168 lines
5.4 KiB
C
168 lines
5.4 KiB
C
/************************************************************
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* up_internal.h
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*
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* Copyright (C) 2007 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name Gregory Nutt nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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************************************************************/
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#ifndef __UP_INTERNAL_H
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#define __UP_INTERNAL_H
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/************************************************************
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* Included Files
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************************************************************/
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/************************************************************
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* Definitions
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************************************************************/
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/* Bring-up debug configurations. These are here (vs defconfig)
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* because these should only be controlled during low level
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* board bring-up and not part of normal platform configuration.
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*/
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#undef CONFIG_SUPPRESS_INTERRUPTS /* Do not enable interrupts */
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#undef CONFIG_SUPPRESS_TIMER_INTS /* No timer */
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#undef CONFIG_SUPPRESS_SERIAL_INTS /* Console will poll */
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#undef CONFIG_SUPPRESS_UART_CONFIG /* Do not reconfig UART */
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#undef CONFIG_DUMP_ON_EXIT /* Dumpt task state on exit */
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/* LED definitions */
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#define LED_STARTED 0
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#define LED_HEAPALLOCATE 1
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#define LED_IRQSENABLED 2
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#define LED_STACKCREATED 3
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#define LED_INIRQ 4
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#define LED_SIGNAL 5
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#define LED_ASSERTION 6
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#define LED_PANIC 7
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/************************************************************
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* Public Types
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************************************************************/
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#ifndef __ASSEMBLY__
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typedef void (*up_vector_t)(void);
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#endif
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/************************************************************
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* Public Variables
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************************************************************/
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#ifndef __ASSEMBLY__
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/* This holds a references to the current interrupt level
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* register storage structure. If is non-NULL only during
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* interrupt processing.
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*/
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extern uint32 *current_regs;
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/* This is the beginning of heap as provided from up_head.S.
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* This is the first address in DRAM after the loaded
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* program+bss+idle stack. The end of the heap is
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* CONFIG_DRAM_END
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*/
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extern uint32 g_heapbase;
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#endif
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/************************************************************
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* Inline Functions
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************************************************************/
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/************************************************************
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* Public Functions
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************************************************************/
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#ifndef __ASSEMBLY__
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/* Defined in files with the same name as the function */
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extern void up_copystate(uint32 *dest, uint32 *src);
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extern void up_dataabort(uint32 *regs);
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extern void up_delay(int milliseconds);
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extern void up_doirq(int irq, uint32* regs);
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extern void up_fullcontextrestore(uint32 *regs) __attribute__ ((noreturn));
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extern void up_irqinitialize(void);
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extern void up_prefetchabort(uint32 *regs);
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extern int up_saveusercontext(uint32 *regs);
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extern void up_sigdeliver(void);
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extern void up_syscall(uint32 *regs);
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extern int up_timerisr(int irq, uint32 *regs);
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extern void up_undefinedinsn(uint32 *regs);
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#ifdef CONFIG_DEBUG
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extern void up_lowputc(char ch);
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#else
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# define up_lowputc(ch)
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#endif
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/* Defined in up_vectors.S */
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extern void up_vectorundefinsn(void);
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extern void up_vectorswi(void);
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extern void up_vectorprefetch(void);
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extern void up_vectordata(void);
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extern void up_vectoraddrexcptn(void);
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extern void up_vectorirq(void);
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extern void up_vectorfiq(void);
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/* Defined in up_serial.c */
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extern void up_earlyserialinit(void);
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extern void up_serialinit(void);
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/* Defined in up_timerisr.c */
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extern void up_timerinit(void);
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/* Defined in up_irq.c */
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extern void up_maskack_irq(int irq);
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/* Defined in up_leds.c */
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#ifdef CONFIG_C5471_LEDS
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extern void up_ledinit(void);
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extern void up_ledon(int led);
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extern void up_ledoff(int led);
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#else
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# define up_ledinit()
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# define up_ledon(led)
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# define up_ledoff(led)
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* __UP_INTERNAL_H */
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