path: root/drivers/net/netxen/netxen_nic_init.c

/*
 * Copyright (C) 2003 - 2006 NetXen, Inc.
 * All rights reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
 * MA  02111-1307, USA.
 *
 * The full GNU General Public License is included in this distribution
 * in the file called LICENSE.
 *
 * Contact Information:
 *    info@netxen.com
 * NetXen,
 * 3965 Freedom Circle, Fourth floor,
 * Santa Clara, CA 95054
 *
 *
 * Source file for NIC routines to initialize the Phantom Hardware
 *
 */

#include <linux/netdevice.h>
#include <linux/delay.h>
#include "netxen_nic.h"
#include "netxen_nic_hw.h"
#include "netxen_nic_phan_reg.h"

struct crb_addr_pair {
	long addr;
	long data;
};

#define NETXEN_MAX_CRB_XFORM 60
static unsigned int crb_addr_xform[NETXEN_MAX_CRB_XFORM];
#define NETXEN_ADDR_ERROR ((unsigned long ) 0xffffffff )

#define crb_addr_transform(name) \
	crb_addr_xform[NETXEN_HW_PX_MAP_CRB_##name] = \
	NETXEN_HW_CRB_HUB_AGT_ADR_##name << 20

#define NETXEN_NIC_XDMA_RESET 0x8000ff

static inline void
netxen_nic_locked_write_reg(struct netxen_adapter *adapter,
			    unsigned long off, int *data)
{
	void __iomem *addr = pci_base_offset(adapter, off);
	writel(*data, addr);
}

static void crb_addr_transform_setup(void)
{
	crb_addr_transform(XDMA);
	crb_addr_transform(TIMR);
	crb_addr_transform(SRE);
	crb_addr_transform(SQN3);
	crb_addr_transform(SQN2);
	crb_addr_transform(SQN1);
	crb_addr_transform(SQN0);
	crb_addr_transform(SQS3);
	crb_addr_transform(SQS2);
	crb_addr_transform(SQS1);
	crb_addr_transform(SQS0);
	crb_addr_transform(RPMX7);
	crb_addr_transform(RPMX6);
	crb_addr_transform(RPMX5);
	crb_addr_transform(RPMX4);
	crb_addr_transform(RPMX3);
	crb_addr_transform(RPMX2);
	crb_addr_transform(RPMX1);
	crb_addr_transform(RPMX0);
	crb_addr_transform(ROMUSB);
	crb_addr_transform(SN);
	crb_addr_transform(QMN);
	crb_addr_transform(QMS);
	crb_addr_transform(PGNI);
	crb_addr_transform(PGND);
	crb_addr_transform(PGN3);
	crb_addr_transform(PGN2);
	crb_addr_transform(PGN1);
	crb_addr_transform(PGN0);
	crb_addr_transform(PGSI);
	crb_addr_transform(PGSD);
	crb_addr_transform(PGS3);
	crb_addr_transform(PGS2);
	crb_addr_transform(PGS1);
	crb_addr_transform(PGS0);
	crb_addr_transform(PS);
	crb_addr_transform(PH);
	crb_addr_transform(NIU);
	crb_addr_transform(I2Q);
	crb_addr_transform(EG);
	crb_addr_transform(MN);
	crb_addr_transform(MS);
	crb_addr_transform(CAS2);
	crb_addr_transform(CAS1);
	crb_addr_transform(CAS0);
	crb_addr_transform(CAM);
	crb_addr_transform(C2C1);
	crb_addr_transform(C2C0);
	crb_addr_transform(SMB);
}

int netxen_init_firmware(struct netxen_adapter *adapter)
{
	u32 state = 0, loops = 0, err = 0;

