Openwrt/target/linux/mediatek/patches-5.4/0501-crypto-add-eip97-inside-secure-support.patch
John Crispin ea2884e018 mediatek: minor fix to eip97 driver
This patch makes the driver work on the newer v2.3 core.

Signed-off-by: John Crispin <john@phrozen.org>
2020-07-16 09:14:49 +02:00

28 lines
1.0 KiB
Diff

--- a/drivers/crypto/inside-secure/safexcel.c
+++ b/drivers/crypto/inside-secure/safexcel.c
@@ -595,6 +595,14 @@ static int safexcel_hw_init(struct safex
val |= EIP197_MST_CTRL_TX_MAX_CMD(5);
writel(val, EIP197_HIA_AIC(priv) + EIP197_HIA_MST_CTRL);
}
+ /*
+ * Set maximum number of TX commands to 2^4 = 16 for EIP97 HW2.1/HW2.3
+ */
+ else {
+ val = 0;
+ val |= EIP97_MST_CTRL_TX_MAX_CMD(4);
+ writel(val, EIP197_HIA_AIC(priv) + EIP197_HIA_MST_CTRL);
+ }
/* Configure wr/rd cache values */
writel(EIP197_MST_CTRL_RD_CACHE(RD_CACHE_4BITS) |
--- a/drivers/crypto/inside-secure/safexcel.h
+++ b/drivers/crypto/inside-secure/safexcel.h
@@ -306,6 +306,7 @@
#define EIP197_MST_CTRL_RD_CACHE(n) (((n) & 0xf) << 0)
#define EIP197_MST_CTRL_WD_CACHE(n) (((n) & 0xf) << 4)
#define EIP197_MST_CTRL_TX_MAX_CMD(n) (((n) & 0xf) << 20)
+#define EIP97_MST_CTRL_TX_MAX_CMD(n) (((n) & 0xf) << 4)
#define EIP197_MST_CTRL_BYTE_SWAP BIT(24)
#define EIP197_MST_CTRL_NO_BYTE_SWAP BIT(25)
#define EIP197_MST_CTRL_BYTE_SWAP_BITS GENMASK(25, 24)