diff options
| author | Eric Benard <eric@eukrea.com> | 2012-01-12 07:10:28 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-01-13 05:05:28 +0100 |
| commit | 8d82f219c2d476811cd3157a39c7b5c1f045ebc3 (patch) | |
| tree | 32bda05590b8799574c89d2f3bdc22ea47973cb5 /drivers/net/ethernet/freescale/fec.h | |
| parent | drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c: add missing iounmap (diff) | |
| download | linux-8d82f219c2d476811cd3157a39c7b5c1f045ebc3.tar.xz linux-8d82f219c2d476811cd3157a39c7b5c1f045ebc3.zip | |
net: fsl: fec: handle 10Mbps speed in RMII mode
when the link is 10 Mbps and the mode is RMII, it's necessary
to set FRCONT to 1 in MIIGSK_CFGR to divide the RMII source
clock by 10 in order to support 10 Mbps operations.
Signed-off-by: Eric Bénard <eric@eukrea.com>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/freescale/fec.h')
| -rw-r--r-- | drivers/net/ethernet/freescale/fec.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/ethernet/freescale/fec.h b/drivers/net/ethernet/freescale/fec.h index 8b2c6d797e6d..8408c627b195 100644 --- a/drivers/net/ethernet/freescale/fec.h +++ b/drivers/net/ethernet/freescale/fec.h @@ -47,6 +47,10 @@ #define FEC_MIIGSK_CFGR 0x300 /* MIIGSK Configuration reg */ #define FEC_MIIGSK_ENR 0x308 /* MIIGSK Enable reg */ +#define BM_MIIGSK_CFGR_MII 0x00 +#define BM_MIIGSK_CFGR_RMII 0x01 +#define BM_MIIGSK_CFGR_FRCONT_10M 0x40 + #else #define FEC_ECNTRL 0x000 /* Ethernet control reg */ |