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fm: Don't allow disabling of FM1-DTSEC1 

The MDIO controller to talk to external PHYs is on FM1-DTSEC1 so don't
allow disabling.  If we disable it we end up powering the block down in
the SoC and thus can't communicate to any external PHYs.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This commit is contained in:
Kumar Gala 2011-10-14 03:17:56 -05:00
parent e81c0aba9a
commit f5b9e73641
4 changed files with 20 additions and 0 deletions
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5
drivers/net/fm/p1023.c
View File

@ -39,6 +39,11 @@ static int is_device_disabled(enum fm_port port)
void fman_disable_port(enum fm_port port)
{
ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
/* don't allow disabling of DTSEC1 as its needed for MDIO */
if (port == FM1_DTSEC1)
return;
setbits_be32(&gur->devdisr, port_to_devdisr[port]);
}

5
drivers/net/fm/p3060.c
View File

@ -45,6 +45,11 @@ static int is_device_disabled(enum fm_port port)
void fman_disable_port(enum fm_port port)
{
ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
/* don't allow disabling of DTSEC1 as its needed for MDIO */
if (port == FM1_DTSEC1)
return;
setbits_be32(&gur->devdisr2, port_to_devdisr[port]);
}

5
drivers/net/fm/p4080.c
View File

@ -47,6 +47,11 @@ static int is_device_disabled(enum fm_port port)
void fman_disable_port(enum fm_port port)
{
ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
/* don't allow disabling of DTSEC1 as its needed for MDIO */
if (port == FM1_DTSEC1)
return;
setbits_be32(&gur->devdisr2, port_to_devdisr[port]);
}

5
drivers/net/fm/p5020.c
View File

@ -43,6 +43,11 @@ static int is_device_disabled(enum fm_port port)
void fman_disable_port(enum fm_port port)
{
ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
/* don't allow disabling of DTSEC1 as its needed for MDIO */
if (port == FM1_DTSEC1)
return;
setbits_be32(&gur->devdisr2, port_to_devdisr[port]);
}