diff options
Diffstat (limited to 'drivers/net/ibm_emac/ibm_emac_tah.c')
| -rw-r--r-- | drivers/net/ibm_emac/ibm_emac_tah.c | 110 | 
1 files changed, 0 insertions, 110 deletions
diff --git a/drivers/net/ibm_emac/ibm_emac_tah.c b/drivers/net/ibm_emac/ibm_emac_tah.c deleted file mode 100644 index 3c2d5ba522a..00000000000 --- a/drivers/net/ibm_emac/ibm_emac_tah.c +++ /dev/null @@ -1,110 +0,0 @@ -/* - * drivers/net/ibm_emac/ibm_emac_tah.c - * - * Driver for PowerPC 4xx on-chip ethernet controller, TAH support. - * - * Copyright 2004 MontaVista Software, Inc. - * Matt Porter <mporter@kernel.crashing.org> - * - * Copyright (c) 2005 Eugene Surovegin <ebs@ebshome.net> - * - * 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. - */ -#include <asm/io.h> - -#include "ibm_emac_core.h" - -static int __init tah_init(struct ocp_device *ocpdev) -{ -	struct tah_regs *p; - -	if (ocp_get_drvdata(ocpdev)) { -		printk(KERN_ERR "tah%d: already in use!\n", ocpdev->def->index); -		return -EBUSY; -	} - -	/* Initialize TAH and enable IPv4 checksum verification, no TSO yet */ -	p = (struct tah_regs *)ioremap(ocpdev->def->paddr, sizeof(*p)); -	if (!p) { -		printk(KERN_ERR "tah%d: could not ioremap device registers!\n", -		       ocpdev->def->index); -		return -ENOMEM; -	} -	ocp_set_drvdata(ocpdev, p); -	__tah_reset(ocpdev); - -	return 0; -} - -int __init tah_attach(void *emac) -{ -	struct ocp_enet_private *dev = emac; -	struct ocp_func_emac_data *emacdata = dev->def->additions; - -	/* Check if we need to attach to a TAH */ -	if (emacdata->tah_idx >= 0) { -		dev->tah_dev = ocp_find_device(OCP_ANY_ID, OCP_FUNC_TAH, -					       emacdata->tah_idx); -		if (!dev->tah_dev) { -			printk(KERN_ERR "emac%d: unknown tah%d!\n", -			       dev->def->index, emacdata->tah_idx); -			return -ENODEV; -		} -		if (tah_init(dev->tah_dev)) { -			printk(KERN_ERR -			       "emac%d: tah%d initialization failed!\n", -			       dev->def->index, emacdata->tah_idx); -			return -ENODEV; -		} -	} -	return 0; -} - -void __tah_fini(struct ocp_device *ocpdev) -{ -	struct tah_regs *p = ocp_get_drvdata(ocpdev); -	BUG_ON(!p); -	ocp_set_drvdata(ocpdev, NULL); -	iounmap((void *)p); -} - -void __tah_reset(struct ocp_device *ocpdev) -{ -	struct tah_regs *p = ocp_get_drvdata(ocpdev); -	int n; - -	/* Reset TAH */ -	out_be32(&p->mr, TAH_MR_SR); -	n = 100; -	while ((in_be32(&p->mr) & TAH_MR_SR) && n) -		--n; - -	if (unlikely(!n)) -		printk(KERN_ERR "tah%d: reset timeout\n", ocpdev->def->index); - -	/* 10KB TAH TX FIFO accomodates the max MTU of 9000 */ -	out_be32(&p->mr, -		 TAH_MR_CVR | TAH_MR_ST_768 | TAH_MR_TFS_10KB | TAH_MR_DTFP | -		 TAH_MR_DIG); -} - -int __tah_get_regs_len(struct ocp_device *ocpdev) -{ -	return sizeof(struct emac_ethtool_regs_subhdr) + -	    sizeof(struct tah_regs); -} - -void *tah_dump_regs(struct ocp_device *ocpdev, void *buf) -{ -	struct tah_regs *dev = ocp_get_drvdata(ocpdev); -	struct emac_ethtool_regs_subhdr *hdr = buf; -	struct tah_regs *regs = (struct tah_regs *)(hdr + 1); - -	hdr->version = 0; -	hdr->index = ocpdev->def->index; -	memcpy_fromio(regs, dev, sizeof(struct tah_regs)); -	return regs + 1; -}  | 
