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Commit 1a1f919e authored by Oleksij Rempel's avatar Oleksij Rempel Committed by Shawn Guo
Browse files

ARM: imx: Provide support for NXP i.MX7D Cortex-M4 



Cortex M4 part can be started from a boot loader or over
Linux remoteproc framework.

Signed-off-by: default avatarOleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: default avatarShawn Guo <shawnguo@kernel.org>
parent d082852f

arch/arm/mach-imx/Kconfig

+21 −12
Original line number Diff line number Diff line
@@ -523,18 +523,6 @@ 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
@@ -549,6 +537,27 @@ 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

arch/arm/mach-imx/Makefile

+2 −1
Original line number Diff line number Diff line
@@ -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

arch/arm/mach-imx/mach-imx7d-cm4.c

0 → 100644
+18 −0
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0

/*

 * Copyright (c) 2018 Pengutronix, Oleksij Rempel <o.rempel@pengutronix.de>

 */



#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