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u-boot/drivers/block/sata_dwc.h
Kazuaki Ichinohe e405afab1d Canyonlands SATA harddisk driver 
This patch adds a SATA harddisk driver for the canyonlands.
This patch is kernel driver's porting.
This patch corresponded to not cmd_scsi but cmd_sata.
This patch divided an unused member with ifndef __U_BOOT__ in the structure.

[environment variable, boot script]
setenv bootargs root=/dev/sda7 rw
setenv bootargs ${bootargs} console=ttyS0,115200
ext2load sata 0:2 0x400000 /canyonlands/uImage
ext2load sata 0:2 0x800000 /canyonlands/canyonlands.dtb
fdt addr 0x800000 0x4000
bootm 0x400000 - 0x800000

If you drive SATA-2 disk on Canyonlands, you must change parts from
PI2PCIE212 to PI2PCIE2212 on U25. We confirmed to boot by using
following disks:

1.Vendor: Fujitsu	 Type: MHW2040BS
2.Vendor: Fujitsu	 Type: MHW2060BK
3.Vendor: HAGIWARA SYS-COM:HFD25S-032GT
4.Vendor: WesternDigital Type: WD3200BJKT (CONFIG_LBA48 required)
5.Vendor: WesternDigital Type: WD3200BEVT (CONFIG_LBA48 required)
6.Vendor: Hitachi	 Type: HTS543232L9A300 (CONFIG_LBA48 required)
7.Vendor: Seagate	 Type: ST31000333AS (CONFIG_LBA48 required)
8.Vendor: Transcend	 Type: TS32GSSD25S-M
9.Vendor: MTRON		 Type: MSD-SATA1525-016

Signed-off-by: Kazuaki Ichinohe <kazuichi at fsi.co.jp>
2009-07-19 11:24:09 +02:00

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/*
* sata_dwc.h
*
* Synopsys DesignWare Cores (DWC) SATA host driver
*
* Author: Mark Miesfeld <mmiesfeld@amcc.com>
*
* Ported from 2.6.19.2 to 2.6.25/26 by Stefan Roese <sr@denx.de>
* Copyright 2008 DENX Software Engineering
*
* Based on versions provided by AMCC and Synopsys which are:
* Copyright 2006 Applied Micro Circuits Corporation
* COPYRIGHT (C) 2005 SYNOPSYS, INC. ALL RIGHTS RESERVED
*
* 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.
*
*/
/*
* SATA support based on the chip canyonlands.
*
* 04-17-2009
* The local version of this driver for the canyonlands board
* does not use interrupts but polls the chip instead.
*/
#ifndef _SATA_DWC_H_
#define _SATA_DWC_H_
#define __U_BOOT__
#define HZ 100
#define READ 0
#define WRITE 1
enum {
ATA_READID_POSTRESET = (1 << 0),
ATA_DNXFER_PIO = 0,
ATA_DNXFER_DMA = 1,
ATA_DNXFER_40C = 2,
ATA_DNXFER_FORCE_PIO = 3,
ATA_DNXFER_FORCE_PIO0 = 4,
ATA_DNXFER_QUIET = (1 << 31),
};
enum hsm_task_states {
HSM_ST_IDLE,
HSM_ST_FIRST,
HSM_ST,
HSM_ST_LAST,
HSM_ST_ERR,
};
#define ATA_SHORT_PAUSE ((HZ >> 6) + 1)
struct ata_queued_cmd {
struct ata_port *ap;
struct ata_device *dev;
struct ata_taskfile tf;
u8 cdb[ATAPI_CDB_LEN];
unsigned long flags;
unsigned int tag;
unsigned int n_elem;
int dma_dir;
unsigned int sect_size;
unsigned int nbytes;
unsigned int extrabytes;
unsigned int curbytes;
unsigned int err_mask;
struct ata_taskfile result_tf;
void *private_data;
#ifndef __U_BOOT__
void *lldd_task;
#endif
unsigned char *pdata;
};
