TODO...
Signed-off-by: Giulio Benetti giulio.benetti@benettiengineering.com --- arch/arm/Kconfig | 10 ++++++++ arch/arm/Makefile | 4 +-- arch/arm/include/asm/arch-imxrt/clock.h | 10 ++++++++ arch/arm/include/asm/arch-imxrt/gpio.h | 10 ++++++++ arch/arm/include/asm/arch-imxrt/imx-regs.h | 10 ++++++++ arch/arm/include/asm/arch-imxrt/imxrt.h | 11 ++++++++ arch/arm/mach-imx/Makefile | 1 + arch/arm/mach-imx/imxrt/Kconfig | 6 +++++ arch/arm/mach-imx/imxrt/Makefile | 7 ++++++ arch/arm/mach-imx/imxrt/soc.c | 29 ++++++++++++++++++++++ 10 files changed, 96 insertions(+), 2 deletions(-) create mode 100644 arch/arm/include/asm/arch-imxrt/clock.h create mode 100644 arch/arm/include/asm/arch-imxrt/gpio.h create mode 100644 arch/arm/include/asm/arch-imxrt/imx-regs.h create mode 100644 arch/arm/include/asm/arch-imxrt/imxrt.h create mode 100644 arch/arm/mach-imx/imxrt/Kconfig create mode 100644 arch/arm/mach-imx/imxrt/Makefile create mode 100644 arch/arm/mach-imx/imxrt/soc.c
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 3b0e315061..672a2a1fe3 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -780,6 +780,14 @@ config ARCH_IMX8M select SUPPORT_SPL imply CMD_DM
+config ARCH_IMXRT + bool "NXP i.MXRT platform" + select CPU_V7M + select DM + select DM_SERIAL + select SUPPORT_SPL + imply CMD_DM + config ARCH_MX23 bool "NXP i.MX23 family" select CPU_ARM926EJS @@ -1694,6 +1702,8 @@ source "arch/arm/mach-imx/imx8/Kconfig"
source "arch/arm/mach-imx/imx8m/Kconfig"
+source "arch/arm/mach-imx/imxrt/Kconfig" + source "arch/arm/mach-imx/mxs/Kconfig"
source "arch/arm/mach-omap2/Kconfig" diff --git a/arch/arm/Makefile b/arch/arm/Makefile index 5384981c17..5dd9f5b1f6 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -104,11 +104,11 @@ libs-y += arch/arm/cpu/ libs-y += arch/arm/lib/
ifeq ($(CONFIG_SPL_BUILD),y) -ifneq (,$(CONFIG_MX23)$(CONFIG_MX28)$(CONFIG_MX35)$(filter $(SOC), mx25 mx5 mx6 mx7 mx35 imx8m imx8)) +ifneq (,$(CONFIG_MX23)$(CONFIG_MX28)$(CONFIG_MX35)$(filter $(SOC), mx25 mx5 mx6 mx7 mx35 imx8m imx8 imxrt)) libs-y += arch/arm/mach-imx/ endif else -ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx7 mx7ulp mx31 mx35 mxs imx8m imx8 vf610)) +ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx7 mx7ulp mx31 mx35 mxs imx8m imx8 imxrt vf610)) libs-y += arch/arm/mach-imx/ endif endif diff --git a/arch/arm/include/asm/arch-imxrt/clock.h b/arch/arm/include/asm/arch-imxrt/clock.h new file mode 100644 index 0000000000..7409028b9a --- /dev/null +++ b/arch/arm/include/asm/arch-imxrt/clock.h @@ -0,0 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (C) 2019 + * Author(s): Giulio Benetti giulio.benetti@benettiengineering.com + */ + +#ifndef __ASM_ARCH_CLOCK_H +#define __ASM_ARCH_CLOCK_H + +#endif /* __ASM_ARCH_CLOCK_H */ diff --git a/arch/arm/include/asm/arch-imxrt/gpio.h b/arch/arm/include/asm/arch-imxrt/gpio.h new file mode 100644 index 0000000000..973ab1da61 --- /dev/null +++ b/arch/arm/include/asm/arch-imxrt/gpio.h @@ -0,0 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (C) 2019 + * Author(s): Giulio Benetti giulio.benetti@benettiengineering.com + */ + +#ifndef _GPIO_H_ +#define _GPIO_H_ + +#endif /* _GPIO_H_ */ diff --git a/arch/arm/include/asm/arch-imxrt/imx-regs.h b/arch/arm/include/asm/arch-imxrt/imx-regs.h new file mode 100644 index 0000000000..4ca7f6bed3 --- /dev/null +++ b/arch/arm/include/asm/arch-imxrt/imx-regs.h @@ -0,0 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright(C) 2019 + * Author(s): Giulio Benetti giulio.benetti@benettiengineering.com + */ + +#ifndef __ASM_ARCH_IMX_REGS_H__ +#define __ASM_ARCH_IMX_REGS_H__ + +#endif /* __ASM_ARCH_IMX_REGS_H__ */ diff --git a/arch/arm/include/asm/arch-imxrt/imxrt.h b/arch/arm/include/asm/arch-imxrt/imxrt.h new file mode 100644 index 0000000000..1cb2c57d31 --- /dev/null +++ b/arch/arm/include/asm/arch-imxrt/imxrt.h @@ -0,0 +1,11 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (C) 2019 + * Author(s): Giulio Benetti giulio.benetti@benettiengineering.com + */ + +#ifndef _ASM_ARCH_IMXRT_H +#define _ASM_ARCH_IMXRT_H + +#endif /* _ASM_ARCH_IMXRT_H */ + diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile index 08ee52edbf..4b0e12c1b2 100644 --- a/arch/arm/mach-imx/Makefile +++ b/arch/arm/mach-imx/Makefile @@ -208,3 +208,4 @@ obj-$(CONFIG_MX7) += mx7/ obj-$(CONFIG_ARCH_MX7ULP) += mx7ulp/ obj-$(CONFIG_IMX8M) += imx8m/ obj-$(CONFIG_ARCH_IMX8) += imx8/ +obj-$(CONFIG_ARCH_IMXRT) += imxrt/ diff --git a/arch/arm/mach-imx/imxrt/Kconfig b/arch/arm/mach-imx/imxrt/Kconfig new file mode 100644 index 0000000000..1da002336b --- /dev/null +++ b/arch/arm/mach-imx/imxrt/Kconfig @@ -0,0 +1,6 @@ +if ARCH_IMXRT + +config SYS_SOC + default "imxrt" + +endif diff --git a/arch/arm/mach-imx/imxrt/Makefile b/arch/arm/mach-imx/imxrt/Makefile new file mode 100644 index 0000000000..9621a8335a --- /dev/null +++ b/arch/arm/mach-imx/imxrt/Makefile @@ -0,0 +1,7 @@ +# SPDX-License-Identifier: GPL-2.0+ +# +# (C) Copyright 2019 +# Author(s): Giulio Benetti giulio.benetti@benettiengineering.com +# + +obj-y := soc.o diff --git a/arch/arm/mach-imx/imxrt/soc.c b/arch/arm/mach-imx/imxrt/soc.c new file mode 100644 index 0000000000..561f284602 --- /dev/null +++ b/arch/arm/mach-imx/imxrt/soc.c @@ -0,0 +1,29 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2019 + * Author(s): Giulio Benetti giulio.benetti@benettiengineering.com + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/armv7_mpu.h> + +int arch_cpu_init(void) +{ + int i; + + struct mpu_region_config imxrt_region_config[] = { + /* + * Make SDRAM area cacheable & executable. + */ + { 0x80000000, REGION_1, XN_DIS, PRIV_RW_USR_RW, + SHARED_WRITE_BUFFERED, REGION_256MB }, + }; + + disable_mpu(); + for (i = 0; i < ARRAY_SIZE(imxrt_region_config); i++) + mpu_config(&imxrt_region_config[i]); + enable_mpu(); + + return 0; +}