1 /* SPDX-License-Identifier: BSD-3-Clause */ 2 /* Copyright(c) 2007-2022 Intel Corporation */ 3 #ifndef ADF_C4XXX_RESET_H_ 4 #define ADF_C4XXX_RESET_H_ 5 6 #include <adf_accel_devices.h> 7 #include <adf_common_drv.h> 8 #include "adf_c4xxx_hw_data.h" 9 10 /* IA2IOSFSB register definitions */ 11 #define ADF_C4XXX_IA2IOSFSB_PORTCMD (0x60000 + 0x1320) 12 #define ADF_C4XXX_IA2IOSFSB_LOADD (0x60000 + 0x1324) 13 #define ADF_C4XXX_IA2IOSFSB_HIADD (0x60000 + 0x1328) 14 #define ADF_C4XXX_IA2IOSFSB_DATA(index) ((index)*0x4 + 0x60000 + 0x132C) 15 #define ADF_C4XXX_IA2IOSFSB_KHOLE (0x60000 + 0x136C) 16 #define ADF_C4XXX_IA2IOSFSB_STATUS (0x60000 + 0x1370) 17 18 /* IOSF-SB Port command definitions */ 19 /* Ethernet controller Port ID */ 20 #define ADF_C4XXX_ETH_PORT_ID 0x61 21 /* Byte enable */ 22 #define ADF_C4XXX_PORTD_CMD_BE 0xFF 23 /* Non posted; Only non-posted commands are used */ 24 #define ADF_C4XXX_PORTD_CMD_NP 0x1 25 /* Number of DWORDs to transfer */ 26 #define ADF_C4XXX_PORTD_CMD_LENDW 0x2 27 /* Extended header always used */ 28 #define ADF_C4XXX_PORTD_CMD_EH 0x1 29 /* Address length */ 30 #define ADF_C4XXX_PORTD_CMD_ALEN 0x0 31 /* Message opcode: Private Register Write Non-Posted or Posted Message*/ 32 #define ADF_C4XXX_MOPCODE 0x07 33 34 /* Compute port command based on port ID */ 35 #define ADF_C4XXX_GET_PORT_CMD(port_id) \ 36 ((((port_id)&0xFF) << 24) | (ADF_C4XXX_PORTD_CMD_BE << 16) | \ 37 (ADF_C4XXX_PORTD_CMD_NP << 15) | (ADF_C4XXX_PORTD_CMD_LENDW << 10) | \ 38 (ADF_C4XXX_PORTD_CMD_EH << 9) | (ADF_C4XXX_PORTD_CMD_ALEN << 8) | \ 39 (ADF_C4XXX_MOPCODE)) 40 41 /* Pending reset event/ack message over IOSF-SB */ 42 #define ADF_C4XXX_IOSFSB_RESET_EVENT BIT(0) 43 #define ADF_C4XXX_IOSFSB_RESET_ACK BIT(7) 44 45 /* Upon an FLR, the PCI_EXP_AERUCS register must be read and we must make sure 46 * that not other bit is set excepted the: 47 * - UR (Unsupported request) bit<20> 48 * - IEUNC (Uncorrectable Internal Error) bit <22> 49 */ 50 #define PCIE_C4XXX_VALID_ERR_MASK (~BIT(20) ^ BIT(22)) 51 52 /* Trigger: trigger an IOSF SB message */ 53 #define ADF_C4XXX_IOSFSB_TRIGGER BIT(0) 54 55 /* IOSF-SB status definitions */ 56 /* Response status bits<1:0> definitions 57 * 00 = Successful 58 * 01 = Unsuccessful 59 * 10 = Powered down 60 * 11 = Multicast 61 */ 62 #define ADF_C4XXX_IA2IOSFSB_STATUS_RTS (BIT(0) | BIT(1)) 63 #define ADF_C4XXX_IA2IOSFSB_STATUS_PEND BIT(6) 64 /* Allow 100ms polling interval */ 65 #define ADF_C4XXX_IA2IOSFSB_POLLING_INTERVAL 100 66 /* Allow a maximum of 500ms before timing out */ 67 #define ADF_C4XXX_IA2IOSFSB_POLLING_COUNT 5 68 69 /* Ethernet notification polling interval */ 70 #define ADF_C4XXX_MAX_ETH_ACK_ATTEMPT 100 71 #define ADF_C4XXX_ETH_ACK_POLLING_INTERVAL 10 72 73 void adf_c4xxx_dev_restore(struct adf_accel_dev *accel_dev); 74 void notify_and_wait_ethernet(struct adf_accel_dev *accel_dev); 75 #endif 76