Maxim Integrated
HSP Platform firmware evaluating ECG data and hearth rate over PPG data.
Dependencies: max32630fthr Adafruit_FeatherOLED USBDevice
Diff: patches/0001-porting-MAX32625PICO-to-mbed-os-5.patch
- Revision:
- 1:f60eafbf009a
diff -r 07d28b5db986 -r f60eafbf009a patches/0001-porting-MAX32625PICO-to-mbed-os-5.patch
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/patches/0001-porting-MAX32625PICO-to-mbed-os-5.patch Wed Apr 10 14:56:25 2019 +0300
@@ -0,0 +1,611 @@
+From 0420b36056436f6f7b387b614de8ab9e0aa0f373 Mon Sep 17 00:00:00 2001
+From: Mahir Ozturk <Mahir.Ozturk@maximintegrated.com>
+Date: Wed, 29 Mar 2017 14:16:50 +0300
+Subject: [PATCH] porting MAX32625PICO to mbed-os 5
+
+---
+ .../TARGET_MAX32625PICO/PeripheralNames.h | 88 +++++++++++
+ .../TARGET_MAX32625/TARGET_MAX32625PICO/PinNames.h | 140 ++++++++++++++++
+ .../TARGET_MAX32625PICO/low_level_init.c | 56 +++++++
+ .../TARGET_MAX32625PICO/MAX32625.sct | 16 ++
+ .../TARGET_MAX32625PICO/max32625.ld | 176 +++++++++++++++++++++
+ .../TOOLCHAIN_IAR/TARGET_MAX32625PICO/MAX32625.icf | 29 ++++
+ .../TARGET_MAX32625/device/system_max32625.c | 7 +
+ targets/targets.json | 9 ++
+ 8 files changed, 521 insertions(+)
+ create mode 100644 targets/TARGET_Maxim/TARGET_MAX32625/TARGET_MAX32625PICO/PeripheralNames.h
+ create mode 100644 targets/TARGET_Maxim/TARGET_MAX32625/TARGET_MAX32625PICO/PinNames.h
+ create mode 100644 targets/TARGET_Maxim/TARGET_MAX32625/TARGET_MAX32625PICO/low_level_init.c
+ create mode 100644 targets/TARGET_Maxim/TARGET_MAX32625/device/TOOLCHAIN_ARM_STD/TARGET_MAX32625PICO/MAX32625.sct
+ create mode 100644 targets/TARGET_Maxim/TARGET_MAX32625/device/TOOLCHAIN_GCC_ARM/TARGET_MAX32625PICO/max32625.ld
+ create mode 100644 targets/TARGET_Maxim/TARGET_MAX32625/device/TOOLCHAIN_IAR/TARGET_MAX32625PICO/MAX32625.icf
+
+diff --git a/targets/TARGET_Maxim/TARGET_MAX32625/TARGET_MAX32625PICO/PeripheralNames.h b/targets/TARGET_Maxim/TARGET_MAX32625/TARGET_MAX32625PICO/PeripheralNames.h
+new file mode 100644
+index 000000000..4686ef9c9
+--- /dev/null
++++ b/targets/TARGET_Maxim/TARGET_MAX32625/TARGET_MAX32625PICO/PeripheralNames.h
+@@ -0,0 +1,88 @@
++/*******************************************************************************
++ * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved.
++ *
++ * Permission is hereby granted, free of charge, to any person obtaining a
++ * copy of this software and associated documentation files (the "Software"),
++ * to deal in the Software without restriction, including without limitation
++ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
++ * and/or sell copies of the Software, and to permit persons to whom the
++ * Software is furnished to do so, subject to the following conditions:
++ *
++ * The above copyright notice and this permission notice shall be included
++ * in all copies or substantial portions of the Software.
++ *
++ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
++ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
++ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
++ * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
++ * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
++ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
++ * OTHER DEALINGS IN THE SOFTWARE.
++ *
++ * Except as contained in this notice, the name of Maxim Integrated
++ * Products, Inc. shall not be used except as stated in the Maxim Integrated
++ * Products, Inc. Branding Policy.
++ *
++ * The mere transfer of this software does not imply any licenses
++ * of trade secrets, proprietary technology, copyrights, patents,
++ * trademarks, maskwork rights, or any other form of intellectual
++ * property whatsoever. Maxim Integrated Products, Inc. retains all
++ * ownership rights.
