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 | |
| 53 | static inline void mdelay(unsigned long msec) |
| 54 | { |
| 55 | unsigned long i; |
| 56 | for (i = 0; i < msec; i++) |
| 57 | udelay(1000); |
| 58 | } |
| 59 | |
| 60 | static inline void sdelay(unsigned long sec) |
| 61 | { |
| 62 | unsigned long i; |
| 63 | for (i = 0; i < sec; i++) |
| 64 | mdelay(1000); |
| 65 | } |
| 66 | |
| 67 | void dprint_buffer(unsigned char *buf, int len) |
| 68 | { |
| 69 | int i, j; |
| 70 | |
| 71 | i = 0; |
| 72 | j = 0; |
| 73 | printf("\n\r"); |
| 74 | |
| 75 | for (i = 0; i < len; i++) { |
| 76 | printf("%02x ", *buf++); |
| 77 | j++; |
| 78 | if (j == 16) { |
| 79 | printf("\n\r"); |
| 80 | j = 0; |
| 81 | } |
| 82 | } |
| 83 | printf("\n\r"); |
| 84 | } |
| 85 | |
galak | 18cf84a | 2009-07-07 15:53:21 -0500 | [diff] [blame] | 86 | static void fsl_sata_dump_sfis(struct sata_fis_d2h *s) |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 87 | { |
| 88 | printf("Status FIS dump:\n\r"); |
| 89 | printf("fis_type: %02x\n\r", s->fis_type); |
| 90 | printf("pm_port_i: %02x\n\r", s->pm_port_i); |
| 91 | printf("status: %02x\n\r", s->status); |
| 92 | printf("error: %02x\n\r", s->error); |
| 93 | printf("lba_low: %02x\n\r", s->lba_low); |
| 94 | printf("lba_mid: %02x\n\r", s->lba_mid); |
| 95 | printf("lba_high: %02x\n\r", s->lba_high); |
| 96 | printf("device: %02x\n\r", s->device); |
| 97 | printf("lba_low_exp: %02x\n\r", s->lba_low_exp); |
| 98 | printf("lba_mid_exp: %02x\n\r", s->lba_mid_exp); |
| 99 | printf("lba_high_exp: %02x\n\r", s->lba_high_exp); |
| 100 | printf("res1: %02x\n\r", s->res1); |
| 101 | printf("sector_count: %02x\n\r", s->sector_count); |
| 102 | printf("sector_count_exp: %02x\n\r", s->sector_count_exp); |
| 103 | } |
| 104 | |
| 105 | static int ata_wait_register(volatile unsigned *addr, u32 mask, |
| 106 | u32 val, u32 timeout_msec) |
| 107 | { |
| 108 | int i; |
| 109 | u32 temp; |
| 110 | |
| 111 | for (i = 0; (((temp = in_le32(addr)) & mask) != val) |
| 112 | && i < timeout_msec; i++) |
| 113 | mdelay(1); |
| 114 | return (i < timeout_msec) ? 0 : -1; |
| 115 | } |
| 116 | |
| 117 | int init_sata(int dev) |
| 118 | { |
| 119 | u32 length, align; |
| 120 | cmd_hdr_tbl_t *cmd_hdr; |
| 121 | u32 cda; |
| 122 | u32 val32; |
| 123 | fsl_sata_reg_t *reg; |
| 124 | u32 sig; |
| 125 | int i; |
| 126 | fsl_sata_t *sata; |
| 127 | |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 128 | if (dev < 0 || dev > (CONFIG_SYS_SATA_MAX_DEVICE - 1)) { |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 129 | printf("the sata index %d is out of ranges\n\r", dev); |
| 130 | return -1; |
| 131 | } |
| 132 | |
Kumar Gala | eb453df | 2010-04-20 10:21:25 -0500 | [diff] [blame] | 133 | #ifdef CONFIG_MPC85xx |
| 134 | if ((dev == 0) && (!is_serdes_configured(SATA1))) { |
| 135 | printf("SATA%d [dev = %d] is not enabled\n", dev+1, dev); |
| 136 | return -1; |
| 137 | } |
| 138 | if ((dev == 1) && (!is_serdes_configured(SATA2))) { |
| 139 | printf("SATA%d [dev = %d] is not enabled\n", dev+1, dev); |
| 140 | return -1; |
| 141 | } |
| 142 | #endif |
| 143 | |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 144 | /* Allocate SATA device driver struct */ |
| 145 | sata = (fsl_sata_t *)malloc(sizeof(fsl_sata_t)); |
| 146 | if (!sata) { |
| 147 | printf("alloc the sata device struct failed\n\r"); |
| 148 | return -1; |
| 149 | } |
| 150 | /* Zero all of the device driver struct */ |
| 151 | memset((void *)sata, 0, sizeof(fsl_sata_t)); |
| 152 | |
| 153 | /* Save the private struct to block device struct */ |
| 154 | sata_dev_desc[dev].priv = (void *)sata; |
| 155 | |
| 156 | sprintf(sata->name, "SATA%d", dev); |
| 157 | |
| 158 | /* Set the controller register base address to device struct */ |
| 159 | reg = (fsl_sata_reg_t *)(fsl_sata_info[dev].sata_reg_base); |
| 160 | sata->reg_base = reg; |
| 161 | |
| 162 | /* Allocate the command header table, 4 bytes aligned */ |
| 163 | length = sizeof(struct cmd_hdr_tbl); |
| 164 | align = SATA_HC_CMD_HDR_TBL_ALIGN; |
| 165 | sata->cmd_hdr_tbl_offset = (void *)malloc(length + align); |
| 166 | if (!sata) { |
| 167 | printf("alloc the command header failed\n\r"); |
| 168 | return -1; |
| 169 | } |
| 170 | |
| 171 | cmd_hdr = (cmd_hdr_tbl_t *)(((u32)sata->cmd_hdr_tbl_offset + align) |
