/* per-channel fifo management */
struct talitos_channel {
+ void __iomem *reg;
+
/* request fifo */
struct talitos_request *fifo;
struct device *dev;
struct platform_device *ofdev;
void __iomem *reg;
- int irq;
+ int irq[2];
/* SEC version geometry (from device tree node) */
unsigned int num_channels;
atomic_t last_chan ____cacheline_aligned;
/* request callback tasklet */
- struct tasklet_struct done_task;
+ struct tasklet_struct done_task[2];
/* list of registered algorithms */
struct list_head alg_list;
#define TALITOS_FTR_SRC_LINK_TBL_LEN_INCLUDES_EXTENT 0x00000001
#define TALITOS_FTR_HW_AUTH_CHECK 0x00000002
#define TALITOS_FTR_SHA224_HWINIT 0x00000004
+#define TALITOS_FTR_HMAC_OK 0x00000008
static void to_talitos_ptr(struct talitos_ptr *talitos_ptr, dma_addr_t dma_addr)
{
struct talitos_private *priv = dev_get_drvdata(dev);
unsigned int timeout = TALITOS_TIMEOUT;
- setbits32(priv->reg + TALITOS_CCCR(ch), TALITOS_CCCR_RESET);
+ setbits32(priv->chan[ch].reg + TALITOS_CCCR, TALITOS_CCCR_RESET);
- while ((in_be32(priv->reg + TALITOS_CCCR(ch)) & TALITOS_CCCR_RESET)
+ while ((in_be32(priv->chan[ch].reg + TALITOS_CCCR) & TALITOS_CCCR_RESET)
&& --timeout)
cpu_relax();
}
/* set 36-bit addressing, done writeback enable and done IRQ enable */
- setbits32(priv->reg + TALITOS_CCCR_LO(ch), TALITOS_CCCR_LO_EAE |
+ setbits32(priv->chan[ch].reg + TALITOS_CCCR_LO, TALITOS_CCCR_LO_EAE |
TALITOS_CCCR_LO_CDWE | TALITOS_CCCR_LO_CDIE);
/* and ICCR writeback, if available */
if (priv->features & TALITOS_FTR_HW_AUTH_CHECK)
- setbits32(priv->reg + TALITOS_CCCR_LO(ch),
+ setbits32(priv->chan[ch].reg + TALITOS_CCCR_LO,
TALITOS_CCCR_LO_IWSE);
return 0;
{
struct talitos_private *priv = dev_get_drvdata(dev);
unsigned int timeout = TALITOS_TIMEOUT;
+ u32 mcr = TALITOS_MCR_SWR;
- setbits32(priv->reg + TALITOS_MCR, TALITOS_MCR_SWR);
+ setbits32(priv->reg + TALITOS_MCR, mcr);
while ((in_be32(priv->reg + TALITOS_MCR) & TALITOS_MCR_SWR)
&& --timeout)
cpu_relax();
+ if (priv->irq[1]) {
+ mcr = TALITOS_MCR_RCA1 | TALITOS_MCR_RCA3;
+ setbits32(priv->reg + TALITOS_MCR, mcr);
+ }
+
if (timeout == 0) {
dev_err(dev, "failed to reset device\n");
return -EIO;
/* GO! */
wmb();
- out_be32(priv->reg + TALITOS_FF(ch), upper_32_bits(request->dma_desc));
- out_be32(priv->reg + TALITOS_FF_LO(ch),
+ out_be32(priv->chan[ch].reg + TALITOS_FF,
+ upper_32_bits(request->dma_desc));
+ out_be32(priv->chan[ch].reg + TALITOS_FF_LO,
lower_32_bits(request->dma_desc));
spin_unlock_irqrestore(&priv->chan[ch].head_lock, flags);
/*
* process completed requests for channels that have done status
*/
-static void talitos_done(unsigned long data)
-{
- struct device *dev = (struct device *)data;
- struct talitos_private *priv = dev_get_drvdata(dev);
- int ch;
-
- for (ch = 0; ch < priv->num_channels; ch++)
- flush_channel(dev, ch, 0, 0);
-
- /* At this point, all completed channels have been processed.
