[U-Boot-Users] [PATCH v2 8/9] drivers: Add the support for Freescale SATA controller
Dave Liu
r63238 at freescale.com
Thu Mar 20 11:30:43 CET 2008
Add the Freescale on-chip SATA controller driver to u-boot,
The SATA controller is used on the 837x and 8315 targets,
The driver can be used to load kernel, fs and dtb.
The features list:
- 1.5/3 Gbps link speed
- LBA48, LBA28 support
- DMA and FPDMA support
- Two ports support
Signed-off-by: Dave Liu <daveliu at freescale.com>
---
drivers/block/Makefile | 1 +
drivers/block/fsl_sata.c | 921 ++++++++++++++++++++++++++++++++++++++++++++++
drivers/block/fsl_sata.h | 374 +++++++++++++++++++
3 files changed, 1296 insertions(+), 0 deletions(-)
create mode 100644 drivers/block/fsl_sata.c
create mode 100644 drivers/block/fsl_sata.h
diff --git a/drivers/block/Makefile b/drivers/block/Makefile
index d63ca2d..dca3547 100644
--- a/drivers/block/Makefile
+++ b/drivers/block/Makefile
@@ -27,6 +27,7 @@ LIB := $(obj)libblock.a
COBJS-y += ahci.o
COBJS-y += ata_piix.o
+COBJS-$(CONFIG_FSL_SATA) += fsl_sata.o
COBJS-$(CONFIG_LIBATA) += libata.o
COBJS-y += sil680.o
COBJS-y += sym53c8xx.o
diff --git a/drivers/block/fsl_sata.c b/drivers/block/fsl_sata.c
new file mode 100644
index 0000000..df00446
--- /dev/null
+++ b/drivers/block/fsl_sata.c
@@ -0,0 +1,921 @@
+/*
+ * Copyright (C) 2008 Freescale Semiconductor, Inc.
+ * Dave Liu <daveliu at freescale.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <command.h>
+#include <asm/io.h>
+#include <malloc.h>
+#include <libata.h>
+#include <fis.h>
+#include "fsl_sata.h"
+
+extern block_dev_desc_t sata_dev_desc[CFG_SATA_MAX_DEVICE];
+
+#ifndef CFG_SATA1_FLAGS
+ #define CFG_SATA1_FLAGS FLAGS_DMA
+#endif
+#ifndef CFG_SATA2_FLAGS
+ #define CFG_SATA2_FLAGS FLAGS_DMA
+#endif
+
+static struct fsl_sata_info fsl_sata_info[] = {
+#ifdef CONFIG_SATA1
+ {CFG_SATA1, CFG_SATA1_FLAGS},
+#else
+ {0, 0},
+#endif
+#ifdef CONFIG_SATA2
+ {CFG_SATA2, CFG_SATA2_FLAGS},
+#else
+ {0, 0},
+#endif
+};
+
+static inline void mdelay(unsigned long msec)
+{
+ unsigned long i;
+ for (i = 0; i < msec; i++)
+ udelay(1000);
+}
+
+static inline void sdelay(unsigned long sec)
+{
+ unsigned long i;
+ for (i = 0; i < sec; i++)
+ mdelay(1000);
+}
+
+void dprint_buffer(unsigned char *buf, int len)
+{
+ int i, j;
+
+ i = 0;
+ j = 0;
+ printf("\n\r");
+
+ for (i = 0; i < len; i++) {
+ printf("%02x ", *buf++);
+ j++;
+ if (j == 16) {
+ printf("\n\r");
+ j = 0;
+ }
+ }
+ printf("\n\r");
+}
+
+static void fsl_sata_dump_sfis(struct sfis *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(volatile unsigned *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;
+}
+
+static int fsl_sata_init(int dev)
+{
+ u32 length, align;
+ cmd_hdr_tbl_t *cmd_hdr;
+ u32 cda;
+ u32 val32;
+ fsl_sata_reg_t *reg;
+ u32 sig;
+ int i;
+ fsl_sata_t *sata;
+
+ if (dev < 0 || dev > (CFG_SATA_MAX_DEVICE - 1)) {
+ printf("the sata index %d is out of ranges\n\r", dev);
+ return -1;
+ }
+
+ /* 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));
+
+ /* Save the private struct to block device struct */
+ sata_dev_desc[dev].priv = (void *)sata;
+
+ sprintf(sata->name, "SATA%d", dev);
+