| 172 | & ~(align - 1)); |
| 173 | sata->cmd_hdr = cmd_hdr; |
| 174 | |
| 175 | /* Zero all of the command header table */ |
| 176 | memset((void *)sata->cmd_hdr_tbl_offset, 0, length + align); |
| 177 | |
| 178 | /* Allocate command descriptor for all command */ |
| 179 | length = sizeof(struct cmd_desc) * SATA_HC_MAX_CMD; |
| 180 | align = SATA_HC_CMD_DESC_ALIGN; |
| 181 | sata->cmd_desc_offset = (void *)malloc(length + align); |
| 182 | if (!sata->cmd_desc_offset) { |
| 183 | printf("alloc the command descriptor failed\n\r"); |
| 184 | return -1; |
| 185 | } |
| 186 | sata->cmd_desc = (cmd_desc_t *)(((u32)sata->cmd_desc_offset + align) |
| 187 | & ~(align - 1)); |
| 188 | /* Zero all of command descriptor */ |
| 189 | memset((void *)sata->cmd_desc_offset, 0, length + align); |
| 190 | |
| 191 | /* Link the command descriptor to command header */ |
| 192 | for (i = 0; i < SATA_HC_MAX_CMD; i++) { |
| 193 | cda = ((u32)sata->cmd_desc + SATA_HC_CMD_DESC_SIZE * i) |
| 194 | & ~(CMD_HDR_CDA_ALIGN - 1); |
| 195 | cmd_hdr->cmd_slot[i].cda = cpu_to_le32(cda); |
| 196 | } |
| 197 | |
| 198 | /* To have safe state, force the controller offline */ |
| 199 | val32 = in_le32(®->hcontrol); |
| 200 | val32 &= ~HCONTROL_ONOFF; |
| 201 | val32 |= HCONTROL_FORCE_OFFLINE; |
| 202 | out_le32(®->hcontrol, val32); |
| 203 | |
| 204 | /* Wait the controller offline */ |
| 205 | ata_wait_register(®->hstatus, HSTATUS_ONOFF, 0, 1000); |
| 206 | |
Dave Liu | b9674d0 | 2010-04-12 14:23:25 +0800 | [diff] [blame] | 207 | #if defined(CONFIG_FSL_SATA_V2) && defined(CONFIG_FSL_SATA_ERRATUM_A001) |
| 208 | /* |
| 209 | * For P1022/1013 Rev1.0 silicon, after power on SATA host |
| 210 | * controller is configured in legacy mode instead of the |
| 211 | * expected enterprise mode. software needs to clear bit[28] |
| 212 | * of HControl register to change to enterprise mode from |
| 213 | * legacy mode. |
| 214 | */ |
| 215 | { |
| 216 | u32 svr = get_svr(); |
| 217 | if (IS_SVR_REV(svr, 1, 0) && |
| 218 | ((SVR_SOC_VER(svr) == SVR_P1022) || |
| 219 | (SVR_SOC_VER(svr) == SVR_P1022_E) || |
| 220 | (SVR_SOC_VER(svr) == SVR_P1013) || |
| 221 | (SVR_SOC_VER(svr) == SVR_P1013_E))) { |
| 222 | out_le32(®->hstatus, 0x20000000); |
| 223 | out_le32(®->hcontrol, 0x00000100); |
| 224 | } |
| 225 | } |
| 226 | #endif |
| 227 | |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 228 | /* Set the command header base address to CHBA register to tell DMA */ |
| 229 | out_le32(®->chba, (u32)cmd_hdr & ~0x3); |
| 230 | |
| 231 | /* Snoop for the command header */ |
| 232 | val32 = in_le32(®->hcontrol); |
| 233 | val32 |= HCONTROL_HDR_SNOOP; |
| 234 | out_le32(®->hcontrol, val32); |
| 235 | |
| 236 | /* Disable all of interrupts */ |
| 237 | val32 = in_le32(®->hcontrol); |
| 238 | val32 &= ~HCONTROL_INT_EN_ALL; |
| 239 | out_le32(®->hcontrol, val32); |
| 240 | |
| 241 | /* Clear all of interrupts */ |
| 242 | val32 = in_le32(®->hstatus); |
| 243 | out_le32(®->hstatus, val32); |
| 244 | |
| 245 | /* Set the ICC, no interrupt coalescing */ |
| 246 | out_le32(®->icc, 0x01000000); |
| 247 | |
| 248 | /* No PM attatched, the SATA device direct connect */ |
| 249 | out_le32(®->cqpmp, 0); |
| 250 | |
| 251 | /* Clear SError register */ |
| 252 | val32 = in_le32(®->serror); |
| 253 | out_le32(®->serror, val32); |
| 254 | |
| 255 | /* Clear CER register */ |
| 256 | val32 = in_le32(®->cer); |
| 257 | out_le32(®->cer, val32); |
| 258 | |
| 259 | /* Clear DER register */ |
| 260 | val32 = in_le32(®->der); |
| 261 | out_le32(®->der, val32); |
| 262 | |
| 263 | /* No device detection or initialization action requested */ |
| 264 | out_le32(®->scontrol, 0x00000300); |
| 265 | |
| 266 | /* Configure the transport layer, default value */ |
| 267 | out_le32(®->transcfg, 0x08000016); |
| 268 | |
| 269 | /* Configure the link layer, default value */ |
| 270 | out_le32(®->linkcfg, 0x0000ff34); |
| 271 | |
| 272 | /* Bring the controller online */ |
| 273 | val32 = in_le32(®->hcontrol); |
| 274 | val32 |= HCONTROL_ONOFF; |
| 275 | out_le32(®->hcontrol, val32); |
| 276 | |
| 277 | mdelay(100); |
| 278 | |
| 279 | /* print sata device name */ |
| 280 | if (!dev) |
| 281 | printf("%s ", sata->name); |
| 282 | else |
| 283 | printf(" %s ", sata->name); |
| 284 | |