++ *******************************************************************************
++ */
++
++#ifndef MBED_PERIPHERALNAMES_H
++#define MBED_PERIPHERALNAMES_H
++
++#include "cmsis.h"
++
++#ifdef __cplusplus
++extern "C" {
++#endif
++
++typedef enum {
++ UART_0 = MXC_BASE_UART0,
++ UART_1 = MXC_BASE_UART1,
++ UART_2 = MXC_BASE_UART2,
++ STDIO_UART = UART_1
++} UARTName;
++
++typedef enum {
++ I2C_0 = MXC_BASE_I2CM0,
++ I2C_1 = MXC_BASE_I2CM1
++} I2CName;
++
++typedef enum {
++ SPI_0 = MXC_BASE_SPIM0,
++ SPI_1 = MXC_BASE_SPIM1,
++ SPI_2 = MXC_BASE_SPIM2
++} SPIName;
++
++typedef enum {
++ PWM_0 = MXC_BASE_PT0,
++ PWM_1 = MXC_BASE_PT1,
++ PWM_2 = MXC_BASE_PT2,
++ PWM_3 = MXC_BASE_PT3,
++ PWM_4 = MXC_BASE_PT4,
++ PWM_5 = MXC_BASE_PT5,
++ PWM_6 = MXC_BASE_PT6,
++ PWM_7 = MXC_BASE_PT7,
++ PWM_8 = MXC_BASE_PT8,
++ PWM_9 = MXC_BASE_PT9,
++ PWM_10 = MXC_BASE_PT10,
++ PWM_11 = MXC_BASE_PT11,
++ PWM_12 = MXC_BASE_PT12,
++ PWM_13 = MXC_BASE_PT13,
++ PWM_14 = MXC_BASE_PT14,
++ PWM_15 = MXC_BASE_PT15
++} PWMName;
++
++typedef enum {
++ ADC = MXC_BASE_ADC
++} ADCName;
++
++#ifdef __cplusplus
++}
++#endif
++
++#endif
+diff --git a/targets/TARGET_Maxim/TARGET_MAX32625/TARGET_MAX32625PICO/PinNames.h b/targets/TARGET_Maxim/TARGET_MAX32625/TARGET_MAX32625PICO/PinNames.h
+new file mode 100644
+index 000000000..1cbd97e37
+--- /dev/null
++++ b/targets/TARGET_Maxim/TARGET_MAX32625/TARGET_MAX32625PICO/PinNames.h
+@@ -0,0 +1,140 @@
++/*******************************************************************************
++ * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved.
++ *
++ * Permission is hereby granted, free of charge, to any person obtaining a
++ * copy of this software and associated documentation files (the "Software"),
++ * to deal in the Software without restriction, including without limitation
++ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
++ * and/or sell copies of the Software, and to permit persons to whom the
++ * Software is furnished to do so, subject to the following conditions:
++ *
++ * The above copyright notice and this permission notice shall be included
++ * in all copies or substantial portions of the Software.
++ *
++ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
++ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
++ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
++ * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
++ * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
++ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
++ * OTHER DEALINGS IN THE SOFTWARE.
++ *
++ * Except as contained in this notice, the name of Maxim Integrated
++ * Products, Inc. shall not be used except as stated in the Maxim Integrated
++ * Products, Inc. Branding Policy.
++ *
++ * The mere transfer of this software does not imply any licenses
++ * of trade secrets, proprietary technology, copyrights, patents,
++ * trademarks, maskwork rights, or any other form of intellectual
++ * property whatsoever. Maxim Integrated Products, Inc. retains all
++ * ownership rights.
