Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 1 | /* |
Kumar Gala | eb453df | 2010-04-20 10:21:25 -0500 | [diff] [blame] | 2 | * Copyright (C) 2008,2010 Freescale Semiconductor, Inc. |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 3 | * Dave Liu <daveliu@freescale.com> |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or |
| 6 | * modify it under the terms of the GNU General Public License as |
| 7 | * published by the Free Software Foundation; either version 2 of |
| 8 | * the License, or (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 18 | * MA 02111-1307 USA |
| 19 | */ |
| 20 | |
| 21 | #include <common.h> |
| 22 | #include <command.h> |
| 23 | #include <asm/io.h> |
Dave Liu | b9674d0 | 2010-04-12 14:23:25 +0800 | [diff] [blame] | 24 | #include <asm/processor.h> |
Kumar Gala | eb453df | 2010-04-20 10:21:25 -0500 | [diff] [blame] | 25 | #include <asm/fsl_serdes.h> |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 26 | #include <malloc.h> |
| 27 | #include <libata.h> |
| 28 | #include <fis.h> |
| 29 | #include "fsl_sata.h" |
| 30 | |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 31 | extern block_dev_desc_t sata_dev_desc[CONFIG_SYS_SATA_MAX_DEVICE]; |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 32 | |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 33 | #ifndef CONFIG_SYS_SATA1_FLAGS |
| 34 | #define CONFIG_SYS_SATA1_FLAGS FLAGS_DMA |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 35 | #endif |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 36 | #ifndef CONFIG_SYS_SATA2_FLAGS |
| 37 | #define CONFIG_SYS_SATA2_FLAGS FLAGS_DMA |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 38 | #endif |
| 39 | |
| 40 | static struct fsl_sata_info fsl_sata_info[] = { |
| 41 | #ifdef CONFIG_SATA1 |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 42 | {CONFIG_SYS_SATA1, CONFIG_SYS_SATA1_FLAGS}, |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 43 | #else |
| 44 | {0, 0}, |
| 45 | #endif |
| 46 | #ifdef CONFIG_SATA2 |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 47 | {CONFIG_SYS_SATA2, CONFIG_SYS_SATA2_FLAGS}, |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 48 | #else |
| 49 | {0, 0}, |
| 50 | #endif |
| 51 | }; |
| 52 | |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 53 | static inline void sdelay(unsigned long sec) |
| 54 | { |
| 55 | unsigned long i; |
| 56 | for (i = 0; i < sec; i++) |
| 57 | mdelay(1000); |
| 58 | } |
| 59 | |
| 60 | void dprint_buffer(unsigned char *buf, int len) |
| 61 | { |
| 62 | int i, j; |
| 63 | |
| 64 | i = 0; |
| 65 | j = 0; |
| 66 | printf("\n\r"); |
| 67 | |
| 68 | for (i = 0; i < len; i++) { |
| 69 | printf("%02x ", *buf++); |
| 70 | j++; |
| 71 | if (j == 16) { |
| 72 | printf("\n\r"); |
| 73 | j = 0; |
| 74 | } |
| 75 | } |
| 76 | printf("\n\r"); |
| 77 | } |
| 78 | |
galak | 18cf84a | 2009-07-07 15:53:21 -0500 | [diff] [blame] | 79 | static void fsl_sata_dump_sfis(struct sata_fis_d2h *s) |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 80 | { |
| 81 | printf("Status FIS dump:\n\r"); |
| 82 | printf("fis_type: %02x\n\r", s->fis_type); |
| 83 | printf("pm_port_i: %02x\n\r", s->pm_port_i); |
| 84 | printf("status: %02x\n\r", s->status); |
| 85 | printf("error: %02x\n\r", s->error); |
| 86 | printf("lba_low: %02x\n\r", s->lba_low); |
| 87 | printf("lba_mid: %02x\n\r", s->lba_mid); |
| 88 | printf("lba_high: %02x\n\r", s->lba_high); |
| 89 | printf("device: %02x\n\r", s->device); |
| 90 | printf("lba_low_exp: %02x\n\r", s->lba_low_exp); |
| 91 | printf("lba_mid_exp: %02x\n\r", s->lba_mid_exp); |
| 92 | printf("lba_high_exp: %02x\n\r", s->lba_high_exp); |
| 93 | printf("res1: %02x\n\r", s->res1); |
| 94 | printf("sector_count: %02x\n\r", s->sector_count); |
| 95 | printf("sector_count_exp: %02x\n\r", s->sector_count_exp); |
| 96 | } |
| 97 | |
| 98 | static int ata_wait_register(volatile unsigned *addr, u32 mask, |
| 99 | u32 val, u32 timeout_msec) |
| 100 | { |
| 101 | int i; |
| 102 | u32 temp; |
| 103 | |
| 104 | for (i = 0; (((temp = in_le32(addr)) & mask) != val) |
| 105 | && i < timeout_msec; i++) |
| 106 | mdelay(1); |
| 107 | return (i < timeout_msec) ? 0 : -1; |
| 108 | } |
| 109 | |
| 110 | int init_sata(int dev) |
| 111 | { |
| 112 | u32 length, align; |
| 113 | cmd_hdr_tbl_t *cmd_hdr; |
| 114 | u32 cda; |
| 115 | u32 val32; |
| 116 | fsl_sata_reg_t *reg; |
| 117 | u32 sig; |
| 118 | int i; |
| 119 | fsl_sata_t *sata; |
| 120 | |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 121 | if (dev < 0 || dev > (CONFIG_SYS_SATA_MAX_DEVICE - 1)) { |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 122 | printf("the sata index %d is out of ranges\n\r", dev); |
