Andy Yan | 20b09c2 | 2009-05-08 17:46:40 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Marvell 88SE94xx hardware specific |
| 3 | * |
| 4 | * Copyright 2007 Red Hat, Inc. |
| 5 | * Copyright 2008 Marvell. <kewei@marvell.com> |
| 6 | * |
| 7 | * This file is licensed under GPLv2. |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or |
| 10 | * modify it under the terms of the GNU General Public License as |
| 11 | * published by the Free Software Foundation; version 2 of the |
| 12 | * License. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 17 | * General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License |
| 20 | * along with this program; if not, write to the Free Software |
| 21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
| 22 | * USA |
| 23 | */ |
| 24 | |
| 25 | #include "mv_sas.h" |
| 26 | #include "mv_94xx.h" |
| 27 | #include "mv_chips.h" |
| 28 | |
| 29 | static void mvs_94xx_detect_porttype(struct mvs_info *mvi, int i) |
| 30 | { |
| 31 | u32 reg; |
| 32 | struct mvs_phy *phy = &mvi->phy[i]; |
| 33 | u32 phy_status; |
| 34 | |
| 35 | mvs_write_port_vsr_addr(mvi, i, VSR_PHY_MODE3); |
| 36 | reg = mvs_read_port_vsr_data(mvi, i); |
| 37 | phy_status = ((reg & 0x3f0000) >> 16) & 0xff; |
| 38 | phy->phy_type &= ~(PORT_TYPE_SAS | PORT_TYPE_SATA); |
| 39 | switch (phy_status) { |
| 40 | case 0x10: |
| 41 | phy->phy_type |= PORT_TYPE_SAS; |
| 42 | break; |
| 43 | case 0x1d: |
| 44 | default: |
| 45 | phy->phy_type |= PORT_TYPE_SATA; |
| 46 | break; |
| 47 | } |
| 48 | } |
| 49 | |
| 50 | static void __devinit mvs_94xx_enable_xmt(struct mvs_info *mvi, int phy_id) |
| 51 | { |
| 52 | void __iomem *regs = mvi->regs; |
| 53 | u32 tmp; |
| 54 | |
| 55 | tmp = mr32(MVS_PCS); |
| 56 | tmp |= 1 << (phy_id + PCS_EN_PORT_XMT_SHIFT2); |
| 57 | mw32(MVS_PCS, tmp); |
| 58 | } |
| 59 | |
| 60 | static void mvs_94xx_phy_reset(struct mvs_info *mvi, u32 phy_id, int hard) |
| 61 | { |
| 62 | u32 tmp; |
| 63 | |
| 64 | tmp = mvs_read_port_irq_stat(mvi, phy_id); |
| 65 | tmp &= ~PHYEV_RDY_CH; |
| 66 | mvs_write_port_irq_stat(mvi, phy_id, tmp); |
| 67 | if (hard) { |
| 68 | tmp = mvs_read_phy_ctl(mvi, phy_id); |
| 69 | tmp |= PHY_RST_HARD; |
| 70 | mvs_write_phy_ctl(mvi, phy_id, tmp); |
| 71 | do { |
| 72 | tmp = mvs_read_phy_ctl(mvi, phy_id); |
| 73 | } while (tmp & PHY_RST_HARD); |
| 74 | } else { |
| 75 | mvs_write_port_vsr_addr(mvi, phy_id, VSR_PHY_STAT); |
| 76 | tmp = mvs_read_port_vsr_data(mvi, phy_id); |
| 77 | tmp |= PHY_RST; |
| 78 | mvs_write_port_vsr_data(mvi, phy_id, tmp); |
| 79 | } |
| 80 | } |
| 81 | |
| 82 | static void mvs_94xx_phy_disable(struct mvs_info *mvi, u32 phy_id) |
| 83 | { |
| 84 | u32 tmp; |
| 85 | mvs_write_port_vsr_addr(mvi, phy_id, VSR_PHY_MODE2); |
