X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/fb539d16280a2eb8e5e8840259bb9a385f7c3d68..97e651b8465540b067405e212e9b073537d552d3:/target/linux/ar71xx/files/drivers/spi/spi_vsc7385.c

diff --git a/target/linux/ar71xx/files/drivers/spi/spi_vsc7385.c b/target/linux/ar71xx/files/drivers/spi/spi_vsc7385.c
index c270b0f05..c16707ed8 100644
--- a/target/linux/ar71xx/files/drivers/spi/spi_vsc7385.c
+++ b/target/linux/ar71xx/files/drivers/spi/spi_vsc7385.c
@@ -63,10 +63,11 @@
 #define VSC73XX_MAC_CFG_VLAN_DBLAWR	(1 << 15)
 #define VSC73XX_MAC_CFG_VLAN_AWR	(1 << 14)
 #define VSC73XX_MAC_CFG_100_BASE_T	(1 << 13)
-#define VSC73XX_MAC_CFG_TX_IPG(x)	((x & 0x1f) << 6)
+#define VSC73XX_MAC_CFG_TX_IPG(x)	(((x) & 0x1f) << 6)
 #define VSC73XX_MAC_CFG_MAC_RX_RST	(1 << 5)
 #define VSC73XX_MAC_CFG_MAC_TX_RST	(1 << 4)
-#define VSC73XX_MAC_CFG_CLK_SEL(x)	((x & 0x3) << 0)
+#define VSC73XX_MAC_CFG_BIT2		(1 << 2)
+#define VSC73XX_MAC_CFG_CLK_SEL(x)	((x) & 0x3)
 
 /* ADVPORTM register bits */
 #define VSC73XX_ADVPORTM_IFG_PPM	(1 << 7)
@@ -102,6 +103,13 @@
 #define VSC73XX_ICPU_CTRL_CLK_EN	(1 << 1)
 #define VSC73XX_ICPU_CTRL_SRST		(1 << 0)
 
+#define VSC73XX_ICPU_CHIPID_ID_SHIFT	12
+#define VSC73XX_ICPU_CHIPID_ID_MASK	0xffff
+#define VSC73XX_ICPU_CHIPID_REV_SHIFT	28
+#define VSC73XX_ICPU_CHIPID_REV_MASK	0xf
+#define VSC73XX_ICPU_CHIPID_ID_7385	0x7385
+#define VSC73XX_ICPU_CHIPID_ID_7395	0x7395
+
 #define VSC73XX_CMD_MODE_READ		0
 #define VSC73XX_CMD_MODE_WRITE		1
 #define VSC73XX_CMD_MODE_SHIFT		4
@@ -138,12 +146,10 @@
 				 VSC73XX_MAC_CFG_MAC_RX_RST | \
 				 VSC73XX_MAC_CFG_MAC_TX_RST)
 
-#define VSC7385_MAC_CFG_INIT	(VSC73XX_MAC_CFG_TX_EN | \
+#define VSC73XX_MAC_CFG_INIT	(VSC73XX_MAC_CFG_TX_EN | \
 				 VSC73XX_MAC_CFG_FDX | \
 				 VSC73XX_MAC_CFG_GIGE | \
-				 VSC73XX_MAC_CFG_RX_EN | \
-				 VSC73XX_MAC_CFG_TX_IPG(6) | \
-				 4)
+				 VSC73XX_MAC_CFG_RX_EN)
 
 #define VSC73XX_RESET_DELAY	100
 
@@ -431,6 +437,8 @@ static int vsc7385_upload_ucode(struct vsc7385 *vsc)
 
 static int vsc7385_setup(struct vsc7385 *vsc)
 {
+	struct vsc7385_platform_data *pdata = vsc->pdata;
+	u32 t;
 	int err;
 
 	err = vsc7385_write_verify(vsc, VSC73XX_BLOCK_SYSTEM, 0,
@@ -454,8 +462,14 @@ static int vsc7385_setup(struct vsc7385 *vsc)
 	if (err)
 		goto err;
 
+	t = VSC73XX_MAC_CFG_INIT;
+	t |= VSC73XX_MAC_CFG_TX_IPG(pdata->mac_cfg.tx_ipg);
+	t |= VSC73XX_MAC_CFG_CLK_SEL(pdata->mac_cfg.clk_sel);
+	if (pdata->mac_cfg.bit2)
+		t |= VSC73XX_MAC_CFG_BIT2;
+
 	err = vsc7385_write(vsc, VSC73XX_BLOCK_MAC, VSC73XX_SUBBLOCK_PORT_MAC,
-			    VSC73XX_MAC_CFG, VSC7385_MAC_CFG_INIT);
+			    VSC73XX_MAC_CFG, t);
 	if (err)
 		goto err;
 
@@ -494,16 +508,18 @@ static int vsc7385_detect(struct vsc7385 *vsc)
 		return err;
 	}
 
-	id = (t >> 12) & 0xffff;
+	id = (t >> VSC73XX_ICPU_CHIPID_ID_SHIFT) & VSC73XX_ICPU_CHIPID_ID_MASK;
 	switch (id) {
-	case 0x7385:
+	case VSC73XX_ICPU_CHIPID_ID_7385:
+	case VSC73XX_ICPU_CHIPID_ID_7395:
 		break;
 	default:
 		dev_err(&spi->dev, "unsupported chip, id=%04x\n", id);
 		return -ENODEV;
 	}
 
-	rev = (t >> 28) & 0xf;
+	rev = (t >> VSC73XX_ICPU_CHIPID_REV_SHIFT) &
+	      VSC73XX_ICPU_CHIPID_REV_MASK;
 	dev_info(&spi->dev, "VSC%04X (rev. %d) switch found \n", id, rev);
 
 	return 0;