2 * Copyright (C) 2008 Freescale Semiconductor, Inc.
3 * Dave Liu <daveliu@freescale.com>
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.
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.
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,
29 extern block_dev_desc_t sata_dev_desc[CFG_SATA_MAX_DEVICE];
31 #ifndef CFG_SATA1_FLAGS
32 #define CFG_SATA1_FLAGS FLAGS_DMA
34 #ifndef CFG_SATA2_FLAGS
35 #define CFG_SATA2_FLAGS FLAGS_DMA
38 static struct fsl_sata_info fsl_sata_info[] = {
40 {CFG_SATA1, CFG_SATA1_FLAGS},
45 {CFG_SATA2, CFG_SATA2_FLAGS},
51 static inline void mdelay(unsigned long msec)
54 for (i = 0; i < msec; i++)
58 static inline void sdelay(unsigned long sec)
61 for (i = 0; i < sec; i++)
65 void dprint_buffer(unsigned char *buf, int len)
73 for (i = 0; i < len; i++) {
74 printf("%02x ", *buf++);
84 static void fsl_sata_dump_sfis(struct sfis *s)
86 printf("Status FIS dump:\n\r");
87 printf("fis_type: %02x\n\r", s->fis_type);
88 printf("pm_port_i: %02x\n\r", s->pm_port_i);
89 printf("status: %02x\n\r", s->status);
90 printf("error: %02x\n\r", s->error);
91 printf("lba_low: %02x\n\r", s->lba_low);
92 printf("lba_mid: %02x\n\r", s->lba_mid);
93 printf("lba_high: %02x\n\r", s->lba_high);
94 printf("device: %02x\n\r", s->device);
95 printf("lba_low_exp: %02x\n\r", s->lba_low_exp);
96 printf("lba_mid_exp: %02x\n\r", s->lba_mid_exp);
97 printf("lba_high_exp: %02x\n\r", s->lba_high_exp);
98 printf("res1: %02x\n\r", s->res1);
99 printf("sector_count: %02x\n\r", s->sector_count);
100 printf("sector_count_exp: %02x\n\r", s->sector_count_exp);
103 static int ata_wait_register(volatile unsigned *addr, u32 mask,
104 u32 val, u32 timeout_msec)
109 for (i = 0; (((temp = in_le32(addr)) & mask) != val)
110 && i < timeout_msec; i++)
112 return (i < timeout_msec) ? 0 : -1;
115 int init_sata(int dev)
118 cmd_hdr_tbl_t *cmd_hdr;
126 if (dev < 0 || dev > (CFG_SATA_MAX_DEVICE - 1)) {
127 printf("the sata index %d is out of ranges\n\r", dev);
131 /* Allocate SATA device driver struct */
132 sata = (fsl_sata_t *)malloc(sizeof(fsl_sata_t));
134 printf("alloc the sata device struct failed\n\r");
137 /* Zero all of the device driver struct */
138 memset((void *)sata, 0, sizeof(fsl_sata_t));
140 /* Save the private struct to block device struct */
141 sata_dev_desc[dev].priv = (void *)sata;
143 sprintf(sata->name, "SATA%d", dev);
145 /* Set the controller register base address to device struct */
146 reg = (fsl_sata_reg_t *)(fsl_sata_info[dev].sata_reg_base);
147 sata->reg_base = reg;
149 /* Allocate the command header table, 4 bytes aligned */
150 length = sizeof(struct cmd_hdr_tbl);
151 align = SATA_HC_CMD_HDR_TBL_ALIGN;
152 sata->cmd_hdr_tbl_offset = (void *)malloc(length + align);
154 printf("alloc the command header failed\n\r");
158 cmd_hdr = (cmd_hdr_tbl_t *)(((u32)sata->cmd_hdr_tbl_offset + align)
160 sata->cmd_hdr = cmd_hdr;
162 /* Zero all of the command header table */
163 memset((void *)sata->cmd_hdr_tbl_offset, 0, length + align);
165 /* Allocate command descriptor for all command */
166 length = sizeof(struct cmd_desc) * SATA_HC_MAX_CMD;
167 align = SATA_HC_CMD_DESC_ALIGN;
168 sata->cmd_desc_offset = (void *)malloc(length + align);
169 if (!sata->cmd_desc_offset) {
170 printf("alloc the command descriptor failed\n\r");
173 sata->cmd_desc = (cmd_desc_t *)(((u32)sata->cmd_desc_offset + align)
175 /* Zero all of command descriptor */
176 memset((void *)sata->cmd_desc_offset, 0, length + align);
178 /* Link the command descriptor to command header */
