| /* |
| * Copyright (c) 2015 Linaro Ltd. |
| * Copyright (c) 2015 Hisilicon Limited. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| */ |
| |
| #include "hisi_sas.h" |
| #define DRV_NAME "hisi_sas_v1_hw" |
| |
| /* global registers need init*/ |
| #define DLVRY_QUEUE_ENABLE 0x0 |
| #define IOST_BASE_ADDR_LO 0x8 |
| #define IOST_BASE_ADDR_HI 0xc |
| #define ITCT_BASE_ADDR_LO 0x10 |
| #define ITCT_BASE_ADDR_HI 0x14 |
| #define BROKEN_MSG_ADDR_LO 0x18 |
| #define BROKEN_MSG_ADDR_HI 0x1c |
| #define PHY_CONTEXT 0x20 |
| #define PHY_STATE 0x24 |
| #define PHY_PORT_NUM_MA 0x28 |
| #define PORT_STATE 0x2c |
| #define PHY_CONN_RATE 0x30 |
| #define HGC_TRANS_TASK_CNT_LIMIT 0x38 |
| #define AXI_AHB_CLK_CFG 0x3c |
| #define HGC_SAS_TXFAIL_RETRY_CTRL 0x84 |
| #define HGC_GET_ITV_TIME 0x90 |
| #define DEVICE_MSG_WORK_MODE 0x94 |
| #define I_T_NEXUS_LOSS_TIME 0xa0 |
| #define BUS_INACTIVE_LIMIT_TIME 0xa8 |
| #define REJECT_TO_OPEN_LIMIT_TIME 0xac |
| #define CFG_AGING_TIME 0xbc |
| #define CFG_AGING_TIME_ITCT_REL_OFF 0 |
| #define CFG_AGING_TIME_ITCT_REL_MSK (0x1 << CFG_AGING_TIME_ITCT_REL_OFF) |
| #define HGC_DFX_CFG2 0xc0 |
| #define FIS_LIST_BADDR_L 0xc4 |
| #define CFG_1US_TIMER_TRSH 0xcc |
| #define CFG_SAS_CONFIG 0xd4 |
| #define HGC_IOST_ECC_ADDR 0x140 |
| #define HGC_IOST_ECC_ADDR_BAD_OFF 16 |
| #define HGC_IOST_ECC_ADDR_BAD_MSK (0x3ff << HGC_IOST_ECC_ADDR_BAD_OFF) |
| #define HGC_DQ_ECC_ADDR 0x144 |
| #define HGC_DQ_ECC_ADDR_BAD_OFF 16 |
| #define HGC_DQ_ECC_ADDR_BAD_MSK (0xfff << HGC_DQ_ECC_ADDR_BAD_OFF) |
| #define HGC_INVLD_DQE_INFO 0x148 |
| #define HGC_INVLD_DQE_INFO_DQ_OFF 0 |
| #define HGC_INVLD_DQE_INFO_DQ_MSK (0xffff << HGC_INVLD_DQE_INFO_DQ_OFF) |
| #define HGC_INVLD_DQE_INFO_TYPE_OFF 16 |
| #define HGC_INVLD_DQE_INFO_TYPE_MSK (0x1 << HGC_INVLD_DQE_INFO_TYPE_OFF) |
| #define HGC_INVLD_DQE_INFO_FORCE_OFF 17 |
| #define HGC_INVLD_DQE_INFO_FORCE_MSK (0x1 << HGC_INVLD_DQE_INFO_FORCE_OFF) |
| #define HGC_INVLD_DQE_INFO_PHY_OFF 18 |
| #define HGC_INVLD_DQE_INFO_PHY_MSK (0x1 << HGC_INVLD_DQE_INFO_PHY_OFF) |
| #define HGC_INVLD_DQE_INFO_ABORT_OFF 19 |
| #define HGC_INVLD_DQE_INFO_ABORT_MSK (0x1 << HGC_INVLD_DQE_INFO_ABORT_OFF) |
| #define HGC_INVLD_DQE_INFO_IPTT_OF_OFF 20 |
| #define HGC_INVLD_DQE_INFO_IPTT_OF_MSK (0x1 << HGC_INVLD_DQE_INFO_IPTT_OF_OFF) |
| #define HGC_INVLD_DQE_INFO_SSP_ERR_OFF 21 |
| #define HGC_INVLD_DQE_INFO_SSP_ERR_MSK (0x1 << HGC_INVLD_DQE_INFO_SSP_ERR_OFF) |
| #define HGC_INVLD_DQE_INFO_OFL_OFF 22 |
| #define HGC_INVLD_DQE_INFO_OFL_MSK (0x1 << HGC_INVLD_DQE_INFO_OFL_OFF) |
| #define HGC_ITCT_ECC_ADDR 0x150 |
| #define HGC_ITCT_ECC_ADDR_BAD_OFF 16 |
| #define HGC_ITCT_ECC_ADDR_BAD_MSK (0x3ff << HGC_ITCT_ECC_ADDR_BAD_OFF) |
| #define HGC_AXI_FIFO_ERR_INFO 0x154 |
| #define INT_COAL_EN 0x1bc |
| #define OQ_INT_COAL_TIME 0x1c0 |
| #define OQ_INT_COAL_CNT 0x1c4 |
| #define ENT_INT_COAL_TIME 0x1c8 |
| #define ENT_INT_COAL_CNT 0x1cc |
| #define OQ_INT_SRC 0x1d0 |
| #define OQ_INT_SRC_MSK 0x1d4 |
| #define ENT_INT_SRC1 0x1d8 |
| #define ENT_INT_SRC2 0x1dc |
| #define ENT_INT_SRC2_DQ_CFG_ERR_OFF 25 |
| #define ENT_INT_SRC2_DQ_CFG_ERR_MSK (0x1 << ENT_INT_SRC2_DQ_CFG_ERR_OFF) |
| #define ENT_INT_SRC2_CQ_CFG_ERR_OFF 27 |
| #define ENT_INT_SRC2_CQ_CFG_ERR_MSK (0x1 << ENT_INT_SRC2_CQ_CFG_ERR_OFF) |
| #define ENT_INT_SRC2_AXI_WRONG_INT_OFF 28 |
| #define ENT_INT_SRC2_AXI_WRONG_INT_MSK (0x1 << ENT_INT_SRC2_AXI_WRONG_INT_OFF) |
| #define ENT_INT_SRC2_AXI_OVERLF_INT_OFF 29 |
| #define ENT_INT_SRC2_AXI_OVERLF_INT_MSK (0x1 << ENT_INT_SRC2_AXI_OVERLF_INT_OFF) |
| #define ENT_INT_SRC_MSK1 0x1e0 |
| #define ENT_INT_SRC_MSK2 0x1e4 |
| #define SAS_ECC_INTR 0x1e8 |
| #define SAS_ECC_INTR_DQ_ECC1B_OFF 0 |
| #define SAS_ECC_INTR_DQ_ECC1B_MSK (0x1 << SAS_ECC_INTR_DQ_ECC1B_OFF) |
| #define SAS_ECC_INTR_DQ_ECCBAD_OFF 1 |
| #define SAS_ECC_INTR_DQ_ECCBAD_MSK (0x1 << SAS_ECC_INTR_DQ_ECCBAD_OFF) |
| #define SAS_ECC_INTR_IOST_ECC1B_OFF 2 |
| #define SAS_ECC_INTR_IOST_ECC1B_MSK (0x1 << SAS_ECC_INTR_IOST_ECC1B_OFF) |
| #define SAS_ECC_INTR_IOST_ECCBAD_OFF 3 |
| #define SAS_ECC_INTR_IOST_ECCBAD_MSK (0x1 << SAS_ECC_INTR_IOST_ECCBAD_OFF) |
| #define SAS_ECC_INTR_ITCT_ECC1B_OFF 4 |
| #define SAS_ECC_INTR_ITCT_ECC1B_MSK (0x1 << SAS_ECC_INTR_ITCT_ECC1B_OFF) |
| #define SAS_ECC_INTR_ITCT_ECCBAD_OFF 5 |
| #define SAS_ECC_INTR_ITCT_ECCBAD_MSK (0x1 << SAS_ECC_INTR_ITCT_ECCBAD_OFF) |
| #define SAS_ECC_INTR_MSK 0x1ec |
| #define HGC_ERR_STAT_EN 0x238 |
| #define DLVRY_Q_0_BASE_ADDR_LO 0x260 |
| #define DLVRY_Q_0_BASE_ADDR_HI 0x264 |
| #define DLVRY_Q_0_DEPTH 0x268 |
| #define DLVRY_Q_0_WR_PTR 0x26c |
| #define DLVRY_Q_0_RD_PTR 0x270 |
| #define COMPL_Q_0_BASE_ADDR_LO 0x4e0 |
| #define COMPL_Q_0_BASE_ADDR_HI 0x4e4 |
| #define COMPL_Q_0_DEPTH 0x4e8 |
| #define COMPL_Q_0_WR_PTR 0x4ec |
| #define COMPL_Q_0_RD_PTR 0x4f0 |
| #define HGC_ECC_ERR 0x7d0 |
| |
| /* phy registers need init */ |
| #define PORT_BASE (0x800) |
| |
| #define PHY_CFG (PORT_BASE + 0x0) |
| #define PHY_CFG_ENA_OFF 0 |
| #define PHY_CFG_ENA_MSK (0x1 << PHY_CFG_ENA_OFF) |
| #define PHY_CFG_DC_OPT_OFF 2 |
| #define PHY_CFG_DC_OPT_MSK (0x1 << PHY_CFG_DC_OPT_OFF) |
| #define PROG_PHY_LINK_RATE (PORT_BASE + 0xc) |
| #define PROG_PHY_LINK_RATE_MAX_OFF 0 |
| #define PROG_PHY_LINK_RATE_MAX_MSK (0xf << PROG_PHY_LINK_RATE_MAX_OFF) |
| #define PROG_PHY_LINK_RATE_MIN_OFF 4 |
| #define PROG_PHY_LINK_RATE_MIN_MSK (0xf << PROG_PHY_LINK_RATE_MIN_OFF) |
| #define PROG_PHY_LINK_RATE_OOB_OFF 8 |
| #define PROG_PHY_LINK_RATE_OOB_MSK (0xf << PROG_PHY_LINK_RATE_OOB_OFF) |
| #define PHY_CTRL (PORT_BASE + 0x14) |
| #define PHY_CTRL_RESET_OFF 0 |
| #define PHY_CTRL_RESET_MSK (0x1 << PHY_CTRL_RESET_OFF) |
| #define PHY_RATE_NEGO (PORT_BASE + 0x30) |
| #define PHY_PCN (PORT_BASE + 0x44) |
| #define SL_TOUT_CFG (PORT_BASE + 0x8c) |
| #define SL_CONTROL (PORT_BASE + 0x94) |
| #define SL_CONTROL_NOTIFY_EN_OFF 0 |
| #define SL_CONTROL_NOTIFY_EN_MSK (0x1 << SL_CONTROL_NOTIFY_EN_OFF) |
| #define TX_ID_DWORD0 (PORT_BASE + 0x9c) |
| #define TX_ID_DWORD1 (PORT_BASE + 0xa0) |
| #define TX_ID_DWORD2 (PORT_BASE + 0xa4) |
| #define TX_ID_DWORD3 (PORT_BASE + 0xa8) |
| #define TX_ID_DWORD4 (PORT_BASE + 0xaC) |
| #define TX_ID_DWORD5 (PORT_BASE + 0xb0) |
| #define TX_ID_DWORD6 (PORT_BASE + 0xb4) |
| #define RX_IDAF_DWORD0 (PORT_BASE + 0xc4) |
| #define RX_IDAF_DWORD1 (PORT_BASE + 0xc8) |
| #define RX_IDAF_DWORD2 (PORT_BASE + 0xcc) |
| #define RX_IDAF_DWORD3 (PORT_BASE + 0xd0) |
| #define RX_IDAF_DWORD4 (PORT_BASE + 0xd4) |
| #define RX_IDAF_DWORD5 (PORT_BASE + 0xd8) |
| #define RX_IDAF_DWORD6 (PORT_BASE + 0xdc) |
| #define RXOP_CHECK_CFG_H (PORT_BASE + 0xfc) |
| #define DONE_RECEIVED_TIME (PORT_BASE + 0x12c) |
| #define CON_CFG_DRIVER (PORT_BASE + 0x130) |
| #define PHY_CONFIG2 (PORT_BASE + 0x1a8) |
| #define PHY_CONFIG2_FORCE_TXDEEMPH_OFF 3 |
| #define PHY_CONFIG2_FORCE_TXDEEMPH_MSK (0x1 << PHY_CONFIG2_FORCE_TXDEEMPH_OFF) |
| #define PHY_CONFIG2_TX_TRAIN_COMP_OFF 24 |
| #define PHY_CONFIG2_TX_TRAIN_COMP_MSK (0x1 << PHY_CONFIG2_TX_TRAIN_COMP_OFF) |
| #define CHL_INT0 (PORT_BASE + 0x1b0) |
| #define CHL_INT0_PHYCTRL_NOTRDY_OFF 0 |
| #define CHL_INT0_PHYCTRL_NOTRDY_MSK (0x1 << CHL_INT0_PHYCTRL_NOTRDY_OFF) |
| #define CHL_INT0_SN_FAIL_NGR_OFF 2 |
| #define CHL_INT0_SN_FAIL_NGR_MSK (0x1 << CHL_INT0_SN_FAIL_NGR_OFF) |
| #define CHL_INT0_DWS_LOST_OFF 4 |
| #define CHL_INT0_DWS_LOST_MSK (0x1 << CHL_INT0_DWS_LOST_OFF) |
| #define CHL_INT0_SL_IDAF_FAIL_OFF 10 |
| #define CHL_INT0_SL_IDAF_FAIL_MSK (0x1 << CHL_INT0_SL_IDAF_FAIL_OFF) |
| #define CHL_INT0_ID_TIMEOUT_OFF 11 |
| #define CHL_INT0_ID_TIMEOUT_MSK (0x1 << CHL_INT0_ID_TIMEOUT_OFF) |
