CSR20              80 drivers/net/ethernet/amd/ariadne.h #define CSR20		0x1400	/*   Current Transmit Buffer Address */
CSR20             124 drivers/net/ethernet/dec/tulip/tulip.h 	CSR20 = 0x90,
CSR20             255 drivers/net/wireless/ralink/rt2x00/rt2400pci.h #define CSR20				0x0050
CSR20             332 drivers/net/wireless/ralink/rt2x00/rt2500pci.h #define CSR20				0x0050