u-boot/drivers/ata/fsl_sata.c
Peng Ma 964b90f61d ata: fsl_sata: Continue probing other sata port when failed current port.
In the initialization of sata driver, we want to initialize all port
 probes, Therefore, any detection failure between of them should continue
 initialization by skipping the current port instead of exit.

Signed-off-by: Peng Ma <peng.ma@nxp.com>
2020-01-08 09:27:44 -05:00

1031 lines
26 KiB
C

// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2008,2010 Freescale Semiconductor, Inc.
* Copyright 2019 NXP
* Author: Dave Liu <daveliu@freescale.com>
*/
#include <common.h>
#include <command.h>
#include <console.h>
#include <cpu_func.h>
#include <asm/io.h>
#include <asm/processor.h>
#include <asm/fsl_serdes.h>
#include <malloc.h>
#include <libata.h>
#include <fis.h>
#include <sata.h>
#include "fsl_sata.h"
#if CONFIG_IS_ENABLED(BLK)
#include <dm.h>
#include <ahci.h>
#include <blk.h>
#include <dm/device-internal.h>
#else
#ifndef CONFIG_SYS_SATA1_FLAGS
#define CONFIG_SYS_SATA1_FLAGS FLAGS_DMA
#endif
#ifndef CONFIG_SYS_SATA2_FLAGS
#define CONFIG_SYS_SATA2_FLAGS FLAGS_DMA
#endif
static struct fsl_sata_info fsl_sata_info[] = {
#ifdef CONFIG_SATA1
{CONFIG_SYS_SATA1, CONFIG_SYS_SATA1_FLAGS},
#else
{0, 0},
#endif
#ifdef CONFIG_SATA2
{CONFIG_SYS_SATA2, CONFIG_SYS_SATA2_FLAGS},
#else
{0, 0},
#endif
};
#endif
static inline void sdelay(unsigned long sec)
{
unsigned long i;
for (i = 0; i < sec; i++)
mdelay(1000);
}
static void fsl_sata_dump_sfis(struct sata_fis_d2h *s)
{
printf("Status FIS dump:\n\r");
printf("fis_type: %02x\n\r", s->fis_type);
printf("pm_port_i: %02x\n\r", s->pm_port_i);
printf("status: %02x\n\r", s->status);
printf("error: %02x\n\r", s->error);
printf("lba_low: %02x\n\r", s->lba_low);
printf("lba_mid: %02x\n\r", s->lba_mid);
printf("lba_high: %02x\n\r", s->lba_high);
printf("device: %02x\n\r", s->device);
printf("lba_low_exp: %02x\n\r", s->lba_low_exp);
printf("lba_mid_exp: %02x\n\r", s->lba_mid_exp);
printf("lba_high_exp: %02x\n\r", s->lba_high_exp);
printf("res1: %02x\n\r", s->res1);
printf("sector_count: %02x\n\r", s->sector_count);
printf("sector_count_exp: %02x\n\r", s->sector_count_exp);
}
static int ata_wait_register(unsigned __iomem *addr, u32 mask,
u32 val, u32 timeout_msec)
{
int i;
u32 temp;
for (i = 0; (((temp = in_le32(addr)) & mask) != val)
&& i < timeout_msec; i++)
mdelay(1);
return (i < timeout_msec) ? 0 : -1;
}
#if !CONFIG_IS_ENABLED(BLK)
int init_sata(int dev)
#else
static int init_sata(struct fsl_ata_priv *priv, int dev)
#endif
{
u32 length, align;
cmd_hdr_tbl_t *cmd_hdr;
u32 cda;
u32 val32;
fsl_sata_reg_t __iomem *reg;
u32 sig;
int i;
fsl_sata_t *sata;
if (dev < 0 || dev > (CONFIG_SYS_SATA_MAX_DEVICE - 1)) {
printf("the sata index %d is out of ranges\n\r", dev);
return -1;
}
#ifdef CONFIG_MPC85xx
if ((dev == 0) && (!is_serdes_configured(SATA1))) {
printf("SATA%d [dev = %d] is not enabled\n", dev+1, dev);
return -1;
}
if ((dev == 1) && (!is_serdes_configured(SATA2))) {
printf("SATA%d [dev = %d] is not enabled\n", dev+1, dev);
return -1;
}
#endif
/* Allocate SATA device driver struct */
sata = (fsl_sata_t *)malloc(sizeof(fsl_sata_t));
if (!sata) {