179 for (i = 0; i < SATA_HC_MAX_CMD; i++) {
180 cda = ((u32)sata->cmd_desc + SATA_HC_CMD_DESC_SIZE * i)
181 & ~(CMD_HDR_CDA_ALIGN - 1);
182 cmd_hdr->cmd_slot[i].cda = cpu_to_le32(cda);
185 /* To have safe state, force the controller offline */
186 val32 = in_le32(®->hcontrol);
187 val32 &= ~HCONTROL_ONOFF;
188 val32 |= HCONTROL_FORCE_OFFLINE;
189 out_le32(®->hcontrol, val32);
191 /* Wait the controller offline */
192 ata_wait_register(®->hstatus, HSTATUS_ONOFF, 0, 1000);
194 /* Set the command header base address to CHBA register to tell DMA */
195 out_le32(®->chba, (u32)cmd_hdr & ~0x3);
197 /* Snoop for the command header */
198 val32 = in_le32(®->hcontrol);
199 val32 |= HCONTROL_HDR_SNOOP;
200 out_le32(®->hcontrol, val32);
202 /* Disable all of interrupts */
203 val32 = in_le32(®->hcontrol);
204 val32 &= ~HCONTROL_INT_EN_ALL;
205 out_le32(®->hcontrol, val32);
207 /* Clear all of interrupts */
208 val32 = in_le32(®->hstatus);
209 out_le32(®->hstatus, val32);
211 /* Set the ICC, no interrupt coalescing */
212 out_le32(®->icc, 0x01000000);
214 /* No PM attatched, the SATA device direct connect */
215 out_le32(®->cqpmp, 0);
217 /* Clear SError register */
218 val32 = in_le32(®->serror);
219 out_le32(®->serror, val32);
221 /* Clear CER register */
222 val32 = in_le32(®->cer);
223 out_le32(®->cer, val32);
225 /* Clear DER register */
226 val32 = in_le32(®->der);
227 out_le32(®->der, val32);
229 /* No device detection or initialization action requested */
230 out_le32(®->scontrol, 0x00000300);
232 /* Configure the transport layer, default value */
233 out_le32(®->transcfg, 0x08000016);
235 /* Configure the link layer, default value */
236 out_le32(®->linkcfg, 0x0000ff34);
238 /* Bring the controller online */
239 val32 = in_le32(®->hcontrol);
240 val32 |= HCONTROL_ONOFF;
241 out_le32(®->hcontrol, val32);
245 /* print sata device name */
247 printf("%s ", sata->name);
249 printf(" %s ", sata->name);
251 /* Wait PHY RDY signal changed for 500ms */
252 ata_wait_register(®->hstatus, HSTATUS_PHY_RDY,
253 HSTATUS_PHY_RDY, 500);
256 val32 = in_le32(®->hstatus);
257 if (val32 & HSTATUS_PHY_RDY) {
261 printf("(No RDY)\n\r");
265 /* Wait for signature updated, which is 1st D2H */
266 ata_wait_register(®->hstatus, HSTATUS_SIGNATURE,
267 HSTATUS_SIGNATURE, 10000);
269 if (val32 & HSTATUS_SIGNATURE) {
270 sig = in_le32(®->sig);
271 debug("Signature updated, the sig =%08x\n\r", sig);
272 sata->ata_device_type = ata_dev_classify(sig);
275 /* Check the speed */
276 val32 = in_le32(®->sstatus);
277 if ((val32 & SSTATUS_SPD_MASK) == SSTATUS_SPD_GEN1)
278 printf("(1.5 Gbps)\n\r");
279 else if ((val32 & SSTATUS_SPD_MASK) == SSTATUS_SPD_GEN2)
280 printf("(3 Gbps)\n\r");
285 /* Hardware reset, like Power-on and COMRESET */
286 void fsl_sata_hardware_reset(u32 reg_base)
288 fsl_sata_reg_t *reg = (fsl_sata_reg_t *)reg_base;
291 /* Disable the SATA interface and put PHY offline */
292 scontrol = in_le32(®->scontrol);
293 scontrol = (scontrol & 0x0f0) | 0x304;
294 out_le32(®->scontrol, scontrol);
296 /* No speed strict */
297 scontrol = in_le32(®->scontrol);
298 scontrol = scontrol & ~0x0f0;
299 out_le32(®->scontrol, scontrol);
301 /* Issue PHY wake/reset, Hardware_reset_asserted */
302 scontrol = in_le32(®->scontrol);
303 scontrol = (scontrol & 0x0f0) | 0x301;
304 out_le32(®->scontrol, scontrol);
308 /* Resume PHY, COMRESET negated, the device initialize hardware
309 * and execute diagnostics, send good status-signature to host,
310 * which is D2H register FIS, and then the device enter idle state.
