2 * Copyright (C) 2008,2010 Freescale Semiconductor, Inc.
3 * Dave Liu <daveliu@freescale.com>
5 * SPDX-License-Identifier: GPL-2.0+
12 #include <asm/processor.h>
13 #include <asm/fsl_serdes.h>
20 #ifndef CONFIG_SYS_SATA1_FLAGS
21 #define CONFIG_SYS_SATA1_FLAGS FLAGS_DMA
23 #ifndef CONFIG_SYS_SATA2_FLAGS
24 #define CONFIG_SYS_SATA2_FLAGS FLAGS_DMA
27 static struct fsl_sata_info fsl_sata_info[] = {
29 {CONFIG_SYS_SATA1, CONFIG_SYS_SATA1_FLAGS},
34 {CONFIG_SYS_SATA2, CONFIG_SYS_SATA2_FLAGS},
40 static inline void sdelay(unsigned long sec)
43 for (i = 0; i < sec; i++)
47 static void fsl_sata_dump_sfis(struct sata_fis_d2h *s)
49 printf("Status FIS dump:\n\r");
50 printf("fis_type: %02x\n\r", s->fis_type);
51 printf("pm_port_i: %02x\n\r", s->pm_port_i);
52 printf("status: %02x\n\r", s->status);
53 printf("error: %02x\n\r", s->error);
54 printf("lba_low: %02x\n\r", s->lba_low);
55 printf("lba_mid: %02x\n\r", s->lba_mid);
56 printf("lba_high: %02x\n\r", s->lba_high);
57 printf("device: %02x\n\r", s->device);
58 printf("lba_low_exp: %02x\n\r", s->lba_low_exp);
59 printf("lba_mid_exp: %02x\n\r", s->lba_mid_exp);
60 printf("lba_high_exp: %02x\n\r", s->lba_high_exp);
61 printf("res1: %02x\n\r", s->res1);
62 printf("sector_count: %02x\n\r", s->sector_count);
63 printf("sector_count_exp: %02x\n\r", s->sector_count_exp);
66 static int ata_wait_register(unsigned __iomem *addr, u32 mask,
67 u32 val, u32 timeout_msec)
72 for (i = 0; (((temp = in_le32(addr)) & mask) != val)
73 && i < timeout_msec; i++)
75 return (i < timeout_msec) ? 0 : -1;
78 int init_sata(int dev)
81 cmd_hdr_tbl_t *cmd_hdr;
84 fsl_sata_reg_t __iomem *reg;
89 if (dev < 0 || dev > (CONFIG_SYS_SATA_MAX_DEVICE - 1)) {
90 printf("the sata index %d is out of ranges\n\r", dev);
95 if ((dev == 0) && (!is_serdes_configured(SATA1))) {
96 printf("SATA%d [dev = %d] is not enabled\n", dev+1, dev);
99 if ((dev == 1) && (!is_serdes_configured(SATA2))) {
100 printf("SATA%d [dev = %d] is not enabled\n", dev+1, dev);
105 /* Allocate SATA device driver struct */
106 sata = (fsl_sata_t *)malloc(sizeof(fsl_sata_t));
108 printf("alloc the sata device struct failed\n\r");
111 /* Zero all of the device driver struct */
112 memset((void *)sata, 0, sizeof(fsl_sata_t));
114 /* Save the private struct to block device struct */
115 sata_dev_desc[dev].priv = (void *)sata;
117 snprintf(sata->name, 12, "SATA%d", dev);
119 /* Set the controller register base address to device struct */
120 reg = (fsl_sata_reg_t *)(fsl_sata_info[dev].sata_reg_base);
121 sata->reg_base = reg;
123 /* Allocate the command header table, 4 bytes aligned */
124 length = sizeof(struct cmd_hdr_tbl);
125 align = SATA_HC_CMD_HDR_TBL_ALIGN;
126 sata->cmd_hdr_tbl_offset = (void *)malloc(length + align);
127 if (!sata->cmd_hdr_tbl_offset) {
128 printf("alloc the command header failed\n\r");
132 cmd_hdr = (cmd_hdr_tbl_t *)(((u32)sata->cmd_hdr_tbl_offset + align)
134 sata->cmd_hdr = cmd_hdr;
136 /* Zero all of the command header table */
