soc: ti_k3: Added SoC files for Cortex M4F on ti_am62x_sk

Added SoC support files for the Cortex M4F core on the TI AM62X SK EVM.

Signed-off-by: L Lakshmanan <l-lakshmanan@ti.com>

soc/arm/ti_k3/CMakeLists.txt

@@ -0,0 +1,8 @@
+# Copyright (c) 2023 Texas Instruments Incorporated
+# Copyright (c) 2023 L Lakshmanan
+#
+# SPDX-License-Identifier: Apache-2.0
+
+zephyr_include_directories(.)
+
+add_subdirectory(${SOC_SERIES})

soc/arm/ti_k3/Kconfig

@@ -0,0 +1,19 @@
+# Texas Instruments K3 Family
+#
+# Copyright (c) 2023 Texas Instruments Incorporated
+# Copyright (c) 2023 L Lakshmanan
+#
+# SPDX-License-Identifier: Apache-2.0
+
+config SOC_FAMILY_TI_K3
+	bool
+
+if SOC_FAMILY_TI_K3
+
+config SOC_FAMILY
+	string
+	default "ti_k3"
+
+source "soc/arm/ti_k3/*/Kconfig.soc"
+
+endif # SOC_FAMILY_TI_K3

soc/arm/ti_k3/Kconfig.defconfig

@@ -0,0 +1,8 @@
+# Texas Instruments K3 Family
+#
+# Copyright (c) 2023 Texas Instruments Incorporated
+# Copyright (c) 2023 L Lakshmanan
+#
+# SPDX-License-Identifier: Apache-2.0
+
+source "soc/arm/ti_k3/*/Kconfig.defconfig.series"

soc/arm/ti_k3/Kconfig.soc

@@ -0,0 +1,8 @@
+# Texas Instruments K3 Family
+#
+# Copyright (c) 2023 Texas Instruments Incorporated
+# Copyright (c) 2023 L Lakshmanan
+#
+# SPDX-License-Identifier: Apache-2.0
+
+source "soc/arm/ti_k3/*/Kconfig.series"

soc/arm/ti_k3/am62x_m4/CMakeLists.txt

@@ -0,0 +1,11 @@
+# Copyright (c) 2023 Texas Instruments Incorporated
+# Copyright (c) 2023 L Lakshmanan
+#
+# SPDX-License-Identifier: Apache-2.0
+
+zephyr_sources(soc.c)
+
+if(CONFIG_OPENAMP_RSC_TABLE)
+  zephyr_linker_section(NAME .resource_table GROUP ROM_REGION NOINPUT)
+  zephyr_linker_section_configure(SECTION .resource_table KEEP INPUT ".resource_table*")
+endif()

soc/arm/ti_k3/am62x_m4/Kconfig.defconfig.am62xm4

@@ -0,0 +1,13 @@
+# Texas Instruments Sitara AM62x-SK-M4 EVM
+#
+# Copyright (c) 2023 Texas Instruments Incorporated
+# Copyright (c) 2023 L Lakshmanan
+#
+# SPDX-License-Identifier: Apache-2.0
+
+if SOC_AM62x_M4
+
+config SOC
+	default "am62x_m4"
+
+endif

soc/arm/ti_k3/am62x_m4/Kconfig.defconfig.series

@@ -0,0 +1,52 @@
+# Texas Instruments Sitara AM62x-SK-M4 EVM
+#
+# Copyright (c) 2023 Texas Instruments Incorporated
+# Copyright (c) 2023 L Lakshmanan
+#
+# SPDX-License-Identifier: Apache-2.0
+
+if SOC_SERIES_AM62X_M4
+
+source "soc/arm/ti_k3/am62x_m4/Kconfig.defconfig.am62xm4*"
+
+config SOC_SERIES
+	default "am62x_m4"
+
+DT_CHOSEN_Z_FLASH := zephyr,flash
+
+config FLASH_SIZE
+	default $(dt_chosen_reg_size_int,$(DT_CHOSEN_Z_FLASH),0,K)
+
+config FLASH_BASE_ADDRESS
+	default $(dt_chosen_reg_addr_hex,$(DT_CHOSEN_Z_FLASH))
+
+config NUM_IRQS
+	default 64
+
+config SYS_CLOCK_HW_CYCLES_PER_SEC
+	int
+	default 400000000
+
+config PINCTRL
+	default y
+
+if SERIAL
+
+config UART_NS16550
+	default y
+
+config UART_NS16550_TI_K3
+	default y
+
+choice UART_NS16550_VARIANT
+	default UART_NS16550_VARIANT_NS16750
+endchoice
+
+endif # SERIAL
+
+config BUILD_OUTPUT_BIN
+	default n
+
+source "soc/arm/ti_k3/am62x_m4/Kconfig.defconfig.am62*"
+
+endif # SOC_SERIES_AM62X_M4

