upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
655 lines
17 KiB
655 lines
17 KiB
/*
|
|
* Copyright 2003-2004 Red Hat, Inc. All rights reserved.
|
|
* Copyright 2003-2004 Jeff Garzik
|
|
* Copyright (C) 2008 Freescale Semiconductor, Inc.
|
|
* Dave Liu <daveliu@freescale.com>
|
|
* port from libata of linux kernel
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#ifndef __LIBATA_H__
|
|
#define __LIBATA_H__
|
|
|
|
#include <common.h>
|
|
|
|
enum {
|
|
/* various global constants */
|
|
ATA_MAX_DEVICES = 2, /* per bus/port */
|
|
ATA_MAX_PRD = 256, /* we could make these 256/256 */
|
|
ATA_SECT_SIZE = 512,
|
|
ATA_MAX_SECTORS_128 = 128,
|
|
ATA_MAX_SECTORS = 256,
|
|
ATA_MAX_SECTORS_LBA48 = 65535,
|
|
ATA_MAX_SECTORS_TAPE = 65535,
|
|
|
|
ATA_ID_WORDS = 256,
|
|
ATA_ID_SERNO = 10,
|
|
ATA_ID_FW_REV = 23,
|
|
ATA_ID_PROD = 27,
|
|
ATA_ID_OLD_PIO_MODES = 51,
|
|
ATA_ID_FIELD_VALID = 53,
|
|
ATA_ID_LBA_SECTORS = 60,
|
|
ATA_ID_MWDMA_MODES = 63,
|
|
ATA_ID_PIO_MODES = 64,
|
|
ATA_ID_EIDE_DMA_MIN = 65,
|
|
ATA_ID_EIDE_PIO = 67,
|
|
ATA_ID_EIDE_PIO_IORDY = 68,
|
|
ATA_ID_PIO4 = (1 << 1),
|
|
ATA_ID_QUEUE_DEPTH = 75,
|
|
ATA_ID_SATA_CAP = 76,
|
|
ATA_ID_SATA_FEATURES = 78,
|
|
ATA_ID_SATA_FEATURES_EN = 79,
|
|
ATA_ID_MAJOR_VER = 80,
|
|
ATA_ID_MINOR_VER = 81,
|
|
ATA_ID_UDMA_MODES = 88,
|
|
ATA_ID_LBA48_SECTORS = 100,
|
|
|
|
ATA_ID_SERNO_LEN = 20,
|
|
ATA_ID_FW_REV_LEN = 8,
|
|
ATA_ID_PROD_LEN = 40,
|
|
|
|
ATA_PCI_CTL_OFS = 2,
|
|
|
|
ATA_PIO0 = (1 << 0),
|
|
ATA_PIO1 = ATA_PIO0 | (1 << 1),
|
|
ATA_PIO2 = ATA_PIO1 | (1 << 2),
|
|
ATA_PIO3 = ATA_PIO2 | (1 << 3),
|
|
ATA_PIO4 = ATA_PIO3 | (1 << 4),
|
|
ATA_PIO5 = ATA_PIO4 | (1 << 5),
|
|
ATA_PIO6 = ATA_PIO5 | (1 << 6),
|
|
|
|
ATA_SWDMA0 = (1 << 0),
|
|
ATA_SWDMA1 = ATA_SWDMA0 | (1 << 1),
|
|
ATA_SWDMA2 = ATA_SWDMA1 | (1 << 2),
|
|
|
|
ATA_SWDMA2_ONLY = (1 << 2),
|
|
|
|
ATA_MWDMA0 = (1 << 0),
|
|
ATA_MWDMA1 = ATA_MWDMA0 | (1 << 1),
|
|
ATA_MWDMA2 = ATA_MWDMA1 | (1 << 2),
|
|
|
|
ATA_MWDMA12_ONLY = (1 << 1) | (1 << 2),
|
|
ATA_MWDMA2_ONLY = (1 << 2),
|
|
|
|
ATA_UDMA0 = (1 << 0),
|
|
ATA_UDMA1 = ATA_UDMA0 | (1 << 1),
|
|
ATA_UDMA2 = ATA_UDMA1 | (1 << 2),
|
|
ATA_UDMA3 = ATA_UDMA2 | (1 << 3),
|
|
ATA_UDMA4 = ATA_UDMA3 | (1 << 4),
|
|
ATA_UDMA5 = ATA_UDMA4 | (1 << 5),
|
|
ATA_UDMA6 = ATA_UDMA5 | (1 << 6),
|
|
ATA_UDMA7 = ATA_UDMA6 | (1 << 7),
|
|
/* ATA_UDMA7 is just for completeness... doesn't exist (yet?). */
|
|
|
