1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (C) 2008,2010 Freescale Semiconductor, Inc.
5 * Author: Dave Liu <daveliu@freescale.com>
13 #include <asm/processor.h>
14 #include <asm/fsl_serdes.h>
21 #if CONFIG_IS_ENABLED(BLK)
25 #include <dm/device-internal.h>
27 #ifndef CONFIG_SYS_SATA1_FLAGS
28 #define CONFIG_SYS_SATA1_FLAGS FLAGS_DMA
30 #ifndef CONFIG_SYS_SATA2_FLAGS
31 #define CONFIG_SYS_SATA2_FLAGS FLAGS_DMA
34 static struct fsl_sata_info fsl_sata_info[] = {
36 {CONFIG_SYS_SATA1, CONFIG_SYS_SATA1_FLAGS},
41 {CONFIG_SYS_SATA2, CONFIG_SYS_SATA2_FLAGS},
48 static inline void sdelay(unsigned long sec)
51 for (i = 0; i < sec; i++)
55 static void fsl_sata_dump_sfis(struct sata_fis_d2h *s)
57 printf("Status FIS dump:\n\r");
58 printf("fis_type: %02x\n\r", s->fis_type);
59 printf("pm_port_i: %02x\n\r", s->pm_port_i);
60 printf("status: %02x\n\r", s->status);
61 printf("error: %02x\n\r", s->error);
62 printf("lba_low: %02x\n\r", s->lba_low);
63 printf("lba_mid: %02x\n\r", s->lba_mid);
64 printf("lba_high: %02x\n\r", s->lba_high);
65 printf("device: %02x\n\r", s->device);
66 printf("lba_low_exp: %02x\n\r", s->lba_low_exp);
67 printf("lba_mid_exp: %02x\n\r", s->lba_mid_exp);
68 printf("lba_high_exp: %02x\n\r", s->lba_high_exp);
69 printf("res1: %02x\n\r", s->res1);
70 printf("sector_count: %02x\n\r", s->sector_count);
71 printf("sector_count_exp: %02x\n\r", s->sector_count_exp);
74 static int ata_wait_register(unsigned __iomem *addr, u32 mask,
75 u32 val, u32 timeout_msec)
80 for (i = 0; (((temp = in_le32(addr)) & mask) != val)
81 && i < timeout_msec; i++)
83 return (i < timeout_msec) ? 0 : -1;
86 #if !CONFIG_IS_ENABLED(BLK)
87 int init_sata(int dev)
89 static int init_sata(struct fsl_ata_priv *priv, int dev)
93 cmd_hdr_tbl_t *cmd_hdr;
96 fsl_sata_reg_t __iomem *reg;
101 if (dev < 0 || dev > (CONFIG_SYS_SATA_MAX_DEVICE - 1)) {
102 printf("the sata index %d is out of ranges\n\r", dev);
106 #ifdef CONFIG_MPC85xx
107 if ((dev == 0) && (!is_serdes_configured(SATA1))) {
108 printf("SATA%d [dev = %d] is not enabled\n", dev+1, dev);
111 if ((dev == 1) && (!is_serdes_configured(SATA2))) {
112 printf("SATA%d [dev = %d] is not enabled\n", dev+1, dev);
117 /* Allocate SATA device driver struct */
118 sata = (fsl_sata_t *)malloc(sizeof(fsl_sata_t));
120 printf("alloc the sata device struct failed\n\r");
123 /* Zero all of the device driver struct */
124 memset((void *)sata, 0, sizeof(fsl_sata_t));
126 snprintf(sata->name, 12, "SATA%d:", dev);
128 /* Set the controller register base address to device struct */
129 #if !CONFIG_IS_ENABLED(BLK)
130 sata_dev_desc[dev].priv = (void *)sata;
131 reg = (fsl_sata_reg_t *)(fsl_sata_info[dev].sata_reg_base);
132 sata->dma_flag = fsl_sata_info[dev].flags;
134 reg = (fsl_sata_reg_t *)(priv->base + priv->offset * dev);
