From 594ed3d245d3e2d0760f30724e02ecf1604b2c01 Mon Sep 17 00:00:00 2001 From: Peter Harliman Liem Date: Tue, 27 Sep 2022 11:10:09 +0800 Subject: [PATCH] crypto: inside-secure - Add fw_little_endian option 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 Signed-off-by: Herbert Xu --- 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 */