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author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2016-01-12 14:44:10 +0100 |
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committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2016-01-19 08:36:19 +0100 |
commit | b32a9cdc1eb893886f21be01bc0a5c1367b6e8be (patch) | |
tree | d36dad20fce59ba5916e0809d968e7aa76603ef4 /c/src/lib/libbsp/arm/lpc24xx/startup/bspreset-armv4.c | |
parent | bsps/arm: Update CMSIS/Include (diff) | |
download | rtems-b32a9cdc1eb893886f21be01bc0a5c1367b6e8be.tar.bz2 |
bsps/arm: Use common ARMv7-M bsp_reset()
Diffstat (limited to 'c/src/lib/libbsp/arm/lpc24xx/startup/bspreset-armv4.c')
-rw-r--r-- | c/src/lib/libbsp/arm/lpc24xx/startup/bspreset-armv4.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/arm/lpc24xx/startup/bspreset-armv4.c b/c/src/lib/libbsp/arm/lpc24xx/startup/bspreset-armv4.c new file mode 100644 index 0000000000..c53b4e2447 --- /dev/null +++ b/c/src/lib/libbsp/arm/lpc24xx/startup/bspreset-armv4.c @@ -0,0 +1,51 @@ +/** + * @file + * + * @ingroup lpc24xx + * + * @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/lpc24xx.h> +#include <bsp/start.h> + +#ifdef ARM_MULTILIB_ARCH_V4 + +BSP_START_TEXT_SECTION __attribute__((flatten)) void bsp_reset(void) +{ + rtems_interrupt_level level; + + (void) level; + rtems_interrupt_disable(level); + + /* Trigger watchdog reset */ + WDCLKSEL = 0; + WDTC = 0xff; + WDMOD = 0x3; + WDFEED = 0xaa; + WDFEED = 0x55; + + while (true) { + /* Do nothing */ + } +} + +#endif /* ARM_MULTILIB_ARCH_V4 */ |