From: Shawn Guo <shawnguo@kernel.org>
To: Oleksij Rempel <o.rempel@pengutronix.de>
Cc: Mark Rutland <mark.rutland@arm.com>,
devicetree@vger.kernel.org, Rob Herring <robh+dt@kernel.org>,
dl-linux-imx <linux-imx@nxp.com>,
kernel@pengutronix.de, Fabio Estevam <fabio.estevam@nxp.com>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2] ARM: imx: Provide support for NXP i.MX7D Cortex-M4
Date: Tue, 3 Jul 2018 14:57:26 +0800 [thread overview]
Message-ID: <20180703065724.GL4348@dragon> (raw)
In-Reply-To: <20180702062755.17263-1-o.rempel@pengutronix.de>
On Mon, Jul 02, 2018 at 08:27:55AM +0200, Oleksij Rempel wrote:
> Cortex M4 part can be started from a boot loader or over
> Linux remoteproc framework.
>
> Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
> ---
> arch/arm/boot/dts/Makefile | 2 +-
> arch/arm/mach-imx/Kconfig | 33 +++++++++++++++++++-----------
> arch/arm/mach-imx/Makefile | 3 ++-
> arch/arm/mach-imx/mach-imx7d-cm4.c | 21 +++++++++++++++++++
> 4 files changed, 45 insertions(+), 14 deletions(-)
> create mode 100644 arch/arm/mach-imx/mach-imx7d-cm4.c
>
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index 7e2424957809..e3fe1bfbc404 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -539,7 +539,7 @@ dtb-$(CONFIG_SOC_IMX6UL) += \
> imx6ull-14x14-evk.dtb \
> imx6ull-colibri-eval-v3.dtb \
> imx6ull-colibri-wifi-eval-v3.dtb
> -dtb-$(CONFIG_SOC_IMX7D) += \
> +dtb-$(CONFIG_SOC_IMX7D_CA7) += \
We agreed to keep this unchanged, no?
> imx7d-cl-som-imx7.dtb \
> imx7d-colibri-emmc-eval-v3.dtb \
> imx7d-colibri-eval-v3.dtb \
> diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
> index e47fa13f4b0c..5ad58b1cb4bc 100644
> --- a/arch/arm/mach-imx/Kconfig
> +++ b/arch/arm/mach-imx/Kconfig
> @@ -522,18 +522,6 @@ config SOC_IMX6UL
> help
> This enables support for Freescale i.MX6 UltraLite processor.
>
> -config SOC_IMX7D
> - bool "i.MX7 Dual support"
> - select PINCTRL_IMX7D
> - select ARM_GIC
> - select HAVE_ARM_ARCH_TIMER
> - select HAVE_IMX_ANATOP
> - select HAVE_IMX_MMDC
> - select HAVE_IMX_SRC
> - select IMX_GPCV2
> - help
> - This enables support for Freescale i.MX7 Dual processor.
> -
> config SOC_LS1021A
> bool "Freescale LS1021A support"
> select ARM_GIC
> @@ -548,6 +536,27 @@ comment "Cortex-A/Cortex-M asymmetric multiprocessing platforms"
>
> if ARCH_MULTI_V7 || ARM_SINGLE_ARMV7M
>
> +config SOC_IMX7D_CA7
> + bool
> + select ARM_GIC
> + select HAVE_ARM_ARCH_TIMER
> + select HAVE_IMX_ANATOP
> + select HAVE_IMX_MMDC
> + select HAVE_IMX_SRC
> + select IMX_GPCV2
> +
> +config SOC_IMX7D_CM4
> + bool
> + select ARMV7M_SYSTICK
> +
> +config SOC_IMX7D
> + bool "i.MX7 Dual support"
> + select PINCTRL_IMX7D
> + select SOC_IMX7D_CA7 if ARCH_MULTI_V7
> + select SOC_IMX7D_CM4 if ARM_SINGLE_ARMV7M
> + help
> + This enables support for Freescale i.MX7 Dual processor.
> +
> config SOC_VF610
> bool "Vybrid Family VF610 support"
> select ARM_GIC if ARCH_MULTI_V7
> diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile
> index 2327e3e876d8..64ebeb6a4f30 100644
> --- a/arch/arm/mach-imx/Makefile
> +++ b/arch/arm/mach-imx/Makefile
> @@ -81,7 +81,8 @@ obj-$(CONFIG_SOC_IMX6SL) += mach-imx6sl.o
> obj-$(CONFIG_SOC_IMX6SLL) += mach-imx6sl.o
> obj-$(CONFIG_SOC_IMX6SX) += mach-imx6sx.o
> obj-$(CONFIG_SOC_IMX6UL) += mach-imx6ul.o
> -obj-$(CONFIG_SOC_IMX7D) += mach-imx7d.o
> +obj-$(CONFIG_SOC_IMX7D_CA7) += mach-imx7d.o
> +obj-$(CONFIG_SOC_IMX7D_CM4) += mach-imx7d-cm4.o
>
> ifeq ($(CONFIG_SUSPEND),y)
> AFLAGS_suspend-imx6.o :=-Wa,-march=armv7-a
> diff --git a/arch/arm/mach-imx/mach-imx7d-cm4.c b/arch/arm/mach-imx/mach-imx7d-cm4.c
> new file mode 100644
> index 000000000000..c36dea79aeb8
> --- /dev/null
> +++ b/arch/arm/mach-imx/mach-imx7d-cm4.c
> @@ -0,0 +1,21 @@
> +/*
> + * Copyright 2017 Pengutronix
> + *
> + * 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.
> + */
Can we use SPDX tag for new file?
Shawn
> +
> +#include <linux/kernel.h>
> +#include <asm/v7m.h>
> +#include <asm/mach/arch.h>
> +
> +static const char * const imx7d_cm4_dt_compat[] __initconst = {
> + "fsl,imx7d-cm4",
> + NULL,
> +};
> +
> +DT_MACHINE_START(IMX7D, "Freescale i.MX7 Dual Cortex-M4 (Device Tree)")
> + .dt_compat = imx7d_cm4_dt_compat,
> + .restart = armv7m_restart,
> +MACHINE_END
> --
> 2.17.1
>
next prev parent reply other threads:[~2018-07-03 6:57 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-02 6:27 [PATCH v2] ARM: imx: Provide support for NXP i.MX7D Cortex-M4 Oleksij Rempel
2018-07-03 6:57 ` Shawn Guo [this message]
2018-07-03 7:06 ` Oleksij Rempel
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20180703065724.GL4348@dragon \
--to=shawnguo@kernel.org \
--cc=devicetree@vger.kernel.org \
--cc=fabio.estevam@nxp.com \
--cc=kernel@pengutronix.de \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-imx@nxp.com \
--cc=mark.rutland@arm.com \
--cc=o.rempel@pengutronix.de \
--cc=robh+dt@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).