| 123 | return -1; |
| 124 | } |
| 125 | |
Kumar Gala | eb453df | 2010-04-20 10:21:25 -0500 | [diff] [blame] | 126 | #ifdef CONFIG_MPC85xx |
| 127 | if ((dev == 0) && (!is_serdes_configured(SATA1))) { |
| 128 | printf("SATA%d [dev = %d] is not enabled\n", dev+1, dev); |
| 129 | return -1; |
| 130 | } |
| 131 | if ((dev == 1) && (!is_serdes_configured(SATA2))) { |
| 132 | printf("SATA%d [dev = %d] is not enabled\n", dev+1, dev); |
| 133 | return -1; |
| 134 | } |
| 135 | #endif |
| 136 | |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 137 | /* Allocate SATA device driver struct */ |
| 138 | sata = (fsl_sata_t *)malloc(sizeof(fsl_sata_t)); |
| 139 | if (!sata) { |
| 140 | printf("alloc the sata device struct failed\n\r"); |
| 141 | return -1; |
| 142 | } |
| 143 | /* Zero all of the device driver struct */ |
| 144 | memset((void *)sata, 0, sizeof(fsl_sata_t)); |
| 145 | |
| 146 | /* Save the private struct to block device struct */ |
| 147 | sata_dev_desc[dev].priv = (void *)sata; |
| 148 | |
| 149 | sprintf(sata->name, "SATA%d", dev); |
| 150 | |
| 151 | /* Set the controller register base address to device struct */ |
| 152 | reg = (fsl_sata_reg_t *)(fsl_sata_info[dev].sata_reg_base); |
| 153 | sata->reg_base = reg; |
| 154 | |
| 155 | /* Allocate the command header table, 4 bytes aligned */ |
| 156 | length = sizeof(struct cmd_hdr_tbl); |
| 157 | align = SATA_HC_CMD_HDR_TBL_ALIGN; |
| 158 | sata->cmd_hdr_tbl_offset = (void *)malloc(length + align); |
| 159 | if (!sata) { |
| 160 | printf("alloc the command header failed\n\r"); |
| 161 | return -1; |
| 162 | } |
| 163 | |
| 164 | cmd_hdr = (cmd_hdr_tbl_t *)(((u32)sata->cmd_hdr_tbl_offset + align) |
| 165 | & ~(align - 1)); |
| 166 | sata->cmd_hdr = cmd_hdr; |
| 167 | |
| 168 | /* Zero all of the command header table */ |
| 169 | memset((void *)sata->cmd_hdr_tbl_offset, 0, length + align); |
| 170 | |
| 171 | /* Allocate command descriptor for all command */ |
| 172 | length = sizeof(struct cmd_desc) * SATA_HC_MAX_CMD; |
| 173 | align = SATA_HC_CMD_DESC_ALIGN; |
| 174 | sata->cmd_desc_offset = (void *)malloc(length + align); |
| 175 | if (!sata->cmd_desc_offset) { |
| 176 | printf("alloc the command descriptor failed\n\r"); |
| 177 | return -1; |
| 178 | } |
| 179 | sata->cmd_desc = (cmd_desc_t *)(((u32)sata->cmd_desc_offset + align) |
| 180 | & ~(align - 1)); |
| 181 | /* Zero all of command descriptor */ |
| 182 | memset((void *)sata->cmd_desc_offset, 0, length + align); |
| 183 | |
| 184 | /* Link the command descriptor to command header */ |
| 185 | for (i = 0; i < SATA_HC_MAX_CMD; i++) { |
| 186 | cda = ((u32)sata->cmd_desc + SATA_HC_CMD_DESC_SIZE * i) |
| 187 | & ~(CMD_HDR_CDA_ALIGN - 1); |
| 188 | cmd_hdr->cmd_slot[i].cda = cpu_to_le32(cda); |
| 189 | } |
| 190 | |
| 191 | /* To have safe state, force the controller offline */ |
| 192 | val32 = in_le32(®->hcontrol); |
| 193 | val32 &= ~HCONTROL_ONOFF; |
| 194 | val32 |= HCONTROL_FORCE_OFFLINE; |
| 195 | out_le32(®->hcontrol, val32); |
| 196 | |
| 197 | /* Wait the controller offline */ |
| 198 | ata_wait_register(®->hstatus, HSTATUS_ONOFF, 0, 1000); |
| 199 | |
| 200 | /* Set the command header base address to CHBA register to tell DMA */ |
| 201 | out_le32(®->chba, (u32)cmd_hdr & ~0x3); |
| 202 | |
| 203 | /* Snoop for the command header */ |
| 204 | val32 = in_le32(®->hcontrol); |
| 205 | val32 |= HCONTROL_HDR_SNOOP; |
| 206 | out_le32(®->hcontrol, val32); |
| 207 | |
| 208 | /* Disable all of interrupts */ |
| 209 | val32 = in_le32(®->hcontrol); |
| 210 | val32 &= ~HCONTROL_INT_EN_ALL; |
| 211 | out_le32(®->hcontrol, val32); |
| 212 | |
| 213 | /* Clear all of interrupts */ |
| 214 | val32 = in_le32(®->hstatus); |
| 215 | out_le32(®->hstatus, val32); |
| 216 | |
| 217 | /* Set the ICC, no interrupt coalescing */ |
| 218 | out_le32(®->icc, 0x01000000); |
| 219 | |
| 220 | /* No PM attatched, the SATA device direct connect */ |
| 221 | out_le32(®->cqpmp, 0); |
| 222 | |
| 223 | /* Clear SError register */ |
| 224 | val32 = in_le32(®->serror); |
| 225 | out_le32(®->serror, val32); |
| 226 | |
| 227 | /* Clear CER register */ |
| 228 | val32 = in_le32(®->cer); |
| 229 | out_le32(®->cer, val32); |
| 230 | |
| 231 | /* Clear DER register */ |
| 232 | val32 = in_le32(®->der); |
| 233 | out_le32(®->der, val32); |
| 234 | |
| 235 | /* No device detection or initialization action requested */ |
| 236 | out_le32(®->scontrol, 0x00000300); |
| 237 | |
| 238 | /* Configure the transport layer, default value */ |
| 239 | out_le32(®->transcfg, 0x08000016); |
| 240 | |
| 241 | /* Configure the link layer, default value */ |
