X-Git-Url: http://git.rohieb.name/openwrt.git/blobdiff_plain/8107ba4c06251523e2f33ab42168e628322ce72d..8b2c7d0c931af2ea427f3a22d2b7b373f8d6cd1a:/target/linux/adm5120-2.6/files/arch/mips/adm5120/prom.c?ds=sidebyside diff --git a/target/linux/adm5120-2.6/files/arch/mips/adm5120/prom.c b/target/linux/adm5120-2.6/files/arch/mips/adm5120/prom.c index 9067fcd97..c2e1dcbae 100644 --- a/target/linux/adm5120-2.6/files/arch/mips/adm5120/prom.c +++ b/target/linux/adm5120-2.6/files/arch/mips/adm5120/prom.c @@ -3,6 +3,7 @@ * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. * Copyright (C) 2003 ADMtek Incorporated. * daniell@admtek.com.tw + * Copyright (C) 2007 OpenWrt.org * * This program is free software; you can distribute it and/or modify it * under the terms of the GNU General Public License (Version 2) as @@ -29,22 +30,14 @@ #include #include -/* boot loaders specific definitions */ -#define CFE_EPTSEAL 0x43464531 -#define CFE 1 -#define MYLOADER 2 -#define UNKNOWN 0 +#include + +static char **prom_envp = NULL; void setup_prom_printf(int); void prom_printf(char *, ...); void prom_meminit(void); -/* we assume we don't know the boot loader by default */ -int boot_loader_type = UNKNOWN; - -#define ADM5120_ENVC 1 - -char *adm5120_envp[2*ADM5120_ENVC] = {"memsize","0x001000000"}; #define READCSR(r) *(volatile unsigned long *)(0xB2600000+(r)) #define WRITECSR(r,v) *(volatile unsigned long *)(0xB2600000+(r)) = v @@ -87,60 +80,46 @@ void prom_printf(char *fmt, ...) char *prom_getenv(char *envname) { - int i, index=0; + char **env; + char *ret; - i = strlen(envname); + ret = NULL; - printk(KERN_INFO "GETENV: envname is %s\n", envname); + if (prom_envp== NULL) + return NULL; - while(index < (2*ADM5120_ENVC)) { - if(strncmp(envname, adm5120_envp[index], i) == 0) { - printk(KERN_INFO "GETENV: returning %s\n", adm5120_envp[index+1]); - return(adm5120_envp[index+1]); + for (env = prom_envp; *env != NULL; env++) { + if (strcmp(envname, *env++) == 0) { + ret = *env; + break; } - index += 2; } - printk(KERN_INFO "GETENV: not found.\n"); - return(NULL); + return ret; } - + +extern char _image_cmdline; /* * initialize the prom module. */ void __init prom_init(void) { + char *cmd; + + if ((fw_arg2 & 3) == 0) { + prom_envp = (char **)fw_arg2; + } + + adm5120_info_init(); + /* you should these macros defined in include/asm/bootinfo.h */ - mips_machgroup = MACH_GROUP_ADM_GW; - mips_machtype = MACH_ADM_GW_5120; + mips_machgroup = MACH_GROUP_ADM5120; + mips_machtype = adm5120_board.mach_type; /* init command line, register a default kernel command line */ - strcpy(&(arcs_cmdline[0]), "console=ttyS0,115200 rootfstype=squashfs,jffs2 init=/etc/preinit"); - - /* check for CFE by finding the CFE magic number */ - int *prom_vec = (int *) fw_arg3; - int argc = fw_arg0; - unsigned int cfe_eptseal; - - if (argc < 0) - cfe_eptseal = (uint32_t)(unsigned long)prom_vec; - else { - if ((int32_t)(long)prom_vec < 0) - /* - * Old loaders all it gives us is the handle, - * so assume the seal. - */ - cfe_eptseal = CFE_EPTSEAL; - else - /* - * Newer loaders bundle the handle/ept/eptseal - */ - cfe_eptseal = (unsigned int)((uint32_t *)prom_vec)[3]; - } - if (cfe_eptseal == CFE_EPTSEAL) { - boot_loader_type = CFE; - printk("adm5120 : CFE boot loader\n"); - } + cmd = &_image_cmdline + 8; + if( strlen(cmd) > 0) strcpy( &(arcs_cmdline[0]), cmd); + else strcpy(&(arcs_cmdline[0]), CONFIG_CMDLINE); /* init memory map */ prom_meminit();