X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=drivers%2Fnet%2Fsmc911x.c;h=b097c1a56fb157804e7cafdd54eaa8ec04fd73cc;hb=1a4596601fd395f3afb8f82f3f840c5e00bdd57a;hp=df7347897b125412b734243981bfea716934f71e;hpb=922754cc82a82ac90e486b7565a148c9e4b6b584;p=platform%2Fkernel%2Fu-boot.git diff --git a/drivers/net/smc911x.c b/drivers/net/smc911x.c index df73478..b097c1a 100644 --- a/drivers/net/smc911x.c +++ b/drivers/net/smc911x.c @@ -3,23 +3,7 @@ * * (c) 2007 Pengutronix, Sascha Hauer * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA + * SPDX-License-Identifier: GPL-2.0+ */ #include @@ -35,9 +19,7 @@ u32 pkt_data_pull(struct eth_device *dev, u32 addr) \ 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 void smx911x_handle_mac_address(struct eth_device *dev) +static void smc911x_handle_mac_address(struct eth_device *dev) { unsigned long addrh, addrl; uchar *m = dev->enetaddr; @@ -50,7 +32,7 @@ static void smx911x_handle_mac_address(struct eth_device *dev) printf(DRIVERNAME ": MAC %pM\n", m); } -static int smc911x_miiphy_read(struct eth_device *dev, +static int smc911x_eth_phy_read(struct eth_device *dev, u8 phy, u8 reg, u16 *val) { while (smc911x_get_mac_csr(dev, MII_ACC) & MII_ACC_MII_BUSY) @@ -67,7 +49,7 @@ static int smc911x_miiphy_read(struct eth_device *dev, return 0; } -static int smc911x_miiphy_write(struct eth_device *dev, +static int smc911x_eth_phy_write(struct eth_device *dev, u8 phy, u8 reg, u16 val) { while (smc911x_get_mac_csr(dev, MII_ACC) & MII_ACC_MII_BUSY) @@ -103,11 +85,11 @@ static void smc911x_phy_configure(struct eth_device *dev) smc911x_phy_reset(dev); - smc911x_miiphy_write(dev, 1, PHY_BMCR, PHY_BMCR_RESET); + smc911x_eth_phy_write(dev, 1, MII_BMCR, BMCR_RESET); mdelay(1); - smc911x_miiphy_write(dev, 1, PHY_ANAR, 0x01e1); - smc911x_miiphy_write(dev, 1, PHY_BMCR, PHY_BMCR_AUTON | - PHY_BMCR_RST_NEG); + smc911x_eth_phy_write(dev, 1, MII_ADVERTISE, 0x01e1); + smc911x_eth_phy_write(dev, 1, MII_BMCR, BMCR_ANENABLE | + BMCR_ANRESTART); timeout = 5000; do { @@ -115,9 +97,9 @@ static void smc911x_phy_configure(struct eth_device *dev) if ((timeout--) == 0) goto err_out; - if (smc911x_miiphy_read(dev, 1, PHY_BMSR, &status) != 0) + if (smc911x_eth_phy_read(dev, 1, MII_BMSR, &status) != 0) goto err_out; - } while (!(status & PHY_BMSR_LS)); + } while (!(status & BMSR_LSTATUS)); printf(DRIVERNAME ": phy initialized\n"); @@ -148,14 +130,14 @@ static int smc911x_init(struct eth_device *dev, bd_t * bd) { struct chip_id *id = dev->priv; - printf(DRIVERNAME ": detected %s controller\n", id->name); + printf(DRIVERNAME ": detected %s controller\n", id->name); smc911x_reset(dev); /* Configure the PHY, initialize the link state */ smc911x_phy_configure(dev); - smx911x_handle_mac_address(dev); + smc911x_handle_mac_address(dev); /* Turn on Tx + Rx */ smc911x_enable(dev); @@ -163,8 +145,7 @@ static int smc911x_init(struct eth_device *dev, bd_t * bd) return 0; } -static int smc911x_send(struct eth_device *dev, - volatile void *packet, int length) +static int smc911x_send(struct eth_device *dev, void *packet, int length) { u32 *data = (u32*)packet; u32 tmplen; @@ -220,7 +201,7 @@ static int smc911x_rx(struct eth_device *dev) smc911x_reg_write(dev, RX_CFG, 0); - tmplen = (pktlen + 2+ 3) / 4; + tmplen = (pktlen + 3) / 4; while (tmplen--) *data++ = pkt_data_pull(dev, RX_DATA_FIFO); @@ -235,6 +216,25 @@ static int smc911x_rx(struct eth_device *dev) return 0; } +#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) +/* wrapper for smc911x_eth_phy_read */ +static int smc911x_miiphy_read(const char *devname, u8 phy, u8 reg, u16 *val) +{ + struct eth_device *dev = eth_get_dev_by_name(devname); + if (dev) + return smc911x_eth_phy_read(dev, phy, reg, val); + return -1; +} +/* wrapper for smc911x_eth_phy_write */ +static int smc911x_miiphy_write(const char *devname, u8 phy, u8 reg, u16 val) +{ + struct eth_device *dev = eth_get_dev_by_name(devname); + if (dev) + return smc911x_eth_phy_write(dev, phy, reg, val); + return -1; +} +#endif + int smc911x_initialize(u8 dev_num, int base_addr) { unsigned long addrl, addrh; @@ -242,8 +242,7 @@ int smc911x_initialize(u8 dev_num, int base_addr) dev = malloc(sizeof(*dev)); if (!dev) { - free(dev); - return 0; + return -1; } memset(dev, 0, sizeof(*dev)); @@ -257,12 +256,15 @@ int smc911x_initialize(u8 dev_num, int base_addr) 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; + if (!(addrl == 0xffffffff && addrh == 0x0000ffff)) { + /* address is obtained from optional eeprom */ + 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; @@ -271,5 +273,10 @@ int smc911x_initialize(u8 dev_num, int base_addr) sprintf(dev->name, "%s-%hu", DRIVERNAME, dev_num); eth_register(dev); - return 0; + +#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) + miiphy_register(dev->name, smc911x_miiphy_read, smc911x_miiphy_write); +#endif + + return 1; }