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bdk: bpmp: do not use full maintenance

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Instead use proper clean/invalidation of dcache.
This commit is contained in:
CTCaer
2022-02-15 00:14:14 +02:00
parent 70ee61f0da
commit 7c74391754
4 changed files with 22 additions and 14 deletions
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9
bdk/sec/se.c
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@@ -144,7 +144,8 @@ static int _se_execute(u32 op, void *dst, u32 dst_size, const void *src, u32 src
SE(SE_ERR_STATUS_REG) = SE(SE_ERR_STATUS_REG);
SE(SE_INT_STATUS_REG) = SE(SE_INT_STATUS_REG);
bpmp_mmu_maintenance(BPMP_MMU_MAINT_CLN_INV_WAY, false);
// Flush data before starting OP.
bpmp_mmu_maintenance(BPMP_MMU_MAINT_CLEAN_WAY, false);
SE(SE_OPERATION_REG) = op;
@@ -152,7 +153,8 @@ static int _se_execute(u32 op, void *dst, u32 dst_size, const void *src, u32 src
{
int res = _se_wait();
bpmp_mmu_maintenance(BPMP_MMU_MAINT_CLN_INV_WAY, false);
// Invalidate data after OP is done.
bpmp_mmu_maintenance(BPMP_MMU_MAINT_INVALID_WAY, false);
if (src)
{
@@ -175,7 +177,8 @@ static int _se_execute_finalize()
{
int res = _se_wait();
bpmp_mmu_maintenance(BPMP_MMU_MAINT_CLN_INV_WAY, false);
// Invalidate data after OP is done.
bpmp_mmu_maintenance(BPMP_MMU_MAINT_INVALID_WAY, false);
if (ll_src)
{