MIPS:Target support for qemu -M mips

With serial, NE2000, IDE support. Tested in big-endian mode.
Memory size hard-coded to 128M for now, so don't play with
the -m option.

Signed-off-by: Vlad Lungu <vlad@comsys.ro>

board/qemu-mips/qemu-mips.c

@@ -0,0 +1,89 @@
+/*
+ * (C) Copyright 2007
+ * Vlad Lungu vlad@comsys.ro
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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 program is distributed in the hope that 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 <common.h>
+#include <command.h>
+#include <asm/mipsregs.h>
+#include <asm/io.h>
+
+long int initdram(int board_type)
+{
+	/* Sdram is setup by assembler code */
+	/* If memory could be changed, we should return the true value here */
+	return MEM_SIZE*1024*1024;
+}
+
+int checkboard(void)
+{
+	u32 proc_id;
+	u32 config1;
+
+	proc_id = read_32bit_cp0_register(CP0_PRID);
+	printf("Board: Qemu -M mips CPU: ");
+	switch (proc_id) {
+	case 0x00018000:
+		printf("4Kc");
+		break;
+	case 0x00018400:
+		printf("4KEcR1");
+		break;
+	case 0x00019000:
+		printf("4KEc");
+		break;
+	case 0x00019300:
+		config1 = read_mips32_cp0_config1();
+		if (config1 & 1)
+			printf("24Kf");
+		else
+			printf("24Kc");
+		break;
+	case 0x00019500:
+		printf("34Kf");
+		break;
+	case 0x00000400:
+		printf("R4000");
+		break;
+	case 0x00018100:
+		config1 = read_mips32_cp0_config1();
+		if (config1 & 1)
+			printf("5Kf");
+		else
+			printf("5Kc");
+		break;
+	case 0x000182a0:
+		printf("20Kc");
+		break;
+
+	default:
+		printf("unknown");
+	}
+	printf(" proc_id=0x%x\n", proc_id);
+
+	return 0;
+}
+
+int misc_init_r(void)
+{
+	set_io_port_base(0);
+	return 0;
+}