137 memset((void *)sata->cmd_hdr_tbl_offset, 0, length + align);
139 /* Allocate command descriptor for all command */
140 length = sizeof(struct cmd_desc) * SATA_HC_MAX_CMD;
141 align = SATA_HC_CMD_DESC_ALIGN;
142 sata->cmd_desc_offset = (void *)malloc(length + align);
143 if (!sata->cmd_desc_offset) {
144 printf("alloc the command descriptor failed\n\r");
147 sata->cmd_desc = (cmd_desc_t *)(((u32)sata->cmd_desc_offset + align)
149 /* Zero all of command descriptor */
150 memset((void *)sata->cmd_desc_offset, 0, length + align);
152 /* Link the command descriptor to command header */
153 for (i = 0; i < SATA_HC_MAX_CMD; i++) {
154 cda = ((u32)sata->cmd_desc + SATA_HC_CMD_DESC_SIZE * i)
155 & ~(CMD_HDR_CDA_ALIGN - 1);
156 cmd_hdr->cmd_slot[i].cda = cpu_to_le32(cda);
159 /* To have safe state, force the controller offline */
160 val32 = in_le32(®->hcontrol);
161 val32 &= ~HCONTROL_ONOFF;
162 val32 |= HCONTROL_FORCE_OFFLINE;
163 out_le32(®->hcontrol, val32);
165 /* Wait the controller offline */
166 ata_wait_register(®->hstatus, HSTATUS_ONOFF, 0, 1000);
168 /* Set the command header base address to CHBA register to tell DMA */
169 out_le32(®->chba, (u32)cmd_hdr & ~0x3);
171 /* Snoop for the command header */
172 val32 = in_le32(®->hcontrol);
173 val32 |= HCONTROL_HDR_SNOOP;
174 out_le32(®->hcontrol, val32);
176 /* Disable all of interrupts */
177 val32 = in_le32(®->hcontrol);
178 val32 &= ~HCONTROL_INT_EN_ALL;
179 out_le32(®->hcontrol, val32);
181 /* Clear all of interrupts */
182 val32 = in_le32(®->hstatus);
183 out_le32(®->hstatus, val32);
185 /* Set the ICC, no interrupt coalescing */
186 out_le32(®->icc, 0x01000000);
188 /* No PM attatched, the SATA device direct connect */
189 out_le32(®->cqpmp, 0);
191 /* Clear SError register */
192 val32 = in_le32(®->serror);
193 out_le32(®->serror, val32);
195 /* Clear CER register */
196 val32 = in_le32(®->cer);
197 out_le32(®->cer, val32);
199 /* Clear DER register */
200 val32 = in_le32(®->der);
201 out_le32(®->der, val32);
203 /* No device detection or initialization action requested */
204 out_le32(®->scontrol, 0x00000300);
206 /* Configure the transport layer, default value */
207 out_le32(®->transcfg, 0x08000016);
209 /* Configure the link layer, default value */
210 out_le32(®->linkcfg, 0x0000ff34);
212 /* Bring the controller online */
213 val32 = in_le32(®->hcontrol);
214 val32 |= HCONTROL_ONOFF;
215 out_le32(®->hcontrol, val32);
219 /* print sata device name */
221 printf("%s ", sata->name);
223 printf(" %s ", sata->name);
225 /* Wait PHY RDY signal changed for 500ms */
226 ata_wait_register(®->hstatus, HSTATUS_PHY_RDY,
227 HSTATUS_PHY_RDY, 500);
230 val32 = in_le32(®->hstatus);
231 if (val32 & HSTATUS_PHY_RDY) {
235 printf("(No RDY)\n\r");
239 /* Wait for signature updated, which is 1st D2H */
240 ata_wait_register(®->hstatus, HSTATUS_SIGNATURE,
241 HSTATUS_SIGNATURE, 10000);
243 if (val32 & HSTATUS_SIGNATURE) {
244 sig = in_le32(®->sig);
