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-rw-r--r--arch/mips/galileo-boards/ev96100/init.c173
1 files changed, 173 insertions, 0 deletions
diff --git a/arch/mips/galileo-boards/ev96100/init.c b/arch/mips/galileo-boards/ev96100/init.c
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+++ b/arch/mips/galileo-boards/ev96100/init.c
@@ -0,0 +1,173 @@
+/*
+ * 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 <asm/addrspace.h>
+#include <asm/bootinfo.h>
+#include <asm/gt64120.h>
+
+
+/* Environment variable */
+
+typedef struct {
+ char *name;
+ char *val;
+} t_env_var;
+
+int prom_argc;
+char **prom_argv, **prom_envp;
+
+int init_debug = 0;
+
+char * __init prom_getcmdline(void)
+{
+ return &(arcs_cmdline[0]);
+}
+
+unsigned long __init prom_free_prom_memory(void)
+{
+ return 0;
+}
+
+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(void)
+{
+ volatile unsigned char *uart;
+ char ppbuf[8];
+
+ prom_argc = fw_arg0;
+ prom_argv = (char **) fw_arg1;
+ prom_envp = (char **) fw_arg2;
+
+ mips_machgroup = MACH_GROUP_GALILEO;
+ mips_machtype = MACH_EV96100;
+
+ prom_init_cmdline();
+
+ /* 32 MB upgradable */
+ add_memory_region(0, 32 << 20, BOOT_MEM_RAM);
+}