[PATCH 3/8] [MV643XX_ETH] Disable RX/TX byte swapping on little-endian systems
From: Lennert Buytenhek <hidden>
Date: 2007-10-19 02:10:31
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 <redacted> Acked-by: Tzachi Perelstein <redacted> Index: linux-2.6/drivers/net/mv643xx_eth.h ===================================================================
--- linux-2.6.orig/drivers/net/mv643xx_eth.h
+++ linux-2.6/drivers/net/mv643xx_eth.h@@ -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