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Tegra: Exclude coherent memory region from memory map 

This patch sets the 'USE_COHERENT_MEM' flag to '0', so that the
coherent memory region will not be included in the memory map.

Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
This commit is contained in:
Varun Wadekar 2015-07-08 12:57:50 +05:30
parent 7bcbb962fd
commit 68e2a64181
2 changed files with 7 additions and 5 deletions
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10
plat/nvidia/tegra/common/tegra_bl31_setup.c
View File

@ -196,13 +196,9 @@ void bl31_plat_arch_setup(void)
unsigned long total_size = TZDRAM_END - BL31_RO_BASE;
unsigned long ro_start = bl31_base_pa;
unsigned long ro_size = BL31_RO_LIMIT - BL31_RO_BASE;
unsigned long coh_start = 0;
unsigned long coh_size = 0;
const mmap_region_t *plat_mmio_map = NULL;
#if USE_COHERENT_MEM
coh_start = total_base + (BL31_COHERENT_RAM_BASE - BL31_RO_BASE);
coh_size = BL31_COHERENT_RAM_LIMIT - BL31_COHERENT_RAM_BASE;
unsigned long coh_start, coh_size;
#endif
/* add memory regions */
@ -212,7 +208,11 @@ void bl31_plat_arch_setup(void)
mmap_add_region(ro_start, ro_start,
ro_size,
MT_MEMORY | MT_RO | MT_SECURE);
#if USE_COHERENT_MEM
coh_start = total_base + (BL31_COHERENT_RAM_BASE - BL31_RO_BASE);
coh_size = BL31_COHERENT_RAM_LIMIT - BL31_COHERENT_RAM_BASE;
mmap_add_region(coh_start, coh_start,
coh_size,
MT_DEVICE | MT_RW | MT_SECURE);

2
plat/nvidia/tegra/common/tegra_common.mk
View File

@ -34,6 +34,8 @@ $(eval $(call add_define,CRASH_REPORTING))
ASM_ASSERTION := 1
$(eval $(call add_define,ASM_ASSERTION))
USE_COHERENT_MEM := 0
PLAT_INCLUDES := -Iplat/nvidia/tegra/include/drivers \
-Iplat/nvidia/tegra/include \
-Iplat/nvidia/tegra/include/${TARGET_SOC}