diff options
Diffstat (limited to 'arch/mips/rb532/prom.c')
| -rw-r--r-- | arch/mips/rb532/prom.c | 58 |
1 files changed, 19 insertions, 39 deletions
diff --git a/arch/mips/rb532/prom.c b/arch/mips/rb532/prom.c index a757ded437cd..8c370eb180ef 100644 --- a/arch/mips/rb532/prom.c +++ b/arch/mips/rb532/prom.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * RouterBoard 500 specific prom routines * @@ -6,32 +7,15 @@ * Copyright (C) 2007, Gabor Juhos <juhosg@openwrt.org> * Felix Fietkau <nbd@openwrt.org> * Florian Fainelli <florian@openwrt.org> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the - * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, - * Boston, MA 02110-1301, USA. - * */ #include <linux/init.h> #include <linux/mm.h> -#include <linux/module.h> +#include <linux/export.h> #include <linux/string.h> #include <linux/console.h> -#include <linux/bootmem.h> +#include <linux/memblock.h> #include <linux/ioport.h> -#include <linux/blkdev.h> #include <asm/bootinfo.h> #include <asm/mach-rc32434/ddr.h> @@ -49,11 +33,6 @@ static struct resource ddr_reg[] = { } }; -void __init prom_free_prom_memory(void) -{ - /* No prom memory to free */ -} - static inline int match_tag(char *arg, const char *tag) { return strncmp(arg, tag, strlen(tag)) == 0; @@ -67,13 +46,14 @@ static inline unsigned long tag2ul(char *arg, const char *tag) return simple_strtoul(num, 0, 10); } -void __init prom_setup_cmdline(void) +static void __init prom_setup_cmdline(void) { static char cmd_line[COMMAND_LINE_SIZE] __initdata; char *cp, *board; int prom_argc; char **prom_argv; int i; + size_t len; prom_argc = fw_arg0; prom_argv = (char **) fw_arg1; @@ -103,29 +83,29 @@ void __init prom_setup_cmdline(void) mips_machtype = MACH_MIKROTIK_RB532; } - strcpy(cp, prom_argv[i]); - cp += strlen(prom_argv[i]); + len = strlen(prom_argv[i]); + memcpy(cp, prom_argv[i], len + 1); + cp += len; } *(cp++) = ' '; - i = strlen(arcs_cmdline); - if (i > 0) { + len = strlen(arcs_cmdline); + if (len > 0) { *(cp++) = ' '; - strcpy(cp, arcs_cmdline); - cp += strlen(arcs_cmdline); + memcpy(cp, arcs_cmdline, len + 1); + cp += len; } cmd_line[COMMAND_LINE_SIZE - 1] = '\0'; - - strcpy(arcs_cmdline, cmd_line); + strscpy(arcs_cmdline, cmd_line); } void __init prom_init(void) { struct ddr_ram __iomem *ddr; - phys_t memsize; - phys_t ddrbase; + phys_addr_t memsize; + phys_addr_t ddrbase; - ddr = ioremap_nocache(ddr_reg[0].start, + ddr = ioremap(ddr_reg[0].start, ddr_reg[0].end - ddr_reg[0].start); if (!ddr) { @@ -133,13 +113,13 @@ void __init prom_init(void) return; } - ddrbase = (phys_t)&ddr->ddrbase; - memsize = (phys_t)&ddr->ddrmask; + ddrbase = (phys_addr_t)&ddr->ddrbase; + memsize = (phys_addr_t)&ddr->ddrmask; memsize = 0 - memsize; prom_setup_cmdline(); /* give all RAM to boot allocator, * except for the first 0x400 and the last 0x200 bytes */ - add_memory_region(ddrbase + 0x400, memsize - 0x600, BOOT_MEM_RAM); + memblock_add(ddrbase + 0x400, memsize - 0x600); } |