typedef void (*ata_qc_cb_t) (struct ata_queued_cmd *qc);
#define ATA_TAG_POISON 0xfafbfcfdU
enum {
LIBATA_MAX_PRD = ATA_MAX_PRD / 2,
LIBATA_DUMB_MAX_PRD = ATA_MAX_PRD / 4,
ATA_MAX_PORTS = 8,
ATA_DEF_QUEUE = 1,
ATA_MAX_QUEUE = 32,
ATA_TAG_INTERNAL = ATA_MAX_QUEUE - 1,
ATA_MAX_BUS = 2,
ATA_DEF_BUSY_WAIT = 10000,
ATAPI_MAX_DRAIN = 16 << 10,
ATA_SHT_EMULATED = 1,
ATA_SHT_CMD_PER_LUN = 1,
ATA_SHT_THIS_ID = -1,
ATA_SHT_USE_CLUSTERING = 1,
ATA_DFLAG_LBA = (1 << 0),
ATA_DFLAG_LBA48 = (1 << 1),
ATA_DFLAG_CDB_INTR = (1 << 2),
ATA_DFLAG_NCQ = (1 << 3),
ATA_DFLAG_FLUSH_EXT = (1 << 4),
ATA_DFLAG_ACPI_PENDING = (1 << 5),
ATA_DFLAG_ACPI_FAILED = (1 << 6),
ATA_DFLAG_AN = (1 << 7),
ATA_DFLAG_HIPM = (1 << 8),
ATA_DFLAG_DIPM = (1 << 9),
ATA_DFLAG_DMADIR = (1 << 10),
ATA_DFLAG_CFG_MASK = (1 << 12) - 1,
ATA_DFLAG_PIO = (1 << 12),
ATA_DFLAG_NCQ_OFF = (1 << 13),
ATA_DFLAG_SPUNDOWN = (1 << 14),
ATA_DFLAG_SLEEPING = (1 << 15),
ATA_DFLAG_DUBIOUS_XFER = (1 << 16),
ATA_DFLAG_INIT_MASK = (1 << 24) - 1,
ATA_DFLAG_DETACH = (1 << 24),
ATA_DFLAG_DETACHED = (1 << 25),
ATA_LFLAG_HRST_TO_RESUME = (1 << 0),
ATA_LFLAG_SKIP_D2H_BSY = (1 << 1),
ATA_LFLAG_NO_SRST = (1 << 2),
ATA_LFLAG_ASSUME_ATA = (1 << 3),
ATA_LFLAG_ASSUME_SEMB = (1 << 4),
ATA_LFLAG_ASSUME_CLASS = ATA_LFLAG_ASSUME_ATA | ATA_LFLAG_ASSUME_SEMB,
ATA_LFLAG_NO_RETRY = (1 << 5),
ATA_LFLAG_DISABLED = (1 << 6),
ATA_FLAG_SLAVE_POSS = (1 << 0),
ATA_FLAG_SATA = (1 << 1),
ATA_FLAG_NO_LEGACY = (1 << 2),
ATA_FLAG_MMIO = (1 << 3),
ATA_FLAG_SRST = (1 << 4),
ATA_FLAG_SATA_RESET = (1 << 5),
ATA_FLAG_NO_ATAPI = (1 << 6),
ATA_FLAG_PIO_DMA = (1 << 7),
ATA_FLAG_PIO_LBA48 = (1 << 8),
ATA_FLAG_PIO_POLLING = (1 << 9),
ATA_FLAG_NCQ = (1 << 10),
ATA_FLAG_DEBUGMSG = (1 << 13),
ATA_FLAG_IGN_SIMPLEX = (1 << 15),
ATA_FLAG_NO_IORDY = (1 << 16),
ATA_FLAG_ACPI_SATA = (1 << 17),
ATA_FLAG_AN = (1 << 18),
ATA_FLAG_PMP = (1 << 19),
ATA_FLAG_IPM = (1 << 20),
ATA_FLAG_DISABLED = (1 << 23),
ATA_PFLAG_EH_PENDING = (1 << 0),
ATA_PFLAG_EH_IN_PROGRESS = (1 << 1),
ATA_PFLAG_FROZEN = (1 << 2),
ATA_PFLAG_RECOVERED = (1 << 3),
ATA_PFLAG_LOADING = (1 << 4),
ATA_PFLAG_UNLOADING = (1 << 5),
ATA_PFLAG_SCSI_HOTPLUG = (1 << 6),
ATA_PFLAG_INITIALIZING = (1 << 7),
ATA_PFLAG_RESETTING = (1 << 8),
ATA_PFLAG_SUSPENDED = (1 << 17),
ATA_PFLAG_PM_PENDING = (1 << 18),
ATA_QCFLAG_ACTIVE = (1 << 0),
ATA_QCFLAG_DMAMAP = (1 << 1),
ATA_QCFLAG_IO = (1 << 3),
ATA_QCFLAG_RESULT_TF = (1 << 4),
ATA_QCFLAG_CLEAR_EXCL = (1 << 5),
ATA_QCFLAG_QUIET = (1 << 6),
ATA_QCFLAG_FAILED = (1 << 16),
ATA_QCFLAG_SENSE_VALID = (1 << 17),
ATA_QCFLAG_EH_SCHEDULED = (1 << 18),
ATA_HOST_SIMPLEX = (1 << 0),
ATA_HOST_STARTED = (1 << 1),
ATA_TMOUT_BOOT = 30 * 100,
ATA_TMOUT_BOOT_QUICK = 7 * 100,
ATA_TMOUT_INTERNAL = 30 * 100,
ATA_TMOUT_INTERNAL_QUICK = 5 * 100,
/* FIXME: GoVault needs 2s but we can't afford that without
* parallel probing. 800ms is enough for iVDR disk
* HHD424020F7SV00. Increase to 2secs when parallel probing
* is in place.