++ *******************************************************************************
++ */
++
++#ifndef MBED_PINNAMES_H
++#define MBED_PINNAMES_H
++
++#include "cmsis.h"
++#include "gpio_regs.h"
++
++#ifdef __cplusplus
++extern "C" {
++#endif
++
++typedef enum {
++ PIN_INPUT = 0, /* MXC_V_GPIO_OUT_MODE_HIGH_Z,*/
++ PIN_OUTPUT = 1 /* MXC_V_GPIO_OUT_MODE_NORMAL_DRIVE */
++} PinDirection;
++
++#define PORT_SHIFT 12
++#define PINNAME_TO_PORT(name) ((unsigned int)(name) >> PORT_SHIFT)
++#define PINNAME_TO_PIN(name) ((unsigned int)(name) & ~(0xFFFFFFFF << PORT_SHIFT))
++
++#define NOT_CONNECTED (int)0xFFFFFFFF
++
++typedef enum {
++ P0_0 = (0 << PORT_SHIFT), P0_1, P0_2, P0_3, P0_4, P0_5, P0_6, P0_7,
++ P1_0 = (1 << PORT_SHIFT), P1_1, P1_2, P1_3, P1_4, P1_5, P1_6, P1_7,
++ P2_0 = (2 << PORT_SHIFT), P2_1, P2_2, P2_3, P2_4, P2_5, P2_6, P2_7,
++ P3_0 = (3 << PORT_SHIFT), P3_1, P3_2, P3_3, P3_4, P3_5, P3_6, P3_7,
++ P4_0 = (4 << PORT_SHIFT), P4_1, P4_2, P4_3, P4_4, P4_5, P4_6, P4_7,
++
++ // Analog input pins
++ AIN_0 = (0xA << PORT_SHIFT), AIN_1, AIN_2, AIN_3, AIN_4, AIN_5, AIN_6, AIN_7, AIN_8, AIN_9,
++
++ // LEDs
++ LED1 = P2_4,
++ LED2 = P2_5,
++ LED3 = P2_6,
++ LED_RED = LED1,
++ LED_GREEN = LED2,
++ LED_BLUE = LED3,
++
++ // Push button
++ SW1 = P2_7,
++
++ // USB bridge connected UART pins
++ USBTX = P2_1,
++ USBRX = P2_0,
++ STDIO_UART_TX = USBTX,
++ STDIO_UART_RX = USBRX,
++
++ // I2C pins
++ I2C0_SCL = P1_7,
++ I2C0_SDA = P1_6,
++
++ I2C1_SCL = P3_5,
++ I2C1_SDA = P3_4,
++
++ // UART pins
++ UART0_RX = P0_0,
++ UART0_TX = P0_1,
++ UART0_CTS = P0_2,
++ UART0_RTS = P0_3,
++
++ UART1_RX = P2_0,
++ UART1_TX = P2_1,
++
++ UART2_RX = P3_0,
++ UART2_TX = P3_1,
++ UART2_CTS = P3_2,
++ UART2_RTS = P3_3,
++
++ // SPI pins
++ SPI0_SCK = P0_4,
++ SPI0_MOSI = P0_5,
++ SPI0_MISO = P0_6,
++ SPI0_SS = P0_7,
++
++ SPI1_SCK = P1_0,
++ SPI1_MOSI = P1_1,
++ SPI1_MISO = P1_2,
++ SPI1_SS = P1_3,
++
++ SPI2_SCK = P2_4,
++ SPI2_MOSI = P2_5,
++ SPI2_MISO = P2_6,
++ SPI2_SS = P2_7,
++
++ // Not connected
++ NC = NOT_CONNECTED
++} PinName;
++
++typedef enum {
++ PullUp,
++ PullDown,
++ OpenDrain,
++ PullNone,
++ PullDefault = PullUp
++} PinMode;
++
++typedef enum {
++ LED_ON = 0,
++ LED_OFF = 1
++} LedStates;
++
++#ifdef __cplusplus
++}
++#endif
++
++#endif
+diff --git a/targets/TARGET_Maxim/TARGET_MAX32625/TARGET_MAX32625PICO/low_level_init.c b/targets/TARGET_Maxim/TARGET_MAX32625/TARGET_MAX32625PICO/low_level_init.c
+new file mode 100644
+index 000000000..1c56f9891
+--- /dev/null
++++ b/targets/TARGET_Maxim/TARGET_MAX32625/TARGET_MAX32625PICO/low_level_init.c
+@@ -0,0 +1,56 @@
++/*******************************************************************************
++ * Copyright (C) 2017 Maxim Integrated Products, Inc., All Rights Reserved.
++ *
++ * Permission is hereby granted, free of charge, to any person obtaining a
++ * copy of this software and associated documentation files (the "Software"),
++ * to deal in the Software without restriction, including without limitation
++ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
++ * and/or sell copies of the Software, and to permit persons to whom the
++ * Software is furnished to do so, subject to the following conditions:
++ *
++ * The above copyright notice and this permission notice shall be included
++ * in all copies or substantial portions of the Software.