| #define CHL_INT0_SL_OPAF_FAIL_OFF 12 |
| #define CHL_INT0_SL_OPAF_FAIL_MSK (0x1 << CHL_INT0_SL_OPAF_FAIL_OFF) |
| #define CHL_INT0_SL_PS_FAIL_OFF 21 |
| #define CHL_INT0_SL_PS_FAIL_MSK (0x1 << CHL_INT0_SL_PS_FAIL_OFF) |
| #define CHL_INT1 (PORT_BASE + 0x1b4) |
| #define CHL_INT2 (PORT_BASE + 0x1b8) |
| #define CHL_INT2_SL_RX_BC_ACK_OFF 2 |
| #define CHL_INT2_SL_RX_BC_ACK_MSK (0x1 << CHL_INT2_SL_RX_BC_ACK_OFF) |
| #define CHL_INT2_SL_PHY_ENA_OFF 6 |
| #define CHL_INT2_SL_PHY_ENA_MSK (0x1 << CHL_INT2_SL_PHY_ENA_OFF) |
| #define CHL_INT0_MSK (PORT_BASE + 0x1bc) |
| #define CHL_INT0_MSK_PHYCTRL_NOTRDY_OFF 0 |
| #define CHL_INT0_MSK_PHYCTRL_NOTRDY_MSK (0x1 << CHL_INT0_MSK_PHYCTRL_NOTRDY_OFF) |
| #define CHL_INT1_MSK (PORT_BASE + 0x1c0) |
| #define CHL_INT2_MSK (PORT_BASE + 0x1c4) |
| #define CHL_INT_COAL_EN (PORT_BASE + 0x1d0) |
| #define DMA_TX_STATUS (PORT_BASE + 0x2d0) |
| #define DMA_TX_STATUS_BUSY_OFF 0 |
| #define DMA_TX_STATUS_BUSY_MSK (0x1 << DMA_TX_STATUS_BUSY_OFF) |
| #define DMA_RX_STATUS (PORT_BASE + 0x2e8) |
| #define DMA_RX_STATUS_BUSY_OFF 0 |
| #define DMA_RX_STATUS_BUSY_MSK (0x1 << DMA_RX_STATUS_BUSY_OFF) |
| |
| #define AXI_CFG 0x5100 |
| #define RESET_VALUE 0x7ffff |
| |
| /* HW dma structures */ |
| /* Delivery queue header */ |
| /* dw0 */ |
| #define CMD_HDR_RESP_REPORT_OFF 5 |
| #define CMD_HDR_RESP_REPORT_MSK 0x20 |
| #define CMD_HDR_TLR_CTRL_OFF 6 |
| #define CMD_HDR_TLR_CTRL_MSK 0xc0 |
| #define CMD_HDR_PORT_OFF 17 |
| #define CMD_HDR_PORT_MSK 0xe0000 |
| #define CMD_HDR_PRIORITY_OFF 27 |
| #define CMD_HDR_PRIORITY_MSK 0x8000000 |
| #define CMD_HDR_MODE_OFF 28 |
| #define CMD_HDR_MODE_MSK 0x10000000 |
| #define CMD_HDR_CMD_OFF 29 |
| #define CMD_HDR_CMD_MSK 0xe0000000 |
| /* dw1 */ |
| #define CMD_HDR_VERIFY_DTL_OFF 10 |
| #define CMD_HDR_VERIFY_DTL_MSK 0x400 |
| #define CMD_HDR_SSP_FRAME_TYPE_OFF 13 |
| #define CMD_HDR_SSP_FRAME_TYPE_MSK 0xe000 |
| #define CMD_HDR_DEVICE_ID_OFF 16 |
| #define CMD_HDR_DEVICE_ID_MSK 0xffff0000 |
| /* dw2 */ |
| #define CMD_HDR_CFL_OFF 0 |
| #define CMD_HDR_CFL_MSK 0x1ff |
| #define CMD_HDR_MRFL_OFF 15 |
| #define CMD_HDR_MRFL_MSK 0xff8000 |
| #define CMD_HDR_FIRST_BURST_OFF 25 |
| #define CMD_HDR_FIRST_BURST_MSK 0x2000000 |
| /* dw3 */ |
| #define CMD_HDR_IPTT_OFF 0 |
| #define CMD_HDR_IPTT_MSK 0xffff |
| /* dw6 */ |
| #define CMD_HDR_DATA_SGL_LEN_OFF 16 |
| #define CMD_HDR_DATA_SGL_LEN_MSK 0xffff0000 |
| |
| /* Completion header */ |
| #define CMPLT_HDR_IPTT_OFF 0 |
| #define CMPLT_HDR_IPTT_MSK (0xffff << CMPLT_HDR_IPTT_OFF) |
| #define CMPLT_HDR_CMD_CMPLT_OFF 17 |
| #define CMPLT_HDR_CMD_CMPLT_MSK (0x1 << CMPLT_HDR_CMD_CMPLT_OFF) |
| #define CMPLT_HDR_ERR_RCRD_XFRD_OFF 18 |
| #define CMPLT_HDR_ERR_RCRD_XFRD_MSK (0x1 << CMPLT_HDR_ERR_RCRD_XFRD_OFF) |
| #define CMPLT_HDR_RSPNS_XFRD_OFF 19 |
| #define CMPLT_HDR_RSPNS_XFRD_MSK (0x1 << CMPLT_HDR_RSPNS_XFRD_OFF) |
| #define CMPLT_HDR_IO_CFG_ERR_OFF 27 |
| #define CMPLT_HDR_IO_CFG_ERR_MSK (0x1 << CMPLT_HDR_IO_CFG_ERR_OFF) |
| |
| /* ITCT header */ |
| /* qw0 */ |
| #define ITCT_HDR_DEV_TYPE_OFF 0 |
| #define ITCT_HDR_DEV_TYPE_MSK (0x3ULL << ITCT_HDR_DEV_TYPE_OFF) |
| #define ITCT_HDR_VALID_OFF 2 |
| #define ITCT_HDR_VALID_MSK (0x1ULL << ITCT_HDR_VALID_OFF) |
| #define ITCT_HDR_AWT_CONTROL_OFF 4 |
| #define ITCT_HDR_AWT_CONTROL_MSK (0x1ULL << ITCT_HDR_AWT_CONTROL_OFF) |
| #define ITCT_HDR_MAX_CONN_RATE_OFF 5 |
| #define ITCT_HDR_MAX_CONN_RATE_MSK (0xfULL << ITCT_HDR_MAX_CONN_RATE_OFF) |
| #define ITCT_HDR_VALID_LINK_NUM_OFF 9 |
| #define ITCT_HDR_VALID_LINK_NUM_MSK (0xfULL << ITCT_HDR_VALID_LINK_NUM_OFF) |
| #define ITCT_HDR_PORT_ID_OFF 13 |
| #define ITCT_HDR_PORT_ID_MSK (0x7ULL << ITCT_HDR_PORT_ID_OFF) |
| #define ITCT_HDR_SMP_TIMEOUT_OFF 16 |
| #define ITCT_HDR_SMP_TIMEOUT_MSK (0xffffULL << ITCT_HDR_SMP_TIMEOUT_OFF) |
| /* qw1 */ |
| #define ITCT_HDR_MAX_SAS_ADDR_OFF 0 |
| #define ITCT_HDR_MAX_SAS_ADDR_MSK (0xffffffffffffffff << \ |
| ITCT_HDR_MAX_SAS_ADDR_OFF) |
| /* qw2 */ |
| #define ITCT_HDR_IT_NEXUS_LOSS_TL_OFF 0 |
| #define ITCT_HDR_IT_NEXUS_LOSS_TL_MSK (0xffffULL << \ |
| ITCT_HDR_IT_NEXUS_LOSS_TL_OFF) |
| #define ITCT_HDR_BUS_INACTIVE_TL_OFF 16 |
| #define ITCT_HDR_BUS_INACTIVE_TL_MSK (0xffffULL << \ |
| ITCT_HDR_BUS_INACTIVE_TL_OFF) |
| #define ITCT_HDR_MAX_CONN_TL_OFF 32 |
| #define ITCT_HDR_MAX_CONN_TL_MSK (0xffffULL << \ |
| ITCT_HDR_MAX_CONN_TL_OFF) |
| #define ITCT_HDR_REJ_OPEN_TL_OFF 48 |
| #define ITCT_HDR_REJ_OPEN_TL_MSK (0xffffULL << \ |
| ITCT_HDR_REJ_OPEN_TL_OFF) |
| |
| /* Err record header */ |
| #define ERR_HDR_DMA_TX_ERR_TYPE_OFF 0 |
| #define ERR_HDR_DMA_TX_ERR_TYPE_MSK (0xffff << ERR_HDR_DMA_TX_ERR_TYPE_OFF) |
| #define ERR_HDR_DMA_RX_ERR_TYPE_OFF 16 |
| #define ERR_HDR_DMA_RX_ERR_TYPE_MSK (0xffff << ERR_HDR_DMA_RX_ERR_TYPE_OFF) |
| |
| struct hisi_sas_complete_v1_hdr { |
| __le32 data; |
| }; |
| |
| struct hisi_sas_err_record_v1 { |
| /* dw0 */ |
| __le32 dma_err_type; |
| |
| /* dw1 */ |
| __le32 trans_tx_fail_type; |
| |
| /* dw2 */ |
| __le32 trans_rx_fail_type; |
| |
| /* dw3 */ |
| u32 rsvd; |
| }; |
| |
| enum { |
| HISI_SAS_PHY_BCAST_ACK = 0, |
| HISI_SAS_PHY_SL_PHY_ENABLED, |
| HISI_SAS_PHY_INT_ABNORMAL, |
| HISI_SAS_PHY_INT_NR |
| }; |
| |
| enum { |
| DMA_TX_ERR_BASE = 0x0, |
| DMA_RX_ERR_BASE = 0x100, |
| TRANS_TX_FAIL_BASE = 0x200, |
| TRANS_RX_FAIL_BASE = 0x300, |
| |
| /* dma tx */ |
| DMA_TX_DIF_CRC_ERR = DMA_TX_ERR_BASE, /* 0x0 */ |
| DMA_TX_DIF_APP_ERR, /* 0x1 */ |
| DMA_TX_DIF_RPP_ERR, /* 0x2 */ |
| DMA_TX_AXI_BUS_ERR, /* 0x3 */ |
| DMA_TX_DATA_SGL_OVERFLOW_ERR, /* 0x4 */ |
| DMA_TX_DIF_SGL_OVERFLOW_ERR, /* 0x5 */ |
| DMA_TX_UNEXP_XFER_RDY_ERR, /* 0x6 */ |
| DMA_TX_XFER_RDY_OFFSET_ERR, /* 0x7 */ |
| DMA_TX_DATA_UNDERFLOW_ERR, /* 0x8 */ |
| DMA_TX_XFER_RDY_LENGTH_OVERFLOW_ERR, /* 0x9 */ |
| |
| /* dma rx */ |
| DMA_RX_BUFFER_ECC_ERR = DMA_RX_ERR_BASE, /* 0x100 */ |
| DMA_RX_DIF_CRC_ERR, /* 0x101 */ |
| DMA_RX_DIF_APP_ERR, /* 0x102 */ |
| DMA_RX_DIF_RPP_ERR, /* 0x103 */ |
| DMA_RX_RESP_BUFFER_OVERFLOW_ERR, /* 0x104 */ |
| DMA_RX_AXI_BUS_ERR, /* 0x105 */ |
| DMA_RX_DATA_SGL_OVERFLOW_ERR, /* 0x106 */ |
| DMA_RX_DIF_SGL_OVERFLOW_ERR, /* 0x107 */ |
| DMA_RX_DATA_OFFSET_ERR, /* 0x108 */ |
| DMA_RX_UNEXP_RX_DATA_ERR, /* 0x109 */ |
| DMA_RX_DATA_OVERFLOW_ERR, /* 0x10a */ |
| DMA_RX_DATA_UNDERFLOW_ERR, /* 0x10b */ |
| DMA_RX_UNEXP_RETRANS_RESP_ERR, /* 0x10c */ |
| |
| /* trans tx */ |
| TRANS_TX_RSVD0_ERR = TRANS_TX_FAIL_BASE, /* 0x200 */ |
| TRANS_TX_PHY_NOT_ENABLE_ERR, /* 0x201 */ |
| TRANS_TX_OPEN_REJCT_WRONG_DEST_ERR, /* 0x202 */ |
| TRANS_TX_OPEN_REJCT_ZONE_VIOLATION_ERR, /* 0x203 */ |
| TRANS_TX_OPEN_REJCT_BY_OTHER_ERR, /* 0x204 */ |
| TRANS_TX_RSVD1_ERR, /* 0x205 */ |
| TRANS_TX_OPEN_REJCT_AIP_TIMEOUT_ERR, /* 0x206 */ |
| TRANS_TX_OPEN_REJCT_STP_BUSY_ERR, /* 0x207 */ |
| TRANS_TX_OPEN_REJCT_PROTOCOL_NOT_SUPPORT_ERR, /* 0x208 */ |
| TRANS_TX_OPEN_REJCT_RATE_NOT_SUPPORT_ERR, /* 0x209 */ |
| TRANS_TX_OPEN_REJCT_BAD_DEST_ERR, /* 0x20a */ |
| TRANS_TX_OPEN_BREAK_RECEIVE_ERR, /* 0x20b */ |
| TRANS_TX_LOW_PHY_POWER_ERR, /* 0x20c */ |
| TRANS_TX_OPEN_REJCT_PATHWAY_BLOCKED_ERR, /* 0x20d */ |
| TRANS_TX_OPEN_TIMEOUT_ERR, /* 0x20e */ |
| TRANS_TX_OPEN_REJCT_NO_DEST_ERR, /* 0x20f */ |
| TRANS_TX_OPEN_RETRY_ERR, /* 0x210 */ |
| TRANS_TX_RSVD2_ERR, /* 0x211 */ |
| TRANS_TX_BREAK_TIMEOUT_ERR, /* 0x212 */ |
| TRANS_TX_BREAK_REQUEST_ERR, /* 0x213 */ |
| TRANS_TX_BREAK_RECEIVE_ERR, /* 0x214 */ |
| TRANS_TX_CLOSE_TIMEOUT_ERR, /* 0x215 */ |
| TRANS_TX_CLOSE_NORMAL_ERR, /* 0x216 */ |
| TRANS_TX_CLOSE_PHYRESET_ERR, /* 0x217 */ |
| TRANS_TX_WITH_CLOSE_DWS_TIMEOUT_ERR, /* 0x218 */ |
| TRANS_TX_WITH_CLOSE_COMINIT_ERR, /* 0x219 */ |
