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ARM: vexpress/mps2: introduce MPS2 platform

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The Cortex-M Prototyping System (or V2M-MPS2) is designed for
prototyping and evaluation Cortex-M family of processors including the
latest Cortex-M7

It comes with a range of useful peripherals including 8MB single cycle
SRAM, 16MB PSRAM, Ethernet, QSVGA touch screen panel, 4bit RGB VGA
connector, Audio, SPI and GPIO.

Signed-off-by: Vladimir Murzin <vladimir.murzin@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
This commit is contained in:
Vladimir Murzin 2016-04-25 09:49:13 +01:00 committed by Arnd Bergmann
parent 01bbcdffa9
commit 1847119dcc
5 changed files with 40 additions and 1 deletions
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12
arch/arm/Kconfig
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@ -892,6 +892,18 @@ config MACH_STM32F429
depends on ARCH_STM32
default y
config ARCH_MPS2
bool "ARM MPS2 paltform"
depends on ARM_SINGLE_ARMV7M
select ARM_AMBA
select CLKSRC_MPS2
help
Support for Cortex-M Prototyping System (or V2M-MPS2) which comes
with a range of available cores like Cortex-M3/M4/M7.
Please, note that depends which Application Note is used memory map
for the platform may vary, so adjustment of RAM base might be needed.
# Definitions to make life easier
config ARCH_ACORN
bool

1
arch/arm/Makefile
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@ -183,6 +183,7 @@ machine-$(CONFIG_ARCH_LPC18XX) += lpc18xx
machine-$(CONFIG_ARCH_LPC32XX) += lpc32xx
machine-$(CONFIG_ARCH_MESON) += meson
machine-$(CONFIG_ARCH_MMP) += mmp
machine-$(CONFIG_ARCH_MPS2) += vexpress
machine-$(CONFIG_ARCH_MOXART) += moxart
machine-$(CONFIG_ARCH_MV78XX0) += mv78xx0
machine-$(CONFIG_ARCH_MVEBU) += mvebu

4
arch/arm/mach-vexpress/Makefile
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@ -4,7 +4,7 @@
ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := \
-I$(srctree)/arch/arm/plat-versatile/include
obj-y := v2m.o
obj-$(CONFIG_ARCH_VEXPRESS) := v2m.o
obj-$(CONFIG_ARCH_VEXPRESS_DCSCB) += dcscb.o dcscb_setup.o
CFLAGS_dcscb.o += -march=armv7-a
CFLAGS_REMOVE_dcscb.o = -pg
@ -15,3 +15,5 @@ CFLAGS_tc2_pm.o += -march=armv7-a
CFLAGS_REMOVE_tc2_pm.o = -pg
obj-$(CONFIG_SMP) += platsmp.o
obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o
obj-$(CONFIG_ARCH_MPS2) += v2m-mps2.o

3
arch/arm/mach-vexpress/Makefile.boot Normal file
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@ -0,0 +1,3 @@
# Empty file waiting for deletion once Makefile.boot isn't needed any more.
# Patch waits for application at
# http://www.arm.linux.org.uk/developer/patches/viewpatch.php?id=7889/1 .

21
arch/arm/mach-vexpress/v2m-mps2.c Normal file
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@ -0,0 +1,21 @@
/*
* Copyright (C) 2015 ARM Limited
*
* Author: Vladimir Murzin <vladimir.murzin@arm.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
*/
#include <asm/mach/arch.h>
static const char *const mps2_compat[] __initconst = {
"arm,mps2",
NULL
};
DT_MACHINE_START(MPS2DT, "MPS2 (Device Tree Support)")
.dt_compat = mps2_compat,
MACHINE_END