135 sata->dma_flag = priv->flag;
136 priv->fsl_sata = sata;
138 sata->reg_base = reg;
140 /* Allocate the command header table, 4 bytes aligned */
141 length = sizeof(struct cmd_hdr_tbl);
142 align = SATA_HC_CMD_HDR_TBL_ALIGN;
143 sata->cmd_hdr_tbl_offset = (void *)malloc(length + align);
144 if (!sata->cmd_hdr_tbl_offset) {
145 printf("alloc the command header failed\n\r");
149 cmd_hdr = (cmd_hdr_tbl_t *)(((u32)sata->cmd_hdr_tbl_offset + align)
151 sata->cmd_hdr = cmd_hdr;
153 /* Zero all of the command header table */
154 memset((void *)sata->cmd_hdr_tbl_offset, 0, length + align);
156 /* Allocate command descriptor for all command */
157 length = sizeof(struct cmd_desc) * SATA_HC_MAX_CMD;
158 align = SATA_HC_CMD_DESC_ALIGN;
159 sata->cmd_desc_offset = (void *)malloc(length + align);
160 if (!sata->cmd_desc_offset) {
161 printf("alloc the command descriptor failed\n\r");
164 sata->cmd_desc = (cmd_desc_t *)(((u32)sata->cmd_desc_offset + align)
166 /* Zero all of command descriptor */
167 memset((void *)sata->cmd_desc_offset, 0, length + align);
169 /* Link the command descriptor to command header */
170 for (i = 0; i < SATA_HC_MAX_CMD; i++) {
171 cda = ((u32)sata->cmd_desc + SATA_HC_CMD_DESC_SIZE * i)
172 & ~(CMD_HDR_CDA_ALIGN - 1);
173 cmd_hdr->cmd_slot[i].cda = cpu_to_le32(cda);
176 /* To have safe state, force the controller offline */
177 val32 = in_le32(®->hcontrol);
178 val32 &= ~HCONTROL_ONOFF;
179 val32 |= HCONTROL_FORCE_OFFLINE;
180 out_le32(®->hcontrol, val32);
182 /* Wait the controller offline */
183 ata_wait_register(®->hstatus, HSTATUS_ONOFF, 0, 1000);
185 /* Set the command header base address to CHBA register to tell DMA */
186 out_le32(®->chba, (u32)cmd_hdr & ~0x3);
188 /* Snoop for the command header */
189 val32 = in_le32(®->hcontrol);
190 val32 |= HCONTROL_HDR_SNOOP;
191 out_le32(®->hcontrol, val32);
193 /* Disable all of interrupts */
194 val32 = in_le32(®->hcontrol);
195 val32 &= ~HCONTROL_INT_EN_ALL;
196 out_le32(®->hcontrol, val32);
198 /* Clear all of interrupts */
199 val32 = in_le32(®->hstatus);
200 out_le32(®->hstatus, val32);
202 /* Set the ICC, no interrupt coalescing */
203 out_le32(®->icc, 0x01000000);
205 /* No PM attatched, the SATA device direct connect */
206 out_le32(®->cqpmp, 0);
208 /* Clear SError register */
209 val32 = in_le32(®->serror);
210 out_le32(®->serror, val32);
212 /* Clear CER register */
213 val32 = in_le32(®->cer);
214 out_le32(®->cer, val32);
216 /* Clear DER register */
217 val32 = in_le32(®->der);
218 out_le32(®->der, val32);
220 /* No device detection or initialization action requested */
221 out_le32(®->scontrol, 0x00000300);
223 /* Configure the transport layer, default value */
224 out_le32(®->transcfg, 0x08000016);
226 /* Configure the link layer, default value */
