From patchwork Tue Mar 24 11:14:18 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bartlomiej Zolnierkiewicz X-Patchwork-Id: 1260581 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-ide-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=samsung.com Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=samsung.com header.i=@samsung.com header.a=rsa-sha256 header.s=mail20170921 header.b=l1sg+vul; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 48mpYc69XFz9sSM for ; Tue, 24 Mar 2020 22:14:44 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727328AbgCXLOm (ORCPT ); Tue, 24 Mar 2020 07:14:42 -0400 Received: from mailout1.w1.samsung.com ([210.118.77.11]:43104 "EHLO mailout1.w1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726524AbgCXLOm (ORCPT ); Tue, 24 Mar 2020 07:14:42 -0400 Received: from eucas1p1.samsung.com (unknown [182.198.249.206]) by mailout1.w1.samsung.com (KnoxPortal) with ESMTP id 20200324111438euoutp0183f679324f68197d264f6320507b5e06~-OTGMM8QP0297202972euoutp01N for ; Tue, 24 Mar 2020 11:14:38 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 mailout1.w1.samsung.com 20200324111438euoutp0183f679324f68197d264f6320507b5e06~-OTGMM8QP0297202972euoutp01N DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=samsung.com; s=mail20170921; t=1585048478; bh=rZU86bPh/aH6W2sMV3P2LgAjr6+x/zR+YVnW+iwQ27g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=l1sg+vul1nXy20HVu5lU5l1csWx37hQrf1sQ6CSVvK1TlSQyhiweFvdLMBkXK2Mql 9k5pJEMAhEDu2wmG6lteQp0jC3ABDLRtvOu4KTfXgrWZhMhXbAFiwujTnl3+gSpiBK tV+Qo06+Ku+c8aeW7ud+Ptq7QcHJIK3P+c2+i9H4= Received: from eusmges3new.samsung.com (unknown [203.254.199.245]) by eucas1p2.samsung.com (KnoxPortal) with ESMTP id 20200324111438eucas1p2a1a57d8cf7578f596f6421e9a639942e~-OTFw4uwN1713117131eucas1p2n; Tue, 24 Mar 2020 11:14:38 +0000 (GMT) Received: from eucas1p2.samsung.com ( [182.198.249.207]) by eusmges3new.samsung.com (EUCPMTA) with SMTP id EB.40.60698.E9BE97E5; Tue, 24 Mar 2020 11:14:38 +0000 (GMT) Received: from eusmtrp2.samsung.com (unknown [182.198.249.139]) by eucas1p2.samsung.com (KnoxPortal) with ESMTPA id 20200324111438eucas1p2782c2888843f643f21d6168bcda1c3fc~-OTFgcLo63242832428eucas1p2v; Tue, 24 Mar 2020 11:14:38 +0000 (GMT) Received: from eusmgms2.samsung.com (unknown [182.198.249.180]) by eusmtrp2.samsung.com (KnoxPortal) with ESMTP id 20200324111438eusmtrp28a880487f7c41aaf8e77e8c17c099de3~-OTFfxgUT0435704357eusmtrp20; Tue, 24 Mar 2020 11:14:38 +0000 (GMT) X-AuditID: cbfec7f5-a0fff7000001ed1a-25-5e79eb9eff7b Received: from eusmtip1.samsung.com ( [203.254.199.221]) by eusmgms2.samsung.com (EUCPMTA) with SMTP id 76.BE.07950.D9BE97E5; Tue, 24 Mar 2020 11:14:38 +0000 (GMT) Received: from AMDC3058.digital.local (unknown [106.120.51.71]) by eusmtip1.samsung.com (KnoxPortal) with ESMTPA id 20200324111437eusmtip1da40233741759ae61cbc5c4413eae9e8~-OTE7eY5G3124631246eusmtip1B; Tue, 24 Mar 2020 11:14:37 +0000 (GMT) From: Bartlomiej Zolnierkiewicz To: Thomas Bogendoerfer Cc: "David S . Miller" , Ralf Baechle , Paul Burton , James Hogan , Jonathan Corbet , Manuel Lauss , Christoph Hellwig , linux-ide@vger.kernel.org, linux-mips@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, b.zolnierkie@samsung.com Subject: [PATCH v2 1/3] ide: remove no longer used au1xxx-ide driver Date: Tue, 24 Mar 2020 12:14:18 +0100 Message-Id: <20200324111420.31793-2-b.zolnierkie@samsung.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200324111420.31793-1-b.zolnierkie@samsung.com> MIME-Version: 1.0 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrCKsWRmVeSWpSXmKPExsWy7djP87rzXlfGGTzZImyxccZ6VosnB9oZ Leacb2GxWLn6KJPFxBOfWCwWti1hsTi24xGTxeVdc9gsOjdtZbS49uURu0Xf62PMFpf2qFgc bjrI7MDr0XppOYvHlpU3mTx2zrrL7rFpVSebx9GVa5k8dt9sYPNY3DeZ1eP1kYcsHn1bVjF6 fN4kF8AVxWWTkpqTWZZapG+XwJXxra+btWD9ZMaKzS8NGxjnlncxcnJICJhIXGlpYwexhQRW MErs/MPXxcgFZH9hlOi71QiV+Mwoce2jOUzDtV/HmSGKljNKTJ25nBGuo+vgYVaQKjYBK4mJ 7asYQWwRAWOJ9Vt3s4IUMQtMYZbYfmYeC0hCWMBFounjVrAGFgFVie/rm8HW8QrYSqz585sd Yp28xNZvn8BqOAXsJDYfX8cIUSMocXLmE7A5zEA1zVtng50kIfCSXWLy+cNsEM0uEs2fTjJD 2MISr45vgRoqI/F/53wmiIZ1jBJ/O15AdW9nlFg++R9Ut7XEnXO/gGwOoBWaEut36YOYEgKO EiemGEGYfBI33gpC3MAnMWnbdGaIMK9ER5sQxAw1iQ3LNrDBbO3auRLqGg+JG21rGCcwKs5C 8s0sJN/MQli7gJF5FaN4amlxbnpqsXFearlecWJucWleul5yfu4mRmBaO/3v+NcdjPv+JB1i FOBgVOLh1XhYGSfEmlhWXJl7iFGCg1lJhHdzakWcEG9KYmVValF+fFFpTmrxIUZpDhYlcV7j RS9jhQTSE0tSs1NTC1KLYLJMHJxSDYyW0fLHrtV8n5HyQthU58GvKdHbOku2acwODHUXfrzx uNLjxbkTKyRXbDOrYAm537uNfYG3j9ErwcVtPKo7TVe/FTjOoLT49rSI5Bk7464rx6cbr9mo W37GrvWNxq+GxbtS1gZcttR2z5VttOC80C3BpO58bNJpPqUV1x9bMX4Q3+f978X7PQVKLMUZ iYZazEXFiQA9IkL5ZwMAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrMIsWRmVeSWpSXmKPExsVy+t/xu7rzXlfGGbw4wmSxccZ6VosnB9oZ Leacb2GxWLn6KJPFxBOfWCwWti1hsTi24xGTxeVdc9gsOjdtZbS49uURu0Xf62PMFpf2qFgc bjrI7MDr0XppOYvHlpU3mTx2zrrL7rFpVSebx9GVa5k8dt9sYPNY3DeZ1eP1kYcsHn1bVjF6 fN4kF8AVpWdTlF9akqqQkV9cYqsUbWhhpGdoaaFnZGKpZ2hsHmtlZKqkb2eTkpqTWZZapG+X oJfxra+btWD9ZMaKzS8NGxjnlncxcnJICJhIXPt1nLmLkYtDSGApo8Sxh2vYuxg5gBIyEsfX l0HUCEv8udbFBlHziVFi2oe3LCAJNgEriYntqxhBbBEBY4n1W3ezghQxC8xjlrjx4jITSEJY