Dave Liu | 4d9c188 | 2008-06-03 17:38:19 +0800 | [diff] [blame] | 285 | /* Wait PHY RDY signal changed for 500ms */ |
| 286 | ata_wait_register(®->hstatus, HSTATUS_PHY_RDY, |
| 287 | HSTATUS_PHY_RDY, 500); |
| 288 | |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 289 | /* Check PHYRDY */ |
| 290 | val32 = in_le32(®->hstatus); |
| 291 | if (val32 & HSTATUS_PHY_RDY) { |
| 292 | sata->link = 1; |
| 293 | } else { |
| 294 | sata->link = 0; |
| 295 | printf("(No RDY)\n\r"); |
| 296 | return -1; |
| 297 | } |
| 298 | |
Dave Liu | 4d9c188 | 2008-06-03 17:38:19 +0800 | [diff] [blame] | 299 | /* Wait for signature updated, which is 1st D2H */ |
| 300 | ata_wait_register(®->hstatus, HSTATUS_SIGNATURE, |
| 301 | HSTATUS_SIGNATURE, 10000); |
| 302 | |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 303 | if (val32 & HSTATUS_SIGNATURE) { |
| 304 | sig = in_le32(®->sig); |
| 305 | debug("Signature updated, the sig =%08x\n\r", sig); |
| 306 | sata->ata_device_type = ata_dev_classify(sig); |
| 307 | } |
| 308 | |
| 309 | /* Check the speed */ |
| 310 | val32 = in_le32(®->sstatus); |
| 311 | if ((val32 & SSTATUS_SPD_MASK) == SSTATUS_SPD_GEN1) |
| 312 | printf("(1.5 Gbps)\n\r"); |
| 313 | else if ((val32 & SSTATUS_SPD_MASK) == SSTATUS_SPD_GEN2) |
| 314 | printf("(3 Gbps)\n\r"); |
| 315 | |
| 316 | return 0; |
| 317 | } |
| 318 | |
| 319 | /* Hardware reset, like Power-on and COMRESET */ |
| 320 | void fsl_sata_hardware_reset(u32 reg_base) |
| 321 | { |
| 322 | fsl_sata_reg_t *reg = (fsl_sata_reg_t *)reg_base; |
| 323 | u32 scontrol; |
| 324 | |
| 325 | /* Disable the SATA interface and put PHY offline */ |
| 326 | scontrol = in_le32(®->scontrol); |
| 327 | scontrol = (scontrol & 0x0f0) | 0x304; |
| 328 | out_le32(®->scontrol, scontrol); |
| 329 | |
| 330 | /* No speed strict */ |
| 331 | scontrol = in_le32(®->scontrol); |
| 332 | scontrol = scontrol & ~0x0f0; |
| 333 | out_le32(®->scontrol, scontrol); |
| 334 | |
| 335 | /* Issue PHY wake/reset, Hardware_reset_asserted */ |
| 336 | scontrol = in_le32(®->scontrol); |
| 337 | scontrol = (scontrol & 0x0f0) | 0x301; |
| 338 | out_le32(®->scontrol, scontrol); |
| 339 | |
| 340 | mdelay(100); |
| 341 | |
| 342 | /* Resume PHY, COMRESET negated, the device initialize hardware |
| 343 | * and execute diagnostics, send good status-signature to host, |
| 344 | * which is D2H register FIS, and then the device enter idle state. |
| 345 | */ |
| 346 | scontrol = in_le32(®->scontrol); |
| 347 | scontrol = (scontrol & 0x0f0) | 0x300; |
| 348 | out_le32(®->scontrol, scontrol); |
| 349 | |
| 350 | mdelay(100); |
| 351 | return; |
| 352 | } |
| 353 | |
| 354 | static void fsl_sata_dump_regs(fsl_sata_reg_t *reg) |
| 355 | { |
| 356 | printf("\n\rSATA: %08x\n\r", (u32)reg); |
| 357 | printf("CQR: %08x\n\r", in_le32(®->cqr)); |
| 358 | printf("CAR: %08x\n\r", in_le32(®->car)); |
| 359 | printf("CCR: %08x\n\r", in_le32(®->ccr)); |
| 360 | printf("CER: %08x\n\r", in_le32(®->cer)); |
| 361 | printf("CQR: %08x\n\r", in_le32(®->cqr)); |
| 362 | printf("DER: %08x\n\r", in_le32(®->der)); |
| 363 | printf("CHBA: %08x\n\r", in_le32(®->chba)); |
| 364 | printf("HStatus: %08x\n\r", in_le32(®->hstatus)); |
| 365 | printf("HControl: %08x\n\r", in_le32(®->hcontrol)); |
| 366 | printf("CQPMP: %08x\n\r", in_le32(®->cqpmp)); |
| 367 | printf("SIG: %08x\n\r", in_le32(®->sig)); |
| 368 | printf("ICC: %08x\n\r", in_le32(®->icc)); |
| 369 | printf("SStatus: %08x\n\r", in_le32(®->sstatus)); |
| 370 | printf("SError: %08x\n\r", in_le32(®->serror)); |
| 371 | printf("SControl: %08x\n\r", in_le32(®->scontrol)); |
| 372 | printf("SNotification: %08x\n\r", in_le32(®->snotification)); |
| 373 | printf("TransCfg: %08x\n\r", in_le32(®->transcfg)); |
| 374 | printf("TransStatus: %08x\n\r", in_le32(®->transstatus)); |
| 375 | printf("LinkCfg: %08x\n\r", in_le32(®->linkcfg)); |
| 376 | printf("LinkCfg1: %08x\n\r", in_le32(®->linkcfg1)); |
| 377 | printf("LinkCfg2: %08x\n\r", in_le32(®->linkcfg2)); |
| 378 | printf("LinkStatus: %08x\n\r", in_le32(®->linkstatus)); |
| 379 | printf("LinkStatus1: %08x\n\r", in_le32(®->linkstatus1)); |
| 380 | printf("PhyCtrlCfg: %08x\n\r", in_le32(®->phyctrlcfg)); |
| 381 | printf("SYSPR: %08x\n\r", in_be32(®->syspr)); |
| 382 | } |
| 383 | |
galak | 18cf84a | 2009-07-07 15:53:21 -0500 | [diff] [blame] | 384 | 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] | 385 | int is_ncq, int tag, u8 *buffer, u32 len) |
