crypto/stm32/stm32-cryp.c

178 	const struct stm32_cryp_caps *caps;
276 	return readl_relaxed_poll_timeout(cryp->regs + cryp->caps->sr, status,
282 	writel_relaxed(readl_relaxed(cryp->regs + cryp->caps->cr) | CR_CRYPEN,
283 		       cryp->regs + cryp->caps->cr);
290 	return readl_relaxed_poll_timeout(cryp->regs + cryp->caps->cr, status,
298 	return readl_relaxed_poll_timeout(cryp->regs + cryp->caps->sr, status,
304 	writel_relaxed(readl_relaxed(cryp->regs + cryp->caps->cr) | CR_KEYRDEN,
305 		       cryp->regs + cryp->caps->cr);
310 	writel_relaxed(readl_relaxed(cryp->regs + cryp->caps->cr) & ~CR_KEYRDEN,
311 		       cryp->regs + cryp->caps->cr);
342 	stm32_cryp_write(cryp, cryp->caps->iv0l, be32_to_cpu(*iv++));
343 	stm32_cryp_write(cryp, cryp->caps->iv0r, be32_to_cpu(*iv++));
346 		stm32_cryp_write(cryp, cryp->caps->iv1l, be32_to_cpu(*iv++));
347 		stm32_cryp_write(cryp, cryp->caps->iv1r, be32_to_cpu(*iv++));
359 	if (cryp->caps->iv_protection)
362 	*tmp++ = cpu_to_be32(stm32_cryp_read(cryp, cryp->caps->iv0l));
363 	*tmp++ = cpu_to_be32(stm32_cryp_read(cryp, cryp->caps->iv0r));
366 		*tmp++ = cpu_to_be32(stm32_cryp_read(cryp, cryp->caps->iv1l));
367 		*tmp++ = cpu_to_be32(stm32_cryp_read(cryp, cryp->caps->iv1r));
370 	if (cryp->caps->iv_protection)
464 		stm32_cryp_write(c, c->caps->k1l, be32_to_cpu(c->ctx->key[0]));
465 		stm32_cryp_write(c, c->caps->k1r, be32_to_cpu(c->ctx->key[1]));
475 	if (is_aes(c) && c->caps->linear_aes_key) {
481 		r_id = c->caps->k1l;
488 	r_id = c->caps->k3r;
543 	stm32_cryp_write(cryp, cryp->caps->cr, cfg | CR_PH_INIT | CR_CRYPEN);
555 		stm32_cryp_write(cryp, cryp->caps->cr, cfg);
558 		stm32_cryp_write(cryp, cryp->caps->cr, cfg);
575 			stm32_cryp_write(cryp, cryp->caps->imsc, 0);
582 			cfg = stm32_cryp_read(cryp, cryp->caps->cr);
584 			stm32_cryp_write(cryp, cryp->caps->cr, cfg);
588 			stm32_cryp_write(cryp, cryp->caps->cr, cfg);
627 	writesl(cryp->regs + cryp->caps->din, block, AES_BLOCK_32);
663 	stm32_cryp_write(cryp, cryp->caps->cr, cfg | CR_PH_INIT | CR_CRYPEN);
672 		if (!cryp->caps->padding_wa)
674 		stm32_cryp_write(cryp, cryp->caps->din, xd);
687 		stm32_cryp_write(cryp, cryp->caps->cr, cfg);
693 		stm32_cryp_write(cryp, cryp->caps->cr, cfg);
707 	stm32_cryp_write(cryp, cryp->caps->imsc, 0);
735 		if (cryp->caps->kp_mode)
736 			stm32_cryp_write(cryp, cryp->caps->cr,
740 				cryp->caps->cr, cfg | CR_AES_ECB | CR_KSE);
757 		stm32_cryp_write(cryp, cryp->caps->cr, cfg);
764 		stm32_cryp_write(cryp, cryp->caps->cr, cfg);
823 	stm32_cryp_write(cryp, cryp->caps->imsc, IMSCR_IN | IMSCR_OUT);
1281 	cfg = stm32_cryp_read(cryp, cryp->caps->cr);
1288 	stm32_cryp_write(cryp, cryp->caps->cr, cfg);
1293 		if (cryp->caps->swap_final)
1296 		stm32_cryp_write(cryp, cryp->caps->din, 0);
1297 		stm32_cryp_write(cryp, cryp->caps->din, size_bit);
1302 		if (cryp->caps->swap_final)
1305 		stm32_cryp_write(cryp, cryp->caps->din, 0);
