From patchwork Wed May 29 08:00:56 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yoshinori Sato X-Patchwork-Id: 13678096 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id BE3AAC25B75 for ; Wed, 29 May 2024 08:02:02 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C18D811343E; Wed, 29 May 2024 08:02:01 +0000 (UTC) Received: from sakura.ysato.name (ik1-413-38519.vs.sakura.ne.jp [153.127.30.23]) by gabe.freedesktop.org (Postfix) with ESMTP id F2E04113435 for ; Wed, 29 May 2024 08:01:48 +0000 (UTC) Received: from SIOS1075.ysato.name (al128006.dynamic.ppp.asahi-net.or.jp [111.234.128.6]) by sakura.ysato.name (Postfix) with ESMTPSA id EFE401C0940; Wed, 29 May 2024 17:01:45 +0900 (JST) From: Yoshinori Sato To: linux-sh@vger.kernel.org Cc: Yoshinori Sato , Damien Le Moal , Niklas Cassel , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Geert Uytterhoeven , Michael Turquette , Stephen Boyd , David Airlie , Daniel Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Thomas Gleixner , Bjorn Helgaas , Lorenzo Pieralisi , =?utf-8?q?Krzysztof_Wilczy=C5=84?= =?utf-8?q?ski?= , Greg Kroah-Hartman , Jiri Slaby , Magnus Damm , Daniel Lezcano , Rich Felker , John Paul Adrian Glaubitz , Lee Jones , Helge Deller , Heiko Stuebner , Neil Armstrong , Chris Morgan , Sebastian Reichel , Linus Walleij , Arnd Bergmann , Masahiro Yamada , Baoquan He , Andrew Morton , Guenter Roeck , Kefeng Wang , Stephen Rothwell , Azeem Shaikh , Guo Ren , Max Filippov , Jernej Skrabec , Herve Codina , Andy Shevchenko , Anup Patel , Jacky Huang , Hugo Villeneuve , Jonathan Corbet , Wolfram Sang , =?utf-8?q?Uwe_Kleine-K?= =?utf-8?q?=C3=B6nig?= , Christophe JAILLET , Sam Ravnborg , Javier Martinez Canillas , Sergey Shtylyov , Laurent Pinchart , linux-ide@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-clk@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-pci@vger.kernel.org, linux-serial@vger.kernel.org, linux-fbdev@vger.kernel.org Subject: [DO NOT MERGE v8 10/36] sh: Common PCI Framework driver support. Date: Wed, 29 May 2024 17:00:56 +0900 Message-Id: X-Mailer: git-send-email 2.39.2 In-Reply-To: References: MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Add New OF based PCI Host driver. This driver conflicts some point in legacy PCI driver. To resolve the conflict, I made some changes to the legacy driver. Signed-off-by: Yoshinori Sato --- arch/sh/include/asm/io.h | 6 ++++++ arch/sh/include/asm/pci.h | 4 ++++ arch/sh/kernel/iomap.c | 18 ++++++++++++++++++ 3 files changed, 28 insertions(+) diff --git a/arch/sh/include/asm/io.h b/arch/sh/include/asm/io.h index 5c544cf5201b..29b5f996cde3 100644 --- a/arch/sh/include/asm/io.h +++ b/arch/sh/include/asm/io.h @@ -20,6 +20,7 @@ #include #include #include +#include #define __IO_PREFIX generic #include @@ -310,4 +311,9 @@ unsigned long long poke_real_address_q(unsigned long long addr, int valid_phys_addr_range(phys_addr_t addr, size_t size); int valid_mmap_phys_addr_range(unsigned long pfn, size_t size); +#if defined(CONFIG_PCI) && !defined(CONFIG_GENERIC_IOMAP) +#define pci_remap_iospace pci_remap_iospace +int pci_remap_iospace(const struct resource *res, phys_addr_t phys_addr); +#endif + #endif /* __ASM_SH_IO_H */ diff --git a/arch/sh/include/asm/pci.h b/arch/sh/include/asm/pci.h index 54c30126ea17..92b3bd604319 100644 --- a/arch/sh/include/asm/pci.h +++ b/arch/sh/include/asm/pci.h @@ -2,6 +2,7 @@ #ifndef __ASM_SH_PCI_H #define __ASM_SH_PCI_H +#ifndef CONFIG_SH_DEVICE_TREE /* Can be used to override the logic in pci_scan_bus for skipping already-configured bus numbers - to be used for buggy BIOSes or architectures with incomplete PCI setup by the loader */ @@ -88,4 +89,7 @@ static inline int pci_proc_domain(struct pci_bus *bus) return hose->need_domain_info; } +#else /* CONFIG_SH_DEVICE_TREE */ +#include +#endif #endif /* __ASM_SH_PCI_H */ diff --git a/arch/sh/kernel/iomap.c b/arch/sh/kernel/iomap.c index 0a0dff4e66de..d1b8e496ca23 100644 --- a/arch/sh/kernel/iomap.c +++ b/arch/sh/kernel/iomap.c @@ -160,3 +160,21 @@ void iowrite32_rep(void __iomem *addr, const void *src, unsigned long count) mmio_outsl(addr, src, count); } EXPORT_SYMBOL(iowrite32_rep); + +#if defined(pci_remap_iospace) +int pci_remap_iospace(const struct resource *res, phys_addr_t phys_addr) +{ + unsigned long vaddr = res->start; + + if (!(res->flags & IORESOURCE_IO)) + return -EINVAL; + + if (res->end > IO_SPACE_LIMIT) + return -EINVAL; + + __set_io_port_base(phys_addr); + return vmap_page_range(vaddr, vaddr + resource_size(res), phys_addr, + pgprot_device(PAGE_KERNEL)); +} +EXPORT_SYMBOL(pci_remap_iospace); +#endif