diff options
author | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2011-05-13 23:29:12 +0200 |
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committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2011-08-11 11:41:59 +0200 |
commit | 9aa3283595451ca093500ff0977b106e1f465586 (patch) | |
tree | 89cd128f037b029b67f73fbff7d8cc38177c2b27 /drivers/net/ibm_newemac/tah.c | |
parent | s2io/vxge: Move the Exar drivers (diff) | |
download | linux-9aa3283595451ca093500ff0977b106e1f465586.tar.xz linux-9aa3283595451ca093500ff0977b106e1f465586.zip |
ehea/ibm*: Move the IBM drivers
Move the IBM drivers into drivers/net/ethernet/ibm/ and make the
necessary Kconfig and Makefile changes.
- Renamed ibm_new_emac to emac
- Cleaned up Makefile and Kconfig options which referred to
IBM_NEW_EMAC to IBM_EMAC
- ibmlana driver is a National Semiconductor SONIC driver so
it was not moved
CC: Christoph Raisch <raisch@de.ibm.com>
CC: Santiago Leon <santil@linux.vnet.ibm.com>
CC: Benjamin Herrenschmidt <benh@kernel.crashing.org>
CC: David Gibson <dwg@au1.ibm.com>
CC: Kyle Lucke <klucke@us.ibm.com>
CC: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ibm_newemac/tah.c')
-rw-r--r-- | drivers/net/ibm_newemac/tah.c | 185 |
1 files changed, 0 insertions, 185 deletions
diff --git a/drivers/net/ibm_newemac/tah.c b/drivers/net/ibm_newemac/tah.c deleted file mode 100644 index 5f51bf7c9dc5..000000000000 --- a/drivers/net/ibm_newemac/tah.c +++ /dev/null @@ -1,185 +0,0 @@ -/* - * drivers/net/ibm_newemac/tah.c - * - * Driver for PowerPC 4xx on-chip ethernet controller, TAH support. - * - * Copyright 2007 Benjamin Herrenschmidt, IBM Corp. - * <benh@kernel.crashing.org> - * - * Based on the arch/ppc version of the driver: - * - * 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 "emac.h" -#include "core.h" - -int __devinit tah_attach(struct platform_device *ofdev, int channel) -{ - struct tah_instance *dev = dev_get_drvdata(&ofdev->dev); - - mutex_lock(&dev->lock); - /* Reset has been done at probe() time... nothing else to do for now */ - ++dev->users; - mutex_unlock(&dev->lock); - - return 0; -} - -void tah_detach(struct platform_device *ofdev, int channel) -{ - struct tah_instance *dev = dev_get_drvdata(&ofdev->dev); - - mutex_lock(&dev->lock); - --dev->users; - mutex_unlock(&dev->lock); -} - -void tah_reset(struct platform_device *ofdev) -{ - struct tah_instance *dev = dev_get_drvdata(&ofdev->dev); - struct tah_regs __iomem *p = dev->base; - 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 "%s: reset timeout\n", - ofdev->dev.of_node->full_name); - - /* 10KB TAH TX FIFO accommodates 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 platform_device *ofdev) -{ - return sizeof(struct emac_ethtool_regs_subhdr) + - sizeof(struct tah_regs); -} - -void *tah_dump_regs(struct platform_device *ofdev, void *buf) -{ - struct tah_instance *dev = dev_get_drvdata(&ofdev->dev); - struct emac_ethtool_regs_subhdr *hdr = buf; - struct tah_regs *regs = (struct tah_regs *)(hdr + 1); - - hdr->version = 0; - hdr->index = 0; /* for now, are there chips with more than one - * zmii ? if yes, then we'll add a cell_index - * like we do for emac - */ - memcpy_fromio(regs, dev->base, sizeof(struct tah_regs)); - return regs + 1; -} - -static int __devinit tah_probe(struct platform_device *ofdev) -{ - struct device_node *np = ofdev->dev.of_node; - struct tah_instance *dev; - struct resource regs; - int rc; - - rc = -ENOMEM; - dev = kzalloc(sizeof(struct tah_instance), GFP_KERNEL); - if (dev == NULL) { - printk(KERN_ERR "%s: could not allocate TAH device!\n", - np->full_name); - goto err_gone; - } - - mutex_init(&dev->lock); - dev->ofdev = ofdev; - - rc = -ENXIO; - if (of_address_to_resource(np, 0, ®s)) { - printk(KERN_ERR "%s: Can't get registers address\n", - np->full_name); - goto err_free; - } - - rc = -ENOMEM; - dev->base = (struct tah_regs __iomem *)ioremap(regs.start, - sizeof(struct tah_regs)); - if (dev->base == NULL) { - printk(KERN_ERR "%s: Can't map device registers!\n", - np->full_name); - goto err_free; - } - - dev_set_drvdata(&ofdev->dev, dev); - - /* Initialize TAH and enable IPv4 checksum verification, no TSO yet */ - tah_reset(ofdev); - - printk(KERN_INFO - "TAH %s initialized\n", ofdev->dev.of_node->full_name); - wmb(); - - return 0; - - err_free: - kfree(dev); - err_gone: - return rc; -} - -static int __devexit tah_remove(struct platform_device *ofdev) -{ - struct tah_instance *dev = dev_get_drvdata(&ofdev->dev); - - dev_set_drvdata(&ofdev->dev, NULL); - - WARN_ON(dev->users != 0); - - iounmap(dev->base); - kfree(dev); - - return 0; -} - -static struct of_device_id tah_match[] = -{ - { - .compatible = "ibm,tah", - }, - /* For backward compat with old DT */ - { - .type = "tah", - }, - {}, -}; - -static struct platform_driver tah_driver = { - .driver = { - .name = "emac-tah", - .owner = THIS_MODULE, - .of_match_table = tah_match, - }, - .probe = tah_probe, - .remove = tah_remove, -}; - -int __init tah_init(void) -{ - return platform_driver_register(&tah_driver); -} - -void tah_exit(void) -{ - platform_driver_unregister(&tah_driver); -} |