245 debug("Signature updated, the sig =%08x\n\r", sig);
246 sata->ata_device_type = ata_dev_classify(sig);
249 /* Check the speed */
250 val32 = in_le32(®->sstatus);
251 if ((val32 & SSTATUS_SPD_MASK) == SSTATUS_SPD_GEN1)
252 printf("(1.5 Gbps)\n\r");
253 else if ((val32 & SSTATUS_SPD_MASK) == SSTATUS_SPD_GEN2)
254 printf("(3 Gbps)\n\r");
259 int reset_sata(int dev)
264 static void fsl_sata_dump_regs(fsl_sata_reg_t __iomem *reg)
266 printf("\n\rSATA: %08x\n\r", (u32)reg);
267 printf("CQR: %08x\n\r", in_le32(®->cqr));
268 printf("CAR: %08x\n\r", in_le32(®->car));
269 printf("CCR: %08x\n\r", in_le32(®->ccr));
270 printf("CER: %08x\n\r", in_le32(®->cer));
271 printf("CQR: %08x\n\r", in_le32(®->cqr));
272 printf("DER: %08x\n\r", in_le32(®->der));
273 printf("CHBA: %08x\n\r", in_le32(®->chba));
274 printf("HStatus: %08x\n\r", in_le32(®->hstatus));
275 printf("HControl: %08x\n\r", in_le32(®->hcontrol));
276 printf("CQPMP: %08x\n\r", in_le32(®->cqpmp));
277 printf("SIG: %08x\n\r", in_le32(®->sig));
278 printf("ICC: %08x\n\r", in_le32(®->icc));
279 printf("SStatus: %08x\n\r", in_le32(®->sstatus));
280 printf("SError: %08x\n\r", in_le32(®->serror));
281 printf("SControl: %08x\n\r", in_le32(®->scontrol));
282 printf("SNotification: %08x\n\r", in_le32(®->snotification));
283 printf("TransCfg: %08x\n\r", in_le32(®->transcfg));
284 printf("TransStatus: %08x\n\r", in_le32(®->transstatus));
285 printf("LinkCfg: %08x\n\r", in_le32(®->linkcfg));
286 printf("LinkCfg1: %08x\n\r", in_le32(®->linkcfg1));
287 printf("LinkCfg2: %08x\n\r", in_le32(®->linkcfg2));
288 printf("LinkStatus: %08x\n\r", in_le32(®->linkstatus));
289 printf("LinkStatus1: %08x\n\r", in_le32(®->linkstatus1));
290 printf("PhyCtrlCfg: %08x\n\r", in_le32(®->phyctrlcfg));
291 printf("SYSPR: %08x\n\r", in_be32(®->syspr));
294 static int fsl_ata_exec_ata_cmd(struct fsl_sata *sata, struct sata_fis_h2d *cfis,
295 int is_ncq, int tag, u8 *buffer, u32 len)
297 cmd_hdr_entry_t *cmd_hdr;
298 cmd_desc_t *cmd_desc;
305 fsl_sata_reg_t __iomem *reg = sata->reg_base;
308 /* Check xfer length */
309 if (len > SATA_HC_MAX_XFER_LEN) {
310 printf("max transfer length is 64MB\n\r");
314 /* Setup the command descriptor */
315 cmd_desc = sata->cmd_desc + tag;
317 /* Get the pointer cfis of command descriptor */
318 h2d = (sata_fis_h2d_t *)cmd_desc->cfis;
320 /* Zero the cfis of command descriptor */
321 memset((void *)h2d, 0, SATA_HC_CMD_DESC_CFIS_SIZE);
323 /* Copy the cfis from user to command descriptor */
324 h2d->fis_type = cfis->fis_type;
325 h2d->pm_port_c = cfis->pm_port_c;
326 h2d->command = cfis->command;
328 h2d->features = cfis->features;
329 h2d->features_exp = cfis->features_exp;
331 h2d->lba_low = cfis->lba_low;
332 h2d->lba_mid = cfis->lba_mid;
333 h2d->lba_high = cfis->lba_high;
334 h2d->lba_low_exp = cfis->lba_low_exp;
335 h2d->lba_mid_exp = cfis->lba_mid_exp;
336 h2d->lba_high_exp = cfis->lba_high_exp;
339 h2d->sector_count = cfis->sector_count;