| 242 | out_le32(®->linkcfg, 0x0000ff34); |
| 243 | |
| 244 | /* Bring the controller online */ |
| 245 | val32 = in_le32(®->hcontrol); |
| 246 | val32 |= HCONTROL_ONOFF; |
| 247 | out_le32(®->hcontrol, val32); |
| 248 | |
| 249 | mdelay(100); |
| 250 | |
| 251 | /* print sata device name */ |
| 252 | if (!dev) |
| 253 | printf("%s ", sata->name); |
| 254 | else |
| 255 | printf(" %s ", sata->name); |
| 256 | |
Dave Liu | 4d9c188 | 2008-06-03 17:38:19 +0800 | [diff] [blame] | 257 | /* Wait PHY RDY signal changed for 500ms */ |
| 258 | ata_wait_register(®->hstatus, HSTATUS_PHY_RDY, |
| 259 | HSTATUS_PHY_RDY, 500); |
| 260 | |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 261 | /* Check PHYRDY */ |
| 262 | val32 = in_le32(®->hstatus); |
| 263 | if (val32 & HSTATUS_PHY_RDY) { |
| 264 | sata->link = 1; |
| 265 | } else { |
| 266 | sata->link = 0; |
| 267 | printf("(No RDY)\n\r"); |
| 268 | return -1; |
| 269 | } |
| 270 | |
Dave Liu | 4d9c188 | 2008-06-03 17:38:19 +0800 | [diff] [blame] | 271 | /* Wait for signature updated, which is 1st D2H */ |
| 272 | ata_wait_register(®->hstatus, HSTATUS_SIGNATURE, |
| 273 | HSTATUS_SIGNATURE, 10000); |
| 274 | |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 275 | if (val32 & HSTATUS_SIGNATURE) { |
| 276 | sig = in_le32(®->sig); |
| 277 | debug("Signature updated, the sig =%08x\n\r", sig); |
| 278 | sata->ata_device_type = ata_dev_classify(sig); |
| 279 | } |
| 280 | |
| 281 | /* Check the speed */ |
| 282 | val32 = in_le32(®->sstatus); |
| 283 | if ((val32 & SSTATUS_SPD_MASK) == SSTATUS_SPD_GEN1) |
| 284 | printf("(1.5 Gbps)\n\r"); |
| 285 | else if ((val32 & SSTATUS_SPD_MASK) == SSTATUS_SPD_GEN2) |
| 286 | printf("(3 Gbps)\n\r"); |
| 287 | |
| 288 | return 0; |
| 289 | } |
| 290 | |
| 291 | /* Hardware reset, like Power-on and COMRESET */ |
| 292 | void fsl_sata_hardware_reset(u32 reg_base) |
| 293 | { |
| 294 | fsl_sata_reg_t *reg = (fsl_sata_reg_t *)reg_base; |
| 295 | u32 scontrol; |
| 296 | |
| 297 | /* Disable the SATA interface and put PHY offline */ |
| 298 | scontrol = in_le32(®->scontrol); |
| 299 | scontrol = (scontrol & 0x0f0) | 0x304; |
| 300 | out_le32(®->scontrol, scontrol); |
| 301 | |
| 302 | /* No speed strict */ |
| 303 | scontrol = in_le32(®->scontrol); |
| 304 | scontrol = scontrol & ~0x0f0; |
| 305 | out_le32(®->scontrol, scontrol); |
| 306 | |
| 307 | /* Issue PHY wake/reset, Hardware_reset_asserted */ |
| 308 | scontrol = in_le32(®->scontrol); |
| 309 | scontrol = (scontrol & 0x0f0) | 0x301; |
| 310 | out_le32(®->scontrol, scontrol); |
| 311 | |
| 312 | mdelay(100); |
| 313 | |
| 314 | /* Resume PHY, COMRESET negated, the device initialize hardware |
| 315 | * and execute diagnostics, send good status-signature to host, |
| 316 | * which is D2H register FIS, and then the device enter idle state. |
| 317 | */ |
| 318 | scontrol = in_le32(®->scontrol); |
| 319 | scontrol = (scontrol & 0x0f0) | 0x300; |
| 320 | out_le32(®->scontrol, scontrol); |
| 321 | |
| 322 | mdelay(100); |
| 323 | return; |
| 324 | } |
| 325 | |
| 326 | static void fsl_sata_dump_regs(fsl_sata_reg_t *reg) |
| 327 | { |
| 328 | printf("\n\rSATA: %08x\n\r", (u32)reg); |
| 329 | printf("CQR: %08x\n\r", in_le32(®->cqr)); |
| 330 | printf("CAR: %08x\n\r", in_le32(®->car)); |
| 331 | printf("CCR: %08x\n\r", in_le32(®->ccr)); |
| 332 | printf("CER: %08x\n\r", in_le32(®->cer)); |
| 333 | printf("CQR: %08x\n\r", in_le32(®->cqr)); |
| 334 | printf("DER: %08x\n\r", in_le32(®->der)); |
| 335 | printf("CHBA: %08x\n\r", in_le32(®->chba)); |
| 336 | printf("HStatus: %08x\n\r", in_le32(®->hstatus)); |
| 337 | printf("HControl: %08x\n\r", in_le32(®->hcontrol)); |
| 338 | printf("CQPMP: %08x\n\r", in_le32(®->cqpmp)); |
| 339 | printf("SIG: %08x\n\r", in_le32(®->sig)); |
| 340 | printf("ICC: %08x\n\r", in_le32(®->icc)); |
| 341 | printf("SStatus: %08x\n\r", in_le32(®->sstatus)); |
| 342 | printf("SError: %08x\n\r", in_le32(®->serror)); |
| 343 | printf("SControl: %08x\n\r", in_le32(®->scontrol)); |
| 344 | printf("SNotification: %08x\n\r", in_le32(®->snotification)); |
| 345 | printf("TransCfg: %08x\n\r", in_le32(®->transcfg)); |
| 346 | printf("TransStatus: %08x\n\r", in_le32(®->transstatus)); |
| 347 | printf("LinkCfg: %08x\n\r", in_le32(®->linkcfg)); |
| 348 | printf("LinkCfg1: %08x\n\r", in_le32(®->linkcfg1)); |
| 349 | printf("LinkCfg2: %08x\n\r", in_le32(®->linkcfg2)); |
| 350 | printf("LinkStatus: %08x\n\r", in_le32(®->linkstatus)); |
| 351 | printf("LinkStatus1: %08x\n\r", in_le32(®->linkstatus1)); |
| 352 | printf("PhyCtrlCfg: %08x\n\r", in_le32(®->phyctrlcfg)); |
| 353 | printf("SYSPR: %08x\n\r", in_be32(®->syspr)); |
| 354 | } |
