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Commit 9f316841 authored by Lennert Buytenhek's avatar Lennert Buytenhek Committed by Dale Farnsworth
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mv643xx_eth: Disable RX/TX byte swapping on little-endian systems 



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: default avatarLennert Buytenhek <buytenh@marvell.com>
Acked-by: default avatarTzachi Perelstein <tzachi@marvell.com>
Signed-off-by: default avatarDale Farnsworth <dale@farnsworth.org>
parent e2734d6c

drivers/net/mv643xx_eth.h

+11 −0
Original line number Diff line number Diff line
@@ -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