diff options
Diffstat (limited to 'target/linux/ar71xx/files/arch/mips/ar71xx/prom.c')
| -rw-r--r-- | target/linux/ar71xx/files/arch/mips/ar71xx/prom.c | 191 |
1 files changed, 0 insertions, 191 deletions
diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/prom.c b/target/linux/ar71xx/files/arch/mips/ar71xx/prom.c deleted file mode 100644 index b9b1e64..0000000 --- a/target/linux/ar71xx/files/arch/mips/ar71xx/prom.c +++ /dev/null @@ -1,191 +0,0 @@ -/* - * Atheros AR71xx SoC specific prom routines - * - * Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org> - * Copyright (C) 2008 Imre Kaloz <kaloz@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/io.h> -#include <linux/string.h> - -#include <asm/bootinfo.h> -#include <asm/addrspace.h> -#include <asm/fw/myloader/myloader.h> - -#include <asm/mach-ar71xx/ar71xx.h> - -static inline int is_valid_ram_addr(void *addr) -{ - if (((u32) addr > KSEG0) && - ((u32) addr < (KSEG0 + AR71XX_MEM_SIZE_MAX))) - return 1; - - if (((u32) addr > KSEG1) && - ((u32) addr < (KSEG1 + AR71XX_MEM_SIZE_MAX))) - return 1; - - return 0; -} - -static char ar71xx_cmdline_buf[COMMAND_LINE_SIZE] __initdata; -static void __init ar71xx_prom_append_cmdline(const char *name, - const char *value) -{ - snprintf(ar71xx_cmdline_buf, sizeof(ar71xx_cmdline_buf), - " %s=%s", name, value); - strlcat(arcs_cmdline, ar71xx_cmdline_buf, sizeof(arcs_cmdline)); -} - -static const char * __init ar71xx_prom_find_env(char **envp, const char *name) -{ - const char *ret = NULL; - int len; - char **p; - - if (!is_valid_ram_addr(envp)) - return NULL; - - len = strlen(name); - for (p = envp; is_valid_ram_addr(*p); p++) { - if (strncmp(name, *p, len) == 0 && (*p)[len] == '=') { - ret = *p + len + 1; - break; - } - - /* RedBoot env comes in pointer pairs - key, value */ - if (strncmp(name, *p, len) == 0 && (*p)[len] == 0) - if (is_valid_ram_addr(*(++p))) { - ret = *p; - break; - } - } - - return ret; -} - -#ifdef CONFIG_IMAGE_CMDLINE_HACK -extern char __image_cmdline[]; - -static int __init ar71xx_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 inline int ar71xx_use__image_cmdline(void) { return 0; } -#endif - -static int __init ar71xx_prom_init_myloader(void) -{ - struct myloader_info *mylo; - char mac_buf[32]; - unsigned char *mac; - - mylo = myloader_get_info(); - if (!mylo) - return 0; - - switch (mylo->did) { - case DEVID_COMPEX_WP543: - ar71xx_prom_append_cmdline("board", "WP543"); - break; - default: - printk(KERN_WARNING "prom: unknown device id: %x\n", - mylo->did); - return 0; - } - - mac = mylo->macs[0]; - snprintf(mac_buf, sizeof(mac_buf), "%02x:%02x:%02x:%02x:%02x:%02x", - mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); - - ar71xx_prom_append_cmdline("ethaddr", mac_buf); - - ar71xx_use__image_cmdline(); - - return 1; -} - -static __init void ar71xx_prom_init_cmdline(int argc, char **argv) -{ - int i; - - if (ar71xx_use__image_cmdline()) - return; - - if (!is_valid_ram_addr(argv)) - return; - - for (i = 0; i < argc; i++) - if (is_valid_ram_addr(argv[i])) { - strlcat(arcs_cmdline, " ", sizeof(arcs_cmdline)); - strlcat(arcs_cmdline, argv[i], sizeof(arcs_cmdline)); - } -} - -void __init prom_init(void) -{ - const char *env; - char **envp; - - 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); - - - if (ar71xx_prom_init_myloader()) - return; - - ar71xx_prom_init_cmdline(fw_arg0, (char **)fw_arg1); - - envp = (char **)fw_arg2; - if (!strstr(arcs_cmdline, "ethaddr=")) { - env = ar71xx_prom_find_env(envp, "ethaddr"); - if (env) - ar71xx_prom_append_cmdline("ethaddr", env); - } - - if (!strstr(arcs_cmdline, "board=")) { - env = ar71xx_prom_find_env(envp, "board"); - if (env) { - /* Workaround for buggy bootloaders */ - if (strcmp(env, "RouterStation") == 0 || - strcmp(env, "Ubiquiti AR71xx-based board") == 0) - env = "UBNT-RS"; - - if (strcmp(env, "RouterStation PRO") == 0) - env = "UBNT-RSPRO"; - - ar71xx_prom_append_cmdline("board", env); - } - } -} - -void __init prom_free_prom_memory(void) -{ - /* We do not have to prom memory to free */ -} |