227 out_le32(®->linkcfg, 0x0000ff34);
229 /* Bring the controller online */
230 val32 = in_le32(®->hcontrol);
231 val32 |= HCONTROL_ONOFF;
232 out_le32(®->hcontrol, val32);
236 /* print sata device name */
237 printf("%s ", sata->name);
239 /* Wait PHY RDY signal changed for 500ms */
240 ata_wait_register(®->hstatus, HSTATUS_PHY_RDY,
241 HSTATUS_PHY_RDY, 500);
244 val32 = in_le32(®->hstatus);
245 if (val32 & HSTATUS_PHY_RDY) {
249 printf("(No RDY)\n\r");
253 /* Wait for signature updated, which is 1st D2H */
254 ata_wait_register(®->hstatus, HSTATUS_SIGNATURE,
255 HSTATUS_SIGNATURE, 10000);
257 if (val32 & HSTATUS_SIGNATURE) {
258 sig = in_le32(®->sig);
259 debug("Signature updated, the sig =%08x\n\r", sig);
260 sata->ata_device_type = ata_dev_classify(sig);
263 /* Check the speed */
264 val32 = in_le32(®->sstatus);
265 if ((val32 & SSTATUS_SPD_MASK) == SSTATUS_SPD_GEN1)
266 printf("(1.5 Gbps)\n\r");
267 else if ((val32 & SSTATUS_SPD_MASK) == SSTATUS_SPD_GEN2)
268 printf("(3 Gbps)\n\r");
273 int reset_sata(int dev)
278 static void fsl_sata_dump_regs(fsl_sata_reg_t __iomem *reg)
280 printf("\n\rSATA: %08x\n\r", (u32)reg);
281 printf("CQR: %08x\n\r", in_le32(®->cqr));
282 printf("CAR: %08x\n\r", in_le32(®->car));
283 printf("CCR: %08x\n\r", in_le32(®->ccr));
284 printf("CER: %08x\n\r", in_le32(®->cer));
285 printf("CQR: %08x\n\r", in_le32(®->cqr));
286 printf("DER: %08x\n\r", in_le32(®->der));
287 printf("CHBA: %08x\n\r", in_le32(®->chba));
288 printf("HStatus: %08x\n\r", in_le32(®->hstatus));
289 printf("HControl: %08x\n\r", in_le32(®->hcontrol));
290 printf("CQPMP: %08x\n\r", in_le32(®->cqpmp));
291 printf("SIG: %08x\n\r", in_le32(®->sig));
292 printf("ICC: %08x\n\r", in_le32(®->icc));
293 printf("SStatus: %08x\n\r", in_le32(®->sstatus));
294 printf("SError: %08x\n\r", in_le32(®->serror));
295 printf("SControl: %08x\n\r", in_le32(®->scontrol));
296 printf("SNotification: %08x\n\r", in_le32(®->snotification));
297 printf("TransCfg: %08x\n\r", in_le32(®->transcfg));
298 printf("TransStatus: %08x\n\r", in_le32(®->transstatus));
299 printf("LinkCfg: %08x\n\r", in_le32(®->linkcfg));
300 printf("LinkCfg1: %08x\n\r", in_le32(®->linkcfg1));
301 printf("LinkCfg2: %08x\n\r", in_le32(®->linkcfg2));
302 printf("LinkStatus: %08x\n\r", in_le32(®->linkstatus));
303 printf("LinkStatus1: %08x\n\r", in_le32(®->linkstatus1));
304 printf("PhyCtrlCfg: %08x\n\r", in_le32(®->phyctrlcfg));
305 printf("SYSPR: %08x\n\r", in_be32(®->syspr));
308 static int fsl_ata_exec_ata_cmd(struct fsl_sata *sata, struct sata_fis_h2d *cfis,
309 int is_ncq, int tag, u8 *buffer, u32 len)
311 cmd_hdr_entry_t *cmd_hdr;
312 cmd_desc_t *cmd_desc;
319 fsl_sata_reg_t __iomem *reg = sata->reg_base;
322 /* Check xfer length */
323 if (len > SATA_HC_MAX_XFER_LEN) {
324 printf("max transfer length is 64MB\n\r");