| 86 | tmp = mvs_read_port_vsr_data(mvi, phy_id); |
| 87 | mvs_write_port_vsr_data(mvi, phy_id, tmp | 0x00800000); |
| 88 | } |
| 89 | |
| 90 | static void mvs_94xx_phy_enable(struct mvs_info *mvi, u32 phy_id) |
| 91 | { |
| 92 | mvs_write_port_vsr_addr(mvi, phy_id, 0x1B4); |
| 93 | mvs_write_port_vsr_data(mvi, phy_id, 0x8300ffc1); |
| 94 | mvs_write_port_vsr_addr(mvi, phy_id, 0x104); |
| 95 | mvs_write_port_vsr_data(mvi, phy_id, 0x00018080); |
| 96 | mvs_write_port_vsr_addr(mvi, phy_id, VSR_PHY_MODE2); |
| 97 | mvs_write_port_vsr_data(mvi, phy_id, 0x00207fff); |
| 98 | } |
| 99 | |
| 100 | static int __devinit mvs_94xx_init(struct mvs_info *mvi) |
| 101 | { |
| 102 | void __iomem *regs = mvi->regs; |
| 103 | int i; |
| 104 | u32 tmp, cctl; |
| 105 | |
| 106 | mvs_show_pcie_usage(mvi); |
| 107 | if (mvi->flags & MVF_FLAG_SOC) { |
| 108 | tmp = mr32(MVS_PHY_CTL); |
| 109 | tmp &= ~PCTL_PWR_OFF; |
| 110 | tmp |= PCTL_PHY_DSBL; |
| 111 | mw32(MVS_PHY_CTL, tmp); |
| 112 | } |
| 113 | |
| 114 | /* Init Chip */ |
| 115 | /* make sure RST is set; HBA_RST /should/ have done that for us */ |
| 116 | cctl = mr32(MVS_CTL) & 0xFFFF; |
| 117 | if (cctl & CCTL_RST) |
| 118 | cctl &= ~CCTL_RST; |
| 119 | else |
| 120 | mw32_f(MVS_CTL, cctl | CCTL_RST); |
| 121 | |
| 122 | if (mvi->flags & MVF_FLAG_SOC) { |
| 123 | tmp = mr32(MVS_PHY_CTL); |
| 124 | tmp &= ~PCTL_PWR_OFF; |
| 125 | tmp |= PCTL_COM_ON; |
| 126 | tmp &= ~PCTL_PHY_DSBL; |
| 127 | tmp |= PCTL_LINK_RST; |
| 128 | mw32(MVS_PHY_CTL, tmp); |
| 129 | msleep(100); |
| 130 | tmp &= ~PCTL_LINK_RST; |
| 131 | mw32(MVS_PHY_CTL, tmp); |
| 132 | msleep(100); |
| 133 | } |
| 134 | |
| 135 | /* reset control */ |
| 136 | mw32(MVS_PCS, 0); /* MVS_PCS */ |
| 137 | mw32(MVS_STP_REG_SET_0, 0); |
| 138 | mw32(MVS_STP_REG_SET_1, 0); |
| 139 | |
| 140 | /* init phys */ |
| 141 | mvs_phy_hacks(mvi); |
| 142 | |
| 143 | /* disable Multiplexing, enable phy implemented */ |
| 144 | mw32(MVS_PORTS_IMP, 0xFF); |
| 145 | |
| 146 | |
| 147 | mw32(MVS_PA_VSR_ADDR, 0x00000104); |
| 148 | mw32(MVS_PA_VSR_PORT, 0x00018080); |
| 149 | mw32(MVS_PA_VSR_ADDR, VSR_PHY_MODE8); |
| 150 | mw32(MVS_PA_VSR_PORT, 0x0084ffff); |
| 151 | |
| 152 | /* set LED blink when IO*/ |
| 153 | mw32(MVS_PA_VSR_ADDR, 0x00000030); |
| 154 | tmp = mr32(MVS_PA_VSR_PORT); |
| 155 | tmp &= 0xFFFF00FF; |
| 156 | tmp |= 0x00003300; |
| 157 | mw32(MVS_PA_VSR_PORT, tmp); |
| 158 | |
| 159 | mw32(MVS_CMD_LIST_LO, mvi->slot_dma); |
| 160 | mw32(MVS_CMD_LIST_HI, (mvi->slot_dma >> 16) >> 16); |
| 161 | |
| 162 | mw32(MVS_RX_FIS_LO, mvi->rx_fis_dma); |
| 163 | mw32(MVS_RX_FIS_HI, (mvi->rx_fis_dma >> 16) >> 16); |
| 164 | |
| 165 | mw32(MVS_TX_CFG, MVS_CHIP_SLOT_SZ); |
