Changes between Version 24 and Version 25 of Component/Vci Block Device


Ignore:
Timestamp:
Jan 16, 2014, 10:54:13 PM (11 years ago)
Author:
alain
Comment:

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  • Component/Vci Block Device

    v24 v25  
    3333 * '''BLOCK_DEVICE_OP''' (write only)
    3434Type of operation, writing here initiates the operation.This register goes back to BLOCK_DEVICE_NOOP when operation is finished. The following operations codes are defined:
    35      `BLOCK_DEVICE_NOOP` : No operation
    36      `BLOCK_DEVICE_READ` : Transfer from block device to memory
    37      `BLOCK_DEVICE_WRITE` : Transfer from memory to block device
     35||    `BLOCK_DEVICE_NOOP`  || No operation                         ||
     36||    `BLOCK_DEVICE_READ`  || Transfer from block device to memory ||
     37||    `BLOCK_DEVICE_WRITE` || Transfer from memory to block device ||
    3838
    3939 * '''BLOCK_DEVICE_STATUS''' (read only)
    4040State of the transfer. Reading this register while not busy resets its value to IDLE, and acknowledge the IRQ. Value may be one of :
    41      `BLOCK_DEVICE_IDLE`
    42      `BLOCK_DEVICE_BUSY`
    43      `BLOCK_DEVICE_READ_SUCCESS`
    44      `BLOCK_DEVICE_WRITE_SUCCESS`
    45      `BLOCK_DEVICE_READ_ERROR`
    46      `BLOCK_DEVICE_WRITE_ERROR`
     41||    `BLOCK_DEVICE_IDLE`          ||
     42||    `BLOCK_DEVICE_BUSY`          ||
     43||    `BLOCK_DEVICE_READ_SUCCESS`  ||
     44||    `BLOCK_DEVICE_WRITE_SUCCESS` ||
     45||    `BLOCK_DEVICE_READ_ERROR`    ||
     46||    `BLOCK_DEVICE_WRITE_ERROR`   ||
    4747
    4848 * '''BLOCK_DEVICE_IRQ_ENABLE''' (read/write)