Add more HC12 common files

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2306 42af7a65-404d-4744-a932-0658087f49c3

1 files changed, 213 insertions, 0 deletions

diff --git a/nuttx/arch/hc/src/common/up_internal.h b/nuttx/arch/hc/src/common/up_internal.h
new file mode 100755
index 000000000..ada4bf8fe
--- /dev/null
+++ b/nuttx/arch/hc/src/common/up_internal.h
@@ -0,0 +1,213 @@
+/****************************************************************************
+ * arch/hc/src/common/up_internal.h
+ *
+ *   Copyright (C) 2009 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+#ifndef __UP_INTERNAL_H
+#define __UP_INTERNAL_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+/****************************************************************************
+ * Definitions
+ ****************************************************************************/
+
+/* Bring-up debug configurations.  These are here (vs defconfig)
+ * because these should only be controlled during low level
+ * board bring-up and not part of normal platform configuration.
+ */
+
+#undef  CONFIG_SUPPRESS_INTERRUPTS    /* DEFINED: Do not enable interrupts */
+#undef  CONFIG_SUPPRESS_TIMER_INTS    /* DEFINED: No timer */
+#undef  CONFIG_SUPPRESS_SERIAL_INTS   /* DEFINED: Console will poll */
+#undef  CONFIG_SUPPRESS_UART_CONFIG   /* DEFINED: Do not reconfig UART */
+#undef  CONFIG_DUMP_ON_EXIT           /* DEFINED: Dump task state on exit */
+
+/* Determine which (if any) console driver to use */
+
+#if CONFIG_NFILE_DESCRIPTORS == 0 || defined(CONFIG_DEV_LOWCONSOLE)
+#  undef CONFIG_USE_SERIALDRIVER
+#  undef CONFIG_USE_EARLYSERIALINIT
+#elif defined(CONFIG_DEV_CONSOLE) && CONFIG_NFILE_DESCRIPTORS > 0
+#  define CONFIG_USE_SERIALDRIVER 1
+#  define CONFIG_USE_EARLYSERIALINIT 1
+#endif
+
+/* Check if an interrupt stack size is configured */
+
+#ifndef CONFIG_ARCH_INTERRUPTSTACK
+# define CONFIG_ARCH_INTERRUPTSTACK 0
+#endif
+
+/* Macros to handle saving and restore interrupt state.  In the current CPU12
+ * model, the state is copied from the stack to the TCB, but only
+ * a referenced is passed to get the state from the TCB.
+ */
+
+#define up_savestate(regs)    up_copystate(regs, current_regs)
+#define up_restorestate(regs) (current_regs = regs)
+
+/****************************************************************************
+ * Public Types
+ ****************************************************************************/
+
+#ifndef __ASSEMBLY__
+typedef void (*up_vector_t)(void);
+#endif
+
+/****************************************************************************
+ * Public Variables
+ ****************************************************************************/
+
+#ifndef __ASSEMBLY__
+/* This holds a references to the current interrupt level register storage
+ * structure.  If is non-NULL only during interrupt processing.
+ */
+
+extern uint16 *current_regs;
+
+/* This is the beginning of heap as provided from processor-specific logic.
+ * This is the first address in RAM after the loaded program+bss+idle stack.
+ * The end of the heap is CONFIG_DRAM_END
+ */
+
+extern uint16 g_heapbase;
+
+/* Address of the saved user stack pointer */
+
+#if CONFIG_ARCH_INTERRUPTSTACK > 1
+extern uint32 g_userstack;
+#endif
+
+/****************************************************************************
+ * Inline Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/* Start-up functions */
+
+extern void up_boot(void);
+
+/* Context switching functions */
+
+extern void up_copystate(uint32 *dest, uint32 *src);
+extern void up_decodeirq(uint32 *regs);
+extern void up_irqinitialize(void);
+extern int  up_saveusercontext(uint32 *saveregs);
+extern void up_fullcontextrestore(uint32 *restoreregs) __attribute__ ((noreturn));
+extern void up_switchcontext(uint32 *saveregs, uint32 *restoreregs);
+
+/* Interrupt handling */
+
+extern uint16 *up_doirq(int irq, uint32 *regs);
+extern void up_maskack_irq(int irq);
+
+/* Signal handling */
+
+extern void up_sigdeliver(void);
+
+/* System timer initialization */
+
+extern void up_timerinit(void);
+extern int  up_timerisr(int irq, uint32 *regs);
+
+/* Debug output */
+
+#if CONFIG_NFILE_DESCRIPTORS > 0
+extern void up_earlyserialinit(void);
+extern void up_serialinit(void);
+#else
+# define up_earlyserialinit()
+# define up_serialinit()
+#endif
+
+#ifdef CONFIG_DEV_LOWCONSOLE
+extern void lowconsole_init(void);
+#else
+# define lowconsole_init()
+#endif
+
+extern void up_lowputc(char ch);
+extern void up_puts(const char *str);
+extern void up_lowputs(const char *str);
+
+/* Memory configuration */
+
+#if CONFIG_MM_REGIONS > 1
+void up_addregion(void);
+#else
+# define up_addregion()
+#endif
+
+/* Sub-system/driver initialization */
+
+#ifdef CONFIG_ARCH_DMA
+extern void weak_function up_dmainitialize(void);
+#endif
+
+extern void up_wdtinit(void);
+
+#ifdef CONFIG_NET
+extern void up_netinitialize(void);
+#else
+# define up_netinitialize()
+#endif
+
+#ifdef CONFIG_USBDEV
+extern void up_usbinitialize(void);
+extern void up_usbuninitialize(void);
+#else
+# define up_usbinitialize()
+# define up_usbuninitialize()
+#endif
+
+/* Board-specific functions */
+
+#ifdef CONFIG_ARCH_LEDS
+extern void up_ledinit(void);
+extern void up_ledon(int led);
+extern void up_ledoff(int led);
+#else
+# define up_ledinit()
+# define up_ledon(led)
+# define up_ledoff(led)
+#endif
+
+#endif /* __ASSEMBLY__ */
+
+#endif  /* __UP_INTERNAL_H */