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https://github.com/brain-hackers/u-boot-brain
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c0bc2a7e06
In preparation of DM watchdog, move basic actions into drivers/watchdog Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
22 lines
435 B
C
22 lines
435 B
C
/*
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* Copyright 2017 CS Systemes d'Information
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <mpc8xx.h>
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#include <asm/cpm_8xx.h>
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#include <asm/io.h>
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DECLARE_GLOBAL_DATA_PTR;
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void hw_watchdog_reset(void)
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{
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immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
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out_be16(&immap->im_siu_conf.sc_swsr, 0x556c); /* write magic1 */
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out_be16(&immap->im_siu_conf.sc_swsr, 0xaa39); /* write magic2 */
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}
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