diff options
Diffstat (limited to 'target/linux/adm5120/files-3.18/arch/mips/adm5120/prom/cfe.c')
-rw-r--r-- | target/linux/adm5120/files-3.18/arch/mips/adm5120/prom/cfe.c | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/target/linux/adm5120/files-3.18/arch/mips/adm5120/prom/cfe.c b/target/linux/adm5120/files-3.18/arch/mips/adm5120/prom/cfe.c deleted file mode 100644 index 5a343cd7e4..0000000000 --- a/target/linux/adm5120/files-3.18/arch/mips/adm5120/prom/cfe.c +++ /dev/null @@ -1,69 +0,0 @@ -/* - * Broadcom's CFE specific prom routines - * - * Copyright (C) 2007-2008 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/types.h> -#include <linux/init.h> - -#include <asm/bootinfo.h> -#include <asm/addrspace.h> - -#include <prom/cfe.h> -#include "prom_read.h" - -/* - * CFE based boards - */ -#define CFE_EPTSEAL 0x43464531 /* CFE1 is the magic number to recognize CFE -from other bootloaders */ - -static int cfe_found; - -static u32 cfe_handle; -static u32 cfe_entry; -static u32 cfe_seal; - -int __init cfe_present(void) -{ - /* - * This method only works, when we are booted directly from the CFE. - */ - u32 a1 = (u32) fw_arg1; - - if (cfe_found) - return 1; - - cfe_handle = (u32) fw_arg0; - cfe_entry = (u32) fw_arg2; - cfe_seal = (u32) fw_arg3; - - /* Check for CFE by finding the CFE magic number */ - if (cfe_seal != CFE_EPTSEAL) - return 0; - - /* cfe_a1_val must be 0, because only one CPU present in the ADM5120 */ - if (a1 != 0) - return 0; - - /* The cfe_handle, and the cfe_entry must be kernel mode addresses */ - if ((cfe_handle < KSEG0) || (cfe_entry < KSEG0)) - return 0; - - cfe_found = 1; - return 1; -} - -char *cfe_getenv(char *envname) -{ - if (cfe_found == 0) - return NULL; - - return NULL; -} |