patch-2.4.19 linux-2.4.19/arch/mips/galileo-boards/ev96100/init.c

• Lines: 175
• Date: Fri Aug 2 17:39:43 2002
• Orig file: linux-2.4.18/arch/mips/galileo-boards/ev96100/init.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -urN linux-2.4.18/arch/mips/galileo-boards/ev96100/init.c linux-2.4.19/arch/mips/galileo-boards/ev96100/init.c
@@ -0,0 +1,174 @@
+/*
+ * Copyright 2000 MontaVista Software Inc.
+ * Author: MontaVista Software, Inc.
+ *         	ppopov@mvista.com or source@mvista.com
+ *
+ * This file was derived from Carsten Langgaard's 
+ * arch/mips/mips-boards/generic/generic.c
+ *
+ * Carsten Langgaard, carstenl@mips.com
+ * Copyright (C) 1999,2000 MIPS Technologies, Inc.  All rights reserved.
+ *
+ *  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.
+ *
+ *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
+ *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
+ *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
+ *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
+ *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
+ *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *  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.,
+ *  675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+#include <linux/init.h>
+#include <linux/mm.h>
+#include <linux/sched.h>
+#include <linux/bootmem.h>
+#include <linux/string.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+
+#include <asm/addrspace.h>
+#include <asm/bootinfo.h>
+#include <asm/galileo-boards/ev96100.h>
+
+
+/* Environment variable */
+
+typedef struct {
+	char *name;
+	char *val;
+} t_env_var;
+
+int prom_argc;
+char **prom_argv, **prom_envp;
+char arcs_cmdline[CL_SIZE];
+
+int init_debug = 0;
+
+char * __init prom_getcmdline(void)
+{
+	return &(arcs_cmdline[0]);
+}
+
+void prom_free_prom_memory (void)
+{
+}
+
+void  __init prom_init_cmdline(void)
+{
+	char *cp;
+	int actr;
+
+	actr = 1; /* Always ignore argv[0] */
+
+	cp = &(arcs_cmdline[0]);
+	while(actr < prom_argc) {
+	        strcpy(cp, prom_argv[actr]);
+		cp += strlen(prom_argv[actr]);
+		*cp++ = ' ';
+		actr++;
+	}
+	if (cp != &(arcs_cmdline[0])) /* get rid of trailing space */
+		--cp;
+	*cp = '\0';
+}
+
+char *prom_getenv(char *envname)
+{
+	/*
+	 * Return a pointer to the given environment variable.
+	 */
+
+	t_env_var *env = (t_env_var *) prom_envp;
+	int i;
+
+	i = strlen(envname);
+
+	while (env->name) {
+		if (strncmp(envname, env->name, i) == 0) {
+			return (env->val);
+		}
+		env++;
+	}
+	return (NULL);
+}
+
+static inline unsigned char str2hexnum(unsigned char c)
+{
+	if (c >= '0' && c <= '9')
+		return c - '0';
+	if (c >= 'a' && c <= 'f')
+		return c - 'a' + 10;
+	return 0;		/* foo */
+}
+
+static inline void str2eaddr(unsigned char *ea, unsigned char *str)
+{
+	int i;
+
+	for (i = 0; i < 6; i++) {
+		unsigned char num;
+
+		if ((*str == '.') || (*str == ':'))
+			str++;
+		num = str2hexnum(*str++) << 4;
+		num |= (str2hexnum(*str++));
+		ea[i] = num;
+	}
+}
+
+int get_ethernet_addr(char *ethernet_addr)
+{
+	char *ethaddr_str;
+
+	ethaddr_str = prom_getenv("ethaddr");
+	if (!ethaddr_str) {
+		printk("ethaddr not set in boot prom\n");
+		return -1;
+	}
+	str2eaddr(ethernet_addr, ethaddr_str);
+
+	if (init_debug > 1) {
+		int i;
+		printk("get_ethernet_addr: ");
+		for (i = 0; i < 5; i++)
+			printk("%02x:",
+			       (unsigned char) *(ethernet_addr + i));
+		printk("%02x\n", *(ethernet_addr + i));
+	}
+
+	return 0;
+}
+
+const char *get_system_type(void)
+{
+	return "Galileo EV96100";
+}
+
+void __init prom_init(int argc, char **argv, char **envp, int *prom_vec)
+{
+	volatile unsigned char *uart;
+	char ppbuf[8];
+
+	prom_argc = argc;
+	prom_argv = argv;
+	prom_envp = envp;
+
+	mips_machgroup = MACH_GROUP_GALILEO;
+	mips_machtype = MACH_EV96100;
+
+	prom_init_cmdline();
+
+	/* 32 MB upgradable */
+	add_memory_region(0, 32 << 20, BOOT_MEM_RAM);
+}