|
ATA_UDMA_MASK_40C = ATA_UDMA2, /* udma0-2 */
|
|
|
|
/* DMA-related */
|
|
ATA_PRD_SZ = 8,
|
|
ATA_PRD_TBL_SZ = (ATA_MAX_PRD * ATA_PRD_SZ),
|
|
ATA_PRD_EOT = (1 << 31), /* end-of-table flag */
|
|
|
|
ATA_DMA_TABLE_OFS = 4,
|
|
ATA_DMA_STATUS = 2,
|
|
ATA_DMA_CMD = 0,
|
|
ATA_DMA_WR = (1 << 3),
|
|
ATA_DMA_START = (1 << 0),
|
|
ATA_DMA_INTR = (1 << 2),
|
|
ATA_DMA_ERR = (1 << 1),
|
|
ATA_DMA_ACTIVE = (1 << 0),
|
|
|
|
/* bits in ATA command block registers */
|
|
ATA_HOB = (1 << 7), /* LBA48 selector */
|
|
ATA_NIEN = (1 << 1), /* disable-irq flag */
|
|
ATA_LBA = (1 << 6), /* LBA28 selector */
|
|
ATA_DEV1 = (1 << 4), /* Select Device 1 (slave) */
|
|
ATA_DEVICE_OBS = (1 << 7) | (1 << 5), /* obs bits in dev reg */
|
|
ATA_DEVCTL_OBS = (1 << 3), /* obsolete bit in devctl reg */
|
|
ATA_BUSY = (1 << 7), /* BSY status bit */
|
|
ATA_DRDY = (1 << 6), /* device ready */
|
|
ATA_DF = (1 << 5), /* device fault */
|
|
ATA_DRQ = (1 << 3), /* data request i/o */
|
|
ATA_ERR = (1 << 0), /* have an error */
|
|
ATA_SRST = (1 << 2), /* software reset */
|
|
ATA_ICRC = (1 << 7), /* interface CRC error */
|
|
ATA_UNC = (1 << 6), /* uncorrectable media error */
|
|
ATA_IDNF = (1 << 4), /* ID not found */
|
|
ATA_ABORTED = (1 << 2), /* command aborted */
|
|
|
|
/* ATA command block registers */
|
|
ATA_REG_DATA = 0x00,
|
|
ATA_REG_ERR = 0x01,
|
|
ATA_REG_NSECT = 0x02,
|
|
ATA_REG_LBAL = 0x03,
|
|
ATA_REG_LBAM = 0x04,
|
|
ATA_REG_LBAH = 0x05,
|
|
ATA_REG_DEVICE = 0x06,
|
|
ATA_REG_STATUS = 0x07,
|
|
|
|
ATA_REG_FEATURE = ATA_REG_ERR, /* and their aliases */
|
|
ATA_REG_CMD = ATA_REG_STATUS,
|
|
ATA_REG_BYTEL = ATA_REG_LBAM,
|
|
ATA_REG_BYTEH = ATA_REG_LBAH,
|
|
ATA_REG_DEVSEL = ATA_REG_DEVICE,
|
|
ATA_REG_IRQ = ATA_REG_NSECT,
|
|
|
|
/* ATA device commands */
|
|
ATA_CMD_DEV_RESET = 0x08, /* ATAPI device reset */
|
|
ATA_CMD_CHK_POWER = 0xE5, /* check power mode */
|
|
ATA_CMD_STANDBY = 0xE2, /* place in standby power mode */
|
|
ATA_CMD_IDLE = 0xE3, /* place in idle power mode */
|
|
ATA_CMD_EDD = 0x90, /* execute device diagnostic */
|
|
ATA_CMD_FLUSH = 0xE7,
|
|
ATA_CMD_FLUSH_EXT = 0xEA,
|
|
ATA_CMD_ID_ATA = 0xEC,
|
|
ATA_CMD_ID_ATAPI = 0xA1,
|
|
ATA_CMD_READ = 0xC8,
|
|
ATA_CMD_READ_EXT = 0x25,
|
|
ATA_CMD_WRITE = 0xCA,
|
|
ATA_CMD_WRITE_EXT = 0x35,
|
|
ATA_CMD_WRITE_FUA_EXT = 0x3D,
|
|
ATA_CMD_FPDMA_READ = 0x60,
|
|
ATA_CMD_FPDMA_WRITE = 0x61,
|
|
ATA_CMD_PIO_READ = 0x20,
|
|
