CSR_I_16 0xE /* clk_csr_i/16 */ #define STMMAC_CSR_I_18 0xF /* clk_csr_i/18 */ /* AXI DMA Burst length supported */ #define DMA_AXI_BLEN_4 (1 << 1) #define DMA_AXI_BLEN_8 (1 << 2) #define DMA_AXI_BLEN_16 (1 << 3) #define DMA_AXI_BLEN_32 (1 << 4) #define DMA_AXI_BLEN_64 (1 << 5) #define DMA_AXI_BLEN_128 (1 << 6) #define DMA_AXI_BLEN_256 (1 << 7) #define DMA_AXI_BLEN_ALL (DMA_AXI_BLEN_4 | DMA_AXI_BLEN_8 | DMA_AXI_BLEN_16 \ | DMA_AXI_BLEN_32 | DMA_AXI_BLEN_64 \ | DMA_AXI_BLEN_128 | DMA_AXI_BLEN_256) struct stmmac_priv; /* Platfrom data for platform device structure's platform_data field */ struct stmmac_mdio_bus_data { unsigned int phy_mask; unsigned int has_xpcs; unsigned int xpcs_an_inband; int *irqs; int probed_phy_irq; bool needs_reset; }; struct stmmac_dma_cfg { int pbl; int txpbl; int rxpbl; bool pblx8; int fixed_burst; int mixed_burst; bool aal; bool eame; bool multi_msi_en; bool dche; }; #define AXI_BLEN 7 struct stmmac_axi { bool axi_lpi_en; bool axi_xit_frm; u32 axi_wr_osr_lmt; u32 axi_rd_osr_lmt; bool axi_kbbe; u32 axi_blen[AXI_BLEN]; bool axi_fb; bool axi_mb; bool axi_rb; }; #define EST_GCL 1024 struct stmmac_est { int enable; u32 btr_reserve[2]; u32 btr_offset[2]; u32 btr[2]; u32 ctr[2]; u32 ter; u32 gcl_unaligned[EST_GCL]; u32 gcl[EST_GCL]; u32 gcl_size; u32 max_sdu[MTL_MAX_TX_QUEUES]; }; struct stmmac_rxq_cfg { u8 mode_to_use; u32 chan; u8 pkt_route; bool use_prio; u32 prio; }; struct stmmac_txq_cfg { u32 weight; bool coe_unsupported; u8 mode_to_use; /* Credit Base Shaper parameters */ u32 send_slope; u32 idle_slope; u32 high_credit; u32 low_credit; bool use_prio; u32 prio; int tbs_en; }; /* FPE link state */ enum stmmac_fpe_state { FPE_STATE_OFF = 0, FPE_STATE_CAPABLE = 1, FPE_STATE_ENTERING_ON = 2, FPE_STATE_ON = 3, }; /* FPE link-partner hand-shaking mPacket type */ enum stmmac_mpacket_type { MPACKET_VERIFY = 0, MPACKET_RESPONSE = 1, }; enum stmmac_fpe_task_state_t { __FPE_REMOVING, __FPE_TASK_SCHED, }; struct stmmac_fpe_cfg { bool enable; /* FPE enable */ bool hs_enable; /* FPE handshake enable */ enum stmmac_fpe_state lp_fpe_state; /* Link Partner FPE state */ enum stmmac_fpe_state lo_fpe_state; /* Local station FPE state */ u32 fpe_csr; /* MAC_FPE_CTRL_STS reg cache */ }; struct stmmac_safety_feature_cfg { u32 tsoee; u32 mrxpee; u32 mestee; u32 mrxee; u32 mtxee; u32 epsi; u32 edpp; u32 prtyen; u32 tmouten; }; /* Addresses that may be customized by a platform */ struct dwmac4_addrs { u32 dma_chan; u32 dma_chan_offset; u32 mtl_chan; u32 mtl_chan_offset; u32 mtl_ets_ctrl; u32 mtl_ets_ctrl_offset; u32 mtl_txq_weight; u32 mtl_txq_weight_offset; u32 mtl_send_slp_cred; u32 mtl_send_slp_cred_offset; u32 mtl_high_cred; u32 mtl_high_cred_offset; u32 mtl_low_cred; u32 mtl_low_cred_offset; }; #define STMMAC_FLAG_HAS_INTEGRATED_PCS BIT(0) #define STMMAC_FLAG_SPH_DISABLE BIT(1) #define STMMAC_FLAG_USE_PHY_WOL BIT(2) #define STMMAC_FLAG_HAS_SUN8I BIT(3) #define STMMAC_FLAG_TSO_EN BIT(4) #define STMMAC_FLAG_SERDES_UP_AFTER_PHY_LINKUP BIT(5) #define STMMAC_FLAG_VLAN_FAIL_Q_EN BIT(6) #define