*/
ATA_TMOUT_FF_WAIT = 4 * 100 / 5,
BUS_UNKNOWN = 0,
BUS_DMA = 1,
BUS_IDLE = 2,
BUS_NOINTR = 3,
BUS_NODATA = 4,
BUS_TIMER = 5,
BUS_PIO = 6,
BUS_EDD = 7,
BUS_IDENTIFY = 8,
BUS_PACKET = 9,
PORT_UNKNOWN = 0,
PORT_ENABLED = 1,
PORT_DISABLED = 2,
/* encoding various smaller bitmaps into a single
* unsigned long bitmap
*/
ATA_NR_PIO_MODES = 7,
ATA_NR_MWDMA_MODES = 5,
ATA_NR_UDMA_MODES = 8,
ATA_SHIFT_PIO = 0,
ATA_SHIFT_MWDMA = ATA_SHIFT_PIO + ATA_NR_PIO_MODES,
ATA_SHIFT_UDMA = ATA_SHIFT_MWDMA + ATA_NR_MWDMA_MODES,
ATA_DMA_PAD_SZ = 4,
ATA_ERING_SIZE = 32,
ATA_DEFER_LINK = 1,
ATA_DEFER_PORT = 2,
ATA_EH_DESC_LEN = 80,
ATA_EH_REVALIDATE = (1 << 0),
ATA_EH_SOFTRESET = (1 << 1),
ATA_EH_HARDRESET = (1 << 2),
ATA_EH_ENABLE_LINK = (1 << 3),
ATA_EH_LPM = (1 << 4),
ATA_EH_RESET_MASK = ATA_EH_SOFTRESET | ATA_EH_HARDRESET,
ATA_EH_PERDEV_MASK = ATA_EH_REVALIDATE,
ATA_EHI_HOTPLUGGED = (1 << 0),
ATA_EHI_RESUME_LINK = (1 << 1),
ATA_EHI_NO_AUTOPSY = (1 << 2),
ATA_EHI_QUIET = (1 << 3),
ATA_EHI_DID_SOFTRESET = (1 << 16),
ATA_EHI_DID_HARDRESET = (1 << 17),
ATA_EHI_PRINTINFO = (1 << 18),
ATA_EHI_SETMODE = (1 << 19),
ATA_EHI_POST_SETMODE = (1 << 20),
ATA_EHI_DID_RESET = ATA_EHI_DID_SOFTRESET | ATA_EHI_DID_HARDRESET,
ATA_EHI_RESET_MODIFIER_MASK = ATA_EHI_RESUME_LINK,
ATA_EH_MAX_TRIES = 5,
ATA_PROBE_MAX_TRIES = 3,
ATA_EH_DEV_TRIES = 3,
ATA_EH_PMP_TRIES = 5,
ATA_EH_PMP_LINK_TRIES = 3,
SATA_PMP_SCR_TIMEOUT = 250,
/* Horkage types. May be set by libata or controller on drives
(some horkage may be drive/controller pair dependant */
ATA_HORKAGE_DIAGNOSTIC = (1 << 0),
ATA_HORKAGE_NODMA = (1 << 1),
ATA_HORKAGE_NONCQ = (1 << 2),
ATA_HORKAGE_MAX_SEC_128 = (1 << 3),
ATA_HORKAGE_BROKEN_HPA = (1 << 4),
ATA_HORKAGE_SKIP_PM = (1 << 5),
ATA_HORKAGE_HPA_SIZE = (1 << 6),
ATA_HORKAGE_IPM = (1 << 7),
ATA_HORKAGE_IVB = (1 << 8),
ATA_HORKAGE_STUCK_ERR = (1 << 9),
ATA_DMA_MASK_ATA = (1 << 0),
ATA_DMA_MASK_ATAPI = (1 << 1),
ATA_DMA_MASK_CFA = (1 << 2),
ATAPI_READ = 0,
ATAPI_WRITE = 1,
ATAPI_READ_CD = 2,
ATAPI_PASS_THRU = 3,
ATAPI_MISC = 4,
};
enum ata_completion_errors {
AC_ERR_DEV = (1 << 0),
AC_ERR_HSM = (1 << 1),
AC_ERR_TIMEOUT = (1 << 2),
AC_ERR_MEDIA = (1 << 3),
AC_ERR_ATA_BUS = (1 << 4),
AC_ERR_HOST_BUS = (1 << 5),
AC_ERR_SYSTEM = (1 << 6),
AC_ERR_INVALID = (1 << 7),
AC_ERR_OTHER = (1 << 8),
AC_ERR_NODEV_HINT = (1 << 9),
AC_ERR_NCQ = (1 << 10),
};
enum ata_xfer_mask {
ATA_MASK_PIO = ((1LU << ATA_NR_PIO_MODES) - 1) << ATA_SHIFT_PIO,
ATA_MASK_MWDMA = ((1LU << ATA_NR_MWDMA_MODES) - 1) << ATA_SHIFT_MWDMA,
ATA_MASK_UDMA = ((1LU << ATA_NR_UDMA_MODES) - 1) << ATA_SHIFT_UDMA,
};
struct ata_port_info {
#ifndef __U_BOOT__
struct scsi_host_template *sht;
#endif
unsigned long flags;
unsigned long link_flags;
unsigned long pio_mask;
unsigned long mwdma_mask;
unsigned long udma_mask;
