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u-boot/drivers/net/octeontx2/cgx_intf.h
Suneel Garapati 4684a7a43a net: Add NIC controller driver for OcteonTX2 
Adds support for Network Interface controllers found on
OcteonTX2 SoC platforms.

Signed-off-by: Suneel Garapati <sgarapati@marvell.com>
Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Joe Hershberger <joe.hershberger@ni.com>
2020-10-14 07:55:56 +02:00

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/* SPDX-License-Identifier: GPL-2.0
*
* Copyright (C) 2018 Marvell International Ltd.
*/
#ifndef __CGX_INTF_H__
#define __CGX_INTF_H__
#define CGX_FIRMWARE_MAJOR_VER 1
#define CGX_FIRMWARE_MINOR_VER 0
/* Register offsets */
#define CGX_CMR_INT 0x87e0e0000040
#define CGX_CMR_SCRATCH0 0x87e0e0001050
#define CGX_CMR_SCRATCH1 0x87e0e0001058
#define CGX_SHIFT(x) (0x1000000 * ((x) & 0x3))
#define CMR_SHIFT(x) (0x40000 * ((x) & 0x3))
/* CGX error types. set for cmd response status as CGX_STAT_FAIL */
enum cgx_error_type {
CGX_ERR_NONE,
CGX_ERR_LMAC_NOT_ENABLED,
CGX_ERR_LMAC_MODE_INVALID,
CGX_ERR_REQUEST_ID_INVALID,
CGX_ERR_PREV_ACK_NOT_CLEAR,
CGX_ERR_PHY_LINK_DOWN,
CGX_ERR_PCS_RESET_FAIL,
CGX_ERR_AN_CPT_FAIL,
CGX_ERR_TX_NOT_IDLE,
CGX_ERR_RX_NOT_IDLE,
CGX_ERR_SPUX_BR_BLKLOCK_FAIL,
CGX_ERR_SPUX_RX_ALIGN_FAIL,
CGX_ERR_SPUX_TX_FAULT,
CGX_ERR_SPUX_RX_FAULT,
CGX_ERR_SPUX_RESET_FAIL,
CGX_ERR_SPUX_AN_RESET_FAIL,
CGX_ERR_SPUX_USX_AN_RESET_FAIL,
CGX_ERR_SMUX_RX_LINK_NOT_OK,
CGX_ERR_PCS_LINK_FAIL,
CGX_ERR_TRAINING_FAIL,
CGX_ERR_RX_EQU_FAIL,
CGX_ERR_SPUX_BER_FAIL,
CGX_ERR_SPUX_RSFEC_ALGN_FAIL,
CGX_ERR_SPUX_MARKER_LOCK_FAIL,
CGX_ERR_SET_FEC_INVALID,
CGX_ERR_SET_FEC_FAIL,
CGX_ERR_MODULE_INVALID,
CGX_ERR_MODULE_NOT_PRESENT,
CGX_ERR_SPEED_CHANGE_INVALID, /* = 28 */
/* FIXME : add more error types when adding support for new modes */
};
/* LINK speed types */
enum cgx_link_speed {
CGX_LINK_NONE,
CGX_LINK_10M,
CGX_LINK_100M,
CGX_LINK_1G,
CGX_LINK_2HG, /* 2.5 Gbps */
CGX_LINK_5G,
CGX_LINK_10G,
CGX_LINK_20G,
CGX_LINK_25G,
CGX_LINK_40G,
CGX_LINK_50G,
CGX_LINK_80G,
CGX_LINK_100G,
CGX_LINK_MAX,
};
/* REQUEST ID types. Input to firmware */
enum cgx_cmd_id {
CGX_CMD_NONE = 0,
CGX_CMD_GET_FW_VER,