soc/arm/ti_k3/am62x_m4/Kconfig.series

@@ -0,0 +1,22 @@
+# Texas Instruments Sitara AM62x-SK-M4 EVM
+#
+# Copyright (c) 2023 Texas Instruments Incorporated
+# Copyright (c) 2023 L Lakshmanan
+#
+# SPDX-License-Identifier: Apache-2.0
+
+config SOC_SERIES_AM62X_M4
+	bool "TI AM62X M4 Core Series"
+	select SOC_FAMILY_TI_K3
+	select ARM
+	select CPU_CORTEX_M4
+	select CPU_CORTEX_M_HAS_SYSTICK
+	select DYNAMIC_INTERRUPTS
+	select CPU_CORTEX_M_HAS_DWT
+	select OPENAMP_RSC_TABLE
+	select UART_NS16550_ACCESS_WORD_ONLY
+	select EXTERNAL_ADDRESS_TRANSLATION
+	select MM_DRV
+	select MM_TI_RAT
+	help
+	  Enable support for AM62X M4 Series.

soc/arm/ti_k3/am62x_m4/Kconfig.soc

@@ -0,0 +1,28 @@
+# Texas Instruments Sitara AM62x-SK-M4
+#
+# Copyright (c) 2023 Texas Instruments Incorporated
+# Copyright (c) 2023 L Lakshmanan
+#
+# SPDX-License-Identifier: Apache-2.0
+
+choice
+prompt "TI AM62X M4 Selection"
+depends on SOC_SERIES_AM62X_M4
+
+config SOC_AM62x_M4
+	bool "TI AM62x M4"
+	select SOC_PART_NUMBER_AM62x
+
+endchoice
+
+config SOC_PART_NUMBER_AM62x
+	bool
+
+config SOC_PART_NUMBER_AM62X_M4
+	string
+	default "AM62x" if SOC_PART_NUMBER_AM62x
+	help
+	  Full part number of the SoC. Do not select directly.
+
+config SOC_PART_NUMBER
+	default SOC_PART_NUMBER_AM62X_M4 if SOC_SERIES_AM62X_M4

soc/arm/ti_k3/am62x_m4/linker.ld

@@ -0,0 +1,18 @@
+/* linker.ld - Linker command/script file
+ *
+ * Copyright (c) 2023 Texas Instruments Incorporated
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <zephyr/arch/arm/aarch32/cortex_m/scripts/linker.ld>
+
+SECTIONS
+{
+#ifdef CONFIG_OPENAMP_RSC_TABLE
+	SECTION_PROLOGUE(.resource_table,, SUBALIGN(4))
+	{
+		KEEP(*(.resource_table*))
+	} GROUP_LINK_IN(DDR)
+#endif
+}

soc/arm/ti_k3/am62x_m4/soc.c

@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2023 Texas Instruments Incorporated
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <zephyr/arch/cpu.h>
+#include <zephyr/kernel.h>
+#include <zephyr/device.h>
+#include <zephyr/init.h>
+#include <soc.h>
+
+#define ADDR_TRANSLATE_RAT_BASE_ADDR		(0x044200000u)
+
+static struct address_trans_region_config region_config[] = {
+	{
+		.system_addr = 0x0u,
+		.local_addr = 0x80000000u,
+		.size = address_trans_region_size_512M,
+	},
+	{
+		.local_addr = 0xA0000000u,
+		.system_addr = 0x20000000u,
+		.size = address_trans_region_size_512M,
+	},
+	{
+		.local_addr = 0xC0000000u,
+		.system_addr = 0x40000000u,
+		.size = address_trans_region_size_512M,
+	},
+	{
+		.local_addr = 0x60000000u,
+		.system_addr = 0x60000000u,
+		.size = address_trans_region_size_512M,
+	},
+
+/*
+ * Add regions here if you want to map more memory.
+ */
+};
+
+static int am62x_m4_init(void)
+{
+	sys_mm_drv_ti_rat_init(
+		region_config, ADDR_TRANSLATE_RAT_BASE_ADDR, ARRAY_SIZE(region_config));
+	return 0;
+}
+
+SYS_INIT(am62x_m4_init, PRE_KERNEL_1, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT);

soc/arm/ti_k3/am62x_m4/soc.h

@@ -0,0 +1,7 @@
+/*
+ * Copyright (c) 2023 Texas Instruments Incorporated
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <zephyr/drivers/mm/rat.h>