	/* Window 1 call */
	state = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE));

	if (state == PHAN_INITIALIZE_ACK)
		return 0;

	while (state != PHAN_INITIALIZE_COMPLETE && loops < 2000) {
		udelay(100);
		/* Window 1 call */
		state = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE));

		loops++;
	}
	if (loops >= 2000) {
		printk(KERN_ERR "Cmd Peg initialization not complete:%x.\n",
		       state);
		err = -EIO;
		return err;
	}
	/* Window 1 call */
	writel(MPORT_SINGLE_FUNCTION_MODE,
	       NETXEN_CRB_NORMALIZE(adapter, CRB_MPORT_MODE));
	writel(PHAN_INITIALIZE_ACK,
	       NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE));

	return err;
}

#define NETXEN_ADDR_LIMIT 0xffffffffULL

void *netxen_alloc(struct pci_dev *pdev, size_t sz, dma_addr_t * ptr,
		   struct pci_dev **used_dev)
{
	void *addr;

	addr = pci_alloc_consistent(pdev, sz, ptr);
	if ((unsigned long long)(*ptr) < NETXEN_ADDR_LIMIT) {
		*used_dev = pdev;
		return addr;
	}
	pci_free_consistent(pdev, sz, addr, *ptr);
	addr = pci_alloc_consistent(NULL, sz, ptr);
	*used_dev = NULL;
	return addr;
}

void netxen_initialize_adapter_sw(struct netxen_adapter *adapter)
{
	int ctxid, ring;
	u32 i;
	u32 num_rx_bufs = 0;
	struct netxen_rcv_desc_ctx *rcv_desc;

	DPRINTK(INFO, "initializing some queues: %p\n", adapter);
	for (ctxid = 0; ctxid < MAX_RCV_CTX; ++ctxid) {
		for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) {
			struct netxen_rx_buffer *rx_buf;
			rcv_desc = &adapter->recv_ctx[ctxid].rcv_desc[ring];
			rcv_desc->rcv_free = rcv_desc->max_rx_desc_count;
			rcv_desc->begin_alloc = 0;
			rx_buf = rcv_desc->rx_buf_arr;
			num_rx_bufs = rcv_desc->max_rx_desc_count;
			/*
			 * Now go through all of them, set reference handles
			 * and put them in the queues.
			 */
			for (i = 0; i < num_rx_bufs; i++) {
				rx_buf->ref_handle = i;
				rx_buf->state = NETXEN_BUFFER_FREE;
				DPRINTK(INFO, "Rx buf:ctx%d i(%d) rx_buf:"
					"%p\n", ctxid, i, rx_buf);
				rx_buf++;
			}
		}
	}
}

void netxen_initialize_adapter_hw(struct netxen_adapter *adapter)
{
	int ports = 0;
	struct netxen_board_info *board_info = &(adapter->ahw.boardcfg);

	if (netxen_nic_get_board_info(adapter) != 0)
		printk("%s: Error getting board config info.\n",
		       netxen_nic_driver_name);
	get_brd_port_by_type(board_info->board_type, &ports);
	if (ports == 0)
		printk(KERN_ERR "%s: Unknown board type\n",
		       netxen_nic_driver_name);
	adapter->ahw.max_ports = ports;
}

void netxen_initialize_adapter_ops(struct netxen_adapter *adapter)
{
	switch (adapter->ahw.board_type) {
	case NETXEN_NIC_GBE:
		adapter->enable_phy_interrupts =
		    netxen_niu_gbe_enable_phy_interrupts;
		adapter->disable_phy_interrupts =
		    netxen_niu_gbe_disable_phy_interrupts;
		adapter->handle_phy_intr = netxen_nic_gbe_handle_phy_intr;
		adapter->macaddr_set = netxen_niu_macaddr_set;
		adapter->set_mtu = netxen_nic_set_mtu_gb;
		adapter->set_promisc = netxen_niu_set_promiscuous_mode;
		adapter->unset_promisc = netxen_niu_set_promiscuous_mode;
		adapter->phy_read = netxen_niu_gbe_phy_read;
		adapter->phy_write = netxen_niu_gbe_phy_write;
		adapter->init_port = netxen_niu_gbe_init_port;
		adapte