WIP support for stm32f746g-eval2 board

target/stm32746g-eval2/include/target/debugconfig.h

@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2012 Travis Geiselbrecht
+ *
+ * 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 THE AUTHORS OR COPYRIGHT HOLDERS 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.
+ */
+#ifndef __TARGET_DEBUGCONFIG_H
+#define __TARGET_DEBUGCONFIG_H
+
+#define DEBUG_UART 1
+
+#endif

target/stm32746g-eval2/include/target/gpioconfig.h

@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2012 Travis Geiselbrecht
+ *
+ * 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 THE AUTHORS OR COPYRIGHT HOLDERS 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.
+ */
+#ifndef __TARGET_GPIOCONFIG_H
+#define __TARGET_GPIOCONFIG_H
+
+#include <platform/gpio.h>
+
+#define GPIO_USART1_TX GPIO(GPIO_PORT_A, 9)
+#define GPIO_USART1_RX GPIO(GPIO_PORT_A, 10)
+
+#endif

target/stm32746g-eval2/init.c

@@ -0,0 +1,93 @@
+/*
+ * Copyright (c) 2012 Travis Geiselbrecht
+ *
+ * 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 THE AUTHORS OR COPYRIGHT HOLDERS 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.
+ */
+#include <err.h>
+#include <debug.h>
+#include <trace.h>
+#include <target.h>
+#include <compiler.h>
+#include <dev/gpio.h>
+#include <stm32f7xx_hal_dma.h>
+#include <stm32f7xx_hal_usart.h>
+#include <stm32f7xx_hal_rcc.h>
+#include <stm32f7xx_hal_gpio.h>
+#include <platform/stm32.h>
+#include <platform/gpio.h>
+#include <target/debugconfig.h>
+#include <target/gpioconfig.h>
+#include <reg.h>
+
+void target_early_init(void)
+{
+#ifdef DEBUG_UART
+#if DEBUG_UART == 1
+    gpio_config(GPIO_USART1_TX, GPIO_STM32_AF | GPIO_STM32_AFn(0x7) | GPIO_PULLUP);
+    gpio_config(GPIO_USART1_RX, GPIO_STM32_AF | GPIO_STM32_AFn(0x7) | GPIO_PULLUP);
+
+    // XXX above gpio config doesn't work
+    *REG32(0x40020000) |= (2 << 20) | (2 << 18);
+    *REG32(0x40020024) |= (7 << 8) | (7 << 4);
+
+#else
+#warn DEBUG_UART only supports USART2!!!
+#endif
+#endif // defined DEBUG_UART
+
+    stm32_debug_early_init();
+
+#if 0
+    /* configure some status leds */
+    gpio_config(GPIO_LED0, GPIO_OUTPUT);
+    gpio_config(GPIO_LED1, GPIO_OUTPUT);
+    gpio_config(GPIO_LED2, GPIO_OUTPUT);
+    gpio_config(GPIO_LED3, GPIO_OUTPUT);
+#endif
+}
+
+void target_init(void)
+{
+    TRACE_ENTRY;
+
+    stm32_debug_init();
+
+    TRACE_EXIT;
+}
+
+#if 0
+void target_set_debug_led(unsigned int led, bool on)
+{
+    switch (led) {
+    case 0:
+        gpio_set(GPIO_LED0, on);
+        break;
+    case 1:
+        gpio_set(GPIO_LED1, on);
+        break;
+    case 2:
+        gpio_set(GPIO_LED2, on);
+        break;
+    case 3:
+        gpio_set(GPIO_LED3, on);
+        break;
+    }
+}
+#endif

target/stm32746g-eval2/rules.mk

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+LOCAL_DIR := $(GET_LOCAL_DIR)
+
+MODULE := $(LOCAL_DIR)
+
+STM32_CHIP := stm32f746
+
+PLATFORM := stm32f7xx
+
+GLOBAL_DEFINES += \
+	ENABLE_UART1=1 \
+	HSE_VALUE=8000000 \
+	PLL_M_VALUE=8 \
+	PLL_N_VALUE=336 \
+	PLL_P_VALUE=2
+
+GLOBAL_INCLUDES += $(LOCAL_DIR)/include
+
+MODULE_SRCS += \
+	$(LOCAL_DIR)/init.c
+
+include make/module.mk
+