From patchwork Thu Apr 4 05:14:17 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yoshinori Sato X-Patchwork-Id: 786014 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 0F8DC71722; Thu, 4 Apr 2024 05:15:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=153.127.30.23 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712207707; cv=none; b=hcvTHbiaUR/ddqxWCL1hIBil9y6+PDZvsUqHD0Q3EUaLoOMpQA3VoJJzzXrNOrWRhznw3nj3K/ttSgcl4C9HSeGRKo1yNBxZLbD4+RZUobQ+lQVEkU3BOufmJY1I52e07GCf9u6FXhXm82nn0YgExw5YApcBO/MMsVaEthSQE54= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712207707; c=relaxed/simple; bh=YdVR5VR9Dwt1XuaGLTGtEYBwDqKsBqzuokkPY3rn9Qc=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=b0GmYhqnHWrJB4axyfKCPEOAd2wsFyODdsvjXtCBS//kWUTxCPocizhAQTHOpIL38RDoaf1T7SKEI/HB/okY/6XLnLo2JyL41/88fVm3p3H2vmygsCIaVv2mWVOHjoIPQC9CgYRCiPFztI1YE7I492Uv7bERu2ueR19kbNyPtU4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=users.sourceforge.jp; spf=fail smtp.mailfrom=users.sourceforge.jp; arc=none smtp.client-ip=153.127.30.23 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 (al128006.dynamic.ppp.asahi-net.or.jp [111.234.128.6]) by sakura.ysato.name (Postfix) with ESMTPSA id EA59F1C0EE0; Thu, 4 Apr 2024 14:15:03 +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 , Shawn Guo , Sebastian Reichel , Chris Morgan , Linus Walleij , Arnd Bergmann , David Rientjes , Hyeonggon Yoo <42.hyeyoo@gmail.com>, Vlastimil Babka , Baoquan He , Andrew Morton , Guenter Roeck , Kefeng Wang , Stephen Rothwell , Javier Martinez Canillas , Guo Ren , Azeem Shaikh , Max Filippov , Jonathan Corbet , Jacky Huang , Herve Codina , Manikanta Guntupalli , Anup Patel , Biju Das , =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= , Sam Ravnborg , 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: [RESEND v7 06/37] sh: kernel/setup Update DT support. Date: Thu, 4 Apr 2024 14:14:17 +0900 Message-Id: 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/Kconfig | 23 +++++++++++------------ arch/sh/include/asm/setup.h | 1 + arch/sh/kernel/setup.c | 36 +++++++++++++++++++++++------------- 3 files changed, 35 insertions(+), 25 deletions(-) diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig index 6711cde0d973..242cf30e704d 100644 --- a/arch/sh/Kconfig +++ b/arch/sh/Kconfig @@ -708,17 +708,22 @@ config ROMIMAGE_MMCIF first part of the romImage which in turn loads the rest the kernel image to RAM using the MMCIF hardware block. +config CMDLINE + string "Kernel command line arguments string" + default "console=ttySC1,115200" + choice prompt "Kernel command line" - optional - default CMDLINE_OVERWRITE - depends on !OF || USE_BUILTIN_DTB + default CMDLINE_BOOTLOADER + +config CMDLINE_BOOTLOADER + bool "Use bootloader kernel arguments" help - Setting this option allows the kernel command line arguments - to be set. + Uses the command-line options passed by the boot loader. + If boot loader dosen't provide kernel argments, Use built-in argments. config CMDLINE_OVERWRITE - bool "Overwrite bootloader kernel arguments" + bool "Overwrite built-in kernel arguments" help Given string will overwrite any arguments passed in by a bootloader. @@ -730,12 +735,6 @@ config CMDLINE_EXTEND by a bootloader. endchoice - -config CMDLINE - string "Kernel command line arguments string" - depends on CMDLINE_OVERWRITE || CMDLINE_EXTEND - default "console=ttySC1,115200" - endmenu menu "Bus options" diff --git a/arch/sh/include/asm/setup.h b/arch/sh/include/asm/setup.h index fc807011187f..84bb23a771f3 100644 --- a/arch/sh/include/asm/setup.h +++ b/arch/sh/include/asm/setup.h @@ -21,5 +21,6 @@ void sh_mv_setup(void); void check_for_initrd(void); void per_cpu_trap_init(void); +void sh_fdt_init(phys_addr_t dt_phys); #endif /* _SH_SETUP_H */ diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c index 620e5cf8ae1e..42e6292a40cf 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 +270,22 @@ 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(); + } + /* copy from /chosen/bootargs */ + strscpy(command_line, boot_command_line, COMMAND_LINE_SIZE); +#endif enable_mmu(); +#ifndef CONFIG_OF ROOT_DEV = old_decode_dev(ORIG_ROOT_DEV); printk(KERN_NOTICE "Boot params:\n" @@ -299,14 +314,17 @@ void __init setup_arch(char **cmdline_p) bss_resource.start = virt_to_phys(__bss_start); bss_resource.end = virt_to_phys(__bss_stop)-1; -#ifdef CONFIG_CMDLINE_OVERWRITE - strscpy(command_line, CONFIG_CMDLINE, sizeof(command_line)); -#else - strscpy(command_line, COMMAND_LINE, sizeof(command_line)); +#endif +#if !defined(CONFIG_OF) || defined(CONFIG_USE_BUILTIN_DTB) + if (*COMMAND_LINE) + strscpy(command_line, COMMAND_LINE, sizeof(command_line)); +#endif + if (*command_line == '\0' || IS_ENABLED(CONFIG_CMDLINE_OVERWRITE)) + /* Use built-in parameter */ + strscpy(command_line, CONFIG_CMDLINE, sizeof(command_line)); #ifdef CONFIG_CMDLINE_EXTEND strlcat(command_line, " ", sizeof(command_line)); strlcat(command_line, CONFIG_CMDLINE, sizeof(command_line)); -#endif #endif /* Save unparsed command line copy for /proc/cmdline */ @@ -322,14 +340,6 @@ 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 */