# Kconfig - Atmel SAM3 MCU series configuration options # # Copyright (c) 2017 Justin Watson # Copyright (c) 2016 Intel Corporation. # Copyright (c) 2014-2015 Wind River Systems, Inc. # SPDX-License-Identifier: Apache-2.0 # if SOC_SERIES_SAM3 || SOC_ATMEL_SAM3X8E config SOC_SERIES string default sam3 config SOC_PART_NUMBER string default sam3x8e if SOC_PART_NUMBER_SAM3X8E || SOC_ATMEL_SAM3X8E config NUM_IRQ_PRIO_BITS int default 3 # # SAM3 family has total 45 peripherals capable of # generating interrupts. # config NUM_IRQS int default 45 config SYS_CLOCK_HW_CYCLES_PER_SEC int default 84000000 # # SRAM address depends on the processor. # # SAM3X8E has two SRAM banks: # 64K @ 0x20000000 # 32K @ 0x20080000 # The first 64K is mirrored at 0x20070000 # to provide one continuous 96K block. # config SRAM_SIZE default 96 if SOC_PART_NUMBER_SAM3X8E || SOC_ATMEL_SAM3X8E config SRAM_BASE_ADDRESS default 0x20000000 if !SOC_PART_NUMBER_SAM3X8E && !SOC_ATMEL_SAM3X8E default 0x20070000 if SOC_PART_NUMBER_SAM3X8E || SOC_ATMEL_SAM3X8E # # Atmel SAM3 family has flash starting @ 0x00080000. # config FLASH_SIZE default 512 if SOC_PART_NUMBER_SAM3X8E || SOC_ATMEL_SAM3X8E config FLASH_BASE_ADDRESS default 0x00080000 if UART_ATMEL_SAM3 config UART_ATMEL_SAM3_BAUD_RATE default 115200 config UART_ATMEL_SAM3_CLK_FREQ default 84000000 endif # UART_ATMEL_SAM3 if GPIO config GPIO_ATMEL_SAM3 def_bool y config GPIO_ATMEL_SAM3_PORTA default y config GPIO_ATMEL_SAM3_PORTB default y config GPIO_ATMEL_SAM3_PORTC default y config GPIO_ATMEL_SAM3_PORTD default y endif # GPIO if I2C config I2C_ATMEL_SAM3 def_bool y config I2C_0 default y config I2C_0_IRQ_PRI default 0 config I2C_1 default y config I2C_1_IRQ_PRI default 0 endif # I2C endif # SOC_SERIES_SAM3