wEWi6eNWVhCbRUBV4vv6ZnYQm1fAVmLNn9/sEBvkJbZ++wRWwylgJ7H5+DqwoUJANa8+fYaq F5Q4OfMJ2GJmoPrmrbOZJzAKzEKSmoUktYCRaRWjSGppcW56brGRXnFibnFpXrpecn7uJkZg BG479nPLDsaud8GHGAU4GJV4eDUeVsYJsSaWFVfmHmKU4GBWEuHdnFoRJ8SbklhZlVqUH19U mpNafIjRFOiJicxSosn5wOSQVxJvaGpobmFpaG5sbmxmoSTO2yFwMEZIID2xJDU7NbUgtQim j4mDU6qBcd88li1xq8TOiTOm8IrE7Lix5oXHPIdfts47JjVtXqrgsW3TXfFWBS1ln4P7YtWn v5Sdt0qutElhPuOd9RNLM0+Yn7r5Su3byrdi3yJtW2Lf/bnk1JI3beqpvg51k4LZCY9n3lrv yrNv4zSVo/895v16xT///y99CV6jhiUJUX8+Hyg4trdzvbwSS3FGoqEWc1FxIgBSuNoT1gIA AA== X-CMS-MailID: 20200324111438eucas1p2782c2888843f643f21d6168bcda1c3fc X-Msg-Generator: CA X-RootMTR: 20200324111438eucas1p2782c2888843f643f21d6168bcda1c3fc X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20200324111438eucas1p2782c2888843f643f21d6168bcda1c3fc References: <20200324111420.31793-1-b.zolnierkie@samsung.com> Sender: linux-ide-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ide@vger.kernel.org Commit 54ff4a1d1732 ("MIPS: Alchemy: pata_platform for DB1200") from year 2014 converted the only user of au1xxx-ide IDE host driver (MIPS Alchemy DB1200 platform) to use pata_platform libata host driver instead. This patch removes dead au1xxx-ide driver code. Acked-by: David S. Miller Acked-by: Manuel Lauss Acked-by: Christoph Hellwig Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/Kconfig | 17 -- drivers/ide/Makefile | 2 - drivers/ide/au1xxx-ide.c | 597 --------------------------------------- 3 files changed, 616 deletions(-) delete mode 100644 drivers/ide/au1xxx-ide.c diff --git a/drivers/ide/Kconfig b/drivers/ide/Kconfig index 1c227ea8ecd3..ae8574d8c037 100644 --- a/drivers/ide/Kconfig +++ b/drivers/ide/Kconfig @@ -662,23 +662,6 @@ config BLK_DEV_IDE_PMAC_ATA100FIRST CD-ROM on hda. This option changes this to more natural hda for hard disk and hdc for CD-ROM. -config BLK_DEV_IDE_AU1XXX - bool "IDE for AMD Alchemy Au1200" - depends on MIPS_ALCHEMY - select IDE_XFER_MODE -choice - prompt "IDE Mode for AMD Alchemy Au1200" - default BLK_DEV_IDE_AU1XXX_PIO_DBDMA - depends on BLK_DEV_IDE_AU1XXX - -config BLK_DEV_IDE_AU1XXX_PIO_DBDMA - bool "PIO+DbDMA IDE for AMD Alchemy Au1200" - -config BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA - bool "MDMA2+DbDMA IDE for AMD Alchemy Au1200" - depends on BLK_DEV_IDE_AU1XXX -endchoice - config BLK_DEV_IDE_TX4938 tristate "TX4938 internal IDE support" depends on SOC_TX4938 diff --git a/drivers/ide/Makefile b/drivers/ide/Makefile index cac02db4098d..a0c54f40e157 100644 --- a/drivers/ide/Makefile +++ b/drivers/ide/Makefile @@ -109,7 +109,5 @@ obj-$(CONFIG_BLK_DEV_IDE_ICSIDE) += icside.o obj-$(CONFIG_BLK_DEV_IDE_RAPIDE) += rapide.o obj-$(CONFIG_BLK_DEV_PALMCHIP_BK3710) += palm_bk3710.o -obj-$(CONFIG_BLK_DEV_IDE_AU1XXX) += au1xxx-ide.o - obj-$(CONFIG_BLK_DEV_IDE_TX4938) += tx4938ide.o obj-$(CONFIG_BLK_DEV_IDE_TX4939) += tx4939ide.o diff --git a/drivers/ide/au1xxx-ide.c b/drivers/ide/au1xxx-ide.c deleted file mode 100644 index 4d181a918d72..000000000000 --- a/drivers/ide/au1xxx-ide.c +++ /dev/null @@ -1,597 +0,0 @@ -/* - * BRIEF MODULE DESCRIPTION - * AMD Alchemy Au1xxx IDE interface routines over the Static Bus - * - * Copyright (c) 2003-2005 AMD, Personal Connectivity Solutions - * - * 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, - * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND - * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR - * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - * 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., - * 675 Mass Ave, Cambridge, MA 02139, USA. - * - * Note: for more information, please refer "AMD Alchemy Au1200/Au1550 IDE - * Interface and Linux Device Driver" Application Note. - */ -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include - -#define DRV_NAME "au1200-ide" -#define DRV_AUTHOR "Enrico Walther / Pete Popov " - -#ifndef IDE_REG_SHIFT -#define IDE_REG_SHIFT 5 -#endif - -/* enable the burstmode in the dbdma */ -#define IDE_AU1XXX_BURSTMODE 1 - -static _auide_hwif auide_hwif; - -#if defined(CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA) - -static inline void auide_insw(unsigned long port, void *addr, u32 count) -{ - _auide_hwif *ahwif = &auide_hwif; - chan_tab_t *ctp; - au1x_ddma_desc_t *dp; - - if (!au1xxx_dbdma_put_dest(ahwif->rx_chan, virt_to_phys(addr), - count << 1, DDMA_FLAGS_NOIE)) { - printk(KERN_ERR "%s failed %d\n", __func__, __LINE__); - return; - } - ctp = *((chan_tab_t **)ahwif->rx_chan); - dp = ctp->cur_ptr; - while (dp->dscr_cmd0 & DSCR_CMD0_V) - ; - ctp->cur_ptr = au1xxx_ddma_get_nextptr_virt(dp); -} - -static inline void auide_outsw(unsigned long port, void *addr, u32 count) -{ - _auide_hwif *ahwif = &auide_hwif; - chan_tab_t *ctp; - au1x_ddma_desc_t *dp; - - if (!au1xxx_dbdma_put_source(ahwif->tx_chan, virt_to_phys(addr), - count << 1, DDMA_FLAGS_NOIE)) { - printk(KERN_ERR "%s failed %d\n", __func__, __LINE__); - return; - } - ctp = *((chan_tab_t **)ahwif->tx_chan); - dp = ctp->cur_ptr; - while (dp->dscr_cmd0 & DSCR_CMD0_V) - ; - ctp->cur_ptr = au1xxx_ddma_get_nextptr_virt(dp); -} - -static void au1xxx_input_data(ide_drive_t *drive, struct ide_cmd *cmd, - void *buf, unsigned int len) -{ - auide_insw(drive->hwif->io_ports.data_addr, buf, (len + 1) / 2); -} - -static void au1xxx_output_data(ide_drive_t *drive, struct ide_cmd *cmd, - void *buf, unsigned int len) -{ - auide_outsw(drive->hwif->io_ports.data_addr, buf, (len + 1) / 2); -} -#endif - -static void au1xxx_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive) -{ - int mem_sttime = 0, mem_stcfg = au_readl(MEM_STCFG2); - - switch (drive->pio_mode - XFER_PIO_0) { - case 0: - mem_sttime = SBC_IDE_TIMING(PIO0); - - /* set configuration for RCS2# */ - mem_stcfg |= TS_MASK; - mem_stcfg &= ~TCSOE_MASK; - mem_stcfg &= ~TOECS_MASK; - mem_stcfg |= SBC_IDE_PIO0_TCSOE | SBC_IDE_PIO0_TOECS; - break; - - case 1: - mem_sttime = SBC_IDE_TIMING(PIO1); - - /* set configuration for RCS2# */ - mem_stcfg |= TS_MASK; - mem_stcfg &= ~TCSOE_MASK; - mem_stcfg &= ~TOECS_MASK; - mem_stcfg |= SBC_IDE_PIO1_TCSOE | SBC_IDE_PIO1_TOECS; - break; - - case 2: - mem_sttime = SBC_IDE_TIMING(PIO2); - - /* set configuration for RCS2# */ - mem_stcfg &= ~TS_MASK; - mem_stcfg &= ~TCSOE_MASK; - mem_stcfg &= ~TOECS_MASK; - mem_stcfg |= SBC_IDE_PIO2_TCSOE | SBC_IDE_PIO2_TOECS; - break; - - case 3: - mem_sttime = SBC_IDE_TIMING(PIO3); - - /* set configuration for RCS2# */ - mem_stcfg &= ~TS_MASK; - mem_stcfg &= ~TCSOE_MASK; - mem_stcfg &= ~TOECS_MASK; - mem_stcfg |= SBC_IDE_PIO3_TCSOE | SBC_IDE_PIO3_TOECS; - - break; - - case 4: - mem_sttime = SBC_IDE_TIMING(PIO4); - - /* set configuration for RCS2# */ - mem_stcfg &= ~TS_MASK; - mem_stcfg &= ~TCSOE_MASK; - mem_stcfg &= ~TOECS_MASK; - mem_stcfg |= SBC_IDE_PIO4_TCSOE | SBC_IDE_PIO4_TOECS; - break; - } - - au_writel(mem_sttime,MEM_STTIME2); - au_writel(mem_stcfg,MEM_STCFG2); -} - -static void auide_set_dma_mode(ide_hwif_t *hwif, ide_drive_t *drive) -{ - int mem_sttime = 0, mem_stcfg = au_readl(MEM_STCFG2); - - switch (drive->dma_mode) { -#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA - case XFER_MW_DMA_2: - mem_sttime = SBC_IDE_TIMING(MDMA2); - - /* set configuration for RCS2# */ - mem_stcfg &= ~TS_MASK; - mem_stcfg &= ~TCSOE_MASK; - mem_stcfg &= ~TOECS_MASK; - mem_stcfg |= SBC_IDE_MDMA2_TCSOE | SBC_IDE_MDMA2_TOECS; - - break; - case XFER_MW_DMA_1: - mem_sttime = SBC_IDE_TIMING(MDMA1); - - /* set configuration for RCS2# */ - mem_stcfg &= ~TS_MASK; - mem_stcfg &= ~TCSOE_MASK; - mem_stcfg &= ~TOECS_MASK; - mem_stcfg |= SBC_IDE_MDMA1_TCSOE | SBC_IDE_MDMA1_TOECS; - - break; - case XFER_MW_DMA_0: - mem_sttime = SBC_IDE_TIMING(MDMA0); - - /* set configuration for RCS2# */ - mem_stcfg |= TS_MASK; - mem_stcfg &= ~TCSOE_MASK; - mem_stcfg &= ~TOECS_MASK; - mem_stcfg |= SBC_IDE_MDMA0_TCSOE | SBC_IDE_MDMA0_TOECS; - - break; -#endif - } - - au_writel(mem_sttime,MEM_STTIME2); - au_writel(mem_stcfg,MEM_STCFG2); -} - -/* - * Multi-Word DMA + DbDMA functions - */ - -#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA -static int auide_build_dmatable(ide_drive_t *drive, struct ide_cmd *cmd) -{ - ide_hwif_t *hwif = drive->hwif; - _auide_hwif *ahwif = &auide_hwif; - struct scatterlist *sg; - int i = cmd->sg_nents, count = 0; - int iswrite = !!(cmd->tf_flags & IDE_TFLAG_WRITE); - - /* Save for interrupt context */ - ahwif->drive = drive; - - /* fill the descriptors */ - sg = hwif->sg_table; - while (i && sg_dma_len(sg)) { - u32 cur_addr; - u32 cur_len; - - cur_addr = sg_dma_address(sg); - cur_len = sg_dma_len(sg); - - while (cur_len) { - u32 flags = DDMA_FLAGS_NOIE; - unsigned int tc = (cur_len < 0xfe00)? cur_len: 0xfe00; - - if (++count >= PRD_ENTRIES) { - printk(KERN_WARNING "%s: DMA table too small\n", - drive->name); - return 0; - } - - /* Lets enable intr for the last descriptor only */ - if (1==i) - flags = DDMA_FLAGS_IE; - else - flags = DDMA_FLAGS_NOIE; - - if (iswrite) { - if (!au1xxx_dbdma_put_source(ahwif->tx_chan, - sg_phys(sg), tc, flags)) { - printk(KERN_ERR "%s failed %d\n", - __func__, __LINE__); - } - } else { - if (!au1xxx_dbdma_put_dest(ahwif->rx_chan, - sg_phys(sg), tc, flags)) { - printk(KERN_ERR "%s failed %d\n", - __func__, __LINE__); - } - } - - cur_addr += tc; - cur_len -= tc; - } - sg = sg_next(sg); - i--; - } - - if (count) - return 1; - - return 0; /* revert to PIO for this request */ -} - -static int auide_dma_end(ide_drive_t *drive) -{ - return 0; -} - -static void auide_dma_start(ide_drive_t *drive ) -{ -} - - -static int auide_dma_setup(ide_drive_t *drive, struct ide_cmd *cmd) -{ - if (auide_build_dmatable(drive, cmd) == 0) - return 1; - - return 0; -} - -static int auide_dma_test_irq(ide_drive_t *drive) -{ - /* If dbdma didn't execute the STOP command yet, the - * active bit is still set - */ - drive->waiting_for_dma++; - if (drive->waiting_for_dma >= DMA_WAIT_TIMEOUT) { - printk(KERN_WARNING "%s: timeout waiting for ddma to complete\n", - drive->name); - return 1; - } - udelay(10); - return 0; -} - -static void auide_dma_host_set(ide_drive_t *drive, int on) -{ -} - -static void auide_ddma_tx_callback(int