CGX_CMD_GET_MAC_ADDR,
CGX_CMD_SET_MTU,
CGX_CMD_GET_LINK_STS, /* optional to user */
CGX_CMD_LINK_BRING_UP, /* = 5 */
CGX_CMD_LINK_BRING_DOWN,
CGX_CMD_INTERNAL_LBK,
CGX_CMD_EXTERNAL_LBK,
CGX_CMD_HIGIG,
CGX_CMD_LINK_STAT_CHANGE, /* = 10 */
CGX_CMD_MODE_CHANGE, /* hot plug support */
CGX_CMD_INTF_SHUTDOWN,
CGX_CMD_GET_MKEX_SIZE,
CGX_CMD_GET_MKEX_PROFILE,
CGX_CMD_GET_FWD_BASE, /* get base address of shared FW data */
CGX_CMD_GET_LINK_MODES, /* Supported Link Modes */
CGX_CMD_SET_LINK_MODE,
CGX_CMD_GET_SUPPORTED_FEC,
CGX_CMD_SET_FEC,
CGX_CMD_GET_AN, /* = 20 */
CGX_CMD_SET_AN,
CGX_CMD_GET_ADV_LINK_MODES,
CGX_CMD_GET_ADV_FEC,
CGX_CMD_GET_PHY_MOD_TYPE, /* line-side modulation type: NRZ or PAM4 */
CGX_CMD_SET_PHY_MOD_TYPE, /* = 25 */
CGX_CMD_PRBS,
CGX_CMD_DISPLAY_EYE,
CGX_CMD_GET_PHY_FEC_STATS,
CGX_CMD_DISPLAY_SERDES,
CGX_CMD_AN_LOOPBACK, /* = 30 */
CGX_CMD_GET_PERSIST_IGNORE,
CGX_CMD_SET_PERSIST_IGNORE,
CGX_CMD_SET_MAC_ADDR,
};
/* async event ids */
enum cgx_evt_id {
CGX_EVT_NONE,
CGX_EVT_LINK_CHANGE,
};
/* event types - cause of interrupt */
enum cgx_evt_type {
CGX_EVT_ASYNC,
CGX_EVT_CMD_RESP
};
enum cgx_stat {
CGX_STAT_SUCCESS,
CGX_STAT_FAIL
};
enum cgx_cmd_own {
/* default ownership with kernel/uefi/u-boot */
CGX_OWN_NON_SECURE_SW,
/* set by kernel/uefi/u-boot after posting a new request to ATF */
CGX_OWN_FIRMWARE,
};
/* Supported LINK MODE enums
* Each link mode is a bit mask of these
* enums which are represented as bits
*/
enum cgx_mode_t {
CGX_MODE_SGMII_BIT = 0,
CGX_MODE_1000_BASEX_BIT,
CGX_MODE_QSGMII_BIT,
CGX_MODE_10G_C2C_BIT,
CGX_MODE_10G_C2M_BIT,
CGX_MODE_10G_KR_BIT,
CGX_MODE_20G_C2C_BIT,
CGX_MODE_25G_C2C_BIT,
CGX_MODE_25G_C2M_BIT,
CGX_MODE_25G_2_C2C_BIT,
CGX_MODE_25G_CR_BIT,
CGX_MODE_25G_KR_BIT,
CGX_MODE_40G_C2C_BIT,
CGX_MODE_40G_C2M_BIT,
CGX_MODE_40G_CR4_BIT,
CGX_MODE_40G_KR4_BIT,
CGX_MODE_40GAUI_C2C_BIT,
CGX_MODE_50G_C2C_BIT,
CGX_MODE_50G_C2M_BIT,
CGX_MODE_50G_4_C2C_BIT,
CGX_MODE_50G_CR_BIT,
CGX_MODE_50G_KR_BIT,
CGX_MODE_80GAUI_C2C_BIT,
CGX_MODE_100G_C2C_BIT,
CGX_MODE_100G_C2M_BIT,
CGX_MODE_100G_CR4_BIT,
CGX_MODE_100G_KR4_BIT,
CGX_MODE_MAX_BIT /* = 29 */
};
/* scratchx(0) CSR used for ATF->non-secure SW communication.
