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bsps/arm: Use common ARMv7-M bsp_reset()

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This commit is contained in:
Sebastian Huber
2016-01-12 14:44:10 +01:00
parent 2916a33057
commit b32a9cdc1e
6 changed files with 26 additions and 66 deletions
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2
c/src/lib/libbsp/arm/lm3s69xx/Makefile.am
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@@ -74,9 +74,9 @@ libbsp_a_SOURCES += ../../shared/src/stackalloc.c
# Startup # Startup
libbsp_a_SOURCES += ../shared/startup/bsp-start-memcpy.S libbsp_a_SOURCES += ../shared/startup/bsp-start-memcpy.S
libbsp_a_SOURCES += ../shared/armv7m/startup/bspreset.c
libbsp_a_SOURCES += startup/bspstart.c libbsp_a_SOURCES += startup/bspstart.c
libbsp_a_SOURCES += startup/bspstarthook.c libbsp_a_SOURCES += startup/bspstarthook.c
libbsp_a_SOURCES += startup/bspreset.c
libbsp_a_SOURCES += startup/io.c libbsp_a_SOURCES += startup/io.c
libbsp_a_SOURCES += startup/syscon.c libbsp_a_SOURCES += startup/syscon.c

2
c/src/lib/libbsp/arm/lpc176x/Makefile.am
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@@ -102,7 +102,7 @@ libbsp_a_SOURCES += ../../shared/src/uart-output-char.c
# Startup # Startup
libbsp_a_SOURCES += ../shared/startup/bsp-start-memcpy.S libbsp_a_SOURCES += ../shared/startup/bsp-start-memcpy.S
libbsp_a_SOURCES += startup/bspreset.c libbsp_a_SOURCES += ../shared/armv7m/startup/bspreset.c
libbsp_a_SOURCES += startup/bspstart.c libbsp_a_SOURCES += startup/bspstart.c
# IRQ # IRQ

43
c/src/lib/libbsp/arm/lpc176x/startup/bspreset.c
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@@ -1,43 +0,0 @@
/**
* @file
*
* @ingroup lpc176x
*
* @brief Reset code.
*/
/*
* Copyright (c) 2008-2013 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Obere Lagerstr. 30
* 82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#include <rtems.h>
#include <rtems/score/armv7m.h>
#include <bsp/bootcard.h>
#include <bsp/lpc176x.h>
#include <bsp/start.h>
BSP_START_TEXT_SECTION __attribute__( ( flatten ) ) void bsp_reset( void )
{
rtems_interrupt_level level;
(void) level;
rtems_interrupt_disable( level );
_ARMV7M_SCB->aircr = ARMV7M_SCB_AIRCR_VECTKEY |
ARMV7M_SCB_AIRCR_SYSRESETREQ;
while ( true ) {
/* Do nothing */
}
}

3
c/src/lib/libbsp/arm/lpc24xx/Makefile.am
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@@ -105,7 +105,8 @@ libbsp_a_SOURCES += ../../shared/cpucounterdiff.c
# Startup # Startup
libbsp_a_SOURCES += ../shared/startup/bsp-start-memcpy.S libbsp_a_SOURCES += ../shared/startup/bsp-start-memcpy.S
libbsp_a_SOURCES += startup/bspreset.c libbsp_a_SOURCES += ../shared/armv7m/startup/bspreset.c
libbsp_a_SOURCES += startup/bspreset-armv4.c
libbsp_a_SOURCES += startup/bspstart.c libbsp_a_SOURCES += startup/bspstart.c
# IRQ # IRQ

21
c/src/lib/libbsp/arm/lpc24xx/startup/bspreset.c → c/src/lib/libbsp/arm/lpc24xx/startup/bspreset-armv4.c
View File

@@ -27,6 +27,8 @@
#include <bsp/lpc24xx.h> #include <bsp/lpc24xx.h>
#include <bsp/start.h> #include <bsp/start.h>
#ifdef ARM_MULTILIB_ARCH_V4
BSP_START_TEXT_SECTION __attribute__((flatten)) void bsp_reset(void) BSP_START_TEXT_SECTION __attribute__((flatten)) void bsp_reset(void)
{ {
rtems_interrupt_level level; rtems_interrupt_level level;
@@ -34,19 +36,16 @@ BSP_START_TEXT_SECTION __attribute__((flatten)) void bsp_reset(void)
(void) level; (void) level;
rtems_interrupt_disable(level); rtems_interrupt_disable(level);
#if defined(ARM_MULTILIB_ARCH_V4) /* Trigger watchdog reset */
/* Trigger watchdog reset */ WDCLKSEL = 0;
WDCLKSEL = 0; WDTC = 0xff;
WDTC = 0xff; WDMOD = 0x3;
WDMOD = 0x3; WDFEED = 0xaa;
WDFEED = 0xaa; WDFEED = 0x55;
WDFEED = 0x55;
#elif defined(ARM_MULTILIB_ARCH_V7M)
_ARMV7M_SCB->aircr = ARMV7M_SCB_AIRCR_VECTKEY
| ARMV7M_SCB_AIRCR_SYSRESETREQ;
#endif
while (true) { while (true) {
/* Do nothing */ /* Do nothing */
} }
} }
#endif /* ARM_MULTILIB_ARCH_V4 */

21
c/src/lib/libbsp/arm/lm3s69xx/startup/bspreset.c → c/src/lib/libbsp/arm/shared/armv7m/startup/bspreset.c
View File

@@ -1,10 +1,8 @@
/* /*
* Copyright © 2013 Eugeniy Meshcheryakov <eugen@debian.org> * Copyright (c) 2015 embedded brains GmbH. All rights reserved.
*
* Copyright (c) 2011 Sebastian Huber. All rights reserved.
* *
* embedded brains GmbH * embedded brains GmbH
* Obere Lagerstr. 30 * Dornierstr. 4
* 82178 Puchheim * 82178 Puchheim
* Germany * Germany
* <rtems@embedded-brains.de> * <rtems@embedded-brains.de>
@@ -14,22 +12,27 @@
* http://www.rtems.org/license/LICENSE. * http://www.rtems.org/license/LICENSE.
*/ */
#include <rtems.h> #include <rtems.h>
#include <rtems/score/armv7m.h> #include <rtems/score/armv7m.h>
#include <bsp/bootcard.h> #include <bsp/bootcard.h>
#include <bsp/start.h>
void bsp_reset(void) #ifdef ARM_MULTILIB_ARCH_V7M
BSP_START_TEXT_SECTION __attribute__((flatten)) void bsp_reset(void)
{ {
rtems_interrupt_level level; rtems_interrupt_level level;
rtems_interrupt_local_disable(level);
(void) level; (void) level;
rtems_interrupt_disable(level);
_ARMV7M_SCB->aircr = ARMV7M_SCB_AIRCR_VECTKEY _ARMV7M_SCB->aircr = ARMV7M_SCB_AIRCR_VECTKEY
| ARMV7M_SCB_AIRCR_SYSRESETREQ; | ARMV7M_SCB_AIRCR_SYSRESETREQ;
while (true) while (true) {
/* Do nothing */; /* Do nothing */
}
} }
#endif /* ARM_MULTILIB_ARCH_V7M */