irq, void *param) -{ -} - -static void auide_ddma_rx_callback(int irq, void *param) -{ -} -#endif /* end CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA */ - -static void auide_init_dbdma_dev(dbdev_tab_t *dev, u32 dev_id, u32 tsize, - u32 devwidth, u32 flags, u32 regbase) -{ - dev->dev_id = dev_id; - dev->dev_physaddr = CPHYSADDR(regbase); - dev->dev_intlevel = 0; - dev->dev_intpolarity = 0; - dev->dev_tsize = tsize; - dev->dev_devwidth = devwidth; - dev->dev_flags = flags; -} - -#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA -static const struct ide_dma_ops au1xxx_dma_ops = { - .dma_host_set = auide_dma_host_set, - .dma_setup = auide_dma_setup, - .dma_start = auide_dma_start, - .dma_end = auide_dma_end, - .dma_test_irq = auide_dma_test_irq, - .dma_lost_irq = ide_dma_lost_irq, -}; - -static int auide_ddma_init(ide_hwif_t *hwif, const struct ide_port_info *d) -{ - _auide_hwif *auide = &auide_hwif; - dbdev_tab_t source_dev_tab, target_dev_tab; - u32 dev_id, tsize, devwidth, flags; - - dev_id = hwif->ddma_id; - - tsize = 8; /* 1 */ - devwidth = 32; /* 16 */ - -#ifdef IDE_AU1XXX_BURSTMODE - flags = DEV_FLAGS_SYNC | DEV_FLAGS_BURSTABLE; -#else - flags = DEV_FLAGS_SYNC; -#endif - - /* setup dev_tab for tx channel */ - auide_init_dbdma_dev(&source_dev_tab, dev_id, tsize, devwidth, - DEV_FLAGS_OUT | flags, auide->regbase); - auide->tx_dev_id = au1xxx_ddma_add_device( &source_dev_tab ); - - auide_init_dbdma_dev(&source_dev_tab, dev_id, tsize, devwidth, - DEV_FLAGS_IN | flags, auide->regbase); - auide->rx_dev_id = au1xxx_ddma_add_device( &source_dev_tab ); - - /* We also need to add a target device for the DMA */ - auide_init_dbdma_dev(&target_dev_tab, (u32)DSCR_CMD0_ALWAYS, tsize, - devwidth, DEV_FLAGS_ANYUSE, auide->regbase); - auide->target_dev_id = au1xxx_ddma_add_device(&target_dev_tab); - - /* Get a channel for TX */ - auide->tx_chan = au1xxx_dbdma_chan_alloc(auide->target_dev_id, - auide->tx_dev_id, - auide_ddma_tx_callback, - (void*)auide); - - /* Get a channel for RX */ - auide->rx_chan = au1xxx_dbdma_chan_alloc(auide->rx_dev_id, - auide->target_dev_id, - auide_ddma_rx_callback, - (void*)auide); - - auide->tx_desc_head = (void*)au1xxx_dbdma_ring_alloc(auide->tx_chan, - NUM_DESCRIPTORS); - auide->rx_desc_head = (void*)au1xxx_dbdma_ring_alloc(auide->rx_chan, - NUM_DESCRIPTORS); - - /* FIXME: check return value */ - (void)ide_allocate_dma_engine(hwif); - - au1xxx_dbdma_start( auide->tx_chan ); - au1xxx_dbdma_start( auide->rx_chan ); - - return 0; -} -#else -static int auide_ddma_init(ide_hwif_t *hwif, const struct ide_port_info *d) -{ - _auide_hwif *auide = &auide_hwif; - dbdev_tab_t source_dev_tab; - int flags; - -#ifdef IDE_AU1XXX_BURSTMODE - flags = DEV_FLAGS_SYNC | DEV_FLAGS_BURSTABLE; -#else - flags = DEV_FLAGS_SYNC; -#endif - - /* setup dev_tab for tx channel */ - auide_init_dbdma_dev(&source_dev_tab, (u32)DSCR_CMD0_ALWAYS, 8, 32, - DEV_FLAGS_OUT | flags, auide->regbase); - auide->tx_dev_id = au1xxx_ddma_add_device( &source_dev_tab ); - - auide_init_dbdma_dev(&source_dev_tab, (u32)DSCR_CMD0_ALWAYS, 8, 32, - DEV_FLAGS_IN | flags, auide->regbase); - auide->rx_dev_id = au1xxx_ddma_add_device( &source_dev_tab ); - - /* Get a channel for TX */ - auide->tx_chan = au1xxx_dbdma_chan_alloc(DSCR_CMD0_ALWAYS, - auide->tx_dev_id, - NULL, - (void*)auide); - - /* Get a channel for RX */ - auide->rx_chan = au1xxx_dbdma_chan_alloc(auide->rx_dev_id, - DSCR_CMD0_ALWAYS, - NULL, - (void*)auide); - - auide->tx_desc_head = (void*)au1xxx_dbdma_ring_alloc(auide->tx_chan, - NUM_DESCRIPTORS); - auide->rx_desc_head = (void*)au1xxx_dbdma_ring_alloc(auide->rx_chan, - NUM_DESCRIPTORS); - - au1xxx_dbdma_start( auide->tx_chan ); - au1xxx_dbdma_start( auide->rx_chan ); - - return 0; -} -#endif - -static void auide_setup_ports(struct ide_hw *hw, _auide_hwif *ahwif) -{ - int i; - unsigned long *ata_regs = hw->io_ports_array; - - /* FIXME? */ - for (i = 0; i < 8; i++) - *ata_regs++ = ahwif->regbase + (i << IDE_REG_SHIFT); - - /* set the Alternative Status register */ - *ata_regs = ahwif->regbase + (14 << IDE_REG_SHIFT); -} - -#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA -static const struct ide_tp_ops au1xxx_tp_ops = { - .exec_command = ide_exec_command, - .read_status = ide_read_status, - .read_altstatus = ide_read_altstatus, - .write_devctl = ide_write_devctl, - - .dev_select = ide_dev_select, - .tf_load = ide_tf_load, - .tf_read = ide_tf_read, - - .input_data = au1xxx_input_data, - .output_data = au1xxx_output_data, -}; -#endif - -static const struct ide_port_ops au1xxx_port_ops = { - .set_pio_mode = au1xxx_set_pio_mode, - .set_dma_mode = auide_set_dma_mode, -}; - -static const struct ide_port_info au1xxx_port_info = { - .init_dma = auide_ddma_init, -#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA - .tp_ops = &au1xxx_tp_ops, -#endif - .port_ops = &au1xxx_port_ops, -#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA - .dma_ops = &au1xxx_dma_ops, -#endif - .host_flags = IDE_HFLAG_POST_SET_MODE | - IDE_HFLAG_NO_IO_32BIT | - IDE_HFLAG_UNMASK_IRQS, - .pio_mask = ATA_PIO4, -#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA - .mwdma_mask = ATA_MWDMA2, -#endif - .chipset = ide_au1xxx, -}; - -static int au_ide_probe(struct platform_device *dev) -{ - _auide_hwif *ahwif = &auide_hwif; - struct resource *res; - struct ide_host *host; - int ret = 0; - struct ide_hw hw, *hws[] = { &hw }; - -#if defined(CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA) - char *mode = "MWDMA2"; -#elif defined(CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA) - char *mode = "PIO+DDMA(offload)"; -#endif - - memset(&auide_hwif, 0, sizeof(_auide_hwif)); - ahwif->irq = platform_get_irq(dev, 0); - - res = platform_get_resource(dev, IORESOURCE_MEM, 0); - - if (res == NULL) { - pr_debug("%s %d: no base address\n", DRV_NAME, dev->id); - ret = -ENODEV; - goto out; - } - if (ahwif->irq < 0) { - pr_debug("%s %d: no IRQ\n", DRV_NAME, dev->id); - ret = -ENODEV; - goto out; - } - - if (!request_mem_region(res->start, resource_size(res), dev->name)) { - pr_debug("%s: request_mem_region failed\n", DRV_NAME); - ret = -EBUSY; - goto out; - } - - ahwif->regbase = (u32)ioremap(res->start, resource_size(res)); - if (ahwif->regbase == 0) { - ret = -ENOMEM; - goto out; - } - - res = platform_get_resource(dev, IORESOURCE_DMA, 0); - if (!res) { - pr_debug("%s: no DDMA ID resource\n", DRV_NAME); - ret = -ENODEV; - goto out; - } - ahwif->ddma_id = res->start; - - memset(&hw, 0, sizeof(hw)); - auide_setup_ports(&hw, ahwif); - hw.irq = ahwif->irq; - hw.dev = &dev->dev; - - ret = ide_host_add(&au1xxx_port_info, hws, 1, &host); - if (ret) - goto out; - - auide_hwif.hwif = host->ports[0]; - - platform_set_drvdata(dev, host); - - printk(KERN_INFO "Au1xxx IDE(builtin) configured for %s\n", mode ); - - out: - return ret; -} - -static int au_ide_remove(struct platform_device *dev) -{ - struct resource *res; - struct ide_host *host = platform_get_drvdata(dev); - _auide_hwif *ahwif = &auide_hwif; - - ide_host_remove(host); - - iounmap((void *)ahwif->regbase); - - res = platform_get_resource(dev, IORESOURCE_MEM, 0); - release_mem_region(res->start, resource_size(res)); - - return 0; -} - -static struct platform_driver au1200_ide_driver = { - .driver = { - .name = "au1200-ide", - }, - .probe = au_ide_probe, - .remove = au_ide_remove, -}; - -module_platform_driver(au1200_ide_driver); - -MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION("AU1200 IDE driver"); From patchwork Tue Mar 24 11:14:19 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bartlomiej Zolnierkiewicz X-Patchwork-Id: 1260580 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; 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Tue, 24 Mar 2020 11:14:38 +0000 (GMT) Received: from eusmgms2.samsung.com (unknown [182.198.249.180]) by eusmtrp2.samsung.com (KnoxPortal) with ESMTP id 20200324111438eusmtrp2db8a69ab698f5735a9c8311661360354~-OTGDfMuN0435704357eusmtrp21; Tue, 24 Mar 2020 11:14:38 +0000 (GMT) X-AuditID: cbfec7f2-f0bff7000001ef66-14-5e79eb9f0bf2 Received: from eusmtip1.samsung.com ( [203.254.199.221]) by eusmgms2.samsung.com (EUCPMTA) with SMTP id 97.BE.07950.E9BE97E5; Tue, 24 Mar 2020 11:14:38 +0000 (GMT) Received: from AMDC3058.digital.local (unknown [106.120.51.71]) by eusmtip1.samsung.com (KnoxPortal) with ESMTPA id 20200324111438eusmtip1a63813eb2f9ed78b174cad1dc03fa8e1~-OTFe1QQq0893908939eusmtip1K; Tue, 24 Mar 2020 11:14:38 +0000 (GMT) From: Bartlomiej Zolnierkiewicz To: Thomas Bogendoerfer Cc: "David S . Miller" , Ralf Baechle , Paul Burton , James Hogan , Jonathan Corbet , Manuel Lauss , Christoph Hellwig , linux-ide@vger.kernel.org, linux-mips@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, b.zolnierkie@samsung.com, Paul Burton Subject: [PATCH v2 2/3] MIPS: Alchemy: remove no longer used au1xxx_ide.h header Date: Tue, 24 Mar 2020 12:14:19 +0100 Message-Id: <20200324111420.31793-3-b.zolnierkie@samsung.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200324111420.31793-1-b.zolnierkie@samsung.com> MIME-Version: 1.0 X-Brightmail-Tracker: H4sIAAAAAAAAA01Se0hTYRzt27139zqaXKfgl4XRqEjBFwZd1ESh8lJBL4gIUpfeVHTTdtVc JIjvDdTU8LEUrSR1PpuPfFE6dT6CJBPJ0sIppukq1CTDVtuulv+d3/md853zg49ARO8xJyJK Fs/IZZIYMV+Atus3x9wqlhXBnj/nMOpZSRNGzfdmAapsLB2lausGeVT+8CpKPcqsQil9h4FH ve0q41NKbRugJtcNOJW7rEeo7I1ylBrvOUz1p/YhAbZ0xng1SrfWTvHoTvUMTms1Sj49WNvA o7unUvj0k9xCjF4emEXp3FYNoNe0zhcF1wV+4UxMVCIj9/APFUQOaRfRuGHfpNTyCTwF6D1V wIaA5HG40LuBqYCAEJE1AHYZBgE3rANoaOzic8MagL2rDfiOpb6qD+EW1QDmTRRh/yyNlUae RcUnfWB+lgZYsAPpDZvauq0ihOxEYL1BbRXZk5fhinELsWCUPAI7Bh6gKoATQvIkLHHkwg7C to1VzIJtSH/YMtRofVJI2sGR0nnUghGzJq3tobUQJI041H5Qbjc9BSdKe1AO28MvQ63b/AH4 p7OCxxkaAfydvbjtfg5gdaGJz6l84fTrX2ZMmCNcYFOXB0cHwpQanZWGpC18Z7TjStjCgvZi hKOFMDtTxKmPwuanzfydWFVnLcJhGo4Wl+P3wSH1rnPUu85R/8+tBIgGODIJrDSCYb1kzB13 ViJlE2QR7mGxUi0w/7hXpqHVDvBj/KYOkAQQ7xUem1UEizBJIquQ6gAkELGDsIVJChYJwyWK u4w8NkSeEMOwOrCfQMWOQu/HSzdEZIQknolmmDhGvrPlETZOKcD141panPMZLEyfPCG5tBKl LTLppTXEd5/PZ0f6567ONOtH2r3eDHwtq9vKjLW/MJq5R/wi41zep3vXavAE0nt4qafFFDKT Q22aNMoTBVief4D/QqtbgS5eMZ0YmuPy0tiXHJcevS/o1vlvLg5+QbcNaaFuk6Hp6adDVgKv