| 166 | mw32(MVS_TX_LO, mvi->tx_dma); |
| 167 | mw32(MVS_TX_HI, (mvi->tx_dma >> 16) >> 16); |
| 168 | |
| 169 | mw32(MVS_RX_CFG, MVS_RX_RING_SZ); |
| 170 | mw32(MVS_RX_LO, mvi->rx_dma); |
| 171 | mw32(MVS_RX_HI, (mvi->rx_dma >> 16) >> 16); |
| 172 | |
| 173 | for (i = 0; i < mvi->chip->n_phy; i++) { |
| 174 | mvs_94xx_phy_disable(mvi, i); |
| 175 | /* set phy local SAS address */ |
| 176 | mvs_set_sas_addr(mvi, i, CONFIG_ID_FRAME3, CONFIG_ID_FRAME4, |
| 177 | (mvi->phy[i].dev_sas_addr)); |
| 178 | |
| 179 | mvs_94xx_enable_xmt(mvi, i); |
| 180 | mvs_94xx_phy_enable(mvi, i); |
| 181 | |
| 182 | mvs_94xx_phy_reset(mvi, i, 1); |
| 183 | msleep(500); |
| 184 | mvs_94xx_detect_porttype(mvi, i); |
| 185 | } |
| 186 | |
| 187 | if (mvi->flags & MVF_FLAG_SOC) { |
| 188 | /* set select registers */ |
| 189 | writel(0x0E008000, regs + 0x000); |
| 190 | writel(0x59000008, regs + 0x004); |
| 191 | writel(0x20, regs + 0x008); |
| 192 | writel(0x20, regs + 0x00c); |
| 193 | writel(0x20, regs + 0x010); |
| 194 | writel(0x20, regs + 0x014); |
| 195 | writel(0x20, regs + 0x018); |
| 196 | writel(0x20, regs + 0x01c); |
| 197 | } |
| 198 | for (i = 0; i < mvi->chip->n_phy; i++) { |
| 199 | /* clear phy int status */ |
| 200 | tmp = mvs_read_port_irq_stat(mvi, i); |
| 201 | tmp &= ~PHYEV_SIG_FIS; |
| 202 | mvs_write_port_irq_stat(mvi, i, tmp); |
| 203 | |
| 204 | /* set phy int mask */ |
| 205 | tmp = PHYEV_RDY_CH | PHYEV_BROAD_CH | |
| 206 | PHYEV_ID_DONE | PHYEV_DCDR_ERR | PHYEV_CRC_ERR ; |
| 207 | mvs_write_port_irq_mask(mvi, i, tmp); |
| 208 | |
| 209 | msleep(100); |
| 210 | mvs_update_phyinfo(mvi, i, 1); |
| 211 | } |
| 212 | |
| 213 | /* FIXME: update wide port bitmaps */ |
| 214 | |
| 215 | /* little endian for open address and command table, etc. */ |
| 216 | /* |
| 217 | * it seems that ( from the spec ) turning on big-endian won't |
| 218 | * do us any good on big-endian machines, need further confirmation |
| 219 | */ |
| 220 | cctl = mr32(MVS_CTL); |
| 221 | cctl |= CCTL_ENDIAN_CMD; |
| 222 | cctl |= CCTL_ENDIAN_DATA; |
| 223 | cctl &= ~CCTL_ENDIAN_OPEN; |
| 224 | cctl |= CCTL_ENDIAN_RSP; |
| 225 | mw32_f(MVS_CTL, cctl); |
| 226 | |
| 227 | /* reset CMD queue */ |
| 228 | tmp = mr32(MVS_PCS); |
| 229 | tmp |= PCS_CMD_RST; |
| 230 | mw32(MVS_PCS, tmp); |
| 231 | /* interrupt coalescing may cause missing HW interrput in some case, |
| 232 | * and the max count is 0x1ff, while our max slot is 0x200, |
| 233 | * it will make count 0. |
| 234 | */ |
| 235 | tmp = 0; |
| 236 | mw32(MVS_INT_COAL, tmp); |
| 237 | |
| 238 | tmp = 0x100; |
| 239 | mw32(MVS_INT_COAL_TMOUT, tmp); |
| 240 | |
| 241 | /* ladies and gentlemen, start your engines */ |
| 242 | mw32(MVS_TX_CFG, 0); |
