1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (C) 2008,2010 Freescale Semiconductor, Inc.
4 * Dave Liu <daveliu@freescale.com>
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 snprintf(sata->name, 12, "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);
126 if (!sata->cmd_hdr_tbl_offset) {
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 int reset_sata(int dev)
263 static void fsl_sata_dump_regs(fsl_sata_reg_t __iomem *reg)
265 printf("\n\rSATA: %08x\n\r", (u32)reg);
266 printf("CQR: %08x\n\r", in_le32(®->cqr));
267 printf("CAR: %08x\n\r", in_le32(®->car));
268 printf("CCR: %08x\n\r", in_le32(®->ccr));
269 printf("CER: %08x\n\r", in_le32(®->cer));
270 printf("CQR: %08x\n\r", in_le32(®->cqr));
271 printf("DER: %08x\n\r", in_le32(®->der));
272 printf("CHBA: %08x\n\r", in_le32(®->chba));
273 printf("HStatus: %08x\n\r", in_le32(®->hstatus));
274 printf("HControl: %08x\n\r", in_le32(®->hcontrol));
275 printf("CQPMP: %08x\n\r", in_le32(®->cqpmp));
276 printf("SIG: %08x\n\r", in_le32(®->sig));
277 printf("ICC: %08x\n\r", in_le32(®->icc));
278 printf("SStatus: %08x\n\r", in_le32(®->sstatus));
279 printf("SError: %08x\n\r", in_le32(®->serror));
280 printf("SControl: %08x\n\r", in_le32(®->scontrol));
281 printf("SNotification: %08x\n\r", in_le32(®->snotification));
282 printf("TransCfg: %08x\n\r", in_le32(®->transcfg));
283 printf("TransStatus: %08x\n\r", in_le32(®->transstatus));
284 printf("LinkCfg: %08x\n\r", in_le32(®->linkcfg));
285 printf("LinkCfg1: %08x\n\r", in_le32(®->linkcfg1));
286 printf("LinkCfg2: %08x\n\r", in_le32(®->linkcfg2));
287 printf("LinkStatus: %08x\n\r", in_le32(®->linkstatus));
288 printf("LinkStatus1: %08x\n\r", in_le32(®->linkstatus1));
289 printf("PhyCtrlCfg: %08x\n\r", in_le32(®->phyctrlcfg));
290 printf("SYSPR: %08x\n\r", in_be32(®->syspr));
293 static int fsl_ata_exec_ata_cmd(struct fsl_sata *sata, struct sata_fis_h2d *cfis,
294 int is_ncq, int tag, u8 *buffer, u32 len)
296 cmd_hdr_entry_t *cmd_hdr;
297 cmd_desc_t *cmd_desc;
304 fsl_sata_reg_t __iomem *reg = sata->reg_base;
307 /* Check xfer length */
308 if (len > SATA_HC_MAX_XFER_LEN) {
309 printf("max transfer length is 64MB\n\r");
313 /* Setup the command descriptor */
314 cmd_desc = sata->cmd_desc + tag;
316 /* Get the pointer cfis of command descriptor */
317 h2d = (sata_fis_h2d_t *)cmd_desc->cfis;
319 /* Zero the cfis of command descriptor */
320 memset((void *)h2d, 0, SATA_HC_CMD_DESC_CFIS_SIZE);
322 /* Copy the cfis from user to command descriptor */
323 h2d->fis_type = cfis->fis_type;
324 h2d->pm_port_c = cfis->pm_port_c;
325 h2d->command = cfis->command;
327 h2d->features = cfis->features;
328 h2d->features_exp = cfis->features_exp;
330 h2d->lba_low = cfis->lba_low;
331 h2d->lba_mid = cfis->lba_mid;
332 h2d->lba_high = cfis->lba_high;
333 h2d->lba_low_exp = cfis->lba_low_exp;
334 h2d->lba_mid_exp = cfis->lba_mid_exp;
335 h2d->lba_high_exp = cfis->lba_high_exp;
338 h2d->sector_count = cfis->sector_count;
