465 static struct depca_private	lp;  variable
480 	lp.rx_cur = lp.tx_cur = 0;  in depca_init_ring()
482 	for (i = 0; i <= lp.rxRingMask; i++) {  in depca_init_ring()
483 		writel((p = lp.dma_buffs + i * RX_BUFF_SZ) | R_OWN, &lp.rx_ring[i].base);  in depca_init_ring()
484 		writew(-RX_BUFF_SZ, &lp.rx_ring[i].buf_length);  in depca_init_ring()
485 		lp.rx_memcpy[i] = (char *) (p + lp.bus_offset);  in depca_init_ring()
487 	for (i = 0; i <= lp.txRingMask; i++) {  in depca_init_ring()
488 …writel((p = lp.dma_buffs + (i + lp.txRingMask + 1) * TX_BUFF_SZ) & 0x00ffffff, &lp.tx_ring[i].base…  in depca_init_ring()
489 		lp.tx_memcpy[i] = (char *) (p + lp.bus_offset);  in depca_init_ring()
493 	lp.init_block.rx_ring = ((u32) ((u32) lp.rx_ring) & LA_MASK) | lp.rx_rlen;  in depca_init_ring()
494 	lp.init_block.tx_ring = ((u32) ((u32) lp.tx_ring) & LA_MASK) | lp.tx_rlen;  in depca_init_ring()
496 		lp.init_block.phys_addr[i] = nic->node_addr[i];  in depca_init_ring()
497 	lp.init_block.mode = 0x0000;	/* Enable the Tx and Rx */  in depca_init_ring()
498 	memset(lp.init_block.mcast_table, 0, sizeof(lp.init_block.mcast_table));  in depca_init_ring()
504 	outw((u16) (lp.sh_mem & LA_MASK), DEPCA_DATA);  in LoadCSRs()
506 	outw((u16) ((lp.sh_mem & LA_MASK) >> 16), DEPCA_DATA);  in LoadCSRs()
517 	memcpy_toio((char *)lp.sh_mem, &lp.init_block, sizeof(struct depca_init));  in InitRestartDepca()
552 	lp.sh_mem = mem_start;  in depca_reset()
556 	lp.rx_ring = (struct depca_rx_desc *) mem_start;  in depca_reset()
558 	lp.tx_ring = (struct depca_tx_desc *) mem_start;  in depca_reset()
561 	lp.bus_offset = mem_start & 0x00ff0000;  in depca_reset()
563 	lp.dma_buffs = mem_start & LA_MASK;  in depca_reset()
566 	lp.rxRingMask = NUM_RX_DESC - 1;  in depca_reset()
567 	lp.txRingMask = NUM_TX_DESC - 1;  in depca_reset()
570 	for (i = 0, j = lp.rxRingMask; j > 0; i++) {  in depca_reset()
573 	lp.rx_rlen = (s32) (i << 29);  in depca_reset()
574 	for (i = 0, j = lp.txRingMask; j > 0; i++) {  in depca_reset()
577 	lp.tx_rlen = (s32) (i << 29);  in depca_reset()
593 	entry = lp.rx_cur;  in depca_poll()
594 	if ((status = readl(&lp.rx_ring[entry].base) & R_OWN))  in depca_poll()
596 	memcpy(nic->packet, lp.rx_memcpy[entry], nic->packetlen = lp.rx_ring[entry].msg_length);  in depca_poll()
597 	lp.rx_ring[entry].base |= R_OWN;  in depca_poll()
598 	lp.rx_cur = (++lp.rx_cur) & lp.rxRingMask;  in depca_poll()
621 	mem = lp.tx_memcpy[entry = lp.tx_cur];  in depca_transmit()
630 	writel(readl(&lp.tx_ring[entry].base) & ~T_FLAGS, &lp.tx_ring[entry].base);  in depca_transmit()
632 	writew(0x0000, &lp.tx_ring[entry].misc);  in depca_transmit()
634 	writew(-len, &lp.tx_ring[entry].length);  in depca_transmit()
636 	writel(readl(&lp.tx_ring[entry].base) | (T_STP|T_ENP|T_OWN), &lp.tx_ring[entry].base);  in depca_transmit()
638 	lp.tx_cur = (++lp.tx_cur) & lp.txRingMask;  in depca_transmit()