340 h2d->sector_count_exp = cfis->sector_count_exp;
342 h2d->sector_count = (u8)(tag << 3);
345 h2d->device = cfis->device;
346 h2d->control = cfis->control;
348 /* Setup the PRD table */
349 prde = (prd_entry_t *)cmd_desc->prdt;
350 memset((void *)prde, 0, sizeof(struct prdt));
354 for (i = 0; i < SATA_HC_MAX_PRD_DIRECT; i++) {
357 prde->dba = cpu_to_le32((u32)buffer & ~0x3);
358 debug("dba = %08x\n\r", (u32)buffer);
360 if (len < PRD_ENTRY_MAX_XFER_SZ) {
361 ext_c_ddc = PRD_ENTRY_DATA_SNOOP | len;
362 debug("ext_c_ddc1 = %08x, len = %08x\n\r", ext_c_ddc, len);
363 prde->ext_c_ddc = cpu_to_le32(ext_c_ddc);
368 ext_c_ddc = PRD_ENTRY_DATA_SNOOP; /* 4M bytes */
369 debug("ext_c_ddc2 = %08x, len = %08x\n\r", ext_c_ddc, len);
370 prde->ext_c_ddc = cpu_to_le32(ext_c_ddc);
371 buffer += PRD_ENTRY_MAX_XFER_SZ;
372 len -= PRD_ENTRY_MAX_XFER_SZ;
378 /* Setup the command slot of cmd hdr */
379 cmd_hdr = (cmd_hdr_entry_t *)&sata->cmd_hdr->cmd_slot[tag];
381 cmd_hdr->cda = cpu_to_le32((u32)cmd_desc & ~0x3);
383 val32 = prde_count << CMD_HDR_PRD_ENTRY_SHIFT;
384 val32 |= sizeof(sata_fis_h2d_t);
385 cmd_hdr->prde_fis_len = cpu_to_le32(val32);
387 cmd_hdr->ttl = cpu_to_le32(ttl);
390 val32 = CMD_HDR_ATTR_RES | CMD_HDR_ATTR_SNOOP;
392 val32 = CMD_HDR_ATTR_RES | CMD_HDR_ATTR_SNOOP | CMD_HDR_ATTR_FPDMA;
395 tag &= CMD_HDR_ATTR_TAG;
398 debug("attribute = %08x\n\r", val32);
399 cmd_hdr->attribute = cpu_to_le32(val32);
401 /* Make sure cmd desc and cmd slot valid before command issue */
405 val32 = (u32)(h2d->pm_port_c & 0x0f);
406 out_le32(®->cqpmp, val32);
409 if (ata_wait_register(®->car, (1 << tag), 0, 10000))
410 printf("Wait no active time out\n\r");
413 if (!(in_le32(®->cqr) & (1 << tag))) {
415 out_le32(®->cqr, val32);
418 /* Wait command completed for 10s */
419 if (ata_wait_register(®->ccr, (1 << tag), (1 << tag), 10000)) {
421 printf("Non-NCQ command time out\n\r");
423 printf("NCQ command time out\n\r");
426 val32 = in_le32(®->cer);
430 fsl_sata_dump_sfis((struct sata_fis_d2h *)cmd_desc->sfis);
431 printf("CE at device\n\r");
432 fsl_sata_dump_regs(reg);
433 der = in_le32(®->der);
434 out_le32(®->cer, val32);
435 out_le32(®->der, der);
438 /* Clear complete flags */
439 val32 = in_le32(®->ccr);
440 out_le32(®->ccr, val32);
445 static int fsl_ata_exec_reset_cmd(struct fsl_sata *sata, struct sata_fis_h2d *cfis,
446 int tag, u8 *buffer, u32 len)
451 static int fsl_sata_exec_cmd(struct fsl_sata *sata, struct sata_fis_h2d *cfis,
452 enum cmd_type command_type, int tag, u8 *buffer, u32 len)
456 if (tag > SATA_HC_MAX_CMD || tag < 0) {
457 printf("tag is out of range, tag=%d\n\r", tag);
461 switch (command_type) {
463 rc = fsl_ata_exec_ata_cmd(sata, cfis, 0, tag, buffer, len);
466 rc = fsl_ata_exec_reset_cmd(sata, cfis, tag, buffer, len);
469 rc = fsl_ata_exec_ata_cmd(sata, cfis, 1, tag, buffer, len);
472 case CMD_VENDOR_BIST:
474 printf("not support now\n\r");
483 static void fsl_sata_identify(int dev, u16 *id)
