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[Qemu-commits] [qemu/qemu] 74fcbd: hw/misc: Add support for ADC controll

From: GitHub
Subject: [Qemu-commits] [qemu/qemu] 74fcbd: hw/misc: Add support for ADC controller in Xilinx ...
Date: Thu, 12 Nov 2015 14:00:04 -0800

  Branch: refs/heads/master
  Home:   https://github.com/qemu/qemu
  Commit: 74fcbd22d20a2fbc1a47a7b00cce5bf98fd7be5f
  Author: Guenter Roeck <address@hidden>
  Date:   2015-11-12 (Thu, 12 Nov 2015)

  Changed paths:
    M hw/arm/xilinx_zynq.c
    M hw/misc/Makefile.objs
    A hw/misc/zynq-xadc.c
    A include/hw/misc/zynq-xadc.h

  Log Message:
  hw/misc: Add support for ADC controller in Xilinx Zynq 7000

Add support for the Xilinx XADC core used in Zynq 7000.

- Zynq-7000 All Programmable SoC Technical Reference Manual
- 7 Series FPGAs and Zynq-7000 All Programmable SoC XADC
  Dual 12-Bit 1 MSPS Analog-to-Digital Converter

Tested with Linux using QEMU machine xilinx-zynq-a9 with devicetree
files zynq-zc702.dtb and zynq-zc706.dtb, and kernel configuration

Reviewed-by: Alistair Francis <address@hidden>
Signed-off-by: Guenter Roeck <address@hidden>
[ PC changes:
  * Changed macro names to match TRM where possible
  * Made programmers model macro scheme consistent
  * Dropped XADC_ZYNQ_ prefix on local macros
  * Fix ALM field width
  * Update threshold-comparison interrupts in _update_ints()
  * factored out DFIFO pushes into helper. Renamed to "push/pop"
  * Changed xadc_reg to 10 bits and added OOB check.
  * Reduced scope of MCTL reset to just stop channel coms.
  * Added dummy read data to write commands
  * Changed _ to - seperators in string names and filenames
  * Dropped ------------ in header comment
  * Catchall'ed _update_ints() in _write handler.
  * Minor whitespace changes.
Signed-off-by: Peter Crosthwaite <address@hidden>
Tested-by: Guenter Roeck <address@hidden>
Signed-off-by: Peter Maydell <address@hidden>

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