OCM Remap - imrickysu/ZYNQ-Cookbook GitHub Wiki

Register

OCM_CFG: 0xF8000910

Details

Refer to UG585 Chapter 29.2.4 -> OCM Relocation and Chapter 29.4 Programming Model for the process of modifying this register.

Example

• When OCM_CFG = 0x10, OCM address is mapped to 0x00000000 - 0x0003FFFF
• When OCM_CFG = 0x18, OCM address is mapped to 0x00000000 - 0x0002FFFF and 0xFFFF00000 - 0xFFFFFFFF
• When OCM_CFG = 0x1F, OCM address is mapped to 0xFFFC0000 - 0xFFFFFFFF

Program Defaults

BootROM sets OCM_CFG to 0x18

U-boot set OCM_CFG to 0x1F AR47047