The AM654 device is designed for industrial automation and PLC
controller class platforms among other applications. Introduce
base support for AM654 SoC.
Signed-off-by: Lokesh Vutla <lokeshvu...@ti.com>
---
arch/arm/mach-k3/Kconfig | 31 ++++++++++++++++++++++++++
arch/arm/mach-k3/Makefile | 6 +++++
arch/arm/mach-k3/am6_init.c | 32 +++++++++++++++++++++++++++
arch/arm/mach-k3/include/mach/clock.h | 16 ++++++++++++++
4 files changed, 85 insertions(+)
create mode 100644 arch/arm/mach-k3/Makefile
create mode 100644 arch/arm/mach-k3/am6_init.c
create mode 100644 arch/arm/mach-k3/include/mach/clock.h
diff --git a/arch/arm/mach-k3/Kconfig b/arch/arm/mach-k3/Kconfig
index 552b84923e..9892f574c2 100644
--- a/arch/arm/mach-k3/Kconfig
+++ b/arch/arm/mach-k3/Kconfig
@@ -4,9 +4,40 @@ choice
prompt "Texas Instruments' K3 based SoC select"
optional
+config SOC_K3_AM6
+ bool "TI's K3 based AM6 SoC Family Support"
+
endchoice
config SYS_SOC
default "k3"
+config SYS_K3_NON_SECURE_MSRAM_SIZE
+ hex
+ default 0x80000
+ help
+ Describes the total size of the MCU MSRAM. This doesn't
+ specify the total size of SPL as ROM can use some part
+ of this RAM. Once ROM gives control to SPL then this
+ complete size can be usable.
+
+config SYS_K3_MAX_DOWNLODABLE_IMAGE_SIZE
+ hex
+ default 0x58000
+ help
+ Describes the maximum size of the image that ROM can download
+ from any boot media.
+
+config SYS_K3_MCU_SCRATCHPAD_BASE
+ hex
+ default 0x40280000 if SOC_K3_AM6
+ help
+ Describes the base address of MCU Scratchpad RAM.
+
+config SYS_K3_MCU_SCRATCHPAD_SIZE
+ hex
+ default 0x200 if SOC_K3_AM6
+ help
+ Describes the size of MCU Scratchpad RAM.
+
endif
diff --git a/arch/arm/mach-k3/Makefile b/arch/arm/mach-k3/Makefile
new file mode 100644
index 0000000000..356fc27b11
--- /dev/null
+++ b/arch/arm/mach-k3/Makefile
@@ -0,0 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Copyright (C) 2017-2018 Texas Instruments Incorporated - http://www.ti.com/
+# Lokesh Vutla <lokeshvu...@ti.com>
+
+obj-$(CONFIG_SOC_K3_AM6) += am6_init.o
diff --git a/arch/arm/mach-k3/am6_init.c b/arch/arm/mach-k3/am6_init.c
new file mode 100644
index 0000000000..7a78e85938
--- /dev/null
+++ b/arch/arm/mach-k3/am6_init.c
@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * K3: Architecture initialization
+ *
+ * Copyright (C) 2017-2018 Texas Instruments Incorporated - http://www.ti.com/
+ * Lokesh Vutla <lokeshvu...@ti.com>
+ */
+
+#include <common.h>
+#include <spl.h>
+
+#ifdef CONFIG_SPL_BUILD
+void board_init_f(ulong dummy)
+{
+ /* Init DM early in-order to invoke system controller */
+ spl_early_init();
+
+ /* Prepare console output */
+ preloader_console_init();
+}
+
+u32 spl_boot_device(void)
+{
+ return BOOT_DEVICE_RAM;
+}
+#endif
+
+#ifndef CONFIG_SYSRESET
+void reset_cpu(ulong ignored)
+{
+}
+#endif
diff --git a/arch/arm/mach-k3/include/mach/clock.h
b/arch/arm/mach-k3/include/mach/clock.h
new file mode 100644
index 0000000000..e3adbcd9de
--- /dev/null
+++ b/arch/arm/mach-k3/include/mach/clock.h
@@ -0,0 +1,16 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * K3: Common SoC clock definitions.
+ *
+ * (C) Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com/
+ */
+#ifndef __ASM_ARCH_CLOCK_H
+#define __ASM_ARCH_CLOCK_H
+
+#include <config.h>
+
+/* Clock Defines */
+#define V_OSCK 24000000
+#define V_SCLK V_OSCK
+
+#endif /* __ASM_ARCH_CLOCK_H */
--
2.18.0
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