From patchwork Fri Feb 24 20:49:59 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Gortmaker X-Patchwork-Id: 1747695 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org (client-ip=2404:9400:2:0:216:3eff:fee1:b9f1; helo=lists.ozlabs.org; envelope-from=linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org; receiver=) Authentication-Results: legolas.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=windriver.com header.i=@windriver.com header.a=rsa-sha256 header.s=PPS06212021 header.b=C8U0kj7l; dkim-atps=neutral Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2404:9400:2:0:216:3eff:fee1:b9f1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-384) server-digest SHA384) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4PNhrh5zNyz240f for ; Sat, 25 Feb 2023 07:51:32 +1100 (AEDT) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4PNhrh51Lrz3f4Y for ; Sat, 25 Feb 2023 07:51:32 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=windriver.com header.i=@windriver.com header.a=rsa-sha256 header.s=PPS06212021 header.b=C8U0kj7l; dkim-atps=neutral X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=windriver.com (client-ip=205.220.166.238; helo=mx0a-0064b401.pphosted.com; envelope-from=prvs=14196aa554=paul.gortmaker@windriver.com; receiver=) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=windriver.com header.i=@windriver.com header.a=rsa-sha256 header.s=PPS06212021 header.b=C8U0kj7l; dkim-atps=neutral Received: from mx0a-0064b401.pphosted.com (mx0a-0064b401.pphosted.com [205.220.166.238]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4PNhqR4MR7z3cf6 for ; Sat, 25 Feb 2023 07:50:27 +1100 (AEDT) Received: from pps.filterd (m0250810.ppops.net [127.0.0.1]) by mx0a-0064b401.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 31OKZTwl013860; Fri, 24 Feb 2023 12:50:15 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=windriver.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=PPS06212021; bh=h4symHpgxhIZiNSLyr4atB/q4/3A22oouzBHDeguyXs=; b=C8U0kj7le3oVQJVWd8fsBqHOBnmwYIkjN1rFil1YjrMbbThnyiI6YveVYIDhuMtjq6rh i7zk6IMME/h1M6zV4DOnsM82197BnU0Du59i/rice3OGB3zq4+RwP+/uoOGiSFgGCDMT NlU3dbcieSxnzyXnGXYP0HnQSSB1kILLi15A/igQctfWpuKAAUCq8rFlNsxrtTq5c9yQ mCnJO7wgv2osfIbapI4FXdQmeLiwVR93Ko+ZrcCZJ4UJAFnycWN8jqjLU7EKf30TiUub pjp500aTbbg34MYGf/VuTIdEtsc+Q98jR2jXY7//Ne+TLmaja2Y/5wobk8NIIlWGoN9S vA== Received: from ala-exchng02.corp.ad.wrs.com (unknown-82-254.windriver.com [147.11.82.254]) by mx0a-0064b401.pphosted.com (PPS) with ESMTPS id 3nttu6x4gm-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT); Fri, 24 Feb 2023 12:50:14 -0800 Received: from ala-exchng01.corp.ad.wrs.com (147.11.82.252) by ALA-EXCHNG02.corp.ad.wrs.com (147.11.82.254) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.18; Fri, 24 Feb 2023 12:50:14 -0800 Received: from sc2600cp.wrs.com (128.224.56.77) by ala-exchng01.corp.ad.wrs.com (147.11.82.252) with Microsoft SMTP Server id 15.1.2507.17 via Frontend Transport; Fri, 24 Feb 2023 12:50:13 -0800 From: Paul Gortmaker To: Subject: [PATCH 3/3] powerpc: drop MPC8272-ADS and PowerQUICC II FADS shared code. Date: Fri, 24 Feb 2023 15:49:59 -0500 Message-ID: <20230224204959.17425-4-paul.gortmaker@windriver.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230224204959.17425-1-paul.gortmaker@windriver.com> References: <20230224204959.17425-1-paul.gortmaker@windriver.com> MIME-Version: 1.0 X-Proofpoint-ORIG-GUID: idO2T5Q0ZOvvqz0-Jdq1ykAxzyafgMgR X-Proofpoint-GUID: idO2T5Q0ZOvvqz0-Jdq1ykAxzyafgMgR X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.930,Hydra:6.0.562,FMLib:17.11.170.22 definitions=2023-02-24_15,2023-02-24_01,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 impostorscore=0 clxscore=1015 mlxlogscore=975 mlxscore=0 lowpriorityscore=0 priorityscore=1501 spamscore=0 malwarescore=0 