Switched davinci_emac Ethernet driver to use newer API

Added CONFIG_NET_MULTI to all Davinci boards
Removed all calls to Davinci network driver from board code
Added cpu_eth_init() to cpu/arm926ejs/cpu.c
Signed-off-by: Ben Warren <biggerbadderben@gmail.com>

board/davinci/common/misc.h

@@ -22,7 +22,6 @@
 #ifndef __MISC_H
 #define __MISC_H
 
-extern int eth_hw_init(void);
 
 int dvevm_read_mac_address(uint8_t *buf);
 void dv_configure_mac_address(uint8_t *rom_enetaddr);

board/davinci/dvevm/dvevm.c

@@ -73,9 +73,6 @@ int misc_init_r(void)
 	if (dvevm_read_mac_address(eeprom_enetaddr))
 		dv_configure_mac_address(eeprom_enetaddr);
 
-	if (!eth_hw_init())
-		printf("ethernet init failed!\n");
-
 	i2c_read(0x39, 0x00, 1, &video_mode, 1);
 
 	setenv("videostd", ((video_mode & 0x80) ? "pal" : "ntsc"));

board/davinci/schmoogie/schmoogie.c

@@ -130,8 +130,5 @@ int misc_init_r(void)
 		forceenv("serial#", (char *)&tmp[0]);
 	}
 
-	if (!eth_hw_init())
-		printf("ethernet init failed!\n");
-
 	return(0);
 }

board/davinci/sffsdr/sffsdr.c

@@ -143,8 +143,5 @@ int misc_init_r(void)
 	if (sffsdr_read_mac_address(eeprom_enetaddr))
 		dv_configure_mac_address(eeprom_enetaddr);
 
-	if (!eth_hw_init())
-		printf("Ethernet init failed\n");
-
 	return(0);
 }

board/davinci/sonata/sonata.c

@@ -70,8 +70,5 @@ int misc_init_r(void)
 	if (dvevm_read_mac_address(eeprom_enetaddr))
 		dv_configure_mac_address(eeprom_enetaddr);
 
-	if (!eth_hw_init())
-		printf("ethernet init failed!\n");
-
 	return(0);
 }

cpu/arm926ejs/davinci/cpu.c

@@ -21,6 +21,7 @@
  */
 
 #include <common.h>
+#include <netdev.h>
 #include <asm/arch/hardware.h>
 
 
@@ -129,3 +130,14 @@ int print_cpuinfo(void)
 
 #endif
 
+/*
+ * Initializes on-chip ethernet controllers.
+ * to override, implement board_eth_init()
+ */
+int cpu_eth_init(bd_t *bis)
+{
+#if defined(CONFIG_DRIVER_TI_EMAC)
+	davinci_emac_initialize();
+#endif
+	return 0;
+}

drivers/net/davinci_emac.c

@@ -40,17 +40,12 @@
 #include <command.h>
 #include <net.h>
 #include <miiphy.h>
+#include <malloc.h>
 #include <asm/arch/emac_defs.h>
 
 unsigned int	emac_dbg = 0;
 #define debug_emac(fmt,args...)	if (emac_dbg) printf(fmt,##args)
 
-/* Internal static functions */
-static int davinci_eth_hw_init (void);
-static int davinci_eth_open (void);
-static int davinci_eth_close (void);
-static int davinci_eth_send_packet (volatile void *packet, int length);
-static int davinci_eth_rcv_packet (void);
 static void davinci_eth_mdio_enable(void);
 
 static int gen_init_phy(int phy_addr);
@@ -58,38 +53,10 @@ static int gen_is_phy_connected(int phy_addr);
 static int gen_get_link_speed(int phy_addr);
 static int gen_auto_negotiate(int phy_addr);
 
-/* Wrappers exported to the U-Boot proper */
-int eth_hw_init(void)
-{
-	return(davinci_eth_hw_init());
-}
-
-int eth_init(bd_t * bd)
-{
-	return(davinci_eth_open());
-}
-
-void eth_halt(void)
-{
-	davinci_eth_close();
-}
-
-int eth_send(volatile void *packet, int length)
-{
-	return(davinci_eth_send_packet(packet, length));
-}
-
-int eth_rx(void)
-{
-	return(davinci_eth_rcv_packet());
-}
-
 void eth_mdio_enable(void)
 {
 	davinci_eth_mdio_enable();
 }
-/* End of wrappers */
-
 
 static u_int8_t davinci_eth_mac_addr[] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
 
@@ -279,17 +246,11 @@ static int davinci_mii_phy_write(char *devname, unsigned char addr, unsigned cha
 	return(davinci_eth_phy_write(addr, reg, value) ? 0 : 1);
 }
 
-int davinci_eth_miiphy_initialize(bd_t *bis)
-{
-	miiphy_register(phy.name, davinci_mii_phy_read, davinci_mii_phy_write);
-
-	return(1);
-}
 #endif
 
 
 /* Eth device open */
-static int davinci_eth_open(void)
+static int davinci_eth_open(struct eth_device *dev, bd_t *bis)
 {
 	dv_reg_p		addr;
 	u_int32_t		clkdiv, cnt;
@@ -441,7 +402,7 @@ static void davinci_eth_ch_teardown(int ch)
 }
 