| TRANS_TX_NAK_RECEIVE_ERR, /* 0x21a */ |
| TRANS_TX_ACK_NAK_TIMEOUT_ERR, /* 0x21b */ |
| TRANS_TX_CREDIT_TIMEOUT_ERR, /* 0x21c */ |
| TRANS_TX_IPTT_CONFLICT_ERR, /* 0x21d */ |
| TRANS_TX_TXFRM_TYPE_ERR, /* 0x21e */ |
| TRANS_TX_TXSMP_LENGTH_ERR, /* 0x21f */ |
| |
| /* trans rx */ |
| TRANS_RX_FRAME_CRC_ERR = TRANS_RX_FAIL_BASE, /* 0x300 */ |
| TRANS_RX_FRAME_DONE_ERR, /* 0x301 */ |
| TRANS_RX_FRAME_ERRPRM_ERR, /* 0x302 */ |
| TRANS_RX_FRAME_NO_CREDIT_ERR, /* 0x303 */ |
| TRANS_RX_RSVD0_ERR, /* 0x304 */ |
| TRANS_RX_FRAME_OVERRUN_ERR, /* 0x305 */ |
| TRANS_RX_FRAME_NO_EOF_ERR, /* 0x306 */ |
| TRANS_RX_LINK_BUF_OVERRUN_ERR, /* 0x307 */ |
| TRANS_RX_BREAK_TIMEOUT_ERR, /* 0x308 */ |
| TRANS_RX_BREAK_REQUEST_ERR, /* 0x309 */ |
| TRANS_RX_BREAK_RECEIVE_ERR, /* 0x30a */ |
| TRANS_RX_CLOSE_TIMEOUT_ERR, /* 0x30b */ |
| TRANS_RX_CLOSE_NORMAL_ERR, /* 0x30c */ |
| TRANS_RX_CLOSE_PHYRESET_ERR, /* 0x30d */ |
| TRANS_RX_WITH_CLOSE_DWS_TIMEOUT_ERR, /* 0x30e */ |
| TRANS_RX_WITH_CLOSE_COMINIT_ERR, /* 0x30f */ |
| TRANS_RX_DATA_LENGTH0_ERR, /* 0x310 */ |
| TRANS_RX_BAD_HASH_ERR, /* 0x311 */ |
| TRANS_RX_XRDY_ZERO_ERR, /* 0x312 */ |
| TRANS_RX_SSP_FRAME_LEN_ERR, /* 0x313 */ |
| TRANS_RX_TRANS_RX_RSVD1_ERR, /* 0x314 */ |
| TRANS_RX_NO_BALANCE_ERR, /* 0x315 */ |
| TRANS_RX_TRANS_RX_RSVD2_ERR, /* 0x316 */ |
| TRANS_RX_TRANS_RX_RSVD3_ERR, /* 0x317 */ |
| TRANS_RX_BAD_FRAME_TYPE_ERR, /* 0x318 */ |
| TRANS_RX_SMP_FRAME_LEN_ERR, /* 0x319 */ |
| TRANS_RX_SMP_RESP_TIMEOUT_ERR, /* 0x31a */ |
| }; |
| |
| #define HISI_SAS_COMMAND_ENTRIES_V1_HW 8192 |
| |
| #define HISI_SAS_PHY_MAX_INT_NR (HISI_SAS_PHY_INT_NR * HISI_SAS_MAX_PHYS) |
| #define HISI_SAS_CQ_MAX_INT_NR (HISI_SAS_MAX_QUEUES) |
| #define HISI_SAS_FATAL_INT_NR (2) |
| |
| #define HISI_SAS_MAX_INT_NR \ |
| (HISI_SAS_PHY_MAX_INT_NR + HISI_SAS_CQ_MAX_INT_NR +\ |
| HISI_SAS_FATAL_INT_NR) |
| |
| static u32 hisi_sas_read32(struct hisi_hba *hisi_hba, u32 off) |
| { |
| void __iomem *regs = hisi_hba->regs + off; |
| |
| return readl(regs); |
| } |
| |
| static u32 hisi_sas_read32_relaxed(struct hisi_hba *hisi_hba, u32 off) |
| { |
| void __iomem *regs = hisi_hba->regs + off; |
| |
| return readl_relaxed(regs); |
| } |
| |
| static void hisi_sas_write32(struct hisi_hba *hisi_hba, |
| u32 off, u32 val) |
| { |
| void __iomem *regs = hisi_hba->regs + off; |
| |
| writel(val, regs); |
| } |
| |
| static void hisi_sas_phy_write32(struct hisi_hba *hisi_hba, |
| int phy_no, u32 off, u32 val) |
| { |
| void __iomem *regs = hisi_hba->regs + (0x400 * phy_no) + off; |
| |
| writel(val, regs); |
| } |
| |
| static u32 hisi_sas_phy_read32(struct hisi_hba *hisi_hba, |
| int phy_no, u32 off) |
| { |
| void __iomem *regs = hisi_hba->regs + (0x400 * phy_no) + off; |
| |
| return readl(regs); |
| } |
| |
| static void config_phy_opt_mode_v1_hw(struct hisi_hba *hisi_hba, int phy_no) |
| { |
| u32 cfg = hisi_sas_phy_read32(hisi_hba, phy_no, PHY_CFG); |
| |
| cfg &= ~PHY_CFG_DC_OPT_MSK; |
| cfg |= 1 << PHY_CFG_DC_OPT_OFF; |
| hisi_sas_phy_write32(hisi_hba, phy_no, PHY_CFG, cfg); |
| } |
| |
| static void config_tx_tfe_autoneg_v1_hw(struct hisi_hba *hisi_hba, int phy_no) |
| { |
| u32 cfg = hisi_sas_phy_read32(hisi_hba, phy_no, PHY_CONFIG2); |
| |
| cfg &= ~PHY_CONFIG2_FORCE_TXDEEMPH_MSK; |
| hisi_sas_phy_write32(hisi_hba, phy_no, PHY_CONFIG2, cfg); |
| } |
| |
| static void config_id_frame_v1_hw(struct hisi_hba *hisi_hba, int phy_no) |
| { |
| struct sas_identify_frame identify_frame; |
| u32 *identify_buffer; |
| |
| memset(&identify_frame, 0, sizeof(identify_frame)); |
| identify_frame.dev_type = SAS_END_DEVICE; |
| identify_frame.frame_type = 0; |
| identify_frame._un1 = 1; |
| identify_frame.initiator_bits = SAS_PROTOCOL_ALL; |
| identify_frame.target_bits = SAS_PROTOCOL_NONE; |
| memcpy(&identify_frame._un4_11[0], hisi_hba->sas_addr, SAS_ADDR_SIZE); |
| memcpy(&identify_frame.sas_addr[0], hisi_hba->sas_addr, SAS_ADDR_SIZE); |
| identify_frame.phy_id = phy_no; |
| identify_buffer = (u32 *)(&identify_frame); |
| |
| hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD0, |
| __swab32(identify_buffer[0])); |
| hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD1, |
| __swab32(identify_buffer[1])); |
| hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD2, |
| __swab32(identify_buffer[2])); |
| hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD3, |
| __swab32(identify_buffer[3])); |
| hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD4, |
| __swab32(identify_buffer[4])); |
| hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD5, |
| __swab32(identify_buffer[5])); |
| } |
| |
| static void setup_itct_v1_hw(struct hisi_hba *hisi_hba, |
| struct hisi_sas_device *sas_dev) |
| { |
| struct domain_device *device = sas_dev->sas_device; |
| struct device *dev = &hisi_hba->pdev->dev; |
| u64 qw0, device_id = sas_dev->device_id; |
| struct hisi_sas_itct *itct = &hisi_hba->itct[device_id]; |
| |
| memset(itct, 0, sizeof(*itct)); |
| |
| /* qw0 */ |
| qw0 = 0; |
| switch (sas_dev->dev_type) { |
| case SAS_END_DEVICE: |
| case SAS_EDGE_EXPANDER_DEVICE: |
| case SAS_FANOUT_EXPANDER_DEVICE: |
| qw0 = HISI_SAS_DEV_TYPE_SSP << ITCT_HDR_DEV_TYPE_OFF; |
| break; |
| default: |
| dev_warn(dev, "setup itct: unsupported dev type (%d)\n", |
| sas_dev->dev_type); |
| } |
| |
| qw0 |= ((1 << ITCT_HDR_VALID_OFF) | |
| (1 << ITCT_HDR_AWT_CONTROL_OFF) | |
| (device->max_linkrate << ITCT_HDR_MAX_CONN_RATE_OFF) | |
| (1 << ITCT_HDR_VALID_LINK_NUM_OFF) | |
| (device->port->id << ITCT_HDR_PORT_ID_OFF)); |
| itct->qw0 = cpu_to_le64(qw0); |
| |
| /* qw1 */ |
| memcpy(&itct->sas_addr, device->sas_addr, SAS_ADDR_SIZE); |
| itct->sas_addr = __swab64(itct->sas_addr); |
| |
| /* qw2 */ |
| itct->qw2 = cpu_to_le64((500ULL << ITCT_HDR_IT_NEXUS_LOSS_TL_OFF) | |
| (0xff00ULL << ITCT_HDR_BUS_INACTIVE_TL_OFF) | |
| (0xff00ULL << ITCT_HDR_MAX_CONN_TL_OFF) | |
| (0xff00ULL << ITCT_HDR_REJ_OPEN_TL_OFF)); |
| } |
| |
| static void free_device_v1_hw(struct hisi_hba *hisi_hba, |
| struct hisi_sas_device *sas_dev) |
| { |
| u64 dev_id = sas_dev->device_id; |
| struct hisi_sas_itct *itct = &hisi_hba->itct[dev_id]; |
| u64 qw0; |
| u32 reg_val = hisi_sas_read32(hisi_hba, CFG_AGING_TIME); |
| |
| reg_val |= CFG_AGING_TIME_ITCT_REL_MSK; |
| hisi_sas_write32(hisi_hba, CFG_AGING_TIME, reg_val); |
| |
| /* free itct */ |
| udelay(1); |
| reg_val = hisi_sas_read32(hisi_hba, CFG_AGING_TIME); |
| reg_val &= ~CFG_AGING_TIME_ITCT_REL_MSK; |
| hisi_sas_write32(hisi_hba, CFG_AGING_TIME, reg_val); |
| |
| qw0 = cpu_to_le64(itct->qw0); |
| qw0 &= ~ITCT_HDR_VALID_MSK; |
| itct->qw0 = cpu_to_le64(qw0); |
| } |
| |
| static int reset_hw_v1_hw(struct hisi_hba *hisi_hba) |
| { |
| int i; |
| unsigned long end_time; |
| u32 val; |
| struct device *dev = &hisi_hba->pdev->dev; |
| |
| for (i = 0; i < hisi_hba->n_phy; i++) { |
| u32 phy_ctrl = hisi_sas_phy_read32(hisi_hba, i, PHY_CTRL); |
| |
| phy_ctrl |= PHY_CTRL_RESET_MSK; |
| hisi_sas_phy_write32(hisi_hba, i, PHY_CTRL, phy_ctrl); |
| } |
| msleep(1); /* It is safe to wait for 50us */ |
| |
| /* Ensure DMA tx & rx idle */ |
| for (i = 0; i < hisi_hba->n_phy; i++) { |
| u32 dma_tx_status, dma_rx_status; |
| |
| end_time = jiffies + msecs_to_jiffies(1000); |
| |
| while (1) { |
| dma_tx_status = hisi_sas_phy_read32(hisi_hba, i, |
| DMA_TX_STATUS); |
| dma_rx_status = hisi_sas_phy_read32(hisi_hba, i, |
| DMA_RX_STATUS); |
| |
| if (!(dma_tx_status & DMA_TX_STATUS_BUSY_MSK) && |
| !(dma_rx_status & DMA_RX_STATUS_BUSY_MSK)) |
| break; |
| |
| msleep(20); |
| if (time_after(jiffies, end_time)) |
| return -EIO; |
| } |
| } |
| |
| /* Ensure axi bus idle */ |
