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/* 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