485 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
486 struct sata_fis_h2d h2d, *cfis = &h2d;
488 memset(cfis, 0, sizeof(struct sata_fis_h2d));
490 cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D;
491 cfis->pm_port_c = 0x80; /* is command */
492 cfis->command = ATA_CMD_ID_ATA;
494 fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, (u8 *)id, ATA_ID_WORDS * 2);
495 ata_swap_buf_le16(id, ATA_ID_WORDS);
498 static void fsl_sata_xfer_mode(int dev, u16 *id)
500 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
502 sata->pio = id[ATA_ID_PIO_MODES];
503 sata->mwdma = id[ATA_ID_MWDMA_MODES];
504 sata->udma = id[ATA_ID_UDMA_MODES];
505 debug("pio %04x, mwdma %04x, udma %04x\n\r", sata->pio, sata->mwdma, sata->udma);
508 static void fsl_sata_set_features(int dev)
510 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
511 struct sata_fis_h2d h2d, *cfis = &h2d;
514 memset(cfis, 0, sizeof(struct sata_fis_h2d));
516 cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D;
517 cfis->pm_port_c = 0x80; /* is command */
518 cfis->command = ATA_CMD_SET_FEATURES;
519 cfis->features = SETFEATURES_XFER;
521 /* First check the device capablity */
522 udma_cap = (u8)(sata->udma & 0xff);
523 debug("udma_cap %02x\n\r", udma_cap);
525 if (udma_cap == ATA_UDMA6)
526 cfis->sector_count = XFER_UDMA_6;
527 if (udma_cap == ATA_UDMA5)
528 cfis->sector_count = XFER_UDMA_5;
529 if (udma_cap == ATA_UDMA4)
530 cfis->sector_count = XFER_UDMA_4;
531 if (udma_cap == ATA_UDMA3)
532 cfis->sector_count = XFER_UDMA_3;
534 fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, NULL, 0);
537 static u32 fsl_sata_rw_cmd(int dev, u32 start, u32 blkcnt, u8 *buffer, int is_write)
539 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
540 struct sata_fis_h2d h2d, *cfis = &h2d;
545 memset(cfis, 0, sizeof(struct sata_fis_h2d));
547 cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D;
548 cfis->pm_port_c = 0x80; /* is command */
549 cfis->command = (is_write) ? ATA_CMD_WRITE : ATA_CMD_READ;
550 cfis->device = ATA_LBA;
552 cfis->device |= (block >> 24) & 0xf;
553 cfis->lba_high = (block >> 16) & 0xff;
554 cfis->lba_mid = (block >> 8) & 0xff;
555 cfis->lba_low = block & 0xff;
556 cfis->sector_count = (u8)(blkcnt & 0xff);
558 fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, buffer, ATA_SECT_SIZE * blkcnt);
562 static void fsl_sata_flush_cache(int dev)
564 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
565 struct sata_fis_h2d h2d, *cfis = &h2d;
567 memset(cfis, 0, sizeof(struct sata_fis_h2d));
569 cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D;
570 cfis->pm_port_c = 0x80; /* is command */
571 cfis->command = ATA_CMD_FLUSH;
573 fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, NULL, 0);
576 static u32 fsl_sata_rw_cmd_ext(int dev, u32 start, u32 blkcnt, u8 *buffer, int is_write)
578 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
579 struct sata_fis_h2d h2d, *cfis = &h2d;
584 memset(cfis, 0, sizeof(struct sata_fis_h2d));