ATA_CMD_PIO_READ_EXT = 0x24,
|
|
ATA_CMD_PIO_WRITE = 0x30,
|
|
ATA_CMD_PIO_WRITE_EXT = 0x34,
|
|
ATA_CMD_READ_MULTI = 0xC4,
|
|
ATA_CMD_READ_MULTI_EXT = 0x29,
|
|
ATA_CMD_WRITE_MULTI = 0xC5,
|
|
ATA_CMD_WRITE_MULTI_EXT = 0x39,
|
|
ATA_CMD_WRITE_MULTI_FUA_EXT = 0xCE,
|
|
ATA_CMD_SET_FEATURES = 0xEF,
|
|
ATA_CMD_SET_MULTI = 0xC6,
|
|
ATA_CMD_PACKET = 0xA0,
|
|
ATA_CMD_VERIFY = 0x40,
|
|
ATA_CMD_VERIFY_EXT = 0x42,
|
|
ATA_CMD_STANDBYNOW1 = 0xE0,
|
|
ATA_CMD_IDLEIMMEDIATE = 0xE1,
|
|
ATA_CMD_SLEEP = 0xE6,
|
|
ATA_CMD_INIT_DEV_PARAMS = 0x91,
|
|
ATA_CMD_READ_NATIVE_MAX = 0xF8,
|
|
ATA_CMD_READ_NATIVE_MAX_EXT = 0x27,
|
|
ATA_CMD_SET_MAX = 0xF9,
|
|
ATA_CMD_SET_MAX_EXT = 0x37,
|
|
ATA_CMD_READ_LOG_EXT = 0x2f,
|
|
ATA_CMD_PMP_READ = 0xE4,
|
|
ATA_CMD_PMP_WRITE = 0xE8,
|
|
ATA_CMD_CONF_OVERLAY = 0xB1,
|
|
ATA_CMD_SEC_FREEZE_LOCK = 0xF5,
|
|
|
|
/* READ_LOG_EXT pages */
|
|
ATA_LOG_SATA_NCQ = 0x10,
|
|
|
|
/* READ/WRITE LONG (obsolete) */
|
|
ATA_CMD_READ_LONG = 0x22,
|
|
ATA_CMD_READ_LONG_ONCE = 0x23,
|
|
ATA_CMD_WRITE_LONG = 0x32,
|
|
ATA_CMD_WRITE_LONG_ONCE = 0x33,
|
|
|
|
/* SETFEATURES stuff */
|
|
SETFEATURES_XFER = 0x03,
|
|
XFER_UDMA_7 = 0x47,
|
|
XFER_UDMA_6 = 0x46,
|
|
XFER_UDMA_5 = 0x45,
|
|
XFER_UDMA_4 = 0x44,
|
|
XFER_UDMA_3 = 0x43,
|
|
XFER_UDMA_2 = 0x42,
|
|
XFER_UDMA_1 = 0x41,
|
|
XFER_UDMA_0 = 0x40,
|
|
XFER_MW_DMA_4 = 0x24, /* CFA only */
|
|
XFER_MW_DMA_3 = 0x23, /* CFA only */
|
|
XFER_MW_DMA_2 = 0x22,
|
|
XFER_MW_DMA_1 = 0x21,
|
|
XFER_MW_DMA_0 = 0x20,
|
|
XFER_SW_DMA_2 = 0x12,
|
|
XFER_SW_DMA_1 = 0x11,
|
|
XFER_SW_DMA_0 = 0x10,
|
|
XFER_PIO_6 = 0x0E, /* CFA only */
|
|
XFER_PIO_5 = 0x0D, /* CFA only */
|
|
XFER_PIO_4 = 0x0C,
|
|
XFER_PIO_3 = 0x0B,
|
|
XFER_PIO_2 = 0x0A,
|
|
XFER_PIO_1 = 0x09,
|
|
XFER_PIO_0 = 0x08,
|
|
XFER_PIO_SLOW = 0x00,
|
|
|
|
SETFEATURES_WC_ON = 0x02, /* Enable write cache */
|
|
SETFEATURES_WC_OFF = 0x82, /* Disable write cache */
|
|
|
|
SETFEATURES_SPINUP = 0x07, /* Spin-up drive */
|
|
|
|
SETFEATURES_SATA_ENABLE = 0x10, /* Enable use of SATA feature */
|
|
SETFEATURES_SATA_DISABLE = 0x90, /* Disable use of SATA feature */
|
|
|
|
/* SETFEATURE Sector counts for SATA features */
|
|
SATA_AN = 0x05, /* Asynchronous Notification */
|
|
SATA_DIPM = 0x03, /* Device Initiated Power Management */
|
|
|
|
/* feature values for SET_MAX */
|
|
ATA_SET_MAX_ADDR = 0x00,
|
|
ATA_SET_MAX_PASSWD = 0x01,
|
|
ATA_SET_MAX_LOCK = 0x02,
|
|
ATA_SET_MAX_UNLOCK = 0x03,