| 243 | mw32(MVS_TX_CFG, MVS_CHIP_SLOT_SZ | TX_EN); |
| 244 | mw32(MVS_RX_CFG, MVS_RX_RING_SZ | RX_EN); |
| 245 | /* enable CMD/CMPL_Q/RESP mode */ |
| 246 | mw32(MVS_PCS, PCS_SATA_RETRY_2 | PCS_FIS_RX_EN | |
| 247 | PCS_CMD_EN | PCS_CMD_STOP_ERR); |
| 248 | |
| 249 | /* enable completion queue interrupt */ |
| 250 | tmp = (CINT_PORT_MASK | CINT_DONE | CINT_MEM | CINT_SRS | CINT_CI_STOP | |
| 251 | CINT_DMA_PCIE); |
| 252 | tmp |= CINT_PHY_MASK; |
| 253 | mw32(MVS_INT_MASK, tmp); |
| 254 | |
| 255 | /* Enable SRS interrupt */ |
| 256 | mw32(MVS_INT_MASK_SRS_0, 0xFFFF); |
| 257 | |
| 258 | return 0; |
| 259 | } |
| 260 | |
| 261 | static int mvs_94xx_ioremap(struct mvs_info *mvi) |
| 262 | { |
| 263 | if (!mvs_ioremap(mvi, 2, -1)) { |
| 264 | mvi->regs_ex = mvi->regs + 0x10200; |
| 265 | mvi->regs += 0x20000; |
| 266 | if (mvi->id == 1) |
| 267 | mvi->regs += 0x4000; |
| 268 | return 0; |
| 269 | } |
| 270 | return -1; |
| 271 | } |
| 272 | |
| 273 | static void mvs_94xx_iounmap(struct mvs_info *mvi) |
| 274 | { |
| 275 | if (mvi->regs) { |
| 276 | mvi->regs -= 0x20000; |
| 277 | if (mvi->id == 1) |
| 278 | mvi->regs -= 0x4000; |
| 279 | mvs_iounmap(mvi->regs); |
| 280 | } |
| 281 | } |
| 282 | |
| 283 | static void mvs_94xx_interrupt_enable(struct mvs_info *mvi) |
| 284 | { |
| 285 | void __iomem *regs = mvi->regs_ex; |
| 286 | u32 tmp; |
| 287 | |
| 288 | tmp = mr32(MVS_GBL_CTL); |
| 289 | tmp |= (IRQ_SAS_A | IRQ_SAS_B); |
| 290 | mw32(MVS_GBL_INT_STAT, tmp); |
| 291 | writel(tmp, regs + 0x0C); |
| 292 | writel(tmp, regs + 0x10); |
| 293 | writel(tmp, regs + 0x14); |
| 294 | writel(tmp, regs + 0x18); |
| 295 | mw32(MVS_GBL_CTL, tmp); |
| 296 | } |
| 297 | |
| 298 | static void mvs_94xx_interrupt_disable(struct mvs_info *mvi) |
| 299 | { |
| 300 | void __iomem *regs = mvi->regs_ex; |
| 301 | u32 tmp; |
| 302 | |
| 303 | tmp = mr32(MVS_GBL_CTL); |
| 304 | |
| 305 | tmp &= ~(IRQ_SAS_A | IRQ_SAS_B); |
| 306 | mw32(MVS_GBL_INT_STAT, tmp); |
| 307 | writel(tmp, regs + 0x0C); |
| 308 | writel(tmp, regs + 0x10); |
| 309 | writel(tmp, regs + 0x14); |
| 310 | writel(tmp, regs + 0x18); |
| 311 | mw32(MVS_GBL_CTL, tmp); |
| 312 | } |
| 313 | |
| 314 | static u32 mvs_94xx_isr_status(struct mvs_info *mvi, int irq) |
| 315 | { |
| 316 | void __iomem *regs = mvi->regs_ex; |
| 317 | u32 stat = 0; |
| 318 | if (!(mvi->flags & MVF_FLAG_SOC)) { |
| 319 | stat = mr32(MVS_GBL_INT_STAT); |
| 320 | |
| 321 | if (!(stat & (IRQ_SAS_A | IRQ_SAS_B))) |
| 322 | return 0; |
| 323 | } |
| 324 | return stat; |
| 325 | } |
| 326 | |
| 327 | static irqreturn_t mvs_94xx_isr(struct mvs_info *mvi, int irq, u32 stat) |
| 328 | { |
| 329 | void __iomem *regs = mvi->regs; |
| 330 | |
