Lines Matching +full:bd +full:- +full:address

1 /* SPDX-License-Identifier: GPL-2.0 */
3  * Copyright (C) 2004-2013 Synopsys, Inc. (www.synopsys.com)
12 #include <linux/dma-mapping.h>
27 #define TXPL_MASK	(1 << 31)	/* Force polling of BD by EMAC */
34 #define ENFL_MASK	(1 << 10)	/* Enable Full-duplex */
38 #define OWN_MASK	(1 << 31)	/* 0-CPU or 1-EMAC owns buffer */
77  * struct arc_emac_bd - EMAC buffer descriptor (BD).
80  * @data:	32-bit byte addressable pointer to the packet data.
87 /* Number of Rx/Tx BD's */
95  * struct buffer_state - Stores Rx/Tx buffer state.
97  * @addr:	Start address of DMA-mapped memory region.
98  * @len:	Length of DMA-mapped memory region.
112  * struct arc_emac_priv - Storage of EMAC's private information.
116  * @regs:	Base address of EMAC memory-mapped control registers.
118  * @rxbd:	Pointer to Rx BD ring.
119  * @txbd:	Pointer to Tx BD ring.
120  * @rxbd_dma:	DMA handle for Rx BD ring.
121  * @txbd_dma:	DMA handle for Tx BD ring.
124  * @txbd_curr:	Index of Tx BD to use on the next "ndo_start_xmit".
125  * @txbd_dirty:	Index of Tx BD to free on the next Tx interrupt.
126  * @last_rx_bd:	Index of the last Rx BD we've got from EMAC.
166  * arc_reg_set - Sets EMAC register with provided value.
168  * @reg:	Register offset from base address.
173 	iowrite32(value, priv->regs + reg * sizeof(int));  in arc_reg_set()
177  * arc_reg_get - Gets value of specified EMAC register.
179  * @reg:	Register offset from base address.
185 	return ioread32(priv->regs + reg * sizeof(int));  in arc_reg_get()
189  * arc_reg_or - Applies mask to specified EMAC register - ("reg" | "mask").
191  * @reg:	Register offset from base address.
205  * arc_reg_clr - Applies mask to specified EMAC register - ("reg" & ~"mask").
207  * @reg:	Register offset from base address.