|
|
ATA_SET_MAX_FREEZE_LOCK = 0x04,
|
|
|
|
/* feature values for DEVICE CONFIGURATION OVERLAY */
|
|
ATA_DCO_RESTORE = 0xC0,
|
|
ATA_DCO_FREEZE_LOCK = 0xC1,
|
|
ATA_DCO_IDENTIFY = 0xC2,
|
|
ATA_DCO_SET = 0xC3,
|
|
|
|
/* ATAPI stuff */
|
|
ATAPI_PKT_DMA = (1 << 0),
|
|
ATAPI_DMADIR = (1 << 2), /* ATAPI data dir:
|
|
0=to device, 1=to host */
|
|
ATAPI_CDB_LEN = 16,
|
|
|
|
/* PMP stuff */
|
|
SATA_PMP_MAX_PORTS = 15,
|
|
SATA_PMP_CTRL_PORT = 15,
|
|
|
|
SATA_PMP_GSCR_DWORDS = 128,
|
|
SATA_PMP_GSCR_PROD_ID = 0,
|
|
SATA_PMP_GSCR_REV = 1,
|
|
SATA_PMP_GSCR_PORT_INFO = 2,
|
|
SATA_PMP_GSCR_ERROR = 32,
|
|
SATA_PMP_GSCR_ERROR_EN = 33,
|
|
SATA_PMP_GSCR_FEAT = 64,
|
|
SATA_PMP_GSCR_FEAT_EN = 96,
|
|
|
|
SATA_PMP_PSCR_STATUS = 0,
|
|
SATA_PMP_PSCR_ERROR = 1,
|
|
SATA_PMP_PSCR_CONTROL = 2,
|
|
|
|
SATA_PMP_FEAT_BIST = (1 << 0),
|
|
SATA_PMP_FEAT_PMREQ = (1 << 1),
|
|
SATA_PMP_FEAT_DYNSSC = (1 << 2),
|
|
SATA_PMP_FEAT_NOTIFY = (1 << 3),
|
|
|
|
/* cable types */
|
|
ATA_CBL_NONE = 0,
|
|
ATA_CBL_PATA40 = 1,
|
|
ATA_CBL_PATA80 = 2,
|
|
ATA_CBL_PATA40_SHORT = 3, /* 40 wire cable to high UDMA spec */
|
|
ATA_CBL_PATA_UNK = 4, /* don't know, maybe 80c? */
|
|
ATA_CBL_PATA_IGN = 5, /* don't know, ignore cable handling */
|
|
ATA_CBL_SATA = 6,
|
|
|
|
/* SATA Status and Control Registers */
|
|
SCR_STATUS = 0,
|
|
SCR_ERROR = 1,
|
|
SCR_CONTROL = 2,
|
|
SCR_ACTIVE = 3,
|
|
SCR_NOTIFICATION = 4,
|
|
|
|
/* SError bits */
|
|
SERR_DATA_RECOVERED = (1 << 0), /* recovered data error */
|
|
SERR_COMM_RECOVERED = (1 << 1), /* recovered comm failure */
|
|
SERR_DATA = (1 << 8), /* unrecovered data error */
|
|
SERR_PERSISTENT = (1 << 9), /* persistent data/comm error */
|
|
SERR_PROTOCOL = (1 << 10), /* protocol violation */
|
|
SERR_INTERNAL = (1 << 11), /* host internal error */
|
|
SERR_PHYRDY_CHG = (1 << 16), /* PHY RDY changed */
|
|
SERR_PHY_INT_ERR = (1 << 17), /* PHY internal error */
|
|
SERR_COMM_WAKE = (1 << 18), /* Comm wake */
|
|
SERR_10B_8B_ERR = (1 << 19), /* 10b to 8b decode error */
|
|
SERR_DISPARITY = (1 << 20), /* Disparity */
|
|
SERR_CRC = (1 << 21), /* CRC error */
|
|
SERR_HANDSHAKE = (1 << 22), /* Handshake error */
|
|
SERR_LINK_SEQ_ERR = (1 << 23), /* Link sequence error */
|
|
SERR_TRANS_ST_ERROR = (1 << 24), /* Transport state trans. error */
|
|
SERR_UNRECOG_FIS = (1 << 25), /* Unrecognized FIS */
|
|
SERR_DEV_XCHG = (1 << 26), /* device exchanged */
