| /* |
| * Processor reset using WDT for TI TMS320DM644x SoC. |
| * |
| * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net> |
| * |
| * ----------------------------------------------------- |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation; either version 2 of |
| * the License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| * MA 02111-1307 USA |
| */ |
| |
| .globl reset_cpu |
| reset_cpu: |
| ldr r0, WDT_TGCR |
| mov r1, $0x08 |
| str r1, [r0] |
| ldr r1, [r0] |
| orr r1, r1, $0x03 |
| str r1, [r0] |
| mov r1, $0 |
| ldr r0, WDT_TIM12 |
| str r1, [r0] |
| ldr r0, WDT_TIM34 |
| str r1, [r0] |
| ldr r0, WDT_PRD12 |
| str r1, [r0] |
| ldr r0, WDT_PRD34 |
| str r1, [r0] |
| ldr r0, WDT_TCR |
| ldr r1, [r0] |
| orr r1, r1, $0x40 |
| str r1, [r0] |
| ldr r0, WDT_WDTCR |
| ldr r1, [r0] |
| orr r1, r1, $0x4000 |
| str r1, [r0] |
| ldr r1, WDTCR_VAL1 |
| str r1, [r0] |
| ldr r1, WDTCR_VAL2 |
| str r1, [r0] |
| nop |
| nop |
| nop |
| nop |
| reset_cpu_loop: |
| b reset_cpu_loop |
| |
| WDT_TGCR: |
| .word 0x01c21c24 |
| WDT_TIM12: |
| .word 0x01c21c10 |
| WDT_TIM34: |
| .word 0x01c21c14 |
| WDT_PRD12: |
| .word 0x01c21c18 |
| WDT_PRD34: |
| .word 0x01c21c1c |
| WDT_TCR: |
| .word 0x01c21c20 |
| WDT_WDTCR: |
| .word 0x01c21c28 |
| WDTCR_VAL1: |
| .word 0xa5c64000 |
| WDTCR_VAL2: |
| .word 0xda7e4000 |