diff options
Diffstat (limited to 'target/linux/ramips/files-3.7/arch/mips/ralink/common/prom.c')
| -rw-r--r-- | target/linux/ramips/files-3.7/arch/mips/ralink/common/prom.c | 168 |
1 files changed, 0 insertions, 168 deletions
diff --git a/target/linux/ramips/files-3.7/arch/mips/ralink/common/prom.c b/target/linux/ramips/files-3.7/arch/mips/ralink/common/prom.c deleted file mode 100644 index 26169d366d..0000000000 --- a/target/linux/ramips/files-3.7/arch/mips/ralink/common/prom.c +++ /dev/null @@ -1,168 +0,0 @@ -/* - * Ralink SoC specific prom routines - * - * Copyright (C) 2010 Joonas Lahtinen <joonas.lahtinen@gmail.com> - * Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - */ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/string.h> - -#include <asm/bootinfo.h> -#include <asm/addrspace.h> - -#include <asm/mach-ralink/common.h> -#include <asm/mach-ralink/machine.h> - -unsigned long ramips_mem_base; -unsigned long ramips_mem_size_min; -unsigned long ramips_mem_size_max; - -static inline void *to_ram_addr(void *addr) -{ - u32 base; - - base = KSEG0ADDR(ramips_mem_base); - if (((u32) addr > base) && - ((u32) addr < (base + ramips_mem_size_max))) - return addr; - - base = KSEG1ADDR(ramips_mem_base); - if (((u32) addr > base) && - ((u32) addr < (base + ramips_mem_size_max))) - return addr; - - /* some U-Boot variants uses physical addresses */ - base = ramips_mem_base; - if (((u32) addr > base) && - ((u32) addr < (base + ramips_mem_size_max))) - return (void *)KSEG0ADDR(addr); - - return NULL; -} - -static char ramips_cmdline_buf[COMMAND_LINE_SIZE] __initdata; -static void __init prom_append_cmdline(const char *name, - const char *value) -{ - snprintf(ramips_cmdline_buf, sizeof(ramips_cmdline_buf), - " %s=%s", name, value); - strlcat(arcs_cmdline, ramips_cmdline_buf, sizeof(arcs_cmdline)); -} - -#ifdef CONFIG_IMAGE_CMDLINE_HACK -extern char __image_cmdline[]; - -static int __init use_image_cmdline(void) -{ - char *p = __image_cmdline; - int replace = 0; - - if (*p == '-') { - replace = 1; - p++; - } - - if (*p == '\0') - return 0; - - if (replace) { - strlcpy(arcs_cmdline, p, sizeof(arcs_cmdline)); - } else { - strlcat(arcs_cmdline, " ", sizeof(arcs_cmdline)); - strlcat(arcs_cmdline, p, sizeof(arcs_cmdline)); - } - - return 1; -} -#else -static int inline use_image_cmdline(void) { return 0; } -#endif - -static __init void prom_init_cmdline(int argc, char **argv) -{ - int i; - - if (use_image_cmdline()) - return; - - if (!argv) { - printk(KERN_DEBUG "argv=%p is invalid, skipping\n", - argv); - return; - } - - for (i = 0; i < argc; i++) { - char *p = to_ram_addr(argv[i]); - - if (!p) { - printk(KERN_DEBUG - "argv[%d]=%p is invalid, skipping\n", - i, argv[i]); - continue; - } - - printk(KERN_DEBUG "argv[%d]: %s\n", i, p); - strlcat(arcs_cmdline, " ", sizeof(arcs_cmdline)); - strlcat(arcs_cmdline, p, sizeof(arcs_cmdline)); - } -} - -static __init char *prom_append_env(char **env, const char *envname) -{ -#define PROM_MAX_ENVS 256 - int len = strlen(envname); - int i; - - if (!env) { - printk(KERN_DEBUG "env=%p is not in RAM, skipping\n", - env); - return NULL; - } - - for (i = 0; i < PROM_MAX_ENVS; i++) { - char *p = to_ram_addr(env[i]); - - if (!p) - break; - - printk(KERN_DEBUG "env[%d]: %s\n", i, p); - if (strncmp(envname, p, len) == 0 && p[len] == '=') - prom_append_cmdline(envname, p + len + 1); - } - - return NULL; -#undef PROM_MAX_ENVS -} - -void __init prom_init(void) -{ - int argc; - char **envp; - char **argv; - - ramips_soc_prom_init(); - - printk(KERN_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 = to_ram_addr((void *)fw_arg1); - prom_init_cmdline(argc, argv); - - envp = to_ram_addr((void *)fw_arg2); - prom_append_env(envp, "board"); - prom_append_env(envp, "ethaddr"); -} - -void __init prom_free_prom_memory(void) -{ - /* We do not have to prom memory to free */ -} |