From: Ben Warren <biggerbadderben@gmail.com>
Date: Tue, 28 Apr 2009 06:19:10 +0000 (-0700)
Subject: Initial cleanup of Davinci Ethernet driver
X-Git-Tag: v2009.08-rc1~130^2^2~7
X-Git-Url: https://git.kernelconcepts.de/?a=commitdiff_plain;h=8cc13c13f1d154c8fa8fff56cea357ed38af76bf;p=karo-tx-uboot.git

Initial cleanup of Davinci Ethernet driver

 Removed pointless #ifdefs
 Moved functions around in file in preparation for switch to newer API

Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
---

diff --git a/drivers/net/davinci_emac.c b/drivers/net/davinci_emac.c
index f6f81df6ca..f5cec0547c 100644
--- a/drivers/net/davinci_emac.c
+++ b/drivers/net/davinci_emac.c
@@ -42,10 +42,6 @@
 #include <miiphy.h>
 #include <asm/arch/emac_defs.h>
 
-#ifdef CONFIG_DRIVER_TI_EMAC
-
-#ifdef CONFIG_CMD_NET
-
 unsigned int	emac_dbg = 0;
 #define debug_emac(fmt,args...)	if (emac_dbg) printf(fmt,##args)
 
@@ -291,77 +287,6 @@ int davinci_eth_miiphy_initialize(bd_t *bis)
 }
 #endif
 
-/*
- * This function initializes the emac hardware. It does NOT initialize
- * EMAC modules power or pin multiplexors, that is done by board_init()
- * much earlier in bootup process. Returns 1 on success, 0 otherwise.
- */
-static int davinci_eth_hw_init(void)
-{
-	u_int32_t	phy_id;
-	u_int16_t	tmp;
-	int		i;
-
-	davinci_eth_mdio_enable();
-
-	for (i = 0; i < 256; i++) {
-		if (adap_mdio->ALIVE)
-			break;
-		udelay(10);
-	}
-
-	if (i >= 256) {
-		printf("No ETH PHY detected!!!\n");
-		return(0);
-	}
-
-	/* Find if a PHY is connected and get it's address */
-	if (!davinci_eth_phy_detect())
-		return(0);
-
-	/* Get PHY ID and initialize phy_ops for a detected PHY */
-	if (!davinci_eth_phy_read(active_phy_addr, PHY_PHYIDR1, &tmp)) {
-		active_phy_addr = 0xff;
-		return(0);
-	}
-
-	phy_id = (tmp << 16) & 0xffff0000;
-
-	if (!davinci_eth_phy_read(active_phy_addr, PHY_PHYIDR2, &tmp)) {
-		active_phy_addr = 0xff;
-		return(0);
-	}
-
-	phy_id |= tmp & 0x0000ffff;
-
-	switch (phy_id) {
-		case PHY_LXT972:
-			sprintf(phy.name, "LXT972 @ 0x%02x", active_phy_addr);
-			phy.init = lxt972_init_phy;
-			phy.is_phy_connected = lxt972_is_phy_connected;
-			phy.get_link_speed = lxt972_get_link_speed;
-			phy.auto_negotiate = lxt972_auto_negotiate;
-			break;
-		case PHY_DP83848:
-			sprintf(phy.name, "DP83848 @ 0x%02x", active_phy_addr);
-			phy.init = dp83848_init_phy;
-			phy.is_phy_connected = dp83848_is_phy_connected;
-			phy.get_link_speed = dp83848_get_link_speed;
-			phy.auto_negotiate = dp83848_auto_negotiate;
-			break;
-		default:
-			sprintf(phy.name, "GENERIC @ 0x%02x", active_phy_addr);
-			phy.init = gen_init_phy;
-			phy.is_phy_connected = gen_is_phy_connected;
-			phy.get_link_speed = gen_get_link_speed;
-			phy.auto_negotiate = gen_auto_negotiate;
-	}
-
-	printf("Ethernet PHY: %s\n", phy.name);
-
-	return(1);
-}
-
 
 /* Eth device open */
 static int davinci_eth_open(void)
@@ -650,6 +575,73 @@ static int davinci_eth_rcv_packet (void)
 	return (0);
 }
 
-#endif /* CONFIG_CMD_NET */
+/*
+ * This function initializes the emac hardware. It does NOT initialize
+ * EMAC modules power or pin multiplexors, that is done by board_init()
+ * much earlier in bootup process. Returns 1 on success, 0 otherwise.
+ */
+static int davinci_eth_hw_init(void)
+{
+	u_int32_t	phy_id;
+	u_int16_t	tmp;
+	int		i;
+
+	davinci_eth_mdio_enable();
+
+	for (i = 0; i < 256; i++) {
+		if (adap_mdio->ALIVE)
+			break;
+		udelay(10);
+	}
+
+	if (i >= 256) {
+		printf("No ETH PHY detected!!!\n");
+		return(0);
+	}
+
+	/* Find if a PHY is connected and get it's address */
+	if (!davinci_eth_phy_detect())
+		return(0);
+
+	/* Get PHY ID and initialize phy_ops for a detected PHY */
+	if (!davinci_eth_phy_read(active_phy_addr, PHY_PHYIDR1, &tmp)) {
+		active_phy_addr = 0xff;
+		return(0);
+	}
 
-#endif /* CONFIG_DRIVER_TI_EMAC */
+	phy_id = (tmp << 16) & 0xffff0000;
+
+	if (!davinci_eth_phy_read(active_phy_addr, PHY_PHYIDR2, &tmp)) {
+		active_phy_addr = 0xff;
+		return(0);
+	}
+
+	phy_id |= tmp & 0x0000ffff;
+
+	switch (phy_id) {
+		case PHY_LXT972:
+			sprintf(phy.name, "LXT972 @ 0x%02x", active_phy_addr);
+			phy.init = lxt972_init_phy;
+			phy.is_phy_connected = lxt972_is_phy_connected;
+			phy.get_link_speed = lxt972_get_link_speed;
+			phy.auto_negotiate = lxt972_auto_negotiate;
+			break;
+		case PHY_DP83848:
+			sprintf(phy.name, "DP83848 @ 0x%02x", active_phy_addr);
+			phy.init = dp83848_init_phy;
+			phy.is_phy_connected = dp83848_is_phy_connected;
+			phy.get_link_speed = dp83848_get_link_speed;
+			phy.auto_negotiate = dp83848_auto_negotiate;
+			break;
+		default:
+			sprintf(phy.name, "GENERIC @ 0x%02x", active_phy_addr);
+			phy.init = gen_init_phy;
+			phy.is_phy_connected = gen_is_phy_connected;
+			phy.get_link_speed = gen_get_link_speed;
+			phy.auto_negotiate = gen_auto_negotiate;
+	}
+
+	printf("Ethernet PHY: %s\n", phy.name);
+
+	return(1);
+}