| 355 | |
galak | 18cf84a | 2009-07-07 15:53:21 -0500 | [diff] [blame] | 356 | static int fsl_ata_exec_ata_cmd(struct fsl_sata *sata, struct sata_fis_h2d *cfis, |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 357 | int is_ncq, int tag, u8 *buffer, u32 len) |
| 358 | { |
| 359 | cmd_hdr_entry_t *cmd_hdr; |
| 360 | cmd_desc_t *cmd_desc; |
| 361 | sata_fis_h2d_t *h2d; |
| 362 | prd_entry_t *prde; |
| 363 | u32 ext_c_ddc; |
| 364 | u32 prde_count; |
| 365 | u32 val32; |
| 366 | u32 ttl; |
| 367 | fsl_sata_reg_t *reg = sata->reg_base; |
| 368 | int i; |
| 369 | |
| 370 | /* Check xfer length */ |
| 371 | if (len > SATA_HC_MAX_XFER_LEN) { |
| 372 | printf("max transfer length is 64MB\n\r"); |
| 373 | return 0; |
| 374 | } |
| 375 | |
| 376 | /* Setup the command descriptor */ |
| 377 | cmd_desc = sata->cmd_desc + tag; |
| 378 | |
| 379 | /* Get the pointer cfis of command descriptor */ |
| 380 | h2d = (sata_fis_h2d_t *)cmd_desc->cfis; |
| 381 | |
| 382 | /* Zero the cfis of command descriptor */ |
| 383 | memset((void *)h2d, 0, SATA_HC_CMD_DESC_CFIS_SIZE); |
| 384 | |
| 385 | /* Copy the cfis from user to command descriptor */ |
| 386 | h2d->fis_type = cfis->fis_type; |
| 387 | h2d->pm_port_c = cfis->pm_port_c; |
| 388 | h2d->command = cfis->command; |
| 389 | |
| 390 | h2d->features = cfis->features; |
| 391 | h2d->features_exp = cfis->features_exp; |
| 392 | |
| 393 | h2d->lba_low = cfis->lba_low; |
| 394 | h2d->lba_mid = cfis->lba_mid; |
| 395 | h2d->lba_high = cfis->lba_high; |
| 396 | h2d->lba_low_exp = cfis->lba_low_exp; |
| 397 | h2d->lba_mid_exp = cfis->lba_mid_exp; |
| 398 | h2d->lba_high_exp = cfis->lba_high_exp; |
| 399 | |
| 400 | if (!is_ncq) { |
| 401 | h2d->sector_count = cfis->sector_count; |
| 402 | h2d->sector_count_exp = cfis->sector_count_exp; |
| 403 | } else { /* NCQ */ |
| 404 | h2d->sector_count = (u8)(tag << 3); |
| 405 | } |
| 406 | |
| 407 | h2d->device = cfis->device; |
| 408 | h2d->control = cfis->control; |
| 409 | |
| 410 | /* Setup the PRD table */ |
| 411 | prde = (prd_entry_t *)cmd_desc->prdt; |
| 412 | memset((void *)prde, 0, sizeof(struct prdt)); |
| 413 | |
| 414 | prde_count = 0; |
| 415 | ttl = len; |
| 416 | for (i = 0; i < SATA_HC_MAX_PRD_DIRECT; i++) { |
| 417 | if (!len) |
| 418 | break; |
| 419 | prde->dba = cpu_to_le32((u32)buffer & ~0x3); |
| 420 | debug("dba = %08x\n\r", (u32)buffer); |
| 421 | |
| 422 | if (len < PRD_ENTRY_MAX_XFER_SZ) { |
| 423 | ext_c_ddc = PRD_ENTRY_DATA_SNOOP | len; |
| 424 | debug("ext_c_ddc1 = %08x, len = %08x\n\r", ext_c_ddc, len); |
| 425 | prde->ext_c_ddc = cpu_to_le32(ext_c_ddc); |
| 426 | prde_count++; |
| 427 | prde++; |
| 428 | break; |
| 429 | } else { |
| 430 | ext_c_ddc = PRD_ENTRY_DATA_SNOOP; /* 4M bytes */ |
| 431 | debug("ext_c_ddc2 = %08x, len = %08x\n\r", ext_c_ddc, len); |
| 432 | prde->ext_c_ddc = cpu_to_le32(ext_c_ddc); |
| 433 | buffer += PRD_ENTRY_MAX_XFER_SZ; |
| 434 | len -= PRD_ENTRY_MAX_XFER_SZ; |
| 435 | prde_count++; |
| 436 | prde++; |
| 437 | } |
| 438 | } |
| 439 | |
| 440 | /* Setup the command slot of cmd hdr */ |
| 441 | cmd_hdr = (cmd_hdr_entry_t *)&sata->cmd_hdr->cmd_slot[tag]; |
| 442 | |
| 443 | cmd_hdr->cda = cpu_to_le32((u32)cmd_desc & ~0x3); |
| 444 | |
| 445 | val32 = prde_count << CMD_HDR_PRD_ENTRY_SHIFT; |
| 446 | val32 |= sizeof(sata_fis_h2d_t); |
| 447 | cmd_hdr->prde_fis_len = cpu_to_le32(val32); |
| 448 | |
| 449 | cmd_hdr->ttl = cpu_to_le32(ttl); |
| 450 | |
| 451 | if (!is_ncq) { |
| 452 | val32 = CMD_HDR_ATTR_RES | CMD_HDR_ATTR_SNOOP; |
| 453 | } else { |
| 454 | val32 = CMD_HDR_ATTR_RES | CMD_HDR_ATTR_SNOOP | CMD_HDR_ATTR_FPDMA; |
| 455 | } |
| 456 | |
| 457 | tag &= CMD_HDR_ATTR_TAG; |
| 458 | val32 |= tag; |
| 459 | |
| 460 | debug("attribute = %08x\n\r", val32); |
| 461 | cmd_hdr->attribute = cpu_to_le32(val32); |
| 462 | |
| 463 | /* Make sure cmd desc and cmd slot valid before commmand issue */ |
| 464 | sync(); |
| 465 | |
| 466 | /* PMP*/ |
| 467 | val32 = (u32)(h2d->pm_port_c & 0x0f); |
| 468 | out_le32(®->cqpmp, val32); |
| 469 | |
| 470 | /* Wait no active */ |
| 471 | if (ata_wait_register(®->car, (1 << tag), 0, 10000)) |
| 472 | printf("Wait no active time out\n\r"); |
| 473 | |
| 474 | /* Issue command */ |
| 475 | if (!(in_le32(®->cqr) & (1 << tag))) { |
| 476 | val32 = 1 << tag; |
| 477 | out_le32(®->cqr, val32); |
| 478 | } |
| 479 | |
| 480 | /* Wait command completed for 10s */ |
| 481 | if (ata_wait_register(®->ccr, (1 << tag), (1 << tag), 10000)) { |
| 482 | if (!is_ncq) |
| 483 | printf("Non-NCQ command time out\n\r"); |
| 484 | else |
| 485 | printf("NCQ command time out\n\r"); |
| 486 | } |
| 487 | |