- * Unmask done interrupts for channels completed later on.
- */
- setbits32(priv->reg + TALITOS_IMR, TALITOS_IMR_INIT);
- setbits32(priv->reg + TALITOS_IMR_LO, TALITOS_IMR_LO_INIT);
+#define DEF_TALITOS_DONE(name, ch_done_mask) \
+static void talitos_done_##name(unsigned long data) \
+{ \
+ struct device *dev = (struct device *)data; \
+ struct talitos_private *priv = dev_get_drvdata(dev); \
+ \
+ if (ch_done_mask & 1) \
+ flush_channel(dev, 0, 0, 0); \
+ if (priv->num_channels == 1) \
+ goto out; \
+ if (ch_done_mask & (1 << 2)) \
+ flush_channel(dev, 1, 0, 0); \
+ if (ch_done_mask & (1 << 4)) \
+ flush_channel(dev, 2, 0, 0); \
+ if (ch_done_mask & (1 << 6)) \
+ flush_channel(dev, 3, 0, 0); \
+ \
+out: \
+ /* At this point, all completed channels have been processed */ \
+ /* Unmask done interrupts for channels completed later on. */ \
+ setbits32(priv->reg + TALITOS_IMR, ch_done_mask); \
+ setbits32(priv->reg + TALITOS_IMR_LO, TALITOS_IMR_LO_INIT); \
}
+DEF_TALITOS_DONE(4ch, TALITOS_ISR_4CHDONE)
+DEF_TALITOS_DONE(ch0_2, TALITOS_ISR_CH_0_2_DONE)
+DEF_TALITOS_DONE(ch1_3, TALITOS_ISR_CH_1_3_DONE)
/*
* locate current (offending) descriptor
int tail = priv->chan[ch].tail;
dma_addr_t cur_desc;
- cur_desc = in_be32(priv->reg + TALITOS_CDPR_LO(ch));
+ cur_desc = in_be32(priv->chan[ch].reg + TALITOS_CDPR_LO);
while (priv->chan[ch].fifo[tail].dma_desc != cur_desc) {
tail = (tail + 1) & (priv->fifo_len - 1);
int i;
if (!desc_hdr)
- desc_hdr = in_be32(priv->reg + TALITOS_DESCBUF(ch));
+ desc_hdr = in_be32(priv->chan[ch].reg + TALITOS_DESCBUF);
switch (desc_hdr & DESC_HDR_SEL0_MASK) {
case DESC_HDR_SEL0_AFEU:
for (i = 0; i < 8; i++)
dev_err(dev, "DESCBUF 0x%08x_%08x\n",
- in_be32(priv->reg + TALITOS_DESCBUF(ch) + 8*i),
- in_be32(priv->reg + TALITOS_DESCBUF_LO(ch) + 8*i));
+ in_be32(priv->chan[ch].reg + TALITOS_DESCBUF + 8*i),
+ in_be32(priv->chan[ch].reg + TALITOS_DESCBUF_LO + 8*i));
}
/*
* recover from error interrupts
*/
-static void talitos_error(unsigned long data, u32 isr, u32 isr_lo)
+static void talitos_error(struct device *dev, u32 isr, u32 isr_lo)
{
- struct device *dev = (struct device *)data;
struct talitos_private *priv = dev_get_drvdata(dev);
unsigned int timeout = TALITOS_TIMEOUT;
int ch, error, reset_dev = 0, reset_ch = 0;
error = -EINVAL;
- v = in_be32(priv->reg + TALITOS_CCPSR(ch));
- v_lo = in_be32(priv->reg + TALITOS_CCPSR_LO(ch));
+ v = in_be32(priv->chan[ch].reg + TALITOS_CCPSR);
+ v_lo = in_be32(priv->chan[ch].reg + TALITOS_CCPSR_LO);
if (v_lo & TALITOS_CCPSR_LO_DOF) {
dev_err(dev, "double fetch fifo overflow error\n");
if (reset_ch) {