IJO+YpSNlHi5InJW8hdiekmWbQMAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrKIsWRmVeSWpSXmKPExsVy+t/xu7rzXlfGGaxbrWGxccZ6VosnB9oZ Leacb2GxWLn6KJPFxBOfWCwWti1hsTi24xGTxeVdc9gsOjdtZbS49uURu0Xf62PMFh3f5rJY XNqjYnG46SCzA59H66XlLB5bVt5k8tg56y67x6ZVnWweR1euZfLYfbOBzWNx32RWj9dHHrJ4 9G1ZxejxeZNcAFeUnk1RfmlJqkJGfnGJrVK0oYWRnqGlhZ6RiaWeobF5rJWRqZK+nU1Kak5m WWqRvl2CXsbxTS9YCk5YVzTNvcLewHjMoIuRk0NCwERizZKDzF2MXBxCAksZJQ6+/8LSxcgB lJCROL6+DKJGWOLPtS42iJpPjBJv9p9nAkmwCVhJTGxfxQhiiwgYS6zfupsVxGYWOMos0Xvb E8QWFgiQaL3Tzg5iswioSuw4MgVoPjsHr4CtxAxxiPHyElu/fQLr5BSwk9h8fB3YRCGgilef PoN18goISpyc+YQFYrq8RPPW2cwTGAVmIUnNQpJawMi0ilEktbQ4Nz232EivODG3uDQvXS85 P3cTIzAKtx37uWUHY9e74EOMAhyMSjy8Gg8r44RYE8uKK3MPMUpwMCuJ8G5OrYgT4k1JrKxK LcqPLyrNSS0+xGgK9MJEZinR5HxggsgriTc0NTS3sDQ0NzY3NrNQEuftEDgYIySQnliSmp2a WpBaBNPHxMEp1cAo2nw4afE9qweW7ZubhHL6FRXef3JkP1nA5GL2b/4d2zlHlDsOPd9j5xSq 2S/0rkSCxbG9NcN09epw+avqH9a+X9ViI7JlowvXCWFr4a3xumUHmlb39Vz3tY0V2jox7Z3P SpWguB/1r0+wvLzz6Un8wsU3PkVvfflIK7R1WcvKo5XMZ0sOGhcrsRRnJBpqMRcVJwIAtTPK 09gCAAA= X-CMS-MailID: 20200324111438eucas1p20e45db250af6e2419e97f8a0e3e3e065 X-Msg-Generator: CA X-RootMTR: 20200324111438eucas1p20e45db250af6e2419e97f8a0e3e3e065 X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20200324111438eucas1p20e45db250af6e2419e97f8a0e3e3e065 References: <20200324111420.31793-1-b.zolnierkie@samsung.com> Sender: linux-ide-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ide@vger.kernel.org Since the only user of this header (au1xxx-ide IDE host driver) is now gone it can also be removed. Acked-by: Paul Burton Acked-by: Manuel Lauss Acked-by: Christoph Hellwig Signed-off-by: Bartlomiej Zolnierkiewicz --- .../mips/include/asm/mach-au1x00/au1xxx_ide.h | 178 ------------------ 1 file changed, 178 deletions(-) delete mode 100644 arch/mips/include/asm/mach-au1x00/au1xxx_ide.h diff --git a/arch/mips/include/asm/mach-au1x00/au1xxx_ide.h b/arch/mips/include/asm/mach-au1x00/au1xxx_ide.h deleted file mode 100644 index bb91b8923a49..000000000000 --- a/arch/mips/include/asm/mach-au1x00/au1xxx_ide.h +++ /dev/null @@ -1,178 +0,0 @@ -/* - * include/asm-mips/mach-au1x00/au1xxx_ide.h version 01.30.00 Aug. 02 2005 - * - * BRIEF MODULE DESCRIPTION - * AMD Alchemy Au1xxx IDE interface routines over the Static Bus - * - * Copyright (c) 2003-2005 AMD, Personal Connectivity Solutions - * - * 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, - * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND - * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR - * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - * 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., - * 675 Mass Ave, Cambridge, MA 02139, USA. - * - * Note: for more information, please refer "AMD Alchemy Au1200/Au1550 IDE - * Interface and Linux Device Driver" Application Note. - */ - -#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA -#define DMA_WAIT_TIMEOUT 100 -#define NUM_DESCRIPTORS PRD_ENTRIES -#else /* CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA */ -#define NUM_DESCRIPTORS 2 -#endif - -#ifndef AU1XXX_ATA_RQSIZE -#define AU1XXX_ATA_RQSIZE 128 -#endif - -/* Disable Burstable-Support for DBDMA */ -#ifndef CONFIG_BLK_DEV_IDE_AU1XXX_BURSTABLE_ON -#define CONFIG_BLK_DEV_IDE_AU1XXX_BURSTABLE_ON 0 -#endif - -typedef struct { - u32 tx_dev_id, rx_dev_id, target_dev_id; - u32 tx_chan, rx_chan; - void *tx_desc_head, *rx_desc_head; - ide_hwif_t *hwif; -#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA - ide_drive_t *drive; - struct dbdma_cmd *dma_table_cpu; - dma_addr_t dma_table_dma; -#endif - int irq; - u32 regbase; - int ddma_id; -} _auide_hwif; - -/******************************************************************************/ -/* PIO Mode timing calculation : */ -/* */ -/* Static Bus Spec ATA Spec */ -/* Tcsoe = t1 */ -/* Toecs = t9 */ -/* Twcs = t9 */ -/* Tcsh = t2i | t2 */ -/* Tcsoff = t2i | t2 */ -/* Twp = t2 */ -/* Tcsw = t1 */ -/* Tpm = 0 */ -/* Ta = t1+t2 */ -/******************************************************************************/ - -#define TCSOE_MASK (0x07 << 29) -#define TOECS_MASK (0x07 << 26) -#define TWCS_MASK (0x07 << 28) -#define TCSH_MASK (0x0F << 24) -#define TCSOFF_MASK (0x07 << 20) -#define TWP_MASK (0x3F << 14) -#define TCSW_MASK (0x0F << 10) -#define TPM_MASK (0x0F << 6) -#define TA_MASK (0x3F << 0) -#define TS_MASK (1 << 8) - -/* Timing parameters PIO mode 0 */ -#define SBC_IDE_PIO0_TCSOE (0x04 << 29) -#define SBC_IDE_PIO0_TOECS (0x01 << 26) -#define SBC_IDE_PIO0_TWCS (0x02 << 28) -#define SBC_IDE_PIO0_TCSH (0x08 << 24) -#define SBC_IDE_PIO0_TCSOFF (0x07 << 20) -#define SBC_IDE_PIO0_TWP (0x10 << 14) -#define SBC_IDE_PIO0_TCSW (0x04 << 10) -#define SBC_IDE_PIO0_TPM (0x00 << 6) -#define SBC_IDE_PIO0_TA (0x15 << 0) -/* Timing parameters PIO mode 1 */ -#define SBC_IDE_PIO1_TCSOE (0x03 << 29) -#define SBC_IDE_PIO1_TOECS (0x01 << 26) -#define SBC_IDE_PIO1_TWCS (0x01 << 28) -#define SBC_IDE_PIO1_TCSH (0x06 << 24) -#define SBC_IDE_PIO1_TCSOFF (0x06 << 20) -#define SBC_IDE_PIO1_TWP (0x08 << 14) -#define