| 331 | if (((stat & IRQ_SAS_A) && mvi->id == 0) || |
| 332 | ((stat & IRQ_SAS_B) && mvi->id == 1)) { |
| 333 | mw32_f(MVS_INT_STAT, CINT_DONE); |
| 334 | #ifndef MVS_USE_TASKLET |
| 335 | spin_lock(&mvi->lock); |
| 336 | #endif |
| 337 | mvs_int_full(mvi); |
| 338 | #ifndef MVS_USE_TASKLET |
| 339 | spin_unlock(&mvi->lock); |
| 340 | #endif |
| 341 | } |
| 342 | return IRQ_HANDLED; |
| 343 | } |
| 344 | |
| 345 | static void mvs_94xx_command_active(struct mvs_info *mvi, u32 slot_idx) |
| 346 | { |
| 347 | u32 tmp; |
| 348 | mvs_cw32(mvi, 0x300 + (slot_idx >> 3), 1 << (slot_idx % 32)); |
| 349 | do { |
| 350 | tmp = mvs_cr32(mvi, 0x300 + (slot_idx >> 3)); |
| 351 | } while (tmp & 1 << (slot_idx % 32)); |
| 352 | } |
| 353 | |
| 354 | static void mvs_94xx_issue_stop(struct mvs_info *mvi, enum mvs_port_type type, |
| 355 | u32 tfs) |
| 356 | { |
| 357 | void __iomem *regs = mvi->regs; |
| 358 | u32 tmp; |
| 359 | |
| 360 | if (type == PORT_TYPE_SATA) { |
| 361 | tmp = mr32(MVS_INT_STAT_SRS_0) | (1U << tfs); |
| 362 | mw32(MVS_INT_STAT_SRS_0, tmp); |
| 363 | } |
| 364 | mw32(MVS_INT_STAT, CINT_CI_STOP); |
| 365 | tmp = mr32(MVS_PCS) | 0xFF00; |
| 366 | mw32(MVS_PCS, tmp); |
| 367 | } |
| 368 | |
| 369 | static void mvs_94xx_free_reg_set(struct mvs_info *mvi, u8 *tfs) |
| 370 | { |
| 371 | void __iomem *regs = mvi->regs; |
| 372 | u32 tmp; |
| 373 | u8 reg_set = *tfs; |
| 374 | |
| 375 | if (*tfs == MVS_ID_NOT_MAPPED) |
| 376 | return; |
| 377 | |
| 378 | mvi->sata_reg_set &= ~bit(reg_set); |
| 379 | if (reg_set < 32) { |
| 380 | w_reg_set_enable(reg_set, (u32)mvi->sata_reg_set); |
| 381 | tmp = mr32(MVS_INT_STAT_SRS_0) & (u32)mvi->sata_reg_set; |
| 382 | if (tmp) |
| 383 | mw32(MVS_INT_STAT_SRS_0, tmp); |
| 384 | } else { |
| 385 | w_reg_set_enable(reg_set, mvi->sata_reg_set); |
| 386 | tmp = mr32(MVS_INT_STAT_SRS_1) & mvi->sata_reg_set; |
| 387 | if (tmp) |
| 388 | mw32(MVS_INT_STAT_SRS_1, tmp); |
| 389 | } |
| 390 | |
| 391 | *tfs = MVS_ID_NOT_MAPPED; |
| 392 | |
| 393 | return; |
| 394 | } |
| 395 | |
| 396 | static u8 mvs_94xx_assign_reg_set(struct mvs_info *mvi, u8 *tfs) |
| 397 | { |
| 398 | int i; |
| 399 | void __iomem *regs = mvi->regs; |
| 400 | |
| 401 | if (*tfs != MVS_ID_NOT_MAPPED) |
| 402 | return 0; |
| 403 | |
| 404 | i = mv_ffc64(mvi->sata_reg_set); |
| 405 | if (i > 32) { |
| 406 | mvi->sata_reg_set |= bit(i); |
| 407 | w_reg_set_enable(i, (u32)(mvi->sata_reg_set >> 32)); |
| 408 | *tfs = i; |
| 409 | return 0; |
| 410 | } else if (i >= 0) { |
| 411 | mvi->sata_reg_set |= bit(i); |
| 412 | w_reg_set_enable(i, (u32)mvi->sata_reg_set); |
| 413 | *tfs = i; |
| 414 | return 0; |
| 415 | } |
| 416 | return MVS_ID_NOT_MAPPED; |
| 417 | } |
| 418 | |