+ /* Set the controller register base address to device struct */
+ reg = (fsl_sata_reg_t *)(fsl_sata_info[dev].sata_reg_base);
+ 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) {
+ 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(®->hcontrol);
+ val32 &= ~HCONTROL_ONOFF;
+ val32 |= HCONTROL_FORCE_OFFLINE;
+ out_le32(®->hcontrol, val32);
+
+ /* Wait the controller offline */
+ ata_wait_register(®->hstatus, HSTATUS_ONOFF, 0, 1000);
+
+ /* Set the command header base address to CHBA register to tell DMA */
+ out_le32(®->chba, (u32)cmd_hdr & ~0x3);
+
+ /* Snoop for the command header */
+ val32 = in_le32(®->hcontrol);
+ val32 |= HCONTROL_HDR_SNOOP;
+ out_le32(®->hcontrol, val32);
+
+ /* Disable all of interrupts */
+ val32 = in_le32(®->hcontrol);
+ val32 &= ~HCONTROL_INT_EN_ALL;
+ out_le32(®->hcontrol, val32);
+
+ /* Clear all of interrupts */
+ val32 = in_le32(®->hstatus);
+ out_le32(®->hstatus, val32);
+
+ /* Set the ICC, no interrupt coalescing */
+ out_le32(®->icc, 0x01000000);
+
+ /* No PM attatched, the SATA device direct connect */
+ out_le32(®->cqpmp, 0);
+
+ /* Clear SError register */
+ val32 = in_le32(®->serror);
+ out_le32(®->serror, val32);
+
+ /* Clear CER register */
+ val32 = in_le32(®->cer);
+ out_le32(®->cer, val32);
+
+ /* Clear DER register */
+ val32 = in_le32(®->der);
+ out_le32(®->der, val32);
+
+ /* No device detection or initialization action requested */
+ out_le32(®->scontrol, 0x00000300);
+
+ /* Configure the transport layer, default value */
+ out_le32(®->transcfg, 0x08000016);
+
+ /* Configure the link layer, default value */
+ out_le32(®->linkcfg, 0x0000ff34);
+
+ /* Bring the controller online */
+ val32 = in_le32(®->hcontrol);
+ val32 |= HCONTROL_ONOFF;
+ out_le32(®->hcontrol, val32);
+
+ mdelay(100);
+
+ /* print sata device name */
+ if (!dev)
+ printf("%s ", sata->name);
+ else
+ printf(" %s ", sata->name);
+
+ /* Check PHYRDY */
+ val32 = in_le32(®->hstatus);
+ if (val32 & HSTATUS_PHY_RDY) {
+ sata->link = 1;
+ } else {
+ sata->link = 0;
+ printf("(No RDY)\n\r");
+ return -1;
+ }
+
+ if (val32 & HSTATUS_SIGNATURE) {
+ sig = in_le32(®->sig);
+ debug("Signature updated, the sig =%08x\n\r", sig);
+ sata->ata_device_type = ata_dev_classify(sig);
+ }
+
+ /* Check the speed */
+ val32 = in_le32(®->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;
+}
+
+/* Hardware reset, like Power-on and COMRESET */
+void fsl_sata_hardware_reset(u32 reg_base)
+{
+ fsl_sata_reg_t *reg = (fsl_sata_reg_t *)reg_base;
+ u32 scontrol;
+
+ /* Disable the SATA interface and put PHY offline */
+ scontrol = in_le32(®->scontrol);
+ scontrol = (scontrol & 0x0f0) | 0x304;
+ out_le32(®->scontrol, scontrol);
+
+ /* No speed strict */
+ scontrol = in_le32(®->scontrol);
+ scontrol = scontrol & ~0x0f0;
+ out_le32(®->scontrol, scontrol);
+
+ /* Issue PHY wake/reset, Hardware_reset_asserted */
+ scontrol = in_le32(®->scontrol);
+ scontrol = (scontrol & 0x0f0) | 0x301;
+ out_le32(®->scontrol, scontrol);
+
+ mdelay(100);
+
+ /* Resume PHY, COMRESET negated, the device initialize hardware
+ * and execute diagnostics, send good status-signature to host,
+ * which is D2H register FIS, and then the device enter idle state.