| 386 | { |
| 387 | cmd_hdr_entry_t *cmd_hdr; |
| 388 | cmd_desc_t *cmd_desc; |
| 389 | sata_fis_h2d_t *h2d; |
| 390 | prd_entry_t *prde; |
| 391 | u32 ext_c_ddc; |
| 392 | u32 prde_count; |
| 393 | u32 val32; |
| 394 | u32 ttl; |
| 395 | fsl_sata_reg_t *reg = sata->reg_base; |
| 396 | int i; |
| 397 | |
| 398 | /* Check xfer length */ |
| 399 | if (len > SATA_HC_MAX_XFER_LEN) { |
| 400 | printf("max transfer length is 64MB\n\r"); |
| 401 | return 0; |
| 402 | } |
| 403 | |
| 404 | /* Setup the command descriptor */ |
| 405 | cmd_desc = sata->cmd_desc + tag; |
| 406 | |
| 407 | /* Get the pointer cfis of command descriptor */ |
| 408 | h2d = (sata_fis_h2d_t *)cmd_desc->cfis; |
| 409 | |
| 410 | /* Zero the cfis of command descriptor */ |
| 411 | memset((void *)h2d, 0, SATA_HC_CMD_DESC_CFIS_SIZE); |
| 412 | |
| 413 | /* Copy the cfis from user to command descriptor */ |
| 414 | h2d->fis_type = cfis->fis_type; |
| 415 | h2d->pm_port_c = cfis->pm_port_c; |
| 416 | h2d->command = cfis->command; |
| 417 | |
| 418 | h2d->features = cfis->features; |
| 419 | h2d->features_exp = cfis->features_exp; |
| 420 | |
| 421 | h2d->lba_low = cfis->lba_low; |
| 422 | h2d->lba_mid = cfis->lba_mid; |
| 423 | h2d->lba_high = cfis->lba_high; |
| 424 | h2d->lba_low_exp = cfis->lba_low_exp; |
| 425 | h2d->lba_mid_exp = cfis->lba_mid_exp; |
| 426 | h2d->lba_high_exp = cfis->lba_high_exp; |
| 427 | |
| 428 | if (!is_ncq) { |
| 429 | h2d->sector_count = cfis->sector_count; |
| 430 | h2d->sector_count_exp = cfis->sector_count_exp; |
| 431 | } else { /* NCQ */ |
| 432 | h2d->sector_count = (u8)(tag << 3); |
| 433 | } |
| 434 | |
| 435 | h2d->device = cfis->device; |
| 436 | h2d->control = cfis->control; |
| 437 | |
| 438 | /* Setup the PRD table */ |
| 439 | prde = (prd_entry_t *)cmd_desc->prdt; |
| 440 | memset((void *)prde, 0, sizeof(struct prdt)); |
| 441 | |
| 442 | prde_count = 0; |
| 443 | ttl = len; |
| 444 | for (i = 0; i < SATA_HC_MAX_PRD_DIRECT; i++) { |
| 445 | if (!len) |
| 446 | break; |
| 447 | prde->dba = cpu_to_le32((u32)buffer & ~0x3); |
| 448 | debug("dba = %08x\n\r", (u32)buffer); |
| 449 | |
| 450 | if (len < PRD_ENTRY_MAX_XFER_SZ) { |
| 451 | ext_c_ddc = PRD_ENTRY_DATA_SNOOP | len; |
| 452 | debug("ext_c_ddc1 = %08x, len = %08x\n\r", ext_c_ddc, len); |
| 453 | prde->ext_c_ddc = cpu_to_le32(ext_c_ddc); |
| 454 | prde_count++; |
| 455 | prde++; |
| 456 | break; |
| 457 | } else { |
| 458 | ext_c_ddc = PRD_ENTRY_DATA_SNOOP; /* 4M bytes */ |
| 459 | debug("ext_c_ddc2 = %08x, len = %08x\n\r", ext_c_ddc, len); |
| 460 | prde->ext_c_ddc = cpu_to_le32(ext_c_ddc); |
| 461 | buffer += PRD_ENTRY_MAX_XFER_SZ; |
| 462 | len -= PRD_ENTRY_MAX_XFER_SZ; |
| 463 | prde_count++; |
| 464 | prde++; |
| 465 | } |
| 466 | } |
| 467 | |
| 468 | /* Setup the command slot of cmd hdr */ |
| 469 | cmd_hdr = (cmd_hdr_entry_t *)&sata->cmd_hdr->cmd_slot[tag]; |
| 470 | |
| 471 | cmd_hdr->cda = cpu_to_le32((u32)cmd_desc & ~0x3); |
| 472 | |
| 473 | val32 = prde_count << CMD_HDR_PRD_ENTRY_SHIFT; |
| 474 | val32 |= sizeof(sata_fis_h2d_t); |
| 475 | cmd_hdr->prde_fis_len = cpu_to_le32(val32); |
| 476 | |
| 477 | cmd_hdr->ttl = cpu_to_le32(ttl); |
| 478 | |
| 479 | if (!is_ncq) { |
| 480 | val32 = CMD_HDR_ATTR_RES | CMD_HDR_ATTR_SNOOP; |
| 481 | } else { |
| 482 | val32 = CMD_HDR_ATTR_RES | CMD_HDR_ATTR_SNOOP | CMD_HDR_ATTR_FPDMA; |
| 483 | } |
| 484 | |
| 485 | tag &= CMD_HDR_ATTR_TAG; |
| 486 | val32 |= tag; |
| 487 | |
| 488 | debug("attribute = %08x\n\r", val32); |
| 489 | cmd_hdr->attribute = cpu_to_le32(val32); |
| 490 | |
| 491 | /* Make sure cmd desc and cmd slot valid before commmand issue */ |
| 492 | sync(); |
| 493 | |
| 494 | /* PMP*/ |
| 495 | val32 = (u32)(h2d->pm_port_c & 0x0f); |
| 496 | out_le32(®->cqpmp, val32); |
| 497 | |
| 498 | /* Wait no active */ |
| 499 | if (ata_wait_register(®->car, (1 << tag), 0, 10000)) |
| 500 | printf("Wait no active time out\n\r"); |
| 501 | |
| 502 | /* Issue command */ |
| 503 | if (!(in_le32(®->cqr) & (1 << tag))) { |
| 504 | val32 = 1 << tag; |
| 505 | out_le32(®->cqr, val32); |
| 506 | } |
| 507 | |
| 508 | /* Wait command completed for 10s */ |
| 509 | if (ata_wait_register(®->ccr, (1 << tag), (1 << tag), 10000)) { |
| 510 | if (!is_ncq) |
