mirror of
https://github.com/Fishwaldo/u-boot.git
synced 2025-03-18 13:11:31 +00:00
net/phy: add YuTai Corp Ethernet PHYs(YT8511/YT8521) driver
This pathch adds YuTai Corp Ethernet PHYs(YT8511/YT8521) support. Signed-off-by: Walker Chen <walker.chen@starfivetech.com>
This commit is contained in:
Walker Chen
som.qin
parent
6492303060
commit
3482c7c13c
5 changed files with 290 additions and 0 deletions
|
|
@ -204,6 +204,9 @@ endif # PHY_MICREL
|
|||
config PHY_MSCC
|
||||
bool "Microsemi Corp Ethernet PHYs support"
|
||||
|
||||
config PHY_YUTAI
|
||||
bool "YuTai Corp Ethernet PHYs support"
|
||||
|
||||
config PHY_NATSEMI
|
||||
bool "National Semiconductor Ethernet PHYs support"
|
||||
|
||||
|
|
|
|||
|
|
@ -35,3 +35,4 @@ obj-$(CONFIG_PHY_VITESSE) += vitesse.o
|
|||
obj-$(CONFIG_PHY_MSCC) += mscc.o
|
||||
obj-$(CONFIG_PHY_FIXED) += fixed.o
|
||||
obj-$(CONFIG_PHY_NCSI) += ncsi.o
|
||||
obj-$(CONFIG_PHY_YUTAI) += motorcomm.o
|
||||
|
|
|
|||
282
drivers/net/phy/motorcomm.c
Normal file
282
drivers/net/phy/motorcomm.c
Normal file
|
|
@ -0,0 +1,282 @@
|
|||
/*
|
||||
* RealTek PHY drivers
|
||||
*
|
||||
* 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
|
||||
*
|
||||
* Copyright 2010-2011 Freescale Semiconductor, Inc.
|
||||
* author Andy Fleming
|
||||
*
|
||||
*/
|
||||
#include <config.h>
|
||||
#include <common.h>
|
||||
#include <phy.h>
|
||||
|
||||
|
||||
#define REG_PHY_SPEC_STATUS 0x11
|
||||
#define REG_DEBUG_ADDR_OFFSET 0x1e
|
||||
#define REG_DEBUG_DATA 0x1f
|
||||
#define EXTREG_SLEEP_CONTROL 0x27
|
||||
|
||||
#define YT8512_DUPLEX 0x2000
|
||||
#define YT8521_SPEED_MODE 0xc000
|
||||
#define YT8521_DUPLEX 0x2000
|
||||
#define YT8521_SPEED_MODE_BIT 14
|
||||
#define YT8521_DUPLEX_BIT 13
|
||||
#define YT8521_LINK_STATUS_BIT 10
|
||||
|
||||
#define SPEED_UNKNOWN -1
|
||||
|
||||
static int ytphy_read_ext(struct phy_device *phydev, u32 regnum)
|
||||
{
|
||||
int ret;
|
||||
|
||||
ret = phy_write(phydev, MDIO_DEVAD_NONE, REG_DEBUG_ADDR_OFFSET, regnum);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
return phy_read(phydev, MDIO_DEVAD_NONE, REG_DEBUG_DATA);
|
||||
}
|
||||
|
||||
static int ytphy_write_ext(struct phy_device *phydev, u32 regnum, u16 val)
|
||||
{
|
||||
int ret;
|
||||
|
||||
ret = phy_write(phydev, MDIO_DEVAD_NONE, REG_DEBUG_ADDR_OFFSET, regnum);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
return phy_write(phydev, MDIO_DEVAD_NONE, REG_DEBUG_DATA, val);
|
||||
}
|
||||
|
||||
static int yt8511_config(struct phy_device *phydev)
|
||||
{
|
||||
u16 val = 0;
|
||||
int err = 0;
|
||||
|
||||
genphy_config_aneg(phydev);
|
||||
|
||||
/* disable sleep mode */
|
||||
err = phy_write(phydev, MDIO_DEVAD_NONE, REG_DEBUG_ADDR_OFFSET, EXTREG_SLEEP_CONTROL);
|
||||
if (err < 0) {
|
||||
printf("yt8511_config: write EXTREG_SLEEP_CONTROL error!\n");
|
||||
return err;
|
||||
}
|
||||
|
||||
val = phy_read(phydev, MDIO_DEVAD_NONE, REG_DEBUG_DATA);
|
||||
val &= ~(1<<15);
|
||||