++ *
++ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
++ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
++ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
++ * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
++ * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
++ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
++ * OTHER DEALINGS IN THE SOFTWARE.
++ *
++ * Except as contained in this notice, the name of Maxim Integrated
++ * Products, Inc. shall not be used except as stated in the Maxim Integrated
++ * Products, Inc. Branding Policy.
++ *
++ * The mere transfer of this software does not imply any licenses
++ * of trade secrets, proprietary technology, copyrights, patents,
++ * trademarks, maskwork rights, or any other form of intellectual
++ * property whatsoever. Maxim Integrated Products, Inc. retains all
++ * ownership rights.
++ *******************************************************************************
++ */
++
++#include "cmsis.h"
++#include "ioman_regs.h"
++#include "gpio_regs.h"
++
++//******************************************************************************
++// This function will get called early in system initialization
++void low_level_init(void)
++{
++ /* The MAX32625PICO board utilizes a bootloader that can leave some
++ * peripherals in a partially configured state. This function resets
++ * those to allow proper initialization.
++ */
++ MXC_IOMAN->uart0_req = 0x0; // Clear any requests
++ MXC_IOMAN->uart1_req = 0x0; // Clear any requests
++
++ MXC_GPIO->inten[2] = 0x0; // Clear interrupt enable
++ MXC_GPIO->int_mode[2] = 0x0; // Clear interrupt mode
++ MXC_GPIO->in_mode[2] = 0x22222222; // Clear input mode
++ MXC_GPIO->out_val[2] = 0x0; // Clear output value
++ MXC_GPIO->out_mode[2] = 0xFFFFFFFF; // Clear output mode
++
++
++}
+diff --git a/targets/TARGET_Maxim/TARGET_MAX32625/device/TOOLCHAIN_ARM_STD/TARGET_MAX32625PICO/MAX32625.sct b/targets/TARGET_Maxim/TARGET_MAX32625/device/TOOLCHAIN_ARM_STD/TARGET_MAX32625PICO/MAX32625.sct
+new file mode 100644
+index 000000000..6ea0cb73b
+--- /dev/null
++++ b/targets/TARGET_Maxim/TARGET_MAX32625/device/TOOLCHAIN_ARM_STD/TARGET_MAX32625PICO/MAX32625.sct
+@@ -0,0 +1,16 @@
++; MAX32625
++; 512KB FLASH (0x70000) @ 0x000010000
++; 160KB RAM (0x24F00) @ 0x20003100
++
++LR_IROM1 0x000010000 0x70000 { ; load region size_region
++ ER_IROM1 0x000010000 0x70000 { ; load address = execution address
++ *.o (RESET, +First)
++ *(InRoot$$Sections)
++ .ANY (+RO)
++ }
++
++ ; [RAM] Vector table dynamic copy: 68 vectors * 4 bytes = 272 (0x110)
++ RW_IRAM1 (0x20003100+0x110) (0x24F00-0x110) { ; RW data
++ .ANY (+RW +ZI)
++ }
++}
+diff --git a/targets/TARGET_Maxim/TARGET_MAX32625/device/TOOLCHAIN_GCC_ARM/TARGET_MAX32625PICO/max32625.ld b/targets/TARGET_Maxim/TARGET_MAX32625/device/TOOLCHAIN_GCC_ARM/TARGET_MAX32625PICO/max32625.ld
+new file mode 100644
+index 000000000..f51f007f1
+--- /dev/null
++++ b/targets/TARGET_Maxim/TARGET_MAX32625/device/TOOLCHAIN_GCC_ARM/TARGET_MAX32625PICO/max32625.ld
+@@ -0,0 +1,176 @@
++/*******************************************************************************
++ * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved.
++ *
++ * Permission is hereby granted, free of charge, to any person obtaining a
++ * copy of this software and associated documentation files (the "Software"),
++ * to deal in the Software without restriction, including without limitation
++ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
++ * and/or sell copies of the Software, and to permit persons to whom the
++ * Software is furnished to do so, subject to the following conditions:
++ *
++ * The above copyright notice and this permission notice shall be included
++ * in all copies or substantial portions of the Software.
++ *
++ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
++ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
++ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
++ * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
++ * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
++ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
++ * OTHER DEALINGS IN THE SOFTWARE.
++ *
++ * Except as contained in this notice, the name of Maxim Integrated
++ * Products, Inc. shall not be used except as stated in the Maxim Integrated
++ * Products, Inc. Branding Policy.
