2 * Copyright (C) 2008,2010 Freescale Semiconductor, Inc.
3 * Dave Liu <daveliu@freescale.com>
5 * SPDX-License-Identifier: GPL-2.0+
11 #include <asm/processor.h>
12 #include <asm/fsl_serdes.h>
19 #ifndef CONFIG_SYS_SATA1_FLAGS
20 #define CONFIG_SYS_SATA1_FLAGS FLAGS_DMA
22 #ifndef CONFIG_SYS_SATA2_FLAGS
23 #define CONFIG_SYS_SATA2_FLAGS FLAGS_DMA
26 static struct fsl_sata_info fsl_sata_info[] = {
28 {CONFIG_SYS_SATA1, CONFIG_SYS_SATA1_FLAGS},
33 {CONFIG_SYS_SATA2, CONFIG_SYS_SATA2_FLAGS},
39 static inline void sdelay(unsigned long sec)
42 for (i = 0; i < sec; i++)
46 static void fsl_sata_dump_sfis(struct sata_fis_d2h *s)
48 printf("Status FIS dump:\n\r");
49 printf("fis_type: %02x\n\r", s->fis_type);
50 printf("pm_port_i: %02x\n\r", s->pm_port_i);
51 printf("status: %02x\n\r", s->status);
52 printf("error: %02x\n\r", s->error);
53 printf("lba_low: %02x\n\r", s->lba_low);
54 printf("lba_mid: %02x\n\r", s->lba_mid);
55 printf("lba_high: %02x\n\r", s->lba_high);
56 printf("device: %02x\n\r", s->device);
57 printf("lba_low_exp: %02x\n\r", s->lba_low_exp);
58 printf("lba_mid_exp: %02x\n\r", s->lba_mid_exp);
59 printf("lba_high_exp: %02x\n\r", s->lba_high_exp);
60 printf("res1: %02x\n\r", s->res1);
61 printf("sector_count: %02x\n\r", s->sector_count);
62 printf("sector_count_exp: %02x\n\r", s->sector_count_exp);
65 static int ata_wait_register(unsigned __iomem *addr, u32 mask,
66 u32 val, u32 timeout_msec)
71 for (i = 0; (((temp = in_le32(addr)) & mask) != val)
72 && i < timeout_msec; i++)
74 return (i < timeout_msec) ? 0 : -1;
77 int init_sata(int dev)
80 cmd_hdr_tbl_t *cmd_hdr;
83 fsl_sata_reg_t __iomem *reg;
88 if (dev < 0 || dev > (CONFIG_SYS_SATA_MAX_DEVICE - 1)) {
89 printf("the sata index %d is out of ranges\n\r", dev);
94 if ((dev == 0) && (!is_serdes_configured(SATA1))) {
95 printf("SATA%d [dev = %d] is not enabled\n", dev+1, dev);
98 if ((dev == 1) && (!is_serdes_configured(SATA2))) {
99 printf("SATA%d [dev = %d] is not enabled\n", dev+1, dev);
104 /* Allocate SATA device driver struct */
105 sata = (fsl_sata_t *)malloc(sizeof(fsl_sata_t));
107 printf("alloc the sata device struct failed\n\r");
110 /* Zero all of the device driver struct */
111 memset((void *)sata, 0, sizeof(fsl_sata_t));
113 /* Save the private struct to block device struct */
114 sata_dev_desc[dev].priv = (void *)sata;
116 sprintf(sata->name, "SATA%d", dev);
118 /* Set the controller register base address to device struct */
119 reg = (fsl_sata_reg_t *)(fsl_sata_info[dev].sata_reg_base);
120 sata->reg_base = reg;
122 /* Allocate the command header table, 4 bytes aligned */
123 length = sizeof(struct cmd_hdr_tbl);
124 align = SATA_HC_CMD_HDR_TBL_ALIGN;
125 sata->cmd_hdr_tbl_offset = (void *)malloc(length + align);
127 printf("alloc the command header failed\n\r");
131 cmd_hdr = (cmd_hdr_tbl_t *)(((u32)sata->cmd_hdr_tbl_offset + align)
133 sata->cmd_hdr = cmd_hdr;
135 /* Zero all of the command header table */
136 memset((void *)sata->cmd_hdr_tbl_offset, 0, length + align);
138 /* Allocate command descriptor for all command */
139 length = sizeof(struct cmd_desc) * SATA_HC_MAX_CMD;
140 align = SATA_HC_CMD_DESC_ALIGN;
141 sata->cmd_desc_offset = (void *)malloc(length + align);
142 if (!sata->cmd_desc_offset) {
143 printf("alloc the command descriptor failed\n\r");
146 sata->cmd_desc = (cmd_desc_t *)(((u32)sata->cmd_desc_offset + align)
148 /* Zero all of command descriptor */
149 memset((void *)sata->cmd_desc_offset, 0, length + align);
151 /* Link the command descriptor to command header */
152 for (i = 0; i < SATA_HC_MAX_CMD; i++) {
153 cda = ((u32)sata->cmd_desc + SATA_HC_CMD_DESC_SIZE * i)
154 & ~(CMD_HDR_CDA_ALIGN - 1);
155 cmd_hdr->cmd_slot[i].cda = cpu_to_le32(cda);
158 /* To have safe state, force the controller offline */
159 val32 = in_le32(®->hcontrol);
160 val32 &= ~HCONTROL_ONOFF;
161 val32 |= HCONTROL_FORCE_OFFLINE;
162 out_le32(®->hcontrol, val32);
164 /* Wait the controller offline */
165 ata_wait_register(®->hstatus, HSTATUS_ONOFF, 0, 1000);
167 /* Set the command header base address to CHBA register to tell DMA */
168 out_le32(®->chba, (u32)cmd_hdr & ~0x3);
170 /* Snoop for the command header */
171 val32 = in_le32(®->hcontrol);
172 val32 |= HCONTROL_HDR_SNOOP;
173 out_le32(®->hcontrol, val32);
175 /* Disable all of interrupts */
176 val32 = in_le32(®->hcontrol);
177 val32 &= ~HCONTROL_INT_EN_ALL;
178 out_le32(®->hcontrol, val32);
180 /* Clear all of interrupts */
181 val32 = in_le32(®->hstatus);
182 out_le32(®->hstatus, val32);
184 /* Set the ICC, no interrupt coalescing */
185 out_le32(®->icc, 0x01000000);
187 /* No PM attatched, the SATA device direct connect */
188 out_le32(®->cqpmp, 0);
190 /* Clear SError register */
191 val32 = in_le32(®->serror);
192 out_le32(®->serror, val32);
194 /* Clear CER register */
195 val32 = in_le32(®->cer);
196 out_le32(®->cer, val32);
198 /* Clear DER register */
199 val32 = in_le32(®->der);
200 out_le32(®->der, val32);
202 /* No device detection or initialization action requested */
203 out_le32(®->scontrol, 0x00000300);
205 /* Configure the transport layer, default value */
206 out_le32(®->transcfg, 0x08000016);
208 /* Configure the link layer, default value */
209 out_le32(®->linkcfg, 0x0000ff34);
211 /* Bring the controller online */
212 val32 = in_le32(®->hcontrol);
213 val32 |= HCONTROL_ONOFF;
214 out_le32(®->hcontrol, val32);
218 /* print sata device name */
220 printf("%s ", sata->name);
222 printf(" %s ", sata->name);
224 /* Wait PHY RDY signal changed for 500ms */
225 ata_wait_register(®->hstatus, HSTATUS_PHY_RDY,
226 HSTATUS_PHY_RDY, 500);
229 val32 = in_le32(®->hstatus);
230 if (val32 & HSTATUS_PHY_RDY) {
234 printf("(No RDY)\n\r");
238 /* Wait for signature updated, which is 1st D2H */
239 ata_wait_register(®->hstatus, HSTATUS_SIGNATURE,
240 HSTATUS_SIGNATURE, 10000);
242 if (val32 & HSTATUS_SIGNATURE) {
243 sig = in_le32(®->sig);