err = phy_write(phydev, MDIO_DEVAD_NONE, REG_DEBUG_DATA, val);
|
||||
if (err < 0) {
|
||||
printf("yt8511_config: write REG_DEBUG_DATA error!\n");
|
||||
return err;
|
||||
}
|
||||
|
||||
/* config PLL clock */
|
||||
err = phy_write(phydev, MDIO_DEVAD_NONE, REG_DEBUG_ADDR_OFFSET, 0xc);
|
||||
if (err < 0) {
|
||||
printf("yt8511_config: write 0xc error!\n");
|
||||
return err;
|
||||
}
|
||||
|
||||
val = phy_read(phydev, MDIO_DEVAD_NONE, REG_DEBUG_DATA);
|
||||
/* ext reg 0xc.b[2:1]
|
||||
00-----25M from pll;
|
||||
01---- 25M from xtl;(default)
|
||||
10-----62.5M from pll;
|
||||
11----125M from pll(here set to this value)
|
||||
*/
|
||||
|
||||
val &= ~(3<<1); //00-----25M from pll;
|
||||
val |= (1<<1); //01-----25M from xtl; (default)
|
||||
err = phy_write(phydev, MDIO_DEVAD_NONE, REG_DEBUG_DATA, val);
|
||||
if (err < 0) {
|
||||
printf("yt8511_config: set PLL error!\n");
|
||||
return err;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int yt8521_config(struct phy_device *phydev)
|
||||
{
|
||||
int ret, val;
|
||||
|
||||
ytphy_write_ext(phydev, 0xa000, 0);
|
||||
|
||||
genphy_config_aneg(phydev);
|
||||
|
||||
/* disable auto sleep */
|
||||
val = ytphy_read_ext(phydev, EXTREG_SLEEP_CONTROL);
|
||||
if (val < 0) {
|
||||
printf("yt8521_config: read EXTREG_SLEEP_CONTROL error!\n");
|
||||
return val;
|
||||
}
|
||||
|
||||
val &= ~(1<<15);
|
||||
ret = ytphy_write_ext(phydev, EXTREG_SLEEP_CONTROL, val);
|
||||
if (ret < 0) {
|
||||
printf("yt8521_config: write EXTREG_SLEEP_CONTROL error!\n");
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* enable tx delay 450ps per step */
|
||||
val = ytphy_read_ext(phydev, 0xa003);
|
||||
if (val < 0) {
|
||||
printf("yt8521_config: read 0xa003 error!\n");
|
||||
return val;
|
||||
}
|
||||
val |= 0x3;
|
||||
ret = ytphy_write_ext(phydev, 0xa003, val);
|
||||
if (ret < 0) {
|
||||
printf("yt8521_config: set 0xa003 error!\n");
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* disable rx delay */
|
||||
val = ytphy_read_ext(phydev, 0xa001);
|
||||
if (val < 0) {
|
||||
printf("yt8521_config: read 0xa001 error!\n");
|
||||
return val;
|
||||
}
|
||||
val &= ~(1<<8);
|
||||
ret = ytphy_write_ext(phydev, 0xa001, val);
|
||||
if (ret < 0) {
|
||||
printf("yt8521_config: failed to disable rx_delay!\n");
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* enable RXC clock when no wire plug */
|
||||
ret = ytphy_write_ext(phydev, 0xa000, 0);
|
||||
if (ret < 0) {
|
||||
printf("yt8521_config: failed to enable RXC clock!\n");
|
||||
return ret;
|
||||
}
|
||||
|
||||
val = ytphy_read_ext(phydev, 0xc);
|
||||
if (val < 0) {
|
||||
printf("yt8521_config: read 0xc error!\n");
|
||||
return val;
|
||||
}
|
||||
|
||||
val &= ~(1 << 12);
|
||||
ret = ytphy_write_ext(phydev, 0xc, val);
|
||||
if (ret < 0) {
|
||||
printf("yt8521_config: set 0xc error!\n");
|
||||
return ret;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int yt8521_adjust_status(struct phy_device *phydev, int val, int is_utp)
|