* This acts as the status register
* Provides details on command ack/status, link status, error details
*/
/* CAUTION : below structures are placed in order based on the bit positions
* For any updates/new bitfields, corresponding structures needs to be updated
*/
struct cgx_evt_sts_s { /* start from bit 0 */
u64 ack:1;
u64 evt_type:1; /* cgx_evt_type */
u64 stat:1; /* cgx_stat */
u64 id:6; /* cgx_evt_id/cgx_cmd_id */
u64 reserved:55;
};
/* all the below structures are in the same memory location of SCRATCHX(0)
* value can be read/written based on command ID
*/
/* Resp to command IDs with command status as CGX_STAT_FAIL
* Not applicable for commands :
* CGX_CMD_LINK_BRING_UP/DOWN/CGX_EVT_LINK_CHANGE
* check struct cgx_lnk_sts_s comments
*/
struct cgx_err_sts_s { /* start from bit 9 */
u64 reserved1:9;
u64 type:10; /* cgx_error_type */
u64 reserved2:35;
};
/* Resp to cmd ID as CGX_CMD_GET_FW_VER with cmd status as CGX_STAT_SUCCESS */
struct cgx_ver_s { /* start from bit 9 */
u64 reserved1:9;
u64 major_ver:4;
u64 minor_ver:4;
u64 reserved2:47;
};
/* Resp to cmd ID as CGX_CMD_GET_MAC_ADDR with cmd status as CGX_STAT_SUCCESS
* Returns each byte of MAC address in a separate bit field
*/
struct cgx_mac_addr_s { /* start from bit 9 */
u64 reserved1:9;
u64 addr_0:8;
u64 addr_1:8;
u64 addr_2:8;
u64 addr_3:8;
u64 addr_4:8;
u64 addr_5:8;
u64 reserved2:7;
};
/* Resp to cmd ID - CGX_CMD_LINK_BRING_UP/DOWN, event ID CGX_EVT_LINK_CHANGE
* status can be either CGX_STAT_FAIL or CGX_STAT_SUCCESS
* In case of CGX_STAT_FAIL, it indicates CGX configuration failed when
* processing link up/down/change command. Both err_type and current link status
* will be updated
* In case of CGX_STAT_SUCCESS, err_type will be CGX_ERR_NONE and current
* link status will be updated
*/
struct cgx_lnk_sts_s {
u64 reserved1:9;
u64 link_up:1;
u64 full_duplex:1;
u64 speed:4; /* cgx_link_speed */
u64 err_type:10;
u64 an:1; /* Current AN state : enabled/disabled */
u64 fec:2; /* Current FEC type if enabled, if not 0 */
u64 port:8; /* Share the current port info if required */
u64 mode:8; /* cgx_mode_t enum integer value */
u64 reserved2:20;
};
struct sh_fwd_base_s {
u64 reserved1:9;
u64 addr:55;
};
struct cgx_link_modes_s {
u64 reserved1:9;
u64 modes:55;
};
/* Resp to cmd ID - CGX_CMD_GET_ADV_FEC/CGX_CMD_GET_SUPPORTED_FEC
* fec : 2 bits
* typedef enum cgx_fec_type {
* CGX_FEC_NONE,
* CGX_FEC_BASE_R,
* CGX_FEC_RS
* } fec_type_t;
*/
struct cgx_fec_types_s {
u64 reserved1:9;
u64 fec:2;
u64 reserved2:53;
};
/* Resp to cmd ID - CGX_CMD_GET_AN */
struct cgx_get_an_s {
u64 reserved1:9;
u64 an:1;
u64 reserved2:54;
};
/* Resp to cmd ID - CGX_CMD_GET_PHY_MOD_TYPE */
struct cgx_get_phy_mod_type_s {
u64 reserved1:9;
u64 mod:1; /* 0=NRZ, 1=PAM4 */
u64 reserved2:54;
};
/* Resp to cmd ID - CGX_CMD_GET_PERSIST_IGNORE */
struct cgx_get_flash_ignore_s {
uint64_t reserved1:9;
uint64_t ignore:1;
uint64_t reserved2:54;
};
union cgx_rsp_sts {
/* Fixed, applicable for all commands/events */
struct cgx_evt_sts_s evt_sts;
/* response to CGX_CMD_LINK_BRINGUP/DOWN/LINK_CHANGE */
struct cgx_lnk_sts_s link_sts;
/* response to CGX_CMD_GET_FW_VER */
struct cgx_ver_s ver;
/* response to CGX_CMD_GET_MAC_ADDR */
struct cgx_mac_addr_s mac_s;
/* response to CGX_CMD_GET_FWD_BASE */
struct sh_fwd_base_s fwd_base_s;
/* response if evt_status = CMD_FAIL */
struct cgx_err_sts_s err;
/* response to CGX_CMD_GET_SUPPORTED_FEC */
struct cgx_fec_types_s supported_fec;
/* response to CGX_CMD_GET_LINK_MODES */
struct cgx_link_modes_s supported_modes;
/* response to CGX_CMD_GET_ADV_LINK_MODES */
struct cgx_link_modes_s adv_modes;
/* response to CGX_CMD_GET_ADV_FEC */
struct cgx_fec_types_s adv_fec;
/* response to CGX_CMD_GET_AN */
struct cgx_get_an_s an;
/* response to CGX_CMD_GET_PHY_MOD_TYPE */
struct cgx_get_phy_mod_type_s phy_mod_type;
/* response to CGX_CMD_GET_PERSIST_IGNORE */
struct cgx_get_flash_ignore_s persist;
#ifdef NT_FW_CONFIG
/* response to CGX_CMD_GET_MKEX_SIZE */
struct cgx_mcam_profile_sz_s prfl_sz;
/* response to CGX_CMD_GET_MKEX_PROFILE */
struct cgx_mcam_profile_addr_s prfl_addr;
#endif
};
union cgx_scratchx0 {
u64 u;
union cgx_rsp_sts s;
};
/* scratchx(1) CSR used for non-secure SW->ATF communication
* This CSR acts as a command register
*/
struct cgx_cmd { /* start from bit 2 */
u64 reserved1:2;
u64 id:6; /* cgx_request_id */
u64 reserved2:56;
};
/* all the below structures are in the same memory location of SCRATCHX(1)
* corresponding arguments for command Id needs to be updated
*/
/* Any command using enable/disable as an argument need
* to pass the option via this structure.