| 488 | val32 = in_le32(®->cer); |
| 489 | |
| 490 | if (val32) { |
| 491 | u32 der; |
galak | 18cf84a | 2009-07-07 15:53:21 -0500 | [diff] [blame] | 492 | fsl_sata_dump_sfis((struct sata_fis_d2h *)cmd_desc->sfis); |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 493 | printf("CE at device\n\r"); |
| 494 | fsl_sata_dump_regs(reg); |
| 495 | der = in_le32(®->der); |
| 496 | out_le32(®->cer, val32); |
| 497 | out_le32(®->der, der); |
| 498 | } |
| 499 | |
| 500 | /* Clear complete flags */ |
| 501 | val32 = in_le32(®->ccr); |
| 502 | out_le32(®->ccr, val32); |
| 503 | |
| 504 | return len; |
| 505 | } |
| 506 | |
galak | 18cf84a | 2009-07-07 15:53:21 -0500 | [diff] [blame] | 507 | static int fsl_ata_exec_reset_cmd(struct fsl_sata *sata, struct sata_fis_h2d *cfis, |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 508 | int tag, u8 *buffer, u32 len) |
| 509 | { |
| 510 | return 0; |
| 511 | } |
| 512 | |
galak | 18cf84a | 2009-07-07 15:53:21 -0500 | [diff] [blame] | 513 | static int fsl_sata_exec_cmd(struct fsl_sata *sata, struct sata_fis_h2d *cfis, |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 514 | enum cmd_type command_type, int tag, u8 *buffer, u32 len) |
| 515 | { |
| 516 | int rc; |
| 517 | |
| 518 | if (tag > SATA_HC_MAX_CMD || tag < 0) { |
Kim Phillips | f91aa8d | 2008-07-10 14:00:15 -0500 | [diff] [blame] | 519 | printf("tag is out of range, tag=%d\n\r", tag); |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 520 | return -1; |
| 521 | } |
| 522 | |
| 523 | switch (command_type) { |
| 524 | case CMD_ATA: |
| 525 | rc = fsl_ata_exec_ata_cmd(sata, cfis, 0, tag, buffer, len); |
| 526 | return rc; |
| 527 | case CMD_RESET: |
| 528 | rc = fsl_ata_exec_reset_cmd(sata, cfis, tag, buffer, len); |
| 529 | return rc; |
| 530 | case CMD_NCQ: |
| 531 | rc = fsl_ata_exec_ata_cmd(sata, cfis, 1, tag, buffer, len); |
| 532 | return rc; |
| 533 | case CMD_ATAPI: |
| 534 | case CMD_VENDOR_BIST: |
| 535 | case CMD_BIST: |
| 536 | printf("not support now\n\r"); |
| 537 | return -1; |
| 538 | default: |
| 539 | break; |
| 540 | } |
| 541 | |
| 542 | return -1; |
| 543 | } |
| 544 | |
| 545 | static void fsl_sata_identify(int dev, u16 *id) |
| 546 | { |
| 547 | fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv; |
galak | 18cf84a | 2009-07-07 15:53:21 -0500 | [diff] [blame] | 548 | struct sata_fis_h2d h2d, *cfis = &h2d; |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 549 | |
galak | 18cf84a | 2009-07-07 15:53:21 -0500 | [diff] [blame] | 550 | memset(cfis, 0, sizeof(struct sata_fis_h2d)); |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 551 | |
| 552 | cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D; |
| 553 | cfis->pm_port_c = 0x80; /* is command */ |
| 554 | cfis->command = ATA_CMD_ID_ATA; |
| 555 | |
| 556 | fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, (u8 *)id, ATA_ID_WORDS * 2); |
| 557 | ata_swap_buf_le16(id, ATA_ID_WORDS); |
| 558 | } |
| 559 | |
| 560 | static void fsl_sata_xfer_mode(int dev, u16 *id) |
| 561 | { |
| 562 | fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv; |
| 563 | |
| 564 | sata->pio = id[ATA_ID_PIO_MODES]; |
| 565 | sata->mwdma = id[ATA_ID_MWDMA_MODES]; |
| 566 | sata->udma = id[ATA_ID_UDMA_MODES]; |
| 567 | debug("pio %04x, mwdma %04x, udma %04x\n\r", sata->pio, sata->mwdma, sata->udma); |
| 568 | } |
| 569 | |
| 570 | static void fsl_sata_set_features(int dev) |
| 571 | { |
| 572 | fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv; |
galak | 18cf84a | 2009-07-07 15:53:21 -0500 | [diff] [blame] | 573 | struct sata_fis_h2d h2d, *cfis = &h2d; |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 574 | u8 udma_cap; |
| 575 | |
galak | 18cf84a | 2009-07-07 15:53:21 -0500 | [diff] [blame] | 576 | memset(cfis, 0, sizeof(struct sata_fis_h2d)); |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 577 | |
| 578 | cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D; |
| 579 | cfis->pm_port_c = 0x80; /* is command */ |
| 580 | cfis->command = ATA_CMD_SET_FEATURES; |
| 581 | cfis->features = SETFEATURES_XFER; |
| 582 | |
| 583 | /* First check the device capablity */ |
| 584 | udma_cap = (u8)(sata->udma & 0xff); |
| 585 | debug("udma_cap %02x\n\r", udma_cap); |
| 586 | |
| 587 | if (udma_cap == ATA_UDMA6) |
| 588 | cfis->sector_count = XFER_UDMA_6; |
| 589 | if (udma_cap == ATA_UDMA5) |
| 590 | cfis->sector_count = XFER_UDMA_5; |
| 591 | if (udma_cap == ATA_UDMA4) |
| 592 | cfis->sector_count = XFER_UDMA_4; |
| 593 | if (udma_cap == ATA_UDMA3) |
| 594 | cfis->sector_count = XFER_UDMA_3; |
| 595 | |
| 596 | fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, NULL, 0); |
| 597 | } |
| 598 | |