244 debug("Signature updated, the sig =%08x\n\r", sig);
245 sata->ata_device_type = ata_dev_classify(sig);
248 /* Check the speed */
249 val32 = in_le32(®->sstatus);
250 if ((val32 & SSTATUS_SPD_MASK) == SSTATUS_SPD_GEN1)
251 printf("(1.5 Gbps)\n\r");
252 else if ((val32 & SSTATUS_SPD_MASK) == SSTATUS_SPD_GEN2)
253 printf("(3 Gbps)\n\r");
258 static void fsl_sata_dump_regs(fsl_sata_reg_t __iomem *reg)
260 printf("\n\rSATA: %08x\n\r", (u32)reg);
261 printf("CQR: %08x\n\r", in_le32(®->cqr));
262 printf("CAR: %08x\n\r", in_le32(®->car));
263 printf("CCR: %08x\n\r", in_le32(®->ccr));
264 printf("CER: %08x\n\r", in_le32(®->cer));
265 printf("CQR: %08x\n\r", in_le32(®->cqr));
266 printf("DER: %08x\n\r", in_le32(®->der));
267 printf("CHBA: %08x\n\r", in_le32(®->chba));
268 printf("HStatus: %08x\n\r", in_le32(®->hstatus));
269 printf("HControl: %08x\n\r", in_le32(®->hcontrol));
270 printf("CQPMP: %08x\n\r", in_le32(®->cqpmp));
271 printf("SIG: %08x\n\r", in_le32(®->sig));
272 printf("ICC: %08x\n\r", in_le32(®->icc));
273 printf("SStatus: %08x\n\r", in_le32(®->sstatus));
274 printf("SError: %08x\n\r", in_le32(®->serror));
275 printf("SControl: %08x\n\r", in_le32(®->scontrol));
276 printf("SNotification: %08x\n\r", in_le32(®->snotification));
277 printf("TransCfg: %08x\n\r", in_le32(®->transcfg));
278 printf("TransStatus: %08x\n\r", in_le32(®->transstatus));
279 printf("LinkCfg: %08x\n\r", in_le32(®->linkcfg));
280 printf("LinkCfg1: %08x\n\r", in_le32(®->linkcfg1));
281 printf("LinkCfg2: %08x\n\r", in_le32(®->linkcfg2));
282 printf("LinkStatus: %08x\n\r", in_le32(®->linkstatus));
283 printf("LinkStatus1: %08x\n\r", in_le32(®->linkstatus1));
284 printf("PhyCtrlCfg: %08x\n\r", in_le32(®->phyctrlcfg));
285 printf("SYSPR: %08x\n\r", in_be32(®->syspr));
288 static int fsl_ata_exec_ata_cmd(struct fsl_sata *sata, struct sata_fis_h2d *cfis,
289 int is_ncq, int tag, u8 *buffer, u32 len)
291 cmd_hdr_entry_t *cmd_hdr;
292 cmd_desc_t *cmd_desc;
299 fsl_sata_reg_t __iomem *reg = sata->reg_base;
302 /* Check xfer length */
303 if (len > SATA_HC_MAX_XFER_LEN) {
304 printf("max transfer length is 64MB\n\r");
308 /* Setup the command descriptor */
309 cmd_desc = sata->cmd_desc + tag;
311 /* Get the pointer cfis of command descriptor */
312 h2d = (sata_fis_h2d_t *)cmd_desc->cfis;
314 /* Zero the cfis of command descriptor */
315 memset((void *)h2d, 0, SATA_HC_CMD_DESC_CFIS_SIZE);
317 /* Copy the cfis from user to command descriptor */
318 h2d->fis_type = cfis->fis_type;
319 h2d->pm_port_c = cfis->pm_port_c;
320 h2d->command = cfis->command;
322 h2d->features = cfis->features;
323 h2d->features_exp = cfis->features_exp;
325 h2d->lba_low = cfis->lba_low;
326 h2d->lba_mid = cfis->lba_mid;
327 h2d->lba_high = cfis->lba_high;
328 h2d->lba_low_exp = cfis->lba_low_exp;
329 h2d->lba_mid_exp = cfis->lba_mid_exp;
330 h2d->lba_high_exp = cfis->lba_high_exp;
333 h2d->sector_count = cfis->sector_count;
334 h2d->sector_count_exp = cfis->sector_count_exp;
