soc: ti: k3: split up soc-specific Kconfig

Split up Kconfig settings for the ti Keystone 3 (K3) architecture. The old
configuration assumed that every R5F is initialized via a table that's
compatible with the linux remote proc framework and OpenAMP library.

Additionally the number of interrupts and speed of the system timer was
specified only by the cpu type for this series.

For better extendability this was split up into different files that
reflect the subseries of the soc.

Additionally this sets the number of interrupts and the clock frequency for
the R5F in the AM243x to the correct value and the MPU is enabled by
default.

Signed-off-by: Mika Braunschweig <[email protected]>

Author: m-braunschweig

boards/ti/am243x_evm/am243x_evm_am2434_r5f0_0_defconfig

@@ -1,4 +1,5 @@
 # Copyright (c) 2025 Texas Instruments Incorporated
+# Copyright (c) 2025 Siemens Mobility GmbH
 #
 # SPDX-License-Identifier: Apache-2.0
 
@@ -12,6 +13,3 @@ CONFIG_UART_INTERRUPT_DRIVEN=y
 # Enable Console
 CONFIG_CONSOLE=y
 CONFIG_UART_CONSOLE=y
-
-# Enable MPU
-CONFIG_ARM_MPU=y

soc/ti/k3/am6x/Kconfig

@@ -1,4 +1,5 @@
 # Copyright (c) 2023 Enphase Energy
+# Copyright (c) 2025 Siemens Mobility GmbH
 # SPDX-License-Identifier: Apache-2.0
 
 config SOC_SERIES_AM6X_A53
@@ -28,10 +29,18 @@ config SOC_SERIES_AM6X_R5
 	select ARM_CUSTOM_INTERRUPT_CONTROLLER
 	select VIM
 	select TI_DM_TIMER
-	select OPENAMP_RSC_TABLE
 	select UART_NS16550_ACCESS_WORD_ONLY if UART_NS16550
 	select SOC_EARLY_INIT_HOOK
 
+config SOC_J721E_MAIN_R5F0_0
+	select OPENAMP_RSC_TABLE
+
+config SOC_J722S_MAIN_R5F0_0
+	select OPENAMP_RSC_TABLE
+
+config SOC_J722S_MCU_R5F0_0
+	select OPENAMP_RSC_TABLE
+
 config SOC_PART_NUMBER
 	default "AM2434" if SOC_AM2434_M4 || SOC_AM2434_R5F0_0
 	default "AM6234" if SOC_AM6234_A53

soc/ti/k3/am6x/Kconfig.defconfig

@@ -1,8 +1,12 @@
 # Copyright (c) 2023 Enphase Energy
+# Copyright (c) 2025 Siemens Mobility GmbH
 # SPDX-License-Identifier: Apache-2.0
 
 if SOC_SERIES_AM6X
 
+rsource "Kconfig.defconfig.am*"
+rsource "Kconfig.defconfig.j*"
+
 config KERNEL_ENTRY
 	default "_vector_table"
 
@@ -15,16 +19,6 @@ config FLASH_SIZE
 config FLASH_BASE_ADDRESS
 	default $(dt_chosen_reg_addr_hex,$(DT_CHOSEN_Z_FLASH))
 
-config NUM_IRQS
-	default 64 if SOC_SERIES_AM6X_M4
-	default 280 if SOC_SERIES_AM6X_A53
-	default 512 if SOC_SERIES_AM6X_R5
-
-config SYS_CLOCK_HW_CYCLES_PER_SEC
-	default 400000000 if SOC_SERIES_AM6X_M4
-	default 200000000 if SOC_SERIES_AM6X_A53
-	default 19200000 if SOC_SERIES_AM6X_R5
-
 if SERIAL
 
 config UART_NS16550

soc/ti/k3/am6x/Kconfig.defconfig.am6x_am243x

@@ -0,0 +1,29 @@
+# Copyright (c) 2023 Enphase Energy
+# Copyright (c) 2025 Siemens Mobility GmbH
+# SPDX-License-Identifier: Apache-2.0
+
+if SOC_AM6234_A53 || SOC_AM6234_M4 || SOC_AM6442_M4 || SOC_AM2434_R5F0_0 || SOC_AM2434_M4
+
+config NUM_IRQS
+	default 64 if SOC_SERIES_AM6X_M4
+	default 256 if SOC_SERIES_AM6X_R5
+	default 280 if SOC_SERIES_AM6X_A53
+
+config SYS_CLOCK_HW_CYCLES_PER_SEC
+	default 400000000 if SOC_SERIES_AM6X_M4
+	default 200000000 if SOC_SERIES_AM6X_R5
+	default 200000000 if SOC_SERIES_AM6X_A53
+
+config ARM_MPU
+	default y if SOC_SERIES_AM6X_R5
+
+config ROMSTART_RELOCATION_ROM
+	default y if SOC_SERIES_AM6X_R5
+
+config ROMSTART_REGION_ADDRESS
+	default $(dt_nodelabel_reg_addr_hex,atcm_boot) if SOC_SERIES_AM6X_R5
+
+config ROMSTART_REGION_SIZE
+	default $(dt_nodelabel_reg_size_hex,atcm_boot,0,K) if SOC_SERIES_AM6X_R5
+
+endif # SOC_AM6234_A53 || SOC_AM6234_M4 || SOC_AM6442_M4 || SOC_AM2434_R5F0_0 || SOC_AM2434_M4

soc/ti/k3/am6x/Kconfig.defconfig.j72x

@@ -0,0 +1,13 @@
+# Copyright (c) 2023 Enphase Energy
+# Copyright (c) 2025 Siemens Mobility GmbH
+# SPDX-License-Identifier: Apache-2.0
+
+if SOC_J721E_MAIN_R5F0_0 || SOC_J722S_MAIN_R5F0_0 || SOC_J722S_MCU_R5F0_0
+
+config NUM_IRQS
+	default 512
+
+config SYS_CLOCK_HW_CYCLES_PER_SEC
+	default 19200000
+
+endif # SOC_J721E_MAIN_R5F0_0 || SOC_J722S_MAIN_R5F0_0 || SOC_J722S_MCU_R5F0_0