printf("alloc the sata device struct failed\n\r");
return -1;
}
/* Zero all of the device driver struct */
memset((void *)sata, 0, sizeof(fsl_sata_t));
snprintf(sata->name, 12, "SATA%d:", dev);
/* Set the controller register base address to device struct */
#if !CONFIG_IS_ENABLED(BLK)
sata_dev_desc[dev].priv = (void *)sata;
reg = (fsl_sata_reg_t *)(fsl_sata_info[dev].sata_reg_base);
sata->dma_flag = fsl_sata_info[dev].flags;
#else
reg = (fsl_sata_reg_t *)(priv->base + priv->offset * dev);
sata->dma_flag = priv->flag;
priv->fsl_sata = sata;
#endif
sata->reg_base = reg;
/* Allocate the command header table, 4 bytes aligned */
length = sizeof(struct cmd_hdr_tbl);
align = SATA_HC_CMD_HDR_TBL_ALIGN;
sata->cmd_hdr_tbl_offset = (void *)malloc(length + align);
if (!sata->cmd_hdr_tbl_offset) {
printf("alloc the command header failed\n\r");
return -1;
}
cmd_hdr = (cmd_hdr_tbl_t *)(((u32)sata->cmd_hdr_tbl_offset + align)
& ~(align - 1));
sata->cmd_hdr = cmd_hdr;
/* Zero all of the command header table */
memset((void *)sata->cmd_hdr_tbl_offset, 0, length + align);
/* Allocate command descriptor for all command */
length = sizeof(struct cmd_desc) * SATA_HC_MAX_CMD;
align = SATA_HC_CMD_DESC_ALIGN;
sata->cmd_desc_offset = (void *)malloc(length + align);
if (!sata->cmd_desc_offset) {
printf("alloc the command descriptor failed\n\r");
return -1;
}
sata->cmd_desc = (cmd_desc_t *)(((u32)sata->cmd_desc_offset + align)
& ~(align - 1));
/* Zero all of command descriptor */
memset((void *)sata->cmd_desc_offset, 0, length + align);
/* Link the command descriptor to command header */
for (i = 0; i < SATA_HC_MAX_CMD; i++) {
cda = ((u32)sata->cmd_desc + SATA_HC_CMD_DESC_SIZE * i)
& ~(CMD_HDR_CDA_ALIGN - 1);
cmd_hdr->cmd_slot[i].cda = cpu_to_le32(cda);
}
/* To have safe state, force the controller offline */
val32 = in_le32(&reg->hcontrol);
val32 &= ~HCONTROL_ONOFF;
val32 |= HCONTROL_FORCE_OFFLINE;
out_le32(&reg->hcontrol, val32);
/* Wait the controller offline */
ata_wait_register(&reg->hstatus, HSTATUS_ONOFF, 0, 1000);
/* Set the command header base address to CHBA register to tell DMA */
out_le32(&reg->chba, (u32)cmd_hdr & ~0x3);
/* Snoop for the command header */
val32 = in_le32(&reg->hcontrol);
val32 |= HCONTROL_HDR_SNOOP;
out_le32(&reg->hcontrol, val32);
/* Disable all of interrupts */
val32 = in_le32(&reg->hcontrol);
val32 &= ~HCONTROL_INT_EN_ALL;
out_le32(&reg->hcontrol, val32);
/* Clear all of interrupts */
val32 = in_le32(&reg->hstatus);
out_le32(&reg->hstatus, val32);
/* Set the ICC, no interrupt coalescing */
out_le32(&reg->icc, 0x01000000);
/* No PM attatched, the SATA device direct connect */
out_le32(&reg->cqpmp, 0);
/* Clear SError register */
val32 = in_le32(&reg->serror);
out_le32(&reg->serror, val32);
/* Clear CER register */
val32 = in_le32(&reg->cer);
out_le32(&reg->cer, val32);
/* Clear DER register */
val32 = in_le32(&reg->der);
out_le32(&reg->der, val32);
/* No device detection or initialization action requested */
out_le32(&reg->scontrol, 0x00000300);
/* Configure the transport layer, default value */
out_le32(&reg->transcfg, 0x08000016);
/* Configure the link layer, default value */
out_le32(&reg->linkcfg, 0x0000ff34);
