@ -1,4 +1,6 @@
/*
* 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
@ -25,33 +27,180 @@
# include <common.h>
/* command
*/
enum ata_cmd {
/* non-NCQ command */
ATA_CMD_DEV_RESET = 0x08 , /* ATAPI device reset */
ATA_CMD_FLUSH_CACHE = 0xE7 ,
ATA_CMD_FLUSH_CACHE_EXT = 0xEA ,
ATA_CMD_ID_ATA = 0xEC ,
ATA_CMD_ID_ATAPI = 0xA1 ,
ATA_CMD_READ_DMA = 0xC8 ,
ATA_CMD_READ_DMA_EXT = 0x25 ,
ATA_CMD_WRITE_DMA = 0xCA ,
ATA_CMD_WRITE_DMA_EXT = 0x35 ,
ATA_CMD_PIO_READ = 0x20 ,
ATA_CMD_PIO_READ_EXT = 0x24 ,
ATA_CMD_PIO_WRITE = 0x30 ,
ATA_CMD_PIO_WRITE_EXT = 0x34 ,
ATA_CMD_SET_FEATURES = 0xEF ,
/* NCQ command */
ATA_CMD_READ_FPDMA_QUEUED = 0x60 ,
ATA_CMD_WRITE_FPDMA_QUEUED = 0x61 ,
} ;
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
*/
enum ata_set_features {
/* SETFEATURES stuff */
SETFEATURES_XFER = 0x03 ,
XFER_UDMA_7 = 0x47 ,
@ -62,13 +211,16 @@ enum ata_set_features {
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_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_PIO_6 = 0x0E , /* CFA only */
XFER_PIO_5 = 0x0D , /* CFA only */
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 ,
@ -80,17 +232,122 @@ enum ata_set_features {
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_protocol {
ATA_PROT_UNKNOWN , /* unknown */
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 */
ATA_PROT_ATAPI , /* packet command, PIO data xfer */
ATA_PROT_ATAPI_NODATA , /* packet command, no data */
ATA_PROT_ATAPI_DMA , /* packet command, DMA */
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 {
@ -100,73 +357,94 @@ enum ata_dev_typed {
ATA_DEV_UNKNOWN , /* unknown */
} ;
enum {
ATA_SECT_SIZE = 512 ,
ATA_MAX_SECTORS_128 = 128 ,
ATA_MAX_SECTORS = 256 ,
ATA_MAX_SECTORS_LBA48 = 65535 ,
struct ata_taskfile {
unsigned long flags ; /* ATA_TFLAG_xxx */
u8 protocol ; /* ATA_PROT_xxx */
/* 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_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 */
u8 ctl ; /* control reg */
ATA_ID_WORDS = 256 ,
ATA_ID_SERNO = 10 ,
ATA_ID_FW_REV = 23 ,
ATA_ID_PROD = 27 ,
ATA_ID_FIELD_VALID = 53 ,
ATA_ID_LBA_SECTORS = 60 ,
ATA_ID_MWDMA_MODES = 63 ,
ATA_ID_PIO_MODES = 64 ,
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 ,
u8 hob_feature ; /* additional data */
u8 hob_nsect ; /* to support LBA48 */
u8 hob_lbal ;
u8 hob_lbam ;
u8 hob_lbah ;
ATA_ID_SERNO_LEN = 20 ,
ATA_ID_FW_REV_LEN = 8 ,
ATA_ID_PROD_LEN = 40 ,
u8 feature ;
u8 nsect ;
u8 lbal ;
u8 lbam ;
u8 lbah ;
ATA_PIO3 = ( 1 < < 0 ) ,
ATA_PIO4 = ATA_PIO3 | ( 1 < < 1 ) ,
u8 device ;
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 ) ,
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_wcache_enabled(id) ((id)[85] & (1 << 5))
# define ata_id_has_fua(id) ((id)[84] & (1 << 6))
# define ata_id_has_flush(id) ((id)[83] & (1 << 12))
# define ata_id_has_flush_ext(id) ((id)[83] & (1 << 13))
# define ata_id_has_lba48(id) ((id)[83] & (1 << 10))
# define ata_id_has_wcache(id) ((id)[82] & (1 << 5))
# 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 ) ] ) )
@ -176,6 +454,80 @@ enum {
( ( 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 )
{
@ -195,6 +547,118 @@ 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 ,