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path: root/drivers/crypto/fsl/jr.c
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Diffstat (limited to 'drivers/crypto/fsl/jr.c')
-rw-r--r--drivers/crypto/fsl/jr.c31
1 files changed, 27 insertions, 4 deletions
diff --git a/drivers/crypto/fsl/jr.c b/drivers/crypto/fsl/jr.c
index f9d4938..f99d594 100644
--- a/drivers/crypto/fsl/jr.c
+++ b/drivers/crypto/fsl/jr.c
@@ -90,11 +90,13 @@ static int jr_init(void)
jr.liodn = DEFAULT_JR_LIODN;
#endif
jr.size = JR_SIZE;
- jr.input_ring = (dma_addr_t *)malloc(JR_SIZE * sizeof(dma_addr_t));
+ jr.input_ring = (dma_addr_t *)memalign(ARCH_DMA_MINALIGN,
+ JR_SIZE * sizeof(dma_addr_t));
if (!jr.input_ring)
return -1;
jr.output_ring =
- (struct op_ring *)malloc(JR_SIZE * sizeof(struct op_ring));
+ (struct op_ring *)memalign(ARCH_DMA_MINALIGN,
+ JR_SIZE * sizeof(struct op_ring));
if (!jr.output_ring)
return -1;
@@ -163,13 +165,23 @@ static int jr_enqueue(uint32_t *desc_addr,
CIRC_SPACE(jr.head, jr.tail, jr.size) <= 0)
return -1;
- jr.input_ring[head] = desc_phys_addr;
jr.info[head].desc_phys_addr = desc_phys_addr;
jr.info[head].desc_addr = (uint32_t)desc_addr;
jr.info[head].callback = (void *)callback;
jr.info[head].arg = arg;
jr.info[head].op_done = 0;
+ unsigned long start = (unsigned long)&jr.info[head] &
+ ~(ARCH_DMA_MINALIGN - 1);
+ unsigned long end = ALIGN(start + sizeof(struct jr_info),
+ ARCH_DMA_MINALIGN);
+ flush_dcache_range(start, end);
+
+ jr.input_ring[head] = desc_phys_addr;
+ start = (unsigned long)&jr.input_ring[head] & ~(ARCH_DMA_MINALIGN - 1);
+ end = ALIGN(start + sizeof(dma_addr_t), ARCH_DMA_MINALIGN);
+ flush_dcache_range(start, end);
+
jr.head = (head + 1) & (jr.size - 1);
sec_out32(&regs->irja, 1);
@@ -187,6 +199,13 @@ static int jr_dequeue(void)
void *arg = NULL;
while (sec_in32(&regs->orsf) && CIRC_CNT(jr.head, jr.tail, jr.size)) {
+ unsigned long start = (unsigned long)jr.output_ring &
+ ~(ARCH_DMA_MINALIGN - 1);
+ unsigned long end = ALIGN(start +
+ sizeof(struct op_ring)*JR_SIZE,
+ ARCH_DMA_MINALIGN);
+ invalidate_dcache_range(start, end);
+
found = 0;
dma_addr_t op_desc = jr.output_ring[jr.tail].desc;
@@ -333,13 +352,17 @@ static int instantiate_rng(void)
memset(&op, 0, sizeof(struct result));
- desc = malloc(sizeof(int) * 6);
+ desc = memalign(ARCH_DMA_MINALIGN, sizeof(uint32_t) * 6);
if (!desc) {
printf("cannot allocate RNG init descriptor memory\n");
return -1;
}
inline_cnstr_jobdesc_rng_instantiation(desc);
+ int size = roundup(sizeof(uint32_t) * 6, ARCH_DMA_MINALIGN);
+ flush_dcache_range((unsigned long)desc,
+ (unsigned long)desc + size);
+
ret = run_descriptor_jr(desc);
if (ret)