User manual

Table Of Contents
Zynq-7000 AP SoC Technical Reference Manual www.xilinx.com 1576
UG585 (v1.11) September 27, 2016
Appendix B: Register Details
Register ADMA_system_address Details
Register (sdio) Boot_Timeout_control
Field Name Bits Type Reset Value Description
ADMA_System_Addre
ss
31:0 rw 0x0 This register holds byte address of executing
command of the Descriptor table.
32-bit Address Descriptor uses lower 32-
bit of this register. At the start of ADMA,
the Host Driver shall set start address of
the Descriptor table. The ADMA
increments this register address, which
points to next line, when every fetching a
Descriptor line. When the ADMA Error
Interrupt is generated, this register shall
hold valid Descriptor address depending
on the ADMA state. The Host Driver shall
program Descriptor Table on 32-bit
boundary and set 32-bit boundary
address to this register. ADMA2 ignores
lower 2-bit of this register and assumes it
to be 00b.
32-bit Address ADMA Register Value 32-
bit System Address
0x00000000 0x00000000
0x00000004 0x00000004
to
0xFFFFFFFC 0xFFFFFFFC
Name Boot_Timeout_control
Relative Address 0x00000060
Absolute Address sd0: 0xE0100060
sd1: 0xE0101060
Width 32 bits
Access Type rw
Reset Value 0x00000000
Description Boot Timeout control register