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ppc4xx: fix flush + invalidate_dcache_range arguments

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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>
This commit is contained in:
Matthias Fuchs 2007-12-14 11:19:56 +01:00 committed by Stefan Roese
parent 871e6ce188
commit ba79fde58a
1 changed files with 3 additions and 3 deletions
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6
cpu/ppc4xx/4xx_enet.c
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@ -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;