+ */
+ scontrol = in_le32(®->scontrol);
+ scontrol = (scontrol & 0x0f0) | 0x300;
+ out_le32(®->scontrol, scontrol);
+
+ mdelay(100);
+ return;
+}
+
+static void fsl_sata_dump_regs(fsl_sata_reg_t *reg)
+{
+ printf("\n\rSATA: %08x\n\r", (u32)reg);
+ printf("CQR: %08x\n\r", in_le32(®->cqr));
+ printf("CAR: %08x\n\r", in_le32(®->car));
+ printf("CCR: %08x\n\r", in_le32(®->ccr));
+ printf("CER: %08x\n\r", in_le32(®->cer));
+ printf("CQR: %08x\n\r", in_le32(®->cqr));
+ printf("DER: %08x\n\r", in_le32(®->der));
+ printf("CHBA: %08x\n\r", in_le32(®->chba));
+ printf("HStatus: %08x\n\r", in_le32(®->hstatus));
+ printf("HControl: %08x\n\r", in_le32(®->hcontrol));
+ printf("CQPMP: %08x\n\r", in_le32(®->cqpmp));
+ printf("SIG: %08x\n\r", in_le32(®->sig));
+ printf("ICC: %08x\n\r", in_le32(®->icc));
+ printf("SStatus: %08x\n\r", in_le32(®->sstatus));
+ printf("SError: %08x\n\r", in_le32(®->serror));
+ printf("SControl: %08x\n\r", in_le32(®->scontrol));
+ printf("SNotification: %08x\n\r", in_le32(®->snotification));
+ printf("TransCfg: %08x\n\r", in_le32(®->transcfg));
+ printf("TransStatus: %08x\n\r", in_le32(®->transstatus));
+ printf("LinkCfg: %08x\n\r", in_le32(®->linkcfg));
+ printf("LinkCfg1: %08x\n\r", in_le32(®->linkcfg1));
+ printf("LinkCfg2: %08x\n\r", in_le32(®->linkcfg2));
+ printf("LinkStatus: %08x\n\r", in_le32(®->linkstatus));
+ printf("LinkStatus1: %08x\n\r", in_le32(®->linkstatus1));
+ printf("PhyCtrlCfg: %08x\n\r", in_le32(®->phyctrlcfg));
+ printf("SYSPR: %08x\n\r", in_be32(®->syspr));
+}
+
+static int fsl_ata_exec_ata_cmd(struct fsl_sata *sata, struct cfis *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 *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 commmand issue */
+ sync();
+
+ /* PMP*/
+ val32 = (u32)(h2d->pm_port_c & 0x0f);
+ out_le32(®->cqpmp, val32);
+
+ /* Wait no active */
+ if (ata_wait_register(®->car, (1 << tag), 0, 10000))
+ printf("Wait no active time out\n\r");
+
+ /* Issue command */
+ if (!(in_le32(®->cqr) & (1 << tag))) {
+ val32 = 1 << tag;
+ out_le32(®->cqr, val32);
+ }
+
+ /* Wait command completed for 10s */
+ if (ata_wait_register(®->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(®->cer);
+
+ if (val32) {
+ u32 der;
+ fsl_sata_dump_sfis((struct sfis *)cmd_desc->sfis);
+ printf("CE at device\n\r");
+ fsl_sata_dump_regs(reg);
+ der = in_le32(®->der);
+ out_le32(®->cer, val32);
+ out_le32(®->der, der);
+ }
+
+ /* Clear complete flags */
+ val32 = in_le32(®->ccr);
+ out_le32(®->ccr, val32);
+
+ return len;
+}
+
+static int fsl_ata_exec_reset_cmd(struct fsl_sata *sata, struct cfis *cfis,
+ int tag, u8 *buffer, u32 len)
+{
+ return 0;
+}
+
+static int fsl_sata_exec_cmd(struct fsl_sata *sata, struct cfis *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=\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_identify(int dev, u16 *id)
+{
+ fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
+ struct sata_fis_h2d h2d;
+ struct cfis *cfis;
+
+ cfis = (struct cfis *)&h2d;
+ memset((void *)cfis, 0, sizeof(struct cfis));
+
+ 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);
+}
+
+static void fsl_sata_xfer_mode(int dev, u16 *id)
+{
+ fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
+
+ 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(int dev)
+{
+ fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
+ struct sata_fis_h2d h2d;
+ struct cfis *cfis;
+ u8 udma_cap;
+
+ cfis = (struct cfis *)&h2d;
+ memset((void *)cfis, 0, sizeof(struct cfis));
+
+ 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(int dev, u32 start, u32 blkcnt, u8 *buffer, int is_write)
