diff options
Diffstat (limited to 'drivers/crypto/fsl/jr.c')
| -rw-r--r-- | drivers/crypto/fsl/jr.c | 86 |
1 files changed, 74 insertions, 12 deletions
diff --git a/drivers/crypto/fsl/jr.c b/drivers/crypto/fsl/jr.c index 17392c9813..f63eacb73e 100644 --- a/drivers/crypto/fsl/jr.c +++ b/drivers/crypto/fsl/jr.c @@ -11,6 +11,7 @@ #include "fsl_sec.h" #include "jr.h" #include "jobdesc.h" +#include "desc_constr.h" #define CIRC_CNT(head, tail, size) (((head) - (tail)) & (size - 1)) #define CIRC_SPACE(head, tail, size) CIRC_CNT((tail), (head) + 1, (size)) @@ -154,19 +155,35 @@ static int jr_hw_reset(void) /* -1 --- error, can't enqueue -- no space available */ static int jr_enqueue(uint32_t *desc_addr, - void (*callback)(uint32_t desc, uint32_t status, void *arg), + void (*callback)(uint32_t status, void *arg), void *arg) { struct jr_regs *regs = (struct jr_regs *)CONFIG_SYS_FSL_JR0_ADDR; int head = jr.head; - dma_addr_t desc_phys_addr = virt_to_phys(desc_addr); + uint32_t desc_word; + int length = desc_len(desc_addr); + int i; +#ifdef CONFIG_PHYS_64BIT + uint32_t *addr_hi, *addr_lo; +#endif + + /* The descriptor must be submitted to SEC block as per endianness + * of the SEC Block. + * So, if the endianness of Core and SEC block is different, each word + * of the descriptor will be byte-swapped. + */ + for (i = 0; i < length; i++) { + desc_word = desc_addr[i]; + sec_out32((uint32_t *)&desc_addr[i], desc_word); + } + + phys_addr_t desc_phys_addr = virt_to_phys(desc_addr); if (sec_in32(®s->irsa) == 0 || CIRC_SPACE(jr.head, jr.tail, jr.size) <= 0) return -1; 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; @@ -177,9 +194,29 @@ static int jr_enqueue(uint32_t *desc_addr, ARCH_DMA_MINALIGN); flush_dcache_range(start, end); - jr.input_ring[head] = desc_phys_addr; +#ifdef CONFIG_PHYS_64BIT + /* Write the 64 bit Descriptor address on Input Ring. + * The 32 bit hign and low part of the address will + * depend on endianness of SEC block. + */ +#ifdef CONFIG_SYS_FSL_SEC_LE + addr_lo = (uint32_t *)(&jr.input_ring[head]); + addr_hi = (uint32_t *)(&jr.input_ring[head]) + 1; +#elif defined(CONFIG_SYS_FSL_SEC_BE) + addr_hi = (uint32_t *)(&jr.input_ring[head]); + addr_lo = (uint32_t *)(&jr.input_ring[head]) + 1; +#endif /* ifdef CONFIG_SYS_FSL_SEC_LE */ + + sec_out32(addr_hi, (uint32_t)(desc_phys_addr >> 32)); + sec_out32(addr_lo, (uint32_t)(desc_phys_addr)); + +#else + /* Write the 32 bit Descriptor address on Input Ring. */ + sec_out32(&jr.input_ring[head], desc_phys_addr); +#endif /* ifdef CONFIG_PHYS_64BIT */ + start = (unsigned long)&jr.input_ring[head] & ~(ARCH_DMA_MINALIGN - 1); - end = ALIGN(start + sizeof(dma_addr_t), ARCH_DMA_MINALIGN); + end = ALIGN(start + sizeof(phys_addr_t), ARCH_DMA_MINALIGN); flush_dcache_range(start, end); jr.head = (head + 1) & (jr.size - 1); @@ -195,8 +232,13 @@ static int jr_dequeue(void) int head = jr.head; int tail = jr.tail; int idx, i, found; - void (*callback)(uint32_t desc, uint32_t status, void *arg); + void (*callback)(uint32_t status, void *arg); void *arg = NULL; +#ifdef CONFIG_PHYS_64BIT + uint32_t *addr_hi, *addr_lo; +#else + uint32_t *addr; +#endif while (sec_in32(®s->orsf) && CIRC_CNT(jr.head, jr.tail, jr.size)) { unsigned long start = (unsigned long)jr.output_ring & @@ -208,14 +250,34 @@ static int jr_dequeue(void) found = 0; - dma_addr_t op_desc = jr.output_ring[jr.tail].desc; - uint32_t status = jr.output_ring[jr.tail].status; - uint32_t desc_virt; + phys_addr_t op_desc; + #ifdef CONFIG_PHYS_64BIT + /* Read the 64 bit Descriptor address from Output Ring. + * The 32 bit hign and low part of the address will + * depend on endianness of SEC block. + */ + #ifdef CONFIG_SYS_FSL_SEC_LE + addr_lo = (uint32_t *)(&jr.output_ring[jr.tail].desc); + addr_hi = (uint32_t *)(&jr.output_ring[jr.tail].desc) + 1; + #elif defined(CONFIG_SYS_FSL_SEC_BE) + addr_hi = (uint32_t *)(&jr.output_ring[jr.tail].desc); + addr_lo = (uint32_t *)(&jr.output_ring[jr.tail].desc) + 1; + #endif /* ifdef CONFIG_SYS_FSL_SEC_LE */ + + op_desc = ((u64)sec_in32(addr_hi) << 32) | + ((u64)sec_in32(addr_lo)); + + #else + /* Read the 32 bit Descriptor address from Output Ring. */ + addr = (uint32_t *)&jr.output_ring[jr.tail].desc; + op_desc = sec_in32(addr); + #endif /* ifdef CONFIG_PHYS_64BIT */ + + uint32_t status = sec_in32(&jr.output_ring[jr.tail].status); for (i = 0; CIRC_CNT(head, tail + i, jr.size) >= 1; i++) { idx = (tail + i) & (jr.size - 1); if (op_desc == jr.info[idx].desc_phys_addr) { - desc_virt = jr.info[idx].desc_addr; found = 1; break; } @@ -244,13 +306,13 @@ static int jr_dequeue(void) sec_out32(®s->orjr, 1); jr.info[idx].op_done = 0; - callback(desc_virt, status, arg); + callback(status, arg); } return 0; } -static void desc_done(uint32_t desc, uint32_t status, void *arg) +static void desc_done(uint32_t status, void *arg) { struct result *x = arg; x->status = status; |