diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/ide/cris/ide-cris.c | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/drivers/ide/cris/ide-cris.c b/drivers/ide/cris/ide-cris.c index 72ff63ed5f2b..d628141098c2 100644 --- a/drivers/ide/cris/ide-cris.c +++ b/drivers/ide/cris/ide-cris.c @@ -775,6 +775,90 @@ static void __init cris_setup_ports(hw_regs_t *hw, unsigned long base) hw->ack_intr = cris_ide_ack_intr; } +static void cris_tf_load(ide_drive_t *drive, ide_task_t *task) +{ + struct ide_io_ports *io_ports = &drive->hwif->io_ports; + struct ide_taskfile *tf = &task->tf; + u8 HIHI = (task->tf_flags & IDE_TFLAG_LBA48) ? 0xE0 : 0xEF; + + if (task->tf_flags & IDE_TFLAG_FLAGGED) + HIHI = 0xFF; + + ide_set_irq(drive, 1); + + if (task->tf_flags & IDE_TFLAG_OUT_DATA) + cris_ide_outw((tf->hob_data << 8) | tf->data, + io_ports->data_addr); + + if (task->tf_flags & IDE_TFLAG_OUT_HOB_FEATURE) + cris_ide_outb(tf->hob_feature, io_ports->feature_addr); + if (task->tf_flags & IDE_TFLAG_OUT_HOB_NSECT) + cris_ide_outb(tf->hob_nsect, io_ports->nsect_addr); + if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAL) + cris_ide_outb(tf->hob_lbal, io_ports->lbal_addr); + if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAM) + cris_ide_outb(tf->hob_lbam, io_ports->lbam_addr); + if (task->tf_flags & IDE_TFLAG_OUT_HOB_LBAH) + cris_ide_outb(tf->hob_lbah, io_ports->lbah_addr); + + if (task->tf_flags & IDE_TFLAG_OUT_FEATURE) + cris_ide_outb(tf->feature, io_ports->feature_addr); + if (task->tf_flags & IDE_TFLAG_OUT_NSECT) + cris_ide_outb(tf->nsect, io_ports->nsect_addr); + if (task->tf_flags & IDE_TFLAG_OUT_LBAL) + cris_ide_outb(tf->lbal, io_ports->lbal_addr); + if (task->tf_flags & IDE_TFLAG_OUT_LBAM) + cris_ide_outb(tf->lbam, io_ports->lbam_addr); + if (task->tf_flags & IDE_TFLAG_OUT_LBAH) + cris_ide_outb(tf->lbah, io_ports->lbah_addr); + + if (task->tf_flags & IDE_TFLAG_OUT_DEVICE) + cris_ide_outb((tf->device & HIHI) | drive->select.all, + io_ports->device_addr); +} + +static void cris_tf_read(ide_drive_t *drive, ide_task_t *task) +{ + struct ide_io_ports *io_ports = &drive->hwif->io_ports; + struct ide_taskfile *tf = &task->tf; + + if (task->tf_flags & IDE_TFLAG_IN_DATA) { + u16 data = cris_ide_inw(io_ports->data_addr); + + tf->data = data & 0xff; + tf->hob_data = (data >> 8) & 0xff; + } + + /* be sure we're looking at the low order bits */ + cris_ide_outb(drive->ctl & ~0x80, io_ports->ctl_addr); + + if (task->tf_flags & IDE_TFLAG_IN_NSECT) + tf->nsect = cris_ide_inb(io_ports->nsect_addr); + if (task->tf_flags & IDE_TFLAG_IN_LBAL) + tf->lbal = cris_ide_inb(io_ports->lbal_addr); + if (task->tf_flags & IDE_TFLAG_IN_LBAM) + tf->lbam = cris_ide_inb(io_ports->lbam_addr); + if (task->tf_flags & IDE_TFLAG_IN_LBAH) + tf->lbah = cris_ide_inb(io_ports->lbah_addr); + if (task->tf_flags & IDE_TFLAG_IN_DEVICE) + tf->device = cris_ide_inb(io_ports->device_addr); + + if (task->tf_flags & IDE_TFLAG_LBA48) { + cris_ide_outb(drive->ctl | 0x80, io_ports->ctl_addr); + + if (task->tf_flags & IDE_TFLAG_IN_HOB_FEATURE) + tf->hob_feature = cris_ide_inb(io_ports->feature_addr); + if (task->tf_flags & IDE_TFLAG_IN_HOB_NSECT) + tf->hob_nsect = cris_ide_inb(io_ports->nsect_addr); + if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAL) + tf->hob_lbal = cris_ide_inb(io_ports->lbal_addr); + if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAM) + tf->hob_lbam = cris_ide_inb(io_ports->lbam_addr); + if (task->tf_flags & IDE_TFLAG_IN_HOB_LBAH) + tf->hob_lbah = cris_ide_inb(io_ports->lbah_addr); + } +} + static const struct ide_port_ops cris_port_ops = { .set_pio_mode = cris_set_pio_mode, .set_dma_mode = cris_set_dma_mode, @@ -812,6 +896,9 @@ static int __init init_e100_ide(void) ide_init_port_data(hwif, hwif->index); ide_init_port_hw(hwif, &hw); + hwif->tf_load = cris_tf_load; + hwif->tf_read = cris_tf_read; + hwif->input_data = cris_input_data; hwif->output_data = cris_output_data; |