#include <common.h>
#include <command.h>
+#include <malloc.h>
#include <net.h>
#include <miiphy.h>
#include "smc911x.h"
-u32 pkt_data_pull(u32 addr) \
+u32 pkt_data_pull(struct eth_device *dev, u32 addr) \
__attribute__ ((weak, alias ("smc911x_reg_read")));
-void pkt_data_push(u32 addr, u32 val) \
+void pkt_data_push(struct eth_device *dev, u32 addr, u32 val) \
__attribute__ ((weak, alias ("smc911x_reg_write")));
#define mdelay(n) udelay((n)*1000)
-static int smx911x_handle_mac_address(bd_t *bd)
+static void smx911x_handle_mac_address(struct eth_device *dev)
{
unsigned long addrh, addrl;
- uchar m[6];
-
- if (eth_getenv_enetaddr("ethaddr", m)) {
- /* if the environment has a valid mac address then use it */
- addrl = m[0] | (m[1] << 8) | (m[2] << 16) | (m[3] << 24);
- addrh = m[4] | (m[5] << 8);
- smc911x_set_mac_csr(ADDRL, addrl);
- smc911x_set_mac_csr(ADDRH, addrh);
- } else {
- /* if not, try to get one from the eeprom */
- addrh = smc911x_get_mac_csr(ADDRH);
- addrl = smc911x_get_mac_csr(ADDRL);
-
- m[0] = (addrl ) & 0xff;
- m[1] = (addrl >> 8 ) & 0xff;
- m[2] = (addrl >> 16 ) & 0xff;
- m[3] = (addrl >> 24 ) & 0xff;
- m[4] = (addrh ) & 0xff;
- m[5] = (addrh >> 8 ) & 0xff;
-
- /* we get 0xff when there is no eeprom connected */
- if ((m[0] & m[1] & m[2] & m[3] & m[4] & m[5]) == 0xff) {
- printf(DRIVERNAME ": no valid mac address in environment "
- "and no eeprom found\n");
- return -1;
- }
-
- eth_setenv_enetaddr("ethaddr", m);
- }
+ uchar *m = dev->enetaddr;
- printf(DRIVERNAME ": MAC %pM\n", m);
+ addrl = m[0] | (m[1] << 8) | (m[2] << 16) | (m[3] << 24);
+ addrh = m[4] | (m[5] << 8);
+ smc911x_set_mac_csr(dev, ADDRL, addrl);
+ smc911x_set_mac_csr(dev, ADDRH, addrh);
- return 0;
+ printf(DRIVERNAME ": MAC %pM\n", m);
}
-static int smc911x_miiphy_read(u8 phy, u8 reg, u16 *val)
+static int smc911x_miiphy_read(struct eth_device *dev,
+ u8 phy, u8 reg, u16 *val)
{
- while (smc911x_get_mac_csr(MII_ACC) & MII_ACC_MII_BUSY)
+ while (smc911x_get_mac_csr(dev, MII_ACC) & MII_ACC_MII_BUSY)
;
- smc911x_set_mac_csr(MII_ACC, phy << 11 | reg << 6 | MII_ACC_MII_BUSY);
+ smc911x_set_mac_csr(dev, MII_ACC, phy << 11 | reg << 6 |
+ MII_ACC_MII_BUSY);
- while (smc911x_get_mac_csr(MII_ACC) & MII_ACC_MII_BUSY)
+ while (smc911x_get_mac_csr(dev, MII_ACC) & MII_ACC_MII_BUSY)
;
- *val = smc911x_get_mac_csr(MII_DATA);
+ *val = smc911x_get_mac_csr(dev, MII_DATA);
return 0;
}
-static int smc911x_miiphy_write(u8 phy, u8 reg, u16 val)
+static int smc911x_miiphy_write(struct eth_device *dev,
+ u8 phy, u8 reg, u16 val)
{
- while (smc911x_get_mac_csr(MII_ACC) & MII_ACC_MII_BUSY)
+ while (smc911x_get_mac_csr(dev, MII_ACC) & MII_ACC_MII_BUSY)
;
- smc911x_set_mac_csr(MII_DATA, val);
- smc911x_set_mac_csr(MII_ACC,
+ smc911x_set_mac_csr(dev, MII_DATA, val);
+ smc911x_set_mac_csr(dev, MII_ACC,
