Move configuration from board.c to supervisor/port.c (non-MCU specific) and peripherals/max32690 (mcu-specific)

Author: Brandon-Hurst

ports/analog/Makefile

@@ -121,7 +121,8 @@ SRC_MAX32 += \
 SRC_C += $(SRC_MAX32) \
 			boards/$(BOARD)/board.c \
 			boards/$(BOARD)/pins.c \
-			peripherals/$(MCU_VARIANT_LOWER)/pins.c
+			peripherals/$(MCU_VARIANT_LOWER)/pins.c \
+			peripherals/$(MCU_VARIANT_LOWER)/gpios.c
 
 # *******************************************************************************
 ### Compiler & Linker Flags ###

ports/analog/boards/apard32690/board.c

@@ -9,42 +9,18 @@
 #include "mpconfigboard.h"
 #include "max32_port.h"
 
-// Board-level setup for MAX32690
-mxc_gpio_regs_t *gpio_ports[NUM_GPIO_PORTS] =
-{MXC_GPIO0, MXC_GPIO1, MXC_GPIO2, MXC_GPIO3, MXC_GPIO4};
-
-// clang-format off
-const mxc_gpio_cfg_t pb_pin[] = {
-    { MXC_GPIO1, MXC_GPIO_PIN_27, MXC_GPIO_FUNC_IN, MXC_GPIO_PAD_NONE, MXC_GPIO_VSSEL_VDDIOH, MXC_GPIO_DRVSTR_0},
-};
-const int num_pbs = (sizeof(pb_pin) / sizeof(mxc_gpio_cfg_t));
-
-const mxc_gpio_cfg_t led_pin[] = {
-    { MXC_GPIO2, MXC_GPIO_PIN_1, MXC_GPIO_FUNC_OUT, MXC_GPIO_PAD_NONE, MXC_GPIO_VSSEL_VDDIO, MXC_GPIO_DRVSTR_0 },
-    { MXC_GPIO0, MXC_GPIO_PIN_11, MXC_GPIO_FUNC_OUT, MXC_GPIO_PAD_NONE, MXC_GPIO_VSSEL_VDDIO, MXC_GPIO_DRVSTR_0 },
-    { MXC_GPIO0, MXC_GPIO_PIN_12, MXC_GPIO_FUNC_OUT, MXC_GPIO_PAD_NONE, MXC_GPIO_VSSEL_VDDIO, MXC_GPIO_DRVSTR_0 },
-};
-const int num_leds = (sizeof(led_pin) / sizeof(mxc_gpio_cfg_t));
-// clang-format on
-
+/***** OPTIONAL BOARD-SPECIFIC FUNCTIONS from supervisor/board.h *****/
 // DEFAULT:  Using the weak-defined supervisor/shared/board.c functions
 
-/***** OPTIONAL BOARD-SPECIFIC FUNCTIONS from supervisor/board.h *****/
+// Initializes board related state once on start up.
+void board_init(void) {
+}
+
 // Returns true if the user initiates safe mode in a board specific way.
 // Also add BOARD_USER_SAFE_MODE in mpconfigboard.h to explain the board specific
 // way.
 // bool board_requests_safe_mode(void);
 
-volatile uint32_t system_ticks = 0;
-
-void SysTick_Handler(void) {
-    system_ticks++;
-}
-
-// Initializes board related state once on start up.
-void board_init(void) {
-}
-
 // Reset the state of off MCU components such as neopixels.
 // void reset_board(void);
 

ports/analog/boards/max32690evkit/board.c

@@ -9,41 +9,18 @@
 #include "mpconfigboard.h"
 #include "max32_port.h"
 
-// Board-level setup for MAX32690
-mxc_gpio_regs_t *gpio_ports[NUM_GPIO_PORTS] =
-{MXC_GPIO0, MXC_GPIO1, MXC_GPIO2, MXC_GPIO3, MXC_GPIO4};
-
-// clang-format off
-const mxc_gpio_cfg_t pb_pin[] = {
-    { MXC_GPIO4, MXC_GPIO_PIN_0, MXC_GPIO_FUNC_IN, MXC_GPIO_PAD_NONE, MXC_GPIO_VSSEL_VDDIOH, MXC_GPIO_DRVSTR_0},
-};
-const int num_pbs = (sizeof(pb_pin) / sizeof(mxc_gpio_cfg_t));
-
-const mxc_gpio_cfg_t led_pin[] = {
-    { MXC_GPIO0, MXC_GPIO_PIN_14, MXC_GPIO_FUNC_OUT, MXC_GPIO_PAD_NONE, MXC_GPIO_VSSEL_VDDIO, MXC_GPIO_DRVSTR_0 },
-    { MXC_GPIO2, MXC_GPIO_PIN_12, MXC_GPIO_FUNC_OUT, MXC_GPIO_PAD_NONE, MXC_GPIO_VSSEL_VDDIO, MXC_GPIO_DRVSTR_0 },
-};
-const int num_leds = (sizeof(led_pin) / sizeof(mxc_gpio_cfg_t));
-// clang-format on
-
+/***** OPTIONAL BOARD-SPECIFIC FUNCTIONS from supervisor/board.h *****/
 // DEFAULT:  Using the weak-defined supervisor/shared/board.c functions
 
-/***** OPTIONAL BOARD-SPECIFIC FUNCTIONS from supervisor/board.h *****/
+// Initializes board related state once on start up.
+void board_init(void) {
+}
+
 // Returns true if the user initiates safe mode in a board specific way.
 // Also add BOARD_USER_SAFE_MODE in mpconfigboard.h to explain the board specific
 // way.
 // bool board_requests_safe_mode(void);
 
-volatile uint32_t system_ticks = 0;
-
-void SysTick_Handler(void) {
-    system_ticks++;
-}
-
-// Initializes board related state once on start up.
-void board_init(void) {
-}
-
 // Reset the state of off MCU components such as neopixels.
 // void reset_board(void);
 

ports/analog/peripherals/max32690/gpios.c

@@ -0,0 +1,10 @@
+// This file is part of the CircuitPython project: https://circuitpython.org
+//
+// SPDX-FileCopyrightText: Copyright (c) 2024 Brandon Hurst, Analog Devices, Inc.
+//
+// SPDX-License-Identifier: MIT
+
+#include "gpios.h"
+
+volatile mxc_gpio_regs_t *gpio_ports[NUM_GPIO_PORTS] =
+{MXC_GPIO0, MXC_GPIO1, MXC_GPIO2, MXC_GPIO3, MXC_GPIO4};

ports/analog/peripherals/max32690/gpios.h

@@ -0,0 +1,13 @@
+// This file is part of the CircuitPython project: https://circuitpython.org
+//
+// SPDX-FileCopyrightText: Copyright (c) 2024 Brandon Hurst, Analog Devices, Inc.
+//
+// SPDX-License-Identifier: MIT
+
+#include "py/obj.h"
+#include "py/mphal.h"
+
+// MSDK HAL includes
+#include "gpio.h"
+#include "gpio_regs.h"
+#include "max32690.h"

ports/analog/supervisor/port.c

@@ -65,6 +65,13 @@ static uint32_t tick_flag = 0;
 // defined by cmsis core files
 extern void NVIC_SystemReset(void) NORETURN;
 
+volatile uint32_t system_ticks = 0;
+
+void SysTick_Handler(void) {
+    system_ticks++;
+}
+
+
 safe_mode_t port_init(void) {
     int err = E_NO_ERROR;