339 h2d->sector_count_exp = cfis->sector_count_exp;
341 h2d->sector_count = (u8)(tag << 3);
344 h2d->device = cfis->device;
345 h2d->control = cfis->control;
347 /* Setup the PRD table */
348 prde = (prd_entry_t *)cmd_desc->prdt;
349 memset((void *)prde, 0, sizeof(struct prdt));
353 for (i = 0; i < SATA_HC_MAX_PRD_DIRECT; i++) {
356 prde->dba = cpu_to_le32((u32)buffer & ~0x3);
357 debug("dba = %08x\n\r", (u32)buffer);
359 if (len < PRD_ENTRY_MAX_XFER_SZ) {
360 ext_c_ddc = PRD_ENTRY_DATA_SNOOP | len;
361 debug("ext_c_ddc1 = %08x, len = %08x\n\r", ext_c_ddc, len);
362 prde->ext_c_ddc = cpu_to_le32(ext_c_ddc);
367 ext_c_ddc = PRD_ENTRY_DATA_SNOOP; /* 4M bytes */
368 debug("ext_c_ddc2 = %08x, len = %08x\n\r", ext_c_ddc, len);
369 prde->ext_c_ddc = cpu_to_le32(ext_c_ddc);
370 buffer += PRD_ENTRY_MAX_XFER_SZ;
371 len -= PRD_ENTRY_MAX_XFER_SZ;
377 /* Setup the command slot of cmd hdr */
378 cmd_hdr = (cmd_hdr_entry_t *)&sata->cmd_hdr->cmd_slot[tag];
380 cmd_hdr->cda = cpu_to_le32((u32)cmd_desc & ~0x3);
382 val32 = prde_count << CMD_HDR_PRD_ENTRY_SHIFT;
383 val32 |= sizeof(sata_fis_h2d_t);
384 cmd_hdr->prde_fis_len = cpu_to_le32(val32);
386 cmd_hdr->ttl = cpu_to_le32(ttl);
389 val32 = CMD_HDR_ATTR_RES | CMD_HDR_ATTR_SNOOP;
391 val32 = CMD_HDR_ATTR_RES | CMD_HDR_ATTR_SNOOP | CMD_HDR_ATTR_FPDMA;
394 tag &= CMD_HDR_ATTR_TAG;
397 debug("attribute = %08x\n\r", val32);
398 cmd_hdr->attribute = cpu_to_le32(val32);
400 /* Make sure cmd desc and cmd slot valid before command issue */
404 val32 = (u32)(h2d->pm_port_c & 0x0f);
405 out_le32(®->cqpmp, val32);
408 if (ata_wait_register(®->car, (1 << tag), 0, 10000))
409 printf("Wait no active time out\n\r");
412 if (!(in_le32(®->cqr) & (1 << tag))) {
414 out_le32(®->cqr, val32);
417 /* Wait command completed for 10s */
418 if (ata_wait_register(®->ccr, (1 << tag), (1 << tag), 10000)) {
420 printf("Non-NCQ command time out\n\r");
422 printf("NCQ command time out\n\r");
425 val32 = in_le32(®->cer);
429 fsl_sata_dump_sfis((struct sata_fis_d2h *)cmd_desc->sfis);
430 printf("CE at device\n\r");
431 fsl_sata_dump_regs(reg);
432 der = in_le32(®->der);
433 out_le32(®->cer, val32);
434 out_le32(®->der, der);
437 /* Clear complete flags */
438 val32 = in_le32(®->ccr);
439 out_le32(®->ccr, val32);
444 static int fsl_ata_exec_reset_cmd(struct fsl_sata *sata, struct sata_fis_h2d *cfis,
445 int tag, u8 *buffer, u32 len)
450 static int fsl_sata_exec_cmd(struct fsl_sata *sata, struct sata_fis_h2d *cfis,
451 enum cmd_type command_type, int tag, u8 *buffer, u32 len)
455 if (tag > SATA_HC_MAX_CMD || tag < 0) {
456 printf("tag is out of range, tag=%d\n\r", tag);
460 switch (command_type) {
462 rc = fsl_ata_exec_ata_cmd(sata, cfis, 0, tag, buffer, len);
465 rc = fsl_ata_exec_reset_cmd(sata, cfis, tag, buffer, len);
468 rc = fsl_ata_exec_ata_cmd(sata, cfis, 1, tag, buffer, len);
471 case CMD_VENDOR_BIST:
473 printf("not support now\n\r");
482 static void fsl_sata_identify(int dev, u16 *id)
