STM32 F7: Port the STM32 F3 serial driver to the STM32 F7

arch/arm/src/stm32f7/Make.defs

@@ -108,8 +108,8 @@ endif
 
 CHIP_ASRCS  =
 CHIP_CSRCS  = stm32_allocateheap.c stm32_exti_gpio.c stm32_gpio.c
-CHIP_CSRCS += stm32_irq.c stm32_lowputc.c stm32_rcc.c stm32_start.c
-CHIP_CSRCS += stm32_timerisr.c
+CHIP_CSRCS += stm32_irq.c stm32_lowputc.c stm32_rcc.c stm32_serial.c
+CHIP_CSRCS += stm32_start.c stm32_timerisr.c
 
 ifeq ($(CONFIG_ARMV7M_DTCM),y)
 CHIP_CSRCS += stm32_dtcm.c

arch/arm/src/stm32f7/chip/stm32f74xx75xx_dma.h

@@ -413,7 +413,7 @@
 #define DMAMAP_SPI3_TX_2           STM32_DMA_MAP(DMA1,DMA_STREAM7,DMA_CHAN0)
 
 #define DMAMAP_I2C1_RX_1           STM32_DMA_MAP(DMA1,DMA_STREAM0,DMA_CHAN1)
-#define DMAMAP_I2C3_RX             STM32_DMA_MAP(DMA1,DMA_STREAM1,DMA_CHAN1)
+#define DMAMAP_I2C3_RX_1           STM32_DMA_MAP(DMA1,DMA_STREAM1,DMA_CHAN1)
 #define DMAMAP_TIM7_UP_1           STM32_DMA_MAP(DMA1,DMA_STREAM2,DMA_CHAN1)
 #define DMAMAP_TIM7_UP_2           STM32_DMA_MAP(DMA1,DMA_STREAM4,DMA_CHAN1)
 #define DMAMAP_I2C1_RX_2           STM32_DMA_MAP(DMA1,DMA_STREAM5,DMA_CHAN1)
@@ -429,7 +429,7 @@
 
 #define DMAMAP_TIM2_UP_1           STM32_DMA_MAP(DMA1,DMA_STREAM1,DMA_CHAN3)
 #define DMAMAP_TIM2_CH3            STM32_DMA_MAP(DMA1,DMA_STREAM1,DMA_CHAN3)
-#define DMAMAP_I2C3_RX             STM32_DMA_MAP(DMA1,DMA_STREAM2,DMA_CHAN3)
+#define DMAMAP_I2C3_RX_2           STM32_DMA_MAP(DMA1,DMA_STREAM2,DMA_CHAN3)
 #define DMAMAP_I2C3_TX             STM32_DMA_MAP(DMA1,DMA_STREAM4,DMA_CHAN3)
 #define DMAMAP_TIM2_CH1            STM32_DMA_MAP(DMA1,DMA_STREAM5,DMA_CHAN3)
 #define DMAMAP_TIM2_CH2            STM32_DMA_MAP(DMA1,DMA_STREAM6,DMA_CHAN3)

configs @ 59956ee7

-Subproject commit 48042df172ab3aabf7b08ce1a75d0743a4601a57
+Subproject commit 59956ee7f02ce2eb586be23cad6295ca12d370dc