| 511 | printf("Non-NCQ command time out\n\r"); |
| 512 | else |
| 513 | printf("NCQ command time out\n\r"); |
| 514 | } |
| 515 | |
| 516 | val32 = in_le32(®->cer); |
| 517 | |
| 518 | if (val32) { |
| 519 | u32 der; |
galak | 18cf84a | 2009-07-07 15:53:21 -0500 | [diff] [blame] | 520 | fsl_sata_dump_sfis((struct sata_fis_d2h *)cmd_desc->sfis); |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 521 | printf("CE at device\n\r"); |
| 522 | fsl_sata_dump_regs(reg); |
| 523 | der = in_le32(®->der); |
| 524 | out_le32(®->cer, val32); |
| 525 | out_le32(®->der, der); |
| 526 | } |
| 527 | |
| 528 | /* Clear complete flags */ |
| 529 | val32 = in_le32(®->ccr); |
| 530 | out_le32(®->ccr, val32); |
| 531 | |
| 532 | return len; |
| 533 | } |
| 534 | |
galak | 18cf84a | 2009-07-07 15:53:21 -0500 | [diff] [blame] | 535 | 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] | 536 | int tag, u8 *buffer, u32 len) |
| 537 | { |
| 538 | return 0; |
| 539 | } |
| 540 | |
galak | 18cf84a | 2009-07-07 15:53:21 -0500 | [diff] [blame] | 541 | 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] | 542 | enum cmd_type command_type, int tag, u8 *buffer, u32 len) |
| 543 | { |
| 544 | int rc; |
| 545 | |
| 546 | if (tag > SATA_HC_MAX_CMD || tag < 0) { |
Kim Phillips | f91aa8d | 2008-07-10 14:00:15 -0500 | [diff] [blame] | 547 | printf("tag is out of range, tag=%d\n\r", tag); |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 548 | return -1; |
| 549 | } |
| 550 | |
| 551 | switch (command_type) { |
| 552 | case CMD_ATA: |
| 553 | rc = fsl_ata_exec_ata_cmd(sata, cfis, 0, tag, buffer, len); |
| 554 | return rc; |
| 555 | case CMD_RESET: |
| 556 | rc = fsl_ata_exec_reset_cmd(sata, cfis, tag, buffer, len); |
| 557 | return rc; |
| 558 | case CMD_NCQ: |
| 559 | rc = fsl_ata_exec_ata_cmd(sata, cfis, 1, tag, buffer, len); |
| 560 | return rc; |
| 561 | case CMD_ATAPI: |
| 562 | case CMD_VENDOR_BIST: |
| 563 | case CMD_BIST: |
| 564 | printf("not support now\n\r"); |
| 565 | return -1; |
| 566 | default: |
| 567 | break; |
| 568 | } |
| 569 | |
| 570 | return -1; |
| 571 | } |
| 572 | |
| 573 | static void fsl_sata_identify(int dev, u16 *id) |
| 574 | { |
| 575 | fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv; |
galak | 18cf84a | 2009-07-07 15:53:21 -0500 | [diff] [blame] | 576 | struct sata_fis_h2d h2d, *cfis = &h2d; |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 577 | |
galak | 18cf84a | 2009-07-07 15:53:21 -0500 | [diff] [blame] | 578 | memset(cfis, 0, sizeof(struct sata_fis_h2d)); |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 579 | |
| 580 | cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D; |
| 581 | cfis->pm_port_c = 0x80; /* is command */ |
| 582 | cfis->command = ATA_CMD_ID_ATA; |
| 583 | |
| 584 | fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, (u8 *)id, ATA_ID_WORDS * 2); |
| 585 | ata_swap_buf_le16(id, ATA_ID_WORDS); |
| 586 | } |
| 587 | |
| 588 | static void fsl_sata_xfer_mode(int dev, u16 *id) |
| 589 | { |
| 590 | fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv; |
| 591 | |
| 592 | sata->pio = id[ATA_ID_PIO_MODES]; |
| 593 | sata->mwdma = id[ATA_ID_MWDMA_MODES]; |
| 594 | sata->udma = id[ATA_ID_UDMA_MODES]; |
| 595 | debug("pio %04x, mwdma %04x, udma %04x\n\r", sata->pio, sata->mwdma, sata->udma); |
| 596 | } |
| 597 | |
| 598 | static void fsl_sata_set_features(int dev) |
| 599 | { |
| 600 | fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv; |
galak | 18cf84a | 2009-07-07 15:53:21 -0500 | [diff] [blame] | 601 | struct sata_fis_h2d h2d, *cfis = &h2d; |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 602 | u8 udma_cap; |
| 603 | |
galak | 18cf84a | 2009-07-07 15:53:21 -0500 | [diff] [blame] | 604 | memset(cfis, 0, sizeof(struct sata_fis_h2d)); |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 605 | |
| 606 | cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D; |
| 607 | cfis->pm_port_c = 0x80; /* is command */ |
| 608 | cfis->command = ATA_CMD_SET_FEATURES; |
| 609 | cfis->features = SETFEATURES_XFER; |
| 610 | |
| 611 | /* First check the device capablity */ |
| 612 | udma_cap = (u8)(sata->udma & 0xff); |
| 613 | debug("udma_cap %02x\n\r", udma_cap); |
| 614 | |
| 615 | if (udma_cap == ATA_UDMA6) |
| 616 | cfis->sector_count = XFER_UDMA_6; |
| 617 | if (udma_cap == ATA_UDMA5) |
