/* * Copyright (C) 2011 Andes Technology Corporation * Macpaul Lin, Andes Technology Corporation * * SPDX-License-Identifier: GPL-2.0+ */ #include #include .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