diff options
| author | Kumar Gala <galak@kernel.crashing.org> | 2011-10-14 03:17:56 -0500 |
|---|---|---|
| committer | Kumar Gala <galak@kernel.crashing.org> | 2011-10-18 00:36:15 -0500 |
| commit | f5b9e736418422f9f3501b9854294b38275f4abd (patch) | |
| tree | de70a6ea67f4a5cefbf8a0a7d7c3df4f5da83e3e /drivers/net/fm/p5020.c | |
| parent | e81c0aba9a5e56d6e9b25a669c582827f999302f (diff) | |
| download | blackbird-obmc-uboot-f5b9e736418422f9f3501b9854294b38275f4abd.tar.gz blackbird-obmc-uboot-f5b9e736418422f9f3501b9854294b38275f4abd.zip | |
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>
Diffstat (limited to 'drivers/net/fm/p5020.c')
| -rw-r--r-- | drivers/net/fm/p5020.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/fm/p5020.c b/drivers/net/fm/p5020.c index 69c27d2237..a7a6e43fe2 100644 --- a/drivers/net/fm/p5020.c +++ b/drivers/net/fm/p5020.c @@ -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]); } |
