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/*
* Copyright (c) 2016 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Dornierstr. 4
* 82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#include <libcpu/powerpc-utility.h>
#define FIRST_TLB 0
#define SCRATCH_TLB QORIQ_TLB1_ENTRY_COUNT - 1
.global qoriq_restart_secondary_processor
.section ".bsp_start_text", "ax"
qoriq_restart_secondary_processor:
mr r14, r3
/* Invalidate all TS1 MMU entries */
li r3, 1
bl qoriq_tlb1_invalidate_all_by_ts
/* Add TS1 entry for the first 4GiB of RAM */
li r3, SCRATCH_TLB
li r4, FSL_EIS_MAS1_TS
li r5, FSL_EIS_MAS2_I
li r6, FSL_EIS_MAS3_SR | FSL_EIS_MAS3_SW | FSL_EIS_MAS3_SX
li r7, 0
li r8, 0
li r9, 11
bl qoriq_tlb1_write
bl qoriq_l1cache_invalidate
/* Set MSR and use TS1 for address translation */
LWI r0, QORIQ_INITIAL_MSR | MSR_IS | MSR_DS
mtmsr r0
isync
/* Invalidate all TS0 MMU entries */
li r3, 0
bl qoriq_tlb1_invalidate_all_by_ts
/* Add TS0 entry for the first 4GiB of RAM */
li r3, FIRST_TLB
li r4, 0
li r5, FSL_EIS_MAS2_I
li r6, FSL_EIS_MAS3_SR | FSL_EIS_MAS3_SW | FSL_EIS_MAS3_SX
li r7, 0
li r8, 0
li r9, 11
bl qoriq_tlb1_write
/* Use TS0 for address translation */
LWI r0, QORIQ_INITIAL_MSR
mtmsr r0
isync
bl qoriq_l1cache_invalidate
/* Wait for restart request */
li r0, 0
.Lrestartagain:
lwz r4, 4(r14)
cmpw r0, r4
beq .Lrestartagain
isync
mtctr r4
lwz r3, 12(r14)
bctr
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