| 419 | static void mvs_94xx_make_prd(struct scatterlist *scatter, int nr, void *prd) |
| 420 | { |
| 421 | int i; |
| 422 | struct scatterlist *sg; |
| 423 | struct mvs_prd *buf_prd = prd; |
| 424 | for_each_sg(scatter, sg, nr, i) { |
| 425 | buf_prd->addr = cpu_to_le64(sg_dma_address(sg)); |
| 426 | buf_prd->im_len.len = cpu_to_le32(sg_dma_len(sg)); |
| 427 | buf_prd++; |
| 428 | } |
| 429 | } |
| 430 | |
| 431 | static int mvs_94xx_oob_done(struct mvs_info *mvi, int i) |
| 432 | { |
| 433 | u32 phy_st; |
| 434 | phy_st = mvs_read_phy_ctl(mvi, i); |
| 435 | if (phy_st & PHY_READY_MASK) /* phy ready */ |
| 436 | return 1; |
| 437 | return 0; |
| 438 | } |
| 439 | |
| 440 | static void mvs_94xx_get_dev_identify_frame(struct mvs_info *mvi, int port_id, |
| 441 | struct sas_identify_frame *id) |
| 442 | { |
| 443 | int i; |
| 444 | u32 id_frame[7]; |
| 445 | |
| 446 | for (i = 0; i < 7; i++) { |
| 447 | mvs_write_port_cfg_addr(mvi, port_id, |
| 448 | CONFIG_ID_FRAME0 + i * 4); |
| 449 | id_frame[i] = mvs_read_port_cfg_data(mvi, port_id); |
| 450 | } |
| 451 | memcpy(id, id_frame, 28); |
| 452 | } |
| 453 | |
| 454 | static void mvs_94xx_get_att_identify_frame(struct mvs_info *mvi, int port_id, |
| 455 | struct sas_identify_frame *id) |
| 456 | { |
| 457 | int i; |
| 458 | u32 id_frame[7]; |
| 459 | |
| 460 | /* mvs_hexdump(28, (u8 *)id_frame, 0); */ |
| 461 | for (i = 0; i < 7; i++) { |
| 462 | mvs_write_port_cfg_addr(mvi, port_id, |
| 463 | CONFIG_ATT_ID_FRAME0 + i * 4); |
| 464 | id_frame[i] = mvs_read_port_cfg_data(mvi, port_id); |
| 465 | mv_dprintk("94xx phy %d atta frame %d %x.\n", |
| 466 | port_id + mvi->id * mvi->chip->n_phy, i, id_frame[i]); |
| 467 | } |
| 468 | /* mvs_hexdump(28, (u8 *)id_frame, 0); */ |
| 469 | memcpy(id, id_frame, 28); |
| 470 | } |
| 471 | |
| 472 | static u32 mvs_94xx_make_dev_info(struct sas_identify_frame *id) |
| 473 | { |
| 474 | u32 att_dev_info = 0; |
| 475 | |
| 476 | att_dev_info |= id->dev_type; |
| 477 | if (id->stp_iport) |
| 478 | att_dev_info |= PORT_DEV_STP_INIT; |
| 479 | if (id->smp_iport) |
| 480 | att_dev_info |= PORT_DEV_SMP_INIT; |
| 481 | if (id->ssp_iport) |
| 482 | att_dev_info |= PORT_DEV_SSP_INIT; |
| 483 | if (id->stp_tport) |
| 484 | att_dev_info |= PORT_DEV_STP_TRGT; |
| 485 | if (id->smp_tport) |
| 486 | att_dev_info |= PORT_DEV_SMP_TRGT; |
| 487 | if (id->ssp_tport) |
| 488 | att_dev_info |= PORT_DEV_SSP_TRGT; |
| 489 | |
| 490 | att_dev_info |= (u32)id->phy_id<<24; |
| 491 | return att_dev_info; |
| 492 | } |
| 493 | |
| 494 | static u32 mvs_94xx_make_att_info(struct sas_identify_frame *id) |
| 495 | { |
| 496 | return mvs_94xx_make_dev_info(id); |
| 497 | } |
| 498 | |
| 499 | static void mvs_94xx_fix_phy_info(struct mvs_info *mvi, int i, |
