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Zynq-7000 AP SoC Technical Reference Manual www.xilinx.com 114
UG585 (v1.11) September 27, 2016
Chapter 4: System Addresses
4.2 System Bus Masters
The CPUs and AXI_ACP see the same memory map, except the CPUs have a private bus to access their
private timer, interrupt controller, and shared L2 cache / SCU registers. The AXI_HP interfaces provide
high bandwidth to the DDR DRAM and OCM memory. The other system bus masters include:
DMA controller, see Chapter 9, DMA Controller
Device configuration interface (DevC), see Chapter 6, Boot and Configuration
Debug access port (DAP), see Chapter 28, System Test and Debug
PL bus master controllers attached to AXI general purpose ports (S_AXI_GP[1:0]), see Chapter 5,
Interconnect and Chapter 21, Programmable Logic Description
AHB bus master ports with local DMA units (Ethernet, USB, and SDIO)
4.3 SLCR Registers
The System-Level Control registers (SLCR) consist of various registers that are used to control the PS
behavior. These registers are accessible via the central interconnect using load and store instructions.
The detailed descriptions for each register can be found in Appendix B, Register Details. A summary
of the SLCR registers with their base addresses is shown in Table 4-3.
Table 4-3: SLCR Register Map
Register Base
Address
Description Reference
F800_0000 SLCR write protection lock and security
F800_0100 Clock control and status See Chapter 25, Clocks
F800_0200 Reset control and status See Chapter 26, Reset System
F800_0300 APU control See Chapter 3, Application Processing Unit
F800_0400 TrustZone control
See UG1019, Programming ARM TrustZone
Architecture on the Xilinx Zynq-7000 All
Programmable SoC
F800_0500 CoreSight SoC debug control See Chapter 28, System Test and Debug
F800_0600 DDR DRAM controller See Chapter 10, DDR Memory Controller
F800_0700 MIO pin configuration See Chapter 2, Signals, Interfaces, and Pins
F800_0800 MIO parallel access See Chapter 2, Signals, Interfaces, and Pins
F800_0900 Miscellaneous control See Chapter 29, On-Chip Memory (OCM)
F800_0A00 On-chip memory (OCM) control See Chapter 29, On-Chip Memory (OCM)
F800_0B00
I/O buffers for MIO pins (GPIOB) and
DDR pins (DDRIOB)
See Chapter 2, Signals, Interfaces, and Pins