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authorTsiChung <tcliew@Goku.(none)>2007-07-10 15:45:43 -0500
committerJohn Rigby <jrigby@freescale.com>2007-07-10 14:29:10 -0600
commit0dca874db62718e41253659e60f3a1de7eb418ce (patch)
tree358165147025f019ff3b71149749b46dd44fd717 /drivers
parent52b017604a8f4d4a795880ef6e7861d7f2f1b005 (diff)
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Cache update and added CFG_UNIFY_CACHE
Enabled cache in cpu_init_f() for faster flash to mem allocation. Updated cache handling in start.S. Applied cache invalidate in fec_send() and fec_recv(). Added CFG_UNIFY_CACHE for CF V3 only. Signed-off-by: TsiChung <tcliew@Goku.(none)>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/mcffec.c26
1 files changed, 8 insertions, 18 deletions
diff --git a/drivers/net/mcffec.c b/drivers/net/mcffec.c
index 609210d..11f6721 100644
--- a/drivers/net/mcffec.c
+++ b/drivers/net/mcffec.c
@@ -150,23 +150,15 @@ int fec_send(struct eth_device *dev, volatile void *packet, int length)
* Wait for ready
*/
j = 0;
-#if (CONFIG_COMMANDS & CFG_CMD_CACHE)
- icache_invalid();
-#endif
while ((info->txbd[info->txIdx].cbd_sc & BD_ENET_TX_READY) &&
(j < MCFFEC_TOUT_LOOP)) {
udelay(1);
j++;
-#if (CONFIG_COMMANDS & CFG_CMD_CACHE)
- icache_invalid();
-#endif
}
if (j >= MCFFEC_TOUT_LOOP) {
printf("TX not ready\n");
}
-#if (CONFIG_COMMANDS & CFG_CMD_CACHE)
- icache_invalid();
-#endif
+
info->txbd[info->txIdx].cbd_bufaddr = (uint) packet;
info->txbd[info->txIdx].cbd_datlen = length;
info->txbd[info->txIdx].cbd_sc |= BD_ENET_TX_RDY_LST;
@@ -174,21 +166,19 @@ int fec_send(struct eth_device *dev, volatile void *packet, int length)
/* Activate transmit Buffer Descriptor polling */
fecp->tdar = 0x01000000; /* Descriptor polling active */
- j = 0;
-#if (CONFIG_COMMANDS & CFG_CMD_CACHE)
+#ifdef CFG_UNIFY_CACHE
icache_invalid();
#endif
+ j = 0;
while ((info->txbd[info->txIdx].cbd_sc & BD_ENET_TX_READY) &&
(j < MCFFEC_TOUT_LOOP)) {
udelay(1);
j++;
-#if (CONFIG_COMMANDS & CFG_CMD_CACHE)
- icache_invalid();
-#endif
}
if (j >= MCFFEC_TOUT_LOOP) {
printf("TX timeout\n");
}
+
#ifdef ET_DEBUG
printf("%s[%d] %s: cycles: %d status: %x retry cnt: %d\n",
__FILE__, __LINE__, __FUNCTION__, j,
@@ -196,10 +186,7 @@ int fec_send(struct eth_device *dev, volatile void *packet, int length)
(info->txbd[info->txIdx].cbd_sc & 0x003C) >> 2);
#endif
- /* return only status bits */ ;
-#if (CONFIG_COMMANDS & CFG_CMD_CACHE)
- icache_invalid();
-#endif
+ /* return only status bits */
rc = (info->txbd[info->txIdx].cbd_sc & BD_ENET_TX_STATS);
info->txIdx = (info->txIdx + 1) % TX_BUF_CNT;
@@ -213,6 +200,9 @@ int fec_recv(struct eth_device *dev)
int length;
for (;;) {
+#ifdef CFG_UNIFY_CACHE
+ icache_invalid();
+#endif
/* section 16.9.23.2 */
if (info->rxbd[info->rxIdx].cbd_sc & BD_ENET_RX_EMPTY) {
length = -1;