From patchwork Tue Jan 9 08:23:03 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yoshinori Sato X-Patchwork-Id: 761273 Received: from sakura.ysato.name (ik1-413-38519.vs.sakura.ne.jp [153.127.30.23]) by smtp.subspace.kernel.org (Postfix) with ESMTP id A3AF724B44; Tue, 9 Jan 2024 08:23:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=users.sourceforge.jp Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=users.sourceforge.jp Received: from SIOS1075.ysato.name (ZM005235.ppp.dion.ne.jp [222.8.5.235]) by sakura.ysato.name (Postfix) with ESMTPSA id EA50C1C059A; Tue, 9 Jan 2024 17:23:49 +0900 (JST) From: Yoshinori Sato To: linux-sh@vger.kernel.org Cc: Yoshinori Sato , Damien Le Moal , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Geert Uytterhoeven , Michael Turquette , Stephen Boyd , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter , Thomas Gleixner , Lorenzo Pieralisi , =?utf-8?q?Krzysztof_Wilczy=C5=84?= =?utf-8?q?ski?= , Bjorn Helgaas , Greg Kroah-Hartman , Jiri Slaby , Magnus Damm , Daniel Lezcano , Rich Felker , John Paul Adrian Glaubitz , Lee Jones , Helge Deller , Heiko Stuebner , Jernej Skrabec , Chris Morgan , Yang Xiwen , Sebastian Reichel , Linus Walleij , Randy Dunlap , Arnd Bergmann , Vlastimil Babka , Hyeonggon Yoo <42.hyeyoo@gmail.com>, David Rientjes , Baoquan He , Andrew Morton , Guenter Roeck , Stephen Rothwell , Azeem Shaikh , Javier Martinez Canillas , Max Filippov , Palmer Dabbelt , Bin Meng , Jonathan Corbet , Jacky Huang , Lukas Bulwahn , Biju Das , =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= , Sam Ravnborg , Sergey Shtylyov , Michael Karcher , 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 v6 06/37] sh: kernel/setup Update DT support. Date: Tue, 9 Jan 2024 17:23:03 +0900 Message-Id: <66567de276d44f7d67efe14f193dbce6259bc885.1704788539.git.ysato@users.sourceforge.jp> X-Mailer: git-send-email 2.39.2 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-fbdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Fix extrnal fdt initialize and bootargs. Signed-off-by: Yoshinori Sato --- arch/sh/kernel/setup.c | 33 ++++++++++++++++++++++++--------- 1 file changed, 24 insertions(+), 9 deletions(-) diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c index 3d80515298d2..e3f34027ac9e 100644 --- a/arch/sh/kernel/setup.c +++ b/arch/sh/kernel/setup.c @@ -30,6 +30,7 @@ #include #include #include +#include #include #include #include @@ -269,8 +270,20 @@ void __ref sh_fdt_init(phys_addr_t dt_phys) void __init setup_arch(char **cmdline_p) { +#if defined(CONFIG_OF) && defined(CONFIG_OF_EARLY_FLATTREE) + if (IS_ENABLED(CONFIG_USE_BUILTIN_DTB)) { + /* Relocate Embedded DTB */ + unflatten_and_copy_device_tree(); + } else if (initial_boot_params) { + /* Reserve external DTB area */ + memblock_reserve(__pa(initial_boot_params), + fdt_totalsize(initial_boot_params)); + unflatten_device_tree(); + } +#endif enable_mmu(); +#ifndef CONFIG_OF ROOT_DEV = old_decode_dev(ORIG_ROOT_DEV); printk(KERN_NOTICE "Boot params:\n" @@ -299,6 +312,8 @@ void __init setup_arch(char **cmdline_p) bss_resource.start = virt_to_phys(__bss_start); bss_resource.end = virt_to_phys(__bss_stop)-1; +#endif + #ifdef CONFIG_CMDLINE_OVERWRITE strscpy(command_line, CONFIG_CMDLINE, sizeof(command_line)); #else @@ -310,9 +325,17 @@ void __init setup_arch(char **cmdline_p) #endif /* Save unparsed command line copy for /proc/cmdline */ +#ifndef CONFIG_OF memcpy(boot_command_line, command_line, COMMAND_LINE_SIZE); *cmdline_p = command_line; - +#else + if (!initial_boot_params) { + memcpy(boot_command_line, command_line, COMMAND_LINE_SIZE); + *cmdline_p = command_line; + } else { + *cmdline_p = boot_command_line; + } +#endif parse_early_param(); plat_early_device_setup(); @@ -322,14 +345,6 @@ void __init setup_arch(char **cmdline_p) /* Let earlyprintk output early console messages */ sh_early_platform_driver_probe("earlyprintk", 1, 1); -#ifdef CONFIG_OF_EARLY_FLATTREE -#ifdef CONFIG_USE_BUILTIN_DTB - unflatten_and_copy_device_tree(); -#else - unflatten_device_tree(); -#endif -#endif - paging_init(); /* Perform the machine specific initialisation */