From 3a827762e11670ca815bd4ee305f5faf5f02acb9 Mon Sep 17 00:00:00 2001 From: Alison Wang Date: Tue, 17 May 2016 17:23:51 +0800 Subject: [PATCH 07/70] armv8: aarch32: Run 32-bit Linux in AArch32 execution state This patch adds AArch32 execution state support for LS1043A. Verified 32-bit Linux kernel can run on LS1043ARDB board. Signed-off-by: Ebony Zhu Signed-off-by: Alison Wang --- arch/arm/mach-imx/Kconfig | 10 ++++++++++ arch/arm/mach-imx/Makefile | 4 +++- arch/arm/mach-imx/mach-ls1043a.c | 21 +++++++++++++++++++++ 3 files changed, 34 insertions(+), 1 deletion(-) create mode 100644 arch/arm/mach-imx/mach-ls1043a.c --- a/arch/arm/mach-imx/Kconfig +++ b/arch/arm/mach-imx/Kconfig @@ -612,6 +612,16 @@ endchoice endif +config ARCH_LAYERSCAPE + bool "Freescale Layerscape SoC support" + select ARM_GIC + select HAVE_ARM_ARCH_TIMER + select PCI_LAYERSCAPE if PCI + select LS1_MSI if PCI_MSI + + help + This enables support for Freescale Layerscape SoC family. + source "arch/arm/mach-imx/devices/Kconfig" endif --- a/arch/arm/mach-imx/Makefile +++ b/arch/arm/mach-imx/Makefile @@ -75,7 +75,7 @@ obj-$(CONFIG_HAVE_IMX_ANATOP) += anatop. obj-$(CONFIG_HAVE_IMX_GPC) += gpc.o obj-$(CONFIG_HAVE_IMX_MMDC) += mmdc.o obj-$(CONFIG_HAVE_IMX_SRC) += src.o -ifneq ($(CONFIG_SOC_IMX6)$(CONFIG_SOC_LS1021A),) +ifneq ($(CONFIG_SOC_IMX6)$(CONFIG_SOC_LS1021A)$(CONFIG_ARCH_LAYERSCAPE),) AFLAGS_headsmp.o :=-Wa,-march=armv7-a obj-$(CONFIG_SMP) += headsmp.o platsmp.o obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o @@ -101,4 +101,6 @@ obj-$(CONFIG_SOC_VF610) += mach-vf610.o obj-$(CONFIG_SOC_LS1021A) += mach-ls1021a.o +obj-$(CONFIG_ARCH_LAYERSCAPE) += mach-ls1043a.o + obj-y += devices/ --- /dev/null +++ b/arch/arm/mach-imx/mach-ls1043a.c @@ -0,0 +1,21 @@ +/* + * Copyright 2015-2016 Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include + +#include "common.h" + +static const char * const ls1043a_dt_compat[] __initconst = { + "fsl,ls1043a", + NULL, +}; + +DT_MACHINE_START(LS1043A, "Freescale LS1043A") + .dt_compat = ls1043a_dt_compat, +MACHINE_END