* Ex: Loopback, HiGig...
*/
struct cgx_ctl_args { /* start from bit 8 */
u64 reserved1:8;
u64 enable:1;
u64 reserved2:55;
};
/* command argument to be passed for cmd ID - CGX_CMD_SET_MTU */
struct cgx_mtu_args {
u64 reserved1:8;
u64 size:16;
u64 reserved2:40;
};
/* command argument to be passed for cmd ID - CGX_CMD_MODE_CHANGE */
struct cgx_mode_change_args {
uint64_t reserved1:8;
uint64_t speed:4; /* cgx_link_speed enum */
uint64_t duplex:1; /* 0 - full duplex, 1 - half duplex */
uint64_t an:1; /* 0 - disable AN, 1 - enable AN */
uint64_t port:8; /* device port */
uint64_t mode:42;
};
/* command argument to be passed for cmd ID - CGX_CMD_LINK_CHANGE */
struct cgx_link_change_args { /* start from bit 8 */
u64 reserved1:8;
u64 link_up:1;
u64 full_duplex:1;
u64 speed:4; /* cgx_link_speed */
u64 reserved2:50;
};
/* command argument to be passed for cmd ID - CGX_CMD_SET_LINK_MODE */
struct cgx_set_mode_args {
u64 reserved1:8;
u64 mode:56;
};
/* command argument to be passed for cmd ID - CGX_CMD_SET_FEC */
struct cgx_set_fec_args {
u64 reserved1:8;
u64 fec:2;
u64 reserved2:54;
};
/* command argument to be passed for cmd ID - CGX_CMD_SET_PHY_MOD_TYPE */
struct cgx_set_phy_mod_args {
u64 reserved1:8;
u64 mod:1; /* 0=NRZ, 1=PAM4 */
u64 reserved2:55;
};
/* command argument to be passed for cmd ID - CGX_CMD_SET_PERSIST_IGNORE */
struct cgx_set_flash_ignore_args {
uint64_t reserved1:8;
uint64_t ignore:1;
uint64_t reserved2:55;
};
/* command argument to be passed for cmd ID - CGX_CMD_SET_MAC_ADDR */
struct cgx_mac_addr_args {
uint64_t reserved1:8;
uint64_t addr:48;
uint64_t pf_id:8;
};
struct cgx_prbs_args {
u64 reserved1:8; /* start from bit 8 */
u64 lane:8;
u64 qlm:8;
u64 stop_on_error:1;
u64 mode:8;
u64 time:31;
};
struct cgx_display_eye_args {
u64 reserved1:8; /* start from bit 8 */
u64 qlm:8;
u64 lane:47;
};
union cgx_cmd_s {
u64 own_status:2; /* cgx_cmd_own */
struct cgx_cmd cmd;
struct cgx_ctl_args cmd_args;
struct cgx_mtu_args mtu_size;
struct cgx_link_change_args lnk_args; /* Input to CGX_CMD_LINK_CHANGE */
struct cgx_set_mode_args mode_args;
struct cgx_mode_change_args mode_change_args;
struct cgx_set_fec_args fec_args;
struct cgx_set_phy_mod_args phy_mod_args;
struct cgx_set_flash_ignore_args persist_args;
struct cgx_mac_addr_args mac_args;
/* any other arg for command id * like : mtu, dmac filtering control */
struct cgx_prbs_args prbs_args;
struct cgx_display_eye_args dsp_eye_args;
};
union cgx_scratchx1 {
u64 u;
union cgx_cmd_s s;
};
#endif /* __CGX_INTF_H__ */
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