| 618 | cfis->sector_count = XFER_UDMA_5; |
| 619 | if (udma_cap == ATA_UDMA4) |
| 620 | cfis->sector_count = XFER_UDMA_4; |
| 621 | if (udma_cap == ATA_UDMA3) |
| 622 | cfis->sector_count = XFER_UDMA_3; |
| 623 | |
| 624 | fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, NULL, 0); |
| 625 | } |
| 626 | |
| 627 | static u32 fsl_sata_rw_cmd(int dev, u32 start, u32 blkcnt, u8 *buffer, int is_write) |
| 628 | { |
| 629 | fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv; |
galak | 18cf84a | 2009-07-07 15:53:21 -0500 | [diff] [blame] | 630 | struct sata_fis_h2d h2d, *cfis = &h2d; |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 631 | u32 block; |
| 632 | |
| 633 | block = start; |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 634 | |
galak | 18cf84a | 2009-07-07 15:53:21 -0500 | [diff] [blame] | 635 | memset(cfis, 0, sizeof(struct sata_fis_h2d)); |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 636 | |
| 637 | cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D; |
| 638 | cfis->pm_port_c = 0x80; /* is command */ |
Dave Liu | b9342a0 | 2008-04-01 15:22:11 +0800 | [diff] [blame] | 639 | cfis->command = (is_write) ? ATA_CMD_WRITE : ATA_CMD_READ; |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 640 | cfis->device = ATA_LBA; |
| 641 | |
| 642 | cfis->device |= (block >> 24) & 0xf; |
| 643 | cfis->lba_high = (block >> 16) & 0xff; |
| 644 | cfis->lba_mid = (block >> 8) & 0xff; |
| 645 | cfis->lba_low = block & 0xff; |
| 646 | cfis->sector_count = (u8)(blkcnt & 0xff); |
| 647 | |
| 648 | fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, buffer, ATA_SECT_SIZE * blkcnt); |
| 649 | return blkcnt; |
| 650 | } |
| 651 | |
| 652 | void fsl_sata_flush_cache(int dev) |
| 653 | { |
| 654 | fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv; |
galak | 18cf84a | 2009-07-07 15:53:21 -0500 | [diff] [blame] | 655 | struct sata_fis_h2d h2d, *cfis = &h2d; |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 656 | |
galak | 18cf84a | 2009-07-07 15:53:21 -0500 | [diff] [blame] | 657 | memset(cfis, 0, sizeof(struct sata_fis_h2d)); |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 658 | |
| 659 | cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D; |
| 660 | cfis->pm_port_c = 0x80; /* is command */ |
Dave Liu | b9342a0 | 2008-04-01 15:22:11 +0800 | [diff] [blame] | 661 | cfis->command = ATA_CMD_FLUSH; |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 662 | |
| 663 | fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, NULL, 0); |
| 664 | } |
| 665 | |
| 666 | static u32 fsl_sata_rw_cmd_ext(int dev, u32 start, u32 blkcnt, u8 *buffer, int is_write) |
| 667 | { |
| 668 | fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv; |
galak | 18cf84a | 2009-07-07 15:53:21 -0500 | [diff] [blame] | 669 | struct sata_fis_h2d h2d, *cfis = &h2d; |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 670 | u64 block; |
| 671 | |
| 672 | block = (u64)start; |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 673 | |
galak | 18cf84a | 2009-07-07 15:53:21 -0500 | [diff] [blame] | 674 | memset(cfis, 0, sizeof(struct sata_fis_h2d)); |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 675 | |
| 676 | cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D; |
| 677 | cfis->pm_port_c = 0x80; /* is command */ |
| 678 | |
Dave Liu | b9342a0 | 2008-04-01 15:22:11 +0800 | [diff] [blame] | 679 | cfis->command = (is_write) ? ATA_CMD_WRITE_EXT |
| 680 | : ATA_CMD_READ_EXT; |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 681 | |
| 682 | cfis->lba_high_exp = (block >> 40) & 0xff; |
| 683 | cfis->lba_mid_exp = (block >> 32) & 0xff; |
| 684 | cfis->lba_low_exp = (block >> 24) & 0xff; |
| 685 | cfis->lba_high = (block >> 16) & 0xff; |
| 686 | cfis->lba_mid = (block >> 8) & 0xff; |
| 687 | cfis->lba_low = block & 0xff; |
| 688 | cfis->device = ATA_LBA; |
| 689 | cfis->sector_count_exp = (blkcnt >> 8) & 0xff; |
| 690 | cfis->sector_count = blkcnt & 0xff; |
| 691 | |
| 692 | fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, buffer, ATA_SECT_SIZE * blkcnt); |
| 693 | return blkcnt; |
| 694 | } |
| 695 | |
| 696 | u32 fsl_sata_rw_ncq_cmd(int dev, u32 start, u32 blkcnt, u8 *buffer, int is_write) |
| 697 | { |
| 698 | fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv; |