328 /* Setup the command descriptor */
329 cmd_desc = sata->cmd_desc + tag;
331 /* Get the pointer cfis of command descriptor */
332 h2d = (sata_fis_h2d_t *)cmd_desc->cfis;
334 /* Zero the cfis of command descriptor */
335 memset((void *)h2d, 0, SATA_HC_CMD_DESC_CFIS_SIZE);
337 /* Copy the cfis from user to command descriptor */
338 h2d->fis_type = cfis->fis_type;
339 h2d->pm_port_c = cfis->pm_port_c;
340 h2d->command = cfis->command;
342 h2d->features = cfis->features;
343 h2d->features_exp = cfis->features_exp;
345 h2d->lba_low = cfis->lba_low;
346 h2d->lba_mid = cfis->lba_mid;
347 h2d->lba_high = cfis->lba_high;
348 h2d->lba_low_exp = cfis->lba_low_exp;
349 h2d->lba_mid_exp = cfis->lba_mid_exp;
350 h2d->lba_high_exp = cfis->lba_high_exp;
353 h2d->sector_count = cfis->sector_count;
354 h2d->sector_count_exp = cfis->sector_count_exp;
356 h2d->sector_count = (u8)(tag << 3);
359 h2d->device = cfis->device;
360 h2d->control = cfis->control;
362 /* Setup the PRD table */
363 prde = (prd_entry_t *)cmd_desc->prdt;
364 memset((void *)prde, 0, sizeof(struct prdt));
368 for (i = 0; i < SATA_HC_MAX_PRD_DIRECT; i++) {
371 prde->dba = cpu_to_le32((u32)buffer & ~0x3);
372 debug("dba = %08x\n\r", (u32)buffer);
374 if (len < PRD_ENTRY_MAX_XFER_SZ) {
375 ext_c_ddc = PRD_ENTRY_DATA_SNOOP | len;
376 debug("ext_c_ddc1 = %08x, len = %08x\n\r", ext_c_ddc, len);
377 prde->ext_c_ddc = cpu_to_le32(ext_c_ddc);
382 ext_c_ddc = PRD_ENTRY_DATA_SNOOP; /* 4M bytes */
383 debug("ext_c_ddc2 = %08x, len = %08x\n\r", ext_c_ddc, len);
384 prde->ext_c_ddc = cpu_to_le32(ext_c_ddc);
385 buffer += PRD_ENTRY_MAX_XFER_SZ;
386 len -= PRD_ENTRY_MAX_XFER_SZ;
392 /* Setup the command slot of cmd hdr */
393 cmd_hdr = (cmd_hdr_entry_t *)&sata->cmd_hdr->cmd_slot[tag];
395 cmd_hdr->cda = cpu_to_le32((u32)cmd_desc & ~0x3);
397 val32 = prde_count << CMD_HDR_PRD_ENTRY_SHIFT;
398 val32 |= sizeof(sata_fis_h2d_t);
399 cmd_hdr->prde_fis_len = cpu_to_le32(val32);
401 cmd_hdr->ttl = cpu_to_le32(ttl);
404 val32 = CMD_HDR_ATTR_RES | CMD_HDR_ATTR_SNOOP;
406 val32 = CMD_HDR_ATTR_RES | CMD_HDR_ATTR_SNOOP | CMD_HDR_ATTR_FPDMA;
409 tag &= CMD_HDR_ATTR_TAG;
412 debug("attribute = %08x\n\r", val32);
413 cmd_hdr->attribute = cpu_to_le32(val32);
415 /* Make sure cmd desc and cmd slot valid before command issue */
419 val32 = (u32)(h2d->pm_port_c & 0x0f);
420 out_le32(®->cqpmp, val32);
423 if (ata_wait_register(®->car, (1 << tag), 0, 10000))
424 printf("Wait no active time out\n\r");
427 if (!(in_le32(®->cqr) & (1 << tag))) {
429 out_le32(®->cqr, val32);
432 /* Wait command completed for 10s */
433 if (ata_wait_register(®->ccr, (1 << tag), (1 << tag), 10000)) {
435 printf("Non-NCQ command time out\n\r");
437 printf("NCQ command time out\n\r");
440 val32 = in_le32(®->cer);