/* Bring the controller online */
val32 = in_le32(&reg->hcontrol);
val32 |= HCONTROL_ONOFF;
out_le32(&reg->hcontrol, val32);
mdelay(100);
/* print sata device name */
printf("%s ", sata->name);
/* Wait PHY RDY signal changed for 500ms */
ata_wait_register(&reg->hstatus, HSTATUS_PHY_RDY,
HSTATUS_PHY_RDY, 500);
/* Check PHYRDY */
val32 = in_le32(&reg->hstatus);
if (val32 & HSTATUS_PHY_RDY) {
sata->link = 1;
} else {
sata->link = 0;
printf("(No RDY)\n\r");
return -1;
}
/* Wait for signature updated, which is 1st D2H */
ata_wait_register(&reg->hstatus, HSTATUS_SIGNATURE,
HSTATUS_SIGNATURE, 10000);
if (val32 & HSTATUS_SIGNATURE) {
sig = in_le32(&reg->sig);
debug("Signature updated, the sig =%08x\n\r", sig);
sata->ata_device_type = ata_dev_classify(sig);
}
/* Check the speed */
val32 = in_le32(&reg->sstatus);
if ((val32 & SSTATUS_SPD_MASK) == SSTATUS_SPD_GEN1)
printf("(1.5 Gbps)\n\r");
else if ((val32 & SSTATUS_SPD_MASK) == SSTATUS_SPD_GEN2)
printf("(3 Gbps)\n\r");
return 0;
}
int reset_sata(int dev)
{
return 0;
}
static void fsl_sata_dump_regs(fsl_sata_reg_t __iomem *reg)
{
printf("\n\rSATA: %08x\n\r", (u32)reg);
printf("CQR: %08x\n\r", in_le32(&reg->cqr));
printf("CAR: %08x\n\r", in_le32(&reg->car));
printf("CCR: %08x\n\r", in_le32(&reg->ccr));
printf("CER: %08x\n\r", in_le32(&reg->cer));
printf("CQR: %08x\n\r", in_le32(&reg->cqr));
printf("DER: %08x\n\r", in_le32(&reg->der));
printf("CHBA: %08x\n\r", in_le32(&reg->chba));
printf("HStatus: %08x\n\r", in_le32(&reg->hstatus));
printf("HControl: %08x\n\r", in_le32(&reg->hcontrol));
printf("CQPMP: %08x\n\r", in_le32(&reg->cqpmp));
printf("SIG: %08x\n\r", in_le32(&reg->sig));
printf("ICC: %08x\n\r", in_le32(&reg->icc));
printf("SStatus: %08x\n\r", in_le32(&reg->sstatus));
printf("SError: %08x\n\r", in_le32(&reg->serror));
printf("SControl: %08x\n\r", in_le32(&reg->scontrol));
printf("SNotification: %08x\n\r", in_le32(&reg->snotification));
printf("TransCfg: %08x\n\r", in_le32(&reg->transcfg));
printf("TransStatus: %08x\n\r", in_le32(&reg->transstatus));
printf("LinkCfg: %08x\n\r", in_le32(&reg->linkcfg));
printf("LinkCfg1: %08x\n\r", in_le32(&reg->linkcfg1));
printf("LinkCfg2: %08x\n\r", in_le32(&reg->linkcfg2));
printf("LinkStatus: %08x\n\r", in_le32(&reg->linkstatus));
printf("LinkStatus1: %08x\n\r", in_le32(&reg->linkstatus1));
printf("PhyCtrlCfg: %08x\n\r", in_le32(&reg->phyctrlcfg));
printf("SYSPR: %08x\n\r", in_be32(&reg->syspr));
}
static int fsl_ata_exec_ata_cmd(struct fsl_sata *sata, struct sata_fis_h2d *cfis,
int is_ncq, int tag, u8 *buffer, u32 len)
{
cmd_hdr_entry_t *cmd_hdr;
cmd_desc_t *cmd_desc;
sata_fis_h2d_t *h2d;
prd_entry_t *prde;
u32 ext_c_ddc;
u32 prde_count;
u32 val32;
u32 ttl;
fsl_sata_reg_t __iomem *reg = sata->reg_base;
int i;
/* Check xfer length */
if (len > SATA_HC_MAX_XFER_LEN) {
printf("max transfer length is 64MB\n\r");
return 0;
}
/* Setup the command descriptor */
cmd_desc = sata->cmd_desc + tag;
/* Get the pointer cfis of command descriptor */
h2d = (sata_fis_h2d_t *)cmd_desc->cfis;
/* Zero the cfis of command descriptor */
memset((void *)h2d, 0, SATA_HC_CMD_DESC_CFIS_SIZE);
/* Copy the cfis from user to command descriptor */