| 599 | static u32 fsl_sata_rw_cmd(int dev, u32 start, u32 blkcnt, u8 *buffer, int is_write) |
| 600 | { |
| 601 | fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv; |
galak | 18cf84a | 2009-07-07 15:53:21 -0500 | [diff] [blame] | 602 | struct sata_fis_h2d h2d, *cfis = &h2d; |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 603 | u32 block; |
| 604 | |
| 605 | block = start; |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 606 | |
galak | 18cf84a | 2009-07-07 15:53:21 -0500 | [diff] [blame] | 607 | memset(cfis, 0, sizeof(struct sata_fis_h2d)); |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 608 | |
| 609 | cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D; |
| 610 | cfis->pm_port_c = 0x80; /* is command */ |
Dave Liu | b9342a0 | 2008-04-01 15:22:11 +0800 | [diff] [blame] | 611 | cfis->command = (is_write) ? ATA_CMD_WRITE : ATA_CMD_READ; |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 612 | cfis->device = ATA_LBA; |
| 613 | |
| 614 | cfis->device |= (block >> 24) & 0xf; |
| 615 | cfis->lba_high = (block >> 16) & 0xff; |
| 616 | cfis->lba_mid = (block >> 8) & 0xff; |
| 617 | cfis->lba_low = block & 0xff; |
| 618 | cfis->sector_count = (u8)(blkcnt & 0xff); |
| 619 | |
| 620 | fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, buffer, ATA_SECT_SIZE * blkcnt); |
| 621 | return blkcnt; |
| 622 | } |
| 623 | |
| 624 | void fsl_sata_flush_cache(int dev) |
| 625 | { |
| 626 | fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv; |
galak | 18cf84a | 2009-07-07 15:53:21 -0500 | [diff] [blame] | 627 | struct sata_fis_h2d h2d, *cfis = &h2d; |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 628 | |
galak | 18cf84a | 2009-07-07 15:53:21 -0500 | [diff] [blame] | 629 | memset(cfis, 0, sizeof(struct sata_fis_h2d)); |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 630 | |
| 631 | cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D; |
| 632 | cfis->pm_port_c = 0x80; /* is command */ |
Dave Liu | b9342a0 | 2008-04-01 15:22:11 +0800 | [diff] [blame] | 633 | cfis->command = ATA_CMD_FLUSH; |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 634 | |
| 635 | fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, NULL, 0); |
| 636 | } |
| 637 | |
| 638 | static u32 fsl_sata_rw_cmd_ext(int dev, u32 start, u32 blkcnt, u8 *buffer, int is_write) |
| 639 | { |
| 640 | fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv; |
galak | 18cf84a | 2009-07-07 15:53:21 -0500 | [diff] [blame] | 641 | struct sata_fis_h2d h2d, *cfis = &h2d; |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 642 | u64 block; |
| 643 | |
| 644 | block = (u64)start; |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 645 | |
galak | 18cf84a | 2009-07-07 15:53:21 -0500 | [diff] [blame] | 646 | memset(cfis, 0, sizeof(struct sata_fis_h2d)); |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 647 | |
| 648 | cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D; |
| 649 | cfis->pm_port_c = 0x80; /* is command */ |
| 650 | |
Dave Liu | b9342a0 | 2008-04-01 15:22:11 +0800 | [diff] [blame] | 651 | cfis->command = (is_write) ? ATA_CMD_WRITE_EXT |
| 652 | : ATA_CMD_READ_EXT; |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 653 | |
| 654 | cfis->lba_high_exp = (block >> 40) & 0xff; |
| 655 | cfis->lba_mid_exp = (block >> 32) & 0xff; |
| 656 | cfis->lba_low_exp = (block >> 24) & 0xff; |
| 657 | cfis->lba_high = (block >> 16) & 0xff; |
| 658 | cfis->lba_mid = (block >> 8) & 0xff; |
| 659 | cfis->lba_low = block & 0xff; |
| 660 | cfis->device = ATA_LBA; |
| 661 | cfis->sector_count_exp = (blkcnt >> 8) & 0xff; |
| 662 | cfis->sector_count = blkcnt & 0xff; |
| 663 | |
| 664 | fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, buffer, ATA_SECT_SIZE * blkcnt); |
| 665 | return blkcnt; |
| 666 | } |
| 667 | |
| 668 | u32 fsl_sata_rw_ncq_cmd(int dev, u32 start, u32 blkcnt, u8 *buffer, int is_write) |
| 669 | { |
| 670 | fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv; |
galak | 18cf84a | 2009-07-07 15:53:21 -0500 | [diff] [blame] | 671 | struct sata_fis_h2d h2d, *cfis = &h2d; |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 672 | int ncq_channel; |
| 673 | u64 block; |
| 674 | |
Tang Yuantian | a89db42 | 2011-10-03 12:18:41 -0700 | [diff] [blame] | 675 | if (sata->lba48 != 1) { |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 676 | printf("execute FPDMA command on non-LBA48 hard disk\n\r"); |
| 677 | return -1; |
| 678 | } |
| 679 | |
| 680 | block = (u64)start; |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 681 | |
galak | 18cf84a | 2009-07-07 15:53:21 -0500 | [diff] [blame] | 682 | memset(cfis, 0, sizeof(struct sata_fis_h2d)); |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 683 | |
