Mirrors_Framework/nuttx
1
0
Fork 0
mirror of https://github.com/apache/nuttx.git synced 2026-06-06 16:50:55 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

Add skeleton of AVR32 init

Browse Source 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2975 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
2010-10-08 01:34:16 +00:00
parent 25c1065882
commit 6ee68e07fe
11 changed files with 1212 additions and 45 deletions
Download Patch File Download Diff File Expand all files Collapse all files
arch/arm/src/stm32/stm32_serial.c
+2 -2
View File
@@ -1,7 +1,7 @@
/****************************************************************************
* arch/arm/src/stm32/stm32_serial.c
*
* Copyright (C) 2009 Gregory Nutt. All rights reserved.
* Copyright (C) 2009-2010 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* Redistribution and use in source and binary forms, with or without
@@ -340,7 +340,7 @@ static inline uint32_t up_serialin(struct up_dev_s *priv, int offset)
static inline void up_serialout(struct up_dev_s *priv, int offset, uint32_t value)
{
putreg16(value, priv->usartbase + offset);
putreg32(value, priv->usartbase + offset);
}
/****************************************************************************
arch/avr/src/at91uc3/Make.defs
+1 -1
View File
@@ -50,7 +50,7 @@ CMN_CSRCS = up_assert.c up_blocktask.c up_copystate.c up_createstack.c \
# Required AT91UC3 files
CHIP_ASRCS =
CHIP_CSRCS =
CHIP_CSRCS = at91uc3_lowinit.c at91uc3_serial.c
# Configuration-dependent AT91UC3 files
arch/avr/src/at91uc3/at91uc3_config.h
Executable
+125
View File
@@ -0,0 +1,125 @@
/************************************************************************************
* arch/avr/src/at91uc3/at91uc3_config.h
*
* Copyright (C) 2010 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 __ARCH_AVR_SRC_AT91UC3_AT91UC3_CONFIG_H
#define __ARCH_AVR_SRC_AT91UC3_AT91UC3_CONFIG_H
/************************************************************************************
* Included Files
************************************************************************************/
#include <nuttx/config.h>
#include "chip.h"
/************************************************************************************
* Pre-processor Definitions
************************************************************************************/
/* USART can be configured as a number of different devices (Only UART is supported
* here now, that will be extended). Check for consistency between USART enable
* options.
*/
#if AVR32_NUSART < 1
# undef CONFIG_AVR32_USART0
# undef CONFIG_AVR32_USART1
# undef CONFIG_AVR32_USART2
#endif
#if AVR32_NUSART < 2
# undef CONFIG_AVR32_USART1
# undef CONFIG_AVR32_USART2
#endif
#if AVR32_NUSART < 3
# undef CONFIG_AVR32_USART2
#endif
#ifndef CONFIG_AVR32_USART0
# undef CONFIG_AVR32_USART0_RS232
# undef CONFIG_AVR32_USART0_SPI
#endif
#ifndef CONFIG_AVR32_USART1
# undef CONFIG_AVR32_USART1_RS232
# undef CONFIG_AVR32_USART1_SPI
#endif
#ifndef CONFIG_AVR32_USART2
# undef CONFIG_AVR32_USART2_RS232
# undef CONFIG_AVR32_USART2_SPI
#endif
/* Is any UART configured? */
#if defined(CONFIG_AVR32_USART0_RS232) || \
defined(CONFIG_AVR32_USART1_RS232) || \
defined(CONFIG_AVR32_USART2_RS232)
# define HAVE_RS232_DEVICE
#else
# undef HAVE_RS232_DEVICE
#endif
/* Is there a serial console? */
#if defined(CONFIG_USART0_SERIAL_CONSOLE) && defined(CONFIG_AVR32_USART0_RS232)
# undef CONFIG_USART1_SERIAL_CONSOLE
# undef CONFIG_USART2_SERIAL_CONSOLE
# define HAVE_SERIAL_CONSOLE 1
#elif defined(CONFIG_USART1_SERIAL_CONSOLE) && defined(CONFIG_AVR32_USART10_RS232)
# undef CONFIG_USART0_SERIAL_CONSOLE
# undef CONFIG_USART2_SERIAL_CONSOLE
# define HAVE_SERIAL_CONSOLE 1
#elif defined(CONFIG_USART2_SERIAL_CONSOLE) && defined(CONFIG_AVR32_USART20_RS232)
# undef CONFIG_USART0_SERIAL_CONSOLE
# undef CONFIG_USART1_SERIAL_CONSOLE
# define HAVE_SERIAL_CONSOLE 1
#else
# undef CONFIG_USART0_SERIAL_CONSOLE
# undef CONFIG_USART1_SERIAL_CONSOLE
# undef CONFIG_USART2_SERIAL_CONSOLE
# undef HAVE_SERIAL_CONSOLE
#endif
/************************************************************************************
* Public Types
************************************************************************************/
/************************************************************************************
* Public Data
************************************************************************************/
/************************************************************************************
* Public Functions
************************************************************************************/
#endif /* __ARCH_AVR_SRC_AT91UC3_AT91UC3_CONFIG_H */
arch/avr/src/at91uc3/at91uc3_internal.h
+21
View File
@@ -58,5 +58,26 @@
* Public Functions
************************************************************************************/
/************************************************************************************
* Name: at91uc3_clkinit
*
* Description:
* Initialiaze clock/PLL settings per the definitions in the board.h file.