reset_channel(dev, ch);
} else {
- setbits32(priv->reg + TALITOS_CCCR(ch),
+ setbits32(priv->chan[ch].reg + TALITOS_CCCR,
TALITOS_CCCR_CONT);
- setbits32(priv->reg + TALITOS_CCCR_LO(ch), 0);
- while ((in_be32(priv->reg + TALITOS_CCCR(ch)) &
+ setbits32(priv->chan[ch].reg + TALITOS_CCCR_LO, 0);
+ while ((in_be32(priv->chan[ch].reg + TALITOS_CCCR) &
TALITOS_CCCR_CONT) && --timeout)
cpu_relax();
if (timeout == 0) {
}
}
}
- if (reset_dev || isr & ~TALITOS_ISR_CHERR || isr_lo) {
+ if (reset_dev || isr & ~TALITOS_ISR_4CHERR || isr_lo) {
dev_err(dev, "done overflow, internal time out, or rngu error: "
"ISR 0x%08x_%08x\n", isr, isr_lo);
}
}
-static irqreturn_t talitos_interrupt(int irq, void *data)
-{
- struct device *dev = data;
- struct talitos_private *priv = dev_get_drvdata(dev);
- u32 isr, isr_lo;
-
- isr = in_be32(priv->reg + TALITOS_ISR);
- isr_lo = in_be32(priv->reg + TALITOS_ISR_LO);
- /* Acknowledge interrupt */
- out_be32(priv->reg + TALITOS_ICR, isr);
- out_be32(priv->reg + TALITOS_ICR_LO, isr_lo);
-
- if (unlikely((isr & ~TALITOS_ISR_CHDONE) || isr_lo))
- talitos_error((unsigned long)data, isr, isr_lo);
- else
- if (likely(isr & TALITOS_ISR_CHDONE)) {
- /* mask further done interrupts. */
- clrbits32(priv->reg + TALITOS_IMR, TALITOS_IMR_DONE);
- /* done_task will unmask done interrupts at exit */
- tasklet_schedule(&priv->done_task);
- }
-
- return (isr || isr_lo) ? IRQ_HANDLED : IRQ_NONE;
+#define DEF_TALITOS_INTERRUPT(name, ch_done_mask, ch_err_mask, tlet) \
+static irqreturn_t talitos_interrupt_##name(int irq, void *data) \
+{ \
+ struct device *dev = data; \
+ struct talitos_private *priv = dev_get_drvdata(dev); \
+ u32 isr, isr_lo; \
+ \
+ isr = in_be32(priv->reg + TALITOS_ISR); \
+ isr_lo = in_be32(priv->reg + TALITOS_ISR_LO); \
+ /* Acknowledge interrupt */ \
+ out_be32(priv->reg + TALITOS_ICR, isr & (ch_done_mask | ch_err_mask)); \
+ out_be32(priv->reg + TALITOS_ICR_LO, isr_lo); \
+ \
+ if (unlikely((isr & ~TALITOS_ISR_4CHDONE) & ch_err_mask || isr_lo)) \
+ talitos_error(dev, isr, isr_lo); \
+ else \
+ if (likely(isr & ch_done_mask)) { \
+ /* mask further done interrupts. */ \
+ clrbits32(priv->reg + TALITOS_IMR, ch_done_mask); \
+ /* done_task will unmask done interrupts at exit */ \
+ tasklet_schedule(&priv->done_task[tlet]); \
+ } \
+ \
+ return (isr & (ch_done_mask | ch_err_mask) || isr_lo) ? IRQ_HANDLED : \
+ IRQ_NONE; \
}
+DEF_TALITOS_INTERRUPT(4ch, TALITOS_ISR_4CHDONE, TALITOS_ISR_4CHERR, 0)
+DEF_TALITOS_INTERRUPT(ch0_2, TALITOS_ISR_CH_0_2_DONE, TALITOS_ISR_CH_0_2_ERR, 0)
+DEF_TALITOS_INTERRUPT(ch1_3, TALITOS_ISR_CH_1_3_DONE, TALITOS_ISR_CH_1_3_ERR, 1)
