
125
CPU Start Registers
DesignWare ARC AXC003 CPU Card User Guide
Version 6323-018
Synopsys, Inc.
May 2017
1) Reset value for START_MODE is sampled from SW2501[7] pin during power-on-reset on the ARC SDP
Mainboard
2) Reset value for CORE_SEL is sampled from SW2503[2:1] pins during power-on-reset
3) Reset value for MULTI_CORE is sampled from SW2503[5:4] pins during power-on-reset
CPU_0_ENTRY: ARC CPU-0 Kernel Entry Point Register
Address offset:
0x1404
Reset value:
0x0000_0000
Table 19 CPU_0_ENTRY Register
Legend: * reset value
Bit
Name
Access Value Description
31:0
ENTRY
RW
0*
Kernel entry point for ARC CPU-0
CPU_1_ENTRY: ARC CPU-1 Kernel Entry Point Register
Address offset:
0x1408
Reset value:
0x0000_0000
Table 20 CPU_1_ENTRY Register
Legend: * reset value
Bit
Name
Access Value Description
31:0
ENTRY
RW
0*
Kernel entry point for ARC CPU-1
CPU_BOOT: Boot Register
Address offset:
0x1010
Reset value:
depends on DIP switch settings on the ARC SDP Mainboard
Table 21 CPU_BOOT Register
Legend: * reset value
Bit Name
Access Value Description
1:0
MIRROR
RW
Boot mirror
0x0
1]
Disabled
0x1
Internal ROM
0x2
Reserved
0x3
Reserved
5:4
RW
Image source location