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crypto: inside-secure - Add fw_little_endian option

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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@maxlinear.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Peter Harliman Liem 2022-09-27 11:10:09 +08:00 committed by Herbert Xu
parent 22044d9b04
commit 594ed3d245
2 changed files with 11 additions and 4 deletions
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14
drivers/crypto/inside-secure/safexcel.c
View file

@ -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;

1
drivers/crypto/inside-secure/safexcel.h
View file

@ -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 */