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ppc4xx: Remove redundant code from 4xx network driver
This patch removes some redundant code and decrements the end address of cache flush and invalidate by 1. Signed-off-by: Matthias Fuchs <matthias.fuchs@esd-electronics.com> Signed-off-by: Stefan Roese <sr@denx.de>
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1 changed files with 3 additions and 5 deletions
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@ -849,9 +849,7 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis)
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}
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#ifdef CONFIG_4xx_DCACHE
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flush_dcache_range(bd_cached, bd_cached + MAL_ALLOC_SIZE);
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hw_p->tx_phys = bd_cached;
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hw_p->rx_phys = bd_cached + MAL_TX_DESC_SIZE;
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flush_dcache_range(bd_cached, bd_cached + MAL_ALLOC_SIZE - 1);
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bd_uncached = bis->bi_memsize;
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program_tlb(bd_cached, bd_uncached, MAL_ALLOC_SIZE,
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TLB_WORD2_I_ENABLE);
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@ -1066,7 +1064,7 @@ static int ppc_4xx_eth_send (struct eth_device *dev, volatile void *ptr,
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/* memcpy ((void *) &tx_buff[tx_slot], (const void *) ptr, len); */
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memcpy ((void *) hw_p->txbuf_ptr, (const void *) ptr, len);
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flush_dcache_range((u32)hw_p->txbuf_ptr, (u32)hw_p->txbuf_ptr + len);
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flush_dcache_range((u32)hw_p->txbuf_ptr, (u32)hw_p->txbuf_ptr + len - 1);
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/*-----------------------------------------------------------------------+
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* set TX Buffer busy, and send it
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@ -1568,7 +1566,7 @@ static int ppc_4xx_eth_rx (struct eth_device *dev)
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/* NetReceive(NetRxPackets[i], length); */
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invalidate_dcache_range((u32)hw_p->rx[user_index].data_ptr,
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(u32)hw_p->rx[user_index].data_ptr +
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length - 4);
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length - 4 - 1);
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NetReceive (NetRxPackets[user_index], length - 4);
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/* Free Recv Buffer */
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hw_p->rx[user_index].ctrl |= MAL_RX_CTRL_EMPTY;
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