From 1847119dcc9841120dbdc45c0d049f37beed7a71 Mon Sep 17 00:00:00 2001 From: Vladimir Murzin Date: Mon, 25 Apr 2016 09:49:13 +0100 Subject: [PATCH] ARM: vexpress/mps2: introduce MPS2 platform 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 Signed-off-by: Sudeep Holla --- arch/arm/Kconfig | 12 ++++++++++++ arch/arm/Makefile | 1 + arch/arm/mach-vexpress/Makefile | 4 +++- arch/arm/mach-vexpress/Makefile.boot | 3 +++ arch/arm/mach-vexpress/v2m-mps2.c | 21 +++++++++++++++++++++ 5 files changed, 40 insertions(+), 1 deletion(-) create mode 100644 arch/arm/mach-vexpress/Makefile.boot create mode 100644 arch/arm/mach-vexpress/v2m-mps2.c diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index cdfa6c2..6cda5dc 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -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 diff --git a/arch/arm/Makefile b/arch/arm/Makefile index 8c3ce2a..274e8a6 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -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 diff --git a/arch/arm/mach-vexpress/Makefile b/arch/arm/mach-vexpress/Makefile index f5c1006..73caae7 100644 --- a/arch/arm/mach-vexpress/Makefile +++ b/arch/arm/mach-vexpress/Makefile @@ -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 diff --git a/arch/arm/mach-vexpress/Makefile.boot b/arch/arm/mach-vexpress/Makefile.boot new file mode 100644 index 0000000..eacfc3f --- /dev/null +++ b/arch/arm/mach-vexpress/Makefile.boot @@ -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 . diff --git a/arch/arm/mach-vexpress/v2m-mps2.c b/arch/arm/mach-vexpress/v2m-mps2.c new file mode 100644 index 0000000..e7ad9c2 --- /dev/null +++ b/arch/arm/mach-vexpress/v2m-mps2.c @@ -0,0 +1,21 @@ +/* + * Copyright (C) 2015 ARM Limited + * + * Author: Vladimir Murzin + * + * 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 + +static const char *const mps2_compat[] __initconst = { + "arm,mps2", + NULL +}; + +DT_MACHINE_START(MPS2DT, "MPS2 (Device Tree Support)") + .dt_compat = mps2_compat, +MACHINE_END -- 2.7.4