SoC Bus

AMBA

AMBA 1.0
1. ASB (Advanced System Bus)
2. APB (Advanced Peripheral Bus)

AMBA 2.0
1. AHB (Advanced High-performance Bus)
2. ASB
3. APB (Advanced Peripheral Bus)

AMBA 3.0
1. AXI (Advanced eXtensible Interface)
2. APB
3. AHB-lite
4. ATB (Advanced Trace Bus)

CoreConnect
1. PLB (Processor Local Bus)
2. OPB (On-chip Peripheral Bus)
3. DCR (Device Control Register)

OCP (Open Core Protocol)

Wishbone

Reference:
Introduction to AMBA Bus System (Chinese)
ARM AMBA Overview