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/* SPDX-License-Identifier: GPL-2.0 */
/* Texas Instruments ICSSG Ethernet driver
*
* Copyright (C) 2022 Texas Instruments Incorporated - https://www.ti.com/
*
*/
#ifndef __NET_TI_ICSSG_CONFIG_H
#define __NET_TI_ICSSG_CONFIG_H
struct icssg_buffer_pool_cfg {
__le32 addr;
__le32 len;
} __packed;
struct icssg_flow_cfg {
__le16 rx_base_flow;
__le16 mgm_base_flow;
} __packed;
#define PRUETH_PKT_TYPE_CMD 0x10
#define PRUETH_NAV_PS_DATA_SIZE 16 /* Protocol specific data size */
#define PRUETH_NAV_SW_DATA_SIZE 16 /* SW related data size */
#define PRUETH_MAX_TX_DESC 512
#define PRUETH_MAX_RX_DESC 512
#define PRUETH_MAX_RX_FLOWS 1 /* excluding default flow */
#define PRUETH_RX_FLOW_DATA 0
#define PRUETH_EMAC_BUF_POOL_SIZE SZ_8K
#define PRUETH_EMAC_POOLS_PER_SLICE 24
#define PRUETH_EMAC_BUF_POOL_START 8
#define PRUETH_NUM_BUF_POOLS 8
#define PRUETH_EMAC_RX_CTX_BUF_SIZE SZ_16K /* per slice */
#define MSMC_RAM_SIZE \
(2 * (PRUETH_EMAC_BUF_POOL_SIZE * PRUETH_NUM_BUF_POOLS + \
PRUETH_EMAC_RX_CTX_BUF_SIZE * 2))
struct icssg_rxq_ctx {
__le32 start[3];
__le32 end;
} __packed;
/* Load time Fiwmware Configuration */
#define ICSSG_FW_MGMT_CMD_HEADER 0x81
#define ICSSG_FW_MGMT_FDB_CMD_TYPE 0x03
#define ICSSG_FW_MGMT_CMD_TYPE 0x04
#define ICSSG_FW_MGMT_PKT 0x80000000
struct icssg_r30_cmd {
u32 cmd[4];
} __packed;
enum icssg_port_state_cmd {
ICSSG_EMAC_PORT_DISABLE = 0,
ICSSG_EMAC_PORT_BLOCK,
ICSSG_EMAC_PORT_FORWARD,
ICSSG_EMAC_PORT_FORWARD_WO_LEARNING,
ICSSG_EMAC_PORT_ACCEPT_ALL,
ICSSG_EMAC_PORT_ACCEPT_TAGGED,
ICSSG_EMAC_PORT_ACCEPT_UNTAGGED_N_PRIO,
ICSSG_EMAC_PORT_TAS_TRIGGER,
ICSSG_EMAC_PORT_TAS_ENABLE,
ICSSG_EMAC_PORT_TAS_RESET,
ICSSG_EMAC_PORT_TAS_DISABLE,
ICSSG_EMAC_PORT_UC_FLOODING_ENABLE,
ICSSG_EMAC_PORT_UC_FLOODING_DISABLE,
ICSSG_EMAC_PORT_MC_FLOODING_ENABLE,
ICSSG_EMAC_PORT_MC_FLOODING_DISABLE,
ICSSG_EMAC_PORT_PREMPT_TX_ENABLE,
ICSSG_EMAC_PORT_PREMPT_TX_DISABLE,
ICSSG_EMAC_PORT_VLAN_AWARE_ENABLE,
ICSSG_EMAC_PORT_VLAN_AWARE_DISABLE,
ICSSG_EMAC_PORT_MAX_COMMANDS
};
#define EMAC_NONE 0xffff0000
#define EMAC_PRU0_P_DI 0xffff0004
#define EMAC_PRU1_P_DI 0xffff0040
#define EMAC_TX_P_DI 0xffff0100
#define EMAC_PRU0_P_EN 0xfffb0000
#define EMAC_PRU1_P_EN 0xffbf0000
#define EMAC_TX_P_EN 0xfeff0000
#define EMAC_P_BLOCK 0xffff0040
#define EMAC_TX_P_BLOCK 0xffff0200
#define EMAC_P_UNBLOCK 0xffbf0000