++ *
++ * The mere transfer of this software does not imply any licenses
++ * of trade secrets, proprietary technology, copyrights, patents,
++ * trademarks, maskwork rights, or any other form of intellectual
++ * property whatsoever. Maxim Integrated Products, Inc. retains all
++ * ownership rights.
++ *******************************************************************************
++ */
++
++MEMORY
++{
++ FLASH (rx) : ORIGIN = 0x00010000, LENGTH = 0x00070000
++ RAM (rwx) : ORIGIN = 0x20003100, LENGTH = 0x00024F00
++}
++
++/* Linker script to place sections and symbol values. Should be used together
++ * with other linker script that defines memory regions FLASH and RAM.
++ * It references following symbols, which must be defined in code:
++ * Reset_Handler : Entry of reset handler
++ *
++ * It defines following symbols, which code can use without definition:
++ * __exidx_start
++ * __exidx_end
++ * __etext
++ * __data_start__
++ * __preinit_array_start
++ * __preinit_array_end
++ * __init_array_start
++ * __init_array_end
++ * __fini_array_start
++ * __fini_array_end
++ * __data_end__
++ * __bss_start__
++ * __bss_end__
++ * __end__
++ * end
++ * __HeapLimit
++ * __StackLimit
++ * __StackTop
++ * __stack
++ */
++ENTRY(Reset_Handler)
++
++SECTIONS
++{
++ .text :
++ {
++ KEEP(*(.isr_vector))
++ *(.text*)
++
++ KEEP(*(.init))
++ KEEP(*(.fini))
++
++ /* .ctors */
++ *crtbegin.o(.ctors)
++ *crtbegin?.o(.ctors)
++ *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
++ *(SORT(.ctors.*))
++ *(.ctors)
++
++ /* .dtors */
++ *crtbegin.o(.dtors)
++ *crtbegin?.o(.dtors)
++ *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
++ *(SORT(.dtors.*))
++ *(.dtors)
++
++ *(.rodata*)
++
++ KEEP(*(.eh_frame*))
++ } > FLASH
++
++ .ARM.extab :
++ {
++ *(.ARM.extab* .gnu.linkonce.armextab.*)
++ } > FLASH
++
++ __exidx_start = .;
++ .ARM.exidx :
++ {
++ *(.ARM.exidx* .gnu.linkonce.armexidx.*)
++ } > FLASH
++ __exidx_end = .;
++
++ __etext = .;
++
++ .data : AT (__etext)
++ {
++ __data_start__ = .;
++ *(vtable)
++ *(.data*)
++
++ . = ALIGN(4);
++ /* preinit data */
++ PROVIDE_HIDDEN (__preinit_array_start = .);
++ KEEP(*(.preinit_array))
++ PROVIDE_HIDDEN (__preinit_array_end = .);
++
++ . = ALIGN(4);
++ /* init data */
++ PROVIDE_HIDDEN (__init_array_start = .);
++ KEEP(*(SORT(.init_array.*)))
++ KEEP(*(.init_array))
++ PROVIDE_HIDDEN (__init_array_end = .);
++
++
++ . = ALIGN(4);
++ /* finit data */
++ PROVIDE_HIDDEN (__fini_array_start = .);
++ KEEP(*(SORT(.fini_array.*)))
++ KEEP(*(.fini_array))
++ PROVIDE_HIDDEN (__fini_array_end = .);
++
++ . = ALIGN(4);
++ /* All data end */
++ __data_end__ = .;
++
++ } > RAM
++
++ .bss :
++ {
++ __bss_start__ = .;
++ *(.bss*)
++ *(COMMON)
++ __bss_end__ = .;
++ } > RAM
++
++ .heap :
++ {
++ __end__ = .;
++ end = __end__;
++ *(.heap*)
++ __HeapLimit = .;
++ } > RAM
++
++ /* .stack_dummy section doesn't contains any symbols. It is only
++ * used for linker to calculate size of stack sections, and assign
++ * values to stack symbols later */
++ .stack_dummy :
++ {
++ *(.stack)
++ } > RAM
++
++ /* Set stack top to end of RAM, and stack limit move down by
++ * size of stack_dummy section */
++ __StackTop = ORIGIN(RAM) + LENGTH(RAM);
++ __StackLimit = __StackTop - SIZEOF(.stack_dummy);
++ PROVIDE(__stack = __StackTop);
++
++ /* Check if data + heap + stack exceeds RAM limit */
++ ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
++}
+diff --git a/targets/TARGET_Maxim/TARGET_MAX32625/device/TOOLCHAIN_IAR/TARGET_MAX32625PICO/MAX32625.icf b/targets/TARGET_Maxim/TARGET_MAX32625/device/TOOLCHAIN_IAR/TARGET_MAX32625PICO/MAX32625.icf
+new file mode 100644
+index 000000000..bba1c8067
+--- /dev/null
++++ b/targets/TARGET_Maxim/TARGET_MAX32625/device/TOOLCHAIN_IAR/TARGET_MAX32625PICO/MAX32625.icf
+@@ -0,0 +1,29 @@
++/* [ROM] */
++define symbol __intvec_start__ = 0x00010000;
++define symbol __region_ROM_start__ = 0x00010000;
++define symbol __region_ROM_end__ = 0x0007FFFF;
++
++/* [RAM] Vector table dynamic copy: 68 vectors * 4 bytes = 272 (0x110) bytes */
++define symbol __NVIC_start__ = 0x00010000;
++define symbol __NVIC_end__ = 0x00010110; /* to be aligned on 8 bytes */
++define symbol __region_RAM_start__ = 0x20003100;
++define symbol __region_RAM_end__ = 0x20027FFF;
++
++/* Memory regions */
++define memory mem with size = 4G;
++define region ROM_region = mem:[from __region_ROM_start__ to __region_ROM_end__];
++define region RAM_region = mem:[from __region_RAM_start__ to __region_RAM_end__];
++
++/* Stack and Heap */
++define symbol __size_cstack__ = 0x5000;
++define symbol __size_heap__ = 0xA000;
++define block CSTACK with alignment = 8, size = __size_cstack__ { };
++define block HEAP with alignment = 8, size = __size_heap__ { };
++
++initialize by copy { readwrite };
++do not initialize { section .noinit };
++
++place at address mem:__intvec_start__ { readonly section .intvec };
++place in ROM_region { readonly };
++place in RAM_region { readwrite,
++ block CSTACK, block HEAP };
+diff --git a/targets/TARGET_Maxim/TARGET_MAX32625/device/system_max32625.c b/targets/TARGET_Maxim/TARGET_MAX32625/device/system_max32625.c
+index 4f77b2116..bba36bb5c 100644
+--- a/targets/TARGET_Maxim/TARGET_MAX32625/device/system_max32625.c
++++ b/targets/TARGET_Maxim/TARGET_MAX32625/device/system_max32625.c
+@@ -171,6 +171,10 @@ __weak int PreInit(void)
+ return 0;
+ }
+
++/* Override this function for early platform initialization
++*/
++__weak void low_level_init(void) {}
++
+ /* This function is called just before control is transferred to main().
+ */
+ void SystemInit(void)
+@@ -258,6 +262,9 @@ void SystemInit(void)
+ __ISB();
+ #endif
+
++ /* Early platform initialization */
++ low_level_init();
++
+ /* Perform an initial trim of the internal ring oscillator */
+ CLKMAN_TrimRO();
+ }
+diff --git a/targets/targets.json b/targets/targets.json
+index ee38b950b..12d5cf61b 100644
+--- a/targets/targets.json
++++ b/targets/targets.json
+@@ -1904,6 +1904,15 @@
+ "device_has": ["ANALOGIN", "ERROR_RED", "I2C", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_FC", "SLEEP", "SPI", "STDIO_MESSAGES"],
+ "release_versions": ["2", "5"]
+ },
++ "MAX32625PICO": {
++ "inherits": ["Target"],
++ "core": "Cortex-M4F",
++ "macros": ["__SYSTEM_HFX=96000000","TARGET=MAX32625","TARGET_REV=0x4132"],
++ "extra_labels": ["Maxim", "MAX32625"],
++ "supported_toolchains": ["GCC_ARM", "IAR", "ARM"],
++ "device_has": ["ANALOGIN", "ERROR_RED", "I2C", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_FC", "SLEEP", "SPI", "STDIO_MESSAGES"],
++ "release_versions": ["2", "5"]
++ },
+ "MAX32630FTHR": {
+ "inherits": ["Target"],
+ "core": "Cortex-M4F",
+--
+2.11.1.windows.1
+