[MIPS] New files for lemote fulong mini-PC support

Signed-off-by: Fuxin Zhang <zhangfx@lemote.com>
Signed-off-by: Songmao Tian <tiansm@lemote.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 134 insertions, 0 deletions

diff --git a/arch/mips/lemote/lm2e/setup.c b/arch/mips/lemote/lm2e/setup.c
new file mode 100644
index 000000000000..0e4d1fa572b5
--- /dev/null
+++ b/arch/mips/lemote/lm2e/setup.c
@@ -0,0 +1,134 @@
+/*
+ * BRIEF MODULE DESCRIPTION
+ * setup.c - board dependent boot routines
+ *
+ * Copyright (C) 2007 Lemote Inc. & Insititute of Computing Technology
+ * Author: Fuxin Zhang, zhangfx@lemote.com
+ *
+ *  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/bootmem.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/ioport.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/kernel.h>
+#include <linux/mc146818rtc.h>
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/tty.h>
+#include <linux/types.h>
+
+#include <asm/bootinfo.h>
+#include <asm/mc146818-time.h>
+#include <asm/time.h>
+#include <asm/wbflush.h>
+
+#ifdef CONFIG_VT
+#include <linux/console.h>
+#include <linux/screen_info.h>
+#endif
+
+extern void mips_reboot_setup(void);
+
+#ifdef CONFIG_64BIT
+#define PTR_PAD(p) ((0xffffffff00000000)|((unsigned long long)(p)))
+#else
+#define PTR_PAD(p) (p)
+#endif
+
+unsigned long cpu_clock;
+unsigned long bus_clock;
+unsigned int memsize;
+unsigned int highmemsize = 0;
+
+void __init plat_timer_setup(struct irqaction *irq)
+{
+        setup_irq(MIPS_CPU_IRQ_BASE + 7, irq);
+}
+
+static void __init loongson2e_time_init(void)
+{
+        /* setup mips r4k timer */
+        mips_hpt_frequency = cpu_clock / 2;
+}
+
+static unsigned long __init mips_rtc_get_time(void)
+{
+        return mc146818_get_cmos_time();
+}
+
+void (*__wbflush)(void);
+EXPORT_SYMBOL(__wbflush);
+
+static void wbflush_loongson2e(void)
+{
+        asm(".set\tpush\n\t"
+            ".set\tnoreorder\n\t"
+            ".set mips3\n\t"
+            "sync\n\t"
+            "nop\n\t"
+            ".set\tpop\n\t"
+            ".set mips0\n\t");
+}
+
+void __init plat_mem_setup(void)
+{
+        set_io_port_base(PTR_PAD(0xbfd00000));
+
+        mips_reboot_setup();
+
+        board_time_init = loongson2e_time_init;
+        rtc_mips_get_time = mips_rtc_get_time;
+
+        __wbflush = wbflush_loongson2e;
+
+        add_memory_region(0x0, (memsize << 20), BOOT_MEM_RAM);
+#ifdef CONFIG_64BIT
+        if (highmemsize > 0) {
+                add_memory_region(0x20000000, highmemsize << 20, BOOT_MEM_RAM);
+        }
+#endif
+
+#ifdef CONFIG_VT
+#if defined(CONFIG_VGA_CONSOLE)
+        conswitchp = &vga_con;
+
+        screen_info = (struct screen_info) {
+                0, 25,          /* orig-x, orig-y */
+                    0,          /* unused */
+                    0,          /* orig-video-page */
+                    0,          /* orig-video-mode */
+                    80,         /* orig-video-cols */
+                    0, 0, 0,    /* ega_ax, ega_bx, ega_cx */
+                    25,         /* orig-video-lines */
+                    VIDEO_TYPE_VGAC,    /* orig-video-isVGA */
+                    16          /* orig-video-points */
+        };
+#elif defined(CONFIG_DUMMY_CONSOLE)
+        conswitchp = &dummy_con;
+#endif
+#endif
+
+}