| 500 | struct sas_identify_frame *id) |
| 501 | { |
| 502 | struct mvs_phy *phy = &mvi->phy[i]; |
| 503 | struct asd_sas_phy *sas_phy = &phy->sas_phy; |
| 504 | mv_dprintk("get all reg link rate is 0x%x\n", phy->phy_status); |
| 505 | sas_phy->linkrate = |
| 506 | (phy->phy_status & PHY_NEG_SPP_PHYS_LINK_RATE_MASK) >> |
| 507 | PHY_NEG_SPP_PHYS_LINK_RATE_MASK_OFFSET; |
| 508 | sas_phy->linkrate += 0x8; |
| 509 | mv_dprintk("get link rate is %d\n", sas_phy->linkrate); |
| 510 | phy->minimum_linkrate = SAS_LINK_RATE_1_5_GBPS; |
| 511 | phy->maximum_linkrate = SAS_LINK_RATE_6_0_GBPS; |
| 512 | mvs_94xx_get_dev_identify_frame(mvi, i, id); |
| 513 | phy->dev_info = mvs_94xx_make_dev_info(id); |
| 514 | |
| 515 | if (phy->phy_type & PORT_TYPE_SAS) { |
| 516 | mvs_94xx_get_att_identify_frame(mvi, i, id); |
| 517 | phy->att_dev_info = mvs_94xx_make_att_info(id); |
| 518 | phy->att_dev_sas_addr = *(u64 *)id->sas_addr; |
| 519 | } else { |
| 520 | phy->att_dev_info = PORT_DEV_STP_TRGT | 1; |
| 521 | } |
| 522 | |
| 523 | } |
| 524 | |
| 525 | void mvs_94xx_phy_set_link_rate(struct mvs_info *mvi, u32 phy_id, |
| 526 | struct sas_phy_linkrates *rates) |
| 527 | { |
| 528 | /* TODO */ |
| 529 | } |
| 530 | |
| 531 | static void mvs_94xx_clear_active_cmds(struct mvs_info *mvi) |
| 532 | { |
| 533 | u32 tmp; |
| 534 | void __iomem *regs = mvi->regs; |
| 535 | tmp = mr32(MVS_STP_REG_SET_0); |
| 536 | mw32(MVS_STP_REG_SET_0, 0); |
| 537 | mw32(MVS_STP_REG_SET_0, tmp); |
| 538 | tmp = mr32(MVS_STP_REG_SET_1); |
| 539 | mw32(MVS_STP_REG_SET_1, 0); |
| 540 | mw32(MVS_STP_REG_SET_1, tmp); |
| 541 | } |
| 542 | |
| 543 | |
| 544 | u32 mvs_94xx_spi_read_data(struct mvs_info *mvi) |
| 545 | { |
| 546 | void __iomem *regs = mvi->regs_ex - 0x10200; |
| 547 | return mr32(SPI_RD_DATA_REG_94XX); |
| 548 | } |
| 549 | |
| 550 | void mvs_94xx_spi_write_data(struct mvs_info *mvi, u32 data) |
| 551 | { |
| 552 | void __iomem *regs = mvi->regs_ex - 0x10200; |
| 553 | mw32(SPI_RD_DATA_REG_94XX, data); |
| 554 | } |
| 555 | |
| 556 | |
| 557 | int mvs_94xx_spi_buildcmd(struct mvs_info *mvi, |
| 558 | u32 *dwCmd, |
| 559 | u8 cmd, |
| 560 | u8 read, |
| 561 | u8 length, |
| 562 | u32 addr |
| 563 | ) |
| 564 | { |
| 565 | void __iomem *regs = mvi->regs_ex - 0x10200; |
| 566 | u32 dwTmp; |
| 567 | |
| 568 | dwTmp = ((u32)cmd << 8) | ((u32)length << 4); |
| 569 | if (read) |
| 570 | dwTmp |= SPI_CTRL_READ_94XX; |
| 571 | |
| 572 | if (addr != MV_MAX_U32) { |
| 573 | mw32(SPI_ADDR_REG_94XX, (addr & 0x0003FFFFL)); |
| 574 | dwTmp |= SPI_ADDR_VLD_94XX; |
| 575 | } |
| 576 | |
| 577 | *dwCmd = dwTmp; |
| 578 | return 0; |
| 579 | } |
| 580 | |
| 581 | |
| 582 | int mvs_94xx_spi_issuecmd(struct mvs_info *mvi, u32 cmd) |
