Multi-partitioning of memories
Various embodiments comprise apparatuses and methods including a method of reconfiguring partitions in a memory device as directed by a host. The method includes managing commands through a first interface controller to mapped portions of a first memory not having an attribute enhanced set, and mapping portions of a second memory having the attribute enhanced set through a second interface controller. Additional apparatuses and methods are described.
1. A method, comprising:
managing commands through a first interface controller to mapped portions of a first type of non-volatile memory;
mapping portions of a second type of non-volatile memory through a second interface controller; and
configuring the first interface controller to be aware of the existence of the second interface controller.
2. The method of claim 1 , further comprising coupling the first interface controller in parallel with the second interface controller.
3. The method of claim 1 , further comprising coupling the first interface controller in series with the second interface controller.
4. The method of claim 1 , further comprising configuring the first type of non-volatile memory to not have an attribute enhanced set.
5. The method of claim 4 , further comprising, based on a request from a host, configuring, by the first interface controller, portions of the first memory to include the attribute enhanced set.
6. The method of claim 1 , further comprising configuring the second type of non-volatile memory to have an attribute enhanced set.
7. The method of claim 1 , further comprising configuring the second interface controller not to be aware of the first interface controller.
8. The method of claim 1 , further comprising executing state transitions to reach an inactive state during a power management mode in at least one of the first interface controller and the second interface controller.
9. The method of claim 1 , further comprising:
inhibiting responses to a host from the second interface controller; and
generating the responses to the host from the first interface controller.
10. The method of claim 1 , further comprising abstracting the type of memory used for the first type of non-volatile memory and the second type of non-volatile memory from a host that is controlling the first interface controller and the second interface controller.
11. The method of claim 1 , further comprising managing areas of the first type of non-volatile memory where attributes are not set through the first interface controller.
12. The method of claim 1 , further comprising tracking memory partitions that are enabled to map the memory partitions.
13. The method of claim 12 , further comprising storing indications of the tracking within each of the first interface controller and the second interface controller.
14. The method of claim 1 , wherein each of the first interface controller and the second first interface controller is configured to disable selected actions during execution of commands.
15. The method of claim 1 , further comprising servicing all requests for data received from a host through the first memory controller.
16. The method of claim 1 , further comprising providing responses to a host from the second interface controller when the first interface controller is in a power saving mode and requests have been sent from the host to the first interface controller.
17. A method, comprising:
managing commands through a first interface controller to mapped portions of a first non-volatile memory, the first memory not including an attribute enhanced set; and
managing commands through a second interface controller to mapped portions of a second non-volatile memory, the second memory including an attribute enhanced set.
18. The method of claim 17 , further comprising:
configuring the first interface controller to be aware of the second interface controller; and
configuring the second interface controller not to be aware of the first interface controller.
19. A method, comprising:
managing commands through a first interface controller to mapped portions of a first memory without an attribute enhanced set, the first memory comprising NAND flash; and
mapping portions of a second memory with the attribute enhanced set through a second interface controller, the second memory comprising Phase-Change Memory (PCM), the first memory and the second memory forming portions of an embedded multi-media card (e-MMC) device.
20. The method of claim 19 , further comprising:
executing state transitions to reach an inactive state during a power management mode in both the first interface controller and the second interface controller; and
providing a reply to a host from only the first interface controller.