Fix extrnal fdt initialize and bootargs. Signed-off-by: Yoshinori Sato <ysato@xxxxxxxxxxxxxxxxxxxx> --- arch/sh/Kconfig | 1 - arch/sh/kernel/setup.c | 31 ++++++++++++++++++++----------- 2 files changed, 20 insertions(+), 12 deletions(-) diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig index 91c7c72bc0db..5c9b50884995 100644 --- a/arch/sh/Kconfig +++ b/arch/sh/Kconfig @@ -712,7 +712,6 @@ config ROMIMAGE_MMCIF choice prompt "Kernel command line" default CMDLINE_OVERWRITE - depends on !OF || USE_BUILTIN_DTB help Setting this option allows the kernel command line arguments to be set. diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c index 620e5cf8ae1e..03ec6f7a1153 100644 --- a/arch/sh/kernel/setup.c +++ b/arch/sh/kernel/setup.c @@ -30,6 +30,7 @@ #include <linux/memblock.h> #include <linux/of.h> #include <linux/of_fdt.h> +#include <linux/libfdt.h> #include <linux/uaccess.h> #include <uapi/linux/mount.h> #include <asm/io.h> @@ -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 +314,16 @@ 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 - strscpy(command_line, COMMAND_LINE, sizeof(command_line)); +#elif !defined(CONFIG_OF) || defined(CONFIG_USE_BUILTIN_DTB) + if (*COMMAND_LINE) + strscpy(command_line, COMMAND_LINE, sizeof(command_line)); +#endif #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 +339,6 @@ 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 */ -- 2.39.2