h2d->fis_type = cfis->fis_type;
h2d->pm_port_c = cfis->pm_port_c;
h2d->command = cfis->command;
h2d->features = cfis->features;
h2d->features_exp = cfis->features_exp;
h2d->lba_low = cfis->lba_low;
h2d->lba_mid = cfis->lba_mid;
h2d->lba_high = cfis->lba_high;
h2d->lba_low_exp = cfis->lba_low_exp;
h2d->lba_mid_exp = cfis->lba_mid_exp;
h2d->lba_high_exp = cfis->lba_high_exp;
if (!is_ncq) {
h2d->sector_count = cfis->sector_count;
h2d->sector_count_exp = cfis->sector_count_exp;
} else { /* NCQ */
h2d->sector_count = (u8)(tag << 3);
}
h2d->device = cfis->device;
h2d->control = cfis->control;
/* Setup the PRD table */
prde = (prd_entry_t *)cmd_desc->prdt;
memset((void *)prde, 0, sizeof(struct prdt));
prde_count = 0;
ttl = len;
for (i = 0; i < SATA_HC_MAX_PRD_DIRECT; i++) {
if (!len)
break;
prde->dba = cpu_to_le32((u32)buffer & ~0x3);
debug("dba = %08x\n\r", (u32)buffer);
if (len < PRD_ENTRY_MAX_XFER_SZ) {
ext_c_ddc = PRD_ENTRY_DATA_SNOOP | len;
debug("ext_c_ddc1 = %08x, len = %08x\n\r", ext_c_ddc, len);
prde->ext_c_ddc = cpu_to_le32(ext_c_ddc);
prde_count++;
prde++;
break;
} else {
ext_c_ddc = PRD_ENTRY_DATA_SNOOP; /* 4M bytes */
debug("ext_c_ddc2 = %08x, len = %08x\n\r", ext_c_ddc, len);
prde->ext_c_ddc = cpu_to_le32(ext_c_ddc);
buffer += PRD_ENTRY_MAX_XFER_SZ;
len -= PRD_ENTRY_MAX_XFER_SZ;
prde_count++;
prde++;
}
}
/* Setup the command slot of cmd hdr */
cmd_hdr = (cmd_hdr_entry_t *)&sata->cmd_hdr->cmd_slot[tag];
cmd_hdr->cda = cpu_to_le32((u32)cmd_desc & ~0x3);
val32 = prde_count << CMD_HDR_PRD_ENTRY_SHIFT;
val32 |= sizeof(sata_fis_h2d_t);
cmd_hdr->prde_fis_len = cpu_to_le32(val32);
cmd_hdr->ttl = cpu_to_le32(ttl);
if (!is_ncq) {
val32 = CMD_HDR_ATTR_RES | CMD_HDR_ATTR_SNOOP;
} else {
val32 = CMD_HDR_ATTR_RES | CMD_HDR_ATTR_SNOOP | CMD_HDR_ATTR_FPDMA;
}
tag &= CMD_HDR_ATTR_TAG;
val32 |= tag;
debug("attribute = %08x\n\r", val32);
cmd_hdr->attribute = cpu_to_le32(val32);
/* Make sure cmd desc and cmd slot valid before command issue */
sync();
/* PMP*/
val32 = (u32)(h2d->pm_port_c & 0x0f);
out_le32(&reg->cqpmp, val32);
/* Wait no active */
if (ata_wait_register(&reg->car, (1 << tag), 0, 10000))
printf("Wait no active time out\n\r");
/* Issue command */
if (!(in_le32(&reg->cqr) & (1 << tag))) {
val32 = 1 << tag;
out_le32(&reg->cqr, val32);
}
/* Wait command completed for 10s */
if (ata_wait_register(&reg->ccr, (1 << tag), (1 << tag), 10000)) {
if (!is_ncq)
printf("Non-NCQ command time out\n\r");
else
printf("NCQ command time out\n\r");
}
val32 = in_le32(&reg->cer);
if (val32) {
u32 der;
fsl_sata_dump_sfis((struct sata_fis_d2h *)cmd_desc->sfis);
printf("CE at device\n\r");
fsl_sata_dump_regs(reg);
der = in_le32(&reg->der);
out_le32(&reg->cer, val32);
out_le32(&reg->der, der);
}
/* Clear complete flags */
val32 = in_le32(&reg->ccr);
out_le32(&reg->ccr, val32);
return len;
}
static int fsl_ata_exec_reset_cmd(struct fsl_sata *sata, struct sata_fis_h2d *cfis,
int tag, u8 *buffer, u32 len)
{
return 0;
}
static int fsl_sata_exec_cmd(struct fsl_sata *sata, struct sata_fis_h2d *cfis,
enum cmd_type command_type, int tag, u8 *buffer, u32 len)
{
int rc;
if (tag > SATA_HC_MAX_CMD || tag < 0) {
printf("tag is out of range, tag=%d\n\r", tag);
return -1;
}
switch (command_type) {
case CMD_ATA:
rc = fsl_ata_exec_ata_cmd(sata, cfis, 0, tag, buffer, len);
return rc;
case CMD_RESET:
rc = fsl_ata_exec_reset_cmd(sata, cfis, tag, buffer, len);
return rc;
case CMD_NCQ:
rc = fsl_ata_exec_ata_cmd(sata, cfis, 1, tag, buffer, len);
return rc;
case CMD_ATAPI:
case CMD_VENDOR_BIST:
case CMD_BIST:
printf("not support now\n\r");
return -1;
default:
break;
}
return -1;
}
static void fsl_sata_xfer_mode(fsl_sata_t *sata, u16 *id)
{
sata->pio = id[ATA_ID_PIO_MODES];
sata->mwdma = id[ATA_ID_MWDMA_MODES];
sata->udma = id[ATA_ID_UDMA_MODES];
debug("pio %04x, mwdma %04x, udma %04x\n\r", sata->pio, sata->mwdma, sata->udma);
}
static void fsl_sata_set_features(fsl_sata_t *sata)
{
struct sata_fis_h2d h2d, *cfis = &h2d;
u8 udma_cap;
memset(cfis, 0, sizeof(struct sata_fis_h2d));
cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D;
cfis->pm_port_c = 0x80; /* is command */
cfis->command = ATA_CMD_SET_FEATURES;
cfis->features = SETFEATURES_XFER;
/* First check the device capablity */
udma_cap = (u8)(sata->udma & 0xff);
debug("udma_cap %02x\n\r", udma_cap);
if (udma_cap == ATA_UDMA6)
cfis->sector_count = XFER_UDMA_6;
if (udma_cap == ATA_UDMA5)
cfis->sector_count = XFER_UDMA_5;
if (udma_cap == ATA_UDMA4)
cfis->sector_count = XFER_UDMA_4;
if (udma_cap == ATA_UDMA3)
cfis->sector_count = XFER_UDMA_3;
fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, NULL, 0);
}
static u32 fsl_sata_rw_cmd(fsl_sata_t *sata, u32 start, u32 blkcnt, u8 *buffer,
int is_write)
{
struct sata_fis_h2d h2d, *cfis = &h2d;
u32 block;
block = start;
memset(cfis, 0, sizeof(struct sata_fis_h2d));
cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D;
cfis->pm_port_c = 0x80; /* is command */
cfis->command = (is_write) ? ATA_CMD_WRITE : ATA_CMD_READ;
cfis->device = ATA_LBA;
cfis->device |= (block >> 24) & 0xf;
cfis->lba_high = (block >> 16) & 0xff;
cfis->lba_mid = (block >> 8) & 0xff;
cfis->lba_low = block & 0xff;
cfis->sector_count = (u8)(blkcnt & 0xff);
fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, buffer, ATA_SECT_SIZE * blkcnt);
return blkcnt;
}
static void fsl_sata_flush_cache(fsl_sata_t *sata)
{
struct sata_fis_h2d h2d, *cfis = &h2d;
memset(cfis, 0, sizeof(struct sata_fis_h2d));
cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D;
cfis->pm_port_c = 0x80; /* is command */
cfis->command = ATA_CMD_FLUSH;
fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, NULL, 0);
}
static u32 fsl_sata_rw_cmd_ext(fsl_sata_t *sata, u32 start, u32 blkcnt,
u8 *buffer, int is_write)
{
struct sata_fis_h2d h2d, *cfis = &h2d;
u64 block;
block = (u64)start;
memset(cfis, 0, sizeof(struct sata_fis_h2d));
cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D;
cfis->pm_port_c = 0x80; /* is command */
cfis->command = (is_write) ? ATA_CMD_WRITE_EXT
: ATA_CMD_READ_EXT;
cfis->lba_high_exp = (block >> 40) & 0xff;
cfis->lba_mid_exp = (block >> 32) & 0xff;
cfis->lba_low_exp = (block >> 24) & 0xff;
cfis->lba_high = (block >> 16) & 0xff;
cfis->lba_mid = (block >> 8) & 0xff;
cfis->lba_low = block & 0xff;
cfis->device = ATA_LBA;
cfis->sector_count_exp = (blkcnt >> 8) & 0xff;