| end_time = jiffies + msecs_to_jiffies(1000); |
| while (1) { |
| u32 axi_status = |
| hisi_sas_read32(hisi_hba, AXI_CFG); |
| |
| if (axi_status == 0) |
| break; |
| |
| msleep(20); |
| if (time_after(jiffies, end_time)) |
| return -EIO; |
| } |
| |
| if (ACPI_HANDLE(dev)) { |
| acpi_status s; |
| |
| s = acpi_evaluate_object(ACPI_HANDLE(dev), "_RST", NULL, NULL); |
| if (ACPI_FAILURE(s)) { |
| dev_err(dev, "Reset failed\n"); |
| return -EIO; |
| } |
| } else if (hisi_hba->ctrl) { |
| /* Apply reset and disable clock */ |
| /* clk disable reg is offset by +4 bytes from clk enable reg */ |
| regmap_write(hisi_hba->ctrl, hisi_hba->ctrl_reset_reg, |
| RESET_VALUE); |
| regmap_write(hisi_hba->ctrl, hisi_hba->ctrl_clock_ena_reg + 4, |
| RESET_VALUE); |
| msleep(1); |
| regmap_read(hisi_hba->ctrl, hisi_hba->ctrl_reset_sts_reg, &val); |
| if (RESET_VALUE != (val & RESET_VALUE)) { |
| dev_err(dev, "Reset failed\n"); |
| return -EIO; |
| } |
| |
| /* De-reset and enable clock */ |
| /* deassert rst reg is offset by +4 bytes from assert reg */ |
| regmap_write(hisi_hba->ctrl, hisi_hba->ctrl_reset_reg + 4, |
| RESET_VALUE); |
| regmap_write(hisi_hba->ctrl, hisi_hba->ctrl_clock_ena_reg, |
| RESET_VALUE); |
| msleep(1); |
| regmap_read(hisi_hba->ctrl, hisi_hba->ctrl_reset_sts_reg, &val); |
| if (val & RESET_VALUE) { |
| dev_err(dev, "De-reset failed\n"); |
| return -EIO; |
| } |
| } else |
| dev_warn(dev, "no reset method\n"); |
| |
| return 0; |
| } |
| |
| static void init_reg_v1_hw(struct hisi_hba *hisi_hba) |
| { |
| int i; |
| |
| /* Global registers init*/ |
| hisi_sas_write32(hisi_hba, DLVRY_QUEUE_ENABLE, |
| (u32)((1ULL << hisi_hba->queue_count) - 1)); |
| hisi_sas_write32(hisi_hba, HGC_TRANS_TASK_CNT_LIMIT, 0x11); |
| hisi_sas_write32(hisi_hba, DEVICE_MSG_WORK_MODE, 0x1); |
| hisi_sas_write32(hisi_hba, HGC_SAS_TXFAIL_RETRY_CTRL, 0x1ff); |
| hisi_sas_write32(hisi_hba, HGC_ERR_STAT_EN, 0x401); |
| hisi_sas_write32(hisi_hba, CFG_1US_TIMER_TRSH, 0x64); |
| hisi_sas_write32(hisi_hba, HGC_GET_ITV_TIME, 0x1); |
| hisi_sas_write32(hisi_hba, I_T_NEXUS_LOSS_TIME, 0x64); |
| hisi_sas_write32(hisi_hba, BUS_INACTIVE_LIMIT_TIME, 0x2710); |
| hisi_sas_write32(hisi_hba, REJECT_TO_OPEN_LIMIT_TIME, 0x1); |
| hisi_sas_write32(hisi_hba, CFG_AGING_TIME, 0x7a12); |
| hisi_sas_write32(hisi_hba, HGC_DFX_CFG2, 0x9c40); |
| hisi_sas_write32(hisi_hba, FIS_LIST_BADDR_L, 0x2); |
| hisi_sas_write32(hisi_hba, INT_COAL_EN, 0xc); |
| hisi_sas_write32(hisi_hba, OQ_INT_COAL_TIME, 0x186a0); |
| hisi_sas_write32(hisi_hba, OQ_INT_COAL_CNT, 1); |
| hisi_sas_write32(hisi_hba, ENT_INT_COAL_TIME, 0x1); |
| hisi_sas_write32(hisi_hba, ENT_INT_COAL_CNT, 0x1); |
| hisi_sas_write32(hisi_hba, OQ_INT_SRC, 0xffffffff); |
| hisi_sas_write32(hisi_hba, OQ_INT_SRC_MSK, 0); |
| hisi_sas_write32(hisi_hba, ENT_INT_SRC1, 0xffffffff); |
| hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK1, 0); |
| hisi_sas_write32(hisi_hba, ENT_INT_SRC2, 0xffffffff); |
| hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK2, 0); |
| hisi_sas_write32(hisi_hba, SAS_ECC_INTR_MSK, 0); |
| hisi_sas_write32(hisi_hba, AXI_AHB_CLK_CFG, 0x2); |
| hisi_sas_write32(hisi_hba, CFG_SAS_CONFIG, 0x22000000); |
| |
| for (i = 0; i < hisi_hba->n_phy; i++) { |
| hisi_sas_phy_write32(hisi_hba, i, PROG_PHY_LINK_RATE, 0x88a); |
| hisi_sas_phy_write32(hisi_hba, i, PHY_CONFIG2, 0x7c080); |
| hisi_sas_phy_write32(hisi_hba, i, PHY_RATE_NEGO, 0x415ee00); |
| hisi_sas_phy_write32(hisi_hba, i, PHY_PCN, 0x80a80000); |
| hisi_sas_phy_write32(hisi_hba, i, SL_TOUT_CFG, 0x7d7d7d7d); |
| hisi_sas_phy_write32(hisi_hba, i, DONE_RECEIVED_TIME, 0x0); |
| hisi_sas_phy_write32(hisi_hba, i, RXOP_CHECK_CFG_H, 0x1000); |
| hisi_sas_phy_write32(hisi_hba, i, DONE_RECEIVED_TIME, 0); |
| hisi_sas_phy_write32(hisi_hba, i, CON_CFG_DRIVER, 0x13f0a); |
| hisi_sas_phy_write32(hisi_hba, i, CHL_INT_COAL_EN, 3); |
| hisi_sas_phy_write32(hisi_hba, i, DONE_RECEIVED_TIME, 8); |
| } |
| |
| for (i = 0; i < hisi_hba->queue_count; i++) { |
| /* Delivery queue */ |
| hisi_sas_write32(hisi_hba, |
| DLVRY_Q_0_BASE_ADDR_HI + (i * 0x14), |
| upper_32_bits(hisi_hba->cmd_hdr_dma[i])); |
| |
| hisi_sas_write32(hisi_hba, |
| DLVRY_Q_0_BASE_ADDR_LO + (i * 0x14), |
| lower_32_bits(hisi_hba->cmd_hdr_dma[i])); |
| |
| hisi_sas_write32(hisi_hba, |
| DLVRY_Q_0_DEPTH + (i * 0x14), |
| HISI_SAS_QUEUE_SLOTS); |
| |
| /* Completion queue */ |
| hisi_sas_write32(hisi_hba, |
| COMPL_Q_0_BASE_ADDR_HI + (i * 0x14), |
| upper_32_bits(hisi_hba->complete_hdr_dma[i])); |
| |
| hisi_sas_write32(hisi_hba, |
| COMPL_Q_0_BASE_ADDR_LO + (i * 0x14), |
| lower_32_bits(hisi_hba->complete_hdr_dma[i])); |
| |
| hisi_sas_write32(hisi_hba, COMPL_Q_0_DEPTH + (i * 0x14), |
| HISI_SAS_QUEUE_SLOTS); |
| } |
| |
| /* itct */ |
| hisi_sas_write32(hisi_hba, ITCT_BASE_ADDR_LO, |
| lower_32_bits(hisi_hba->itct_dma)); |
| |
| hisi_sas_write32(hisi_hba, ITCT_BASE_ADDR_HI, |
| upper_32_bits(hisi_hba->itct_dma)); |
| |
| /* iost */ |
| hisi_sas_write32(hisi_hba, IOST_BASE_ADDR_LO, |
| lower_32_bits(hisi_hba->iost_dma)); |
| |
| hisi_sas_write32(hisi_hba, IOST_BASE_ADDR_HI, |
| upper_32_bits(hisi_hba->iost_dma)); |
| |
| /* breakpoint */ |
| hisi_sas_write32(hisi_hba, BROKEN_MSG_ADDR_LO, |
| lower_32_bits(hisi_hba->breakpoint_dma)); |
| |
| hisi_sas_write32(hisi_hba, BROKEN_MSG_ADDR_HI, |
| upper_32_bits(hisi_hba->breakpoint_dma)); |
| } |
| |
| static int hw_init_v1_hw(struct hisi_hba *hisi_hba) |
| { |
| struct device *dev = &hisi_hba->pdev->dev; |
| int rc; |
| |
| rc = reset_hw_v1_hw(hisi_hba); |
| if (rc) { |
| dev_err(dev, "hisi_sas_reset_hw failed, rc=%d", rc); |
| return rc; |
| } |
| |
| msleep(100); |
| init_reg_v1_hw(hisi_hba); |
| |
| return 0; |
| } |
| |
| static void enable_phy_v1_hw(struct hisi_hba *hisi_hba, int phy_no) |
| { |
| u32 cfg = hisi_sas_phy_read32(hisi_hba, phy_no, PHY_CFG); |
| |
| cfg |= PHY_CFG_ENA_MSK; |
| hisi_sas_phy_write32(hisi_hba, phy_no, PHY_CFG, cfg); |
| } |
| |
| static void disable_phy_v1_hw(struct hisi_hba *hisi_hba, int phy_no) |
| { |
| u32 cfg = hisi_sas_phy_read32(hisi_hba, phy_no, PHY_CFG); |
| |
| cfg &= ~PHY_CFG_ENA_MSK; |
| hisi_sas_phy_write32(hisi_hba, phy_no, PHY_CFG, cfg); |
| } |
| |
| static void start_phy_v1_hw(struct hisi_hba *hisi_hba, int phy_no) |
| { |
| config_id_frame_v1_hw(hisi_hba, phy_no); |
| config_phy_opt_mode_v1_hw(hisi_hba, phy_no); |
| config_tx_tfe_autoneg_v1_hw(hisi_hba, phy_no); |
| enable_phy_v1_hw(hisi_hba, phy_no); |
| } |
| |
| static void stop_phy_v1_hw(struct hisi_hba *hisi_hba, int phy_no) |
| { |
| disable_phy_v1_hw(hisi_hba, phy_no); |
| } |
| |
| static void phy_hard_reset_v1_hw(struct hisi_hba *hisi_hba, int phy_no) |
| { |
| stop_phy_v1_hw(hisi_hba, phy_no); |
| msleep(100); |
| start_phy_v1_hw(hisi_hba, phy_no); |
| } |
| |
| static void start_phys_v1_hw(unsigned long data) |
| { |
| struct hisi_hba *hisi_hba = (struct hisi_hba *)data; |
| int i; |
| |
| for (i = 0; i < hisi_hba->n_phy; i++) { |
| hisi_sas_phy_write32(hisi_hba, i, CHL_INT2_MSK, 0x12a); |
| start_phy_v1_hw(hisi_hba, i); |
| } |
| } |
| |
| static void phys_init_v1_hw(struct hisi_hba *hisi_hba) |
| { |
| int i; |
| struct timer_list *timer = &hisi_hba->timer; |
| |
| for (i = 0; i < hisi_hba->n_phy; i++) { |
| hisi_sas_phy_write32(hisi_hba, i, CHL_INT2_MSK, 0x6a); |
| hisi_sas_phy_read32(hisi_hba, i, CHL_INT2_MSK); |
| } |
| |
| setup_timer(timer, start_phys_v1_hw, (unsigned long)hisi_hba); |
| mod_timer(timer, jiffies + HZ); |
| } |
| |
| static void sl_notify_v1_hw(struct hisi_hba *hisi_hba, int phy_no) |
| { |
| u32 sl_control; |
| |
| sl_control = hisi_sas_phy_read32(hisi_hba, phy_no, SL_CONTROL); |