#define EMAC_TX_P_UNBLOCK 0xfdff0000
#define EMAC_LEAN_EN 0xfff70000
#define EMAC_LEAN_DI 0xffff0008
#define EMAC_ACCEPT_ALL 0xffff0001
#define EMAC_ACCEPT_TAG 0xfffe0002
#define EMAC_ACCEPT_PRIOR 0xfffc0000
/* Config area lies in DRAM */
#define ICSSG_CONFIG_OFFSET 0x0
/* Config area lies in shared RAM */
#define ICSSG_CONFIG_OFFSET_SLICE0 0
#define ICSSG_CONFIG_OFFSET_SLICE1 0x8000
#define ICSSG_NUM_NORMAL_PDS 64
#define ICSSG_NUM_SPECIAL_PDS 16
#define ICSSG_NORMAL_PD_SIZE 8
#define ICSSG_SPECIAL_PD_SIZE 20
#define ICSSG_FLAG_MASK 0xff00ffff
/* SR1.0-specific bits */
#define PRUETH_MAX_RX_FLOWS_SR1 4 /* excluding default flow */
#define PRUETH_RX_FLOW_DATA_SR1 3 /* highest priority flow */
#define PRUETH_MAX_RX_MGM_DESC_SR1 8
#define PRUETH_MAX_RX_MGM_FLOWS_SR1 2 /* excluding default flow */
#define PRUETH_RX_MGM_FLOW_RESPONSE_SR1 0
#define PRUETH_RX_MGM_FLOW_TIMESTAMP_SR1 1
#define PRUETH_NUM_BUF_POOLS_SR1 16
#define PRUETH_EMAC_BUF_POOL_START_SR1 8
#define PRUETH_EMAC_BUF_POOL_MIN_SIZE_SR1 128
#define PRUETH_EMAC_BUF_SIZE_SR1 1536
#define PRUETH_EMAC_NUM_BUF_SR1 4
#define PRUETH_EMAC_BUF_POOL_SIZE_SR1 (PRUETH_EMAC_NUM_BUF_SR1 * \
PRUETH_EMAC_BUF_SIZE_SR1)
#define MSMC_RAM_SIZE_SR1 (SZ_64K + SZ_32K + SZ_2K) /* 0x1880 x 8 x 2 */
struct icssg_sr1_config {
__le32 status; /* Firmware status */
__le32 addr_lo; /* MSMC Buffer pool base address low. */
__le32 addr_hi; /* MSMC Buffer pool base address high. Must be 0 */
__le32 tx_buf_sz[16]; /* Array of buffer pool sizes */
__le32 num_tx_threads; /* Number of active egress threads, 1 to 4 */
__le32 tx_rate_lim_en; /* Bitmask: Egress rate limit en per thread */
__le32 rx_flow_id; /* RX flow id for first rx ring */
__le32 rx_mgr_flow_id; /* RX flow id for the first management ring */
__le32 flags; /* TBD */
__le32 n_burst; /* for debug */
__le32 rtu_status; /* RTU status */
__le32 info; /* reserved */
__le32 reserve;
__le32 rand_seed; /* Used for the random number generation at fw */
} __packed;
/* SR1.0 shutdown command to stop processing at firmware.
* Command format: 0x8101ss00, where
* - ss: sequence number. Currently not used by driver.
*/
#define ICSSG_SHUTDOWN_CMD_SR1 0x81010000
/* SR1.0 pstate speed/duplex command to set speed and duplex settings
* in firmware.
* Command format: 0x8102ssPN, where
* - ss: sequence number. Currently not used by driver.
* - P: port number (for switch mode).
