This function Unlocks the blocks in the specified range of the flash device(s).
The device is polled until an error or the operation completes successfully.
Note: None.
Prototype
int XFlash_Unlock(XFlash *InstancePtr, u32 Offset, u32 Bytes);
Parameters
The following table lists the XFlash_Unlock
function arguments.
Type | Name | Description |
---|---|---|
XFlash * | InstancePtr | Pointer to the XFlash instance. |
u32 | Offset | Offset into the device(s) address space from which to begin block UnLocking. The first three bytes of every block is reserved for special purpose. The offset should be at least three bytes from start of the block. |
u32 | Bytes | Number of bytes to UnLock in the Block starting from Offset. |
Returns
- XST_SUCCESS if successful.
- XFLASH_ADDRESS_ERROR if the destination address range is not completely within the addressable areas of the device(s).