phy << 11 | reg << 6 | MII_ACC_MII_BUSY | MII_ACC_MII_WRITE);
- while (smc911x_get_mac_csr(MII_ACC) & MII_ACC_MII_BUSY)
+ while (smc911x_get_mac_csr(dev, MII_ACC) & MII_ACC_MII_BUSY)
;
return 0;
}
-static int smc911x_phy_reset(void)
+static int smc911x_phy_reset(struct eth_device *dev)
{
u32 reg;
- reg = smc911x_reg_read(PMT_CTRL);
+ reg = smc911x_reg_read(dev, PMT_CTRL);
reg &= ~0xfffff030;
reg |= PMT_CTRL_PHY_RST;
- smc911x_reg_write(PMT_CTRL, reg);
+ smc911x_reg_write(dev, PMT_CTRL, reg);
mdelay(100);
return 0;
}
-static void smc911x_phy_configure(void)
+static void smc911x_phy_configure(struct eth_device *dev)
{
int timeout;
u16 status;
- smc911x_phy_reset();
+ smc911x_phy_reset(dev);
- smc911x_miiphy_write(1, PHY_BMCR, PHY_BMCR_RESET);
+ smc911x_miiphy_write(dev, 1, PHY_BMCR, PHY_BMCR_RESET);
mdelay(1);
- smc911x_miiphy_write(1, PHY_ANAR, 0x01e1);
- smc911x_miiphy_write(1, PHY_BMCR, PHY_BMCR_AUTON | PHY_BMCR_RST_NEG);
+ smc911x_miiphy_write(dev, 1, PHY_ANAR, 0x01e1);
+ smc911x_miiphy_write(dev, 1, PHY_BMCR, PHY_BMCR_AUTON |
+ PHY_BMCR_RST_NEG);
timeout = 5000;
do {
if ((timeout--) == 0)
goto err_out;
- if (smc911x_miiphy_read(1, PHY_BMSR, &status) != 0)
+ if (smc911x_miiphy_read(dev, 1, PHY_BMSR, &status) != 0)
goto err_out;
} while (!(status & PHY_BMSR_LS));
printf(DRIVERNAME ": autonegotiation timed out\n");
}
-static void smc911x_enable(void)
+static void smc911x_enable(struct eth_device *dev)
{
/* Enable TX */
- smc911x_reg_write(HW_CFG, 8 << 16 | HW_CFG_SF);
+ smc911x_reg_write(dev, HW_CFG, 8 << 16 | HW_CFG_SF);
- smc911x_reg_write(GPT_CFG, GPT_CFG_TIMER_EN | 10000);
+ smc911x_reg_write(dev, GPT_CFG, GPT_CFG_TIMER_EN | 10000);
- smc911x_reg_write(TX_CFG, TX_CFG_TX_ON);
+ smc911x_reg_write(dev, TX_CFG, TX_CFG_TX_ON);
/* no padding to start of packets */
- smc911x_reg_write(RX_CFG, 0);
+ smc911x_reg_write(dev, RX_CFG, 0);
- smc911x_set_mac_csr(MAC_CR, MAC_CR_TXEN | MAC_CR_RXEN | MAC_CR_HBDIS);
+ smc911x_set_mac_csr(dev, MAC_CR, MAC_CR_TXEN | MAC_CR_RXEN |
+ MAC_CR_HBDIS);
}
-int eth_init(bd_t *bd)
+static int smc911x_init(struct eth_device *dev, bd_t * bd)
{
- printf(DRIVERNAME ": initializing\n");
+ struct chip_id *id = dev->priv;
- if (smc911x_detect_chip())
- goto err_out;
+ printf(DRIVERNAME ": detected %s controller\n", id->name);
- smc911x_reset();
+ smc911x_reset(dev);
/* Configure the PHY, initialize the link state */
- smc911x_phy_configure();
+ smc911x_phy_configure(dev);
- if (smx911x_handle_mac_address(bd))
- goto err_out;
+ smx911x_handle_mac_address(dev);
/* Turn on Tx + Rx */
- smc911x_enable();
+ smc911x_enable(dev);
return 0;
-
-err_out:
- return -1;
}
-int eth_send(volatile void *packet, int length)
+static int smc911x_send(struct eth_device *dev,
+ volatile void *packet, int length)
{
u32 *data = (u32*)packet;
u32 tmplen;
