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crypto: inside-secure - optimize DSE bufferability control

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Configure the data write bufferability to always buffer packets in the
DSE. This change slightly improves performance.

Signed-off-by: Igal Liberman <igall@marvell.com>
Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Igal Liberman 2017-06-15 09:56:21 +02:00 committed by Herbert Xu
parent c87925bfd2
commit ee1fd870ee
2 changed files with 2 additions and 0 deletions
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1
drivers/crypto/inside-secure/safexcel.c
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@ -329,6 +329,7 @@ static int safexcel_hw_init(struct safexcel_crypto_priv *priv)
val = EIP197_HIA_DSE_CFG_DIS_DEBUG;
val |= EIP197_HIA_DxE_CFG_MIN_DATA_SIZE(7) | EIP197_HIA_DxE_CFG_MAX_DATA_SIZE(8);
val |= EIP197_HIA_DxE_CFG_DATA_CACHE_CTRL(WR_CACHE_3BITS);
val |= EIP197_HIA_DSE_CFG_ALLWAYS_BUFFERABLE;
val |= EIP197_HIA_DSE_CFG_EN_SINGLE_WR;
writel(val, priv->base + EIP197_HIA_DSE_CFG);

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

@ -139,6 +139,7 @@
#define EIP197_HIA_DxE_CFG_MIN_DATA_SIZE(n) ((n) << 0)
#define EIP197_HIA_DxE_CFG_DATA_CACHE_CTRL(n) (((n) & 0x7) << 4)
#define EIP197_HIA_DxE_CFG_MAX_DATA_SIZE(n) ((n) << 8)
#define EIP197_HIA_DSE_CFG_ALLWAYS_BUFFERABLE GENMASK(15, 14)
#define EIP197_HIA_DxE_CFG_MIN_CTRL_SIZE(n) ((n) << 16)
#define EIP197_HIA_DxE_CFG_CTRL_CACHE_CTRL(n) (((n) & 0x7) << 20)
#define EIP197_HIA_DxE_CFG_MAX_CTRL_SIZE(n) ((n) << 24)