[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/arch/mips/sgi-ip22/ip22-setup.c b/src/kernel/linux/v4.14/arch/mips/sgi-ip22/ip22-setup.c
new file mode 100644
index 0000000..b69daa0
--- /dev/null
+++ b/src/kernel/linux/v4.14/arch/mips/sgi-ip22/ip22-setup.c
@@ -0,0 +1,78 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * ip22-setup.c: SGI specific setup, including init of the feature struct.
+ *
+ * Copyright (C) 1996 David S. Miller (davem@davemloft.net)
+ * Copyright (C) 1997, 1998 Ralf Baechle (ralf@gnu.org)
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/kdev_t.h>
+#include <linux/types.h>
+#include <linux/console.h>
+#include <linux/sched.h>
+#include <linux/tty.h>
+
+#include <asm/addrspace.h>
+#include <asm/bcache.h>
+#include <asm/bootinfo.h>
+#include <asm/irq.h>
+#include <asm/reboot.h>
+#include <asm/time.h>
+#include <asm/io.h>
+#include <asm/traps.h>
+#include <asm/sgialib.h>
+#include <asm/sgi/mc.h>
+#include <asm/sgi/hpc3.h>
+#include <asm/sgi/ip22.h>
+
+extern void ip22_be_init(void) __init;
+
+void __init plat_mem_setup(void)
+{
+ char *ctype;
+ char *cserial;
+
+ board_be_init = ip22_be_init;
+
+ /* Init the INDY HPC I/O controller. Need to call this before
+ * fucking with the memory controller because it needs to know the
+ * boardID and whether this is a Guiness or a FullHouse machine.
+ */
+ sgihpc_init();
+
+ /* Init INDY memory controller. */
+ sgimc_init();
+
+#ifdef CONFIG_BOARD_SCACHE
+ /* Now enable boardcaches, if any. */
+ indy_sc_init();
+#endif
+
+ /* Set EISA IO port base for Indigo2
+ * ioremap cannot fail */
+ set_io_port_base((unsigned long)ioremap(0x00080000,
+ 0x1fffffff - 0x00080000));
+ /* ARCS console environment variable is set to "g?" for
+ * graphics console, it is set to "d" for the first serial
+ * line and "d2" for the second serial line.
+ *
+ * Need to check if the case is 'g' but no keyboard:
+ * (ConsoleIn/Out = serial)
+ */
+ ctype = ArcGetEnvironmentVariable("console");
+ cserial = ArcGetEnvironmentVariable("ConsoleOut");
+
+ if ((ctype && *ctype == 'd') || (cserial && *cserial == 's')) {
+ static char options[8] __initdata;
+ char *baud = ArcGetEnvironmentVariable("dbaud");
+ if (baud)
+ strcpy(options, baud);
+ add_preferred_console("ttyS", *(ctype + 1) == '2' ? 1 : 0,
+ baud ? options : NULL);
+ } else if (!ctype || *ctype != 'g') {
+ /* Use ARC if we don't want serial ('d') or graphics ('g'). */
+ prom_flags |= PROM_FLAG_USE_AS_CONSOLE;
+ add_preferred_console("arc", 0, NULL);
+ }
+}