[U-Boot] [RFC PATCH 1/5] Add support for the NXP IMXRT10xx SoC family
Giulio Benetti
giulio.benetti at benettiengineering.com
Wed Oct 30 21:09:02 UTC 2019
TODO...
Signed-off-by: Giulio Benetti <giulio.benetti at 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 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..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 at 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 at 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 at 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 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..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 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 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;
+}
--
2.20.1
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