| sl_control |= SL_CONTROL_NOTIFY_EN_MSK; |
| hisi_sas_phy_write32(hisi_hba, phy_no, SL_CONTROL, sl_control); |
| msleep(1); |
| sl_control = hisi_sas_phy_read32(hisi_hba, phy_no, SL_CONTROL); |
| sl_control &= ~SL_CONTROL_NOTIFY_EN_MSK; |
| hisi_sas_phy_write32(hisi_hba, phy_no, SL_CONTROL, sl_control); |
| } |
| |
| static int get_wideport_bitmap_v1_hw(struct hisi_hba *hisi_hba, int port_id) |
| { |
| int i, bitmap = 0; |
| u32 phy_port_num_ma = hisi_sas_read32(hisi_hba, PHY_PORT_NUM_MA); |
| |
| for (i = 0; i < hisi_hba->n_phy; i++) |
| if (((phy_port_num_ma >> (i * 4)) & 0xf) == port_id) |
| bitmap |= 1 << i; |
| |
| return bitmap; |
| } |
| |
| /** |
| * This function allocates across all queues to load balance. |
| * Slots are allocated from queues in a round-robin fashion. |
| * |
| * The callpath to this function and upto writing the write |
| * queue pointer should be safe from interruption. |
| */ |
| static int get_free_slot_v1_hw(struct hisi_hba *hisi_hba, int *q, int *s) |
| { |
| struct device *dev = &hisi_hba->pdev->dev; |
| struct hisi_sas_dq *dq; |
| u32 r, w; |
| int queue = hisi_hba->queue; |
| |
| while (1) { |
| dq = &hisi_hba->dq[queue]; |
| w = dq->wr_point; |
| r = hisi_sas_read32_relaxed(hisi_hba, |
| DLVRY_Q_0_RD_PTR + (queue * 0x14)); |
| if (r == (w+1) % HISI_SAS_QUEUE_SLOTS) { |
| queue = (queue + 1) % hisi_hba->queue_count; |
| if (queue == hisi_hba->queue) { |
| dev_warn(dev, "could not find free slot\n"); |
| return -EAGAIN; |
| } |
| continue; |
| } |
| break; |
| } |
| hisi_hba->queue = (queue + 1) % hisi_hba->queue_count; |
| *q = queue; |
| *s = w; |
| return 0; |
| } |
| |
| static void start_delivery_v1_hw(struct hisi_hba *hisi_hba) |
| { |
| int dlvry_queue = hisi_hba->slot_prep->dlvry_queue; |
| int dlvry_queue_slot = hisi_hba->slot_prep->dlvry_queue_slot; |
| struct hisi_sas_dq *dq = &hisi_hba->dq[dlvry_queue]; |
| |
| dq->wr_point = ++dlvry_queue_slot % HISI_SAS_QUEUE_SLOTS; |
| hisi_sas_write32(hisi_hba, DLVRY_Q_0_WR_PTR + (dlvry_queue * 0x14), |
| dq->wr_point); |
| } |
| |
| static int prep_prd_sge_v1_hw(struct hisi_hba *hisi_hba, |
| struct hisi_sas_slot *slot, |
| struct hisi_sas_cmd_hdr *hdr, |
| struct scatterlist *scatter, |
| int n_elem) |
| { |
| struct device *dev = &hisi_hba->pdev->dev; |
| struct scatterlist *sg; |
| int i; |
| |
| if (n_elem > HISI_SAS_SGE_PAGE_CNT) { |
| dev_err(dev, "prd err: n_elem(%d) > HISI_SAS_SGE_PAGE_CNT", |
| n_elem); |
| return -EINVAL; |
| } |
| |
| slot->sge_page = dma_pool_alloc(hisi_hba->sge_page_pool, GFP_ATOMIC, |
| &slot->sge_page_dma); |
| if (!slot->sge_page) |
| return -ENOMEM; |
| |
| for_each_sg(scatter, sg, n_elem, i) { |
| struct hisi_sas_sge *entry = &slot->sge_page->sge[i]; |
| |
| entry->addr = cpu_to_le64(sg_dma_address(sg)); |
| entry->page_ctrl_0 = entry->page_ctrl_1 = 0; |
| entry->data_len = cpu_to_le32(sg_dma_len(sg)); |
| entry->data_off = 0; |
| } |
| |
| hdr->prd_table_addr = cpu_to_le64(slot->sge_page_dma); |
| |
| hdr->sg_len = cpu_to_le32(n_elem << CMD_HDR_DATA_SGL_LEN_OFF); |
| |
| return 0; |
| } |
| |
| static int prep_smp_v1_hw(struct hisi_hba *hisi_hba, |
| struct hisi_sas_slot *slot) |
| { |
| struct sas_task *task = slot->task; |
| struct hisi_sas_cmd_hdr *hdr = slot->cmd_hdr; |
| struct domain_device *device = task->dev; |
| struct device *dev = &hisi_hba->pdev->dev; |
| struct hisi_sas_port *port = slot->port; |
| struct scatterlist *sg_req, *sg_resp; |
| struct hisi_sas_device *sas_dev = device->lldd_dev; |
| dma_addr_t req_dma_addr; |
| unsigned int req_len, resp_len; |
| int elem, rc; |
| |
| /* |
| * DMA-map SMP request, response buffers |
| */ |
| /* req */ |
| sg_req = &task->smp_task.smp_req; |
| elem = dma_map_sg(dev, sg_req, 1, DMA_TO_DEVICE); |
| if (!elem) |
| return -ENOMEM; |
| req_len = sg_dma_len(sg_req); |
| req_dma_addr = sg_dma_address(sg_req); |
| |
| /* resp */ |
| sg_resp = &task->smp_task.smp_resp; |
| elem = dma_map_sg(dev, sg_resp, 1, DMA_FROM_DEVICE); |
| if (!elem) { |
| rc = -ENOMEM; |
| goto err_out_req; |
| } |
| resp_len = sg_dma_len(sg_resp); |
| if ((req_len & 0x3) || (resp_len & 0x3)) { |
| rc = -EINVAL; |
| goto err_out_resp; |
| } |
| |
| /* create header */ |
| /* dw0 */ |
| hdr->dw0 = cpu_to_le32((port->id << CMD_HDR_PORT_OFF) | |
| (1 << CMD_HDR_PRIORITY_OFF) | /* high pri */ |
| (1 << CMD_HDR_MODE_OFF) | /* ini mode */ |
| (2 << CMD_HDR_CMD_OFF)); /* smp */ |
| |
| /* map itct entry */ |
| hdr->dw1 = cpu_to_le32(sas_dev->device_id << CMD_HDR_DEVICE_ID_OFF); |
| |
| /* dw2 */ |
| hdr->dw2 = cpu_to_le32((((req_len-4)/4) << CMD_HDR_CFL_OFF) | |
| (HISI_SAS_MAX_SMP_RESP_SZ/4 << |
| CMD_HDR_MRFL_OFF)); |
| |
| hdr->transfer_tags = cpu_to_le32(slot->idx << CMD_HDR_IPTT_OFF); |
| |
| hdr->cmd_table_addr = cpu_to_le64(req_dma_addr); |
| hdr->sts_buffer_addr = cpu_to_le64(slot->status_buffer_dma); |
| |
| return 0; |
| |
| err_out_resp: |
| dma_unmap_sg(dev, &slot->task->smp_task.smp_resp, 1, |
| DMA_FROM_DEVICE); |
| err_out_req: |
| dma_unmap_sg(dev, &slot->task->smp_task.smp_req, 1, |
| DMA_TO_DEVICE); |
| return rc; |
| } |
| |
| static int prep_ssp_v1_hw(struct hisi_hba *hisi_hba, |
| struct hisi_sas_slot *slot, int is_tmf, |
| struct hisi_sas_tmf_task *tmf) |
| { |
| struct sas_task *task = slot->task; |
| struct hisi_sas_cmd_hdr *hdr = slot->cmd_hdr; |
| struct domain_device *device = task->dev; |
| struct hisi_sas_device *sas_dev = device->lldd_dev; |
| struct hisi_sas_port *port = slot->port; |
| struct sas_ssp_task *ssp_task = &task->ssp_task; |
| struct scsi_cmnd *scsi_cmnd = ssp_task->cmd; |
| int has_data = 0, rc, priority = is_tmf; |
| u8 *buf_cmd, fburst = 0; |
| u32 dw1, dw2; |
| |
| /* create header */ |
| hdr->dw0 = cpu_to_le32((1 << CMD_HDR_RESP_REPORT_OFF) | |
| (0x2 << CMD_HDR_TLR_CTRL_OFF) | |
| (port->id << CMD_HDR_PORT_OFF) | |
| (priority << CMD_HDR_PRIORITY_OFF) | |
| (1 << CMD_HDR_MODE_OFF) | /* ini mode */ |
| (1 << CMD_HDR_CMD_OFF)); /* ssp */ |
| |
| dw1 = 1 << CMD_HDR_VERIFY_DTL_OFF; |
| |
| if (is_tmf) { |
| dw1 |= 3 << CMD_HDR_SSP_FRAME_TYPE_OFF; |
| } else { |
| switch (scsi_cmnd->sc_data_direction) { |
| case DMA_TO_DEVICE: |
| dw1 |= 2 << CMD_HDR_SSP_FRAME_TYPE_OFF; |
| has_data = 1; |
| break; |
| case DMA_FROM_DEVICE: |
| dw1 |= 1 << CMD_HDR_SSP_FRAME_TYPE_OFF; |
| has_data = 1; |
| break; |
| default: |
| dw1 |= 0 << CMD_HDR_SSP_FRAME_TYPE_OFF; |
| } |
| } |
| |
| /* map itct entry */ |
| dw1 |= sas_dev->device_id << CMD_HDR_DEVICE_ID_OFF; |
| hdr->dw1 = cpu_to_le32(dw1); |
| |
| if (is_tmf) { |
| dw2 = ((sizeof(struct ssp_tmf_iu) + |
| sizeof(struct ssp_frame_hdr)+3)/4) << |
| CMD_HDR_CFL_OFF; |
| } else { |
| dw2 = ((sizeof(struct ssp_command_iu) + |
| sizeof(struct ssp_frame_hdr)+3)/4) << |
| CMD_HDR_CFL_OFF; |
| } |
| |
| dw2 |= (HISI_SAS_MAX_SSP_RESP_SZ/4) << CMD_HDR_MRFL_OFF; |
| |
| hdr->transfer_tags = cpu_to_le32(slot->idx << CMD_HDR_IPTT_OFF); |
| |
| if (has_data) { |
| rc = prep_prd_sge_v1_hw(hisi_hba, slot, hdr, task->scatter, |
| slot->n_elem); |
| if (rc) |
| return rc; |
| } |
| |
| hdr->data_transfer_len = cpu_to_le32(task->total_xfer_len); |
| hdr->cmd_table_addr = cpu_to_le64(slot->command_table_dma); |
| hdr->sts_buffer_addr = cpu_to_le64(slot->status_buffer_dma); |
| |
| buf_cmd = slot->command_table + sizeof(struct ssp_frame_hdr); |
| if (task->ssp_task.enable_first_burst) { |
| fburst = (1 << 7); |
| dw2 |= 1 << CMD_HDR_FIRST_BURST_OFF; |
| } |
| hdr->dw2 = cpu_to_le32(dw2); |
| |
| memcpy(buf_cmd, &task->ssp_task.LUN, 8); |
| if (!is_tmf) { |
| buf_cmd[9] = fburst | task->ssp_task.task_attr | |
| (task->ssp_task.task_prio << 3); |