336 h2d->sector_count = (u8)(tag << 3);
339 h2d->device = cfis->device;
340 h2d->control = cfis->control;
342 /* Setup the PRD table */
343 prde = (prd_entry_t *)cmd_desc->prdt;
344 memset((void *)prde, 0, sizeof(struct prdt));
348 for (i = 0; i < SATA_HC_MAX_PRD_DIRECT; i++) {
351 prde->dba = cpu_to_le32((u32)buffer & ~0x3);
352 debug("dba = %08x\n\r", (u32)buffer);
354 if (len < PRD_ENTRY_MAX_XFER_SZ) {
355 ext_c_ddc = PRD_ENTRY_DATA_SNOOP | len;
356 debug("ext_c_ddc1 = %08x, len = %08x\n\r", ext_c_ddc, len);
357 prde->ext_c_ddc = cpu_to_le32(ext_c_ddc);
362 ext_c_ddc = PRD_ENTRY_DATA_SNOOP; /* 4M bytes */
363 debug("ext_c_ddc2 = %08x, len = %08x\n\r", ext_c_ddc, len);
364 prde->ext_c_ddc = cpu_to_le32(ext_c_ddc);
365 buffer += PRD_ENTRY_MAX_XFER_SZ;
366 len -= PRD_ENTRY_MAX_XFER_SZ;
372 /* Setup the command slot of cmd hdr */
373 cmd_hdr = (cmd_hdr_entry_t *)&sata->cmd_hdr->cmd_slot[tag];
375 cmd_hdr->cda = cpu_to_le32((u32)cmd_desc & ~0x3);
377 val32 = prde_count << CMD_HDR_PRD_ENTRY_SHIFT;
378 val32 |= sizeof(sata_fis_h2d_t);
379 cmd_hdr->prde_fis_len = cpu_to_le32(val32);
381 cmd_hdr->ttl = cpu_to_le32(ttl);
384 val32 = CMD_HDR_ATTR_RES | CMD_HDR_ATTR_SNOOP;
386 val32 = CMD_HDR_ATTR_RES | CMD_HDR_ATTR_SNOOP | CMD_HDR_ATTR_FPDMA;
389 tag &= CMD_HDR_ATTR_TAG;
392 debug("attribute = %08x\n\r", val32);
393 cmd_hdr->attribute = cpu_to_le32(val32);
395 /* Make sure cmd desc and cmd slot valid before commmand issue */
399 val32 = (u32)(h2d->pm_port_c & 0x0f);
400 out_le32(®->cqpmp, val32);
403 if (ata_wait_register(®->car, (1 << tag), 0, 10000))
404 printf("Wait no active time out\n\r");
407 if (!(in_le32(®->cqr) & (1 << tag))) {
409 out_le32(®->cqr, val32);
412 /* Wait command completed for 10s */
413 if (ata_wait_register(®->ccr, (1 << tag), (1 << tag), 10000)) {
415 printf("Non-NCQ command time out\n\r");
417 printf("NCQ command time out\n\r");
420 val32 = in_le32(®->cer);
424 fsl_sata_dump_sfis((struct sata_fis_d2h *)cmd_desc->sfis);
425 printf("CE at device\n\r");
426 fsl_sata_dump_regs(reg);
427 der = in_le32(®->der);
428 out_le32(®->cer, val32);
429 out_le32(®->der, der);
432 /* Clear complete flags */
433 val32 = in_le32(®->ccr);
434 out_le32(®->ccr, val32);
439 static int fsl_ata_exec_reset_cmd(struct fsl_sata *sata, struct sata_fis_h2d *cfis,
440 int tag, u8 *buffer, u32 len)
445 static int fsl_sata_exec_cmd(struct fsl_sata *sata, struct sata_fis_h2d *cfis,
446 enum cmd_type command_type, int tag, u8 *buffer, u32 len)
450 if (tag > SATA_HC_MAX_CMD || tag < 0) {
451 printf("tag is out of range, tag=%d\n\r", tag);
455 switch (command_type) {
457 rc = fsl_ata_exec_ata_cmd(sata, cfis, 0, tag, buffer, len);
460 rc = fsl_ata_exec_reset_cmd(sata, cfis, tag, buffer, len);
463 rc = fsl_ata_exec_ata_cmd(sata, cfis, 1, tag, buffer, len);
466 case CMD_VENDOR_BIST:
468 printf("not support now\n\r");
477 static void fsl_sata_identify(int dev, u16 *id)
479 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