312 scontrol = in_le32(®->scontrol);
313 scontrol = (scontrol & 0x0f0) | 0x300;
314 out_le32(®->scontrol, scontrol);
320 static void fsl_sata_dump_regs(fsl_sata_reg_t *reg)
322 printf("\n\rSATA: %08x\n\r", (u32)reg);
323 printf("CQR: %08x\n\r", in_le32(®->cqr));
324 printf("CAR: %08x\n\r", in_le32(®->car));
325 printf("CCR: %08x\n\r", in_le32(®->ccr));
326 printf("CER: %08x\n\r", in_le32(®->cer));
327 printf("CQR: %08x\n\r", in_le32(®->cqr));
328 printf("DER: %08x\n\r", in_le32(®->der));
329 printf("CHBA: %08x\n\r", in_le32(®->chba));
330 printf("HStatus: %08x\n\r", in_le32(®->hstatus));
331 printf("HControl: %08x\n\r", in_le32(®->hcontrol));
332 printf("CQPMP: %08x\n\r", in_le32(®->cqpmp));
333 printf("SIG: %08x\n\r", in_le32(®->sig));
334 printf("ICC: %08x\n\r", in_le32(®->icc));
335 printf("SStatus: %08x\n\r", in_le32(®->sstatus));
336 printf("SError: %08x\n\r", in_le32(®->serror));
337 printf("SControl: %08x\n\r", in_le32(®->scontrol));
338 printf("SNotification: %08x\n\r", in_le32(®->snotification));
339 printf("TransCfg: %08x\n\r", in_le32(®->transcfg));
340 printf("TransStatus: %08x\n\r", in_le32(®->transstatus));
341 printf("LinkCfg: %08x\n\r", in_le32(®->linkcfg));
342 printf("LinkCfg1: %08x\n\r", in_le32(®->linkcfg1));
343 printf("LinkCfg2: %08x\n\r", in_le32(®->linkcfg2));
344 printf("LinkStatus: %08x\n\r", in_le32(®->linkstatus));
345 printf("LinkStatus1: %08x\n\r", in_le32(®->linkstatus1));
346 printf("PhyCtrlCfg: %08x\n\r", in_le32(®->phyctrlcfg));
347 printf("SYSPR: %08x\n\r", in_be32(®->syspr));
350 static int fsl_ata_exec_ata_cmd(struct fsl_sata *sata, struct cfis *cfis,
351 int is_ncq, int tag, u8 *buffer, u32 len)
353 cmd_hdr_entry_t *cmd_hdr;
354 cmd_desc_t *cmd_desc;
361 fsl_sata_reg_t *reg = sata->reg_base;
364 /* Check xfer length */
365 if (len > SATA_HC_MAX_XFER_LEN) {
366 printf("max transfer length is 64MB\n\r");
370 /* Setup the command descriptor */
371 cmd_desc = sata->cmd_desc + tag;
373 /* Get the pointer cfis of command descriptor */
374 h2d = (sata_fis_h2d_t *)cmd_desc->cfis;
376 /* Zero the cfis of command descriptor */
377 memset((void *)h2d, 0, SATA_HC_CMD_DESC_CFIS_SIZE);
379 /* Copy the cfis from user to command descriptor */
380 h2d->fis_type = cfis->fis_type;
381 h2d->pm_port_c = cfis->pm_port_c;
382 h2d->command = cfis->command;
384 h2d->features = cfis->features;
385 h2d->features_exp = cfis->features_exp;
387 h2d->lba_low = cfis->lba_low;
388 h2d->lba_mid = cfis->lba_mid;
389 h2d->lba_high = cfis->lba_high;
390 h2d->lba_low_exp = cfis->lba_low_exp;
391 h2d->lba_mid_exp = cfis->lba_mid_exp;
392 h2d->lba_high_exp = cfis->lba_high_exp;
395 h2d->sector_count = cfis->sector_count;
396 h2d->sector_count_exp = cfis->sector_count_exp;
398 h2d->sector_count = (u8)(tag << 3);
401 h2d->device = cfis->device;
402 h2d->control = cfis->control;
404 /* Setup the PRD table */
405 prde = (prd_entry_t *)cmd_desc->prdt;
