This is to add fw_little_endian option, which can
be used for platform which firmware is using little-endian
(instead of big-endian).
Signed-off-by: Peter Harliman Liem <pliem@xxxxxxxxxxxxx>
---
drivers/crypto/inside-secure/safexcel.c | 14 ++++++++++----
drivers/crypto/inside-secure/safexcel.h | 1 +
2 files changed, 11 insertions(+), 4 deletions(-)
diff --git a/drivers/crypto/inside-secure/safexcel.c b/drivers/crypto/inside-secure/safexcel.c
index 8f4872470529..4d6d64ff9a0f 100644
--- a/drivers/crypto/inside-secure/safexcel.c
+++ b/drivers/crypto/inside-secure/safexcel.c
@@ -316,14 +316,20 @@ static void eip197_init_firmware(struct safexcel_crypto_priv *priv)
static int eip197_write_firmware(struct safexcel_crypto_priv *priv,
const struct firmware *fw)
{
- const __be32 *data = (const __be32 *)fw->data;
+ u32 val;
int i;
/* Write the firmware */
- for (i = 0; i < fw->size / sizeof(u32); i++)
- writel(be32_to_cpu(data[i]),
+ for (i = 0; i < fw->size / sizeof(u32); i++) {
+ if (priv->data->fw_little_endian)
+ val = le32_to_cpu(((const __le32 *)fw->data)[i]);
+ else
+ val = be32_to_cpu(((const __be32 *)fw->data)[i]);
+
+ writel(val,
priv->base + EIP197_CLASSIFICATION_RAMS +
- i * sizeof(__be32));
+ i * sizeof(val));
+ }
/* Exclude final 2 NOPs from size */
return i - EIP197_FW_TERMINAL_NOPS;
diff --git a/drivers/crypto/inside-secure/safexcel.h b/drivers/crypto/inside-secure/safexcel.h
index e8da8b30a392..f049293870b4 100644
--- a/drivers/crypto/inside-secure/safexcel.h
+++ b/drivers/crypto/inside-secure/safexcel.h
@@ -735,6 +735,7 @@ enum safexcel_eip_version {
struct safexcel_priv_data {
enum safexcel_eip_version version;
+ bool fw_little_endian;
};
/* Priority we use for advertising our algorithms */
--
2.17.1