| 583 | { |
| 584 | void __iomem *regs = mvi->regs_ex - 0x10200; |
| 585 | mw32(SPI_CTRL_REG_94XX, cmd | SPI_CTRL_SpiStart_94XX); |
| 586 | |
| 587 | return 0; |
| 588 | } |
| 589 | |
| 590 | int mvs_94xx_spi_waitdataready(struct mvs_info *mvi, u32 timeout) |
| 591 | { |
| 592 | void __iomem *regs = mvi->regs_ex - 0x10200; |
| 593 | u32 i, dwTmp; |
| 594 | |
| 595 | for (i = 0; i < timeout; i++) { |
| 596 | dwTmp = mr32(SPI_CTRL_REG_94XX); |
| 597 | if (!(dwTmp & SPI_CTRL_SpiStart_94XX)) |
| 598 | return 0; |
| 599 | msleep(10); |
| 600 | } |
| 601 | |
| 602 | return -1; |
| 603 | } |
| 604 | |
| 605 | #ifndef DISABLE_HOTPLUG_DMA_FIX |
| 606 | void mvs_94xx_fix_dma(dma_addr_t buf_dma, int buf_len, int from, void *prd) |
| 607 | { |
| 608 | int i; |
| 609 | struct mvs_prd *buf_prd = prd; |
| 610 | buf_prd += from; |
| 611 | for (i = 0; i < MAX_SG_ENTRY - from; i++) { |
| 612 | buf_prd->addr = cpu_to_le64(buf_dma); |
| 613 | buf_prd->im_len.len = cpu_to_le32(buf_len); |
| 614 | ++buf_prd; |
| 615 | } |
| 616 | } |
| 617 | #endif |
| 618 | |
| 619 | const struct mvs_dispatch mvs_94xx_dispatch = { |
| 620 | "mv94xx", |
| 621 | mvs_94xx_init, |
| 622 | NULL, |
| 623 | mvs_94xx_ioremap, |
| 624 | mvs_94xx_iounmap, |
| 625 | mvs_94xx_isr, |
| 626 | mvs_94xx_isr_status, |
| 627 | mvs_94xx_interrupt_enable, |
| 628 | mvs_94xx_interrupt_disable, |
| 629 | mvs_read_phy_ctl, |
| 630 | mvs_write_phy_ctl, |
| 631 | mvs_read_port_cfg_data, |
| 632 | mvs_write_port_cfg_data, |
| 633 | mvs_write_port_cfg_addr, |
| 634 | mvs_read_port_vsr_data, |
| 635 | mvs_write_port_vsr_data, |
| 636 | mvs_write_port_vsr_addr, |
| 637 | mvs_read_port_irq_stat, |
| 638 | mvs_write_port_irq_stat, |
| 639 | mvs_read_port_irq_mask, |
| 640 | mvs_write_port_irq_mask, |
| 641 | mvs_get_sas_addr, |
| 642 | mvs_94xx_command_active, |
| 643 | mvs_94xx_issue_stop, |
| 644 | mvs_start_delivery, |
| 645 | mvs_rx_update, |
| 646 | mvs_int_full, |
| 647 | mvs_94xx_assign_reg_set, |
| 648 | mvs_94xx_free_reg_set, |
| 649 | mvs_get_prd_size, |
| 650 | mvs_get_prd_count, |
| 651 | mvs_94xx_make_prd, |
| 652 | mvs_94xx_detect_porttype, |
| 653 | mvs_94xx_oob_done, |
| 654 | mvs_94xx_fix_phy_info, |
| 655 | NULL, |
| 656 | mvs_94xx_phy_set_link_rate, |
| 657 | mvs_hw_max_link_rate, |
| 658 | mvs_94xx_phy_disable, |
| 659 | mvs_94xx_phy_enable, |
| 660 | mvs_94xx_phy_reset, |
| 661 | NULL, |
| 662 | mvs_94xx_clear_active_cmds, |
| 663 | mvs_94xx_spi_read_data, |
| 664 | mvs_94xx_spi_write_data, |
| 665 | mvs_94xx_spi_buildcmd, |
| 666 | mvs_94xx_spi_issuecmd, |
| 667 | mvs_94xx_spi_waitdataready, |
| 668 | #ifndef DISABLE_HOTPLUG_DMA_FIX |
| 669 | mvs_94xx_fix_dma, |
| 670 | #endif |
| 671 | }; |
| 672 | |