/*
* hwrng
return ahash_process_req(areq, areq->nbytes);
}
+struct keyhash_result {
+ struct completion completion;
+ int err;
+};
+
+static void keyhash_complete(struct crypto_async_request *req, int err)
+{
+ struct keyhash_result *res = req->data;
+
+ if (err == -EINPROGRESS)
+ return;
+
+ res->err = err;
+ complete(&res->completion);
+}
+
+static int keyhash(struct crypto_ahash *tfm, const u8 *key, unsigned int keylen,
+ u8 *hash)
+{
+ struct talitos_ctx *ctx = crypto_tfm_ctx(crypto_ahash_tfm(tfm));
+
+ struct scatterlist sg[1];
+ struct ahash_request *req;
+ struct keyhash_result hresult;
+ int ret;
+
+ init_completion(&hresult.completion);
+
+ req = ahash_request_alloc(tfm, GFP_KERNEL);
+ if (!req)
+ return -ENOMEM;
+
+ /* Keep tfm keylen == 0 during hash of the long key */
+ ctx->keylen = 0;
+ ahash_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
+ keyhash_complete, &hresult);
+
+ sg_init_one(&sg[0], key, keylen);
+
+ ahash_request_set_crypt(req, sg, hash, keylen);
+ ret = crypto_ahash_digest(req);
+ switch (ret) {
+ case 0:
+ break;
+ case -EINPROGRESS:
+ case -EBUSY:
+ ret = wait_for_completion_interruptible(
+ &hresult.completion);
+ if (!ret)
+ ret = hresult.err;
+ break;
+ default:
+ break;
+ }
+ ahash_request_free(req);
+
+ return ret;
+}
+
+static int ahash_setkey(struct crypto_ahash *tfm, const u8 *key,
+ unsigned int keylen)
+{
+ struct talitos_ctx *ctx = crypto_tfm_ctx(crypto_ahash_tfm(tfm));
+ unsigned int blocksize =
+ crypto_tfm_alg_blocksize(crypto_ahash_tfm(tfm));
+ unsigned int digestsize = crypto_ahash_digestsize(tfm);
+ unsigned int keysize = keylen;
+ u8 hash[SHA512_DIGEST_SIZE];
+ int ret;
+
+ if (keylen <= blocksize)
+ memcpy(ctx->key, key, keysize);
+ else {
+ /* Must get the hash of the long key */
+ ret = keyhash(tfm, key, keylen, hash);
+
+ if (ret) {
+ crypto_ahash_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN);
+ return -EINVAL;
+ }
+
+ keysize = digestsize;
+ memcpy(ctx->key, hash, digestsize);
+ }
+
+ ctx->keylen = keysize;
+
+ return 0;
+}
+
+
struct talitos_alg_template {
u32 type;
union {
DESC_HDR_SEL0_MDEUB |
DESC_HDR_MODE0_MDEUB_SHA512,
},
+ { .type = CRYPTO_ALG_TYPE_AHASH,
+ .alg.hash = {
+ .init = ahash_init,
+ .update = ahash_update,
+ .final = ahash_final,
+ .finup = ahash_finup,
+ .digest = ahash_digest,
+ .setkey = ahash_setkey,
+ .halg.digestsize = MD5_DIGEST_SIZE,
+ .halg.base = {
+ .cra_name = "hmac(md5)",
+ .cra_driver_name = "hmac-md5-talitos",
+ .cra_blocksize = MD5_BLOCK_SIZE,
+ .cra_flags = CRYPTO_ALG_TYPE_AHASH |
+ CRYPTO_ALG_ASYNC,
+ .cra_type = &crypto_ahash_type