586 cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D;
587 cfis->pm_port_c = 0x80; /* is command */
589 cfis->command = (is_write) ? ATA_CMD_WRITE_EXT
592 cfis->lba_high_exp = (block >> 40) & 0xff;
593 cfis->lba_mid_exp = (block >> 32) & 0xff;
594 cfis->lba_low_exp = (block >> 24) & 0xff;
595 cfis->lba_high = (block >> 16) & 0xff;
596 cfis->lba_mid = (block >> 8) & 0xff;
597 cfis->lba_low = block & 0xff;
598 cfis->device = ATA_LBA;
599 cfis->sector_count_exp = (blkcnt >> 8) & 0xff;
600 cfis->sector_count = blkcnt & 0xff;
602 fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, buffer, ATA_SECT_SIZE * blkcnt);
606 static u32 fsl_sata_rw_ncq_cmd(int dev, u32 start, u32 blkcnt, u8 *buffer,
609 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
610 struct sata_fis_h2d h2d, *cfis = &h2d;
614 if (sata->lba48 != 1) {
615 printf("execute FPDMA command on non-LBA48 hard disk\n\r");
621 memset(cfis, 0, sizeof(struct sata_fis_h2d));
623 cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D;
624 cfis->pm_port_c = 0x80; /* is command */
626 cfis->command = (is_write) ? ATA_CMD_FPDMA_WRITE
627 : ATA_CMD_FPDMA_READ;
629 cfis->lba_high_exp = (block >> 40) & 0xff;
630 cfis->lba_mid_exp = (block >> 32) & 0xff;
631 cfis->lba_low_exp = (block >> 24) & 0xff;
632 cfis->lba_high = (block >> 16) & 0xff;
633 cfis->lba_mid = (block >> 8) & 0xff;
634 cfis->lba_low = block & 0xff;
636 cfis->device = ATA_LBA;
637 cfis->features_exp = (blkcnt >> 8) & 0xff;
638 cfis->features = blkcnt & 0xff;
640 if (sata->queue_depth >= SATA_HC_MAX_CMD)
641 ncq_channel = SATA_HC_MAX_CMD - 1;
643 ncq_channel = sata->queue_depth - 1;
645 /* Use the latest queue */
646 fsl_sata_exec_cmd(sata, cfis, CMD_NCQ, ncq_channel, buffer, ATA_SECT_SIZE * blkcnt);
650 static void fsl_sata_flush_cache_ext(int dev)
652 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
653 struct sata_fis_h2d h2d, *cfis = &h2d;
655 memset(cfis, 0, sizeof(struct sata_fis_h2d));
657 cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D;
658 cfis->pm_port_c = 0x80; /* is command */
659 cfis->command = ATA_CMD_FLUSH_EXT;
661 fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, NULL, 0);
664 static void fsl_sata_init_wcache(int dev, u16 *id)
666 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
668 if (ata_id_has_wcache(id) && ata_id_wcache_enabled(id))
670 if (ata_id_has_flush(id))
672 if (ata_id_has_flush_ext(id))
676 static int fsl_sata_get_wcache(int dev)
678 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
682 static int fsl_sata_get_flush(int dev)
684 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
688 static int fsl_sata_get_flush_ext(int dev)
690 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
691 return sata->flush_ext;
694 static u32 ata_low_level_rw_lba48(int dev, u32 blknr, lbaint_t blkcnt,
695 const void *buffer, int is_write)
705 max_blks = ATA_MAX_SECTORS_LBA48;
707 if (blks > max_blks) {
708 if (fsl_sata_info[dev].flags != FLAGS_FPDMA)
