diff options
| author | Felix Fietkau <nbd@openwrt.org> | 2010-02-16 18:29:16 +0000 |
|---|---|---|
| committer | Felix Fietkau <nbd@openwrt.org> | 2010-02-16 18:29:16 +0000 |
| commit | 2f706d3d5b554981bb30c54396eab5c32ccc14d7 (patch) | |
| tree | 594146ce0d193606d443672a537c6f7fcc471eed /target | |
| parent | 2b1e4dccafad885bbcb931211f730e57ee7a6f7a (diff) | |
| download | upstream-2f706d3d5b554981bb30c54396eab5c32ccc14d7.tar.gz upstream-2f706d3d5b554981bb30c54396eab5c32ccc14d7.tar.bz2 upstream-2f706d3d5b554981bb30c54396eab5c32ccc14d7.zip | |
mpc83xx: add a workaround for erratum eTSEC27 in earlier mpc8313 chip revs
SVN-Revision: 19670
Diffstat (limited to 'target')
| -rw-r--r-- | target/linux/mpc83xx/patches-2.6.32/110-etsec27_war.patch | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/target/linux/mpc83xx/patches-2.6.32/110-etsec27_war.patch b/target/linux/mpc83xx/patches-2.6.32/110-etsec27_war.patch new file mode 100644 index 0000000000..111434b2cd --- /dev/null +++ b/target/linux/mpc83xx/patches-2.6.32/110-etsec27_war.patch @@ -0,0 +1,18 @@ +--- a/drivers/net/gianfar.c ++++ b/drivers/net/gianfar.c +@@ -334,7 +334,14 @@ static int gfar_probe(struct of_device * + /* We need to delay at least 3 TX clocks */ + udelay(2); + +- tempval = (MACCFG1_TX_FLOW | MACCFG1_RX_FLOW); ++ /* ++ * Do not enable flow control on chips earlier than rev 1.1, ++ * because of the eTSEC27 erratum ++ */ ++ tempval = 0; ++ if (mfspr(SPRN_SVR) & 0xffff >= 0x0011) ++ tempval = (MACCFG1_TX_FLOW | MACCFG1_RX_FLOW); ++ + gfar_write(&priv->regs->maccfg1, tempval); + + /* Initialize MACCFG2. */ |