---

yaml --- r: 173854 b: refs/heads/master c: 4cb6d1d h: refs/heads/master v: v3
git-mirror · Dec 9, 2009 · df4d69c · df4d69c
1 parent 89f5a20
commit df4d69c
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Showing 2 changed files with 7 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0774539948b23984f1c866135ba307fa2c441d0e
+refs/heads/master: 4cb6d1d6da471d795320cc4a933ce60f415dd1f6
diff --git a/trunk/drivers/i2c/busses/i2c-designware.c b/trunk/drivers/i2c/busses/i2c-designware.c
@@ -50,6 +50,8 @@
 #define DW_IC_INTR_STAT		0x2c
 #define DW_IC_INTR_MASK		0x30
 #define DW_IC_RAW_INTR_STAT	0x34
+#define DW_IC_RX_TL		0x38
+#define DW_IC_TX_TL		0x3c
 #define DW_IC_CLR_INTR		0x40
 #define DW_IC_CLR_RX_UNDER	0x44
 #define DW_IC_CLR_RX_OVER	0x48
@@ -295,6 +297,10 @@ static void i2c_dw_init(struct dw_i2c_dev *dev)
 	writel(lcnt, dev->base + DW_IC_FS_SCL_LCNT);
 	dev_dbg(dev->dev, "Fast-mode HCNT:LCNT = %d:%d\n", hcnt, lcnt);
 
+	/* Configure Tx/Rx FIFO threshold levels */
+	writel(dev->tx_fifo_depth - 1, dev->base + DW_IC_TX_TL);
+	writel(0, dev->base + DW_IC_RX_TL);
+
 	/* configure the i2c master */
 	ic_con = DW_IC_CON_MASTER | DW_IC_CON_SLAVE_DISABLE |
 		DW_IC_CON_RESTART_EN | DW_IC_CON_SPEED_FAST;