 /* Eth device close */
-static int davinci_eth_close(void)
+static void davinci_eth_close(struct eth_device *dev)
 {
 	debug_emac("+ emac_close\n");
 
@@ -453,7 +414,6 @@ static int davinci_eth_close(void)
 	adap_ewrap->EWCTL = 0;
 
 	debug_emac("- emac_close\n");
-	return(1);
 }
 
 static int tx_send_loop = 0;
@@ -462,7 +422,8 @@ static int tx_send_loop = 0;
  * This function sends a single packet on the network and returns
  * positive number (number of bytes transmitted) or negative for error
  */
-static int davinci_eth_send_packet (volatile void *packet, int length)
+static int davinci_eth_send_packet (struct eth_device *dev,
+					volatile void *packet, int length)
 {
 	int ret_status = -1;
 
@@ -509,7 +470,7 @@ static int davinci_eth_send_packet (volatile void *packet, int length)
 /*
  * This function handles receipt of a packet from the network
  */
-static int davinci_eth_rcv_packet (void)
+static int davinci_eth_rcv_packet (struct eth_device *dev)
 {
 	volatile emac_desc *rx_curr_desc;
 	volatile emac_desc *curr_desc;
@@ -580,11 +541,27 @@ static int davinci_eth_rcv_packet (void)
  * 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)
+int davinci_emac_initialize(void)
 {
 	u_int32_t	phy_id;
 	u_int16_t	tmp;
 	int		i;
+	struct eth_device *dev;
+
+	dev = malloc(sizeof *dev);
+
+	if (dev == NULL)
+		return -1;
+
+	memset(dev, 0, sizeof *dev);
+
+	dev->iobase = 0;
+	dev->init = davinci_eth_open;
+	dev->halt = davinci_eth_close;
+	dev->send = davinci_eth_send_packet;
+	dev->recv = davinci_eth_rcv_packet;
+
+	eth_register(dev);
 
 	davinci_eth_mdio_enable();
 
@@ -643,5 +620,6 @@ static int davinci_eth_hw_init(void)
 
 	printf("Ethernet PHY: %s\n", phy.name);
 
+	miiphy_register(phy.name, davinci_mii_phy_read, davinci_mii_phy_write);
 	return(1);
 }

include/configs/davinci_dvevm.h

@@ -109,6 +109,7 @@
 #define CONFIG_BOOTP_DNS2
 #define CONFIG_BOOTP_SEND_HOSTNAME
 #define CONFIG_NET_RETRY_COUNT	10
+#define CONFIG_NET_MULTI
 /*=====================*/
 /* Flash & Environment */
 /*=====================*/

include/configs/davinci_schmoogie.h

@@ -77,6 +77,7 @@
 #define CONFIG_BOOTP_SEND_HOSTNAME
 #define CONFIG_NET_RETRY_COUNT	10
 #define CONFIG_OVERWRITE_ETHADDR_ONCE
+#define CONFIG_NET_MULTI
 /*=====================*/
 /* Flash & Environment */
 /*=====================*/

include/configs/davinci_sffsdr.h

@@ -74,6 +74,7 @@
 #define CONFIG_BOOTP_SEND_HOSTNAME
 #define CONFIG_NET_RETRY_COUNT	10
 #define CONFIG_OVERWRITE_ETHADDR_ONCE
+#define CONFIG_NET_MULTI
 /* Flash & Environment */
 #undef CONFIG_ENV_IS_IN_FLASH
 #define CONFIG_SYS_NO_FLASH

include/configs/davinci_sonata.h

@@ -109,6 +109,7 @@
 #define CONFIG_BOOTP_DNS2
 #define CONFIG_BOOTP_SEND_HOSTNAME
 #define CONFIG_NET_RETRY_COUNT	10
+#define CONFIG_NET_MULTI
 /*=====================*/
 /* Flash & Environment */
 /*=====================*/

include/netdev.h

@@ -44,6 +44,7 @@ int cpu_eth_init(bd_t *bis);
 int au1x00_enet_initialize(bd_t*);
 int bfin_EMAC_initialize(bd_t *bis);
 int dc21x4x_initialize(bd_t *bis);
+int davinci_emac_initialize(void);
 int dnet_eth_initialize(int id, void *regs, unsigned int phy_addr);
 int e1000_initialize(bd_t *bis);
 int eepro100_initialize(bd_t *bis);

net/eth.c

@@ -504,7 +504,6 @@ extern int at91rm9200_miiphy_initialize(bd_t *bis);
 extern int emac4xx_miiphy_initialize(bd_t *bis);
 extern int mcf52x2_miiphy_initialize(bd_t *bis);
 extern int ns7520_miiphy_initialize(bd_t *bis);
-extern int davinci_eth_miiphy_initialize(bd_t *bis);
 
 
 int eth_initialize(bd_t *bis)
@@ -524,9 +523,6 @@ int eth_initialize(bd_t *bis)
 #endif
 #if defined(CONFIG_DRIVER_NS7520_ETHERNET)
 	ns7520_miiphy_initialize(bis);
-#endif
-#if defined(CONFIG_DRIVER_TI_EMAC)
-	davinci_eth_miiphy_initialize(bis);
 #endif
 	return 0;
 }