Add i.IMXRT family basic support.
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 | 19 +++++++++++ arch/arm/include/asm/arch-imxrt/imx-regs.h | 20 ++++++++++++ arch/arm/include/asm/arch-imxrt/imxrt.h | 11 +++++++ arch/arm/include/asm/arch-imxrt/sys_proto.h | 11 +++++++ arch/arm/mach-imx/Makefile | 3 +- arch/arm/mach-imx/imxrt/Kconfig | 21 +++++++++++++ arch/arm/mach-imx/imxrt/Makefile | 7 +++++ arch/arm/mach-imx/imxrt/soc.c | 35 +++++++++++++++++++++ 11 files changed, 148 insertions(+), 3 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/include/asm/arch-imxrt/sys_proto.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 f96841c777..24c6a6dbbf 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -797,6 +797,14 @@ 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 @@ -1720,6 +1728,8 @@ 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 60af7e3199..22e2815cc1 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..da31a7438a --- /dev/null +++ b/arch/arm/include/asm/arch-imxrt/gpio.h @@ -0,0 +1,19 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (C) 2019 + * Author(s): Giulio Benetti giulio.benetti@benettiengineering.com + */ + +#ifndef __ASM_ARCH_GPIO_H__ +#define __ASM_ARCH_GPIO_H__ + +#if !(defined(__KERNEL_STRICT_NAMES) || defined(__ASSEMBLY__)) +/* GPIO registers */ +struct gpio_regs { + u32 gpio_dr; /* data */ + u32 gpio_dir; /* direction */ + u32 gpio_psr; /* pad satus */ +}; +#endif + +#endif /* __ASM_ARCH_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..d21450cfc6 --- /dev/null +++ b/arch/arm/include/asm/arch-imxrt/imx-regs.h @@ -0,0 +1,20 @@ +/* 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__ + +#define ARCH_MXC + +#define ANATOP_BASE_ADDR 0x400d8000 + +#define MXS_LCDIF_BASE 0x402b8000 + +#if !(defined(__KERNEL_STRICT_NAMES) || defined(__ASSEMBLY__)) +#include <asm/mach-imx/regs-lcdif.h> +#endif + +#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/include/asm/arch-imxrt/sys_proto.h b/arch/arm/include/asm/arch-imxrt/sys_proto.h new file mode 100644 index 0000000000..eb878e672e --- /dev/null +++ b/arch/arm/include/asm/arch-imxrt/sys_proto.h @@ -0,0 +1,11 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (C) 2017 NXP + */ + +#ifndef _ASM_ARCH_SYS_PROTO_H +#define _ASM_ARCH_SYS_PROTO_H + +#include <asm/mach-imx/sys_proto.h> + +#endif /* _ASM_ARCH_SYS_PROTO_H */ diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile index e14713c5c4..a70d51b5cf 100644 --- a/arch/arm/mach-imx/Makefile +++ b/arch/arm/mach-imx/Makefile @@ -27,7 +27,7 @@ endif obj-$(CONFIG_GPT_TIMER) += timer.o obj-$(CONFIG_SYS_I2C_MXC) += i2c-mxv7.o endif -ifeq ($(SOC),$(filter $(SOC),mx7 mx6 mxs imx8m imx8)) +ifeq ($(SOC),$(filter $(SOC),mx7 mx6 mxs imx8m imx8 imxrt)) obj-y += misc.o obj-$(CONFIG_SPL_BUILD) += spl.o endif @@ -226,5 +226,6 @@ obj-$(CONFIG_MX7) += mx7/ obj-$(CONFIG_ARCH_MX7ULP) += mx7ulp/ obj-$(CONFIG_IMX8M) += imx8m/ obj-$(CONFIG_ARCH_IMX8) += imx8/ +obj-$(CONFIG_ARCH_IMXRT) += imxrt/
obj-$(CONFIG_SPL_BOOTROM_SUPPORT) += spl_imx_romapi.o diff --git a/arch/arm/mach-imx/imxrt/Kconfig b/arch/arm/mach-imx/imxrt/Kconfig new file mode 100644 index 0000000000..22f130e79a --- /dev/null +++ b/arch/arm/mach-imx/imxrt/Kconfig @@ -0,0 +1,21 @@ +if ARCH_IMXRT + +config IMXRT1050 + bool + +config SYS_SOC + default "imxrt" + +choice + prompt "NXP i.MXRT board select" + optional + +config TARGET_IMXRT1050_EVK + bool "Support imxrt1050 EVK board" + select IMXRT1050 + +endchoice + +source "board/freescale/imxrt1050-evk/Kconfig" + +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..e1eea23035 --- /dev/null +++ b/arch/arm/mach-imx/imxrt/soc.c @@ -0,0 +1,35 @@ +// 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 imxrt1050_region_config[] = { + { 0x00000000, REGION_0, XN_DIS, PRIV_RW_USR_RW, + STRONG_ORDER, REGION_4GB }, + { PHYS_SDRAM, REGION_1, XN_DIS, PRIV_RW_USR_RW, + O_I_WB_RD_WR_ALLOC, (ffs(PHYS_SDRAM_SIZE) - 2) }, + { DMAMEM_BASE, + REGION_2, XN_DIS, PRIV_RW_USR_RW, + STRONG_ORDER, (ffs(DMAMEM_SZ_ALL) - 2) }, + }; + + /* + * Configure the memory protection unit (MPU) to allow full access to + * the whole 4GB address space. + */ + disable_mpu(); + for (i = 0; i < ARRAY_SIZE(imxrt1050_region_config); i++) + mpu_config(&imxrt1050_region_config[i]); + enable_mpu(); + + return 0; +}