+ }
+ },
+ .desc_hdr_template = DESC_HDR_TYPE_COMMON_NONSNOOP_NO_AFEU |
+ DESC_HDR_SEL0_MDEUA |
+ DESC_HDR_MODE0_MDEU_MD5,
+ },
+ { .type = CRYPTO_ALG_TYPE_AHASH,
+ .alg.hash = {
+ .init = ahash_init,
+ .update = ahash_update,
+ .final = ahash_final,
+ .finup = ahash_finup,
+ .digest = ahash_digest,
+ .setkey = ahash_setkey,
+ .halg.digestsize = SHA1_DIGEST_SIZE,
+ .halg.base = {
+ .cra_name = "hmac(sha1)",
+ .cra_driver_name = "hmac-sha1-talitos",
+ .cra_blocksize = SHA1_BLOCK_SIZE,
+ .cra_flags = CRYPTO_ALG_TYPE_AHASH |
+ CRYPTO_ALG_ASYNC,
+ .cra_type = &crypto_ahash_type
+ }
+ },
+ .desc_hdr_template = DESC_HDR_TYPE_COMMON_NONSNOOP_NO_AFEU |
+ DESC_HDR_SEL0_MDEUA |
+ DESC_HDR_MODE0_MDEU_SHA1,
+ },
+ { .type = CRYPTO_ALG_TYPE_AHASH,
+ .alg.hash = {
+ .init = ahash_init,
+ .update = ahash_update,
+ .final = ahash_final,
+ .finup = ahash_finup,
+ .digest = ahash_digest,
+ .setkey = ahash_setkey,
+ .halg.digestsize = SHA224_DIGEST_SIZE,
+ .halg.base = {
+ .cra_name = "hmac(sha224)",
+ .cra_driver_name = "hmac-sha224-talitos",
+ .cra_blocksize = SHA224_BLOCK_SIZE,
+ .cra_flags = CRYPTO_ALG_TYPE_AHASH |
+ CRYPTO_ALG_ASYNC,
+ .cra_type = &crypto_ahash_type
+ }
+ },
+ .desc_hdr_template = DESC_HDR_TYPE_COMMON_NONSNOOP_NO_AFEU |
+ DESC_HDR_SEL0_MDEUA |
+ DESC_HDR_MODE0_MDEU_SHA224,
+ },
+ { .type = CRYPTO_ALG_TYPE_AHASH,
+ .alg.hash = {
+ .init = ahash_init,
+ .update = ahash_update,
+ .final = ahash_final,
+ .finup = ahash_finup,
+ .digest = ahash_digest,
+ .setkey = ahash_setkey,
+ .halg.digestsize = SHA256_DIGEST_SIZE,
+ .halg.base = {
+ .cra_name = "hmac(sha256)",
+ .cra_driver_name = "hmac-sha256-talitos",
+ .cra_blocksize = SHA256_BLOCK_SIZE,
+ .cra_flags = CRYPTO_ALG_TYPE_AHASH |
+ CRYPTO_ALG_ASYNC,
+ .cra_type = &crypto_ahash_type
+ }
+ },
+ .desc_hdr_template = DESC_HDR_TYPE_COMMON_NONSNOOP_NO_AFEU |
+ DESC_HDR_SEL0_MDEUA |
+ DESC_HDR_MODE0_MDEU_SHA256,
+ },
+ { .type = CRYPTO_ALG_TYPE_AHASH,
+ .alg.hash = {
+ .init = ahash_init,
+ .update = ahash_update,
+ .final = ahash_final,
+ .finup = ahash_finup,
+ .digest = ahash_digest,
+ .setkey = ahash_setkey,
+ .halg.digestsize = SHA384_DIGEST_SIZE,
+ .halg.base = {
+ .cra_name = "hmac(sha384)",
+ .cra_driver_name = "hmac-sha384-talitos",
+ .cra_blocksize = SHA384_BLOCK_SIZE,
+ .cra_flags = CRYPTO_ALG_TYPE_AHASH |
+ CRYPTO_ALG_ASYNC,
+ .cra_type = &crypto_ahash_type
+ }
+ },
+ .desc_hdr_template = DESC_HDR_TYPE_COMMON_NONSNOOP_NO_AFEU |
+ DESC_HDR_SEL0_MDEUB |
+ DESC_HDR_MODE0_MDEUB_SHA384,
+ },
+ { .type = CRYPTO_ALG_TYPE_AHASH,
+ .alg.hash = {
+ .init = ahash_init,
+ .update = ahash_update,
