int board_eth_init(bd_t *bis)
{
int rv, n = 0;
const char *devname;
struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
rv = handle_mac_address();
if (rv)
printf("No MAC address found!\n");
writel(RGMII_MODE_ENABLE | RGMII_INT_DELAY, &cdev->miisel);
board_phy_init();
rv = cpsw_register(&cpsw_data);
if (rv < 0)
printf("Error %d registering CPSW switch\n", rv);
else
n += rv;
/*
* CPSW RGMII Internal Delay Mode is not supported in all PVT
* operating points. So we must set the TX clock delay feature
* in the AR8051 PHY. Since we only support a single ethernet
* device, we only do this for the first instance.
*/
devname = miiphy_get_current_dev();
miiphy_write(devname, 0x0, AR8051_PHY_DEBUG_ADDR_REG,
AR8051_DEBUG_RGMII_CLK_DLY_REG);
miiphy_write(devname, 0x0, AR8051_PHY_DEBUG_DATA_REG,
AR8051_RGMII_TX_CLK_DLY);
return n;
}
static void enbw_cmc_switch(int port, int on)
{
const char *devname;
unsigned char phyaddr = 3;
unsigned char reg = 0;
unsigned short data;
if (port == 1)
phyaddr = 2;
devname = miiphy_get_current_dev();
if (!devname) {
printf("Error: no mii device\n");
return;
}
if (miiphy_read(devname, phyaddr, reg, &data) != 0) {
printf("Error reading from the PHY addr=%02x reg=%02x\n",
phyaddr, reg);
return;
}
if (on)
data &= ~PHY_POWER;
else
data |= PHY_POWER;
if (miiphy_write(devname, phyaddr, reg, data) != 0) {
printf("Error writing to the PHY addr=%02x reg=%02x\n",
phyaddr, reg);
return;
}
}
void higmac_mdiobus_driver_exit(void)
{
if (!miiphy_get_current_dev())
return;
higmac_mdio_exit(&higmac_mdio0);
higmac_mdio_exit(&higmac_mdio1);
}
void hieth_mdiobus_driver_exit(void)
{
/*add this to avoid the first time to use eth will print 'No such device: XXXXX' message.*/
if (!miiphy_get_current_dev())
return;
/* UpEther PHY exit */
if(!get_phy_device(U_PHY_NAME,U_PHY_ADDR))
{
miiphy_reset(U_PHY_NAME, U_PHY_ADDR);
}
/* DownEther PHY exit */
if(!get_phy_device(D_PHY_NAME,D_PHY_ADDR))
{
miiphy_reset(D_PHY_NAME, D_PHY_ADDR);
}
hieth_mdio_exit(&mdio_bus_ld);
}
void stmmac_mdiobus_driver_exit(void)
{
if (!miiphy_get_current_dev())
return;
}
/*
* MII device/info/read/write
*
* Syntax:
* mii device {devname}
* mii info {addr}
* mii read {addr} {reg}
* mii write {addr} {reg} {data}
*/
int do_mii (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
{
char op;
unsigned char addr, reg;
unsigned short data;
int rcode = 0;
char *devname;
if (argc < 2) {
printf ("Usage:\n%s\n", cmdtp->usage);
return 1;
}
#if defined(CONFIG_8xx) || defined(CONFIG_MCF52x2)
mii_init ();
#endif
/*
* We use the last specified parameters, unless new ones are
* entered.
*/
op = last_op;
addr = last_addr;
data = last_data;
reg = last_reg;
if ((flag & CMD_FLAG_REPEAT) == 0) {
op = argv[1][0];
if (argc >= 3)
addr = simple_strtoul (argv[2], NULL, 16);
if (argc >= 4)
reg = simple_strtoul (argv[3], NULL, 16);
if (argc >= 5)
data = simple_strtoul (argv[4], NULL, 16);
}
/* use current device */
devname = miiphy_get_current_dev();
/*
* check device/read/write/list.
*/
if (op == 'i') {
unsigned char j, start, end;
unsigned int oui;
unsigned char model;
unsigned char rev;
/*
* Look for any and all PHYs. Valid addresses are 0..31.