galak | 18cf84a | 2009-07-07 15:53:21 -0500 | [diff] [blame] | 699 | struct sata_fis_h2d h2d, *cfis = &h2d; |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 700 | int ncq_channel; |
| 701 | u64 block; |
| 702 | |
| 703 | if (sata_dev_desc[dev].lba48 != 1) { |
| 704 | printf("execute FPDMA command on non-LBA48 hard disk\n\r"); |
| 705 | return -1; |
| 706 | } |
| 707 | |
| 708 | block = (u64)start; |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 709 | |
galak | 18cf84a | 2009-07-07 15:53:21 -0500 | [diff] [blame] | 710 | memset(cfis, 0, sizeof(struct sata_fis_h2d)); |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 711 | |
| 712 | cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D; |
| 713 | cfis->pm_port_c = 0x80; /* is command */ |
| 714 | |
Dave Liu | b9342a0 | 2008-04-01 15:22:11 +0800 | [diff] [blame] | 715 | cfis->command = (is_write) ? ATA_CMD_FPDMA_WRITE |
| 716 | : ATA_CMD_FPDMA_READ; |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 717 | |
| 718 | cfis->lba_high_exp = (block >> 40) & 0xff; |
| 719 | cfis->lba_mid_exp = (block >> 32) & 0xff; |
| 720 | cfis->lba_low_exp = (block >> 24) & 0xff; |
| 721 | cfis->lba_high = (block >> 16) & 0xff; |
| 722 | cfis->lba_mid = (block >> 8) & 0xff; |
| 723 | cfis->lba_low = block & 0xff; |
| 724 | |
| 725 | cfis->device = ATA_LBA; |
| 726 | cfis->features_exp = (blkcnt >> 8) & 0xff; |
| 727 | cfis->features = blkcnt & 0xff; |
| 728 | |
| 729 | if (sata->queue_depth >= SATA_HC_MAX_CMD) |
| 730 | ncq_channel = SATA_HC_MAX_CMD - 1; |
| 731 | else |
| 732 | ncq_channel = sata->queue_depth - 1; |
| 733 | |
| 734 | /* Use the latest queue */ |
| 735 | fsl_sata_exec_cmd(sata, cfis, CMD_NCQ, ncq_channel, buffer, ATA_SECT_SIZE * blkcnt); |
| 736 | return blkcnt; |
| 737 | } |
| 738 | |
| 739 | void fsl_sata_flush_cache_ext(int dev) |
| 740 | { |
| 741 | fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv; |
galak | 18cf84a | 2009-07-07 15:53:21 -0500 | [diff] [blame] | 742 | struct sata_fis_h2d h2d, *cfis = &h2d; |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 743 | |
galak | 18cf84a | 2009-07-07 15:53:21 -0500 | [diff] [blame] | 744 | memset(cfis, 0, sizeof(struct sata_fis_h2d)); |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 745 | |
| 746 | cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D; |
| 747 | cfis->pm_port_c = 0x80; /* is command */ |
Dave Liu | b9342a0 | 2008-04-01 15:22:11 +0800 | [diff] [blame] | 748 | cfis->command = ATA_CMD_FLUSH_EXT; |
Dave Liu | 6f1a8a2 | 2008-03-26 22:55:32 +0800 | [diff] [blame] | 749 | |
| 750 | fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, NULL, 0); |
| 751 | } |
| 752 | |
| 753 | /* Software reset, set SRST of the Device Control register */ |
| 754 | void fsl_sata_software_reset(int dev) |
| 755 | { |
| 756 | return; |
| 757 | } |
| 758 | |
| 759 | static void fsl_sata_init_wcache(int dev, u16 *id) |
| 760 | { |
| 761 | fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv; |
| 762 | |
| 763 | if (ata_id_has_wcache(id) && ata_id_wcache_enabled(id)) |
| 764 | sata->wcache = 1; |
| 765 | if (ata_id_has_flush(id)) |
| 766 | sata->flush = 1; |
| 767 | if (ata_id_has_flush_ext(id)) |
| 768 | sata->flush_ext = 1; |
| 769 | } |
| 770 | |
| 771 | static int fsl_sata_get_wcache(int dev) |
| 772 | { |
| 773 | fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv; |
| 774 | return sata->wcache; |
| 775 | } |
| 776 | |
| 777 | static int fsl_sata_get_flush(int dev) |
| 778 | { |
| 779 | fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv; |
| 780 | return sata->flush; |
| 781 | } |
| 782 | |
| 783 | static int fsl_sata_get_flush_ext(int dev) |
| 784 | { |
| 785 | fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv; |
| 786 | return sata->flush_ext; |
| 787 | } |
| 788 | |
| 789 | u32 ata_low_level_rw_lba48(int dev, u32 blknr, u32 blkcnt, void *buffer, int is_write) |
| 790 | { |
| 791 | u32 start, blks; |
| 792 | u8 *addr; |
| 793 | int max_blks; |
| 794 | |
| 795 | start = blknr; |
| 796 | blks = blkcnt; |
| 797 | addr = (u8 *)buffer; |
| 798 | |
| 799 | max_blks = ATA_MAX_SECTORS_LBA48; |
| 800 | do { |
| 801 | if (blks > max_blks) { |
| 802 | if (fsl_sata_info[dev].flags != FLAGS_FPDMA) |
| 803 | fsl_sata_rw_cmd_ext(dev, start, max_blks, addr, is_write); |
| 804 | else |
| 805 | fsl_sata_rw_ncq_cmd(dev, start, max_blks, addr, is_write); |
