patch-2.4.20 linux-2.4.20/arch/mips/sgi-ip32/ip32-setup.c

• Lines: 103
• Date: Thu Nov 28 15:53:10 2002
• Orig file: linux-2.4.19/arch/mips/sgi-ip32/ip32-setup.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -urN linux-2.4.19/arch/mips/sgi-ip32/ip32-setup.c linux-2.4.20/arch/mips/sgi-ip32/ip32-setup.c
@@ -0,0 +1,102 @@
+/*
+ * IP32 basic setup
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2000 Harald Koerfgen
+ */
+#include <linux/config.h>
+#include <linux/sched.h>
+#include <linux/interrupt.h>
+#include <linux/mc146818rtc.h>
+#include <linux/param.h>
+#include <linux/init.h>
+
+#include <asm/time.h>
+#include <asm/mipsregs.h>
+#include <asm/bootinfo.h>
+#include <asm/mmu_context.h>
+#include <asm/ip32/crime.h>
+#include <asm/ip32/mace.h>
+#include <asm/ip32/ip32_ints.h>
+#include <asm/sgialib.h>
+
+extern struct rtc_ops ip32_rtc_ops;
+extern u32 cc_interval;
+
+#ifdef CONFIG_SGI_O2MACE_ETH
+
+/*
+ * This is taken care of in here 'cause they say using Arc later on is
+ * problematic
+ */
+extern char o2meth_eaddr[8];
+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++;
+		num = str2hexnum(*str++) << 4;
+		num |= (str2hexnum(*str++));
+		ea[i] = num;
+	}
+}
+#endif
+
+extern void ip32_time_init(void);
+
+void __init ip32_setup(void)
+{
+#ifdef CONFIG_SERIAL_CONSOLE
+	char *ctype;
+#endif
+	TLBMISS_HANDLER_SETUP ();
+
+	mips_io_port_base = UNCACHEDADDR(MACEPCI_HI_IO);;
+
+#ifdef CONFIG_SERIAL_CONSOLE
+	ctype = ArcGetEnvironmentVariable("console");
+	if (*ctype == 'd') {
+		if (ctype[1] == '2')
+			console_setup ("ttyS1");
+		else
+			console_setup ("ttyS0");
+	}
+#endif
+#ifdef CONFIG_SGI_O2MACE_ETH
+	{
+		char *mac=ArcGetEnvironmentVariable("eaddr");
+		str2eaddr(o2meth_eaddr, mac);
+	}
+#endif
+
+#ifdef CONFIG_VT
+	conswitchp = &dummy_con;
+#endif
+
+	rtc_ops = &ip32_rtc_ops;
+	board_time_init = ip32_time_init;
+
+	crime_init ();
+}
+
+int __init page_is_ram (unsigned long pagenr)
+{
+	/* XXX: to do? */
+	return 1;
+}