+ .final = ahash_final,
+ .finup = ahash_finup,
+ .digest = ahash_digest,
+ .setkey = ahash_setkey,
+ .halg.digestsize = SHA512_DIGEST_SIZE,
+ .halg.base = {
+ .cra_name = "hmac(sha512)",
+ .cra_driver_name = "hmac-sha512-talitos",
+ .cra_blocksize = SHA512_BLOCK_SIZE,
+ .cra_flags = CRYPTO_ALG_TYPE_AHASH |
+ CRYPTO_ALG_ASYNC,
+ .cra_type = &crypto_ahash_type
+ }
+ },
+ .desc_hdr_template = DESC_HDR_TYPE_COMMON_NONSNOOP_NO_AFEU |
+ DESC_HDR_SEL0_MDEUB |
+ DESC_HDR_MODE0_MDEUB_SHA512,
+ }
};
struct talitos_crypto_alg {
kfree(priv->chan);
- if (priv->irq != NO_IRQ) {
- free_irq(priv->irq, dev);
- irq_dispose_mapping(priv->irq);
- }
+ for (i = 0; i < 2; i++)
+ if (priv->irq[i]) {
+ free_irq(priv->irq[i], dev);
+ irq_dispose_mapping(priv->irq[i]);
+ }
- tasklet_kill(&priv->done_task);
+ tasklet_kill(&priv->done_task[0]);
+ if (priv->irq[1])
+ tasklet_kill(&priv->done_task[1]);
iounmap(priv->reg);
case CRYPTO_ALG_TYPE_AHASH:
alg = &t_alg->algt.alg.hash.halg.base;
alg->cra_init = talitos_cra_init_ahash;
+ if (!(priv->features & TALITOS_FTR_HMAC_OK) &&
+ !strncmp(alg->cra_name, "hmac", 4)) {
+ kfree(t_alg);
+ return ERR_PTR(-ENOTSUPP);
+ }
if (!(priv->features & TALITOS_FTR_SHA224_HWINIT) &&
- !strcmp(alg->cra_name, "sha224")) {
+ (!strcmp(alg->cra_name, "sha224") ||
+ !strcmp(alg->cra_name, "hmac(sha224)"))) {
t_alg->algt.alg.hash.init = ahash_init_sha224_swinit;
t_alg->algt.desc_hdr_template =
DESC_HDR_TYPE_COMMON_NONSNOOP_NO_AFEU |
return t_alg;
}
+static int talitos_probe_irq(struct platform_device *ofdev)
+{
+ struct device *dev = &ofdev->dev;
+ struct device_node *np = ofdev->dev.of_node;
+ struct talitos_private *priv = dev_get_drvdata(dev);
+ int err;
+
+ priv->irq[0] = irq_of_parse_and_map(np, 0);
+ if (!priv->irq[0]) {
+ dev_err(dev, "failed to map irq\n");
+ return -EINVAL;
+ }
+
+ priv->irq[1] = irq_of_parse_and_map(np, 1);
+
+ /* get the primary irq line */
+ if (!priv->irq[1]) {
+ err = request_irq(priv->irq[0], talitos_interrupt_4ch, 0,
+ dev_driver_string(dev), dev);
+ goto primary_out;
+ }
+
+ err = request_irq(priv->irq[0], talitos_interrupt_ch0_2, 0,
+ dev_driver_string(dev), dev);
+ if (err)
+ goto primary_out;
+
+ /* get the secondary irq line */
+ err = request_irq(priv->irq[1], talitos_interrupt_ch1_3, 0,
+ dev_driver_string(dev), dev);
+ if (err) {
+ dev_err(dev, "failed to request secondary irq\n");
+ irq_dispose_mapping(priv->irq[1]);
+ priv->irq[1] = 0;
+ }
+
+ return err;
+
+primary_out:
+ if (err) {
+ dev_err(dev, "failed to request primary irq\n");
+ irq_dispose_mapping(priv->irq[0]);
+ priv->irq[0] = 0;
+ }
+