| memcpy(buf_cmd + 12, task->ssp_task.cmd->cmnd, |
| task->ssp_task.cmd->cmd_len); |
| } else { |
| buf_cmd[10] = tmf->tmf; |
| switch (tmf->tmf) { |
| case TMF_ABORT_TASK: |
| case TMF_QUERY_TASK: |
| buf_cmd[12] = |
| (tmf->tag_of_task_to_be_managed >> 8) & 0xff; |
| buf_cmd[13] = |
| tmf->tag_of_task_to_be_managed & 0xff; |
| break; |
| default: |
| break; |
| } |
| } |
| |
| return 0; |
| } |
| |
| /* by default, task resp is complete */ |
| static void slot_err_v1_hw(struct hisi_hba *hisi_hba, |
| struct sas_task *task, |
| struct hisi_sas_slot *slot) |
| { |
| struct task_status_struct *ts = &task->task_status; |
| struct hisi_sas_err_record_v1 *err_record = slot->status_buffer; |
| struct device *dev = &hisi_hba->pdev->dev; |
| |
| switch (task->task_proto) { |
| case SAS_PROTOCOL_SSP: |
| { |
| int error = -1; |
| u32 dma_err_type = cpu_to_le32(err_record->dma_err_type); |
| u32 dma_tx_err_type = ((dma_err_type & |
| ERR_HDR_DMA_TX_ERR_TYPE_MSK)) >> |
| ERR_HDR_DMA_TX_ERR_TYPE_OFF; |
| u32 dma_rx_err_type = ((dma_err_type & |
| ERR_HDR_DMA_RX_ERR_TYPE_MSK)) >> |
| ERR_HDR_DMA_RX_ERR_TYPE_OFF; |
| u32 trans_tx_fail_type = |
| cpu_to_le32(err_record->trans_tx_fail_type); |
| u32 trans_rx_fail_type = |
| cpu_to_le32(err_record->trans_rx_fail_type); |
| |
| if (dma_tx_err_type) { |
| /* dma tx err */ |
| error = ffs(dma_tx_err_type) |
| - 1 + DMA_TX_ERR_BASE; |
| } else if (dma_rx_err_type) { |
| /* dma rx err */ |
| error = ffs(dma_rx_err_type) |
| - 1 + DMA_RX_ERR_BASE; |
| } else if (trans_tx_fail_type) { |
| /* trans tx err */ |
| error = ffs(trans_tx_fail_type) |
| - 1 + TRANS_TX_FAIL_BASE; |
| } else if (trans_rx_fail_type) { |
| /* trans rx err */ |
| error = ffs(trans_rx_fail_type) |
| - 1 + TRANS_RX_FAIL_BASE; |
| } |
| |
| switch (error) { |
| case DMA_TX_DATA_UNDERFLOW_ERR: |
| case DMA_RX_DATA_UNDERFLOW_ERR: |
| { |
| ts->residual = 0; |
| ts->stat = SAS_DATA_UNDERRUN; |
| break; |
| } |
| case DMA_TX_DATA_SGL_OVERFLOW_ERR: |
| case DMA_TX_DIF_SGL_OVERFLOW_ERR: |
| case DMA_TX_XFER_RDY_LENGTH_OVERFLOW_ERR: |
| case DMA_RX_DATA_OVERFLOW_ERR: |
| case TRANS_RX_FRAME_OVERRUN_ERR: |
| case TRANS_RX_LINK_BUF_OVERRUN_ERR: |
| { |
| ts->stat = SAS_DATA_OVERRUN; |
| ts->residual = 0; |
| break; |
| } |
| case TRANS_TX_PHY_NOT_ENABLE_ERR: |
| { |
| ts->stat = SAS_PHY_DOWN; |
| break; |
| } |
| case TRANS_TX_OPEN_REJCT_WRONG_DEST_ERR: |
| case TRANS_TX_OPEN_REJCT_ZONE_VIOLATION_ERR: |
| case TRANS_TX_OPEN_REJCT_BY_OTHER_ERR: |
| case TRANS_TX_OPEN_REJCT_AIP_TIMEOUT_ERR: |
| case TRANS_TX_OPEN_REJCT_STP_BUSY_ERR: |
| case TRANS_TX_OPEN_REJCT_PROTOCOL_NOT_SUPPORT_ERR: |
| case TRANS_TX_OPEN_REJCT_RATE_NOT_SUPPORT_ERR: |
| case TRANS_TX_OPEN_REJCT_BAD_DEST_ERR: |
| case TRANS_TX_OPEN_BREAK_RECEIVE_ERR: |
| case TRANS_TX_OPEN_REJCT_PATHWAY_BLOCKED_ERR: |
| case TRANS_TX_OPEN_REJCT_NO_DEST_ERR: |
| case TRANS_TX_OPEN_RETRY_ERR: |
| { |
| ts->stat = SAS_OPEN_REJECT; |
| ts->open_rej_reason = SAS_OREJ_UNKNOWN; |
| break; |
| } |
| case TRANS_TX_OPEN_TIMEOUT_ERR: |
| { |
| ts->stat = SAS_OPEN_TO; |
| break; |
| } |
| case TRANS_TX_NAK_RECEIVE_ERR: |
| case TRANS_TX_ACK_NAK_TIMEOUT_ERR: |
| { |
| ts->stat = SAS_NAK_R_ERR; |
| break; |
| } |
| case TRANS_TX_CREDIT_TIMEOUT_ERR: |
| case TRANS_TX_CLOSE_NORMAL_ERR: |
| { |
| /* This will request a retry */ |
| ts->stat = SAS_QUEUE_FULL; |
| slot->abort = 1; |
| break; |
| } |
| default: |
| { |
| ts->stat = SAM_STAT_CHECK_CONDITION; |
| break; |
| } |
| } |
| } |
| break; |
| case SAS_PROTOCOL_SMP: |
| ts->stat = SAM_STAT_CHECK_CONDITION; |
| break; |
| |
| case SAS_PROTOCOL_SATA: |
| case SAS_PROTOCOL_STP: |
| case SAS_PROTOCOL_SATA | SAS_PROTOCOL_STP: |
| { |
| dev_err(dev, "slot err: SATA/STP not supported"); |
| } |
| break; |
| default: |
| break; |
| } |
| |
| } |
| |
| static int slot_complete_v1_hw(struct hisi_hba *hisi_hba, |
| struct hisi_sas_slot *slot, int abort) |
| { |
| struct sas_task *task = slot->task; |
| struct hisi_sas_device *sas_dev; |
| struct device *dev = &hisi_hba->pdev->dev; |
| struct task_status_struct *ts; |
| struct domain_device *device; |
| enum exec_status sts; |
| struct hisi_sas_complete_v1_hdr *complete_queue = |
| hisi_hba->complete_hdr[slot->cmplt_queue]; |
| struct hisi_sas_complete_v1_hdr *complete_hdr; |
| u32 cmplt_hdr_data; |
| |
| complete_hdr = &complete_queue[slot->cmplt_queue_slot]; |
| cmplt_hdr_data = le32_to_cpu(complete_hdr->data); |
| |
| if (unlikely(!task || !task->lldd_task || !task->dev)) |
| return -EINVAL; |
| |
| ts = &task->task_status; |
| device = task->dev; |
| sas_dev = device->lldd_dev; |
| |
| task->task_state_flags &= |
| ~(SAS_TASK_STATE_PENDING | SAS_TASK_AT_INITIATOR); |
| task->task_state_flags |= SAS_TASK_STATE_DONE; |
| |
| memset(ts, 0, sizeof(*ts)); |
| ts->resp = SAS_TASK_COMPLETE; |
| |
| if (unlikely(!sas_dev || abort)) { |
| if (!sas_dev) |
| dev_dbg(dev, "slot complete: port has not device\n"); |
| ts->stat = SAS_PHY_DOWN; |
| goto out; |
| } |
| |
| if (cmplt_hdr_data & CMPLT_HDR_IO_CFG_ERR_MSK) { |
| u32 info_reg = hisi_sas_read32(hisi_hba, HGC_INVLD_DQE_INFO); |
| |
| if (info_reg & HGC_INVLD_DQE_INFO_DQ_MSK) |
| dev_err(dev, "slot complete: [%d:%d] has dq IPTT err", |
| slot->cmplt_queue, slot->cmplt_queue_slot); |
| |
| if (info_reg & HGC_INVLD_DQE_INFO_TYPE_MSK) |
| dev_err(dev, "slot complete: [%d:%d] has dq type err", |
| slot->cmplt_queue, slot->cmplt_queue_slot); |
| |
| if (info_reg & HGC_INVLD_DQE_INFO_FORCE_MSK) |
| dev_err(dev, "slot complete: [%d:%d] has dq force phy err", |
| slot->cmplt_queue, slot->cmplt_queue_slot); |
| |
| if (info_reg & HGC_INVLD_DQE_INFO_PHY_MSK) |
| dev_err(dev, "slot complete: [%d:%d] has dq phy id err", |
| slot->cmplt_queue, slot->cmplt_queue_slot); |
| |
| if (info_reg & HGC_INVLD_DQE_INFO_ABORT_MSK) |
| dev_err(dev, "slot complete: [%d:%d] has dq abort flag err", |
| slot->cmplt_queue, slot->cmplt_queue_slot); |
| |
| if (info_reg & HGC_INVLD_DQE_INFO_IPTT_OF_MSK) |
| dev_err(dev, "slot complete: [%d:%d] has dq IPTT or ICT err", |
| slot->cmplt_queue, slot->cmplt_queue_slot); |
| |
| if (info_reg & HGC_INVLD_DQE_INFO_SSP_ERR_MSK) |
| dev_err(dev, "slot complete: [%d:%d] has dq SSP frame type err", |
| slot->cmplt_queue, slot->cmplt_queue_slot); |
| |
| if (info_reg & HGC_INVLD_DQE_INFO_OFL_MSK) |
| dev_err(dev, "slot complete: [%d:%d] has dq order frame len err", |
| slot->cmplt_queue, slot->cmplt_queue_slot); |
| |
| ts->stat = SAS_OPEN_REJECT; |
| ts->open_rej_reason = SAS_OREJ_UNKNOWN; |
| goto out; |
| } |
| |
| if (cmplt_hdr_data & CMPLT_HDR_ERR_RCRD_XFRD_MSK && |
| !(cmplt_hdr_data & CMPLT_HDR_RSPNS_XFRD_MSK)) { |
| |
| slot_err_v1_hw(hisi_hba, task, slot); |
| if (unlikely(slot->abort)) { |
| queue_work(hisi_hba->wq, &slot->abort_slot); |
| /* immediately return and do not complete */ |
| return ts->stat; |
| } |
| goto out; |
| } |
| |
| switch (task->task_proto) { |
| case SAS_PROTOCOL_SSP: |
| { |
| struct ssp_response_iu *iu = slot->status_buffer + |
| sizeof(struct hisi_sas_err_record); |
| sas_ssp_task_response(dev, task, iu); |
| break; |
| } |
| case SAS_PROTOCOL_SMP: |
| { |
| void *to; |
| struct scatterlist *sg_resp = &task->smp_task.smp_resp; |
| |
| ts->stat = SAM_STAT_GOOD; |
| to = kmap_atomic(sg_page(sg_resp)); |
| |
| dma_unmap_sg(dev, &task->smp_task.smp_resp, 1, |
| DMA_FROM_DEVICE); |
| dma_unmap_sg(dev, &task->smp_task.smp_req, 1, |
| DMA_TO_DEVICE); |
| memcpy(to + sg_resp->offset, |
| slot->status_buffer + |
| sizeof(struct hisi_sas_err_record), |
| sg_dma_len(sg_resp)); |
| kunmap_atomic(to); |
| break; |
| } |
| case SAS_PROTOCOL_SATA: |
| case SAS_PROTOCOL_STP: |