| 684 | cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D; |
| 685 | cfis->pm_port_c = 0x80; /* is command */ |
| 686 | |
Dave Liu | b9342a0 | 2008-04-01 15:22:11 +0800 | [diff] [blame] | 687 | cfis->command = (is_write) ? ATA_CMD_FPDMA_WRITE |
| 688 | : ATA_CMD_FPDMA_READ; |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 689 | |
| 690 | cfis->lba_high_exp = (block >> 40) & 0xff; |
| 691 | cfis->lba_mid_exp = (block >> 32) & 0xff; |
| 692 | cfis->lba_low_exp = (block >> 24) & 0xff; |
| 693 | cfis->lba_high = (block >> 16) & 0xff; |
| 694 | cfis->lba_mid = (block >> 8) & 0xff; |
| 695 | cfis->lba_low = block & 0xff; |
| 696 | |
| 697 | cfis->device = ATA_LBA; |
| 698 | cfis->features_exp = (blkcnt >> 8) & 0xff; |
| 699 | cfis->features = blkcnt & 0xff; |
| 700 | |
| 701 | if (sata->queue_depth >= SATA_HC_MAX_CMD) |
| 702 | ncq_channel = SATA_HC_MAX_CMD - 1; |
| 703 | else |
| 704 | ncq_channel = sata->queue_depth - 1; |
| 705 | |
| 706 | /* Use the latest queue */ |
| 707 | fsl_sata_exec_cmd(sata, cfis, CMD_NCQ, ncq_channel, buffer, ATA_SECT_SIZE * blkcnt); |
| 708 | return blkcnt; |
| 709 | } |
| 710 | |
| 711 | void fsl_sata_flush_cache_ext(int dev) |
| 712 | { |
| 713 | fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv; |
galak | 18cf84a | 2009-07-07 15:53:21 -0500 | [diff] [blame] | 714 | struct sata_fis_h2d h2d, *cfis = &h2d; |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 715 | |
galak | 18cf84a | 2009-07-07 15:53:21 -0500 | [diff] [blame] | 716 | memset(cfis, 0, sizeof(struct sata_fis_h2d)); |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 717 | |
| 718 | cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D; |
| 719 | cfis->pm_port_c = 0x80; /* is command */ |
Dave Liu | b9342a0 | 2008-04-01 15:22:11 +0800 | [diff] [blame] | 720 | cfis->command = ATA_CMD_FLUSH_EXT; |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 721 | |
| 722 | fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, NULL, 0); |
| 723 | } |
| 724 | |
| 725 | /* Software reset, set SRST of the Device Control register */ |
| 726 | void fsl_sata_software_reset(int dev) |
| 727 | { |
| 728 | return; |
| 729 | } |
| 730 | |
| 731 | static void fsl_sata_init_wcache(int dev, u16 *id) |
| 732 | { |
| 733 | fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv; |
| 734 | |
| 735 | if (ata_id_has_wcache(id) && ata_id_wcache_enabled(id)) |
| 736 | sata->wcache = 1; |
| 737 | if (ata_id_has_flush(id)) |
| 738 | sata->flush = 1; |
| 739 | if (ata_id_has_flush_ext(id)) |
| 740 | sata->flush_ext = 1; |
| 741 | } |
| 742 | |
| 743 | static int fsl_sata_get_wcache(int dev) |
| 744 | { |
| 745 | fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv; |
| 746 | return sata->wcache; |
| 747 | } |
| 748 | |
| 749 | static int fsl_sata_get_flush(int dev) |
| 750 | { |
| 751 | fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv; |
| 752 | return sata->flush; |
| 753 | } |
| 754 | |
| 755 | static int fsl_sata_get_flush_ext(int dev) |
| 756 | { |
| 757 | fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv; |
| 758 | return sata->flush_ext; |
| 759 | } |
| 760 | |
| 761 | u32 ata_low_level_rw_lba48(int dev, u32 blknr, u32 blkcnt, void *buffer, int is_write) |
| 762 | { |
| 763 | u32 start, blks; |
| 764 | u8 *addr; |
| 765 | int max_blks; |
| 766 | |
| 767 | start = blknr; |
| 768 | blks = blkcnt; |
| 769 | addr = (u8 *)buffer; |
| 770 | |
| 771 | max_blks = ATA_MAX_SECTORS_LBA48; |
| 772 | do { |
| 773 | if (blks > max_blks) { |
| 774 | if (fsl_sata_info[dev].flags != FLAGS_FPDMA) |
| 775 | fsl_sata_rw_cmd_ext(dev, start, max_blks, addr, is_write); |
| 776 | else |
| 777 | fsl_sata_rw_ncq_cmd(dev, start, max_blks, addr, is_write); |
| 778 | start += max_blks; |
| 779 | blks -= max_blks; |
| 780 | addr += ATA_SECT_SIZE * max_blks; |
| 781 | } else { |
| 782 | if (fsl_sata_info[dev].flags != FLAGS_FPDMA) |
| 783 | fsl_sata_rw_cmd_ext(dev, start, blks, addr, is_write); |
| 784 | else |
| 785 | fsl_sata_rw_ncq_cmd(dev, start, blks, addr, is_write); |
| 786 | start += blks; |
| 787 | blks = 0; |
| 788 | addr += ATA_SECT_SIZE * blks; |
| 789 | } |
| 790 | } while (blks != 0); |
| 791 | |
| 792 | return blkcnt; |
| 793 | } |
| 794 | |
| 795 | u32 ata_low_level_rw_lba28(int dev, u32 blknr, u32 blkcnt, void *buffer, int is_write) |
| 796 | { |
| 797 | u32 start, blks; |
| 798 | u8 *addr; |
| 799 | int max_blks; |
| 800 | |
| 801 | start = blknr; |
| 802 | blks = blkcnt; |
| 803 | addr = (u8 *)buffer; |
| 804 | |
| 805 | max_blks = ATA_MAX_SECTORS; |
| 806 | do { |
| 807 | if (blks > max_blks) { |