+{
+ fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
+ struct sata_fis_h2d h2d;
+ struct cfis *cfis;
+ u32 block;
+
+ block = start;
+ cfis = (struct cfis *)&h2d;
+
+ memset((void *)cfis, 0, sizeof(struct cfis));
+
+ cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D;
+ cfis->pm_port_c = 0x80; /* is command */
+ cfis->command = (is_write) ? ATA_CMD_WRITE_DMA : ATA_CMD_READ_DMA;
+ 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;
+}
+
+void fsl_sata_flush_cache(int dev)
+{
+ fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
+ struct sata_fis_h2d h2d;
+ struct cfis *cfis;
+
+ cfis = (struct cfis *)&h2d;
+
+ memset((void *)cfis, 0, sizeof(struct cfis));
+
+ cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D;
+ cfis->pm_port_c = 0x80; /* is command */
+ cfis->command = ATA_CMD_FLUSH_CACHE;
+
+ fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, NULL, 0);
+}
+
+static u32 fsl_sata_rw_cmd_ext(int dev, u32 start, u32 blkcnt, u8 *buffer, int is_write)
+{
+ fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
+ struct sata_fis_h2d h2d;
+ struct cfis *cfis;
+ u64 block;
+
+ block = (u64)start;
+ cfis = (struct cfis *)&h2d;
+
+ memset((void *)cfis, 0, sizeof(struct cfis));
+
+ cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D;
+ cfis->pm_port_c = 0x80; /* is command */
+
+ cfis->command = (is_write) ? ATA_CMD_WRITE_DMA_EXT
+ : ATA_CMD_READ_DMA_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;
+}
+
+u32 fsl_sata_rw_ncq_cmd(int dev, u32 start, u32 blkcnt, u8 *buffer, int is_write)
+{
+ fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
+ struct sata_fis_h2d h2d;
+ struct cfis *cfis;
+ int ncq_channel;
+ u64 block;
+
+ if (sata_dev_desc[dev].lba48 != 1) {
+ printf("execute FPDMA command on non-LBA48 hard disk\n\r");
+ return -1;
+ }
+
+ block = (u64)start;
+ cfis = (struct cfis *)&h2d;
+
+ memset((void *)cfis, 0, sizeof(struct cfis));
+
+ cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D;
+ cfis->pm_port_c = 0x80; /* is command */
+
+ cfis->command = (is_write) ? ATA_CMD_WRITE_FPDMA_QUEUED
+ : ATA_CMD_READ_FPDMA_QUEUED;
+
+ 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;
+}
+
+void fsl_sata_flush_cache_ext(int dev)
+{
+ fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
+ struct sata_fis_h2d h2d;
+ struct cfis *cfis;
+
+ cfis = (struct cfis *)&h2d;
+
+ memset((void *)cfis, 0, sizeof(struct cfis));
+
+ cfis->fis_type = SATA_FIS_TYPE_REGISTER_H2D;
+ cfis->pm_port_c = 0x80; /* is command */
+ cfis->command = ATA_CMD_FLUSH_CACHE_EXT;
+
+ fsl_sata_exec_cmd(sata, cfis, CMD_ATA, 0, NULL, 0);
+}
+
+/* Software reset, set SRST of the Device Control register */
+void fsl_sata_software_reset(int dev)
+{
+ return;
+}
+
+static void fsl_sata_init_wcache(int dev, u16 *id)
+{
+ fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
+
+ 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 int fsl_sata_get_wcache(int dev)
+{
+ fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
+ return sata->wcache;
+}
+
+static int fsl_sata_get_flush(int dev)
+{
+ fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
+ return sata->flush;
+}
+
+static int fsl_sata_get_flush_ext(int dev)
+{
+ fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
+ return sata->flush_ext;
+}
+
+u32 ata_low_level_rw_lba48(int dev, u32 blknr, u32 blkcnt, 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 (fsl_sata_info[dev].flags != FLAGS_FPDMA)
+ fsl_sata_rw_cmd_ext(dev, start, max_blks, addr, is_write);
+ else