*
************************************************************************************/
extern void at91uc3_clkinitialize(void);
/************************************************************************************
* Name: at91uc3_boardinit
*
* Description:
* This function must be provided by the board-specific logic in the directory
* configs/<board-name>/up_boot.c.
*
************************************************************************************/
extern void at91uc3_boardinitialize(void);
#endif /* __ARCH_AVR_SRC_AVR32_AT91UC3_INTERNAL_H */
arch/avr/src/at91uc3/at91uc3_lowinit.c
+102
View File
@@ -0,0 +1,102 @@
/**************************************************************************
* arch/avr/src/at91uc3/at91uc3_lowinit.c
*
* Copyright (C) 2010 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.
*
**************************************************************************/
/**************************************************************************
* Included Files
**************************************************************************/
#include <nuttx/config.h>
#include "at91uc3_config.h"
#include "up_internal.h"
#include "at91uc3_internal.h"
/**************************************************************************
* Private Definitions
**************************************************************************/
/**************************************************************************
* Private Types
**************************************************************************/
/**************************************************************************
* Private Function Prototypes
**************************************************************************/
/**************************************************************************
* Global Variables
**************************************************************************/
/**************************************************************************
* Private Variables
**************************************************************************/
/**************************************************************************
* Private Functions
**************************************************************************/
/**************************************************************************
* Public Functions
**************************************************************************/
/**************************************************************************
* Name: up_lowinit
*
* Description:
* This performs basic initialization of the USART used for the serial
* console. Its purpose is to get the console output availabe as soon
* as possible.
*
**************************************************************************/
void up_lowinit(void)
{
/* Initialize MCU clocking */
at91uc3_clkinitialize();
/* Perform early serial initialization (so that we will have debug output
* available as soon as possible.
*/
up_earlyserialinit();
/* Perform board-level initialization */
at91uc3_boardinitialize();
}
arch/avr/src/at91uc3/at91uc3_serial.c
+921
View File
File diff suppressed because it is too large Load Diff
arch/avr/src/avr32/up_nommuhead.S
-25
View File
@@ -55,7 +55,6 @@
.global _eronly /* Start of .data section in FLASH */
#endif
.global up_lowinit /* Perform low level initialization */
.global up_boardinit /* Low-level board initialization */
.global os_start /* NuttX entry point */
.global vectors /* Vector base address */
@@ -63,20 +62,6 @@
* Macros
****************************************************************************/
#ifdef CONFIG_DEBUG
.macro showprogress, code
.endm
.macro doputc, code
mov r12, \code
mcall up_putc
.endm
#else
.macro showprogress, code
.endm
.macro doputc, code
.endm
#endif
/****************************************************************************
* OS Entry Point
****************************************************************************/
@@ -105,7 +90,6 @@ __start:
/* Enable exception processing */
csrf AVR32_SR_EM_SHIFT
showprogress 'A'
/* Clear system BSS section */
@@ -119,8 +103,6 @@ __start:
cp r0, r1 /* Finished? */
brlo 1b /* No... keep looping */
showprogress 'B'
/* Copy system .data sections to new home in RAM. */
#ifdef CONFIG_BOOT_RUNFROMFLASH
@@ -136,7 +118,6 @@ __start:
cp r0, r1 /* Finished? */
brlo 3b /* No... keep looping */
showprogress 'C'
#endif
/* Clear the frame pointer and link register since this is the outermost
@@ -150,12 +131,6 @@ __start:
mcall up_lowinit
doputc 'D'
/* Board specific early initialization */
mcall up_ledinit
/* Then jump to OS entry (will not return) */
rjmp os_start
arch/avr/src/common/up_internal.h
+15 -9
View File
@@ -175,7 +175,7 @@ extern uint32_t *up_va2pte(uintptr_t vaddr);
# define up_pginitialize()
#endif /* CONFIG_PAGING */
/* Defined in up_allocateheap.c */
/* Defined in common/up_allocateheap.c or chip/xxx_allocateheap.c */
#if CONFIG_MM_REGIONS > 1
void up_addregion(void);
@@ -183,7 +183,15 @@ void up_addregion(void);
# define up_addregion()
#endif
/* Defined in up_serial.c */
/* Defined in chip/xxx_lowinit.c. This function is called from the
* head.S file just before jumping to os_start(). This function
* performs whatever very low level initialization that is needed
* before the OS gets started (clocks, console, LEDs, etc.)