480 struct sata_fis_h2d h2d, *cfis = &h2d;
482 memset(cfis, 0, sizeof(struct sata_fis_h2d));
484 cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D;
485 cfis->pm_port_c = 0x80; /* is command */
486 cfis->command = ATA_CMD_ID_ATA;
488 fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, (u8 *)id, ATA_ID_WORDS * 2);
489 ata_swap_buf_le16(id, ATA_ID_WORDS);
492 static void fsl_sata_xfer_mode(int dev, u16 *id)
494 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
496 sata->pio = id[ATA_ID_PIO_MODES];
497 sata->mwdma = id[ATA_ID_MWDMA_MODES];
498 sata->udma = id[ATA_ID_UDMA_MODES];
499 debug("pio %04x, mwdma %04x, udma %04x\n\r", sata->pio, sata->mwdma, sata->udma);
502 static void fsl_sata_set_features(int dev)
504 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
505 struct sata_fis_h2d h2d, *cfis = &h2d;
508 memset(cfis, 0, sizeof(struct sata_fis_h2d));
510 cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D;
511 cfis->pm_port_c = 0x80; /* is command */
512 cfis->command = ATA_CMD_SET_FEATURES;
513 cfis->features = SETFEATURES_XFER;
515 /* First check the device capablity */
516 udma_cap = (u8)(sata->udma & 0xff);
517 debug("udma_cap %02x\n\r", udma_cap);
519 if (udma_cap == ATA_UDMA6)
520 cfis->sector_count = XFER_UDMA_6;
521 if (udma_cap == ATA_UDMA5)
522 cfis->sector_count = XFER_UDMA_5;
523 if (udma_cap == ATA_UDMA4)
524 cfis->sector_count = XFER_UDMA_4;
525 if (udma_cap == ATA_UDMA3)
526 cfis->sector_count = XFER_UDMA_3;
528 fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, NULL, 0);
531 static u32 fsl_sata_rw_cmd(int dev, u32 start, u32 blkcnt, u8 *buffer, int is_write)
533 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
534 struct sata_fis_h2d h2d, *cfis = &h2d;
539 memset(cfis, 0, sizeof(struct sata_fis_h2d));
541 cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D;
542 cfis->pm_port_c = 0x80; /* is command */
543 cfis->command = (is_write) ? ATA_CMD_WRITE : ATA_CMD_READ;
544 cfis->device = ATA_LBA;
546 cfis->device |= (block >> 24) & 0xf;
547 cfis->lba_high = (block >> 16) & 0xff;
548 cfis->lba_mid = (block >> 8) & 0xff;
549 cfis->lba_low = block & 0xff;
550 cfis->sector_count = (u8)(blkcnt & 0xff);
552 fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, buffer, ATA_SECT_SIZE * blkcnt);
556 static void fsl_sata_flush_cache(int dev)
558 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
559 struct sata_fis_h2d h2d, *cfis = &h2d;
561 memset(cfis, 0, sizeof(struct sata_fis_h2d));
563 cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D;
564 cfis->pm_port_c = 0x80; /* is command */
565 cfis->command = ATA_CMD_FLUSH;
567 fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, NULL, 0);
570 static u32 fsl_sata_rw_cmd_ext(int dev, u32 start, u32 blkcnt, u8 *buffer, int is_write)
572 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
573 struct sata_fis_h2d h2d, *cfis = &h2d;
578 memset(cfis, 0, sizeof(struct sata_fis_h2d));