| case SAS_PROTOCOL_SATA | SAS_PROTOCOL_STP: |
| dev_err(dev, "slot complete: SATA/STP not supported"); |
| break; |
| |
| default: |
| ts->stat = SAM_STAT_CHECK_CONDITION; |
| break; |
| } |
| |
| if (!slot->port->port_attached) { |
| dev_err(dev, "slot complete: port %d has removed\n", |
| slot->port->sas_port.id); |
| ts->stat = SAS_PHY_DOWN; |
| } |
| |
| out: |
| if (sas_dev && sas_dev->running_req) |
| sas_dev->running_req--; |
| |
| hisi_sas_slot_task_free(hisi_hba, task, slot); |
| sts = ts->stat; |
| |
| if (task->task_done) |
| task->task_done(task); |
| |
| return sts; |
| } |
| |
| /* Interrupts */ |
| static irqreturn_t int_phyup_v1_hw(int irq_no, void *p) |
| { |
| struct hisi_sas_phy *phy = p; |
| struct hisi_hba *hisi_hba = phy->hisi_hba; |
| struct device *dev = &hisi_hba->pdev->dev; |
| struct asd_sas_phy *sas_phy = &phy->sas_phy; |
| int i, phy_no = sas_phy->id; |
| u32 irq_value, context, port_id, link_rate; |
| u32 *frame_rcvd = (u32 *)sas_phy->frame_rcvd; |
| struct sas_identify_frame *id = (struct sas_identify_frame *)frame_rcvd; |
| irqreturn_t res = IRQ_HANDLED; |
| |
| irq_value = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT2); |
| if (!(irq_value & CHL_INT2_SL_PHY_ENA_MSK)) { |
| dev_dbg(dev, "phyup: irq_value = %x not set enable bit\n", |
| irq_value); |
| res = IRQ_NONE; |
| goto end; |
| } |
| |
| context = hisi_sas_read32(hisi_hba, PHY_CONTEXT); |
| if (context & 1 << phy_no) { |
| dev_err(dev, "phyup: phy%d SATA attached equipment\n", |
| phy_no); |
| goto end; |
| } |
| |
| port_id = (hisi_sas_read32(hisi_hba, PHY_PORT_NUM_MA) >> (4 * phy_no)) |
| & 0xf; |
| if (port_id == 0xf) { |
| dev_err(dev, "phyup: phy%d invalid portid\n", phy_no); |
| res = IRQ_NONE; |
| goto end; |
| } |
| |
| for (i = 0; i < 6; i++) { |
| u32 idaf = hisi_sas_phy_read32(hisi_hba, phy_no, |
| RX_IDAF_DWORD0 + (i * 4)); |
| frame_rcvd[i] = __swab32(idaf); |
| } |
| |
| /* Get the linkrate */ |
| link_rate = hisi_sas_read32(hisi_hba, PHY_CONN_RATE); |
| link_rate = (link_rate >> (phy_no * 4)) & 0xf; |
| sas_phy->linkrate = link_rate; |
| sas_phy->oob_mode = SAS_OOB_MODE; |
| memcpy(sas_phy->attached_sas_addr, |
| &id->sas_addr, SAS_ADDR_SIZE); |
| dev_info(dev, "phyup: phy%d link_rate=%d\n", |
| phy_no, link_rate); |
| phy->port_id = port_id; |
| phy->phy_type &= ~(PORT_TYPE_SAS | PORT_TYPE_SATA); |
| phy->phy_type |= PORT_TYPE_SAS; |
| phy->phy_attached = 1; |
| phy->identify.device_type = id->dev_type; |
| phy->frame_rcvd_size = sizeof(struct sas_identify_frame); |
| if (phy->identify.device_type == SAS_END_DEVICE) |
| phy->identify.target_port_protocols = |
| SAS_PROTOCOL_SSP; |
| else if (phy->identify.device_type != SAS_PHY_UNUSED) |
| phy->identify.target_port_protocols = |
| SAS_PROTOCOL_SMP; |
| queue_work(hisi_hba->wq, &phy->phyup_ws); |
| |
| end: |
| hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT2, |
| CHL_INT2_SL_PHY_ENA_MSK); |
| |
| if (irq_value & CHL_INT2_SL_PHY_ENA_MSK) { |
| u32 chl_int0 = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT0); |
| |
| chl_int0 &= ~CHL_INT0_PHYCTRL_NOTRDY_MSK; |
| hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0, chl_int0); |
| hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0_MSK, 0x3ce3ee); |
| } |
| |
| return res; |
| } |
| |
| static irqreturn_t int_bcast_v1_hw(int irq, void *p) |
| { |
| struct hisi_sas_phy *phy = p; |
| struct hisi_hba *hisi_hba = phy->hisi_hba; |
| struct asd_sas_phy *sas_phy = &phy->sas_phy; |
| struct sas_ha_struct *sha = &hisi_hba->sha; |
| struct device *dev = &hisi_hba->pdev->dev; |
| int phy_no = sas_phy->id; |
| u32 irq_value; |
| irqreturn_t res = IRQ_HANDLED; |
| |
| irq_value = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT2); |
| |
| if (!(irq_value & CHL_INT2_SL_RX_BC_ACK_MSK)) { |
| dev_err(dev, "bcast: irq_value = %x not set enable bit", |
| irq_value); |
| res = IRQ_NONE; |
| goto end; |
| } |
| |
| sha->notify_port_event(sas_phy, PORTE_BROADCAST_RCVD); |
| |
| end: |
| hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT2, |
| CHL_INT2_SL_RX_BC_ACK_MSK); |
| |
| return res; |
| } |
| |
| static irqreturn_t int_abnormal_v1_hw(int irq, void *p) |
| { |
| struct hisi_sas_phy *phy = p; |
| struct hisi_hba *hisi_hba = phy->hisi_hba; |
| struct device *dev = &hisi_hba->pdev->dev; |
| struct asd_sas_phy *sas_phy = &phy->sas_phy; |
| u32 irq_value, irq_mask_old; |
| int phy_no = sas_phy->id; |
| |
| /* mask_int0 */ |
| irq_mask_old = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT0_MSK); |
| hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0_MSK, 0x3fffff); |
| |
| /* read int0 */ |
| irq_value = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT0); |
| |
| if (irq_value & CHL_INT0_PHYCTRL_NOTRDY_MSK) { |
| u32 phy_state = hisi_sas_read32(hisi_hba, PHY_STATE); |
| |
| hisi_sas_phy_down(hisi_hba, phy_no, |
| (phy_state & 1 << phy_no) ? 1 : 0); |
| } |
| |
| if (irq_value & CHL_INT0_ID_TIMEOUT_MSK) |
| dev_dbg(dev, "abnormal: ID_TIMEOUT phy%d identify timeout\n", |
| phy_no); |
| |
| if (irq_value & CHL_INT0_DWS_LOST_MSK) |
| dev_dbg(dev, "abnormal: DWS_LOST phy%d dws lost\n", phy_no); |
| |
| if (irq_value & CHL_INT0_SN_FAIL_NGR_MSK) |
| dev_dbg(dev, "abnormal: SN_FAIL_NGR phy%d sn fail ngr\n", |
| phy_no); |
| |
| if (irq_value & CHL_INT0_SL_IDAF_FAIL_MSK || |
| irq_value & CHL_INT0_SL_OPAF_FAIL_MSK) |
| dev_dbg(dev, "abnormal: SL_ID/OPAF_FAIL phy%d check adr frm err\n", |
| phy_no); |
| |
| if (irq_value & CHL_INT0_SL_PS_FAIL_OFF) |
| dev_dbg(dev, "abnormal: SL_PS_FAIL phy%d fail\n", phy_no); |
| |
| /* write to zero */ |
| hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0, irq_value); |
| |
| if (irq_value & CHL_INT0_PHYCTRL_NOTRDY_MSK) |
| hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0_MSK, |
| 0x3fffff & ~CHL_INT0_MSK_PHYCTRL_NOTRDY_MSK); |
| else |
| hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0_MSK, |
| irq_mask_old); |
| |
| return IRQ_HANDLED; |
| } |
| |
| static irqreturn_t cq_interrupt_v1_hw(int irq, void *p) |
| { |
| struct hisi_sas_cq *cq = p; |
| struct hisi_hba *hisi_hba = cq->hisi_hba; |
| struct hisi_sas_slot *slot; |
| int queue = cq->id; |
| struct hisi_sas_complete_v1_hdr *complete_queue = |
| (struct hisi_sas_complete_v1_hdr *) |
| hisi_hba->complete_hdr[queue]; |
| u32 irq_value, rd_point = cq->rd_point, wr_point; |
| |
| irq_value = hisi_sas_read32(hisi_hba, OQ_INT_SRC); |
| |
| hisi_sas_write32(hisi_hba, OQ_INT_SRC, 1 << queue); |
| wr_point = hisi_sas_read32(hisi_hba, |
| COMPL_Q_0_WR_PTR + (0x14 * queue)); |
| |
| while (rd_point != wr_point) { |
| struct hisi_sas_complete_v1_hdr *complete_hdr; |
| int idx; |
| u32 cmplt_hdr_data; |
| |
| complete_hdr = &complete_queue[rd_point]; |
| cmplt_hdr_data = cpu_to_le32(complete_hdr->data); |
| idx = (cmplt_hdr_data & CMPLT_HDR_IPTT_MSK) >> |
| CMPLT_HDR_IPTT_OFF; |
| slot = &hisi_hba->slot_info[idx]; |
| |
| /* The completion queue and queue slot index are not |
| * necessarily the same as the delivery queue and |
| * queue slot index. |
| */ |
| slot->cmplt_queue_slot = rd_point; |
| slot->cmplt_queue = queue; |
| slot_complete_v1_hw(hisi_hba, slot, 0); |
| |
| if (++rd_point >= HISI_SAS_QUEUE_SLOTS) |
| rd_point = 0; |
| } |
| |
| /* update rd_point */ |
| cq->rd_point = rd_point; |
| hisi_sas_write32(hisi_hba, COMPL_Q_0_RD_PTR + (0x14 * queue), rd_point); |
| |
| return IRQ_HANDLED; |
| } |
| |
| static irqreturn_t fatal_ecc_int_v1_hw(int irq, void *p) |
| { |
| struct hisi_hba *hisi_hba = p; |
| struct device *dev = &hisi_hba->pdev->dev; |
| u32 ecc_int = hisi_sas_read32(hisi_hba, SAS_ECC_INTR); |
| |
