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| author | Ben Warren <bwarren@qstreams.com> | 2007-08-13 21:26:03 -0400 |
|---|---|---|
| committer | Ben Warren <bwarren@qstreams.com> | 2007-08-13 21:26:03 -0400 |
| commit | d1bc6c8d5f4a9c7ca9fb2292d5c65f846dcc3995 (patch) | |
| tree | dd0722cee4758fe40f6a5cc75986ebb1a395aac2 /include/ata.h | |
| parent | f539edc076cfe52bff919dd512ba8d7af0e22092 (diff) | |
| parent | 8a92b7c60b40ff79e2cc96e13aeac2a531dde473 (diff) | |
| download | u-boot-imx-d1bc6c8d5f4a9c7ca9fb2292d5c65f846dcc3995.zip u-boot-imx-d1bc6c8d5f4a9c7ca9fb2292d5c65f846dcc3995.tar.gz u-boot-imx-d1bc6c8d5f4a9c7ca9fb2292d5c65f846dcc3995.tar.bz2 | |
Sync'd u-boot-net with mainline
Merge git://www.denx.de/git/u-boot
Conflicts:
drivers/bcm570x.c
drivers/tigon3.c
Diffstat (limited to 'include/ata.h')
| -rw-r--r-- | include/ata.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/include/ata.h b/include/ata.h index 8584226..aa6e90d 100644 --- a/include/ata.h +++ b/include/ata.h @@ -83,6 +83,66 @@ #define ATA_DEVICE(x) ((x & 1)<<4) #define ATA_LBA 0xE0 +enum { + ATA_MAX_DEVICES = 1, /* per bus/port */ + ATA_MAX_PRD = 256, /* we could make these 256/256 */ + ATA_SECT_SIZE = 256, /*256 words per sector */ + + /* 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_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_PCI_CTL_OFS = 0x02, + /* and their aliases */ + ATA_REG_FEATURE = ATA_REG_ERR, + 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, + + /* 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_2 = 0x22, + XFER_MW_DMA_1 = 0x21, + XFER_MW_DMA_0 = 0x20, + XFER_PIO_4 = 0x0C, + XFER_PIO_3 = 0x0B, + XFER_PIO_2 = 0x0A, + XFER_PIO_1 = 0x09, + XFER_PIO_0 = 0x08, + XFER_SW_DMA_2 = 0x12, + XFER_SW_DMA_1 = 0x11, + XFER_SW_DMA_0 = 0x10, + XFER_PIO_SLOW = 0x00 +}; /* * ATA Commands (only mandatory commands listed here) */ |