| /* 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 |