406 memset((void *)prde, 0, sizeof(struct prdt));
410 for (i = 0; i < SATA_HC_MAX_PRD_DIRECT; i++) {
413 prde->dba = cpu_to_le32((u32)buffer & ~0x3);
414 debug("dba = %08x\n\r", (u32)buffer);
416 if (len < PRD_ENTRY_MAX_XFER_SZ) {
417 ext_c_ddc = PRD_ENTRY_DATA_SNOOP | len;
418 debug("ext_c_ddc1 = %08x, len = %08x\n\r", ext_c_ddc, len);
419 prde->ext_c_ddc = cpu_to_le32(ext_c_ddc);
424 ext_c_ddc = PRD_ENTRY_DATA_SNOOP; /* 4M bytes */
425 debug("ext_c_ddc2 = %08x, len = %08x\n\r", ext_c_ddc, len);
426 prde->ext_c_ddc = cpu_to_le32(ext_c_ddc);
427 buffer += PRD_ENTRY_MAX_XFER_SZ;
428 len -= PRD_ENTRY_MAX_XFER_SZ;
434 /* Setup the command slot of cmd hdr */
435 cmd_hdr = (cmd_hdr_entry_t *)&sata->cmd_hdr->cmd_slot[tag];
437 cmd_hdr->cda = cpu_to_le32((u32)cmd_desc & ~0x3);
439 val32 = prde_count << CMD_HDR_PRD_ENTRY_SHIFT;
440 val32 |= sizeof(sata_fis_h2d_t);
441 cmd_hdr->prde_fis_len = cpu_to_le32(val32);
443 cmd_hdr->ttl = cpu_to_le32(ttl);
446 val32 = CMD_HDR_ATTR_RES | CMD_HDR_ATTR_SNOOP;
448 val32 = CMD_HDR_ATTR_RES | CMD_HDR_ATTR_SNOOP | CMD_HDR_ATTR_FPDMA;
451 tag &= CMD_HDR_ATTR_TAG;
454 debug("attribute = %08x\n\r", val32);
455 cmd_hdr->attribute = cpu_to_le32(val32);
457 /* Make sure cmd desc and cmd slot valid before commmand issue */
461 val32 = (u32)(h2d->pm_port_c & 0x0f);
462 out_le32(®->cqpmp, val32);
465 if (ata_wait_register(®->car, (1 << tag), 0, 10000))
466 printf("Wait no active time out\n\r");
469 if (!(in_le32(®->cqr) & (1 << tag))) {
471 out_le32(®->cqr, val32);
474 /* Wait command completed for 10s */
475 if (ata_wait_register(®->ccr, (1 << tag), (1 << tag), 10000)) {
477 printf("Non-NCQ command time out\n\r");
479 printf("NCQ command time out\n\r");
482 val32 = in_le32(®->cer);
486 fsl_sata_dump_sfis((struct sfis *)cmd_desc->sfis);
487 printf("CE at device\n\r");
488 fsl_sata_dump_regs(reg);
489 der = in_le32(®->der);
490 out_le32(®->cer, val32);
491 out_le32(®->der, der);
494 /* Clear complete flags */
495 val32 = in_le32(®->ccr);
496 out_le32(®->ccr, val32);
501 static int fsl_ata_exec_reset_cmd(struct fsl_sata *sata, struct cfis *cfis,
502 int tag, u8 *buffer, u32 len)
507 static int fsl_sata_exec_cmd(struct fsl_sata *sata, struct cfis *cfis,
508 enum cmd_type command_type, int tag, u8 *buffer, u32 len)
512 if (tag > SATA_HC_MAX_CMD || tag < 0) {
513 printf("tag is out of range, tag=\n\r", tag);
517 switch (command_type) {
519 rc = fsl_ata_exec_ata_cmd(sata, cfis, 0, tag, buffer, len);
522 rc = fsl_ata_exec_reset_cmd(sata, cfis, tag, buffer, len);
525 rc = fsl_ata_exec_ata_cmd(sata, cfis, 1, tag, buffer, len);
528 case CMD_VENDOR_BIST:
530 printf("not support now\n\r");
539 static void fsl_sata_identify(int dev, u16 *id)
541 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
542 struct sata_fis_h2d h2d;
545 cfis = (struct cfis *)&h2d;
546 memset((void *)cfis, 0, sizeof(struct cfis));
