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| author | Stefan Roese <sr@denx.de> | 2008-03-01 12:11:40 +0100 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2008-03-02 22:49:27 +0100 |
| commit | 76957cb3d621bf664311908e5962e151c633c285 (patch) | |
| tree | 4dc953f94b42ef062d2a143c048225af371e5158 /cpu | |
| parent | 118978c8eb43803e2794233922df4249fa278b83 (diff) | |
| download | blackbird-obmc-uboot-76957cb3d621bf664311908e5962e151c633c285.tar.gz blackbird-obmc-uboot-76957cb3d621bf664311908e5962e151c633c285.zip | |
ppc4xx: EMAC: Fix 405EZ fifo size setup in EMAC_MR1
The 405EZ only supports 512 bytes of rx-/tx-fifo EMAC sizes. But
currently 4k/2k is configured. This patch fixes this issue.
Thanks to Thomas Kindler <tkindler@lenord.de> for pointing this out.
Signed-off-by: Stefan Roese <sr@denx.de>
Diffstat (limited to 'cpu')
| -rw-r--r-- | cpu/ppc4xx/4xx_enet.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/cpu/ppc4xx/4xx_enet.c b/cpu/ppc4xx/4xx_enet.c index 5ef1005b1f..599f5ceb56 100644 --- a/cpu/ppc4xx/4xx_enet.c +++ b/cpu/ppc4xx/4xx_enet.c @@ -975,9 +975,10 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis) /* set transmit enable & receive enable */ out_be32((void *)EMAC_M0 + hw_p->hw_addr, EMAC_M0_TXE | EMAC_M0_RXE); - /* set receive fifo to 4k and tx fifo to 2k */ mode_reg = in_be32((void *)EMAC_M1 + hw_p->hw_addr); - mode_reg |= EMAC_M1_RFS_4K | EMAC_M1_TX_FIFO_2K; + + /* set rx-/tx-fifo size */ + mode_reg = (mode_reg & ~EMAC_MR1_FIFO_MASK) | EMAC_MR1_FIFO_SIZE; /* set speed */ if (speed == _1000BASET) { |