|
|
|
|
/* struct ata_taskfile flags */
|
|
ATA_TFLAG_LBA48 = (1 << 0), /* enable 48-bit LBA and "HOB" */
|
|
ATA_TFLAG_ISADDR = (1 << 1), /* enable r/w to nsect/lba regs */
|
|
ATA_TFLAG_DEVICE = (1 << 2), /* enable r/w to device reg */
|
|
ATA_TFLAG_WRITE = (1 << 3), /* data dir: host->dev==1 (write) */
|
|
ATA_TFLAG_LBA = (1 << 4), /* enable LBA */
|
|
ATA_TFLAG_FUA = (1 << 5), /* enable FUA */
|
|
ATA_TFLAG_POLLING = (1 << 6), /* set nIEN to 1 and use polling */
|
|
|
|
/* protocol flags */
|
|
ATA_PROT_FLAG_PIO = (1 << 0), /* is PIO */
|
|
ATA_PROT_FLAG_DMA = (1 << 1), /* is DMA */
|
|
ATA_PROT_FLAG_DATA = ATA_PROT_FLAG_PIO | ATA_PROT_FLAG_DMA,
|
|
ATA_PROT_FLAG_NCQ = (1 << 2), /* is NCQ */
|
|
ATA_PROT_FLAG_ATAPI = (1 << 3), /* is ATAPI */
|
|
};
|
|
|
|
enum ata_tf_protocols {
|
|
/* ATA taskfile protocols */
|
|
ATA_PROT_UNKNOWN, /* unknown/invalid */
|
|
ATA_PROT_NODATA, /* no data */
|
|
ATA_PROT_PIO, /* PIO data xfer */
|
|
ATA_PROT_DMA, /* DMA */
|
|
ATA_PROT_NCQ, /* NCQ */
|
|
ATAPI_PROT_NODATA, /* packet command, no data */
|
|
ATAPI_PROT_PIO, /* packet command, PIO data xfer*/
|
|
ATAPI_PROT_DMA, /* packet command with special DMA sauce */
|
|
};
|
|
|
|
enum ata_ioctls {
|
|
ATA_IOC_GET_IO32 = 0x309,
|
|
ATA_IOC_SET_IO32 = 0x324,
|
|
};
|
|
|
|
enum ata_dev_typed {
|
|
ATA_DEV_ATA, /* ATA device */
|
|
ATA_DEV_ATAPI, /* ATAPI device */
|
|
ATA_DEV_PMP, /* Port Multiplier Port */
|
|
ATA_DEV_UNKNOWN, /* unknown */
|
|
};
|
|
|
|
struct ata_taskfile {
|
|
unsigned long flags; /* ATA_TFLAG_xxx */
|
|
u8 protocol; /* ATA_PROT_xxx */
|
|
|
|
u8 ctl; /* control reg */
|
|
|
|
u8 hob_feature; /* additional data */
|
|
u8 hob_nsect; /* to support LBA48 */
|
|
u8 hob_lbal;
|
|
u8 hob_lbam;
|
|
u8 hob_lbah;
|
|
|
|
u8 feature;
|
|
u8 nsect;
|
|
u8 lbal;
|
|
u8 lbam;
|
|
u8 lbah;
|
|
|
|
u8 device;
|
|
|
|
u8 command; /* IO operation */
|
|
};
|
|
|
|
/*
|
|
* protocol tests
|
|
*/
|
|
static inline unsigned int ata_prot_flags(u8 prot)
|
|
{
|
|
switch (prot) {
|
|
case ATA_PROT_NODATA:
|
|
return 0;
|
|
case ATA_PROT_PIO:
|
|
return ATA_PROT_FLAG_PIO;
|
|
case ATA_PROT_DMA:
|
|
return ATA_PROT_FLAG_DMA;
|
|
case ATA_PROT_NCQ:
|
|
return ATA_PROT_FLAG_DMA | ATA_PROT_FLAG_NCQ;
|
|
case ATAPI_PROT_NODATA:
|
|
return ATA_PROT_FLAG_ATAPI;
|
|
case ATAPI_PROT_PIO:
|
|
return ATA_PROT_FLAG_ATAPI | ATA_PROT_FLAG_PIO;
|
|
case ATAPI_PROT_DMA:
|
|