548 cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D;
549 cfis->pm_port_c = 0x80; /* is command */
550 cfis->command = ATA_CMD_ID_ATA;
552 fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, (u8 *)id, ATA_ID_WORDS * 2);
553 ata_swap_buf_le16(id, ATA_ID_WORDS);
556 static void fsl_sata_xfer_mode(int dev, u16 *id)
558 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
560 sata->pio = id[ATA_ID_PIO_MODES];
561 sata->mwdma = id[ATA_ID_MWDMA_MODES];
562 sata->udma = id[ATA_ID_UDMA_MODES];
563 debug("pio %04x, mwdma %04x, udma %04x\n\r", sata->pio, sata->mwdma, sata->udma);
566 static void fsl_sata_set_features(int dev)
568 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
569 struct sata_fis_h2d h2d;
573 cfis = (struct cfis *)&h2d;
574 memset((void *)cfis, 0, sizeof(struct cfis));
576 cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D;
577 cfis->pm_port_c = 0x80; /* is command */
578 cfis->command = ATA_CMD_SET_FEATURES;
579 cfis->features = SETFEATURES_XFER;
581 /* First check the device capablity */
582 udma_cap = (u8)(sata->udma & 0xff);
583 debug("udma_cap %02x\n\r", udma_cap);
585 if (udma_cap == ATA_UDMA6)
586 cfis->sector_count = XFER_UDMA_6;
587 if (udma_cap == ATA_UDMA5)
588 cfis->sector_count = XFER_UDMA_5;
589 if (udma_cap == ATA_UDMA4)
590 cfis->sector_count = XFER_UDMA_4;
591 if (udma_cap == ATA_UDMA3)
592 cfis->sector_count = XFER_UDMA_3;
594 fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, NULL, 0);
597 static u32 fsl_sata_rw_cmd(int dev, u32 start, u32 blkcnt, u8 *buffer, int is_write)
599 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
600 struct sata_fis_h2d h2d;
605 cfis = (struct cfis *)&h2d;
607 memset((void *)cfis, 0, sizeof(struct cfis));
609 cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D;
610 cfis->pm_port_c = 0x80; /* is command */
611 cfis->command = (is_write) ? ATA_CMD_WRITE : ATA_CMD_READ;
612 cfis->device = ATA_LBA;
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);
620 fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, buffer, ATA_SECT_SIZE * blkcnt);
624 void fsl_sata_flush_cache(int dev)
626 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
627 struct sata_fis_h2d h2d;
630 cfis = (struct cfis *)&h2d;
632 memset((void *)cfis, 0, sizeof(struct cfis));
634 cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D;
635 cfis->pm_port_c = 0x80; /* is command */
636 cfis->command = ATA_CMD_FLUSH;
638 fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, NULL, 0);
641 static u32 fsl_sata_rw_cmd_ext(int dev, u32 start, u32 blkcnt, u8 *buffer, int is_write)
643 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
644 struct sata_fis_h2d h2d;
649 cfis = (struct cfis *)&h2d;
651 memset((void *)cfis, 0, sizeof(struct cfis));
653 cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D;
654 cfis->pm_port_c = 0x80; /* is command */
656 cfis->command = (is_write) ? ATA_CMD_WRITE_EXT