u32 status;
- smc911x_reg_write(TX_DATA_FIFO, TX_CMD_A_INT_FIRST_SEG | TX_CMD_A_INT_LAST_SEG | length);
- smc911x_reg_write(TX_DATA_FIFO, length);
+ smc911x_reg_write(dev, TX_DATA_FIFO, TX_CMD_A_INT_FIRST_SEG |
+ TX_CMD_A_INT_LAST_SEG | length);
+ smc911x_reg_write(dev, TX_DATA_FIFO, length);
tmplen = (length + 3) / 4;
while (tmplen--)
- pkt_data_push(TX_DATA_FIFO, *data++);
+ pkt_data_push(dev, TX_DATA_FIFO, *data++);
/* wait for transmission */
- while (!((smc911x_reg_read(TX_FIFO_INF) & TX_FIFO_INF_TSUSED) >> 16));
+ while (!((smc911x_reg_read(dev, TX_FIFO_INF) &
+ TX_FIFO_INF_TSUSED) >> 16));
/* get status. Ignore 'no carrier' error, it has no meaning for
* full duplex operation
*/
- status = smc911x_reg_read(TX_STATUS_FIFO) & (TX_STS_LOC | TX_STS_LATE_COLL |
- TX_STS_MANY_COLL | TX_STS_MANY_DEFER | TX_STS_UNDERRUN);
+ status = smc911x_reg_read(dev, TX_STATUS_FIFO) &
+ (TX_STS_LOC | TX_STS_LATE_COLL | TX_STS_MANY_COLL |
+ TX_STS_MANY_DEFER | TX_STS_UNDERRUN);
if (!status)
return 0;
return -1;
}
-void eth_halt(void)
+static void smc911x_halt(struct eth_device *dev)
{
- smc911x_reset();
+ smc911x_reset(dev);
}
-int eth_rx(void)
+static int smc911x_rx(struct eth_device *dev)
{
u32 *data = (u32 *)NetRxPackets[0];
u32 pktlen, tmplen;
u32 status;
- if ((smc911x_reg_read(RX_FIFO_INF) & RX_FIFO_INF_RXSUSED) >> 16) {
- status = smc911x_reg_read(RX_STATUS_FIFO);
+ if ((smc911x_reg_read(dev, RX_FIFO_INF) & RX_FIFO_INF_RXSUSED) >> 16) {
+ status = smc911x_reg_read(dev, RX_STATUS_FIFO);
pktlen = (status & RX_STS_PKT_LEN) >> 16;
- smc911x_reg_write(RX_CFG, 0);
+ smc911x_reg_write(dev, RX_CFG, 0);
tmplen = (pktlen + 2+ 3) / 4;
while (tmplen--)
- *data++ = pkt_data_pull(RX_DATA_FIFO);
+ *data++ = pkt_data_pull(dev, RX_DATA_FIFO);
if (status & RX_STS_ES)
printf(DRIVERNAME
return 0;
}
+
+int smc911x_initialize(u8 dev_num, int base_addr)
+{
+ unsigned long addrl, addrh;
+ struct eth_device *dev;
+
+ dev = malloc(sizeof(*dev));
+ if (!dev) {
+ free(dev);
+ return 0;
+ }
+ memset(dev, 0, sizeof(*dev));
+
+ dev->iobase = base_addr;
+
+ /* Try to detect chip. Will fail if not present. */
+ if (smc911x_detect_chip(dev)) {
+ free(dev);
+ return 0;
+ }
+
+ addrh = smc911x_get_mac_csr(dev, ADDRH);
+ addrl = smc911x_get_mac_csr(dev, ADDRL);
+ dev->enetaddr[0] = addrl;
+ dev->enetaddr[1] = addrl >> 8;
+ dev->enetaddr[2] = addrl >> 16;
+ dev->enetaddr[3] = addrl >> 24;
+ dev->enetaddr[4] = addrh;
+ dev->enetaddr[5] = addrh >> 8;
+
+ dev->init = smc911x_init;
+ dev->halt = smc911x_halt;
+ dev->send = smc911x_send;
+ dev->recv = smc911x_rx;
+ sprintf(dev->name, "%s-%hu", DRIVERNAME, dev_num);
+
+ /* Try to detect chip. Will fail if not present. */
+ if (smc911x_detect_chip(dev)) {
+ free(dev);
+ return 0;
+ }
+
+ eth_register(dev);
+ return 0;
+}
projects / karo-tx-uboot.git / blobdiff