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mv643xx_eth: Disable RX/TX byte swapping on little-endian systems

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On little-endian systems, configure the SDMA unit with
MV643XX_ETH_BLM_RX_NO_SWAP and MV643XX_ETH_BLM_TX_NO_SWAP.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Acked-by: Tzachi Perelstein <tzachi@marvell.com>
Signed-off-by: Dale Farnsworth <dale@farnsworth.org>
This commit is contained in:
Lennert Buytenhek 2007-10-19 04:10:28 +02:00 committed by Dale Farnsworth
parent e2734d6c61
commit 9f31684144
1 changed files with 11 additions and 0 deletions
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11
drivers/net/mv643xx_eth.h
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@ -266,10 +266,21 @@
#define MV643XX_ETH_IPG_INT_RX(value) ((value & 0x3fff) << 8)
#if defined(__BIG_ENDIAN)
#define MV643XX_ETH_PORT_SDMA_CONFIG_DEFAULT_VALUE \
MV643XX_ETH_RX_BURST_SIZE_4_64BIT | \
MV643XX_ETH_IPG_INT_RX(0) | \
MV643XX_ETH_TX_BURST_SIZE_4_64BIT
#elif defined(__LITTLE_ENDIAN)
#define MV643XX_ETH_PORT_SDMA_CONFIG_DEFAULT_VALUE \
MV643XX_ETH_RX_BURST_SIZE_4_64BIT | \
MV643XX_ETH_BLM_RX_NO_SWAP | \
MV643XX_ETH_BLM_TX_NO_SWAP | \
MV643XX_ETH_IPG_INT_RX(0) | \
MV643XX_ETH_TX_BURST_SIZE_4_64BIT
#else
#error One of __BIG_ENDIAN or __LITTLE_ENDIAN must be defined
#endif
/* These macros describe Ethernet Port serial control reg (PSCR) bits */
#define MV643XX_ETH_SERIAL_PORT_DISABLE 0