580 cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D;
581 cfis->pm_port_c = 0x80; /* is command */
583 cfis->command = (is_write) ? ATA_CMD_WRITE_EXT
586 cfis->lba_high_exp = (block >> 40) & 0xff;
587 cfis->lba_mid_exp = (block >> 32) & 0xff;
588 cfis->lba_low_exp = (block >> 24) & 0xff;
589 cfis->lba_high = (block >> 16) & 0xff;
590 cfis->lba_mid = (block >> 8) & 0xff;
591 cfis->lba_low = block & 0xff;
592 cfis->device = ATA_LBA;
593 cfis->sector_count_exp = (blkcnt >> 8) & 0xff;
594 cfis->sector_count = blkcnt & 0xff;
596 fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, buffer, ATA_SECT_SIZE * blkcnt);
600 static u32 fsl_sata_rw_ncq_cmd(int dev, u32 start, u32 blkcnt, u8 *buffer,
603 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
604 struct sata_fis_h2d h2d, *cfis = &h2d;
608 if (sata->lba48 != 1) {
609 printf("execute FPDMA command on non-LBA48 hard disk\n\r");
615 memset(cfis, 0, sizeof(struct sata_fis_h2d));
617 cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D;
618 cfis->pm_port_c = 0x80; /* is command */
620 cfis->command = (is_write) ? ATA_CMD_FPDMA_WRITE
621 : ATA_CMD_FPDMA_READ;
623 cfis->lba_high_exp = (block >> 40) & 0xff;
624 cfis->lba_mid_exp = (block >> 32) & 0xff;
625 cfis->lba_low_exp = (block >> 24) & 0xff;
626 cfis->lba_high = (block >> 16) & 0xff;
627 cfis->lba_mid = (block >> 8) & 0xff;
628 cfis->lba_low = block & 0xff;
630 cfis->device = ATA_LBA;
631 cfis->features_exp = (blkcnt >> 8) & 0xff;
632 cfis->features = blkcnt & 0xff;
634 if (sata->queue_depth >= SATA_HC_MAX_CMD)
635 ncq_channel = SATA_HC_MAX_CMD - 1;
637 ncq_channel = sata->queue_depth - 1;
639 /* Use the latest queue */
640 fsl_sata_exec_cmd(sata, cfis, CMD_NCQ, ncq_channel, buffer, ATA_SECT_SIZE * blkcnt);
644 static void fsl_sata_flush_cache_ext(int dev)
646 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
647 struct sata_fis_h2d h2d, *cfis = &h2d;
649 memset(cfis, 0, sizeof(struct sata_fis_h2d));
651 cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D;
652 cfis->pm_port_c = 0x80; /* is command */
653 cfis->command = ATA_CMD_FLUSH_EXT;
655 fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, NULL, 0);
658 static void fsl_sata_init_wcache(int dev, u16 *id)
660 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
662 if (ata_id_has_wcache(id) && ata_id_wcache_enabled(id))
664 if (ata_id_has_flush(id))
666 if (ata_id_has_flush_ext(id))
670 static int fsl_sata_get_wcache(int dev)
672 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
676 static int fsl_sata_get_flush(int dev)
678 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
682 static int fsl_sata_get_flush_ext(int dev)
684 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
685 return sata->flush_ext;
688 static u32 ata_low_level_rw_lba48(int dev, u32 blknr, lbaint_t blkcnt,
689 const void *buffer, int is_write)
699 max_blks = ATA_MAX_SECTORS_LBA48;
701 if (blks > max_blks) {
702 if (fsl_sata_info[dev].flags != FLAGS_FPDMA)
