smallsolar/u-boot
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

ppc4xx: EMAC: Fix 405EZ fifo size setup in EMAC_MR1

Browse Source 
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>
This commit is contained in:
Stefan Roese
2008-03-01 12:11:40 +01:00
committed by Wolfgang Denk
parent 118978c8eb
commit 76957cb3d6
2 changed files with 24 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
cpu/ppc4xx/4xx_enet.c
View File

@@ -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) {