*/
extern void up_lowinit(void);
/* Defined in chip/xxx_serial.c */
#if CONFIG_NFILE_DESCRIPTORS > 0
extern void up_earlyserialinit(void);
@@ -201,27 +209,25 @@ extern void lowconsole_init(void);
# define lowconsole_init()
#endif
/* Defined in up_timerisr.c */
/* Defined in chip/xxx_timerisr.c */
extern void up_timerinit(void);
/* Defined in up_irq.c */
/* Defined in chip/xxx_irq.c */
extern void up_maskack_irq(int irq);
/* Defined in board/up_leds.c */
/* Defined in configs/<board-name>/src/up_leds.c */
#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
/* Defined in board/up_network.c */
/* Defined in chip/xxx_ethernet.c */
#ifdef CONFIG_NET
extern void up_netinitialize(void);
@@ -229,7 +235,7 @@ extern void up_netinitialize(void);
# define up_netinitialize()
#endif
/* Defined in board/up_ethernet.c */
/* Defined in chip/xxx_usbdev.c */
#ifdef CONFIG_USBDEV
extern void up_usbinitialize(void);
configs/avr32dev1/ostest/defconfig
+10 -4
View File
@@ -101,14 +101,20 @@ CONFIG_AVR32_AVRTOOLSL=n
#
# CONFIG_AVR32_USARTn - Enable support for USARTn
# CONFIG_AVR32_USARTn_RS232 - Configure USARTn as an RS232 interface.
# CONFIG_AVR32_USARTn_SPI - Configure USARTn as an SPI interface.
#
CONFIG_AVR32_USART0=y
CONFIG_AVR32_USART1=n
CONFIG_AVR32_USART2=n
CONFIG_AVR32_USART0_RS232=y
CONFIG_AVR32_USART1_RS232=y
CONFIG_AVR32_USART2_RS232=y
CONFIG_AVR32_USART0_SPI=n
CONFIG_AVR32_USART1=n
CONFIG_AVR32_USART1_RS232=n
CONFIG_AVR32_USART1_SPI=n
CONFIG_AVR32_USART2=n
CONFIG_AVR32_USART2_RS232=n
CONFIG_AVR32_USART2_SPI=n
#
# AVR32 specific serial device driver settings
configs/avr32dev1/src/avr32dev1_internal.h
+12 -1
View File
@@ -48,7 +48,7 @@
* Definitions
************************************************************************************/
/* AT91DEV1 GPIO Pin Definitions ****************************************************/
/* AVRDEV1 GPIO Pin Definitions *****************************************************/
/************************************************************************************
* Public Types
@@ -64,6 +64,17 @@
* Public Functions
************************************************************************************/
/************************************************************************************
* Name: avr32dev1_ledinitialize
*
* Description:
* Configure on-board LEDs if LED support has been selected.
************************************************************************************/
#ifdef CONFIG_ARCH_LEDS
extern void avr32dev1_ledinitialize(void);
#endif
#endif /* __ASSEMBLY__ */
#endif /* _CONFIGS_AT91DEV1_SRC_AT91DEV1_INTERNAL_H */
configs/avr32dev1/src/up_boot.c
+3 -3
View File
@@ -63,7 +63,7 @@
************************************************************************************/
/************************************************************************************
* Name: avr32_boardinitialize
* Name: at91uc3_boardinitialize
*
* Description:
* All AVR32 architectures must provide the following entry point. This entry point
@@ -72,13 +72,13 @@
*
************************************************************************************/
void avr32_boardinitialize(void)
void at91uc3_boardinitialize(void)
{
/* Configure SPI chip selects */
/* Configure on-board LEDs if LED support has been selected. */
#ifdef CONFIG_ARCH_LEDS
up_ledinit();
avr32dev1_ledinitialize();
#endif
}