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authorMatthias Fuchs2007-12-14 11:19:56 +0100
committerStefan Roese2007-12-27 19:35:33 +0100
commitba79fde58a48c0a6ff8e2a96caba951594142203 (patch)
tree7126f98a633950fd4e5f52734130b8cd52192177 /cpu/ppc4xx/4xx_enet.c
parent871e6ce188a7c6bc7321bcf8372857035d20f1cd (diff)
ppc4xx: fix flush + invalidate_dcache_range arguments
flush + invalidate_dcache_range() expect the start and stop+1 address. So the stop address is the first address behind (!) the range. Signed-off-by: Matthias Fuchs <matthias.fuchs@esd-electronics.com>
Diffstat (limited to 'cpu/ppc4xx/4xx_enet.c')
-rw-r--r--cpu/ppc4xx/4xx_enet.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/cpu/ppc4xx/4xx_enet.c b/cpu/ppc4xx/4xx_enet.c
index c20dc730ef0..bfe0864d11b 100644
--- a/cpu/ppc4xx/4xx_enet.c
+++ b/cpu/ppc4xx/4xx_enet.c
@@ -849,7 +849,7 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
}
#ifdef CONFIG_4xx_DCACHE
- flush_dcache_range(bd_cached, bd_cached + MAL_ALLOC_SIZE - 1);
+ flush_dcache_range(bd_cached, bd_cached + MAL_ALLOC_SIZE);
bd_uncached = bis->bi_memsize;
program_tlb(bd_cached, bd_uncached, MAL_ALLOC_SIZE,
TLB_WORD2_I_ENABLE);
@@ -1064,7 +1064,7 @@ static int ppc_4xx_eth_send (struct eth_device *dev, volatile void *ptr,
/* memcpy ((void *) &tx_buff[tx_slot], (const void *) ptr, len); */
memcpy ((void *) hw_p->txbuf_ptr, (const void *) ptr, len);
- flush_dcache_range((u32)hw_p->txbuf_ptr, (u32)hw_p->txbuf_ptr + len - 1);
+ flush_dcache_range((u32)hw_p->txbuf_ptr, (u32)hw_p->txbuf_ptr + len);
/*-----------------------------------------------------------------------+
* set TX Buffer busy, and send it
@@ -1566,7 +1566,7 @@ static int ppc_4xx_eth_rx (struct eth_device *dev)
/* NetReceive(NetRxPackets[i], length); */
invalidate_dcache_range((u32)hw_p->rx[user_index].data_ptr,
(u32)hw_p->rx[user_index].data_ptr +
- length - 4 - 1);
+ length - 4);
NetReceive (NetRxPackets[user_index], length - 4);
/* Free Recv Buffer */
hw_p->rx[user_index].ctrl |= MAL_RX_CTRL_EMPTY;