484 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
485 struct sata_fis_h2d h2d, *cfis = &h2d;
487 memset(cfis, 0, sizeof(struct sata_fis_h2d));
489 cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D;
490 cfis->pm_port_c = 0x80; /* is command */
491 cfis->command = ATA_CMD_ID_ATA;
493 fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, (u8 *)id, ATA_ID_WORDS * 2);
494 ata_swap_buf_le16(id, ATA_ID_WORDS);
497 static void fsl_sata_xfer_mode(int dev, u16 *id)
499 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
501 sata->pio = id[ATA_ID_PIO_MODES];
502 sata->mwdma = id[ATA_ID_MWDMA_MODES];
503 sata->udma = id[ATA_ID_UDMA_MODES];
504 debug("pio %04x, mwdma %04x, udma %04x\n\r", sata->pio, sata->mwdma, sata->udma);
507 static void fsl_sata_set_features(int dev)
509 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
510 struct sata_fis_h2d h2d, *cfis = &h2d;
513 memset(cfis, 0, sizeof(struct sata_fis_h2d));
515 cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D;
516 cfis->pm_port_c = 0x80; /* is command */
517 cfis->command = ATA_CMD_SET_FEATURES;
518 cfis->features = SETFEATURES_XFER;
520 /* First check the device capablity */
521 udma_cap = (u8)(sata->udma & 0xff);
522 debug("udma_cap %02x\n\r", udma_cap);
524 if (udma_cap == ATA_UDMA6)
525 cfis->sector_count = XFER_UDMA_6;
526 if (udma_cap == ATA_UDMA5)
527 cfis->sector_count = XFER_UDMA_5;
528 if (udma_cap == ATA_UDMA4)
529 cfis->sector_count = XFER_UDMA_4;
530 if (udma_cap == ATA_UDMA3)
531 cfis->sector_count = XFER_UDMA_3;
533 fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, NULL, 0);
536 static u32 fsl_sata_rw_cmd(int dev, u32 start, u32 blkcnt, u8 *buffer, int is_write)
538 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
539 struct sata_fis_h2d h2d, *cfis = &h2d;
544 memset(cfis, 0, sizeof(struct sata_fis_h2d));
546 cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D;
547 cfis->pm_port_c = 0x80; /* is command */
548 cfis->command = (is_write) ? ATA_CMD_WRITE : ATA_CMD_READ;
549 cfis->device = ATA_LBA;
551 cfis->device |= (block >> 24) & 0xf;
552 cfis->lba_high = (block >> 16) & 0xff;
553 cfis->lba_mid = (block >> 8) & 0xff;
554 cfis->lba_low = block & 0xff;
555 cfis->sector_count = (u8)(blkcnt & 0xff);
557 fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, buffer, ATA_SECT_SIZE * blkcnt);
561 static void fsl_sata_flush_cache(int dev)
563 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
564 struct sata_fis_h2d h2d, *cfis = &h2d;
566 memset(cfis, 0, sizeof(struct sata_fis_h2d));
568 cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D;
569 cfis->pm_port_c = 0x80; /* is command */
570 cfis->command = ATA_CMD_FLUSH;
572 fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, NULL, 0);
575 static u32 fsl_sata_rw_cmd_ext(int dev, u32 start, u32 blkcnt, u8 *buffer, int is_write)
577 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
578 struct sata_fis_h2d h2d, *cfis = &h2d;
583 memset(cfis, 0, sizeof(struct sata_fis_h2d));
