Modernizing the NAND Framework - Architecture Overview and Planned Improvements

Explore the evolution and modernization of the NAND framework in this 44-minute Linux Foundation conference talk. Delve into the current architecture of MTD and NAND subsystems, identifying limitations and shortcomings. Learn about ongoing and planned reworks to improve code factorization, support new features like multi-plane and sequential operations, and enhance DDR NAND support. Gain insights into separating NAND controller and chip aspects, and understand how these changes will simplify NAND controller development. Discover the speaker's expertise in embedded systems, Linux on ARM, and contributions to various SoCs. Follow the comprehensive agenda covering topics such as Flash Stack, Native System, Advanced Features, NAND Interface, Operations, Command Control, and proposed solutions for modernizing the framework.

Introduction
Agenda
Flash Stack
Limitations
Native System
Advanced Features
NAND Interface
NAND Controller Drivers
NAND Method Example
NAND Operations
NAND Operations Examples
Command Control
Command Control Limitations
The Solution
NAND Controllers
NAND Framework Smart
Adapting the Framework
NAND and MTD
ReWalk
Wild Design
Modern Controllers
The Bad
The Idea
The Optimization
Cached Access
IO Steering
Unfished
Card
End Device
Conclusion
Suggestions
Design Culture