adultscore=0 phishscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2302240166 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Li Yang , Scott Wood , Paul Gortmaker , Claudiu Manoil , Paul Mackerras Errors-To: linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" With the two platforms depending on this shared code, and no others, we can remove the orphaned code and Kconfigs Cc: Scott Wood Cc: Michael Ellerman Cc: Benjamin Herrenschmidt Cc: Paul Mackerras Signed-off-by: Paul Gortmaker --- arch/powerpc/include/asm/mpc8260.h | 4 - arch/powerpc/platforms/82xx/Kconfig | 6 - arch/powerpc/platforms/82xx/Makefile | 1 - arch/powerpc/platforms/82xx/pq2ads-pci-pic.c | 172 ------------------- arch/powerpc/platforms/82xx/pq2ads.h | 40 ----- 5 files changed, 223 deletions(-) delete mode 100644 arch/powerpc/platforms/82xx/pq2ads-pci-pic.c delete mode 100644 arch/powerpc/platforms/82xx/pq2ads.h diff --git a/arch/powerpc/include/asm/mpc8260.h b/arch/powerpc/include/asm/mpc8260.h index fd8c5707425b..155114bbd1a2 100644 --- a/arch/powerpc/include/asm/mpc8260.h +++ b/arch/powerpc/include/asm/mpc8260.h @@ -13,10 +13,6 @@ #ifdef CONFIG_8260 -#if defined(CONFIG_PQ2ADS) || defined (CONFIG_PQ2FADS) -#include -#endif - #ifdef CONFIG_PCI_8260 #include #endif diff --git a/arch/powerpc/platforms/82xx/Kconfig b/arch/powerpc/platforms/82xx/Kconfig index 62a057c6a356..4eb372bdab70 100644 --- a/arch/powerpc/platforms/82xx/Kconfig +++ b/arch/powerpc/platforms/82xx/Kconfig @@ -28,9 +28,6 @@ config MGCOGE endif -config PQ2ADS - bool - config 8260 bool depends on PPC_BOOK3S_32 @@ -46,6 +43,3 @@ config 8272 help The MPC8272 CPM has a different internal dpram setup than other CPM2 devices - -config PQ2_ADS_PCI_PIC - bool diff --git a/arch/powerpc/platforms/82xx/Makefile b/arch/powerpc/platforms/82xx/Makefile index a4257f057401..4fa43a5cd582 100644 --- a/arch/powerpc/platforms/82xx/Makefile +++ b/arch/powerpc/platforms/82xx/Makefile @@ -3,6 +3,5 @@ # Makefile for the PowerPC 82xx linux kernel. # obj-$(CONFIG_CPM2) += pq2.o -obj-$(CONFIG_PQ2_ADS_PCI_PIC) += pq2ads-pci-pic.o obj-$(CONFIG_EP8248E) += ep8248e.o obj-$(CONFIG_MGCOGE) += km82xx.o diff --git a/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c b/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c deleted file mode 100644 index cf3210042a2e..000000000000 --- a/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c +++ /dev/null @@ -1,172 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * PQ2 ADS-style PCI interrupt controller - * - * Copyright 2007 Freescale Semiconductor, Inc. - * Author: Scott Wood - * - * Loosely based on mpc82xx ADS support by Vitaly Bordug - * Copyright (c) 2006 MontaVista Software, Inc. - */ - -#include -#include -#include -#include -#include -#include - -#include -#include - -#include "pq2.h" - -static DEFINE_RAW_SPINLOCK(pci_pic_lock); - -struct pq2ads_pci_pic { - struct device_node *node; - struct irq_domain *host; - - struct { - u32 stat; - u32 mask; - } __iomem *regs; -}; - -#define NUM_IRQS 32 - -static void pq2ads_pci_mask_irq(struct irq_data *d) -{ - struct pq2ads_pci_pic *priv = irq_data_get_irq_chip_data(d); - int irq = NUM_IRQS - irqd_to_hwirq(d) - 1; - - if (irq != -1) { - unsigned long flags; - raw_spin_lock_irqsave(&pci_pic_lock, flags); - - setbits32(&priv->regs->mask, 1 << irq); - mb(); - - raw_spin_unlock_irqrestore(&pci_pic_lock, flags); - } -} - -static void pq2ads_pci_unmask_irq(struct irq_data *d) -{ - struct pq2ads_pci_pic *priv = irq_data_get_irq_chip_data(d); - int irq = NUM_IRQS - irqd_to_hwirq(d) - 1; - - if (irq != -1) { - unsigned long flags; - - raw_spin_lock_irqsave(&pci_pic_lock, flags); - clrbits32(&priv->regs->mask, 1 << irq); - raw_spin_unlock_irqrestore(&pci_pic_lock, flags); - } -} - -static struct irq_chip pq2ads_pci_ic = { - .name = "PQ2 ADS PCI", - .irq_mask = pq2ads_pci_mask_irq, - .irq_mask_ack = pq2ads_pci_mask_irq, - .irq_ack = pq2ads_pci_mask_irq, - .irq_unmask = pq2ads_pci_unmask_irq, - .irq_enable = pq2ads_pci_unmask_irq, - .irq_disable = pq2ads_pci_mask_irq -}; - -static void pq2ads_pci_irq_demux(struct irq_desc *desc) -{ - struct pq2ads_pci_pic *priv = irq_desc_get_handler_data(desc); - u32 stat, mask, pend; - int bit; - - for (;;) { - stat = in_be32(&priv->regs->stat); - mask = in_be32(&priv->regs->mask); - - pend = stat & ~mask; - - if (!pend) - break; - - for (bit = 0; pend != 0; ++bit, pend <<= 1) { - if (pend & 0x80000000) - generic_handle_domain_irq(priv->host, bit); - } - } -} - -static int pci_pic_host_map(struct irq_domain *h, unsigned int virq, - irq_hw_number_t hw) -{ - irq_set_status_flags(virq, IRQ_LEVEL); - irq_set_chip_data(virq, h->host_data); - irq_set_chip_and_handler(virq, &pq2ads_pci_ic, handle_level_irq); - return 0; -} - -static const struct irq_domain_ops pci_pic_host_ops = { - .map = pci_pic_host_map, -}; - -int __init pq2ads_pci_init_irq(void) -{ - struct pq2ads_pci_pic *priv; - struct irq_domain *host; - struct device_node *np; - int ret = -ENODEV; - int irq; - - np = of_find_compatible_node(NULL, NULL, "fsl,pq2ads-pci-pic"); - if (!np) { - printk(KERN_ERR "No pci pic node in device tree.\n"); - goto out; - } - - irq = irq_of_parse_and_map(np, 0); - if (!irq) { - printk(KERN_ERR "No interrupt in pci pic node.\n"); - goto out_put_node; - } - - priv = kzalloc(sizeof(*priv), GFP_KERNEL); - if (!priv) { - ret = -ENOMEM; - goto out_unmap_irq; - } - - /* PCI interrupt controller registers: status and mask */ - priv->regs = of_iomap(np, 0); - if (!priv->regs) { - printk(KERN_ERR "Cannot map PCI PIC registers.\n"); - goto out_free_kmalloc; - } - - /* mask all PCI interrupts */ - out_be32(&priv->regs->mask, ~0); - mb(); - - host = irq_domain_add_linear(np, NUM_IRQS, &pci_pic_host_ops, priv); - if (!host) { - ret = -ENOMEM; - goto out_unmap_regs; - } - - priv->host = host; - irq_set_handler_data(irq, priv); - irq_set_chained_handler(irq, pq2ads_pci_irq_demux); - ret = 0; - goto out_put_node; - -out_unmap_regs: - iounmap(priv->regs); -out_free_kmalloc: - kfree(priv); -out_unmap_irq: - irq_dispose_mapping(irq); -out_put_node: - of_node_put(np); -out: - return ret; -} diff --git a/arch/powerpc/platforms/82xx/pq2ads.h b/arch/powerpc/platforms/82xx/pq2ads.h deleted file mode 100644 index 9d0bf744945c..000000000000 --- a/arch/powerpc/platforms/82xx/pq2ads.h +++ /dev/null @@ -1,40 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ -/* - * PQ2/mpc8260 board-specific stuff - * - * A collection of structures, addresses, and values associated with - * the Freescale MPC8260ADS/MPC8266ADS-PCI boards. - * Copied from the RPX-Classic and SBS8260 stuff. - * - * Author: Vitaly Bordug - * - * Originally written by Dan Malek for Motorola MPC8260 family - * - * Copyright (c) 2001 Dan Malek - * Copyright (c) 2006 MontaVista Software, Inc. - */ - -#ifdef __KERNEL__ -#ifndef __MACH_ADS8260_DEFS -#define __MACH_ADS8260_DEFS - -#include - -/* The ADS8260 has 16, 32-bit wide control/status registers, accessed - * only on word boundaries. - * Not all are used (yet), or are interesting to us (yet). - */ - -/* Things of interest in the CSR. - */ -#define BCSR0_LED0 ((uint)0x02000000) /* 0 == on */ -#define BCSR0_LED1 ((uint)0x01000000) /* 0 == on */ -#define BCSR1_FETHIEN ((uint)0x08000000) /* 0 == enable*/ -#define BCSR1_FETH_RST ((uint)0x04000000) /* 0 == reset */ -#define BCSR1_RS232_EN1 ((uint)0x02000000) /* 0 ==enable */ -#define BCSR1_RS232_EN2 ((uint)0x01000000) /* 0 ==enable */ -#define BCSR3_FETHIEN2 ((uint)0x10000000) /* 0 == enable*/ -#define BCSR3_FETH2_RST ((uint)0x80000000) /* 0 == reset */ - -#endif /* __MACH_ADS8260_DEFS */ -#endif /* __KERNEL__ */