[patch v17 0/4] JTAG driver introduction

When a need raise up to use JTAG interface for system's devices programming or CPU debugging, usually the user layer application implements jtag protocol by bit-bang or using a proprietary connection to vendor hardware. This method can be slow and not generic. We propose to implement general

[patch v17 0/4] JTAG driver introduction

When a need raise up to use JTAG interface for system's devices programming or CPU debugging, usually the user layer application implements jtag protocol by bit-bang or using a proprietary connection to vendor hardware. This method can be slow and not generic. We propose to implement general