Add driver for S-ATA-controller on Intel processors with South

[karo-tx-uboot.git] / include / ata.h

diff --git a/include/ata.h b/include/ata.h
index 8584226eb07062d1db816f38be5e3bb44fc896d2..d36bdf6cd1c53f41ab4f2ec7d2919f432f859a11 100644 (file)
--- 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)
  */