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feat(st): map 2MB for ROM code

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This allows reducing MMU tables, and as there is nothing after ROM code
in memory mapping, this has no impact.

Change-Id: If51facb96a523770465cb06eb1ab400f75d26db3
Signed-off-by: Yann Gautier <yann.gautier@foss.st.com>
This commit is contained in:
Yann Gautier 2021-09-15 15:12:57 +02:00 • committed by Yann Gautier
parent db3e0ece71
commit 1697ad8cc8
2 changed files with 6 additions and 5 deletions
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10
plat/st/common/stm32mp_auth.c
View file

@ -1,13 +1,11 @@
/*
* Copyright (c) 2019, STMicroelectronics - All Rights Reserved
* Copyright (c) 2019-2022, STMicroelectronics - All Rights Reserved
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <errno.h>
#include <platform_def.h>
#include <common/debug.h>
#include <drivers/io/io_storage.h>
#include <drivers/st/bsec.h>
@ -15,6 +13,8 @@
#include <lib/xlat_tables/xlat_tables_v2.h>
#include <plat/common/platform.h>
#include <platform_def.h>
static const struct stm32mp_auth_ops *auth_ops;
void stm32mp_init_auth(struct stm32mp_auth_ops *init_ptr)
@ -47,7 +47,7 @@ int stm32mp_auth_image(boot_api_image_header_t *header, uintptr_t buffer)
}
ret = mmap_add_dynamic_region(STM32MP_ROM_BASE, STM32MP_ROM_BASE,
STM32MP_ROM_SIZE, MT_CODE | MT_SECURE);
STM32MP_ROM_SIZE_2MB_ALIGNED, MT_CODE | MT_SECURE);
if (ret != 0) {
return ret;
}
@ -85,6 +85,6 @@ int stm32mp_auth_image(boot_api_image_header_t *header, uintptr_t buffer)
}
err:
mmap_remove_dynamic_region(STM32MP_ROM_BASE, STM32MP_ROM_SIZE);
mmap_remove_dynamic_region(STM32MP_ROM_BASE, STM32MP_ROM_SIZE_2MB_ALIGNED);
return ret;
}

1
plat/st/stm32mp1/stm32mp1_def.h
View file

@ -68,6 +68,7 @@
******************************************************************************/
#define STM32MP_ROM_BASE U(0x00000000)
#define STM32MP_ROM_SIZE U(0x00020000)
#define STM32MP_ROM_SIZE_2MB_ALIGNED U(0x00200000)
#define STM32MP_SYSRAM_BASE U(0x2FFC0000)
#define STM32MP_SYSRAM_SIZE U(0x00040000)