mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-29 22:14:41 +08:00
2440d29d2a
The ARM RealView Evaluation Baseboards are basically these:
- The original ARMv5 EB board with an ARM926EJ-S, ARM1136 or
ARM1176 core tile here described in arm-realview-eb.dts
no matter which of these core tiles is being used. This
can be emulated by QEMU "realview-eb" machine, which by
default will have the ARM926EJ-S core tile.
- The same board with one of three MPCore Core tiles:
ARM11MPCore, not to be confused with the similar ARM
PB11MPCore ARM11MPCore test system. This exist in
two revisions:
- Revision A modeled in arm-realview-eb-11mp.dts
- Revision B modeled arm-realview-eb-11mp-revb.dts
Revision B can be emulated by the QEMU
"realview-eb-mpcore" machine, but to match the hardware
also the argument -smp cpus=4 must be passed so that
it has four CPU cores, like the hardware.
There is also evidently from the code in the kernel a
Cortex-A9 core tile for the EB, and this is modeled in
arm-realview-eb-a9mp.dts based on the kernel boardfile.
I have not found a user guide for this EB core tile on
the ARM website and it seems uncommon. It is however
included for completeness.
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
71 lines
1.9 KiB
Plaintext
71 lines
1.9 KiB
Plaintext
/*
|
|
* Copyright 2016 Linaro Ltd
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*/
|
|
|
|
/dts-v1/;
|
|
#include "arm-realview-eb-mp.dtsi"
|
|
|
|
/ {
|
|
model = "ARM RealView EB Cortex A9 MPCore";
|
|
|
|
/*
|
|
* This is the Cortex A9 MPCore tile used with the
|
|
* RealView EB.
|
|
*/
|
|
cpus {
|
|
#address-cells = <1>;
|
|
#size-cells = <0>;
|
|
enable-method = "arm,realview-smp";
|
|
|
|
A9_0: cpu@0 {
|
|
device_type = "cpu";
|
|
compatible = "arm,cortex-a9";
|
|
reg = <0>;
|
|
next-level-cache = <&L2>;
|
|
};
|
|
|
|
A9_1: cpu@1 {
|
|
device_type = "cpu";
|
|
compatible = "arm,cortex-a9";
|
|
reg = <1>;
|
|
next-level-cache = <&L2>;
|
|
};
|
|
|
|
A9_2: cpu@2 {
|
|
device_type = "cpu";
|
|
compatible = "arm,cortex-a9";
|
|
reg = <2>;
|
|
next-level-cache = <&L2>;
|
|
};
|
|
|
|
A9_3: cpu@3 {
|
|
device_type = "cpu";
|
|
compatible = "arm,cortex-a9";
|
|
reg = <3>;
|
|
next-level-cache = <&L2>;
|
|
};
|
|
};
|
|
};
|
|
|
|
&pmu {
|
|
interrupt-affinity = <&A9_0>, <&A9_1>, <&A9_2>, <&A9_3>;
|
|
};
|