blob: f9386cadedce77c772ec11d5db57129dd1097883 [file] [log] [blame]
Juan Castillo6b672f52014-09-04 14:43:09 +01001/*
Dan Handley7bef8002015-03-19 19:22:44 +00002 * Copyright (c) 2014-2015, ARM Limited and Contributors. All rights reserved.
Juan Castillo6b672f52014-09-04 14:43:09 +01003 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
6 *
7 * Redistributions of source code must retain the above copyright notice, this
8 * list of conditions and the following disclaimer.
9 *
10 * Redistributions in binary form must reproduce the above copyright notice,
11 * this list of conditions and the following disclaimer in the documentation
12 * and/or other materials provided with the distribution.
13 *
14 * Neither the name of ARM nor the names of its contributors may be used
15 * to endorse or promote products derived from this software without specific
16 * prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
29 */
30
Robin Murphy0f1d6662015-01-09 14:30:58 +000031#include <mmio.h>
Vikram Kanigiriaf2bc5f2015-08-03 23:58:19 +010032#include <nic_400.h>
Dan Handley7bef8002015-03-19 19:22:44 +000033#include <plat_arm.h>
34#include <soc_css.h>
Juan Castillo6b672f52014-09-04 14:43:09 +010035#include "juno_def.h"
36
Juan Castillo6b672f52014-09-04 14:43:09 +010037
38/*******************************************************************************
Robin Murphy0f1d6662015-01-09 14:30:58 +000039 * Set up the MMU-401 SSD tables. The power-on configuration has all stream IDs
40 * assigned to Non-Secure except some for the DMA-330. Assign those back to the
41 * Non-Secure world as well, otherwise EL1 may end up erroneously generating
42 * (untranslated) Secure transactions if it turns the SMMU on.
43 ******************************************************************************/
44static void init_mmu401(void)
45{
46 uint32_t reg = mmio_read_32(MMU401_DMA330_BASE + MMU401_SSD_OFFSET);
47 reg |= 0x1FF;
48 mmio_write_32(MMU401_DMA330_BASE + MMU401_SSD_OFFSET, reg);
49}
50
51/*******************************************************************************
Vikram Kanigiriaf2bc5f2015-08-03 23:58:19 +010052 * Program CSS-NIC400 to allow non-secure access to some CSS regions.
53 ******************************************************************************/
54static void css_init_nic400(void)
55{
56 /* Note: This is the NIC-400 device on the CSS */
57 mmio_write_32(PLAT_SOC_CSS_NIC400_BASE +
58 NIC400_ADDR_CTRL_SECURITY_REG(CSS_NIC400_SLAVE_BOOTSECURE),
59 ~0);
60}
61
62/*******************************************************************************
Dan Handley7bef8002015-03-19 19:22:44 +000063 * Initialize the secure environment.
Juan Castillo6b672f52014-09-04 14:43:09 +010064 ******************************************************************************/
Dan Handley7bef8002015-03-19 19:22:44 +000065void plat_arm_security_setup(void)
Juan Castillo6b672f52014-09-04 14:43:09 +010066{
67 /* Initialize the TrustZone Controller */
Dan Handley7bef8002015-03-19 19:22:44 +000068 arm_tzc_setup();
Vikram Kanigiriaf2bc5f2015-08-03 23:58:19 +010069 /* Do ARM CSS internal NIC setup */
70 css_init_nic400();
Dan Handley7bef8002015-03-19 19:22:44 +000071 /* Do ARM CSS SoC security setup */
72 soc_css_security_setup();
Robin Murphy0f1d6662015-01-09 14:30:58 +000073 /* Initialize the SMMU SSD tables*/
74 init_mmu401();
Juan Castillo6b672f52014-09-04 14:43:09 +010075}