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TSEC: Add the support for RealTek RTL8211B PHY

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Add the support of RealTek RTL8211B PHY, the RTL8211B
PHY only supports RGMII and MII mode.

Signed-off-by: Dave Liu <daveliu@freescale.com>
Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
This commit is contained in:
Dave Liu 2008-01-11 18:45:28 +08:00 committed by Ben Warren
parent 84a3047b72
commit 18ee320ff6
2 changed files with 93 additions and 0 deletions
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85
drivers/net/tsec.c
View File

@ -575,6 +575,63 @@ uint mii_parse_88E1011_psr(uint mii_reg, struct tsec_private * priv)
return 0;
}
/* Parse the RTL8211B's status register for speed and duplex
* information
*/
uint mii_parse_RTL8211B_sr(uint mii_reg, struct tsec_private * priv)
{
uint speed;
mii_reg = read_phy_reg(priv, MIIM_RTL8211B_PHY_STATUS);
if ((mii_reg & MIIM_RTL8211B_PHYSTAT_LINK) &&
!(mii_reg & MIIM_RTL8211B_PHYSTAT_SPDDONE)) {
int i = 0;
puts("Waiting for PHY realtime link");
while (!(mii_reg & MIIM_RTL8211B_PHYSTAT_SPDDONE)) {
/* Timeout reached ? */
if (i > PHY_AUTONEGOTIATE_TIMEOUT) {
puts(" TIMEOUT !\n");
priv->link = 0;
break;
}
if ((i++ % 1000) == 0) {
putc('.');
}
udelay(1000); /* 1 ms */
mii_reg = read_phy_reg(priv, MIIM_RTL8211B_PHY_STATUS);
}
puts(" done\n");
udelay(500000); /* another 500 ms (results in faster booting) */
} else {
if (mii_reg & MIIM_RTL8211B_PHYSTAT_LINK)
priv->link = 1;
else
priv->link = 0;
}
if (mii_reg & MIIM_RTL8211B_PHYSTAT_DUPLEX)
priv->duplexity = 1;
else
priv->duplexity = 0;
speed = (mii_reg & MIIM_RTL8211B_PHYSTAT_SPEED);
switch (speed) {
case MIIM_RTL8211B_PHYSTAT_GBIT:
priv->speed = 1000;
break;
case MIIM_RTL8211B_PHYSTAT_100:
priv->speed = 100;
break;
default:
priv->speed = 10;
}
return 0;
}
/* Parse the cis8201's status register for speed and duplex
* information
*/
@ -1365,6 +1422,33 @@ struct phy_info phy_info_dp83865 = {
},
};
struct phy_info phy_info_rtl8211b = {
0x001cc91,
"RealTek RTL8211B",
4,
(struct phy_cmd[]){ /* config */
/* Reset and configure the PHY */
{MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
{MIIM_GBIT_CONTROL, MIIM_GBIT_CONTROL_INIT, NULL},
{MIIM_ANAR, MIIM_ANAR_INIT, NULL},
{MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
{MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
{miim_end,}
},
(struct phy_cmd[]){ /* startup */
/* Status is read once to clear old link state */
{MIIM_STATUS, miim_read, NULL},
/* Auto-negotiate */
{MIIM_STATUS, miim_read, &mii_parse_sr},
/* Read the status */
{MIIM_RTL8211B_PHY_STATUS, miim_read, &mii_parse_RTL8211B_sr},
{miim_end,}
},
(struct phy_cmd[]){ /* shutdown */
{miim_end,}
},
};
struct phy_info *phy_info[] = {
&phy_info_cis8204,
&phy_info_cis8201,
@ -1378,6 +1462,7 @@ struct phy_info *phy_info[] = {
&phy_info_lxt971,
&phy_info_VSC8244,
&phy_info_dp83865,
&phy_info_rtl8211b,
&phy_info_generic,
NULL
};

8
drivers/net/tsec.h
View File

@ -184,6 +184,14 @@
#define MIIM_88E1145_PHY_PAGE 29
#define MIIM_88E1145_PHY_CAL_OV 30
/* RTL8211B PHY Status Register */
#define MIIM_RTL8211B_PHY_STATUS 0x11
#define MIIM_RTL8211B_PHYSTAT_SPEED 0xc000
#define MIIM_RTL8211B_PHYSTAT_GBIT 0x8000
#define MIIM_RTL8211B_PHYSTAT_100 0x4000
#define MIIM_RTL8211B_PHYSTAT_DUPLEX 0x2000
#define MIIM_RTL8211B_PHYSTAT_SPDDONE 0x0800
#define MIIM_RTL8211B_PHYSTAT_LINK 0x0400
/* DM9161 Control register values */
#define MIIM_DM9161_CR_STOP 0x0400