+ fsl_sata_rw_ncq_cmd(dev, start, max_blks, addr, is_write);
+ start += max_blks;
+ blks -= max_blks;
+ addr += ATA_SECT_SIZE * max_blks;
+ } else {
+ if (fsl_sata_info[dev].flags != FLAGS_FPDMA)
+ fsl_sata_rw_cmd_ext(dev, start, blks, addr, is_write);
+ else
+ fsl_sata_rw_ncq_cmd(dev, start, blks, addr, is_write);
+ start += blks;
+ blks = 0;
+ addr += ATA_SECT_SIZE * blks;
+ }
+ } while (blks != 0);
+
+ return blkcnt;
+}
+
+u32 ata_low_level_rw_lba28(int dev, u32 blknr, u32 blkcnt, 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(dev, start, max_blks, addr, is_write);
+ start += max_blks;
+ blks -= max_blks;
+ addr += ATA_SECT_SIZE * max_blks;
+ } else {
+ fsl_sata_rw_cmd(dev, 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
+ *******************************************************************/
+u32 sata_low_level_read(int dev, u32 blknr, u32 blkcnt, void *buffer)
+{
+ u32 rc;
+
+ if (sata_dev_desc[dev].lba48)
+ rc = ata_low_level_rw_lba48(dev, blknr, blkcnt, buffer, READ_CMD);
+ else
+ rc = ata_low_level_rw_lba28(dev, blknr, blkcnt, buffer, READ_CMD);
+ return rc;
+}
+
+u32 sata_low_level_write(int dev, u32 blknr, u32 blkcnt, void *buffer)
+{
+ u32 rc;
+
+ if (sata_dev_desc[dev].lba48) {
+ rc = ata_low_level_rw_lba48(dev, blknr, blkcnt, buffer, WRITE_CMD);
+ if (fsl_sata_get_wcache(dev) && fsl_sata_get_flush_ext(dev))
+ fsl_sata_flush_cache_ext(dev);
+ } else {
+ rc = ata_low_level_rw_lba28(dev, blknr, blkcnt, buffer, WRITE_CMD);
+ if (fsl_sata_get_wcache(dev) && fsl_sata_get_flush(dev))
+ fsl_sata_flush_cache(dev);
+ }
+ return rc;
+}
+
+int sata_low_level_init(int dev)
+{
+ return fsl_sata_init(dev);
+}
+
+int sata_low_level_scan(int dev)
+{
+ fsl_sata_t *sata = (fsl_sata_t *)sata_dev_desc[dev].priv;
+ 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(dev, id);
+
+ /* Serial number */
+ ata_id_c_string(id, serial, ATA_ID_SERNO, sizeof(serial));
+ memcpy(sata_dev_desc[dev].product, serial, sizeof(serial));
+
+ /* Firmware version */
+ ata_id_c_string(id, firmware, ATA_ID_FW_REV, sizeof(firmware));
+ memcpy(sata_dev_desc[dev].revision, firmware, sizeof(firmware));
+
+ /* Product model */
+ ata_id_c_string(id, product, ATA_ID_PROD, sizeof(product));
+ memcpy(sata_dev_desc[dev].vendor, product, sizeof(product));
+
+ /* Totoal sectors */
+ n_sectors = ata_id_n_sectors(id);
+ sata_dev_desc[dev].lba = (u32)n_sectors;
+
+ /* Check if support LBA48 */
+ if (ata_id_has_lba48(id)) {
+ sata_dev_desc[dev].lba48 = 1;
+ debug("Device support LBA48\n\r");
+ }
+
+ /* 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(dev, id);
+
+ /* Get the write cache status from device */
+ fsl_sata_init_wcache(dev, id);
+
+ /* Set the xfer mode to highest speed */
+ fsl_sata_set_features(dev);
+#ifdef DEBUG
+ fsl_sata_identify(dev, id);
+ ata_dump_id(id);
+#endif
+ free((void *)id);
+ return 0;
+}
diff --git a/drivers/block/fsl_sata.h b/drivers/block/fsl_sata.h
new file mode 100644
index 0000000..874c0dc
--- /dev/null
+++ b/drivers/block/fsl_sata.h
@@ -0,0 +1,374 @@
+/*
+ * Copyright (C) 2007-2008 Freescale Semiconductor, Inc.
+ * Dave Liu <daveliu at freescale.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef __FSL_SATA_H__
+#define __FSL_SATA_H__
+
+#define SATA_HC_MAX_NUM 4 /* Max host controller numbers */
+#define SATA_HC_MAX_CMD 16 /* Max command queue depth per host controller */
+#define SATA_HC_MAX_PORT 16 /* Max port number per host controller */
+
+/*
+* SATA Host Controller Registers
+*/
+typedef struct fsl_sata_reg {
+ /* SATA command registers */
+ u32 cqr; /* Command queue register */
+ u8 res1[0x4];
+ u32 car; /* Command active register */
+ u8 res2[0x4];
+ u32 ccr; /* Command completed register */
+ u8 res3[0x4];
+ u32 cer; /* Command error register */
+ u8 res4[0x4];
+ u32 der; /* Device error register */
+ u32 chba; /* Command header base address */
+ u32 hstatus; /* Host status register */
+ u32 hcontrol; /* Host control register */
+ u32 cqpmp; /* Port number queue register */
+ u32 sig; /* Signature register */
+ u32 icc; /* Interrupt coalescing control register */
+ u8 res5[0xc4];
+
+ /* SATA supperset registers */
+ u32 sstatus; /* SATA interface status register */
+ u32 serror; /* SATA interface error register */
+ u32 scontrol; /* SATA interface control register */
+ u32 snotification; /* SATA interface notification register */
+ u8 res6[0x30];
+
+ /* SATA control status registers */
+ u32 transcfg; /* Transport layer configuration */
+ u32 transstatus; /* Transport layer status */
+ u32 linkcfg; /* Link layer configuration */
+ u32 linkcfg1; /* Link layer configuration1 */
+ u32 linkcfg2; /* Link layer configuration2 */
+ u32 linkstatus; /* Link layer status */
+ u32 linkstatus1; /* Link layer status1 */
+ u32 phyctrlcfg; /* PHY control configuration */
+ u8 res7[0x2b0];
+
+ /* SATA system control registers */
+ u32 syspr; /* System priority register - big endian */
+ u8 res8[0xbec];
+} __attribute__ ((packed)) fsl_sata_reg_t;
+
+/* HStatus register
+*/
+#define HSTATUS_ONOFF 0x80000000 /* Online/offline status */
+#define HSTATUS_FORCE_OFFLINE 0x40000000 /* In process going offline */
+#define HSTATUS_BIST_ERR 0x20000000
+
+/* Fatal error */
+#define HSTATUS_MASTER_ERR 0x00004000
+#define HSTATUS_DATA_UNDERRUN 0x00002000
+#define HSTATUS_DATA_OVERRUN 0x00001000
+#define HSTATUS_CRC_ERR_TX 0x00000800
+#define HSTATUS_CRC_ERR_RX 0x00000400
+#define HSTATUS_FIFO_OVERFLOW_TX 0x00000200
+#define HSTATUS_FIFO_OVERFLOW_RX 0x00000100
+#define HSTATUS_FATAL_ERR_ALL (HSTATUS_MASTER_ERR | \
+ HSTATUS_DATA_UNDERRUN | \
+ HSTATUS_DATA_OVERRUN | \
+ HSTATUS_CRC_ERR_TX | \
+ HSTATUS_CRC_ERR_RX | \
+ HSTATUS_FIFO_OVERFLOW_TX | \
+ HSTATUS_FIFO_OVERFLOW_RX)
+/* Interrupt status */
+#define HSTATUS_FATAL_ERR 0x00000020
+#define HSTATUS_PHY_RDY 0x00000010
+#define HSTATUS_SIGNATURE 0x00000008
+#define HSTATUS_SNOTIFY 0x00000004
+#define HSTATUS_DEVICE_ERR 0x00000002
+#define HSTATUS_CMD_COMPLETE 0x00000001
+
+/* HControl register
+*/
+#define HCONTROL_ONOFF 0x80000000 /* Online or offline request */
+#define HCONTROL_FORCE_OFFLINE 0x40000000 /* Force offline request */
+#define HCONTROL_HDR_SNOOP 0x00000400 /* Command header snoop */
+#define HCONTROL_PMP_ATTACHED 0x00000200 /* Port multiplier attached */
+
+/* Interrupt enable */
+#define HCONTROL_FATAL_ERR 0x00000020
+#define HCONTROL_PHY_RDY 0x00000010
+#define HCONTROL_SIGNATURE 0x00000008
+#define HCONTROL_SNOTIFY 0x00000004
+#define HCONTROL_DEVICE_ERR 0x00000002
+#define HCONTROL_CMD_COMPLETE 0x00000001
+
+#define HCONTROL_INT_EN_ALL (HCONTROL_FATAL_ERR | \
+ HCONTROL_PHY_RDY | \
+ HCONTROL_SIGNATURE | \
+ HCONTROL_SNOTIFY | \
+ HCONTROL_DEVICE_ERR | \
+ HCONTROL_CMD_COMPLETE)
+
+/* SStatus register
+*/
+#define SSTATUS_IPM_MASK 0x00000780
+#define SSTATUS_IPM_NOPRESENT 0x00000000
+#define SSTATUS_IPM_ACTIVE 0x00000080
+#define SSTATUS_IPM_PATIAL 0x00000100
+#define SSTATUS_IPM_SLUMBER 0x00000300
+
+#define SSTATUS_SPD_MASK 0x000000f0
+#define SSTATUS_SPD_GEN1 0x00000010
+#define SSTATUS_SPD_GEN2 0x00000020
+
+#define SSTATUS_DET_MASK 0x0000000f
+#define SSTATUS_DET_NODEVICE 0x00000000
+#define SSTATUS_DET_DISCONNECT 0x00000001
+#define SSTATUS_DET_CONNECT 0x00000003
+#define SSTATUS_DET_PHY_OFFLINE 0x00000004
+
+/* SControl register
+*/
+#define SCONTROL_SPM_MASK 0x0000f000
+#define SCONTROL_SPM_GO_PARTIAL 0x00001000
+#define SCONTROL_SPM_GO_SLUMBER 0x00002000
+#define SCONTROL_SPM_GO_ACTIVE 0x00004000
+
+#define SCONTROL_IPM_MASK 0x00000f00
+#define SCONTROL_IPM_NO_RESTRICT 0x00000000
+#define SCONTROL_IPM_PARTIAL 0x00000100
+#define SCONTROL_IPM_SLUMBER 0x00000200
+#define SCONTROL_IPM_PART_SLUM 0x00000300
+
+#define SCONTROL_SPD_MASK 0x000000f0
+#define SCONTROL_SPD_NO_RESTRICT 0x00000000
+#define SCONTROL_SPD_GEN1 0x00000010
+#define SCONTROL_SPD_GEN2 0x00000020
+
+#define SCONTROL_DET_MASK 0x0000000f
+#define SCONTROL_DET_HRESET 0x00000001
+#define SCONTROL_DET_DISABLE 0x00000004
+
+/* TransCfg register
+*/
+#define TRANSCFG_DFIS_SIZE_SHIFT 16
+#define TRANSCFG_RX_WATER_MARK_MASK 0x0000001f
+
+/* PhyCtrlCfg register
+*/
+#define PHYCTRLCFG_FPRFTI_MASK 0x00000018
+#define PHYCTRLCFG_LOOPBACK_MASK 0x0000000e
+
+/*
+* Command Header Entry
+*/
+typedef struct cmd_hdr_entry {
+ u32 cda; /* Command Descriptor Address, 4 bytes aligned */
+ u32 prde_fis_len; /* Number of PRD entries and FIS length */
+ u32 ttl; /* Total transfer length */
+ u32 attribute; /* the attribute of command */
+} __attribute__ ((packed)) cmd_hdr_entry_t;
+
+#define SATA_HC_CMD_HDR_ENTRY_SIZE sizeof(struct cmd_hdr_entry)
+
+/* cda
+*/
+#define CMD_HDR_CDA_ALIGN 4
+
+/* prde_fis_len
+*/
+#define CMD_HDR_PRD_ENTRY_SHIFT 16
+#define CMD_HDR_PRD_ENTRY_MASK 0x003f0000
+#define CMD_HDR_FIS_LEN_SHIFT 2
+
+/* attribute
+*/
+#define CMD_HDR_ATTR_RES 0x00000800 /* Reserved bit, should be 1 */
+#define CMD_HDR_ATTR_VBIST 0x00000400 /* Vendor BIST */
+#define CMD_HDR_ATTR_SNOOP 0x00000200 /* Snoop enable for all descriptor */
+#define CMD_HDR_ATTR_FPDMA 0x00000100 /* FPDMA queued command */
+#define CMD_HDR_ATTR_RESET 0x00000080 /* Reset - a SRST or device reset */
+#define CMD_HDR_ATTR_BIST 0x00000040 /* BIST - require the host to enter BIST mode */
+#define CMD_HDR_ATTR_ATAPI 0x00000020 /* ATAPI command */
+#define CMD_HDR_ATTR_TAG 0x0000001f /* TAG mask */
+
+/* command type
+*/
+enum cmd_type {
+ CMD_VENDOR_BIST,
+ CMD_BIST,
+ CMD_RESET, /* SRST or device reset */
+ CMD_ATAPI,
+ CMD_NCQ,
+ CMD_ATA, /* None of all above */
+};
+
+/*
+* Command Header Table
+*/
+typedef struct cmd_hdr_tbl {
+ cmd_hdr_entry_t cmd_slot[SATA_HC_MAX_CMD];
+} __attribute__ ((packed)) cmd_hdr_tbl_t;
+
+#define SATA_HC_CMD_HDR_TBL_SIZE sizeof(struct cmd_hdr_tbl)
+#define SATA_HC_CMD_HDR_TBL_ALIGN 4
+
+/*
+* PRD entry - Physical Region Descriptor entry
+*/
+typedef struct prd_entry {
+ u32 dba; /* Data base address, 4 bytes aligned */
+ u32 res1;
+ u32 res2;
+ u32 ext_c_ddc; /* Indirect PRD flags, snoop and data word count */
+} __attribute__ ((packed)) prd_entry_t;
+
+#define SATA_HC_CMD_DESC_PRD_SIZE sizeof(struct prd_entry)
+
+/* dba
+*/
+#define PRD_ENTRY_DBA_ALIGN 4
+
+/* ext_c_ddc
+*/
+#define PRD_ENTRY_EXT 0x80000000 /* extension flag or called indirect descriptor flag */
+#define PRD_ENTRY_DATA_SNOOP 0x00400000 /* Snoop enable for all data associated with the PRD entry */
+#define PRD_ENTRY_LEN_MASK 0x003fffff /* Data word count */
+
+#define PRD_ENTRY_MAX_XFER_SZ (PRD_ENTRY_LEN_MASK + 1)
+
+/*
+ * This SATA host controller supports a max of 16 direct PRD entries, but if use
+ * chained indirect PRD entries, then the contollers supports upto a max of 63
+ * entries including direct and indirect PRD entries.
+ * The PRDT is an array of 63 PRD entries contigiously, but the PRD entries#15
+ * will be setup as an indirect descriptor, pointing to it's next (contigious)
+ * PRD entries#16.
+ */
+#define SATA_HC_MAX_PRD 63 /* Max PRD entry numbers per command */
+#define SATA_HC_MAX_PRD_DIRECT 16 /* Direct PRDT entries */
+#define SATA_HC_MAX_PRD_USABLE (SATA_HC_MAX_PRD - 1)
+#define SATA_HC_MAX_XFER_LEN 0x4000000
+
+/*
+* PRDT - Physical Region Descriptor Table
+*/
+typedef struct prdt {
+ prd_entry_t prdt[SATA_HC_MAX_PRD];
+} __attribute__ ((packed)) prdt_t;
+
+/*
+* Command Descriptor
+*/
+#define SATA_HC_CMD_DESC_CFIS_SIZE 32 /* bytes */
+#define SATA_HC_CMD_DESC_SFIS_SIZE 32 /* bytes */
+#define SATA_HC_CMD_DESC_ACMD_SIZE 16 /* bytes */
+#define SATA_HC_CMD_DESC_RES 16 /* bytes */
+
+typedef struct cmd_desc {
+ u8 cfis[SATA_HC_CMD_DESC_CFIS_SIZE];
+ u8 sfis[SATA_HC_CMD_DESC_SFIS_SIZE];
+ u8 acmd[SATA_HC_CMD_DESC_ACMD_SIZE];
+ u8 res[SATA_HC_CMD_DESC_RES];
+ prd_entry_t prdt[SATA_HC_MAX_PRD];
+} __attribute__ ((packed)) cmd_desc_t;
+
+#define SATA_HC_CMD_DESC_SIZE sizeof(struct cmd_desc)
+#define SATA_HC_CMD_DESC_ALIGN 4
+
+/*
+* CFIS - Command FIS, which is H2D register FIS, the struct defination
+* of Non-Queued command is different than NCQ command. see them is sata2.h
+*/
+typedef struct cfis {
+ u8 fis_type;
+ u8 pm_port_c;
+ u8 command;
+ u8 features;
+ u8 lba_low;
+ u8 lba_mid;
+ u8 lba_high;
+ u8 device;
+ u8 lba_low_exp;
+ u8 lba_mid_exp;
+ u8 lba_high_exp;
+ u8 features_exp;
+ u8 sector_count;
+ u8 sector_count_exp;
+ u8 res1;
+ u8 control;
+ u8 res2[4];
+} __attribute__ ((packed)) cfis_t;
+
+/*
+* SFIS - Status FIS, which is D2H register FIS.
+*/
+typedef struct sfis {
+ u8 fis_type;
+ u8 pm_port_i;
+ u8 status;
+ u8 error;
+ u8 lba_low;
+ u8 lba_mid;
+ u8 lba_high;
+ u8 device;
+ u8 lba_low_exp;
+ u8 lba_mid_exp;
+ u8 lba_high_exp;
+ u8 res1;
+ u8 sector_count;
+ u8 sector_count_exp;
+ u8 res2[2];
+ u8 res3[4];
+} __attribute__ ((packed)) sfis_t;
+
+/*
+ * SATA device driver info
+ */
+typedef struct fsl_sata_info {
+ u32 sata_reg_base;
+ u32 flags;
+} fsl_sata_info_t;
+
+#define FLAGS_DMA 0x00000000
+#define FLAGS_FPDMA 0x00000001
+
+/*
+ * SATA device driver struct
+ */
+typedef struct fsl_sata {
+ char name[12];
+ fsl_sata_reg_t *reg_base; /* the base address of controller register */
+ void *cmd_hdr_tbl_offset; /* alloc address of command header table */
+ cmd_hdr_tbl_t *cmd_hdr; /* aligned address of command header table */
+ void *cmd_desc_offset; /* alloc address of command descriptor */
+ cmd_desc_t *cmd_desc; /* aligned address of command descriptor */
+ int link; /* PHY link status */
+ /* device attribute */
+ int ata_device_type; /* device type */
+ int lba48;
+ int queue_depth; /* Max NCQ queue depth */
+ u16 pio;
+ u16 mwdma;
+ u16 udma;
+ int wcache;
+ int flush;
+ int flush_ext;
+} fsl_sata_t;
+
+#define READ_CMD 0
+#define WRITE_CMD 1
+
+#endif /* __FSL_SATA_H__ */
--
1.5.4.rc4
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