mirror of
https://github.com/ARM-software/arm-trusted-firmware.git
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85135283f3
Move the Juno port from plat/juno to plat/arm/board/juno. Also rename some of the files so they are consistently prefixed with juno_. Update the platform makefiles accordingly. Change-Id: I0af6cb52a5fee7ef209107a1188b76a3c33a2a9f
61 lines
2.6 KiB
C
61 lines
2.6 KiB
C
/*
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* Copyright (c) 2014-2015, ARM Limited and Contributors. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* Neither the name of ARM nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <mmio.h>
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#include <plat_arm.h>
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#include <soc_css.h>
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#include "juno_def.h"
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/*******************************************************************************
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* Set up the MMU-401 SSD tables. The power-on configuration has all stream IDs
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* assigned to Non-Secure except some for the DMA-330. Assign those back to the
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* Non-Secure world as well, otherwise EL1 may end up erroneously generating
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* (untranslated) Secure transactions if it turns the SMMU on.
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******************************************************************************/
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static void init_mmu401(void)
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{
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uint32_t reg = mmio_read_32(MMU401_DMA330_BASE + MMU401_SSD_OFFSET);
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reg |= 0x1FF;
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mmio_write_32(MMU401_DMA330_BASE + MMU401_SSD_OFFSET, reg);
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}
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/*******************************************************************************
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* Initialize the secure environment.
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******************************************************************************/
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void plat_arm_security_setup(void)
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{
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/* Initialize the TrustZone Controller */
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arm_tzc_setup();
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/* Do ARM CSS SoC security setup */
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soc_css_security_setup();
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/* Initialize the SMMU SSD tables*/
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init_mmu401();
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}
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