| 806 | start += max_blks; |
| 807 | blks -= max_blks; |
| 808 | addr += ATA_SECT_SIZE * max_blks; |
| 809 | } else { |
| 810 | if (fsl_sata_info[dev].flags != FLAGS_FPDMA) |
| 811 | fsl_sata_rw_cmd_ext(dev, start, blks, addr, is_write); |
| 812 | else |
| 813 | fsl_sata_rw_ncq_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 | u32 ata_low_level_rw_lba28(int dev, u32 blknr, u32 blkcnt, void *buffer, int is_write) |
| 824 | { |
| 825 | u32 start, blks; |
| 826 | u8 *addr; |
| 827 | int max_blks; |
| 828 | |
| 829 | start = blknr; |
| 830 | blks = blkcnt; |
| 831 | addr = (u8 *)buffer; |
| 832 | |
| 833 | max_blks = ATA_MAX_SECTORS; |
| 834 | do { |
| 835 | if (blks > max_blks) { |
| 836 | fsl_sata_rw_cmd(dev, start, max_blks, addr, is_write); |
| 837 | start += max_blks; |
| 838 | blks -= max_blks; |
| 839 | addr += ATA_SECT_SIZE * max_blks; |
| 840 | } else { |
| 841 | fsl_sata_rw_cmd(dev, start, blks, addr, is_write); |
| 842 | start += blks; |
| 843 | blks = 0; |
| 844 | addr += ATA_SECT_SIZE * blks; |
| 845 | } |
| 846 | } while (blks != 0); |
| 847 | |
| 848 | return blkcnt; |
| 849 | } |
| 850 | |
| 851 | /* |
| 852 | * SATA interface between low level driver and command layer |
| 853 | */ |
| 854 | ulong sata_read(int dev, u32 blknr, u32 blkcnt, void *buffer) |
| 855 | { |
| 856 | u32 rc; |
| 857 | |
| 858 | if (sata_dev_desc[dev].lba48) |
| 859 | rc = ata_low_level_rw_lba48(dev, blknr, blkcnt, buffer, READ_CMD); |
| 860 | else |
| 861 | rc = ata_low_level_rw_lba28(dev, blknr, blkcnt, buffer, READ_CMD); |
| 862 | return rc; |
| 863 | } |
| 864 | |
| 865 | ulong sata_write(int dev, u32 blknr, u32 blkcnt, void *buffer) |
| 866 | { |
| 867 | u32 rc; |
| 868 | |
| 869 | if (sata_dev_desc[dev].lba48) { |
| 870 | rc = ata_low_level_rw_lba48(dev, blknr, blkcnt, buffer, WRITE_CMD); |
| 871 | if (fsl_sata_get_wcache(dev) && fsl_sata_get_flush_ext(dev)) |
| 872 | fsl_sata_flush_cache_ext(dev); |
| 873 | } else { |
| 874 | rc = ata_low_level_rw_lba28(dev, blknr, blkcnt, buffer, WRITE_CMD); |
| 875 | if (fsl_sata_get_wcache(dev) && fsl_sata_get_flush(dev)) |
| 876 | fsl_sata_flush_cache(dev); |
| 877 | } |
| 878 | return rc; |
| 879 | } |
| 880 | |
| 881 | int scan_sata(int dev) |
| 882 | { |
| 883 | fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv; |
| 884 | unsigned char serial[ATA_ID_SERNO_LEN + 1]; |
| 885 | unsigned char firmware[ATA_ID_FW_REV_LEN + 1]; |
| 886 | unsigned char product[ATA_ID_PROD_LEN + 1]; |
| 887 | u16 *id; |
| 888 | u64 n_sectors; |
| 889 | |
| 890 | /* if no detected link */ |
| 891 | if (!sata->link) |
| 892 | return -1; |
| 893 | |
| 894 | id = (u16 *)malloc(ATA_ID_WORDS * 2); |
| 895 | if (!id) { |
| 896 | printf("id malloc failed\n\r"); |
| 897 | return -1; |
| 898 | } |
| 899 | |
| 900 | /* Identify device to get information */ |
| 901 | fsl_sata_identify(dev, id); |
| 902 | |
| 903 | /* Serial number */ |
| 904 | ata_id_c_string(id, serial, ATA_ID_SERNO, sizeof(serial)); |
| 905 | memcpy(sata_dev_desc[dev].product, serial, sizeof(serial)); |
| 906 | |
| 907 | /* Firmware version */ |
| 908 | ata_id_c_string(id, firmware, ATA_ID_FW_REV, sizeof(firmware)); |
| 909 | memcpy(sata_dev_desc[dev].revision, firmware, sizeof(firmware)); |
| 910 | |
| 911 | /* Product model */ |
| 912 | ata_id_c_string(id, product, ATA_ID_PROD, sizeof(product)); |
| 913 | memcpy(sata_dev_desc[dev].vendor, product, sizeof(product)); |
| 914 | |
| 915 | /* Totoal sectors */ |
| 916 | n_sectors = ata_id_n_sectors(id); |
| 917 | sata_dev_desc[dev].lba = (u32)n_sectors; |
| 918 | |
| 919 | /* Check if support LBA48 */ |
| 920 | if (ata_id_has_lba48(id)) { |
| 921 | sata_dev_desc[dev].lba48 = 1; |
| 922 | debug("Device support LBA48\n\r"); |
| 923 | } |
| 924 | |
| 925 | /* Get the NCQ queue depth from device */ |
| 926 | sata->queue_depth = ata_id_queue_depth(id); |
| 927 | |
| 928 | /* Get the xfer mode from device */ |
| 929 | fsl_sata_xfer_mode(dev, id); |
| 930 | |
| 931 | /* Get the write cache status from device */ |
| 932 | fsl_sata_init_wcache(dev, id); |
| 933 | |
| 934 | /* Set the xfer mode to highest speed */ |
| 935 | fsl_sata_set_features(dev); |
| 936 | #ifdef DEBUG |
| 937 | fsl_sata_identify(dev, id); |
| 938 | ata_dump_id(id); |
| 939 | #endif |
| 940 | free((void *)id); |
| 941 | return 0; |
| 942 | } |