+ return err;
+}
+
static int talitos_probe(struct platform_device *ofdev)
{
struct device *dev = &ofdev->dev;
priv->ofdev = ofdev;
- tasklet_init(&priv->done_task, talitos_done, (unsigned long)dev);
-
- INIT_LIST_HEAD(&priv->alg_list);
-
- priv->irq = irq_of_parse_and_map(np, 0);
-
- if (priv->irq == NO_IRQ) {
- dev_err(dev, "failed to map irq\n");
- err = -EINVAL;
+ err = talitos_probe_irq(ofdev);
+ if (err)
goto err_out;
- }
- /* get the irq line */
- err = request_irq(priv->irq, talitos_interrupt, 0,
- dev_driver_string(dev), dev);
- if (err) {
- dev_err(dev, "failed to request irq %d\n", priv->irq);
- irq_dispose_mapping(priv->irq);
- priv->irq = NO_IRQ;
- goto err_out;
+ if (!priv->irq[1]) {
+ tasklet_init(&priv->done_task[0], talitos_done_4ch,
+ (unsigned long)dev);
+ } else {
+ tasklet_init(&priv->done_task[0], talitos_done_ch0_2,
+ (unsigned long)dev);
+ tasklet_init(&priv->done_task[1], talitos_done_ch1_3,
+ (unsigned long)dev);
}
+ INIT_LIST_HEAD(&priv->alg_list);
+
priv->reg = of_iomap(np, 0);
if (!priv->reg) {
dev_err(dev, "failed to of_iomap\n");
if (of_device_is_compatible(np, "fsl,sec2.1"))
priv->features |= TALITOS_FTR_HW_AUTH_CHECK |
- TALITOS_FTR_SHA224_HWINIT;
+ TALITOS_FTR_SHA224_HWINIT |
+ TALITOS_FTR_HMAC_OK;
priv->chan = kzalloc(sizeof(struct talitos_channel) *
priv->num_channels, GFP_KERNEL);
goto err_out;
}
+ for (i = 0; i < priv->num_channels; i++) {
+ priv->chan[i].reg = priv->reg + TALITOS_CH_STRIDE * (i + 1);
+ if (!priv->irq[1] || !(i & 1))
+ priv->chan[i].reg += TALITOS_CH_BASE_OFFSET;
+ }
+
for (i = 0; i < priv->num_channels; i++) {
spin_lock_init(&priv->chan[i].head_lock);
spin_lock_init(&priv->chan[i].tail_lock);
t_alg = talitos_alg_alloc(dev, &driver_algs[i]);
if (IS_ERR(t_alg)) {
err = PTR_ERR(t_alg);
+ if (err == -ENOTSUPP)
+ continue;
goto err_out;
}
dev_err(dev, "%s alg registration failed\n",
name);
kfree(t_alg);
- } else {
+ } else
list_add_tail(&t_alg->entry, &priv->alg_list);
- dev_info(dev, "%s\n", name);
- }
}
}
+ if (!list_empty(&priv->alg_list))
+ dev_info(dev, "%s algorithms registered in /proc/crypto\n",
+ (char *)of_get_property(np, "compatible", NULL));
return 0;
.remove = talitos_remove,
};
-static int __init talitos_init(void)
-{
- return platform_driver_register(&talitos_driver);
-}
-module_init(talitos_init);
-
-static void __exit talitos_exit(void)
-{
- platform_driver_unregister(&talitos_driver);
-}
-module_exit(talitos_exit);
+module_platform_driver(talitos_driver);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Kim Phillips <kim.phillips@freescale.com>");
projects / ~andy / linux / blobdiff