709 fsl_sata_rw_cmd_ext(dev, start, max_blks, addr, is_write);
711 fsl_sata_rw_ncq_cmd(dev, start, max_blks, addr, is_write);
714 addr += ATA_SECT_SIZE * max_blks;
716 if (fsl_sata_info[dev].flags != FLAGS_FPDMA)
717 fsl_sata_rw_cmd_ext(dev, start, blks, addr, is_write);
719 fsl_sata_rw_ncq_cmd(dev, start, blks, addr, is_write);
722 addr += ATA_SECT_SIZE * blks;
729 static u32 ata_low_level_rw_lba28(int dev, u32 blknr, u32 blkcnt,
730 const void *buffer, int is_write)
740 max_blks = ATA_MAX_SECTORS;
742 if (blks > max_blks) {
743 fsl_sata_rw_cmd(dev, start, max_blks, addr, is_write);
746 addr += ATA_SECT_SIZE * max_blks;
748 fsl_sata_rw_cmd(dev, start, blks, addr, is_write);
751 addr += ATA_SECT_SIZE * blks;
759 * SATA interface between low level driver and command layer
761 ulong sata_read(int dev, ulong blknr, lbaint_t blkcnt, void *buffer)
764 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
767 rc = ata_low_level_rw_lba48(dev, blknr, blkcnt, buffer, READ_CMD);
769 rc = ata_low_level_rw_lba28(dev, blknr, blkcnt, buffer, READ_CMD);
773 ulong sata_write(int dev, ulong blknr, lbaint_t blkcnt, const void *buffer)
776 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
779 rc = ata_low_level_rw_lba48(dev, blknr, blkcnt, buffer, WRITE_CMD);
780 if (fsl_sata_get_wcache(dev) && fsl_sata_get_flush_ext(dev))
781 fsl_sata_flush_cache_ext(dev);
783 rc = ata_low_level_rw_lba28(dev, blknr, blkcnt, buffer, WRITE_CMD);
784 if (fsl_sata_get_wcache(dev) && fsl_sata_get_flush(dev))
785 fsl_sata_flush_cache(dev);
790 int scan_sata(int dev)
792 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
793 unsigned char serial[ATA_ID_SERNO_LEN + 1];
794 unsigned char firmware[ATA_ID_FW_REV_LEN + 1];
795 unsigned char product[ATA_ID_PROD_LEN + 1];
799 /* if no detected link */
803 id = (u16 *)malloc(ATA_ID_WORDS * 2);
805 printf("id malloc failed\n\r");
809 /* Identify device to get information */
810 fsl_sata_identify(dev, id);
813 ata_id_c_string(id, serial, ATA_ID_SERNO, sizeof(serial));
814 memcpy(sata_dev_desc[dev].product, serial, sizeof(serial));
816 /* Firmware version */
817 ata_id_c_string(id, firmware, ATA_ID_FW_REV, sizeof(firmware));
818 memcpy(sata_dev_desc[dev].revision, firmware, sizeof(firmware));
821 ata_id_c_string(id, product, ATA_ID_PROD, sizeof(product));
822 memcpy(sata_dev_desc[dev].vendor, product, sizeof(product));
825 n_sectors = ata_id_n_sectors(id);
826 sata_dev_desc[dev].lba = (u32)n_sectors;
829 /* Check if support LBA48 */
830 if (ata_id_has_lba48(id)) {
832 debug("Device support LBA48\n\r");
834 debug("Device supports LBA28\n\r");
837 /* Get the NCQ queue depth from device */
838 sata->queue_depth = ata_id_queue_depth(id);
840 /* Get the xfer mode from device */
841 fsl_sata_xfer_mode(dev, id);
843 /* Get the write cache status from device */
844 fsl_sata_init_wcache(dev, id);
846 /* Set the xfer mode to highest speed */
847 fsl_sata_set_features(dev);
849 fsl_sata_identify(dev, id);