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refactor(stm32mp1): reduce MMU memory regions and split XLAT by context

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Simplify the BL2 MMU mapping and reduce the memory regions
number. Split the XLAT define between BL2 and BL32 as binaries
do not share the same tables anymore.

Signed-off-by: Lionel Debieve <lionel.debieve@st.com>
Change-Id: Iaf09e72b4cc29acbe376f6f1cd2a8116c793ba26
This commit is contained in:
Yann Gautier 2020-01-16 18:50:51 +01:00
parent 1697ad8cc8
commit ac1b24d58a
1 changed files with 13 additions and 3 deletions
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16
plat/st/stm32mp1/stm32mp1_def.h
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@ -111,15 +111,25 @@ enum ddr_type {
(STM32MP_PARAM_LOAD_SIZE + \
STM32MP_HEADER_SIZE))
/* BL2 and BL32/sp_min require 4 tables */
#define MAX_XLAT_TABLES U(4) /* 16 KB for mapping */
/* BL2 and BL32/sp_min require finer granularity tables */
#if defined(IMAGE_BL2)
#define MAX_XLAT_TABLES U(2) /* 8 KB for mapping */
#endif
#if defined(IMAGE_BL32)
#define MAX_XLAT_TABLES U(4) /* 16 KB for mapping */
#endif
/*
* MAX_MMAP_REGIONS is usually:
* BL stm32mp1_mmap size + mmap regions in *_plat_arch_setup
*/
#if defined(IMAGE_BL2)
#define MAX_MMAP_REGIONS 11
#if STM32MP_USB_PROGRAMMER
#define MAX_MMAP_REGIONS 8
#else
#define MAX_MMAP_REGIONS 7
#endif
#endif
#define STM32MP_BL33_BASE (STM32MP_DDR_BASE + U(0x100000))