1 /* 2 * Marvell 88SE94xx hardware specific head file 3 * 4 * Copyright 2007 Red Hat, Inc. 5 * Copyright 2008 Marvell. <kewei@marvell.com> 6 * Copyright 2009-2011 Marvell. <yuxiangl@marvell.com> 7 * 8 * This file is licensed under GPLv2. 9 * 10 * This program is free software; you can redistribute it and/or 11 * modify it under the terms of the GNU General Public License as 12 * published by the Free Software Foundation; version 2 of the 13 * License. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 18 * General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License 21 * along with this program; if not, write to the Free Software 22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 23 * USA 24 */ 25 26 #ifndef _MVS94XX_REG_H_ 27 #define _MVS94XX_REG_H_ 28 29 #include <linux/types.h> 30 31 #define MAX_LINK_RATE SAS_LINK_RATE_6_0_GBPS 32 33 enum VANIR_REVISION_ID { 34 VANIR_A0_REV = 0xA0, 35 VANIR_B0_REV = 0x01, 36 VANIR_C0_REV = 0x02, 37 VANIR_C1_REV = 0x03, 38 VANIR_C2_REV = 0xC2, 39 }; 40 41 enum hw_registers { 42 MVS_GBL_CTL = 0x04, /* global control */ 43 MVS_GBL_INT_STAT = 0x00, /* global irq status */ 44 MVS_GBL_PI = 0x0C, /* ports implemented bitmask */ 45 46 MVS_PHY_CTL = 0x40, /* SOC PHY Control */ 47 MVS_PORTS_IMP = 0x9C, /* SOC Port Implemented */ 48 49 MVS_GBL_PORT_TYPE = 0xa0, /* port type */ 50 51 MVS_CTL = 0x100, /* SAS/SATA port configuration */ 52 MVS_PCS = 0x104, /* SAS/SATA port control/status */ 53 MVS_CMD_LIST_LO = 0x108, /* cmd list addr */ 54 MVS_CMD_LIST_HI = 0x10C, 55 MVS_RX_FIS_LO = 0x110, /* RX FIS list addr */ 56 MVS_RX_FIS_HI = 0x114, 57 MVS_STP_REG_SET_0 = 0x118, /* STP/SATA Register Set Enable */ 58 MVS_STP_REG_SET_1 = 0x11C, 59 MVS_TX_CFG = 0x120, /* TX configuration */ 60 MVS_TX_LO = 0x124, /* TX (delivery) ring addr */ 61 MVS_TX_HI = 0x128, 62 63 MVS_TX_PROD_IDX = 0x12C, /* TX producer pointer */ 64 MVS_TX_CONS_IDX = 0x130, /* TX consumer pointer (RO) */ 65 MVS_RX_CFG = 0x134, /* RX configuration */ 66 MVS_RX_LO = 0x138, /* RX (completion) ring addr */ 67 MVS_RX_HI = 0x13C, 68 MVS_RX_CONS_IDX = 0x140, /* RX consumer pointer (RO) */ 69 70 MVS_INT_COAL = 0x148, /* Int coalescing config */ 71 MVS_INT_COAL_TMOUT = 0x14C, /* Int coalescing timeout */ 72 MVS_INT_STAT = 0x150, /* Central int status */ 73 MVS_INT_MASK = 0x154, /* Central int enable */ 74 MVS_INT_STAT_SRS_0 = 0x158, /* SATA register set status */ 75 MVS_INT_MASK_SRS_0 = 0x15C, 76 MVS_INT_STAT_SRS_1 = 0x160, 77 MVS_INT_MASK_SRS_1 = 0x164, 78 MVS_NON_NCQ_ERR_0 = 0x168, /* SRS Non-specific NCQ Error */ 79 MVS_NON_NCQ_ERR_1 = 0x16C, 80 MVS_CMD_ADDR = 0x170, /* Command register port (addr) */ 81 MVS_CMD_DATA = 0x174, /* Command register port (data) */ 82 MVS_MEM_PARITY_ERR = 0x178, /* Memory parity error */ 83 84 /* ports 1-3 follow after this */ 85 MVS_P0_INT_STAT = 0x180, /* port0 interrupt status */ 86 MVS_P0_INT_MASK = 0x184, /* port0 interrupt mask */ 87 /* ports 5-7 follow after this */ 88 MVS_P4_INT_STAT = 0x1A0, /* Port4 interrupt status */ 89 MVS_P4_INT_MASK = 0x1A4, /* Port4 interrupt enable mask */ 90 91 /* ports 1-3 follow after this */ 92 MVS_P0_SER_CTLSTAT = 0x1D0, /* port0 serial control/status */ 93 /* ports 5-7 follow after this */ 94 MVS_P4_SER_CTLSTAT = 0x1E0, /* port4 serial control/status */ 95 96 /* ports 1-3 follow after this */ 97 MVS_P0_CFG_ADDR = 0x200, /* port0 phy register address */ 98 MVS_P0_CFG_DATA = 0x204, /* port0 phy register data */ 99 /* ports 5-7 follow after this */ 100 MVS_P4_CFG_ADDR = 0x220, /* Port4 config address */ 101 MVS_P4_CFG_DATA = 0x224, /* Port4 config data */ 102 103 /* phys 1-3 follow after this */ 104 MVS_P0_VSR_ADDR = 0x250, /* phy0 VSR address */ 105 MVS_P0_VSR_DATA = 0x254, /* phy0 VSR data */ 106 /* phys 1-3 follow after this */ 107 /* multiplexing */ 108 MVS_P4_VSR_ADDR = 0x250, /* phy4 VSR address */ 109 MVS_P4_VSR_DATA = 0x254, /* phy4 VSR data */ 110 MVS_PA_VSR_ADDR = 0x290, /* All port VSR addr */ 111 MVS_PA_VSR_PORT = 0x294, /* All port VSR data */ 112 MVS_COMMAND_ACTIVE = 0x300, 113 }; 114 115 enum pci_cfg_registers { 116 PCR_PHY_CTL = 0x40, 117 PCR_PHY_CTL2 = 0x90, 118 PCR_DEV_CTRL = 0x78, 119 PCR_LINK_STAT = 0x82, 120 }; 121 122 /* SAS/SATA Vendor Specific Port Registers */ 123 enum sas_sata_vsp_regs { 124 VSR_PHY_STAT = 0x00 * 4, /* Phy Interrupt Status */ 125 VSR_PHY_MODE1 = 0x01 * 4, /* phy Interrupt Enable */ 126 VSR_PHY_MODE2 = 0x02 * 4, /* Phy Configuration */ 127 VSR_PHY_MODE3 = 0x03 * 4, /* Phy Status */ 128 VSR_PHY_MODE4 = 0x04 * 4, /* Phy Counter 0 */ 129 VSR_PHY_MODE5 = 0x05 * 4, /* Phy Counter 1 */ 130 VSR_PHY_MODE6 = 0x06 * 4, /* Event Counter Control */ 131 VSR_PHY_MODE7 = 0x07 * 4, /* Event Counter Select */ 132 VSR_PHY_MODE8 = 0x08 * 4, /* Event Counter 0 */ 133 VSR_PHY_MODE9 = 0x09 * 4, /* Event Counter 1 */ 134 VSR_PHY_MODE10 = 0x0A * 4, /* Event Counter 2 */ 135 VSR_PHY_MODE11 = 0x0B * 4, /* Event Counter 3 */ 136 VSR_PHY_ACT_LED = 0x0C * 4, /* Activity LED control */ 137 138 VSR_PHY_FFE_CONTROL = 0x10C, 139 VSR_PHY_DFE_UPDATE_CRTL = 0x110, 140 VSR_REF_CLOCK_CRTL = 0x1A0, 141 }; 142 143 enum chip_register_bits { 144 PHY_MIN_SPP_PHYS_LINK_RATE_MASK = (0x7 << 8), 145 PHY_MAX_SPP_PHYS_LINK_RATE_MASK = (0x7 << 12), 146 PHY_NEG_SPP_PHYS_LINK_RATE_MASK_OFFSET = (16), 147 PHY_NEG_SPP_PHYS_LINK_RATE_MASK = 148 (0x3 << PHY_NEG_SPP_PHYS_LINK_RATE_MASK_OFFSET), 149 }; 150 151 enum pci_interrupt_cause { 152 /* MAIN_IRQ_CAUSE (R10200) Bits*/ 153 IRQ_COM_IN_I2O_IOP0 = (1 << 0), 154 IRQ_COM_IN_I2O_IOP1 = (1 << 1), 155 IRQ_COM_IN_I2O_IOP2 = (1 << 2), 156 IRQ_COM_IN_I2O_IOP3 = (1 << 3), 157 IRQ_COM_OUT_I2O_HOS0 = (1 << 4), 158 IRQ_COM_OUT_I2O_HOS1 = (1 << 5), 159 IRQ_COM_OUT_I2O_HOS2 = (1 << 6), 160 IRQ_COM_OUT_I2O_HOS3 = (1 << 7), 161 IRQ_PCIF_TO_CPU_DRBL0 = (1 << 8), 162 IRQ_PCIF_TO_CPU_DRBL1 = (1 << 9), 163 IRQ_PCIF_TO_CPU_DRBL2 = (1 << 10), 164 IRQ_PCIF_TO_CPU_DRBL3 = (1 << 11), 165 IRQ_PCIF_DRBL0 = (1 << 12), 166 IRQ_PCIF_DRBL1 = (1 << 13), 167 IRQ_PCIF_DRBL2 = (1 << 14), 168 IRQ_PCIF_DRBL3 = (1 << 15), 169 IRQ_XOR_A = (1 << 16), 170 IRQ_XOR_B = (1 << 17), 171 IRQ_SAS_A = (1 << 18), 172 IRQ_SAS_B = (1 << 19), 173 IRQ_CPU_CNTRL = (1 << 20), 174 IRQ_GPIO = (1 << 21), 175 IRQ_UART = (1 << 22), 176 IRQ_SPI = (1 << 23), 177 IRQ_I2C = (1 << 24), 178 IRQ_SGPIO = (1 << 25), 179 IRQ_COM_ERR = (1 << 29), 180 IRQ_I2O_ERR = (1 << 30), 181 IRQ_PCIE_ERR = (1 << 31), 182 }; 183 184 union reg_phy_cfg { 185 u32 v; 186 struct { 187 u32 phy_reset:1; 188 u32 sas_support:1; 189 u32 sata_support:1; 190 u32 sata_host_mode:1; 191 /* 192 * bit 2: 6Gbps support 193 * bit 1: 3Gbps support 194 * bit 0: 1.5Gbps support 195 */ 196 u32 speed_support:3; 197 u32 snw_3_support:1; 198 u32 tx_lnk_parity:1; 199 /* 200 * bit 5: G1 (1.5Gbps) Without SSC 201 * bit 4: G1 (1.5Gbps) with SSC 202 * bit 3: G2 (3.0Gbps) Without SSC 203 * bit 2: G2 (3.0Gbps) with SSC 204 * bit 1: G3 (6.0Gbps) without SSC 205 * bit 0: G3 (6.0Gbps) with SSC 206 */ 207 u32 tx_spt_phs_lnk_rate:6; 208 /* 8h: 1.5Gbps 9h: 3Gbps Ah: 6Gbps */ 209 u32 tx_lgcl_lnk_rate:4; 210 u32 tx_ssc_type:1; 211 u32 sata_spin_up_spt:1; 212 u32 sata_spin_up_en:1; 213 u32 bypass_oob:1; 214 u32 disable_phy:1; 215 u32 rsvd:8; 216 } u; 217 }; 218 219 #define MAX_SG_ENTRY 255 220 221 struct mvs_prd_imt { 222 #ifndef __BIG_ENDIAN 223 __le32 len:22; 224 u8 _r_a:2; 225 u8 misc_ctl:4; 226 u8 inter_sel:4; 227 #else 228 u32 inter_sel:4; 229 u32 misc_ctl:4; 230 u32 _r_a:2; 231 u32 len:22; 232 #endif 233 }; 234 235 struct mvs_prd { 236 /* 64-bit buffer address */ 237 __le64 addr; 238 /* 22-bit length */ 239 __le32 im_len; 240 } __attribute__ ((packed)); 241 242 /* 243 * these registers are accessed through port vendor 244 * specific address/data registers 245 */ 246 enum sas_sata_phy_regs { 247 GENERATION_1_SETTING = 0x118, 248 GENERATION_1_2_SETTING = 0x11C, 249 GENERATION_2_3_SETTING = 0x120, 250 GENERATION_3_4_SETTING = 0x124, 251 }; 252 253 #define SPI_CTRL_REG_94XX 0xc800 254 #define SPI_ADDR_REG_94XX 0xc804 255 #define SPI_WR_DATA_REG_94XX 0xc808 256 #define SPI_RD_DATA_REG_94XX 0xc80c 257 #define SPI_CTRL_READ_94XX (1U << 2) 258 #define SPI_ADDR_VLD_94XX (1U << 1) 259 #define SPI_CTRL_SpiStart_94XX (1U << 0) 260 261 #define mv_ffc(x) ffz(x) 262 263 static inline int 264 mv_ffc64(u64 v) 265 { 266 int i; 267 i = mv_ffc((u32)v); 268 if (i >= 0) 269 return i; 270 i = mv_ffc((u32)(v>>32)); 271 272 if (i != 0) 273 return 32 + i; 274 275 return -1; 276 } 277 278 #define r_reg_set_enable(i) \ 279 (((i) > 31) ? mr32(MVS_STP_REG_SET_1) : \ 280 mr32(MVS_STP_REG_SET_0)) 281 282 #define w_reg_set_enable(i, tmp) \ 283 (((i) > 31) ? mw32(MVS_STP_REG_SET_1, tmp) : \ 284 mw32(MVS_STP_REG_SET_0, tmp)) 285 286 extern const struct mvs_dispatch mvs_94xx_dispatch; 287 #endif 288 289