return ATA_PROT_FLAG_ATAPI | ATA_PROT_FLAG_DMA;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static inline int ata_is_atapi(u8 prot)
|
|
{
|
|
return ata_prot_flags(prot) & ATA_PROT_FLAG_ATAPI;
|
|
}
|
|
|
|
static inline int ata_is_nodata(u8 prot)
|
|
{
|
|
return !(ata_prot_flags(prot) & ATA_PROT_FLAG_DATA);
|
|
}
|
|
|
|
static inline int ata_is_pio(u8 prot)
|
|
{
|
|
return ata_prot_flags(prot) & ATA_PROT_FLAG_PIO;
|
|
}
|
|
|
|
static inline int ata_is_dma(u8 prot)
|
|
{
|
|
return ata_prot_flags(prot) & ATA_PROT_FLAG_DMA;
|
|
}
|
|
|
|
static inline int ata_is_ncq(u8 prot)
|
|
{
|
|
return ata_prot_flags(prot) & ATA_PROT_FLAG_NCQ;
|
|
}
|
|
|
|
static inline int ata_is_data(u8 prot)
|
|
{
|
|
return ata_prot_flags(prot) & ATA_PROT_FLAG_DATA;
|
|
}
|
|
|
|
/*
|
|
* id tests
|
|
*/
|
|
#define ata_id_is_ata(id) (((id)[0] & (1 << 15)) == 0)
|
|
#define ata_id_has_lba(id) ((id)[49] & (1 << 9))
|
|
#define ata_id_has_dma(id) ((id)[49] & (1 << 8))
|
|
#define ata_id_has_ncq(id) ((id)[76] & (1 << 8))
|
|
#define ata_id_queue_depth(id) (((id)[75] & 0x1f) + 1)
|
|
#define ata_id_removeable(id) ((id)[0] & (1 << 7))
|
|
#define ata_id_iordy_disable(id) ((id)[49] & (1 << 10))
|
|
#define ata_id_has_iordy(id) ((id)[49] & (1 << 11))
|
|
|
|
#define ata_id_u32(id,n) \
|
|
(((u32) (id)[(n) + 1] << 16) | ((u32) (id)[(n)]))
|
|
#define ata_id_u64(id,n) \
|
|
( ((u64) (id)[(n) + 3] << 48) | \
|
|
((u64) (id)[(n) + 2] << 32) | \
|
|
((u64) (id)[(n) + 1] << 16) | \
|
|
((u64) (id)[(n) + 0]) )
|
|
|
|
#define ata_id_cdb_intr(id) (((id)[0] & 0x60) == 0x20)
|
|
|
|
static inline int ata_id_has_fua(const u16 *id)
|
|
{
|
|
if ((id[84] & 0xC000) != 0x4000)
|
|
return 0;
|
|
return id[84] & (1 << 6);
|
|
}
|
|
|
|
static inline int ata_id_has_flush(const u16 *id)
|
|
{
|
|
if ((id[83] & 0xC000) != 0x4000)
|
|
return 0;
|
|
return id[83] & (1 << 12);
|
|
}
|
|
|
|
static inline int ata_id_has_flush_ext(const u16 *id)
|
|
{
|
|
if ((id[83] & 0xC000) != 0x4000)
|
|
return 0;
|
|
return id[83] & (1 << 13);
|
|
}
|
|
|
|
static inline int ata_id_has_lba48(const u16 *id)
|
|
{
|
|
if ((id[83] & 0xC000) != 0x4000)
|
|
return 0;
|
|
if (!ata_id_u64(id, 100))
|
|
return 0;
|
|
return id[83] & (1 << 10);
|
|
}
|
|
|
|
static inline int ata_id_hpa_enabled(const u16 *id)
|
|
{
|
|
/* Yes children, word 83 valid bits cover word 82 data */
|
|
if ((id[83] & 0xC000) != 0x4000)
|
|
return 0;
|
|
/* And 87 covers 85-87 */
|
|