* - N: Speed/Duplex state:
* 0x0 - 10Mbps/Half duplex;
* 0x8 - 10Mbps/Full duplex;
* 0x2 - 100Mbps/Half duplex;
* 0xa - 100Mbps/Full duplex;
* 0xc - 1Gbps/Full duplex;
* NOTE: The above are the same value as bits [3..1](slice 0)
* or bits [7..5](slice 1) of RGMII CFG register.
*/
#define ICSSG_PSTATE_SPEED_DUPLEX_CMD_SR1 0x81020000
struct icssg_setclock_desc {
u8 request;
u8 restore;
u8 acknowledgment;
u8 cmp_status;
u32 margin;
u32 cyclecounter0_set;
u32 cyclecounter1_set;
u32 iepcount_set;
u32 rsvd1;
u32 rsvd2;
u32 CMP0_current;
u32 iepcount_current;
u32 difference;
u32 cyclecounter0_new;
u32 cyclecounter1_new;
u32 CMP0_new;
} __packed;
#define ICSSG_CMD_POP_SLICE0 56
#define ICSSG_CMD_POP_SLICE1 60
#define ICSSG_CMD_PUSH_SLICE0 57
#define ICSSG_CMD_PUSH_SLICE1 61
#define ICSSG_RSP_POP_SLICE0 58
#define ICSSG_RSP_POP_SLICE1 62
#define ICSSG_RSP_PUSH_SLICE0 56
#define ICSSG_RSP_PUSH_SLICE1 60
#define ICSSG_TS_POP_SLICE0 59
#define ICSSG_TS_POP_SLICE1 63
#define ICSSG_TS_PUSH_SLICE0 40
#define ICSSG_TS_PUSH_SLICE1 41
/* FDB FID_C2 flag definitions */
/* Indicates host port membership.*/
#define ICSSG_FDB_ENTRY_P0_MEMBERSHIP BIT(0)
/* Indicates that MAC ID is connected to physical port 1 */
#define ICSSG_FDB_ENTRY_P1_MEMBERSHIP BIT(1)
/* Indicates that MAC ID is connected to physical port 2 */
#define ICSSG_FDB_ENTRY_P2_MEMBERSHIP BIT(2)
/* Ageable bit is set for learned entries and cleared for static entries */
#define ICSSG_FDB_ENTRY_AGEABLE BIT(3)
/* If set for DA then packet is determined to be a special packet */
#define ICSSG_FDB_ENTRY_BLOCK BIT(4)
/* If set for DA then the SA from the packet is not learned */
#define ICSSG_FDB_ENTRY_SECURE BIT(5)
/* If set, it means packet has been seen recently with source address + FID
* matching MAC address/FID of entry
*/
#define ICSSG_FDB_ENTRY_TOUCHED BIT(6)
/* Set if entry is valid */
#define ICSSG_FDB_ENTRY_VALID BIT(7)
/**
* struct prueth_vlan_tbl - VLAN table entries struct in ICSSG SMEM
* @fid_c1: membership and forwarding rules flag to this table. See
* above to defines for bit definitions
* @fid: FDB index for this VID (there is 1-1 mapping b/w VID and FID)
*/
struct prueth_vlan_tbl {
u8 fid_c1;
u8 fid;
} __packed;
/**
* struct prueth_fdb_slot - Result of FDB slot lookup
* @mac: MAC address
* @fid: fid to be associated with MAC
* @fid_c2: FID_C2 entry for this MAC
*/
struct prueth_fdb_slot {
u8 mac[ETH_ALEN];
u8 fid;
u8 fid_c2;
} __packed;
enum icssg_ietfpe_verify_states {
ICSSG_IETFPE_STATE_UNKNOWN = 0,
ICSSG_IETFPE_STATE_INITIAL,
ICSSG_IETFPE_STATE_VERIFYING,
ICSSG_IETFPE_STATE_SUCCEEDED,
ICSSG_IETFPE_STATE_FAILED,
ICSSG_IETFPE_STATE_DISABLED
};
#endif /* __NET_TI_ICSSG_CONFIG_H */
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