cfis->sector_count = blkcnt & 0xff;
fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, buffer, ATA_SECT_SIZE * blkcnt);
return blkcnt;
}
static u32 fsl_sata_rw_ncq_cmd(fsl_sata_t *sata, u32 start, u32 blkcnt,
u8 *buffer, int is_write)
{
struct sata_fis_h2d h2d, *cfis = &h2d;
int ncq_channel;
u64 block;
if (sata->lba48 != 1) {
printf("execute FPDMA command on non-LBA48 hard disk\n\r");
return -1;
}
block = (u64)start;
memset(cfis, 0, sizeof(struct sata_fis_h2d));
cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D;
cfis->pm_port_c = 0x80; /* is command */
cfis->command = (is_write) ? ATA_CMD_FPDMA_WRITE
: ATA_CMD_FPDMA_READ;
cfis->lba_high_exp = (block >> 40) & 0xff;
cfis->lba_mid_exp = (block >> 32) & 0xff;
cfis->lba_low_exp = (block >> 24) & 0xff;
cfis->lba_high = (block >> 16) & 0xff;
cfis->lba_mid = (block >> 8) & 0xff;
cfis->lba_low = block & 0xff;
cfis->device = ATA_LBA;
cfis->features_exp = (blkcnt >> 8) & 0xff;
cfis->features = blkcnt & 0xff;
if (sata->queue_depth >= SATA_HC_MAX_CMD)
ncq_channel = SATA_HC_MAX_CMD - 1;
else
ncq_channel = sata->queue_depth - 1;
/* Use the latest queue */
fsl_sata_exec_cmd(sata, cfis, CMD_NCQ, ncq_channel, buffer, ATA_SECT_SIZE * blkcnt);
return blkcnt;
}
static void fsl_sata_flush_cache_ext(fsl_sata_t *sata)
{
struct sata_fis_h2d h2d, *cfis = &h2d;
memset(cfis, 0, sizeof(struct sata_fis_h2d));
cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D;
cfis->pm_port_c = 0x80; /* is command */
cfis->command = ATA_CMD_FLUSH_EXT;
fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, NULL, 0);
}
static void fsl_sata_init_wcache(fsl_sata_t *sata, u16 *id)
{
if (ata_id_has_wcache(id) && ata_id_wcache_enabled(id))
sata->wcache = 1;
if (ata_id_has_flush(id))
sata->flush = 1;
if (ata_id_has_flush_ext(id))
sata->flush_ext = 1;
}
static u32 ata_low_level_rw_lba48(fsl_sata_t *sata, u32 blknr, lbaint_t blkcnt,
const void *buffer, int is_write)
{
u32 start, blks;
u8 *addr;
int max_blks;
start = blknr;
blks = blkcnt;
addr = (u8 *)buffer;
max_blks = ATA_MAX_SECTORS_LBA48;
do {
if (blks > max_blks) {
if (sata->dma_flag != FLAGS_FPDMA)
fsl_sata_rw_cmd_ext(sata, start, max_blks, addr,
is_write);
else
fsl_sata_rw_ncq_cmd(sata, start, max_blks, addr,
is_write);
start += max_blks;
blks -= max_blks;
addr += ATA_SECT_SIZE * max_blks;
} else {
if (sata->dma_flag != FLAGS_FPDMA)
fsl_sata_rw_cmd_ext(sata, start, blks, addr,
is_write);
else
fsl_sata_rw_ncq_cmd(sata, start, blks, addr,
is_write);
start += blks;
blks = 0;
addr += ATA_SECT_SIZE * blks;
}
} while (blks != 0);
return blkcnt;
}
static u32 ata_low_level_rw_lba28(fsl_sata_t *sata, u32 blknr, u32 blkcnt,
const void *buffer, int is_write)
{
u32 start, blks;
u8 *addr;
int max_blks;
start = blknr;
blks = blkcnt;
addr = (u8 *)buffer;
max_blks = ATA_MAX_SECTORS;
do {
if (blks > max_blks) {
fsl_sata_rw_cmd(sata, start, max_blks, addr, is_write);
start += max_blks;
blks -= max_blks;
addr += ATA_SECT_SIZE * max_blks;
} else {
fsl_sata_rw_cmd(sata, start, blks, addr, is_write);
start += blks;
blks = 0;
addr += ATA_SECT_SIZE * blks;
}
} while (blks != 0);
return blkcnt;
}
/*
* SATA interface between low level driver and command layer
*/