| if (ecc_int & SAS_ECC_INTR_DQ_ECC1B_MSK) { |
| u32 ecc_err = hisi_sas_read32(hisi_hba, HGC_ECC_ERR); |
| |
| panic("%s: Fatal DQ 1b ECC interrupt (0x%x)\n", |
| dev_name(dev), ecc_err); |
| } |
| |
| if (ecc_int & SAS_ECC_INTR_DQ_ECCBAD_MSK) { |
| u32 addr = (hisi_sas_read32(hisi_hba, HGC_DQ_ECC_ADDR) & |
| HGC_DQ_ECC_ADDR_BAD_MSK) >> |
| HGC_DQ_ECC_ADDR_BAD_OFF; |
| |
| panic("%s: Fatal DQ RAM ECC interrupt @ 0x%08x\n", |
| dev_name(dev), addr); |
| } |
| |
| if (ecc_int & SAS_ECC_INTR_IOST_ECC1B_MSK) { |
| u32 ecc_err = hisi_sas_read32(hisi_hba, HGC_ECC_ERR); |
| |
| panic("%s: Fatal IOST 1b ECC interrupt (0x%x)\n", |
| dev_name(dev), ecc_err); |
| } |
| |
| if (ecc_int & SAS_ECC_INTR_IOST_ECCBAD_MSK) { |
| u32 addr = (hisi_sas_read32(hisi_hba, HGC_IOST_ECC_ADDR) & |
| HGC_IOST_ECC_ADDR_BAD_MSK) >> |
| HGC_IOST_ECC_ADDR_BAD_OFF; |
| |
| panic("%s: Fatal IOST RAM ECC interrupt @ 0x%08x\n", |
| dev_name(dev), addr); |
| } |
| |
| if (ecc_int & SAS_ECC_INTR_ITCT_ECCBAD_MSK) { |
| u32 addr = (hisi_sas_read32(hisi_hba, HGC_ITCT_ECC_ADDR) & |
| HGC_ITCT_ECC_ADDR_BAD_MSK) >> |
| HGC_ITCT_ECC_ADDR_BAD_OFF; |
| |
| panic("%s: Fatal TCT RAM ECC interrupt @ 0x%08x\n", |
| dev_name(dev), addr); |
| } |
| |
| if (ecc_int & SAS_ECC_INTR_ITCT_ECC1B_MSK) { |
| u32 ecc_err = hisi_sas_read32(hisi_hba, HGC_ECC_ERR); |
| |
| panic("%s: Fatal ITCT 1b ECC interrupt (0x%x)\n", |
| dev_name(dev), ecc_err); |
| } |
| |
| hisi_sas_write32(hisi_hba, SAS_ECC_INTR, ecc_int | 0x3f); |
| |
| return IRQ_HANDLED; |
| } |
| |
| static irqreturn_t fatal_axi_int_v1_hw(int irq, void *p) |
| { |
| struct hisi_hba *hisi_hba = p; |
| struct device *dev = &hisi_hba->pdev->dev; |
| u32 axi_int = hisi_sas_read32(hisi_hba, ENT_INT_SRC2); |
| u32 axi_info = hisi_sas_read32(hisi_hba, HGC_AXI_FIFO_ERR_INFO); |
| |
| if (axi_int & ENT_INT_SRC2_DQ_CFG_ERR_MSK) |
| panic("%s: Fatal DQ_CFG_ERR interrupt (0x%x)\n", |
| dev_name(dev), axi_info); |
| |
| if (axi_int & ENT_INT_SRC2_CQ_CFG_ERR_MSK) |
| panic("%s: Fatal CQ_CFG_ERR interrupt (0x%x)\n", |
| dev_name(dev), axi_info); |
| |
| if (axi_int & ENT_INT_SRC2_AXI_WRONG_INT_MSK) |
| panic("%s: Fatal AXI_WRONG_INT interrupt (0x%x)\n", |
| dev_name(dev), axi_info); |
| |
| if (axi_int & ENT_INT_SRC2_AXI_OVERLF_INT_MSK) |
| panic("%s: Fatal AXI_OVERLF_INT incorrect interrupt (0x%x)\n", |
| dev_name(dev), axi_info); |
| |
| hisi_sas_write32(hisi_hba, ENT_INT_SRC2, axi_int | 0x30000000); |
| |
| return IRQ_HANDLED; |
| } |
| |
| static irq_handler_t phy_interrupts[HISI_SAS_PHY_INT_NR] = { |
| int_bcast_v1_hw, |
| int_phyup_v1_hw, |
| int_abnormal_v1_hw |
| }; |
| |
| static irq_handler_t fatal_interrupts[HISI_SAS_MAX_QUEUES] = { |
| fatal_ecc_int_v1_hw, |
| fatal_axi_int_v1_hw |
| }; |
| |
| static int interrupt_init_v1_hw(struct hisi_hba *hisi_hba) |
| { |
| struct platform_device *pdev = hisi_hba->pdev; |
| struct device *dev = &pdev->dev; |
| int i, j, irq, rc, idx; |
| |
| for (i = 0; i < hisi_hba->n_phy; i++) { |
| struct hisi_sas_phy *phy = &hisi_hba->phy[i]; |
| |
| idx = i * HISI_SAS_PHY_INT_NR; |
| for (j = 0; j < HISI_SAS_PHY_INT_NR; j++, idx++) { |
| irq = platform_get_irq(pdev, idx); |
| if (!irq) { |
| dev_err(dev, |
| "irq init: fail map phy interrupt %d\n", |
| idx); |
| return -ENOENT; |
| } |
| |
| rc = devm_request_irq(dev, irq, phy_interrupts[j], 0, |
| DRV_NAME " phy", phy); |
| if (rc) { |
| dev_err(dev, "irq init: could not request " |
| "phy interrupt %d, rc=%d\n", |
| irq, rc); |
| return -ENOENT; |
| } |
| } |
| } |
| |
| idx = hisi_hba->n_phy * HISI_SAS_PHY_INT_NR; |
| for (i = 0; i < hisi_hba->queue_count; i++, idx++) { |
| irq = platform_get_irq(pdev, idx); |
| if (!irq) { |
| dev_err(dev, "irq init: could not map cq interrupt %d\n", |
| idx); |
| return -ENOENT; |
| } |
| |
| rc = devm_request_irq(dev, irq, cq_interrupt_v1_hw, 0, |
| DRV_NAME " cq", &hisi_hba->cq[i]); |
| if (rc) { |
| dev_err(dev, "irq init: could not request cq interrupt %d, rc=%d\n", |
| irq, rc); |
| return -ENOENT; |
| } |
| } |
| |
| idx = (hisi_hba->n_phy * HISI_SAS_PHY_INT_NR) + hisi_hba->queue_count; |
| for (i = 0; i < HISI_SAS_FATAL_INT_NR; i++, idx++) { |
| irq = platform_get_irq(pdev, idx); |
| if (!irq) { |
| dev_err(dev, "irq init: could not map fatal interrupt %d\n", |
| idx); |
| return -ENOENT; |
| } |
| |
| rc = devm_request_irq(dev, irq, fatal_interrupts[i], 0, |
| DRV_NAME " fatal", hisi_hba); |
| if (rc) { |
| dev_err(dev, |
| "irq init: could not request fatal interrupt %d, rc=%d\n", |
| irq, rc); |
| return -ENOENT; |
| } |
| } |
| |
| return 0; |
| } |
| |
| static int interrupt_openall_v1_hw(struct hisi_hba *hisi_hba) |
| { |
| int i; |
| u32 val; |
| |
| for (i = 0; i < hisi_hba->n_phy; i++) { |
| /* Clear interrupt status */ |
| val = hisi_sas_phy_read32(hisi_hba, i, CHL_INT0); |
| hisi_sas_phy_write32(hisi_hba, i, CHL_INT0, val); |
| val = hisi_sas_phy_read32(hisi_hba, i, CHL_INT1); |
| hisi_sas_phy_write32(hisi_hba, i, CHL_INT1, val); |
| val = hisi_sas_phy_read32(hisi_hba, i, CHL_INT2); |
| hisi_sas_phy_write32(hisi_hba, i, CHL_INT2, val); |
| |
| /* Unmask interrupt */ |
| hisi_sas_phy_write32(hisi_hba, i, CHL_INT0_MSK, 0x3ce3ee); |
| hisi_sas_phy_write32(hisi_hba, i, CHL_INT1_MSK, 0x17fff); |
| hisi_sas_phy_write32(hisi_hba, i, CHL_INT2_MSK, 0x8000012a); |
| |
| /* bypass chip bug mask abnormal intr */ |
| hisi_sas_phy_write32(hisi_hba, i, CHL_INT0_MSK, |
| 0x3fffff & ~CHL_INT0_MSK_PHYCTRL_NOTRDY_MSK); |
| } |
| |
| return 0; |
| } |
| |
| static int hisi_sas_v1_init(struct hisi_hba *hisi_hba) |
| { |
| int rc; |
| |
| rc = hw_init_v1_hw(hisi_hba); |
| if (rc) |
| return rc; |
| |
| rc = interrupt_init_v1_hw(hisi_hba); |
| if (rc) |
| return rc; |
| |
| rc = interrupt_openall_v1_hw(hisi_hba); |
| if (rc) |
| return rc; |
| |
| phys_init_v1_hw(hisi_hba); |
| |
| return 0; |
| } |
| |
| static const struct hisi_sas_hw hisi_sas_v1_hw = { |
| .hw_init = hisi_sas_v1_init, |
| .setup_itct = setup_itct_v1_hw, |
| .sl_notify = sl_notify_v1_hw, |
| .free_device = free_device_v1_hw, |
| .prep_smp = prep_smp_v1_hw, |
| .prep_ssp = prep_ssp_v1_hw, |
| .get_free_slot = get_free_slot_v1_hw, |
| .start_delivery = start_delivery_v1_hw, |
| .slot_complete = slot_complete_v1_hw, |
| .phy_enable = enable_phy_v1_hw, |
| .phy_disable = disable_phy_v1_hw, |
| .phy_hard_reset = phy_hard_reset_v1_hw, |
| .get_wideport_bitmap = get_wideport_bitmap_v1_hw, |
| .max_command_entries = HISI_SAS_COMMAND_ENTRIES_V1_HW, |
| .complete_hdr_size = sizeof(struct hisi_sas_complete_v1_hdr), |
| }; |
| |
| static int hisi_sas_v1_probe(struct platform_device *pdev) |
| { |
| return hisi_sas_probe(pdev, &hisi_sas_v1_hw); |
| } |
| |
| static int hisi_sas_v1_remove(struct platform_device *pdev) |
| { |
| return hisi_sas_remove(pdev); |
| } |
| |
| static const struct of_device_id sas_v1_of_match[] = { |
| { .compatible = "hisilicon,hip05-sas-v1",}, |
| {}, |
| }; |
| MODULE_DEVICE_TABLE(of, sas_v1_of_match); |
| |
| static const struct acpi_device_id sas_v1_acpi_match[] = { |
| { "HISI0161", 0 }, |
| { } |
| }; |
| |
| MODULE_DEVICE_TABLE(acpi, sas_v1_acpi_match); |
| |
| static struct platform_driver hisi_sas_v1_driver = { |
| .probe = hisi_sas_v1_probe, |
| .remove = hisi_sas_v1_remove, |
| .driver = { |
| .name = DRV_NAME, |
| .of_match_table = sas_v1_of_match, |
| .acpi_match_table = ACPI_PTR(sas_v1_acpi_match), |
| }, |
| }; |
| |
| module_platform_driver(hisi_sas_v1_driver); |
| |
| MODULE_LICENSE("GPL"); |
| MODULE_AUTHOR("John Garry <john.garry@huawei.com>"); |
| MODULE_DESCRIPTION("HISILICON SAS controller v1 hw driver"); |
| MODULE_ALIAS("platform:" DRV_NAME); |
