PIC32MX: Copy some of the configuration updates from PIC32MZ

arch/mips/src/pic32mx/Kconfig

@@ -466,6 +466,10 @@ config PIC32MX_MVEC
 	bool
 	default n
 
+config PIC32MX_SPI
+	bool
+	default n
+
 config PIC32MX_T1
 	bool
 	default y
@@ -555,18 +559,22 @@ config PIC32MX_I2C5
 config PIC32MX_SPI1
 	bool "SPI1"
 	default n
+	select PIC32MX_SPI
 
 config PIC32MX_SPI2
 	bool "SPI2"
 	default n
+	select PIC32MX_SPI
 
 config PIC32MX_SPI3
 	bool "SPI3"
 	default n
+	select PIC32MX_SPI
 
 config PIC32MX_SPI4
 	bool "SPI4"
 	default n
+	select PIC32MX_SPI
 
 config PIC32MX_UART1
 	bool "UART1"
@@ -1010,6 +1018,29 @@ config PIC32MX_GPIOIRQ
 	---help---
 		Build in support for interrupts based on GPIO inputs from IOPorts
 
+menu "SPI Driver Configuration"
+	depends on PIC32MX_SPI
+
+config PIC32MX_SPI_INTERRUPTS
+	bool "SPI Interrupt Driven"
+	default n
+	depends on EXPERIMENTAL
+
+config PIC32MX_SPI_ENHBUF
+	bool "SPI Enhanced Buffer Mode"
+	default n
+	depends on EXPERIMENTAL
+
+config PIC32MX_SPI_REGDEBUG
+	bool "SPI Register level debug"
+	depends on DEBUG
+	default n
+	---help---
+		Output detailed register-level SPI device debug information.
+		Requires also DEBUG.
+
+endmenu # SPI Driver Configuration
+
 menu "PIC32MX PHY/Ethernet device driver settings"
 	depends on PIC32MX_ETHERNET
 

arch/mips/src/pic32mx/pic32mx-spi.c

@@ -1,7 +1,7 @@
 /****************************************************************************
  * arch/mips/src/pic32mx/pic32mx-spi.c
  *
- *   Copyright (C) 2012 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2012, 2015 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -63,18 +63,16 @@
 /****************************************************************************
  * Pre-processor Definitions
  ****************************************************************************/
-/* Enables non-standard debug output from this file.
+/* Configuration */
- *
- * CONFIG_SPI_DEBUG && CONFIG_DEBUG - Define to enable basic SPI debug
- * CONFIG_DEBUG_VERBOSE - Define to enable verbose SPI debug
- */
 
-#ifndef CONFIG_DEBUG
+#ifndef CONFIG_SPI_EXCHANGE
-#  undef CONFIG_DEBUG_SPI
+  /* See arch/mips/src/pic32mz/pic32mz-spi.c for an implementation */
-#  undef CONFIG_DEBUG_VERBOSE
+
-#  undef CONFIG_SPI_REGDEBUG
+#  error CONFIG_SPI_EXCHANGE not supported by this driver
 #endif
 
+/* Debug */
+
 #ifdef CONFIG_DEBUG_SPI
 #  define spidbg  lldbg
 #  ifdef CONFIG_DEBUG_VERBOSE
@@ -91,7 +89,7 @@
  * Private Types
  ****************************************************************************/
 
-/* This structure descibes the state of the SSP driver */
+/* This structure describes the state of the SSP driver */
 
 struct pic32mx_dev_s
 {
@@ -310,7 +308,7 @@ static struct pic32mx_dev_s g_spi4dev =
  *
  ****************************************************************************/
 
-#ifdef CONFIG_SPI_REGDEBUG
+#ifdef CONFIG_PIC32MX_SPI_REGDEBUG
 static uint32_t spi_getreg(FAR struct pic32mx_dev_s *priv, unsigned int offset)
 {
   /* Last address, value, and count */
@@ -393,7 +391,7 @@ static uint32_t spi_getreg(FAR struct pic32mx_dev_s *priv, unsigned int offset)
  *
  ****************************************************************************/
 
-#ifdef CONFIG_SPI_REGDEBUG
+#ifdef CONFIG_PIC32MX_SPI_REGDEBUG
 static void spi_putreg(FAR struct pic32mx_dev_s *priv, unsigned int offset,
                        uint32_t value)
 {