From c44ffb9efa9be8b8ae35ccf2b4729d63bdab6dc7 Mon Sep 17 00:00:00 2001
From: Wolfgang Denk <wd@pollux.denx.de>
Date: Sun, 4 Sep 2005 23:19:41 +0200
Subject: [PATCH] Update MPC5200 FIFO Control settings
(u-boot.habanero.fifo_cntrl.patch from Freescale)
---
cpu/mpc5xxx/fec.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/cpu/mpc5xxx/fec.c b/cpu/mpc5xxx/fec.c
index 2be4ca7413..c3d30a049d 100644
--- a/cpu/mpc5xxx/fec.c
+++ b/cpu/mpc5xxx/fec.c
@@ -291,7 +291,8 @@ static int mpc5xxx_fec_init(struct eth_device *dev, bd_t * bis)
/*
* Set Rx FIFO alarm and granularity value
*/
- fec->eth->rfifo_cntrl = 0x0c000000;
+ fec->eth->rfifo_cntrl = 0x0c000000
+ | (fec->eth->rfifo_cntrl & ~0x0f000000);
fec->eth->rfifo_alarm = 0x0000030c;
#if (DEBUG & 0x22)
if (fec->eth->rfifo_status & 0x00700000 ) {
@@ -302,7 +303,8 @@ static int mpc5xxx_fec_init(struct eth_device *dev, bd_t * bis)
/*
* Set Tx FIFO granularity value
*/
- fec->eth->tfifo_cntrl = 0x0c000000;
+ fec->eth->tfifo_cntrl = 0x0c000000
+ | (fec->eth->tfifo_cntrl & ~0x0f000000);
#if (DEBUG & 0x2)
printf("tfifo_status: 0x%08x\n", fec->eth->tfifo_status);
printf("tfifo_alarm: 0x%08x\n", fec->eth->tfifo_alarm);
--
2.39.5