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Message-ID: <20230724112934.2637802-2-danishanwar@ti.com>
Date: Mon, 24 Jul 2023 16:59:25 +0530
From: MD Danish Anwar <danishanwar@...com>
To: Randy Dunlap <rdunlap@...radead.org>,
Roger Quadros <rogerq@...nel.org>,
Simon Horman <simon.horman@...igine.com>,
Vignesh Raghavendra <vigneshr@...com>,
Andrew Lunn <andrew@...n.ch>,
Richard Cochran <richardcochran@...il.com>,
Conor Dooley <conor+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Rob Herring <robh+dt@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
Jakub Kicinski <kuba@...nel.org>,
Eric Dumazet <edumazet@...gle.com>,
"David S. Miller" <davem@...emloft.net>,
MD Danish Anwar <danishanwar@...com>
CC: <nm@...com>, <srk@...com>, <linux-kernel@...r.kernel.org>,
<devicetree@...r.kernel.org>, <netdev@...r.kernel.org>,
<linux-omap@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>
Subject: [PATCH v11 01/10] net: ti: icssg-prueth: Add Firmware Interface for ICSSG Ethernet driver.
Add firmware interface related headers and macros for ICSSG Ethernet
driver. These macros will be later used by the ICSSG ethernet driver.
Signed-off-by: MD Danish Anwar <danishanwar@...com>
Reviewed-by: Andrew Lunn <andrew@...n.ch>
---
drivers/net/ethernet/ti/icssg_switch_map.h | 234 +++++++++++++++++++++
1 file changed, 234 insertions(+)
create mode 100644 drivers/net/ethernet/ti/icssg_switch_map.h
diff --git a/drivers/net/ethernet/ti/icssg_switch_map.h b/drivers/net/ethernet/ti/icssg_switch_map.h
new file mode 100644
index 000000000000..424a7e945ea8
--- /dev/null
+++ b/drivers/net/ethernet/ti/icssg_switch_map.h
@@ -0,0 +1,234 @@
+/* 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_SWITCH_MAP_H
+#define __NET_TI_ICSSG_SWITCH_MAP_H
+
+/************************* Ethernet Switch Constants *********************/
+
+/* if bucket size is changed in firmware then this too should be changed
+ * because it directly impacts FDB ageing calculation
+ */
+#define NUMBER_OF_FDB_BUCKET_ENTRIES (4)
+
+/* This is fixed in ICSSG */
+#define SIZE_OF_FDB (2048)
+
+#define FW_LINK_SPEED_1G (0x00)
+#define FW_LINK_SPEED_100M (0x01)
+#define FW_LINK_SPEED_10M (0x02)
+#define FW_LINK_SPEED_HD (0x80)
+
+/* Time after which FDB entries are checked for aged out values.
+ * Values are in nanoseconds
+ */
+#define FDB_AGEING_TIMEOUT_OFFSET 0x0014
+
+/* Default VLAN tag for Host Port */
+#define HOST_PORT_DF_VLAN_OFFSET 0x001C
+
+/* Same as HOST_PORT_DF_VLAN_OFFSET */
+#define EMAC_ICSSG_SWITCH_PORT0_DEFAULT_VLAN_OFFSET HOST_PORT_DF_VLAN_OFFSET
+
+/* Default VLAN tag for P1 Port */
+#define P1_PORT_DF_VLAN_OFFSET 0x0020
+
+/* Same as P1_PORT_DF_VLAN_OFFSET */
+#define EMAC_ICSSG_SWITCH_PORT1_DEFAULT_VLAN_OFFSET P1_PORT_DF_VLAN_OFFSET
+
+/* default VLAN tag for P2 Port */
+#define P2_PORT_DF_VLAN_OFFSET 0x0024
+
+/* Same as P2_PORT_DF_VLAN_OFFSET */
+#define EMAC_ICSSG_SWITCH_PORT2_DEFAULT_VLAN_OFFSET P2_PORT_DF_VLAN_OFFSET
+
+/* VLAN-FID Table offset. 4096 VIDs. 2B per VID = 8KB = 0x2000 */
+#define VLAN_STATIC_REG_TABLE_OFFSET 0x0100
+
+/* VLAN-FID Table offset for EMAC */
+#define EMAC_ICSSG_SWITCH_DEFAULT_VLAN_TABLE_OFFSET VLAN_STATIC_REG_TABLE_OFFSET
+
+/* Packet descriptor Q reserved memory */
+#define PORT_DESC0_HI 0x2104
+
+/* Packet descriptor Q reserved memory */
+#define PORT_DESC0_LO 0x2F6C
+
+/* Packet descriptor Q reserved memory */
+#define PORT_DESC1_HI 0x3DD4
+
+/* Packet descriptor Q reserved memory */
+#define PORT_DESC1_LO 0x4C3C
+
+/* Packet descriptor Q reserved memory */
+#define HOST_DESC0_HI 0x5AA4
+
+/* Packet descriptor Q reserved memory */
+#define HOST_DESC0_LO 0x5F0C
+
+/* Packet descriptor Q reserved memory */
+#define HOST_DESC1_HI 0x6374
+
+/* Packet descriptor Q reserved memory */
+#define HOST_DESC1_LO 0x67DC
+
+/* Special packet descriptor Q reserved memory */
+#define HOST_SPPD0 0x7AAC
+
+/* Special acket descriptor Q reserved memory */
+#define HOST_SPPD1 0x7EAC
+
+/* IEP count cycle counter*/
+#define TIMESYNC_FW_WC_CYCLECOUNT_OFFSET 0x83EC
+
+/* IEP count hi roll over count */
+#define TIMESYNC_FW_WC_HI_ROLLOVER_COUNT_OFFSET 0x83F4
+
+/* IEP count hi sw counter */
+#define TIMESYNC_FW_WC_COUNT_HI_SW_OFFSET_OFFSET 0x83F8
+
+/* Set clock descriptor */
+#define TIMESYNC_FW_WC_SETCLOCK_DESC_OFFSET 0x83FC
+
+/* IEP count syncout reduction factor */
+#define TIMESYNC_FW_WC_SYNCOUT_REDUCTION_FACTOR_OFFSET 0x843C
+
+/* IEP count syncout reduction counter */
+#define TIMESYNC_FW_WC_SYNCOUT_REDUCTION_COUNT_OFFSET 0x8440
+
+/* IEP count syncout start time cycle counter */
+#define TIMESYNC_FW_WC_SYNCOUT_START_TIME_CYCLECOUNT_OFFSET 0x8444
+
+/* Control variable to generate SYNC1 */
+#define TIMESYNC_FW_WC_ISOM_PIN_SIGNAL_EN_OFFSET 0x844C
+
+/* SystemTime Sync0 periodicity */
+#define TIMESYNC_FW_ST_SYNCOUT_PERIOD_OFFSET 0x8450
+
+/* pktTxDelay for P1 = link speed dependent p1 mac delay + p1 phy delay */
+#define TIMESYNC_FW_WC_PKTTXDELAY_P1_OFFSET 0x8454
+
+/* pktTxDelay for P2 = link speed dependent p2 mac delay + p2 phy delay */
+#define TIMESYNC_FW_WC_PKTTXDELAY_P2_OFFSET 0x8458
+
+/* Set clock operation done signal for next task */
+#define TIMESYNC_FW_SIG_PNFW_OFFSET 0x845C
+
+/* Set clock operation done signal for next task */
+#define TIMESYNC_FW_SIG_TIMESYNCFW_OFFSET 0x8460
+
+/* New list is copied at this time */
+#define TAS_CONFIG_CHANGE_TIME 0x000C
+
+/* config change error counter */
+#define TAS_CONFIG_CHANGE_ERROR_COUNTER 0x0014
+
+/* TAS List update pending flag */
+#define TAS_CONFIG_PENDING 0x0018
+
+/* TAS list update trigger flag */
+#define TAS_CONFIG_CHANGE 0x0019
+
+/* List length for new TAS schedule */
+#define TAS_ADMIN_LIST_LENGTH 0x001A
+
+/* Currently active TAS list index */
+#define TAS_ACTIVE_LIST_INDEX 0x001B
+
+/* Cycle time for the new TAS schedule */
+#define TAS_ADMIN_CYCLE_TIME 0x001C
+
+/* Cycle counts remaining till the TAS list update */
+#define TAS_CONFIG_CHANGE_CYCLE_COUNT 0x0020
