// SPDX-License-Identifier: GPL-2.0-only /* * * Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org> * Copyright (C) 2010 Joonas Lahtinen <joonas.lahtinen@gmail.com> * Copyright (C) 2013 John Crispin <john@phrozen.org> */ #include <linux/string.h> #include <asm/bootinfo.h> #include <asm/addrspace.h> #include <asm/mach-ralink/ralink_regs.h> #include "common.h" struct ralink_soc_info soc_info; enum ralink_soc_type ralink_soc; EXPORT_SYMBOL_GPL(ralink_soc); const char *get_system_type(void) { return soc_info.sys_type; } static __init void prom_init_cmdline(void) { int argc; char **argv; int i; pr_debug("prom: fw_arg0=%08x fw_arg1=%08x fw_arg2=%08x fw_arg3=%08x\n", (unsigned int)fw_arg0, (unsigned int)fw_arg1, (unsigned int)fw_arg2, (unsigned int)fw_arg3); argc = fw_arg0; argv = (char **) KSEG1ADDR(fw_arg1); if (!argv) { pr_debug("argv=%p is invalid, skipping\n", argv); return; } for (i = 0; i < argc; i++) { char *p = (char *) KSEG1ADDR(argv[i]); if (CPHYSADDR(p) && *p) { pr_debug("argv[%d]: %s\n", i, p); strlcat(arcs_cmdline, " ", sizeof(arcs_cmdline)); strlcat(arcs_cmdline, p, sizeof(arcs_cmdline)); } } } void __init prom_init(void) { prom_soc_init(&soc_info); pr_info("SoC Type: %s\n", get_system_type()); prom_init_cmdline(); }