585 cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D;
586 cfis->pm_port_c = 0x80; /* is command */
588 cfis->command = (is_write) ? ATA_CMD_WRITE_EXT
591 cfis->lba_high_exp = (block >> 40) & 0xff;
592 cfis->lba_mid_exp = (block >> 32) & 0xff;
593 cfis->lba_low_exp = (block >> 24) & 0xff;
594 cfis->lba_high = (block >> 16) & 0xff;
595 cfis->lba_mid = (block >> 8) & 0xff;
596 cfis->lba_low = block & 0xff;
597 cfis->device = ATA_LBA;
598 cfis->sector_count_exp = (blkcnt >> 8) & 0xff;
599 cfis->sector_count = blkcnt & 0xff;
601 fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, buffer, ATA_SECT_SIZE * blkcnt);
605 static u32 fsl_sata_rw_ncq_cmd(int dev, u32 start, u32 blkcnt, u8 *buffer,
608 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
609 struct sata_fis_h2d h2d, *cfis = &h2d;
613 if (sata->lba48 != 1) {
614 printf("execute FPDMA command on non-LBA48 hard disk\n\r");
620 memset(cfis, 0, sizeof(struct sata_fis_h2d));
622 cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D;
623 cfis->pm_port_c = 0x80; /* is command */
625 cfis->command = (is_write) ? ATA_CMD_FPDMA_WRITE
626 : ATA_CMD_FPDMA_READ;
628 cfis->lba_high_exp = (block >> 40) & 0xff;
629 cfis->lba_mid_exp = (block >> 32) & 0xff;
630 cfis->lba_low_exp = (block >> 24) & 0xff;
631 cfis->lba_high = (block >> 16) & 0xff;
632 cfis->lba_mid = (block >> 8) & 0xff;
633 cfis->lba_low = block & 0xff;
635 cfis->device = ATA_LBA;
636 cfis->features_exp = (blkcnt >> 8) & 0xff;
637 cfis->features = blkcnt & 0xff;
639 if (sata->queue_depth >= SATA_HC_MAX_CMD)
640 ncq_channel = SATA_HC_MAX_CMD - 1;
642 ncq_channel = sata->queue_depth - 1;
644 /* Use the latest queue */
645 fsl_sata_exec_cmd(sata, cfis, CMD_NCQ, ncq_channel, buffer, ATA_SECT_SIZE * blkcnt);
649 static void fsl_sata_flush_cache_ext(int dev)
651 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
652 struct sata_fis_h2d h2d, *cfis = &h2d;
654 memset(cfis, 0, sizeof(struct sata_fis_h2d));
656 cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D;
657 cfis->pm_port_c = 0x80; /* is command */
658 cfis->command = ATA_CMD_FLUSH_EXT;
660 fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, NULL, 0);
663 static void fsl_sata_init_wcache(int dev, u16 *id)
665 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
667 if (ata_id_has_wcache(id) && ata_id_wcache_enabled(id))
669 if (ata_id_has_flush(id))
671 if (ata_id_has_flush_ext(id))
675 static int fsl_sata_get_wcache(int dev)
677 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
681 static int fsl_sata_get_flush(int dev)
683 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
687 static int fsl_sata_get_flush_ext(int dev)
689 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
690 return sata->flush_ext;
693 static u32 ata_low_level_rw_lba48(int dev, u32 blknr, lbaint_t blkcnt,
694 const void *buffer, int is_write)
704 max_blks = ATA_MAX_SECTORS_LBA48;
706 if (blks > max_blks) {
707 if (fsl_sata_info[dev].flags != FLAGS_FPDMA)
