[PATCH v2 20/21] imx: Add basic support for the NXP IMXRT10xx SoC family
Giulio Benetti
giulio.benetti at benettiengineering.com
Fri Jan 10 15:51:47 CET 2020
Add i.IMXRT family basic support.
Signed-off-by: Giulio Benetti <giulio.benetti at benettiengineering.com>
---
V1->V2:
* introduced CONFIG_IMXRT
---
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 | 13 ++++++++
arch/arm/mach-imx/imxrt/Makefile | 7 +++++
arch/arm/mach-imx/imxrt/soc.c | 35 +++++++++++++++++++++
11 files changed, 140 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 76365ef313..4c7d04400a 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
@@ -1722,6 +1730,8 @@ 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 856f2d8608..1e60a9fdd4 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 at 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 at 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..4f1d439f6f
--- /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 at benettiengineering.com>
+ */
+
+#ifndef __ASM_ARCH_IMX_REGS_H__
+#define __ASM_ARCH_IMX_REGS_H__
+
+#define ARCH_MXC
+
+#define GPIO1_BASE_ADDR 0x401B8000
+#define GPIO2_BASE_ADDR 0x401BC000
+#define GPIO3_BASE_ADDR 0x401C0000
+#define GPIO4_BASE_ADDR 0x401C4000
+#define GPIO5_BASE_ADDR 0x400C0000
+
+#define ANATOP_BASE_ADDR 0x400d8000
+
+#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 at 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..96ad2e988b
--- /dev/null
+++ b/arch/arm/mach-imx/imxrt/Kconfig
@@ -0,0 +1,13 @@
+if ARCH_IMXRT
+
+config IMXRT
+ bool
+
+config IMXRT1050
+ bool
+ select 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 at 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 at 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;
+}
--
2.20.1
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