#include <command.h>
#include <net.h>
#include <miiphy.h>
+#include <malloc.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)
-/* 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);
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 };
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
-/*
- * 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)
+static int davinci_eth_open(struct eth_device *dev, bd_t *bis)
{
dv_reg_p addr;
u_int32_t clkdiv, cnt;
}
/* Eth device close */
-static int davinci_eth_close(void)
+static void davinci_eth_close(struct eth_device *dev)
{
debug_emac("+ emac_close\n");
adap_ewrap->EWCTL = 0;
debug_emac("- emac_close\n");
- return(1);
}
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;
/*
* 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;
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.
+ */
+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();
+
+ 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;
+ }
-#endif /* CONFIG_DRIVER_TI_EMAC */
+ printf("Ethernet PHY: %s\n", phy.name);
+
+ miiphy_register(phy.name, davinci_mii_phy_read, davinci_mii_phy_write);
+ return(1);
+}
projects / u-boot / blobdiff