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/*
ChibiOS - Copyright (C) 2006..2017 Giovanni Di Sirio
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
/**
* @file SAMA5D2/boot.S
* @brief SAMA5D2 boot-related code.
*
* @addtogroup SAMA5D2_BOOT
* @{
*/
#if !defined(__DOXYGEN__)
.set AIC_REDIR_KEY, 0x5B6C0E26 << 1
.set SFR_SN1, 0xF8030050
.set SFR_AICREDIR, 0xF8030054
.section .boot
.code 32
.balign 4
/*
* Boot initialization code
*/
.global Boot_Handler
Boot_Handler:
/*
* Set VBAR to system vectors table
*/
ldr r0, =_start
mcr p15, 0, r0, c12, c0, 0
/*
* Do not redirect secure interrupts to AIC
*/
ldr r0, =AIC_REDIR_KEY
ldr r1, =SFR_SN1
ldr r1, [r1]
eor r0, r0, r1
bic r0, r0, #0x1
ldr r1, =SFR_AICREDIR
str r0, [r1]
b Reset_Handler
#endif /* !defined(__DOXYGEN__) */
/** @} */
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