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feat(qemu): make coherent memory section optional

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Since CPUs such as cortex-a76 are hardware-assisted coherent, coherent
memory section is not required for them and should be an optional
section.

Signed-off-by: Chen Baozi <chenbaozi@phytium.com.cn>
Change-Id: I03c8e9148ca1780b8af92024359698f4452f7129
This commit is contained in:
Chen Baozi 2023-03-12 20:58:04 +08:00
parent a12cb77c82
commit af994ae8a0
3 changed files with 12 additions and 0 deletions
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4
plat/qemu/common/qemu_bl1_setup.c
View file

@ -29,11 +29,13 @@
- BL_RO_DATA_BASE, \
MT_RO_DATA | EL3_PAS)
#if USE_COHERENT_MEM
#define MAP_BL_COHERENT_RAM MAP_REGION_FLAT( \
BL_COHERENT_RAM_BASE, \
BL_COHERENT_RAM_END \
- BL_COHERENT_RAM_BASE, \
MT_DEVICE | MT_RW | EL3_PAS)
#endif
/* Data structure which holds the extents of the trusted SRAM for BL1*/
static meminfo_t bl1_tzram_layout;
@ -73,7 +75,9 @@ void bl1_plat_arch_setup(void)
const mmap_region_t bl_regions[] = {
MAP_BL1_TOTAL,
MAP_BL1_RO,
#if USE_COHERENT_MEM
MAP_BL_COHERENT_RAM,
#endif
{0}
};

4
plat/qemu/common/qemu_bl2_setup.c
View file

@ -38,11 +38,13 @@
- BL_RO_DATA_BASE, \
MT_RO_DATA | MT_SECURE)
#if USE_COHERENT_MEM
#define MAP_BL_COHERENT_RAM MAP_REGION_FLAT( \
BL_COHERENT_RAM_BASE, \
BL_COHERENT_RAM_END \
- BL_COHERENT_RAM_BASE, \
MT_DEVICE | MT_RW | MT_SECURE)
#endif
/* Data structure which holds the extents of the trusted SRAM for BL2 */
static meminfo_t bl2_tzram_layout __aligned(CACHE_WRITEBACK_GRANULE);
@ -108,7 +110,9 @@ void bl2_plat_arch_setup(void)
const mmap_region_t bl_regions[] = {
MAP_BL2_TOTAL,
MAP_BL2_RO,
#if USE_COHERENT_MEM
MAP_BL_COHERENT_RAM,
#endif
{0}
};

4
plat/qemu/common/qemu_bl31_setup.c
View file

@ -26,11 +26,13 @@
- BL_RO_DATA_BASE, \
MT_RO_DATA | EL3_PAS)
#if USE_COHERENT_MEM
#define MAP_BL_COHERENT_RAM MAP_REGION_FLAT( \
BL_COHERENT_RAM_BASE, \
BL_COHERENT_RAM_END \
- BL_COHERENT_RAM_BASE, \
MT_DEVICE | MT_RW | EL3_PAS)
#endif
/*
* Placeholder variables for copying the arguments that have been passed to
@ -87,7 +89,9 @@ void bl31_plat_arch_setup(void)
const mmap_region_t bl_regions[] = {
MAP_BL31_TOTAL,
MAP_BL31_RO,
#if USE_COHERENT_MEM
MAP_BL_COHERENT_RAM,
#endif
{0}
};