--- /dev/null
+/*
+ * 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
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+/*
+ * 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;
+};
+
+#endif
Code Review / kvmfornfv.git / blobdiff