STMMAC_FLAG_MULTI_MSI_EN BIT(7) #define STMMAC_FLAG_EXT_SNAPSHOT_EN BIT(8) #define STMMAC_FLAG_INT_SNAPSHOT_EN BIT(9) #define STMMAC_FLAG_RX_CLK_RUNS_IN_LPI BIT(10) #define STMMAC_FLAG_EN_TX_LPI_CLOCKGATING BIT(11) #define STMMAC_FLAG_HWTSTAMP_CORRECT_LATENCY BIT(12) struct plat_stmmacenet_data { int bus_id; int phy_addr; /* MAC ----- optional PCS ----- SerDes ----- optional PHY ----- Media * ^ ^ * mac_interface phy_interface * * mac_interface is the MAC-side interface, which may be the same * as phy_interface if there is no intervening PCS. If there is a * PCS, then mac_interface describes the interface mode between the * MAC and PCS, and phy_interface describes the interface mode * between the PCS and PHY. */ phy_interface_t mac_interface; /* phy_interface is the PHY-side interface - the interface used by * an attached PHY. */ phy_interface_t phy_interface; struct stmmac_mdio_bus_data *mdio_bus_data; struct device_node *phy_node; struct fwnode_handle *port_node; struct device_node *mdio_node; struct stmmac_dma_cfg *dma_cfg; struct stmmac_est *est; struct stmmac_fpe_cfg *fpe_cfg; struct stmmac_safety_feature_cfg *safety_feat_cfg; int clk_csr; int has_gmac; int enh_desc; int tx_coe; int rx_coe; int bugged_jumbo; int pmt; int force_sf_dma_mode; int force_thresh_dma_mode; int riwt_off; int max_speed; int maxmtu; int multicast_filter_bins; int unicast_filter_entries; int tx_fifo_size; int rx_fifo_size; u32 host_dma_width; u32 rx_queues_to_use; u32 tx_queues_to_use; u8 rx_sched_algorithm; u8 tx_sched_algorithm; struct stmmac_rxq_cfg rx_queues_cfg[MTL_MAX_RX_QUEUES]; struct stmmac_txq_cfg tx_queues_cfg[MTL_MAX_TX_QUEUES]; void (*fix_mac_speed)(void *priv, unsigned int speed, unsigned int mode); int (*fix_soc_reset)(void *priv, void __iomem *ioaddr); int (*serdes_powerup)(struct net_device *ndev, void *priv); void (*serdes_powerdown)(struct net_device *ndev, void *priv); void (*speed_mode_2500)(struct net_device *ndev, void *priv); void (*ptp_clk_freq_config)(struct stmmac_priv *priv); int (*init)(struct platform_device *pdev, void *priv); void (*exit)(struct platform_device *pdev, void *priv); struct mac_device_info *(*setup)(void *priv); int (*clks_config)(void *priv, bool enabled); int (*crosststamp)(ktime_t *device, struct system_counterval_t *system, void *ctx); void (*dump_debug_regs)(void *priv); void *bsp_priv; struct clk *stmmac_clk; struct clk *pclk; struct clk *clk_ptp_ref; unsigned int clk_ptp_rate; unsigned int clk_ref_rate; unsigned int mult_fact_100ns; s32 ptp_max_adj; u32 cdc_error_adj; struct reset_control *stmmac_rst; struct reset_control *stmmac_ahb_rst; struct stmmac_axi *axi; int has_gmac4; int rss_en; int mac_port_sel_speed; int has_xgmac; u8 vlan_fail_q; unsigned int eee_usecs_rate; struct pci_dev *pdev; int int_snapshot_num; int msi_mac_vec; int msi_wol_vec; int msi_lpi_vec; int msi_sfty_ce_vec; int msi_sfty_ue_vec; int msi_rx_base_vec; int msi_tx_base_vec; const struct dwmac4_addrs *dwmac4_addrs; unsigned int flags; }; #endif
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