target/linux/layerscape/patches-4.4/3007-armv8-aarch32-Run-32-bit-Linux-in-AArch32-execution-.patch

   1 From 3a827762e11670ca815bd4ee305f5faf5f02acb9 Mon Sep 17 00:00:00 2001
   2 From: Alison Wang <b18965@freescale.com>
   3 Date: Tue, 17 May 2016 17:23:51 +0800
   4 Subject: [PATCH 07/70] armv8: aarch32: Run 32-bit Linux in AArch32 execution
   5  state
   6
   7 This patch adds AArch32 execution state support for LS1043A. Verified
   8 32-bit Linux kernel can run on LS1043ARDB board.
   9
  10 Signed-off-by: Ebony Zhu <ebony.zhu@nxp.com>
  11 Signed-off-by: Alison Wang <alison.wang@nxp.com>
  12 ---
  13  arch/arm/mach-imx/Kconfig        |   10 ++++++++++
  14  arch/arm/mach-imx/Makefile       |    4 +++-
  15  arch/arm/mach-imx/mach-ls1043a.c |   21 +++++++++++++++++++++
  16  3 files changed, 34 insertions(+), 1 deletion(-)
  17  create mode 100644 arch/arm/mach-imx/mach-ls1043a.c
  18
  19 --- a/arch/arm/mach-imx/Kconfig
  20 +++ b/arch/arm/mach-imx/Kconfig
  21 @@ -612,6 +612,16 @@ endchoice
  22
  23  endif
  24
  25 +config ARCH_LAYERSCAPE
  26 +       bool "Freescale Layerscape SoC support"
  27 +       select ARM_GIC
  28 +       select HAVE_ARM_ARCH_TIMER
  29 +       select PCI_LAYERSCAPE if PCI
  30 +       select LS1_MSI if PCI_MSI
  31 +
  32 +       help
  33 +         This enables support for Freescale Layerscape SoC family.
  34 +
  35  source "arch/arm/mach-imx/devices/Kconfig"
  36
  37  endif
  38 --- a/arch/arm/mach-imx/Makefile
  39 +++ b/arch/arm/mach-imx/Makefile
  40 @@ -75,7 +75,7 @@ obj-$(CONFIG_HAVE_IMX_ANATOP) += anatop.
  41  obj-$(CONFIG_HAVE_IMX_GPC) += gpc.o
  42  obj-$(CONFIG_HAVE_IMX_MMDC) += mmdc.o
  43  obj-$(CONFIG_HAVE_IMX_SRC) += src.o
  44 -ifneq ($(CONFIG_SOC_IMX6)$(CONFIG_SOC_LS1021A),)
  45 +ifneq ($(CONFIG_SOC_IMX6)$(CONFIG_SOC_LS1021A)$(CONFIG_ARCH_LAYERSCAPE),)
  46  AFLAGS_headsmp.o :=-Wa,-march=armv7-a
  47  obj-$(CONFIG_SMP) += headsmp.o platsmp.o
  48  obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o
  49 @@ -101,4 +101,6 @@ obj-$(CONFIG_SOC_VF610) += mach-vf610.o
  50
  51  obj-$(CONFIG_SOC_LS1021A) += mach-ls1021a.o
  52
  53 +obj-$(CONFIG_ARCH_LAYERSCAPE) += mach-ls1043a.o
  54 +
  55  obj-y += devices/
  56 --- /dev/null
  57 +++ b/arch/arm/mach-imx/mach-ls1043a.c
  58 @@ -0,0 +1,21 @@
  59 +/*
  60 + * Copyright 2015-2016 Freescale Semiconductor, Inc.
  61 + *
  62 + * This program is free software; you can redistribute it and/or modify
  63 + * it under the terms of the GNU General Public License as published by
  64 + * the Free Software Foundation; either version 2 of the License, or
  65 + * (at your option) any later version.
  66 + */
  67 +
  68 +#include <asm/mach/arch.h>
  69 +
  70 +#include "common.h"
  71 +
  72 +static const char * const ls1043a_dt_compat[] __initconst = {
  73 +       "fsl,ls1043a",
  74 +       NULL,
  75 +};
  76 +
  77 +DT_MACHINE_START(LS1043A, "Freescale LS1043A")
  78 +       .dt_compat      = ls1043a_dt_compat,
  79 +MACHINE_END