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/dts/imxrt1050.dtsi | 167 ++++++++++++++++++++ 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 | 6 + arch/arm/mach-imx/imxrt/Makefile | 7 + arch/arm/mach-imx/imxrt/soc.c | 35 ++++ 12 files changed, 300 insertions(+), 3 deletions(-) create mode 100644 arch/arm/dts/imxrt1050.dtsi 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 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/dts/imxrt1050.dtsi b/arch/arm/dts/imxrt1050.dtsi new file mode 100644 index 0000000000..cc65c69f83 --- /dev/null +++ b/arch/arm/dts/imxrt1050.dtsi @@ -0,0 +1,167 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) +/* + * Copyright (C) 2019 + * Author(s): Giulio Benetti giulio.benetti@benettiengineering.com + */ + +#include "skeleton.dtsi" +#include "armv7-m.dtsi" +#include <dt-bindings/interrupt-controller/arm-gic.h> +#include <dt-bindings/clock/imxrt-clock.h> +#include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/memory/imxrt-sdram.h> + +/ { + aliases { + display0 = &lcdif; + gpio0 = &gpio1; + gpio1 = &gpio2; + gpio2 = &gpio3; + gpio3 = &gpio4; + gpio4 = &gpio5; + mmc0 = &usdhc1; + serial0 = &lpuart1; + }; + + clocks { + u-boot,dm-spl; + ckil { + compatible = "fsl,imx-ckil", "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <32768>; + }; + + ckih1 { + compatible = "fsl,imx-ckih1", "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <0>; + }; + + osc { + u-boot,dm-spl; + compatible = "fsl,imx-osc", "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <24000000>; + }; + }; + + soc { + u-boot,dm-spl; + + semc: semc@402f0000 { + u-boot,dm-spl; + compatible = "fsl,imxrt-semc"; + reg = <0x402f0000 0x4000>; + clocks = <&clks IMXRT_CLK_SEMC>; + pinctrl-0 = <&pinctrl_semc>; + pinctrl-names = "default"; + status = "okay"; + }; + + lpuart1: serial@40184000 { + compatible = "fsl,imxrt-lpuart"; + reg = <0x40184000 0x4000>; + interrupts = <GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clks IMXRT_CLK_LPUART1>; + clock-names = "per"; + status = "disabled"; + }; + + iomuxc: iomuxc@401f8000 { + compatible = "fsl,imxrt-iomuxc"; + reg = <0x401f8000 0x4000>; + fsl,mux_mask = <0x7>; + }; + + clks: ccm@400fc000 { + u-boot,dm-spl; + compatible = "fsl,imxrt-ccm"; + reg = <0x400fc000 0x4000>; + interrupts = <GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>; + #clock-cells = <1>; + }; + + usdhc1: usdhc@402c0000 { + u-boot,dm-spl; + compatible = "fsl,imxrt-usdhc"; + reg = <0x402c0000 0x10000>; + interrupts = <GIC_SPI 110 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clks IMXRT_CLK_USDHC1>; + clock-names = "per"; + bus-width = <4>; + fsl,tuning-start-tap = <20>; + fsl,tuning-step= <2>; + status = "disabled"; + }; + + gpio1: gpio@401b8000 { + u-boot,dm-spl; + compatible = "fsl,imxrt-gpio", "fsl,imx35-gpio"; + reg = <0x401b8000 0x4000>; + interrupts = <GIC_SPI 80 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 81 IRQ_TYPE_LEVEL_HIGH>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + }; + + gpio2: gpio@401bc000 { + u-boot,dm-spl; + compatible = "fsl,imxrt-gpio", "fsl,imx35-gpio"; + reg = <0x401bc000 0x4000>; + interrupts = <GIC_SPI 82 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + }; + + gpio3: gpio@401c0000 { + u-boot,dm-spl; + compatible = "fsl,imxrt-gpio", "fsl,imx35-gpio"; + reg = <0x401c0000 0x4000>; + interrupts = <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + }; + + gpio4: gpio@401c4000 { + u-boot,dm-spl; + compatible = "fsl,imxrt-gpio", "fsl,imx35-gpio"; + reg = <0x401c4000 0x4000>; + interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 87 IRQ_TYPE_LEVEL_HIGH>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + }; + + gpio5: gpio@400c0000 { + u-boot,dm-spl; + compatible = "fsl,imxrt-gpio", "fsl,imx35-gpio"; + reg = <0x400c0000 0x4000>; + interrupts = <GIC_SPI 88 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + }; + + lcdif: lcdif@402B8000 { + compatible = "fsl,imxrt-lcdif"; + reg = <0x402B8000 0x10000>; + interrupts = <GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clks IMXRT_CLK_LCDIF>; + clock-names = "per"; + status = "disabled"; + }; + }; +}; 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..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..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; +}