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- /* SPDX-License-Identifier: GPL-2.0+ */
- /*
- * Copyright (C) 2011 Andes Technology Corporation
- * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com>
- */
- #include <asm/arch-ag101/ag101.h>
- #include <linux/linkage.h>
- .text
- #ifndef CONFIG_SKIP_TRUNOFF_WATCHDOG
- ENTRY(turnoff_watchdog)
- #define WD_CR 0xC
- #define WD_ENABLE 0x1
- ! Turn off the watchdog, according to Faraday FTWDT010 spec
- li $p0, (CONFIG_FTWDT010_BASE+WD_CR) ! Get the addr of WD CR
- lwi $p1, [$p0] ! Get the config of WD
- andi $p1, $p1, 0x1f ! Wipe out useless bits
- li $r0, ~WD_ENABLE
- and $p1, $p1, $r0 ! Set WD disable
- sw $p1, [$p0] ! Write back to WD CR
- ! Disable Interrupts by clear GIE in $PSW reg
- setgie.d
- ret
- ENDPROC(turnoff_watchdog)
- #endif
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