703 fsl_sata_rw_cmd_ext(dev, start, max_blks, addr, is_write);
705 fsl_sata_rw_ncq_cmd(dev, start, max_blks, addr, is_write);
708 addr += ATA_SECT_SIZE * max_blks;
710 if (fsl_sata_info[dev].flags != FLAGS_FPDMA)
711 fsl_sata_rw_cmd_ext(dev, start, blks, addr, is_write);
713 fsl_sata_rw_ncq_cmd(dev, start, blks, addr, is_write);
716 addr += ATA_SECT_SIZE * blks;
723 static u32 ata_low_level_rw_lba28(int dev, u32 blknr, u32 blkcnt,
724 const void *buffer, int is_write)
734 max_blks = ATA_MAX_SECTORS;
736 if (blks > max_blks) {
737 fsl_sata_rw_cmd(dev, start, max_blks, addr, is_write);
740 addr += ATA_SECT_SIZE * max_blks;
742 fsl_sata_rw_cmd(dev, start, blks, addr, is_write);
745 addr += ATA_SECT_SIZE * blks;
753 * SATA interface between low level driver and command layer
755 ulong sata_read(int dev, ulong blknr, lbaint_t blkcnt, void *buffer)
758 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
761 rc = ata_low_level_rw_lba48(dev, blknr, blkcnt, buffer, READ_CMD);
763 rc = ata_low_level_rw_lba28(dev, blknr, blkcnt, buffer, READ_CMD);
767 ulong sata_write(int dev, ulong blknr, lbaint_t blkcnt, const void *buffer)
770 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
773 rc = ata_low_level_rw_lba48(dev, blknr, blkcnt, buffer, WRITE_CMD);
774 if (fsl_sata_get_wcache(dev) && fsl_sata_get_flush_ext(dev))
775 fsl_sata_flush_cache_ext(dev);
777 rc = ata_low_level_rw_lba28(dev, blknr, blkcnt, buffer, WRITE_CMD);
778 if (fsl_sata_get_wcache(dev) && fsl_sata_get_flush(dev))
779 fsl_sata_flush_cache(dev);
784 int scan_sata(int dev)
786 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
787 unsigned char serial[ATA_ID_SERNO_LEN + 1];
788 unsigned char firmware[ATA_ID_FW_REV_LEN + 1];
789 unsigned char product[ATA_ID_PROD_LEN + 1];
793 /* if no detected link */
797 id = (u16 *)malloc(ATA_ID_WORDS * 2);
799 printf("id malloc failed\n\r");
803 /* Identify device to get information */
804 fsl_sata_identify(dev, id);
807 ata_id_c_string(id, serial, ATA_ID_SERNO, sizeof(serial));
808 memcpy(sata_dev_desc[dev].product, serial, sizeof(serial));
810 /* Firmware version */
811 ata_id_c_string(id, firmware, ATA_ID_FW_REV, sizeof(firmware));
812 memcpy(sata_dev_desc[dev].revision, firmware, sizeof(firmware));
815 ata_id_c_string(id, product, ATA_ID_PROD, sizeof(product));
816 memcpy(sata_dev_desc[dev].vendor, product, sizeof(product));
819 n_sectors = ata_id_n_sectors(id);
820 sata_dev_desc[dev].lba = (u32)n_sectors;
823 /* Check if support LBA48 */
824 if (ata_id_has_lba48(id)) {
826 debug("Device support LBA48\n\r");
828 debug("Device supports LBA28\n\r");
831 /* Get the NCQ queue depth from device */
832 sata->queue_depth = ata_id_queue_depth(id);
834 /* Get the xfer mode from device */
835 fsl_sata_xfer_mode(dev, id);
837 /* Get the write cache status from device */
838 fsl_sata_init_wcache(dev, id);
840 /* Set the xfer mode to highest speed */
841 fsl_sata_set_features(dev);
843 fsl_sata_identify(dev, id);