444 fsl_sata_dump_sfis((struct sata_fis_d2h *)cmd_desc->sfis);
445 printf("CE at device\n\r");
446 fsl_sata_dump_regs(reg);
447 der = in_le32(®->der);
448 out_le32(®->cer, val32);
449 out_le32(®->der, der);
452 /* Clear complete flags */
453 val32 = in_le32(®->ccr);
454 out_le32(®->ccr, val32);
459 static int fsl_ata_exec_reset_cmd(struct fsl_sata *sata, struct sata_fis_h2d *cfis,
460 int tag, u8 *buffer, u32 len)
465 static int fsl_sata_exec_cmd(struct fsl_sata *sata, struct sata_fis_h2d *cfis,
466 enum cmd_type command_type, int tag, u8 *buffer, u32 len)
470 if (tag > SATA_HC_MAX_CMD || tag < 0) {
471 printf("tag is out of range, tag=%d\n\r", tag);
475 switch (command_type) {
477 rc = fsl_ata_exec_ata_cmd(sata, cfis, 0, tag, buffer, len);
480 rc = fsl_ata_exec_reset_cmd(sata, cfis, tag, buffer, len);
483 rc = fsl_ata_exec_ata_cmd(sata, cfis, 1, tag, buffer, len);
486 case CMD_VENDOR_BIST:
488 printf("not support now\n\r");
497 static void fsl_sata_xfer_mode(fsl_sata_t *sata, u16 *id)
499 sata->pio = id[ATA_ID_PIO_MODES];
500 sata->mwdma = id[ATA_ID_MWDMA_MODES];
501 sata->udma = id[ATA_ID_UDMA_MODES];
502 debug("pio %04x, mwdma %04x, udma %04x\n\r", sata->pio, sata->mwdma, sata->udma);
505 static void fsl_sata_set_features(fsl_sata_t *sata)
507 struct sata_fis_h2d h2d, *cfis = &h2d;
510 memset(cfis, 0, sizeof(struct sata_fis_h2d));
512 cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D;
513 cfis->pm_port_c = 0x80; /* is command */
514 cfis->command = ATA_CMD_SET_FEATURES;
515 cfis->features = SETFEATURES_XFER;
517 /* First check the device capablity */
518 udma_cap = (u8)(sata->udma & 0xff);
519 debug("udma_cap %02x\n\r", udma_cap);
521 if (udma_cap == ATA_UDMA6)
522 cfis->sector_count = XFER_UDMA_6;
523 if (udma_cap == ATA_UDMA5)
524 cfis->sector_count = XFER_UDMA_5;
525 if (udma_cap == ATA_UDMA4)
526 cfis->sector_count = XFER_UDMA_4;
527 if (udma_cap == ATA_UDMA3)
528 cfis->sector_count = XFER_UDMA_3;
530 fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, NULL, 0);
533 static u32 fsl_sata_rw_cmd(fsl_sata_t *sata, u32 start, u32 blkcnt, u8 *buffer,
536 struct sata_fis_h2d h2d, *cfis = &h2d;
541 memset(cfis, 0, sizeof(struct sata_fis_h2d));
543 cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D;
544 cfis->pm_port_c = 0x80; /* is command */
545 cfis->command = (is_write) ? ATA_CMD_WRITE : ATA_CMD_READ;
546 cfis->device = ATA_LBA;
548 cfis->device |= (block >> 24) & 0xf;
549 cfis->lba_high = (block >> 16) & 0xff;
550 cfis->lba_mid = (block >> 8) & 0xff;
551 cfis->lba_low = block & 0xff;
552 cfis->sector_count = (u8)(blkcnt & 0xff);
554 fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, buffer, ATA_SECT_SIZE * blkcnt);
558 static void fsl_sata_flush_cache(fsl_sata_t *sata)
560 struct sata_fis_h2d h2d, *cfis = &h2d;
562 memset(cfis, 0, sizeof(struct sata_fis_h2d));