||||
{
|
||||
int speed_mode, duplex;
|
||||
int speed = SPEED_UNKNOWN;
|
||||
|
||||
duplex = (val & YT8512_DUPLEX) >> YT8521_DUPLEX_BIT;
|
||||
speed_mode = (val & YT8521_SPEED_MODE) >> YT8521_SPEED_MODE_BIT;
|
||||
switch (speed_mode) {
|
||||
case 0:
|
||||
if (is_utp)
|
||||
speed = SPEED_10;
|
||||
break;
|
||||
case 1:
|
||||
speed = SPEED_100;
|
||||
break;
|
||||
case 2:
|
||||
speed = SPEED_1000;
|
||||
break;
|
||||
case 3:
|
||||
break;
|
||||
default:
|
||||
speed = SPEED_UNKNOWN;
|
||||
break;
|
||||
}
|
||||
|
||||
phydev->speed = speed;
|
||||
phydev->duplex = duplex;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int yt8521_parse_status(struct phy_device *phydev)
|
||||
{
|
||||
int ret, val, link, link_utp;
|
||||
|
||||
/* reading UTP */
|
||||
ret = ytphy_write_ext(phydev, 0xa000, 0);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
val = phy_read(phydev, MDIO_DEVAD_NONE, REG_PHY_SPEC_STATUS);
|
||||
if (val < 0)
|
||||
return val;
|
||||
|
||||
link = val & (BIT(YT8521_LINK_STATUS_BIT));
|
||||
if (link) {
|
||||
link_utp = 1;
|
||||
yt8521_adjust_status(phydev, val, 1);
|
||||
} else {
|
||||
link_utp = 0;
|
||||
}
|
||||
|
||||
if (link_utp) {
|
||||
phydev->link = 1;
|
||||
ytphy_write_ext(phydev, 0xa000, 0);
|
||||
} else {
|
||||
phydev->link = 0;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int yt8521_startup(struct phy_device *phydev)
|
||||
{
|
||||
int retval;
|
||||
|
||||
retval = genphy_update_link(phydev);
|
||||
if (retval)
|
||||
return retval;
|
||||
|
||||
return yt8521_parse_status(phydev);
|
||||
}
|
||||
|
||||
static struct phy_driver YT8511_driver = {
|
||||
.name = "YuTai YT8511",
|
||||
.uid = 0x0000010a,
|
||||
.mask = 0x00000fff,
|
||||
.features = PHY_GBIT_FEATURES,
|
||||
.config = &yt8511_config,
|
||||
.startup = &genphy_startup,
|
||||
.shutdown = &genphy_shutdown,
|
||||
};
|
||||
|
||||
static struct phy_driver YT8521_driver = {
|
||||
.name = "YuTai YT8521",
|
||||
.uid = 0x0000011a,
|
||||
.mask = 0x00000fff,
|
||||
.features = PHY_GBIT_FEATURES,
|
||||
.config = &yt8521_config,
|
||||
.startup = &yt8521_startup,
|
||||
.shutdown = &genphy_shutdown,
|
||||
};
|
||||
|
||||
int phy_yutai_init(void)
|
||||
{
|
||||
phy_register(&YT8511_driver);
|
||||
phy_register(&YT8521_driver);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -561,6 +561,9 @@ int phy_init(void)
|
|||
#endif
|
||||
#ifdef CONFIG_PHY_XILINX_GMII2RGMII
|
||||
phy_xilinx_gmii2rgmii_init();
|
||||
#endif
|
||||
#ifdef CONFIG_PHY_YUTAI
|
||||
phy_yutai_init();
|
||||
#endif
|
||||
genphy_init();
|
||||
|
||||
|
|
|
|||
|
|
@ -538,6 +538,7 @@ int phy_mscc_init(void);
|
|||
int phy_fixed_init(void);
|
||||
int phy_ncsi_init(void);
|
||||
int phy_xilinx_gmii2rgmii_init(void);
|
||||
int phy_yutai_init(void);
|
||||
|
||||
int board_phy_config(struct phy_device *phydev);
|
||||
int get_phy_id(struct mii_dev *bus, int addr, int devad, u32 *phy_id);
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue