37448f7d39
This patch replaces current PowerPC 4xx EMAC driver with new, re-written from the scratch version. This patch is quite big (~234K) because there is virtualy 0% of common code between old and new version. New driver uses NAPI, it solves stability problems under heavy packet load and low memory, corrects chip register access and fixes numerous small bugs I don't even remember now. This patch has been tested on all supported in 2.6 PPC 4xx boards. It's been used in production for almost a year now on custom 4xx hardware. PPC32 specific parts are already upstream. Patch was acked by the current EMAC driver maintainer (Matt Porter). I will be maintaining this new version. Signed-off-by: Eugene Surovegin <ebs@ebshome.net> -- Kconfig | 72 ibm_emac/Makefile | 13 ibm_emac/ibm_emac.h | 418 +++-- ibm_emac/ibm_emac_core.c | 3414 ++++++++++++++++++++++++---------------------- ibm_emac/ibm_emac_core.h | 313 ++-- ibm_emac/ibm_emac_debug.c | 377 ++--- ibm_emac/ibm_emac_debug.h | 63 ibm_emac/ibm_emac_mal.c | 674 +++++---- ibm_emac/ibm_emac_mal.h | 336 +++- ibm_emac/ibm_emac_phy.c | 335 ++-- ibm_emac/ibm_emac_phy.h | 105 - ibm_emac/ibm_emac_rgmii.c | 201 ++ ibm_emac/ibm_emac_rgmii.h | 68 ibm_emac/ibm_emac_tah.c | 111 + ibm_emac/ibm_emac_tah.h | 96 - ibm_emac/ibm_emac_zmii.c | 255 +++ ibm_emac/ibm_emac_zmii.h | 114 - 17 files changed, 4114 insertions(+), 2851 deletions(-) Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
88 lines
2.1 KiB
C
88 lines
2.1 KiB
C
/*
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* drivers/net/ibm_emac/ibm_emac_tah.h
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*
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* Driver for PowerPC 4xx on-chip ethernet controller, TAH support.
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*
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* Copyright 2004 MontaVista Software, Inc.
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* Matt Porter <mporter@kernel.crashing.org>
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*
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* Copyright (c) 2005 Eugene Surovegin <ebs@ebshome.net>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*/
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#ifndef _IBM_EMAC_TAH_H
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#define _IBM_EMAC_TAH_H
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#include <linux/config.h>
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#include <linux/init.h>
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#include <asm/ocp.h>
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/* TAH */
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struct tah_regs {
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u32 revid;
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u32 pad[3];
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u32 mr;
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u32 ssr0;
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u32 ssr1;
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u32 ssr2;
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u32 ssr3;
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u32 ssr4;
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u32 ssr5;
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u32 tsr;
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};
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/* TAH engine */
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#define TAH_MR_CVR 0x80000000
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#define TAH_MR_SR 0x40000000
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#define TAH_MR_ST_256 0x01000000
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#define TAH_MR_ST_512 0x02000000
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#define TAH_MR_ST_768 0x03000000
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#define TAH_MR_ST_1024 0x04000000
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#define TAH_MR_ST_1280 0x05000000
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#define TAH_MR_ST_1536 0x06000000
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#define TAH_MR_TFS_16KB 0x00000000
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#define TAH_MR_TFS_2KB 0x00200000
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#define TAH_MR_TFS_4KB 0x00400000
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#define TAH_MR_TFS_6KB 0x00600000
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#define TAH_MR_TFS_8KB 0x00800000
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#define TAH_MR_TFS_10KB 0x00a00000
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#define TAH_MR_DTFP 0x00100000
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#define TAH_MR_DIG 0x00080000
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#ifdef CONFIG_IBM_EMAC_TAH
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int tah_attach(void *emac) __init;
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void __tah_fini(struct ocp_device *ocpdev) __exit;
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static inline void tah_fini(struct ocp_device *ocpdev)
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{
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if (ocpdev)
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__tah_fini(ocpdev);
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}
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void __tah_reset(struct ocp_device *ocpdev);
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static inline void tah_reset(struct ocp_device *ocpdev)
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{
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if (ocpdev)
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__tah_reset(ocpdev);
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}
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int __tah_get_regs_len(struct ocp_device *ocpdev);
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static inline int tah_get_regs_len(struct ocp_device *ocpdev)
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{
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return ocpdev ? __tah_get_regs_len(ocpdev) : 0;
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}
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void *tah_dump_regs(struct ocp_device *ocpdev, void *buf);
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#else
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# define tah_attach(x) 0
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# define tah_fini(x) ((void)0)
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# define tah_reset(x) ((void)0)
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# define tah_get_regs_len(x) 0
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# define tah_dump_regs(x,buf) (buf)
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#endif /* !CONFIG_IBM_EMAC_TAH */
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#endif /* _IBM_EMAC_TAH_H */
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