SBC_IDE_PIO1_TCSW (0x03 << 10) -#define SBC_IDE_PIO1_TPM (0x00 << 6) -#define SBC_IDE_PIO1_TA (0x0B << 0) -/* Timing parameters PIO mode 2 */ -#define SBC_IDE_PIO2_TCSOE (0x05 << 29) -#define SBC_IDE_PIO2_TOECS (0x01 << 26) -#define SBC_IDE_PIO2_TWCS (0x01 << 28) -#define SBC_IDE_PIO2_TCSH (0x07 << 24) -#define SBC_IDE_PIO2_TCSOFF (0x07 << 20) -#define SBC_IDE_PIO2_TWP (0x1F << 14) -#define SBC_IDE_PIO2_TCSW (0x05 << 10) -#define SBC_IDE_PIO2_TPM (0x00 << 6) -#define SBC_IDE_PIO2_TA (0x22 << 0) -/* Timing parameters PIO mode 3 */ -#define SBC_IDE_PIO3_TCSOE (0x05 << 29) -#define SBC_IDE_PIO3_TOECS (0x01 << 26) -#define SBC_IDE_PIO3_TWCS (0x01 << 28) -#define SBC_IDE_PIO3_TCSH (0x0D << 24) -#define SBC_IDE_PIO3_TCSOFF (0x0D << 20) -#define SBC_IDE_PIO3_TWP (0x15 << 14) -#define SBC_IDE_PIO3_TCSW (0x05 << 10) -#define SBC_IDE_PIO3_TPM (0x00 << 6) -#define SBC_IDE_PIO3_TA (0x1A << 0) -/* Timing parameters PIO mode 4 */ -#define SBC_IDE_PIO4_TCSOE (0x04 << 29) -#define SBC_IDE_PIO4_TOECS (0x01 << 26) -#define SBC_IDE_PIO4_TWCS (0x01 << 28) -#define SBC_IDE_PIO4_TCSH (0x04 << 24) -#define SBC_IDE_PIO4_TCSOFF (0x04 << 20) -#define SBC_IDE_PIO4_TWP (0x0D << 14) -#define SBC_IDE_PIO4_TCSW (0x03 << 10) -#define SBC_IDE_PIO4_TPM (0x00 << 6) -#define SBC_IDE_PIO4_TA (0x12 << 0) -/* Timing parameters MDMA mode 0 */ -#define SBC_IDE_MDMA0_TCSOE (0x03 << 29) -#define SBC_IDE_MDMA0_TOECS (0x01 << 26) -#define SBC_IDE_MDMA0_TWCS (0x01 << 28) -#define SBC_IDE_MDMA0_TCSH (0x07 << 24) -#define SBC_IDE_MDMA0_TCSOFF (0x07 << 20) -#define SBC_IDE_MDMA0_TWP (0x0C << 14) -#define SBC_IDE_MDMA0_TCSW (0x03 << 10) -#define SBC_IDE_MDMA0_TPM (0x00 << 6) -#define SBC_IDE_MDMA0_TA (0x0F << 0) -/* Timing parameters MDMA mode 1 */ -#define SBC_IDE_MDMA1_TCSOE (0x05 << 29) -#define SBC_IDE_MDMA1_TOECS (0x01 << 26) -#define SBC_IDE_MDMA1_TWCS (0x01 << 28) -#define SBC_IDE_MDMA1_TCSH (0x05 << 24) -#define SBC_IDE_MDMA1_TCSOFF (0x05 << 20) -#define SBC_IDE_MDMA1_TWP (0x0F << 14) -#define SBC_IDE_MDMA1_TCSW (0x05 << 10) -#define SBC_IDE_MDMA1_TPM (0x00 << 6) -#define SBC_IDE_MDMA1_TA (0x15 << 0) -/* Timing parameters MDMA mode 2 */ -#define SBC_IDE_MDMA2_TCSOE (0x04 << 29) -#define SBC_IDE_MDMA2_TOECS (0x01 << 26) -#define SBC_IDE_MDMA2_TWCS (0x01 << 28) -#define SBC_IDE_MDMA2_TCSH (0x04 << 24) -#define SBC_IDE_MDMA2_TCSOFF (0x04 << 20) -#define SBC_IDE_MDMA2_TWP (0x0D << 14) -#define SBC_IDE_MDMA2_TCSW (0x04 << 10) -#define SBC_IDE_MDMA2_TPM (0x00 << 6) -#define SBC_IDE_MDMA2_TA (0x12 << 0) - -#define SBC_IDE_TIMING(mode) \ - (SBC_IDE_##mode##_TWCS | \ - SBC_IDE_##mode##_TCSH | \ - SBC_IDE_##mode##_TCSOFF | \ - SBC_IDE_##mode##_TWP | \ - SBC_IDE_##mode##_TCSW | \ - SBC_IDE_##mode##_TPM | \ - SBC_IDE_##mode##_TA) From patchwork Tue Mar 24 11:14:20 2020 Content-Type: text/plain; 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Tue, 24 Mar 2020 11:14:38 +0000 (GMT) From: Bartlomiej Zolnierkiewicz To: Thomas Bogendoerfer Cc: "David S . Miller" , Ralf Baechle , Paul Burton , James Hogan , Jonathan Corbet , Manuel Lauss , Christoph Hellwig , linux-ide@vger.kernel.org, linux-mips@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, b.zolnierkie@samsung.com Subject: [PATCH v2 3/3] docs: mips: remove no longer needed au1xxx_ide.rst documentation Date: Tue, 24 Mar 2020 12:14:20 +0100 Message-Id: <20200324111420.31793-4-b.zolnierkie@samsung.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200324111420.31793-1-b.zolnierkie@samsung.com> MIME-Version: 1.0 X-Brightmail-Tracker: H4sIAAAAAAAAA01Sa0hTcRTnv3t3d11tXafgoaJypaiUlvbh0gsF0wv1oaQXQtbU66zcsl1n Gn2whzothjqzmpb5SjfJx3xOpXSVJlZWq7CoIJOwRhE5pCSjXa+S337nnN/jHDgkpnguXk4e 02awOq0qTUlI8c7B3083VLqyEzbWjIbTrdeaxfREfz6iK0Yv4rSl8aGILn70E6er8mpxerB7 XEQ7eyoIusDWgejX7nEJbXQNYvSLvnX0/fMDWKSMyX1RjzPtljcixm5+L2Fs1gKCeWi5I2J6 3+QQTI3RJGZcDz7ijLHdipgp26o90njptmQ27VgmqwvbcVSa+tZAp08GZf3qsqMcZPEvRCQJ 1GY4b1pWiKSkgmpA4Gy0S4TCjSC/MhcTiilPUTomWlDMTGiEfj2Cuq4rHoWXoOi3ZfCYoLZA cb4V8diXioDmjl4xL8CoUgy6Ht/E+YEPFQ+1FU/mxDgVAA5jq4jHMmo7nLvbR/AYqNXQMf1T zGMvage0DTUhgeMNw9cn5nwwD+dCR/ncpkCNS8DRaBALm0aD/Uai4OMDX4faJQJeCSOmy7jA b0Iwa5icF3chqDf9nU/eCu+ezhC8EUYFQ3NPmNCOgpkWNxL85TD2zVvYQQ4lnVcxoS0DQ55C YAdCy+0WYiG20G6ZpzAw+mNXEfI3LzrGvOgY8//YWwizIj9Wz2nULBeuZU+HcioNp9eqQ5NO amzI82gjf4fc3ajnT6IDUSRSLpUFfcxOUIhVmVy2xoGAxJS+sjY2K0EhS1Zln2F1J4/o9Gks 50ArSFzpJ4uo/nJYQalVGewJlk1ndQtTEem1PAeFz0bm77yUGXnoljM2dl9ZWQhF1UynBLiK HqQVmz6d/nAq6Vxla0w5ik32Czsek7Tk1eNAQyKs/947ozbsi3GW7x4OjvsRIg8vjyZOVX/e HyLfc9Cpf882kL6QEuV2xU7FHTAPzE4X+Zi2WceeTdSVrBnVrrr3smrt2apHe4tstBLnUlWb QjAdp/oH+ut/BWQDAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrIIsWRmVeSWpSXmKPExsVy+t/xu7rzX1fGGezp5bXYOGM9q8WTA+2M FnPOt7BYrFx9lMli4olPLBYL25awWBzb8YjJ4vKuOWwWnZu2Mlpc+/KI3aLv9TFmi0t7VCwO Nx1kduD1aL20nMVjy8qbTB47Z91l99i0qpPN4+jKtUweu282sHks7pvM6vH6yEMWj74tqxg9 Pm+SC+CK0rMpyi8tSVXIyC8usVWKNrQw0jO0tNAzMrHUMzQ2j7UyMlXSt7NJSc3JLEst0rdL 0Mu41WFR8EKj4sf2nYwNjCsVuxg5OCQETCR+PcntYuTiEBJYyiixf8p9Zoi4jMTx9WVdjJxA prDEn2tdbBA1nxglHl24xwSSYBOwkpjYvooRxBYRMJZYv3U3K0gRs8A8ZokbLy6DFQkLREjc 