#if !CONFIG_IS_ENABLED(BLK)
ulong sata_read(int dev, ulong blknr, lbaint_t blkcnt, void *buffer)
{
fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
#else
static ulong sata_read(struct udevice *dev, lbaint_t blknr, lbaint_t blkcnt,
void *buffer)
{
struct fsl_ata_priv *priv = dev_get_platdata(dev);
fsl_sata_t *sata = priv->fsl_sata;
#endif
u32 rc;
if (sata->lba48)
rc = ata_low_level_rw_lba48(sata, blknr, blkcnt, buffer,
READ_CMD);
else
rc = ata_low_level_rw_lba28(sata, blknr, blkcnt, buffer,
READ_CMD);
return rc;
}
#if !CONFIG_IS_ENABLED(BLK)
ulong sata_write(int dev, ulong blknr, lbaint_t blkcnt, const void *buffer)
{
fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
#else
static ulong sata_write(struct udevice *dev, lbaint_t blknr, lbaint_t blkcnt,
const void *buffer)
{
struct fsl_ata_priv *priv = dev_get_platdata(dev);
fsl_sata_t *sata = priv->fsl_sata;
#endif
u32 rc;
if (sata->lba48) {
rc = ata_low_level_rw_lba48(sata, blknr, blkcnt, buffer,
WRITE_CMD);
if (sata->wcache && sata->flush_ext)
fsl_sata_flush_cache_ext(sata);
} else {
rc = ata_low_level_rw_lba28(sata, blknr, blkcnt, buffer,
WRITE_CMD);
if (sata->wcache && sata->flush)
fsl_sata_flush_cache(sata);
}
return rc;
}
static void fsl_sata_identify(fsl_sata_t *sata, u16 *id)
{
struct sata_fis_h2d h2d, *cfis = &h2d;
memset(cfis, 0, sizeof(struct sata_fis_h2d));
cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D;
cfis->pm_port_c = 0x80; /* is command */
cfis->command = ATA_CMD_ID_ATA;
fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, (u8 *)id, ATA_ID_WORDS * 2);
ata_swap_buf_le16(id, ATA_ID_WORDS);
}
#if !CONFIG_IS_ENABLED(BLK)
int scan_sata(int dev)
{
fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
#else
static int scan_sata(struct udevice *dev)
{
struct blk_desc *desc = dev_get_uclass_platdata(dev);
struct fsl_ata_priv *priv = dev_get_platdata(dev);
fsl_sata_t *sata = priv->fsl_sata;
#endif
unsigned char serial[ATA_ID_SERNO_LEN + 1];
unsigned char firmware[ATA_ID_FW_REV_LEN + 1];
unsigned char product[ATA_ID_PROD_LEN + 1];
u16 *id;
u64 n_sectors;
/* if no detected link */
if (!sata->link)
return -1;
id = (u16 *)malloc(ATA_ID_WORDS * 2);
if (!id) {
printf("id malloc failed\n\r");
return -1;
}
/* Identify device to get information */
fsl_sata_identify(sata, id);
/* Serial number */
ata_id_c_string(id, serial, ATA_ID_SERNO, sizeof(serial));
/* Firmware version */
ata_id_c_string(id, firmware, ATA_ID_FW_REV, sizeof(firmware));
/* Product model */
ata_id_c_string(id, product, ATA_ID_PROD, sizeof(product));
/* Totoal sectors */
n_sectors = ata_id_n_sectors(id);
#ifdef CONFIG_LBA48
/* Check if support LBA48 */
if (ata_id_has_lba48(id)) {
sata->lba48 = 1;
debug("Device support LBA48\n\r");
} else
debug("Device supports LBA28\n\r");
#endif
#if !CONFIG_IS_ENABLED(BLK)
memcpy(sata_dev_desc[dev].product, serial, sizeof(serial));
memcpy(sata_dev_desc[dev].revision, firmware, sizeof(firmware));
memcpy(sata_dev_desc[dev].vendor, product, sizeof(product));
sata_dev_desc[dev].lba = (u32)n_sectors;
#ifdef CONFIG_LBA48
sata_dev_desc[dev].lba48 = sata->lba48;
#endif
#else
memcpy(desc->product, serial, sizeof(serial));
memcpy(desc->revision, firmware, sizeof(firmware));
