diff mbox series

[U-Boot,RFC,1/5] Add support for the NXP IMXRT10xx SoC family

Message ID 20191030210906.51551-2-giulio.benetti@benettiengineering.com
State RFC
Delegated to: Stefano Babic
Headers show
Series WIP Add support for i.MXRT family | expand

Commit Message

Giulio Benetti Oct. 30, 2019, 9:09 p.m. UTC 
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 mbox series

Patch

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;
+}