659 cfis->lba_high_exp = (block >> 40) & 0xff;
660 cfis->lba_mid_exp = (block >> 32) & 0xff;
661 cfis->lba_low_exp = (block >> 24) & 0xff;
662 cfis->lba_high = (block >> 16) & 0xff;
663 cfis->lba_mid = (block >> 8) & 0xff;
664 cfis->lba_low = block & 0xff;
665 cfis->device = ATA_LBA;
666 cfis->sector_count_exp = (blkcnt >> 8) & 0xff;
667 cfis->sector_count = blkcnt & 0xff;
669 fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, buffer, ATA_SECT_SIZE * blkcnt);
673 u32 fsl_sata_rw_ncq_cmd(int dev, u32 start, u32 blkcnt, u8 *buffer, int is_write)
675 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
676 struct sata_fis_h2d h2d;
681 if (sata_dev_desc[dev].lba48 != 1) {
682 printf("execute FPDMA command on non-LBA48 hard disk\n\r");
687 cfis = (struct cfis *)&h2d;
689 memset((void *)cfis, 0, sizeof(struct cfis));
691 cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D;
692 cfis->pm_port_c = 0x80; /* is command */
694 cfis->command = (is_write) ? ATA_CMD_FPDMA_WRITE
695 : ATA_CMD_FPDMA_READ;
697 cfis->lba_high_exp = (block >> 40) & 0xff;
698 cfis->lba_mid_exp = (block >> 32) & 0xff;
699 cfis->lba_low_exp = (block >> 24) & 0xff;
700 cfis->lba_high = (block >> 16) & 0xff;
701 cfis->lba_mid = (block >> 8) & 0xff;
702 cfis->lba_low = block & 0xff;
704 cfis->device = ATA_LBA;
705 cfis->features_exp = (blkcnt >> 8) & 0xff;
706 cfis->features = blkcnt & 0xff;
708 if (sata->queue_depth >= SATA_HC_MAX_CMD)
709 ncq_channel = SATA_HC_MAX_CMD - 1;
711 ncq_channel = sata->queue_depth - 1;
713 /* Use the latest queue */
714 fsl_sata_exec_cmd(sata, cfis, CMD_NCQ, ncq_channel, buffer, ATA_SECT_SIZE * blkcnt);
718 void fsl_sata_flush_cache_ext(int dev)
720 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
721 struct sata_fis_h2d h2d;
724 cfis = (struct cfis *)&h2d;
726 memset((void *)cfis, 0, sizeof(struct cfis));
728 cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D;
729 cfis->pm_port_c = 0x80; /* is command */
730 cfis->command = ATA_CMD_FLUSH_EXT;
732 fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, NULL, 0);
735 /* Software reset, set SRST of the Device Control register */
736 void fsl_sata_software_reset(int dev)
741 static void fsl_sata_init_wcache(int dev, u16 *id)
743 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
745 if (ata_id_has_wcache(id) && ata_id_wcache_enabled(id))
747 if (ata_id_has_flush(id))
749 if (ata_id_has_flush_ext(id))
753 static int fsl_sata_get_wcache(int dev)
755 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
759 static int fsl_sata_get_flush(int dev)
761 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
765 static int fsl_sata_get_flush_ext(int dev)
767 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
768 return sata->flush_ext;
771 u32 ata_low_level_rw_lba48(int dev, u32 blknr, u32 blkcnt, void *buffer, int is_write)
781 max_blks = ATA_MAX_SECTORS_LBA48;
783 if (blks > max_blks) {