564 cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D;
565 cfis->pm_port_c = 0x80; /* is command */
566 cfis->command = ATA_CMD_FLUSH;
568 fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, NULL, 0);
571 static u32 fsl_sata_rw_cmd_ext(fsl_sata_t *sata, u32 start, u32 blkcnt,
572 u8 *buffer, int is_write)
574 struct sata_fis_h2d h2d, *cfis = &h2d;
579 memset(cfis, 0, sizeof(struct sata_fis_h2d));
581 cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D;
582 cfis->pm_port_c = 0x80; /* is command */
584 cfis->command = (is_write) ? ATA_CMD_WRITE_EXT
587 cfis->lba_high_exp = (block >> 40) & 0xff;
588 cfis->lba_mid_exp = (block >> 32) & 0xff;
589 cfis->lba_low_exp = (block >> 24) & 0xff;
590 cfis->lba_high = (block >> 16) & 0xff;
591 cfis->lba_mid = (block >> 8) & 0xff;
592 cfis->lba_low = block & 0xff;
593 cfis->device = ATA_LBA;
594 cfis->sector_count_exp = (blkcnt >> 8) & 0xff;
595 cfis->sector_count = blkcnt & 0xff;
597 fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, buffer, ATA_SECT_SIZE * blkcnt);
601 static u32 fsl_sata_rw_ncq_cmd(fsl_sata_t *sata, u32 start, u32 blkcnt,
602 u8 *buffer, int is_write)
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(fsl_sata_t *sata)
646 struct sata_fis_h2d h2d, *cfis = &h2d;
648 memset(cfis, 0, sizeof(struct sata_fis_h2d));
650 cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D;
651 cfis->pm_port_c = 0x80; /* is command */
652 cfis->command = ATA_CMD_FLUSH_EXT;
654 fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, NULL, 0);
657 static void fsl_sata_init_wcache(fsl_sata_t *sata, u16 *id)
659 if (ata_id_has_wcache(id) && ata_id_wcache_enabled(id))
661 if (ata_id_has_flush(id))
663 if (ata_id_has_flush_ext(id))
667 static u32 ata_low_level_rw_lba48(fsl_sata_t *sata, u32 blknr, lbaint_t blkcnt,
668 const void *buffer, int is_write)
678 max_blks = ATA_MAX_SECTORS_LBA48;
680 if (blks > max_blks) {
681 if (sata->dma_flag != FLAGS_FPDMA)
682 fsl_sata_rw_cmd_ext(sata, start, max_blks, addr,
685 fsl_sata_rw_ncq_cmd(sata, start, max_blks, addr,
689 addr += ATA_SECT_SIZE * max_blks;
691 if (sata->dma_flag != FLAGS_FPDMA)
692 fsl_sata_rw_cmd_ext(sata, start, blks, addr,
695 fsl_sata_rw_ncq_cmd(sata, start, blks, addr,
699 addr += ATA_SECT_SIZE * blks;
706 static u32 ata_low_level_rw_lba28(fsl_sata_t *sata, u32 blknr, u32 blkcnt,
707 const void *buffer, int is_write)
717 max_blks = ATA_MAX_SECTORS;
719 if (blks > max_blks) {
720 fsl_sata_rw_cmd(sata, start, max_blks, addr, is_write);
723 addr += ATA_SECT_SIZE * max_blks;
725 fsl_sata_rw_cmd(sata, start, blks, addr, is_write);
728 addr += ATA_SECT_SIZE * blks;
736 * SATA interface between low level driver and command layer
738 #if !CONFIG_IS_ENABLED(BLK)
739 ulong sata_read(int dev, ulong blknr, lbaint_t blkcnt, void *buffer)
