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-rw-r--r--drivers/spi/renesas_rpc_spi.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/spi/renesas_rpc_spi.c b/drivers/spi/renesas_rpc_spi.c
index 50890981149..9aab71db1de 100644
--- a/drivers/spi/renesas_rpc_spi.c
+++ b/drivers/spi/renesas_rpc_spi.c
@@ -145,6 +145,12 @@
#define RPC_PHYCNT_WBUF BIT(2)
#define RPC_PHYCNT_MEM(v) (((v) & 0x3) << 0)
+#define RPCIF_PHYOFFSET1 0x0080 /* R/W */
+#define RPCIF_PHYOFFSET1_DDRTMG(v) (((v) & 0x3) << 28)
+
+#define RPCIF_PHYOFFSET2 0x0084 /* R/W */
+#define RPCIF_PHYOFFSET2_OCTTMG(v) (((v) & 0x7) << 8)
+
#define RPC_PHYINT 0x0088 /* R/W */
#define RPC_PHYINT_RSTEN BIT(18)
#define RPC_PHYINT_WPEN BIT(17)
@@ -227,6 +233,12 @@ static int rpc_spi_claim_bus(struct udevice *dev, bool manual)
struct udevice *bus = dev->parent;
struct rpc_spi_priv *priv = dev_get_priv(bus);
+ setbits_le32(priv->regs + RPCIF_PHYOFFSET1,
+ RPCIF_PHYOFFSET1_DDRTMG(3));
+ clrsetbits_le32(priv->regs + RPCIF_PHYOFFSET2,
+ RPCIF_PHYOFFSET2_OCTTMG(7),
+ RPCIF_PHYOFFSET2_OCTTMG(4));
+
/* NOTE: The 0x260 are undocumented bits, but they must be set. */
writel(RPC_PHYCNT_CAL | rpc_spi_get_strobe_delay() | 0x260,
priv->regs + RPC_PHYCNT);