Basic Z16F serial driver functionality

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@577 42af7a65-404d-4744-a932-0658087f49c3

arch/arm/src/c5471/c5471_serial.c

@@ -355,7 +355,7 @@ static inline void up_setrate(struct up_dev_s *priv, unsigned int rate)
 
 static int up_setup(struct uart_dev_s *dev)
 {
-#ifdef CONFIG_SUPPRESS_UART_CONFIG
+#ifndef CONFIG_SUPPRESS_UART_CONFIG
   struct up_dev_s *priv = dev->priv;
   unsigned int cval;
 

arch/arm/src/dm320/dm320_serial.c

@@ -286,7 +286,7 @@ static inline void up_enablebreaks(struct up_dev_s *priv, boolean enable)
 
 static int up_setup(struct uart_dev_s *dev)
 {
-#ifdef CONFIG_SUPPRESS_UART_CONFIG
+#ifndef CONFIG_SUPPRESS_UART_CONFIG
   struct up_dev_s *priv = (struct up_dev_s*)dev->priv;
   uint16 brsr;
 

arch/c5471/src/up_serial.c

@@ -352,7 +352,7 @@ static inline void up_setrate(struct up_dev_s *priv, unsigned int rate)
 
 static int up_setup(struct uart_dev_s *dev)
 {
-#ifdef CONFIG_SUPPRESS_UART_CONFIG
+#ifndef CONFIG_SUPPRESS_UART_CONFIG
   struct up_dev_s *priv = dev->priv;
   unsigned int cval;
 

arch/dm320/src/up_serial.c

@@ -281,7 +281,7 @@ static inline void up_enablebreaks(struct up_dev_s *priv, boolean enable)
 
 static int up_setup(struct uart_dev_s *dev)
 {
-#ifdef CONFIG_SUPPRESS_UART_CONFIG
+#ifndef CONFIG_SUPPRESS_UART_CONFIG
   struct up_dev_s *priv = (struct up_dev_s*)dev->priv;
   uint16 brsr;
 

arch/z16/src/z16f/chip.h

@@ -517,12 +517,12 @@
 /* Register access macros ***********************************************************/
 
 #ifndef __ASSEMBLY__
-# define getreg8(a)           (*(ubyte volatile _Near*)((a) & 0xffff))
+# define getreg8(a)           (*(ubyte volatile _Near*)(a))
-# define putreg8(v,a)         (*(ubyte volatile _Near*)((a) & 0xffff) = (v))
+# define putreg8(v,a)         (*(ubyte volatile _Near*)(a) = (v))
-# define getreg16(a)          (*(uint16 volatile _Near*)((a) & 0xffff))
+# define getreg16(a)          (*(uint16 volatile _Near*)(a))
-# define putreg16(v,a)        (*(uint16 volatile _Near*)((a) & 0xffff) = (v))
+# define putreg16(v,a)        (*(uint16 volatile _Near*)(a) = (v))
-# define getreg32(a)          (*(uint32 volatile _Near*)((a) & 0xffff))
+# define getreg32(a)          (*(uint32 volatile _Near*)(a))
-# define putreg32(v,a)        (*(uint32 volatile _Near*)((a) & 0xffff) = (v))
+# define putreg32(v,a)        (*(uint32 volatile _Near*)(a) = (v))
 #endif /* __ASSEMBLY__ */
 
 /************************************************************************************

arch/z16/src/z16f/z16f_head.S

@@ -50,14 +50,11 @@
 #ifdef CONFIG_ARCH_LEDS
 	xref	_up_ledinit:EROM
 #endif
-#if defined(CONFIG_DEV_CONSOLE) && CONFIG_NFILE_DESCRIPTORS > 0
+#if defined(CONFIG_ARCH_LOWPUTC) || defined(CONFIG_ARCH_LOWGETC) || CONFIG_NFILE_DESCRIPTORS == 0
-	xref	_up_earlyserialinit:EROM
-#endif
-#if defined(CONFIG_ARCH_LOWPUTC) || defined(CONFIG_ARCH_LOWGETC)
 	xref	_z16f_lowuartinit:EROM
 #endif
 #if defined(CONFIG_DEV_CONSOLE) && CONFIG_NFILE_DESCRIPTORS > 0
-	xref	up_earlyserialinit:EROM
+	xref	_up_earlyserialinit:EROM
 #endif
 	xref	_os_start:EROM
 	xref	_up_doirq:EROM

arch/z16/src/z16f/z16f_serial.c

@@ -298,7 +298,7 @@ static void z16f_waittx(struct uart_dev_s *dev, boolean (*status)(struct uart_de
 
 static int z16f_setup(struct uart_dev_s *dev)
 {
-#ifdef CONFIG_SUPPRESS_UART_CONFIG
+#ifndef CONFIG_SUPPRESS_UART_CONFIG
   struct z16f_uart_s *priv = (struct z16f_uart_s*)dev->priv;
   uint32 brg;
   ubyte ctl0;

include/nuttx/fs.h

@@ -177,6 +177,19 @@ struct mountpt_operations
 };
 #endif /* CONFIG_DISABLE_MOUNTPOUNT */
 
+/* These are the various kinds of operations that can be associated with
+ * an inode.
+ */
+
+union inode_ops_u
+{
+  FAR const struct file_operations    *i_ops;  /* Driver operations for inode */
+#ifndef CONFIG_DISABLE_MOUNTPOUNT
+  FAR const struct block_operations   *i_bops; /* Block driver operations */
+  FAR const struct mountpt_operations *i_mops; /* Operations on a mountpoint */
+#endif
+};
+
 /* This structure represents one inode in the Nuttx psuedo-file system */
 
 struct inode
@@ -184,15 +197,8 @@ struct inode
   FAR struct inode *i_peer;       /* Pointer to same level inode */
   FAR struct inode *i_child;      /* Pointer to lower level inode */
   sint16            i_crefs;      /* References to inode */
-  uint16                       i_flags;      /* flags for inode */
+  uint16            i_flags;      /* Flags for inode */
-  union
+  union inode_ops_u u;            /* Inode operations */
-  {
-    const struct file_operations    *i_ops;  /* Driver operations for inode */
-#ifndef CONFIG_DISABLE_MOUNTPOUNT
-    const struct block_operations   *i_bops; /* Block driver operations */
-    const struct mountpt_operations *i_mops; /* Operations on a mountpoint */
-#endif
-  } u;
 #ifdef CONFIG_FILE_MODE
   mode_t            i_mode;       /* Access mode flags */
 #endif

include/nuttx/serial.h

@@ -194,8 +194,8 @@ struct uart_dev_s
 					 * for sapce in recv.buffer */
   struct uart_buffer_s xmit;		/* Describes transmit buffer */
   struct uart_buffer_s recv;		/* Describes receive buffer */
-  const struct uart_ops_s *ops;		/* Arch-specifics operations */
+  FAR const struct uart_ops_s *ops;	/* Arch-specific operations */
-  void     *priv;			/* Used by the arch-specific logic */
+  FAR void *priv;			/* Used by the arch-specific logic */
 };
 typedef struct uart_dev_s uart_dev_t;