+++ /dev/null
-/*****************************************************************************
- * Carsten Langgaard, carstenl@mips.com
- * 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
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
- *
- *****************************************************************************/
-
-#include <linux/init.h>
-#include <linux/autoconf.h>
-#include <linux/kernel.h>
-#include <linux/string.h>
-#include <linux/mm.h>
-#include <linux/bootmem.h>
-
-#include <asm/bootinfo.h>
-#include <asm/addrspace.h>
-
-#include <asm/mach-adm5120/adm5120_info.h>
-
-static char **prom_envp = NULL;
-
-void setup_prom_printf(int);
-void prom_printf(char *, ...);
-void prom_meminit(void);
-
-
-#define READCSR(r) *(volatile unsigned long *)(0xB2600000+(r))
-#define WRITECSR(r,v) *(volatile unsigned long *)(0xB2600000+(r)) = v
-
-#define UART_DR_REG 0x00
-#define UART_FR_REG 0x18
-#define UART_TX_FIFO_FULL 0x20
-
-int putPromChar(char c)
-{
- WRITECSR(UART_DR_REG, c);
- while ( (READCSR(UART_FR_REG) & UART_TX_FIFO_FULL) );
- return 0;
-}
-
-/*
- * Ugly prom_printf used for debugging
- */
-
-void prom_printf(char *fmt, ...)
-{
- va_list args;
- int l;
- char *p, *buf_end;
- char buf[1024];
-
- va_start(args, fmt);
- l = vsprintf(buf, fmt, args); /* hopefully i < sizeof(buf) */
- va_end(args);
-
- buf_end = buf + l;
-
- for (p = buf; p < buf_end; p++) {
- /* Crude cr/nl handling is better than none */
- if (*p == '\n')
- putPromChar('\r');
- putPromChar(*p);
- }
-}
-
-char *prom_getenv(char *envname)
-{
- char **env;
- char *ret;
-
- ret = NULL;
-
- if (prom_envp== NULL)
- return NULL;
-
- for (env = prom_envp; *env != NULL; env++) {
- if (strcmp(envname, *env++) == 0) {
- ret = *env;
- break;
- }
- }
-
- 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_ADM5120;
- mips_machtype = adm5120_board.mach_type;
-
- /* init command line, register a default kernel command line */
- 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();
-}