if ((id[87] & 0xC000) != 0x4000)
|
|
return 0;
|
|
/* Check command sets enabled as well as supported */
|
|
if ((id[85] & ( 1 << 10)) == 0)
|
|
return 0;
|
|
return id[82] & (1 << 10);
|
|
}
|
|
|
|
static inline int ata_id_has_wcache(const u16 *id)
|
|
{
|
|
/* Yes children, word 83 valid bits cover word 82 data */
|
|
if ((id[83] & 0xC000) != 0x4000)
|
|
return 0;
|
|
return id[82] & (1 << 5);
|
|
}
|
|
|
|
static inline int ata_id_has_pm(const u16 *id)
|
|
{
|
|
if ((id[83] & 0xC000) != 0x4000)
|
|
return 0;
|
|
return id[82] & (1 << 3);
|
|
}
|
|
|
|
static inline int ata_id_rahead_enabled(const u16 *id)
|
|
{
|
|
if ((id[87] & 0xC000) != 0x4000)
|
|
return 0;
|
|
return id[85] & (1 << 6);
|
|
}
|
|
|
|
static inline int ata_id_wcache_enabled(const u16 *id)
|
|
{
|
|
if ((id[87] & 0xC000) != 0x4000)
|
|
return 0;
|
|
return id[85] & (1 << 5);
|
|
}
|
|
|
|
static inline unsigned int ata_id_major_version(const u16 *id)
|
|
{
|
|
unsigned int mver;
|
|
|
|
if (id[ATA_ID_MAJOR_VER] == 0xFFFF)
|
|
return 0;
|
|
|
|
for (mver = 14; mver >= 1; mver--)
|
|
if (id[ATA_ID_MAJOR_VER] & (1 << mver))
|
|
break;
|
|
return mver;
|
|
}
|
|
|
|
static inline int ata_id_is_sata(const u16 *id)
|
|
{
|
|
return ata_id_major_version(id) >= 5 && id[93] == 0;
|
|
}
|
|
|
|
static inline int ata_id_has_tpm(const u16 *id)
|
|
{
|
|
/* The TPM bits are only valid on ATA8 */
|
|
if (ata_id_major_version(id) < 8)
|
|
return 0;
|
|
if ((id[48] & 0xC000) != 0x4000)
|
|
return 0;
|
|
return id[48] & (1 << 0);
|
|
}
|
|
|
|
static inline int ata_id_has_dword_io(const u16 *id)
|
|
{
|
|
/* ATA 8 reuses this flag for "trusted" computing */
|
|
if (ata_id_major_version(id) > 7)
|
|
return 0;
|
|
if (id[48] & (1 << 0))
|
|
return 1;
|
|
return 0;
|
|
}
|
|
|
|
static inline int ata_id_current_chs_valid(const u16 *id)
|
|
{
|
|
/* For ATA-1 devices, if the INITIALIZE DEVICE PARAMETERS command
|
|
has not been issued to the device then the values of
|
|
id[54] to id[56] are vendor specific. */
|
|
return (id[53] & 0x01) && /* Current translation valid */
|
|
id[54] && /* cylinders in current translation */
|
|
id[55] && /* heads in current translation */
|
|
id[55] <= 16 &&
|
|
id[56]; /* sectors in current translation */
|
|
}
|
|
|
|
static inline int ata_id_is_cfa(const u16 *id)
|
|
{
|
|
u16 v = id[0];
|
|
if (v == 0x848A) /* Standard CF */
|
|
return 1;
|
|
/* Could be CF hiding as standard ATA */
|
|