#ifndef __U_BOOT__
const struct ata_port_operations *port_ops;
void *private_data;
#endif
};
struct ata_ioports {
void __iomem *cmd_addr;
void __iomem *data_addr;
void __iomem *error_addr;
void __iomem *feature_addr;
void __iomem *nsect_addr;
void __iomem *lbal_addr;
void __iomem *lbam_addr;
void __iomem *lbah_addr;
void __iomem *device_addr;
void __iomem *status_addr;
void __iomem *command_addr;
void __iomem *altstatus_addr;
void __iomem *ctl_addr;
#ifndef __U_BOOT__
void __iomem *bmdma_addr;
#endif
void __iomem *scr_addr;
};
struct ata_host {
#ifndef __U_BOOT__
void __iomem * const *iomap;
void *private_data;
const struct ata_port_operations *ops;
unsigned long flags;
struct ata_port *simplex_claimed;
#endif
unsigned int n_ports;
struct ata_port *ports[0];
};
#ifndef __U_BOOT__
struct ata_port_stats {
unsigned long unhandled_irq;
unsigned long idle_irq;
unsigned long rw_reqbuf;
};
#endif
struct ata_device {
struct ata_link *link;
unsigned int devno;
unsigned long flags;
unsigned int horkage;
#ifndef __U_BOOT__
struct scsi_device *sdev;
#ifdef CONFIG_ATA_ACPI
acpi_handle acpi_handle;
union acpi_object *gtf_cache;
#endif
#endif
u64 n_sectors;
unsigned int class;
union {
u16 id[ATA_ID_WORDS];
u32 gscr[SATA_PMP_GSCR_DWORDS];
};
#ifndef __U_BOOT__
u8 pio_mode;
u8 dma_mode;
u8 xfer_mode;
unsigned int xfer_shift;
#endif
unsigned int multi_count;
unsigned int max_sectors;
unsigned int cdb_len;
#ifndef __U_BOOT__
unsigned long pio_mask;
unsigned long mwdma_mask;
#endif
unsigned long udma_mask;
u16 cylinders;
u16 heads;
u16 sectors;
#ifndef __U_BOOT__
int spdn_cnt;
#endif
};
enum dma_data_direction {
DMA_BIDIRECTIONAL = 0,
DMA_TO_DEVICE = 1,
DMA_FROM_DEVICE = 2,
DMA_NONE = 3,
};
struct ata_link {
struct ata_port *ap;
int pmp;
unsigned int active_tag;
u32 sactive;
unsigned int flags;
unsigned int hw_sata_spd_limit;
#ifndef __U_BOOT__
unsigned int sata_spd_limit;
unsigned int sata_spd;
struct ata_device device[2];
#endif
};
struct ata_port {
unsigned long flags;
unsigned int pflags;
unsigned int print_id;
unsigned int port_no;
struct ata_ioports ioaddr;
u8 ctl;
u8 last_ctl;
unsigned int pio_mask;
unsigned int mwdma_mask;
unsigned int udma_mask;
unsigned int cbl;
struct ata_queued_cmd qcmd[ATA_MAX_QUEUE];
unsigned long qc_allocated;
unsigned int qc_active;
int nr_active_links;
struct ata_link link;
#ifndef __U_BOOT__
int nr_pmp_links;
struct ata_link *pmp_link;
#endif
struct ata_link *excl_link;
int nr_pmp_links;
#ifndef __U_BOOT__
struct ata_port_stats stats;
struct device *dev;
u32 msg_enable;
#endif
struct ata_host *host;
void *port_task_data;
unsigned int hsm_task_state;
void *private_data;
unsigned char *pdata;
};
#ifndef TRUE
#define TRUE 1
#endif
#ifndef FALSE
#define FALSE 0
#endif
#endif
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