+
+/* Base Flow ID for sending Packets to Host for Slice0 */
+#define PSI_L_REGULAR_FLOW_ID_BASE_OFFSET 0x0024
+
+/* Same as PSI_L_REGULAR_FLOW_ID_BASE_OFFSET */
+#define EMAC_ICSSG_SWITCH_PSI_L_REGULAR_FLOW_ID_BASE_OFFSET PSI_L_REGULAR_FLOW_ID_BASE_OFFSET
+
+/* Base Flow ID for sending mgmt and Tx TS to Host for Slice0 */
+#define PSI_L_MGMT_FLOW_ID_OFFSET 0x0026
+
+/* Same as PSI_L_MGMT_FLOW_ID_OFFSET */
+#define EMAC_ICSSG_SWITCH_PSI_L_MGMT_FLOW_ID_BASE_OFFSET PSI_L_MGMT_FLOW_ID_OFFSET
+
+/* Queue number for Special Packets written here */
+#define SPL_PKT_DEFAULT_PRIORITY 0x0028
+
+/* Express Preemptible Queue Mask */
+#define EXPRESS_PRE_EMPTIVE_Q_MASK 0x0029
+
+/* Port1/Port2 Default Queue number for untagged Packets, only 1B is used */
+#define QUEUE_NUM_UNTAGGED 0x002A
+
+/* Stores the table used for priority regeneration. 1B per PCP/Queue */
+#define PORT_Q_PRIORITY_REGEN_OFFSET 0x002C
+
+/* For marking Packet as priority/express (this feature is disabled) or
+ * cut-through/S&F.
+ */
+#define EXPRESS_PRE_EMPTIVE_Q_MAP 0x0034
+
+/* Stores the table used for priority mapping. 1B per PCP/Queue */
+#define PORT_Q_PRIORITY_MAPPING_OFFSET 0x003C
+
+/* Used to notify the FW of the current link speed */
+#define PORT_LINK_SPEED_OFFSET 0x00A8
+
+/* TAS gate mask for windows list0 */
+#define TAS_GATE_MASK_LIST0 0x0100
+
+/* TAS gate mask for windows list1 */
+#define TAS_GATE_MASK_LIST1 0x0350
+
+/* Memory to Enable/Disable Preemption on TX side */
+#define PRE_EMPTION_ENABLE_TX 0x05A0
+
+/* Active State of Preemption on TX side */
+#define PRE_EMPTION_ACTIVE_TX 0x05A1
+
+/* Memory to Enable/Disable Verify State Machine Preemption */
+#define PRE_EMPTION_ENABLE_VERIFY 0x05A2
+
+/* Verify Status of State Machine */
+#define PRE_EMPTION_VERIFY_STATUS 0x05A3
+
+/* Non Final Fragment Size supported by Link Partner */
+#define PRE_EMPTION_ADD_FRAG_SIZE_REMOTE 0x05A4
+
+/* Non Final Fragment Size supported by Firmware */
+#define PRE_EMPTION_ADD_FRAG_SIZE_LOCAL 0x05A6
+
+/* Time in ms the State machine waits for respond Packet */
+#define PRE_EMPTION_VERIFY_TIME 0x05A8
+
+/* Memory used for R30 related management commands */
+#define MGR_R30_CMD_OFFSET 0x05AC
+
+/* HW Buffer Pool0 base address */
+#define BUFFER_POOL_0_ADDR_OFFSET 0x05BC
+
+/* 16B for Host Egress MSMC Q (Pre-emptible) context */
+#define HOST_RX_Q_PRE_CONTEXT_OFFSET 0x0684
+
+/* Buffer for 8 FDB entries to be added by 'Add Multiple FDB entries IOCTL' */
+#define FDB_CMD_BUFFER 0x0894
+
+/* TAS queue max sdu length list */
+#define TAS_QUEUE_MAX_SDU_LIST 0x08FA
+
+/* Used by FW to generate random number with the SEED value */
+#define HD_RAND_SEED_OFFSET 0x0934
+
+/* 16B for Host Egress MSMC Q (Express) context */
+#define HOST_RX_Q_EXP_CONTEXT_OFFSET 0x0940
+
+/* Start of 32 bits PA_STAT counters */
+#define PA_STAT_32b_START_OFFSET 0x0080
+
+#endif /* __NET_TI_ICSSG_SWITCH_MAP_H */
--
2.34.1
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