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stm32mp1: Add DDR support and its security with TZC400

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The DDR driver is under dual license, BSD and GPLv2.
The configuration parameters are taken from device tree.

Signed-off-by: Yann Gautier <yann.gautier@st.com>
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Signed-off-by: Nicolas Le Bayon <nicolas.le.bayon@st.com>
Signed-off-by: Lionel Debieve <lionel.debieve@st.com>
This commit is contained in:
Yann Gautier 2018-07-24 17:18:19 +02:00
parent e4f559ff54
commit 10a511ceaa
14 changed files with 1960 additions and 1 deletions
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20
drivers/st/ddr/stm32mp1_ddr_helpers.c Normal file
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/*
* Copyright (c) 2017-2018, STMicroelectronics - All Rights Reserved
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <mmio.h>
#include <platform_def.h>
#include <stm32mp1_ddr_helpers.h>
#include <stm32mp1_rcc.h>
void ddr_enable_clock(void)
{
mmio_setbits_32(RCC_BASE + RCC_DDRITFCR,
RCC_DDRITFCR_DDRC1EN |
RCC_DDRITFCR_DDRC2EN |
RCC_DDRITFCR_DDRPHYCEN |
RCC_DDRITFCR_DDRPHYCAPBEN |
RCC_DDRITFCR_DDRCAPBEN);
}