*/
if (argc >= 3) {
start = addr; end = addr + 1;
} else {
start = 0; end = 31;
}
for (j = start; j < end; j++) {
if (miiphy_info (devname, j, &oui, &model, &rev) == 0) {
printf ("PHY 0x%02X: "
"OUI = 0x%04X, "
"Model = 0x%02X, "
"Rev = 0x%02X, "
"%3dbase%s, %s\n",
j, oui, model, rev,
miiphy_speed (devname, j),
miiphy_is_1000base_x (devname, j)
? "X" : "T",
(miiphy_duplex (devname, j) == FULL)
? "FDX" : "HDX");
}
}
} else if (op == 'r') {
if (miiphy_read (devname, addr, reg, &data) != 0) {
puts ("Error reading from the PHY\n");
rcode = 1;
} else {
printf ("%04X\n", data & 0x0000FFFF);
}
} else if (op == 'w') {
if (miiphy_write (devname, addr, reg, data) != 0) {
puts ("Error writing to the PHY\n");
rcode = 1;
}
} else if (op == 'd') {
if (argc == 2)
miiphy_listdev ();
else
miiphy_set_current_dev (argv[2]);
} else {
printf ("Usage:\n%s\n", cmdtp->usage);
return 1;
}
/*
* Save the parameters for repeats.
*/
last_op = op;
last_addr = addr;
last_data = data;
last_reg = reg;
return rcode;
}
int board_eth_init(bd_t *bis)
{
int rv, n = 0;
uint8_t mac_addr[6];
uint32_t mac_hi, mac_lo;
__maybe_unused struct am335x_baseboard_id header;
/* try reading mac address from efuse */
mac_lo = readl(&cdev->macid0l);
mac_hi = readl(&cdev->macid0h);
mac_addr[0] = mac_hi & 0xFF;
mac_addr[1] = (mac_hi & 0xFF00) >> 8;
mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
mac_addr[4] = mac_lo & 0xFF;
mac_addr[5] = (mac_lo & 0xFF00) >> 8;
#if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) || \
(defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD))
if (!getenv("ethaddr")) {
printf("<ethaddr> not set. Validating first E-fuse MAC\n");
if (is_valid_ether_addr(mac_addr))
eth_setenv_enetaddr("ethaddr", mac_addr);
}
#ifdef CONFIG_DRIVER_TI_CPSW
mac_lo = readl(&cdev->macid1l);
mac_hi = readl(&cdev->macid1h);
mac_addr[0] = mac_hi & 0xFF;
mac_addr[1] = (mac_hi & 0xFF00) >> 8;
mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
mac_addr[4] = mac_lo & 0xFF;
mac_addr[5] = (mac_lo & 0xFF00) >> 8;
if (!getenv("eth1addr")) {
if (is_valid_ether_addr(mac_addr))
eth_setenv_enetaddr("eth1addr", mac_addr);
}
if (read_eeprom(&header) < 0)
puts("Could not get board ID.\n");
if (board_is_bone(&header) || board_is_bone_lt(&header) ||
board_is_idk(&header)) {
writel(MII_MODE_ENABLE, &cdev->miisel);
cpsw_slaves[0].phy_if = cpsw_slaves[1].phy_if =
PHY_INTERFACE_MODE_MII;
} else {
writel((RGMII_MODE_ENABLE | RGMII_INT_DELAY), &cdev->miisel);
cpsw_slaves[0].phy_if = cpsw_slaves[1].phy_if =
PHY_INTERFACE_MODE_RGMII;
}
rv = cpsw_register(&cpsw_data);
if (rv < 0)
printf("Error %d registering CPSW switch\n", rv);
else
n += rv;
#endif
/*
*
* CPSW RGMII Internal Delay Mode is not supported in all PVT
* operating points. So we must set the TX clock delay feature
* in the AR8051 PHY. Since we only support a single ethernet
* device in U-Boot, we only do this for the first instance.
*/
#define AR8051_PHY_DEBUG_ADDR_REG 0x1d
#define AR8051_PHY_DEBUG_DATA_REG 0x1e
#define AR8051_DEBUG_RGMII_CLK_DLY_REG 0x5
#define AR8051_RGMII_TX_CLK_DLY 0x100
if (board_is_evm_sk(&header) || board_is_gp_evm(&header)) {
const char *devname;
devname = miiphy_get_current_dev();
miiphy_write(devname, 0x0, AR8051_PHY_DEBUG_ADDR_REG,
AR8051_DEBUG_RGMII_CLK_DLY_REG);
miiphy_write(devname, 0x0, AR8051_PHY_DEBUG_DATA_REG,
AR8051_RGMII_TX_CLK_DLY);
}
#endif
#if defined(CONFIG_USB_ETHER) && \
(!defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_USBETH_SUPPORT))
if (is_valid_ether_addr(mac_addr))
eth_setenv_enetaddr("usbnet_devaddr", mac_addr);
rv = usb_eth_initialize(bis);
if (rv < 0)
printf("Error %d registering USB_ETHER\n", rv);
else
n += rv;
#endif
return n;
}