1306 		stm32_cryp_write(cryp, cryp->caps->din, size_bit);
1319 			if (!cryp->caps->padding_wa)
1321 			stm32_cryp_write(cryp, cryp->caps->din, xiv);
1336 		readsl(cryp->regs + cryp->caps->dout, out_tag, AES_BLOCK_32);
1343 		readsl(cryp->regs + cryp->caps->dout, out_tag, AES_BLOCK_32);
1351 	stm32_cryp_write(cryp, cryp->caps->cr, cfg);
1367 		cr = stm32_cryp_read(cryp, cryp->caps->cr);
1368 		stm32_cryp_write(cryp, cryp->caps->cr, cr & ~CR_CRYPEN);
1372 		stm32_cryp_write(cryp, cryp->caps->cr, cr);
1376 	cryp->last_ctr[0] = cpu_to_be32(stm32_cryp_read(cryp, cryp->caps->iv0l));
1377 	cryp->last_ctr[1] = cpu_to_be32(stm32_cryp_read(cryp, cryp->caps->iv0r));
1378 	cryp->last_ctr[2] = cpu_to_be32(stm32_cryp_read(cryp, cryp->caps->iv1l));
1379 	cryp->last_ctr[3] = cpu_to_be32(stm32_cryp_read(cryp, cryp->caps->iv1r));
1386 	readsl(cryp->regs + cryp->caps->dout, block, cryp->hw_blocksize / sizeof(u32));
1399 	writesl(cryp->regs + cryp->caps->din, block, cryp->hw_blocksize / sizeof(u32));
1412 	stm32_cryp_write(cryp, cryp->caps->imsc, 0);
1413 	cfg = stm32_cryp_read(cryp, cryp->caps->cr);
1415 	stm32_cryp_write(cryp, cryp->caps->cr, cfg);
1418 	stm32_cryp_write(cryp, cryp->caps->iv1r, cryp->gcm_ctr - 2);
1423 	stm32_cryp_write(cryp, cryp->caps->cr, cfg);
1427 	stm32_cryp_write(cryp, cryp->caps->cr, cfg);
1443 	readsl(cryp->regs + cryp->caps->dout, block, cryp->hw_blocksize / sizeof(u32));
1453 	stm32_cryp_write(cryp, cryp->caps->cr, cfg);
1458 	stm32_cryp_write(cryp, cryp->caps->cr, cfg);
1461 	writesl(cryp->regs + cryp->caps->din, block, AES_BLOCK_32);
1471 		stm32_cryp_read(cryp, cryp->caps->dout);
1482 	cfg = stm32_cryp_read(cryp, cryp->caps->cr);
1484 	stm32_cryp_write(cryp, cryp->caps->cr, cfg);
1488 	stm32_cryp_write(cryp, cryp->caps->cr, cfg);
1502 	stm32_cryp_write(cryp, cryp->caps->imsc, 0);
1504 	cfg = stm32_cryp_read(cryp, cryp->caps->cr);
1506 	stm32_cryp_write(cryp, cryp->caps->cr, cfg);
1516 	stm32_cryp_write(cryp, cryp->caps->iv1r, iv1tmp);
1521 	stm32_cryp_write(cryp, cryp->caps->cr, cfg);
1525 	stm32_cryp_write(cryp, cryp->caps->cr, cfg);
1541 	readsl(cryp->regs + cryp->caps->dout, block, cryp->hw_blocksize / sizeof(u32));
1554 	stm32_cryp_write(cryp, cryp->caps->cr, cfg);
1559 	stm32_cryp_write(cryp, cryp->caps->cr, cfg);
1565 		stm32_cryp_write(cryp, cryp->caps->din, block[i]);
1588 		if (cryp->caps->padding_wa) {
1602 		if (cryp->caps->padding_wa) {
1627 	writesl(cryp->regs + cryp->caps->din, block, AES_BLOCK_32);
1638 	u32 it_mask = stm32_cryp_read(cryp, cryp->caps->imsc);
1646 			ph = stm32_cryp_read(cryp, cryp->caps->cr) & CR_PH_MASK;
1666 	stm32_cryp_write(cryp, cryp->caps->imsc, it_mask);
1678 	cryp->irq_status = stm32_cryp_read(cryp, cryp->caps->mis);
1978 	cryp->caps = of_device_get_match_data(dev);
1979 	if (!cryp->caps)
2057 	if (cryp->caps->aeads_support) {
2094 	if (cryp->caps->aeads_support)