if (ata_id_major_version(id) >= 3 && id[82] != 0xFFFF &&
|
|
(id[82] & ( 1 << 2)))
|
|
return 1;
|
|
return 0;
|
|
}
|
|
|
|
static inline int ata_drive_40wire(const u16 *dev_id)
|
|
{
|
|
if (ata_id_is_sata(dev_id))
|
|
return 0; /* SATA */
|
|
if ((dev_id[93] & 0xE000) == 0x6000)
|
|
return 0; /* 80 wire */
|
|
return 1;
|
|
}
|
|
|
|
static inline int ata_drive_40wire_relaxed(const u16 *dev_id)
|
|
{
|
|
if ((dev_id[93] & 0x2000) == 0x2000)
|
|
return 0; /* 80 wire */
|
|
return 1;
|
|
}
|
|
|
|
static inline int atapi_cdb_len(const u16 *dev_id)
|
|
{
|
|
u16 tmp = dev_id[0] & 0x3;
|
|
switch (tmp) {
|
|
case 0: return 12;
|
|
case 1: return 16;
|
|
default: return -1;
|
|
}
|
|
}
|
|
|
|
static inline int atapi_command_packet_set(const u16 *dev_id)
|
|
{
|
|
return (dev_id[0] >> 8) & 0x1f;
|
|
}
|
|
|
|
static inline int atapi_id_dmadir(const u16 *dev_id)
|
|
{
|
|
return ata_id_major_version(dev_id) >= 7 && (dev_id[62] & 0x8000);
|
|
}
|
|
|
|
static inline int is_multi_taskfile(struct ata_taskfile *tf)
|
|
{
|
|
return (tf->command == ATA_CMD_READ_MULTI) ||
|
|
(tf->command == ATA_CMD_WRITE_MULTI) ||
|
|
(tf->command == ATA_CMD_READ_MULTI_EXT) ||
|
|
(tf->command == ATA_CMD_WRITE_MULTI_EXT) ||
|
|
(tf->command == ATA_CMD_WRITE_MULTI_FUA_EXT);
|
|
}
|
|
|
|
static inline int ata_ok(u8 status)
|
|
{
|
|
return ((status & (ATA_BUSY | ATA_DRDY | ATA_DF | ATA_DRQ | ATA_ERR))
|
|
== ATA_DRDY);
|
|
}
|
|
|
|
static inline int lba_28_ok(u64 block, u32 n_block)
|
|
{
|
|
/* check the ending block number */
|
|
return ((block + n_block - 1) < ((u64)1 << 28)) && (n_block <= 256);
|
|
}
|
|
|
|
static inline int lba_48_ok(u64 block, u32 n_block)
|
|
{
|
|
/* check the ending block number */
|
|
return ((block + n_block - 1) < ((u64)1 << 48)) && (n_block <= 65536);
|
|
}
|
|
|
|
#define sata_pmp_gscr_vendor(gscr) ((gscr)[SATA_PMP_GSCR_PROD_ID] & 0xffff)
|
|
#define sata_pmp_gscr_devid(gscr) ((gscr)[SATA_PMP_GSCR_PROD_ID] >> 16)
|
|
#define sata_pmp_gscr_rev(gscr) (((gscr)[SATA_PMP_GSCR_REV] >> 8) & 0xff)
|
|
#define sata_pmp_gscr_ports(gscr) ((gscr)[SATA_PMP_GSCR_PORT_INFO] & 0xf)
|
|
|
|
u64 ata_id_n_sectors(u16 *id);
|
|
u32 ata_dev_classify(u32 sig);
|
|
void ata_id_c_string(const u16 *id, unsigned char *s,
|
|
unsigned int ofs, unsigned int len);
|
|
void ata_dump_id(u16 *id);
|
|
void ata_swap_buf_le16(u16 *buf, unsigned int buf_words);
|
|
|
|
#endif /* __LIBATA_H__ */
|
|
|