diff options
Diffstat (limited to 'target/linux/easygate-2.6/files/arch/mips/bcm963xx/info.c')
| -rw-r--r-- | target/linux/easygate-2.6/files/arch/mips/bcm963xx/info.c | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/target/linux/easygate-2.6/files/arch/mips/bcm963xx/info.c b/target/linux/easygate-2.6/files/arch/mips/bcm963xx/info.c deleted file mode 100644 index 47a855d78a..0000000000 --- a/target/linux/easygate-2.6/files/arch/mips/bcm963xx/info.c +++ /dev/null @@ -1,102 +0,0 @@ -/* - * $Id$ - * - * Copyright (C) 2007 OpenWrt.org - * Copyright (C) 2007 Gabor Juhos <juhosg@freemail.hu> - * Copyright (C) 2007 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. - */ - -#include <linux/types.h> -#include <linux/autoconf.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/module.h> - -#include <asm/bootinfo.h> -#include <asm/addrspace.h> -#include <asm/string.h> -#include <asm/mach-bcm963xx/bootloaders.h> - -static char *boot_loader_names[BOOT_LOADER_LAST+1] = { - [BOOT_LOADER_UNKNOWN] = "Unknown", - [BOOT_LOADER_CFE] = "CFE", - [BOOT_LOADER_REDBOOT] = "RedBoot", - [BOOT_LOADER_CFE2] = "CFEv2" -}; - -/* boot loaders specific definitions */ -#define CFE_EPTSEAL 0x43464531 /* CFE1 is the magic number to recognize CFE from other bootloaders */ - -int boot_loader_type; -/* - * Boot loader detection routines - */ -static int __init detect_cfe(void) -{ - /* - * This method only works, when we are booted directly from the CFE. - */ - uint32_t cfe_handle = (uint32_t) fw_arg0; - uint32_t cfe_a1_val = (uint32_t) fw_arg1; - uint32_t cfe_entry = (uint32_t) fw_arg2; - uint32_t cfe_seal = (uint32_t) fw_arg3; - - /* Check for CFE by finding the CFE magic number */ - if (cfe_seal != CFE_EPTSEAL) - /* We are not booted from CFE */ - return 0; - - /* cfe_a1_val must be 0, because only one CPU present in the ADM5120 SoC */ - if (cfe_a1_val != 0) - return 0; - - /* The cfe_handle, and the cfe_entry must be kernel mode addresses */ - if ((cfe_handle < KSEG0) || (cfe_entry < KSEG0)) - return 0; - - return 1; -} - -static int __init detect_redboot(void) -{ - /* On Inventel Livebox, the boot loader is passed as a command line argument, check for it */ - if (!strncmp(arcs_cmdline, "boot_loader=RedBoot", 19)) - return 1; - return 0; -} - -void __init detect_bootloader(void) -{ - if (detect_cfe()) { - boot_loader_type = BOOT_LOADER_CFE; - } - - if (detect_redboot()) { - boot_loader_type = BOOT_LOADER_REDBOOT; - } - else { - /* Some devices are using CFE, but it is not detected as is */ - boot_loader_type = BOOT_LOADER_CFE2; - } - printk("Boot loader is : %s\n", boot_loader_names[boot_loader_type]); -} - -void __init detect_board(void) -{ - switch (boot_loader_type) - { - case BOOT_LOADER_CFE: - break; - case BOOT_LOADER_REDBOOT: - break; - default: - break; - } -} - -EXPORT_SYMBOL(boot_loader_type); |