784 if (fsl_sata_info[dev].flags != FLAGS_FPDMA)
785 fsl_sata_rw_cmd_ext(dev, start, max_blks, addr, is_write);
787 fsl_sata_rw_ncq_cmd(dev, start, max_blks, addr, is_write);
790 addr += ATA_SECT_SIZE * max_blks;
792 if (fsl_sata_info[dev].flags != FLAGS_FPDMA)
793 fsl_sata_rw_cmd_ext(dev, start, blks, addr, is_write);
795 fsl_sata_rw_ncq_cmd(dev, start, blks, addr, is_write);
798 addr += ATA_SECT_SIZE * blks;
805 u32 ata_low_level_rw_lba28(int dev, u32 blknr, u32 blkcnt, void *buffer, int is_write)
815 max_blks = ATA_MAX_SECTORS;
817 if (blks > max_blks) {
818 fsl_sata_rw_cmd(dev, start, max_blks, addr, is_write);
821 addr += ATA_SECT_SIZE * max_blks;
823 fsl_sata_rw_cmd(dev, start, blks, addr, is_write);
826 addr += ATA_SECT_SIZE * blks;
834 * SATA interface between low level driver and command layer
836 ulong sata_read(int dev, u32 blknr, u32 blkcnt, void *buffer)
840 if (sata_dev_desc[dev].lba48)
841 rc = ata_low_level_rw_lba48(dev, blknr, blkcnt, buffer, READ_CMD);
843 rc = ata_low_level_rw_lba28(dev, blknr, blkcnt, buffer, READ_CMD);
847 ulong sata_write(int dev, u32 blknr, u32 blkcnt, void *buffer)
851 if (sata_dev_desc[dev].lba48) {
852 rc = ata_low_level_rw_lba48(dev, blknr, blkcnt, buffer, WRITE_CMD);
853 if (fsl_sata_get_wcache(dev) && fsl_sata_get_flush_ext(dev))
854 fsl_sata_flush_cache_ext(dev);
856 rc = ata_low_level_rw_lba28(dev, blknr, blkcnt, buffer, WRITE_CMD);
857 if (fsl_sata_get_wcache(dev) && fsl_sata_get_flush(dev))
858 fsl_sata_flush_cache(dev);
863 int scan_sata(int dev)
865 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
866 unsigned char serial[ATA_ID_SERNO_LEN + 1];
867 unsigned char firmware[ATA_ID_FW_REV_LEN + 1];
868 unsigned char product[ATA_ID_PROD_LEN + 1];
872 /* if no detected link */
876 id = (u16 *)malloc(ATA_ID_WORDS * 2);
878 printf("id malloc failed\n\r");
882 /* Identify device to get information */
883 fsl_sata_identify(dev, id);
886 ata_id_c_string(id, serial, ATA_ID_SERNO, sizeof(serial));
887 memcpy(sata_dev_desc[dev].product, serial, sizeof(serial));
889 /* Firmware version */
890 ata_id_c_string(id, firmware, ATA_ID_FW_REV, sizeof(firmware));
891 memcpy(sata_dev_desc[dev].revision, firmware, sizeof(firmware));
894 ata_id_c_string(id, product, ATA_ID_PROD, sizeof(product));
895 memcpy(sata_dev_desc[dev].vendor, product, sizeof(product));
898 n_sectors = ata_id_n_sectors(id);
899 sata_dev_desc[dev].lba = (u32)n_sectors;
901 /* Check if support LBA48 */
902 if (ata_id_has_lba48(id)) {
903 sata_dev_desc[dev].lba48 = 1;
904 debug("Device support LBA48\n\r");
907 /* Get the NCQ queue depth from device */
908 sata->queue_depth = ata_id_queue_depth(id);
910 /* Get the xfer mode from device */
911 fsl_sata_xfer_mode(dev, id);
913 /* Get the write cache status from device */
914 fsl_sata_init_wcache(dev, id);
916 /* Set the xfer mode to highest speed */
917 fsl_sata_set_features(dev);
919 fsl_sata_identify(dev, id);