708 fsl_sata_rw_cmd_ext(dev, start, max_blks, addr, is_write);
710 fsl_sata_rw_ncq_cmd(dev, start, max_blks, addr, is_write);
713 addr += ATA_SECT_SIZE * max_blks;
715 if (fsl_sata_info[dev].flags != FLAGS_FPDMA)
716 fsl_sata_rw_cmd_ext(dev, start, blks, addr, is_write);
718 fsl_sata_rw_ncq_cmd(dev, start, blks, addr, is_write);
721 addr += ATA_SECT_SIZE * blks;
728 static u32 ata_low_level_rw_lba28(int dev, u32 blknr, u32 blkcnt,
729 const void *buffer, int is_write)
739 max_blks = ATA_MAX_SECTORS;
741 if (blks > max_blks) {
742 fsl_sata_rw_cmd(dev, start, max_blks, addr, is_write);
745 addr += ATA_SECT_SIZE * max_blks;
747 fsl_sata_rw_cmd(dev, start, blks, addr, is_write);
750 addr += ATA_SECT_SIZE * blks;
758 * SATA interface between low level driver and command layer
760 ulong sata_read(int dev, ulong blknr, lbaint_t blkcnt, void *buffer)
763 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
766 rc = ata_low_level_rw_lba48(dev, blknr, blkcnt, buffer, READ_CMD);
768 rc = ata_low_level_rw_lba28(dev, blknr, blkcnt, buffer, READ_CMD);
772 ulong sata_write(int dev, ulong blknr, lbaint_t blkcnt, const void *buffer)
775 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
778 rc = ata_low_level_rw_lba48(dev, blknr, blkcnt, buffer, WRITE_CMD);
779 if (fsl_sata_get_wcache(dev) && fsl_sata_get_flush_ext(dev))
780 fsl_sata_flush_cache_ext(dev);
782 rc = ata_low_level_rw_lba28(dev, blknr, blkcnt, buffer, WRITE_CMD);
783 if (fsl_sata_get_wcache(dev) && fsl_sata_get_flush(dev))
784 fsl_sata_flush_cache(dev);
789 int scan_sata(int dev)
791 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
792 unsigned char serial[ATA_ID_SERNO_LEN + 1];
793 unsigned char firmware[ATA_ID_FW_REV_LEN + 1];
794 unsigned char product[ATA_ID_PROD_LEN + 1];
798 /* if no detected link */
802 id = (u16 *)malloc(ATA_ID_WORDS * 2);
804 printf("id malloc failed\n\r");
808 /* Identify device to get information */
809 fsl_sata_identify(dev, id);
812 ata_id_c_string(id, serial, ATA_ID_SERNO, sizeof(serial));
813 memcpy(sata_dev_desc[dev].product, serial, sizeof(serial));
815 /* Firmware version */
816 ata_id_c_string(id, firmware, ATA_ID_FW_REV, sizeof(firmware));
817 memcpy(sata_dev_desc[dev].revision, firmware, sizeof(firmware));
820 ata_id_c_string(id, product, ATA_ID_PROD, sizeof(product));
821 memcpy(sata_dev_desc[dev].vendor, product, sizeof(product));
824 n_sectors = ata_id_n_sectors(id);
825 sata_dev_desc[dev].lba = (u32)n_sectors;
828 /* Check if support LBA48 */
829 if (ata_id_has_lba48(id)) {
831 debug("Device support LBA48\n\r");
833 debug("Device supports LBA28\n\r");
836 /* Get the NCQ queue depth from device */
837 sata->queue_depth = ata_id_queue_depth(id);
839 /* Get the xfer mode from device */
840 fsl_sata_xfer_mode(dev, id);
842 /* Get the write cache status from device */
843 fsl_sata_init_wcache(dev, id);
845 /* Set the xfer mode to highest speed */
846 fsl_sata_set_features(dev);
848 fsl_sata_identify(dev, id);