62kAs1kEVCUO9W0Es3kFbCUa9+1hg9ggL7H12ydWEJtTwE5i8/F1YEOFgGpeffrMDlEvKHFy 5hMWEJsZqL5562zmCYwCs5CkZiFJLWBkWsUoklpanJueW2yoV5yYW1yal66XnJ+7iREYfduO /dy8g/HSxuBDjAIcjEo8vBoPK+OEWBPLiitzDzFKcDArifBuTq2IE+JNSaysSi3Kjy8qzUkt PsRoCvTERGYp0eR8YGLIK4k3NDU0t7A0NDc2NzazUBLn7RA4GCMkkJ5YkpqdmlqQWgTTx8TB KdXAaBHgdbdn455tDx3vaK9v3X+s+4x/80Ux7k1zlx33+vTfKDM/4sLel5Y569hnnr+swtvt 83XX7b09MmxVR27M7ll+7RPzxpLulPuzhdW43LLP9P/4kd6z6eLvqcs7eqdv+SIz14nN9bbn SqcJ9uwFQXvn9pY+r7vPZzr7f2Jsus0L5/0nHkrnuiuxFGckGmoxFxUnAgC8dPGE1AIAAA== X-CMS-MailID: 20200324111439eucas1p1d0e34bd0563643bce53f060490772075 X-Msg-Generator: CA X-RootMTR: 20200324111439eucas1p1d0e34bd0563643bce53f060490772075 X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20200324111439eucas1p1d0e34bd0563643bce53f060490772075 References: <20200324111420.31793-1-b.zolnierkie@samsung.com> Sender: linux-ide-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ide@vger.kernel.org Since the au1xxx-ide IDE host driver is no longer needed its documentation can be removed. Acked-by: Manuel Lauss Acked-by: Christoph Hellwig Signed-off-by: Bartlomiej Zolnierkiewicz --- Documentation/mips/au1xxx_ide.rst | 130 ------------------------------ Documentation/mips/index.rst | 2 - 2 files changed, 132 deletions(-) delete mode 100644 Documentation/mips/au1xxx_ide.rst diff --git a/Documentation/mips/au1xxx_ide.rst b/Documentation/mips/au1xxx_ide.rst deleted file mode 100644 index 2f9c2cff6738..000000000000 --- a/Documentation/mips/au1xxx_ide.rst +++ /dev/null @@ -1,130 +0,0 @@ -.. include:: - -====================== -MIPS AU1XXX IDE driver -====================== - -Released 2005-07-15 - -About -===== - -This file describes the 'drivers/ide/au1xxx-ide.c', related files and the -services they provide. - -If you are short in patience and just want to know how to add your hard disc to -the white or black list, go to the 'ADD NEW HARD DISC TO WHITE OR BLACK LIST' -section. - - -License -======= - -:Copyright: |copy| 2003-2005 AMD, Personal Connectivity Solutions - -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 SOFTWARE IS PROVIDED ``AS IS`` AND ANY EXPRESS OR IMPLIED WARRANTIES, -INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND -FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR -BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. - -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., -675 Mass Ave, Cambridge, MA 02139, USA. - -Note: - for more information, please refer "AMD Alchemy Au1200/Au1550 IDE - Interface and Linux Device Driver" Application Note. - - -Files, Configs and Compatibility -================================ - -Two files are introduced: - - a) 'arch/mips/include/asm/mach-au1x00/au1xxx_ide.h' - contains : struct _auide_hwif - - - timing parameters for PIO mode 0/1/2/3/4 - - timing parameters for MWDMA 0/1/2 - - b) 'drivers/ide/mips/au1xxx-ide.c' - contains the functionality of the AU1XXX IDE driver - -Following extra configs variables are introduced: - - CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA - - enable the PIO+DBDMA mode - CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA - - enable the MWDMA mode - - -Supported IDE Modes -=================== - -The AU1XXX IDE driver supported all PIO modes - PIO mode 0/1/2/3/4 - and all -MWDMA modes - MWDMA 0/1/2 -. There is no support for SWDMA and UDMA mode. - -To change the PIO mode use the program hdparm with option -p, e.g. -'hdparm -p0 [device]' for PIO mode 0. To enable the MWDMA mode use the option --X, e.g. 'hdparm -X32 [device]' for MWDMA mode 0. - - -Performance Configurations -========================== - -If the used system doesn't need USB support enable the following kernel -configs:: - - CONFIG_IDE=y - CONFIG_BLK_DEV_IDE=y - CONFIG_IDE_GENERIC=y - CONFIG_BLK_DEV_IDEPCI=y - CONFIG_BLK_DEV_GENERIC=y - CONFIG_BLK_DEV_IDEDMA_PCI=y - CONFIG_BLK_DEV_IDE_AU1XXX=y - CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA=y - CONFIG_BLK_DEV_IDEDMA=y - -Also define 'IDE_AU1XXX_BURSTMODE' in 'drivers/ide/mips/au1xxx-ide.c' to enable -the burst support on DBDMA controller. - -If the used system need the USB support enable the following kernel configs for -high IDE to USB throughput. - -:: - - CONFIG_IDE_GENERIC=y - CONFIG_BLK_DEV_IDEPCI=y - CONFIG_BLK_DEV_GENERIC=y - CONFIG_BLK_DEV_IDEDMA_PCI=y - CONFIG_BLK_DEV_IDE_AU1XXX=y - CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA=y - CONFIG_BLK_DEV_IDEDMA=y - -Also undefine 'IDE_AU1XXX_BURSTMODE' in 'drivers/ide/mips/au1xxx-ide.c' to -disable the burst support on DBDMA controller. - - -Acknowledgments -=============== - -These drivers wouldn't have been done without the base of kernel 2.4.x AU1XXX -IDE driver from AMD. - -Additional input also from: -Matthias Lenk - -Happy hacking! - -Enrico Walther diff --git a/Documentation/mips/index.rst b/Documentation/mips/index.rst index a93c2f65884c..d5ad8c00f0bd 100644 --- a/Documentation/mips/index.rst +++ b/Documentation/mips/index.rst @@ -10,8 +10,6 @@ MIPS-specific Documentation ingenic-tcu - au1xxx_ide - .. only:: subproject and html Indices