741 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
743 static ulong sata_read(struct udevice *dev, lbaint_t blknr, lbaint_t blkcnt,
746 struct fsl_ata_priv *priv = dev_get_platdata(dev);
747 fsl_sata_t *sata = priv->fsl_sata;
752 rc = ata_low_level_rw_lba48(sata, blknr, blkcnt, buffer,
755 rc = ata_low_level_rw_lba28(sata, blknr, blkcnt, buffer,
760 #if !CONFIG_IS_ENABLED(BLK)
761 ulong sata_write(int dev, ulong blknr, lbaint_t blkcnt, const void *buffer)
763 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
765 static ulong sata_write(struct udevice *dev, lbaint_t blknr, lbaint_t blkcnt,
768 struct fsl_ata_priv *priv = dev_get_platdata(dev);
769 fsl_sata_t *sata = priv->fsl_sata;
774 rc = ata_low_level_rw_lba48(sata, blknr, blkcnt, buffer,
776 if (sata->wcache && sata->flush_ext)
777 fsl_sata_flush_cache_ext(sata);
779 rc = ata_low_level_rw_lba28(sata, blknr, blkcnt, buffer,
781 if (sata->wcache && sata->flush)
782 fsl_sata_flush_cache(sata);
787 static void fsl_sata_identify(fsl_sata_t *sata, u16 *id)
789 struct sata_fis_h2d h2d, *cfis = &h2d;
791 memset(cfis, 0, sizeof(struct sata_fis_h2d));
793 cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D;
794 cfis->pm_port_c = 0x80; /* is command */
795 cfis->command = ATA_CMD_ID_ATA;
797 fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, (u8 *)id, ATA_ID_WORDS * 2);
798 ata_swap_buf_le16(id, ATA_ID_WORDS);
801 #if !CONFIG_IS_ENABLED(BLK)
802 int scan_sata(int dev)
804 fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
806 static int scan_sata(struct udevice *dev)
808 struct blk_desc *desc = dev_get_uclass_platdata(dev);
809 struct fsl_ata_priv *priv = dev_get_platdata(dev);
810 fsl_sata_t *sata = priv->fsl_sata;
813 unsigned char serial[ATA_ID_SERNO_LEN + 1];
814 unsigned char firmware[ATA_ID_FW_REV_LEN + 1];
815 unsigned char product[ATA_ID_PROD_LEN + 1];
819 /* if no detected link */
823 id = (u16 *)malloc(ATA_ID_WORDS * 2);
825 printf("id malloc failed\n\r");
829 /* Identify device to get information */
830 fsl_sata_identify(sata, id);
833 ata_id_c_string(id, serial, ATA_ID_SERNO, sizeof(serial));
835 /* Firmware version */
836 ata_id_c_string(id, firmware, ATA_ID_FW_REV, sizeof(firmware));
839 ata_id_c_string(id, product, ATA_ID_PROD, sizeof(product));
842 n_sectors = ata_id_n_sectors(id);
845 /* Check if support LBA48 */
846 if (ata_id_has_lba48(id)) {
848 debug("Device support LBA48\n\r");
850 debug("Device supports LBA28\n\r");
853 #if !CONFIG_IS_ENABLED(BLK)
854 memcpy(sata_dev_desc[dev].product, serial, sizeof(serial));
855 memcpy(sata_dev_desc[dev].revision, firmware, sizeof(firmware));
856 memcpy(sata_dev_desc[dev].vendor, product, sizeof(product));
857 sata_dev_desc[dev].lba = (u32)n_sectors;
859 sata_dev_desc[dev].lba48 = sata->lba48;