memcpy(desc->vendor, product, sizeof(product));
desc->lba = n_sectors;
#ifdef CONFIG_LBA48
desc->lba48 = sata->lba48;
#endif
#endif
/* Get the NCQ queue depth from device */
sata->queue_depth = ata_id_queue_depth(id);
/* Get the xfer mode from device */
fsl_sata_xfer_mode(sata, id);
/* Get the write cache status from device */
fsl_sata_init_wcache(sata, id);
/* Set the xfer mode to highest speed */
fsl_sata_set_features(sata);
#ifdef DEBUG
ata_dump_id(id);
#endif
free((void *)id);
return 0;
}
#if CONFIG_IS_ENABLED(BLK)
static const struct blk_ops sata_fsl_blk_ops = {
.read = sata_read,
.write = sata_write,
};
U_BOOT_DRIVER(sata_fsl_driver) = {
.name = "sata_fsl_blk",
.id = UCLASS_BLK,
.ops = &sata_fsl_blk_ops,
.platdata_auto_alloc_size = sizeof(struct fsl_ata_priv),
};
static int fsl_ata_ofdata_to_platdata(struct udevice *dev)
{
struct fsl_ata_priv *priv = dev_get_priv(dev);
priv->number = dev_read_u32_default(dev, "sata-number", -1);
priv->flag = dev_read_u32_default(dev, "sata-fpdma", -1);
priv->offset = dev_read_u32_default(dev, "sata-offset", -1);
priv->base = dev_read_addr(dev);
if (priv->base == FDT_ADDR_T_NONE)
return -EINVAL;
return 0;
}
static int fsl_unbind_device(struct udevice *dev)
{
int ret;
ret = device_remove(dev, DM_REMOVE_NORMAL);
if (ret)
return ret;
ret = device_unbind(dev);
if (ret)
return ret;
return 0;
}
static int fsl_ata_probe(struct udevice *dev)
{
struct fsl_ata_priv *blk_priv, *priv;
struct udevice *blk;
int failed_number;
char sata_name[10];
int nr_ports;
int ret;
int i;
failed_number = 0;
priv = dev_get_priv(dev);
nr_ports = priv->number;
nr_ports = min(nr_ports, CONFIG_SYS_SATA_MAX_DEVICE);
for (i = 0; i < nr_ports; i++) {
snprintf(sata_name, sizeof(sata_name), "fsl_sata%d", i);
ret = blk_create_devicef(dev, "sata_fsl_blk", sata_name,
IF_TYPE_SATA, -1, 512, 0, &blk);
if (ret) {
debug("Can't create device\n");
return ret;
}
/* Init SATA port */
ret = init_sata(priv, i);
if (ret) {
debug("%s: Failed to init sata\n", __func__);
ret = fsl_unbind_device(blk);
if (ret)
return ret;
failed_number++;
continue;
}
blk_priv = dev_get_platdata(blk);
blk_priv->fsl_sata = priv->fsl_sata;
/* Scan SATA port */
ret = scan_sata(blk);
if (ret) {
debug("%s: Failed to scan bus\n", __func__);
ret = fsl_unbind_device(blk);
if (ret)
return ret;
failed_number++;
continue;
}
}
if (failed_number == nr_ports)
return -ENODEV;
else
return 0;
}
static int fsl_ata_remove(struct udevice *dev)
{
fsl_sata_t *sata;
struct fsl_ata_priv *priv;
priv = dev_get_priv(dev);
sata = priv->fsl_sata;
free(sata->cmd_hdr_tbl_offset);
free(sata->cmd_desc_offset);
free(sata);
return 0;
}
static int sata_fsl_scan(struct udevice *dev)
{
/* Nothing to do here */
return 0;
}
struct ahci_ops sata_fsl_ahci_ops = {
.scan = sata_fsl_scan,
};
static const struct udevice_id fsl_ata_ids[] = {
{ .compatible = "fsl,pq-sata-v2" },
{ }
};
U_BOOT_DRIVER(fsl_ahci) = {
.name = "fsl_ahci",
.id = UCLASS_AHCI,
.of_match = fsl_ata_ids,
.ops = &sata_fsl_ahci_ops,
.ofdata_to_platdata = fsl_ata_ofdata_to_platdata,
.probe = fsl_ata_probe,
.remove = fsl_ata_remove,
.priv_auto_alloc_size = sizeof(struct fsl_ata_priv),
};
#endif