diff options
| author | fishsoupisgood <github@madingley.org> | 2019-04-29 01:17:54 +0100 |
|---|---|---|
| committer | fishsoupisgood <github@madingley.org> | 2019-05-27 03:43:43 +0100 |
| commit | 3f2546b2ef55b661fd8dd69682b38992225e86f6 (patch) | |
| tree | 65ca85f13617aee1dce474596800950f266a456c /roms/u-boot/arch/arm/cpu/arm920t/at91/reset.c | |
| download | qemu-master.tar.gz qemu-master.tar.bz2 qemu-master.zip | |
Diffstat (limited to 'roms/u-boot/arch/arm/cpu/arm920t/at91/reset.c')
| -rw-r--r-- | roms/u-boot/arch/arm/cpu/arm920t/at91/reset.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/roms/u-boot/arch/arm/cpu/arm920t/at91/reset.c b/roms/u-boot/arch/arm/cpu/arm920t/at91/reset.c new file mode 100644 index 00000000..d47777a3 --- /dev/null +++ b/roms/u-boot/arch/arm/cpu/arm920t/at91/reset.c @@ -0,0 +1,41 @@ +/* + * (C) Copyright 2002 + * Lineo, Inc. <www.lineo.com> + * Bernhard Kuhn <bkuhn@lineo.com> + * + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Marius Groeger <mgroeger@sysgo.de> + * + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Alex Zuepke <azu@sysgo.de> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/hardware.h> +#include <asm/arch/at91_st.h> + +void __attribute__((weak)) board_reset(void) +{ + /* true empty function for defining weak symbol */ +} + +void reset_cpu(ulong ignored) +{ + at91_st_t *st = (at91_st_t *) ATMEL_BASE_ST; + + board_reset(); + + /* Reset the cpu by setting up the watchdog timer */ + writel(AT91_ST_WDMR_RSTEN | AT91_ST_WDMR_EXTEN | AT91_ST_WDMR_WDV(2), + &st->wdmr); + writel(AT91_ST_CR_WDRST, &st->cr); + /* and let it timeout */ + while (1) + ; + /* Never reached */ +} |