862 memcpy(desc->product, serial, sizeof(serial));
863 memcpy(desc->revision, firmware, sizeof(firmware));
864 memcpy(desc->vendor, product, sizeof(product));
865 desc->lba = n_sectors;
867 desc->lba48 = sata->lba48;
871 /* Get the NCQ queue depth from device */
872 sata->queue_depth = ata_id_queue_depth(id);
874 /* Get the xfer mode from device */
875 fsl_sata_xfer_mode(sata, id);
877 /* Get the write cache status from device */
878 fsl_sata_init_wcache(sata, id);
880 /* Set the xfer mode to highest speed */
881 fsl_sata_set_features(sata);
890 #if CONFIG_IS_ENABLED(BLK)
891 static const struct blk_ops sata_fsl_blk_ops = {
896 U_BOOT_DRIVER(sata_fsl_driver) = {
897 .name = "sata_fsl_blk",
899 .ops = &sata_fsl_blk_ops,
900 .platdata_auto_alloc_size = sizeof(struct fsl_ata_priv),
903 static int fsl_ata_ofdata_to_platdata(struct udevice *dev)
905 struct fsl_ata_priv *priv = dev_get_priv(dev);
907 priv->number = dev_read_u32_default(dev, "sata-number", -1);
908 priv->flag = dev_read_u32_default(dev, "sata-fpdma", -1);
909 priv->offset = dev_read_u32_default(dev, "sata-offset", -1);
911 priv->base = dev_read_addr(dev);
912 if (priv->base == FDT_ADDR_T_NONE)
918 static int fsl_unbind_device(struct udevice *dev)
922 ret = device_remove(dev, DM_REMOVE_NORMAL);
926 ret = device_unbind(dev);
933 static int fsl_ata_probe(struct udevice *dev)
935 struct fsl_ata_priv *blk_priv, *priv;
944 priv = dev_get_priv(dev);
945 nr_ports = priv->number;
946 nr_ports = min(nr_ports, CONFIG_SYS_SATA_MAX_DEVICE);
948 for (i = 0; i < nr_ports; i++) {
949 snprintf(sata_name, sizeof(sata_name), "fsl_sata%d", i);
950 ret = blk_create_devicef(dev, "sata_fsl_blk", sata_name,
951 IF_TYPE_SATA, -1, 512, 0, &blk);
953 debug("Can't create device\n");
958 ret = init_sata(priv, i);
960 debug("%s: Failed to init sata\n", __func__);
961 ret = fsl_unbind_device(blk);
969 blk_priv = dev_get_platdata(blk);
970 blk_priv->fsl_sata = priv->fsl_sata;
972 ret = scan_sata(blk);
974 debug("%s: Failed to scan bus\n", __func__);
975 ret = fsl_unbind_device(blk);
984 if (failed_number == nr_ports)
990 static int fsl_ata_remove(struct udevice *dev)
993 struct fsl_ata_priv *priv;
995 priv = dev_get_priv(dev);
996 sata = priv->fsl_sata;
998 free(sata->cmd_hdr_tbl_offset);
999 free(sata->cmd_desc_offset);
1005 static int sata_fsl_scan(struct udevice *dev)
1007 /* Nothing to do here */
1012 struct ahci_ops sata_fsl_ahci_ops = {
1013 .scan = sata_fsl_scan,
1016 static const struct udevice_id fsl_ata_ids[] = {
1017 { .compatible = "fsl,pq-sata-v2" },
1021 U_BOOT_DRIVER(fsl_ahci) = {
1024 .of_match = fsl_ata_ids,
1025 .ops = &sata_fsl_ahci_ops,
1026 .ofdata_to_platdata = fsl_ata_ofdata_to_platdata,
1027 .probe = fsl_ata_probe,
1028 .remove = fsl_ata_remove,
1029 .priv_auto_alloc_size = sizeof(struct fsl_ata_priv),