patch-2.1.23 linux/arch/sparc/ap1000/approm.c

• Lines: 149
• Date: Sun Jan 26 12:07:06 1997
• Orig file: v2.1.22/linux/arch/sparc/ap1000/approm.c
• Orig date: Thu Jan 1 02:00:00 1970

diff -u --recursive --new-file v2.1.22/linux/arch/sparc/ap1000/approm.c linux/arch/sparc/ap1000/approm.c
@@ -0,0 +1,148 @@
+  /*
+   * Copyright 1996 The Australian National University.
+   * Copyright 1996 Fujitsu Laboratories Limited
+   * 
+   * This software may be distributed under the terms of the Gnu
+   * Public License version 2 or later
+  */
+/*
+ * fake a really simple Sun prom for the AP+
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <asm/oplib.h>
+#include <asm/idprom.h> 
+#include <asm/machines.h> 
+#include <asm/ap1000/apservice.h> 
+
+static struct linux_romvec ap_romvec;
+static struct idprom ap_idprom;
+
+struct property {
+	char *name;
+	char *value;
+	int length;
+};
+
+struct node {
+	int level;
+	struct property *properties;
+};
+
+struct property null_properties = { NULL, NULL, -1 };
+
+struct property root_properties[] = {
+	{"device_type", "cpu", 4},
+	{"idprom",      (char *)&ap_idprom, sizeof(ap_idprom)},
+	{"banner-name", "Fujitsu AP1000+", 16},
+	{NULL, NULL, -1}
+};
+
+struct node nodes[] = {
+	{ 0, &null_properties }, 
+	{ 0, root_properties },
+	{ -1,&null_properties }
+};
+
+
+static int no_nextnode(int node)
+{
+	if (nodes[node].level == nodes[node+1].level)
+		return node+1;
+	return -1;
+}
+
+static int no_child(int node)
+{
+	if (nodes[node].level == nodes[node+1].level-1)
+		return node+1;
+	return -1;
+}
+
+static struct property *find_property(int node,char *name)
+{
+	struct property *prop = &nodes[node].properties[0];
+	while (prop && prop->name) {
+		if (strcmp(prop->name,name) == 0) return prop;
+		prop++;
+	}
+	return NULL;
+}
+
+static int no_proplen(int node,char *name)
+{
+	struct property *prop = find_property(node,name);
+	if (prop) return prop->length;
+	return -1;
+}
+
+static int no_getprop(int node,char *name,char *value)
+{
+	struct property *prop = find_property(node,name);
+	if (prop) {
+		memcpy(value,prop->value,prop->length);
+		return 1;
+	}
+	return -1;
+}
+
+static int no_setprop(int node,char *name,char *value,int len)
+{
+	return -1;
+}
+
+static char *no_nextprop(int node,char *name)
+{
+	struct property *prop = find_property(node,name);
+	if (prop) return prop[1].name;
+	return NULL;
+}
+
+
+static struct linux_nodeops ap_nodeops = {
+	no_nextnode,
+	no_child,
+	no_proplen,
+	no_getprop,
+	no_setprop,
+	no_nextprop
+};
+
+
+	
+static unsigned char calc_idprom_cksum(struct idprom *idprom)
+{
+        unsigned char cksum, i, *ptr = (unsigned char *)idprom;
+
+        for (i = cksum = 0; i <= 0x0E; i++)
+                cksum ^= *ptr++;
+
+        return cksum;
+}
+
+static int synch_hook;
+
+
+struct linux_romvec *ap_prom_init(void)
+{
+	memset(&ap_romvec,0,sizeof(ap_romvec));
+
+	ap_romvec.pv_romvers = 42;
+	ap_romvec.pv_nodeops = &ap_nodeops;
+	ap_romvec.pv_reboot = ap_reboot;
+	ap_romvec.pv_synchook = &synch_hook;
+
+	ap_idprom.id_format = 1;
+	ap_idprom.id_sernum = mpp_cid();
+	ap_idprom.id_machtype = SM_SUN4M_OBP;
+	ap_idprom.id_cksum = calc_idprom_cksum(&ap_idprom);
+
+	return &ap_romvec;
+}
+
+
+
+
+