| 808 | fsl_sata_rw_cmd(dev, start, max_blks, addr, is_write); |
| 809 | start += max_blks; |
| 810 | blks -= max_blks; |
| 811 | addr += ATA_SECT_SIZE * max_blks; |
| 812 | } else { |
| 813 | fsl_sata_rw_cmd(dev, start, blks, addr, is_write); |
| 814 | start += blks; |
| 815 | blks = 0; |
| 816 | addr += ATA_SECT_SIZE * blks; |
| 817 | } |
| 818 | } while (blks != 0); |
| 819 | |
| 820 | return blkcnt; |
| 821 | } |
| 822 | |
| 823 | /* |
| 824 | * SATA interface between low level driver and command layer |
| 825 | */ |
| 826 | ulong sata_read(int dev, u32 blknr, u32 blkcnt, void *buffer) |
| 827 | { |
| 828 | u32 rc; |
Tang Yuantian | a89db42 | 2011-10-03 12:18:41 -0700 | [diff] [blame] | 829 | fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv; |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 830 | |
Tang Yuantian | a89db42 | 2011-10-03 12:18:41 -0700 | [diff] [blame] | 831 | if (sata->lba48) |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 832 | rc = ata_low_level_rw_lba48(dev, blknr, blkcnt, buffer, READ_CMD); |
| 833 | else |
| 834 | rc = ata_low_level_rw_lba28(dev, blknr, blkcnt, buffer, READ_CMD); |
| 835 | return rc; |
| 836 | } |
| 837 | |
| 838 | ulong sata_write(int dev, u32 blknr, u32 blkcnt, void *buffer) |
| 839 | { |
| 840 | u32 rc; |
Tang Yuantian | a89db42 | 2011-10-03 12:18:41 -0700 | [diff] [blame] | 841 | fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv; |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 842 | |
Tang Yuantian | a89db42 | 2011-10-03 12:18:41 -0700 | [diff] [blame] | 843 | if (sata->lba48) { |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 844 | rc = ata_low_level_rw_lba48(dev, blknr, blkcnt, buffer, WRITE_CMD); |
| 845 | if (fsl_sata_get_wcache(dev) && fsl_sata_get_flush_ext(dev)) |
| 846 | fsl_sata_flush_cache_ext(dev); |
| 847 | } else { |
| 848 | rc = ata_low_level_rw_lba28(dev, blknr, blkcnt, buffer, WRITE_CMD); |
| 849 | if (fsl_sata_get_wcache(dev) && fsl_sata_get_flush(dev)) |
| 850 | fsl_sata_flush_cache(dev); |
| 851 | } |
| 852 | return rc; |
| 853 | } |
| 854 | |
| 855 | int scan_sata(int dev) |
| 856 | { |
| 857 | fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv; |
| 858 | unsigned char serial[ATA_ID_SERNO_LEN + 1]; |
| 859 | unsigned char firmware[ATA_ID_FW_REV_LEN + 1]; |
| 860 | unsigned char product[ATA_ID_PROD_LEN + 1]; |
| 861 | u16 *id; |
| 862 | u64 n_sectors; |
| 863 | |
| 864 | /* if no detected link */ |
| 865 | if (!sata->link) |
| 866 | return -1; |
| 867 | |
| 868 | id = (u16 *)malloc(ATA_ID_WORDS * 2); |
| 869 | if (!id) { |
| 870 | printf("id malloc failed\n\r"); |
| 871 | return -1; |
| 872 | } |
| 873 | |
| 874 | /* Identify device to get information */ |
| 875 | fsl_sata_identify(dev, id); |
| 876 | |
| 877 | /* Serial number */ |
| 878 | ata_id_c_string(id, serial, ATA_ID_SERNO, sizeof(serial)); |
| 879 | memcpy(sata_dev_desc[dev].product, serial, sizeof(serial)); |
| 880 | |
| 881 | /* Firmware version */ |
| 882 | ata_id_c_string(id, firmware, ATA_ID_FW_REV, sizeof(firmware)); |
| 883 | memcpy(sata_dev_desc[dev].revision, firmware, sizeof(firmware)); |
| 884 | |
| 885 | /* Product model */ |
| 886 | ata_id_c_string(id, product, ATA_ID_PROD, sizeof(product)); |
| 887 | memcpy(sata_dev_desc[dev].vendor, product, sizeof(product)); |
| 888 | |
| 889 | /* Totoal sectors */ |
| 890 | n_sectors = ata_id_n_sectors(id); |
| 891 | sata_dev_desc[dev].lba = (u32)n_sectors; |
| 892 | |
Tang Yuantian | a89db42 | 2011-10-03 12:18:41 -0700 | [diff] [blame] | 893 | #ifdef CONFIG_LBA48 |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 894 | /* Check if support LBA48 */ |
| 895 | if (ata_id_has_lba48(id)) { |
Tang Yuantian | a89db42 | 2011-10-03 12:18:41 -0700 | [diff] [blame] | 896 | sata->lba48 = 1; |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 897 | debug("Device support LBA48\n\r"); |
Tang Yuantian | a89db42 | 2011-10-03 12:18:41 -0700 | [diff] [blame] | 898 | } else |
| 899 | debug("Device supports LBA28\n\r"); |
| 900 | #endif |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 901 | |
| 902 | /* Get the NCQ queue depth from device */ |
| 903 | sata->queue_depth = ata_id_queue_depth(id); |
| 904 | |
| 905 | /* Get the xfer mode from device */ |
| 906 | fsl_sata_xfer_mode(dev, id); |
| 907 | |
| 908 | /* Get the write cache status from device */ |
| 909 | fsl_sata_init_wcache(dev, id); |
| 910 | |
| 911 | /* Set the xfer mode to highest speed */ |
| 912 | fsl_sata_set_features(dev); |
| 913 | #ifdef DEBUG |
| 914 | fsl_sata_identify(dev, id); |
| 915 | ata_dump_id(id); |
| 916 | #endif |
| 917 | free((void *)id); |
| 918 | return 0; |
| 919 | } |