[Gnewsense-dev] [loongson-PATCH-v1 06/27] divide the files to the smallest logic unit

[wuzhangjin]

From: Wu Zhangjin <address@hidden>

to enhance the maintainability and scalability of the source code, there
is a need to divide the files to the smallest logic function unit.

at the same time, the header files references are cleaned up, and some
loongson2e* names are changed to loongson* for future source code
sharing between loongson-2e and loongson-2f

Signed-off-by: Wu Zhangjin <address@hidden>
---
 arch/mips/include/asm/mach-loongson/loongson.h |    4 +
 arch/mips/include/asm/mach-loongson/pci.h      |    7 +-
 arch/mips/loongson/fuloong-2e/Makefile         |    3 +-
 arch/mips/loongson/fuloong-2e/bonito-irq.c     |    7 +--
 arch/mips/loongson/fuloong-2e/cmdline.c        |   77 ++++++++++++++++++
 arch/mips/loongson/fuloong-2e/init.c           |   40 +++++++++
 arch/mips/loongson/fuloong-2e/irq.c            |    5 +-
 arch/mips/loongson/fuloong-2e/mem.c            |   18 ++++-
 arch/mips/loongson/fuloong-2e/misc.c           |   13 +++
 arch/mips/loongson/fuloong-2e/pci.c            |   30 +++----
 arch/mips/loongson/fuloong-2e/prom.c           |   90 ---------------------
 arch/mips/loongson/fuloong-2e/setup.c          |  103 ++++++++----------------
 arch/mips/loongson/fuloong-2e/time.c           |   27 ++++++
 13 files changed, 230 insertions(+), 194 deletions(-)
 create mode 100644 arch/mips/loongson/fuloong-2e/cmdline.c
 create mode 100644 arch/mips/loongson/fuloong-2e/init.c
 create mode 100644 arch/mips/loongson/fuloong-2e/misc.c
 delete mode 100644 arch/mips/loongson/fuloong-2e/prom.c
 create mode 100644 arch/mips/loongson/fuloong-2e/time.c

diff --git a/arch/mips/include/asm/mach-loongson/loongson.h 
b/arch/mips/include/asm/mach-loongson/loongson.h
index 26308b5..bce85a8 100644
--- a/arch/mips/include/asm/mach-loongson/loongson.h
+++ b/arch/mips/include/asm/mach-loongson/loongson.h
@@ -24,6 +24,10 @@ extern unsigned long memsize, highmemsize;
 /* loongson-based machines specific reboot setup */
 extern void loongson_reboot_setup(void);
 
+/* loongson-specific command line and memory initialization */
+extern void __init prom_init_memory(void);
+extern void __init prom_init_cmdline(void);
+
 #define LOONGSON_REG(x) \
        (*(u32 *)((char *)CKSEG1ADDR(LOONGSON_REG_BASE) + (x)))
 #define LOONGSON_IRQ_BASE      32
diff --git a/arch/mips/include/asm/mach-loongson/pci.h 
b/arch/mips/include/asm/mach-loongson/pci.h
index 9a351be..8f02486 100644
--- a/arch/mips/include/asm/mach-loongson/pci.h
+++ b/arch/mips/include/asm/mach-loongson/pci.h
@@ -24,9 +24,8 @@
 
 extern struct pci_ops loongson_pci_ops;
 
-#define LOONGSON2E_PCI_MEM_START       0x14000000UL
-#define LOONGSON2E_PCI_MEM_END         0x1fffffffUL
-#define LOONGSON2E_PCI_IO_START                0x00004000UL
-#define LOONGSON2E_IO_PORT_BASE                0x1fd00000UL
+#define LOONGSON_PCI_MEM_START 0x14000000UL
+#define LOONGSON_PCI_MEM_END   0x1fffffffUL
+#define LOONGSON_PCI_IO_START  0x00004000UL
 
 #endif /* !_LOONGSON_PCI_H_ */
diff --git a/arch/mips/loongson/fuloong-2e/Makefile 
b/arch/mips/loongson/fuloong-2e/Makefile
index d34671d..796e729 100644
--- a/arch/mips/loongson/fuloong-2e/Makefile
+++ b/arch/mips/loongson/fuloong-2e/Makefile
@@ -2,6 +2,7 @@
 # Makefile for Lemote Fulong mini-PC board.
 #
 
-obj-y += setup.o prom.o reset.o irq.o pci.o bonito-irq.o dbg_io.o mem.o
+obj-y += setup.o init.o cmdline.o time.o reset.o irq.o \
+       pci.o bonito-irq.o dbg_io.o mem.o misc.o
 
 EXTRA_CFLAGS += -Werror
diff --git a/arch/mips/loongson/fuloong-2e/bonito-irq.c 
b/arch/mips/loongson/fuloong-2e/bonito-irq.c
index 91b9c08..8a32651 100644
--- a/arch/mips/loongson/fuloong-2e/bonito-irq.c
+++ b/arch/mips/loongson/fuloong-2e/bonito-irq.c
@@ -27,16 +27,11 @@
  *  675 Mass Ave, Cambridge, MA 02139, USA.
  *
  */
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <linux/io.h>
-#include <linux/types.h>
+
 #include <linux/interrupt.h>
-#include <linux/irq.h>
 
 #include <loongson.h>
 
-
 static inline void bonito_irq_enable(unsigned int irq)
 {
        LOONGSON_INTENSET = (1 << (irq - LOONGSON_IRQ_BASE));
diff --git a/arch/mips/loongson/fuloong-2e/cmdline.c 
b/arch/mips/loongson/fuloong-2e/cmdline.c
new file mode 100644
index 0000000..01e30db
--- /dev/null
+++ b/arch/mips/loongson/fuloong-2e/cmdline.c
@@ -0,0 +1,77 @@
+/*
+ * Based on Ocelot Linux port, which is
+ * Copyright 2001 MontaVista Software Inc.
+ * Author: address@hidden or address@hidden
+ *
+ * Copyright 2003 ICT CAS
+ * Author: Michael Guo <address@hidden>
+ *
+ * Copyright (C) 2007 Lemote Inc. & Insititute of Computing Technology
+ * Author: Fuxin Zhang, address@hidden
+ *
+ * Copyright (C) 2009 Lemote Inc. & Insititute of Computing Technology
+ * Author: Wu Zhangjin, address@hidden
+ *
+ * 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.
+ */
+
+#include <linux/bootmem.h>
+
+#include <asm/bootinfo.h>
+
+unsigned long bus_clock, cpu_clock_freq;
+unsigned long memsize, highmemsize;
+
+int prom_argc;
+/* pmon passes arguments in 32bit pointers */
+int *_prom_argv, *_prom_envp;
+
+#define parse_even_earlier(res, option, p)                             \
+do {                                                                   \
+       if (strncmp(option, (char *)p, strlen(option)) == 0)            \
+                       strict_strtol((char *)p + strlen(option"="),    \
+                                   10, &res);                          \
+} while (0)
+
+void __init prom_init_cmdline(void)
+{
+       int i;
+       long l;
+       prom_argc = fw_arg0;
+       _prom_argv = (int *)fw_arg1;
+       _prom_envp = (int *)fw_arg2;
+
+       /* arg[0] is "g", the rest is boot parameters */
+       arcs_cmdline[0] = '\0';
+       for (i = 1; i < prom_argc; i++) {
+               l = (long)_prom_argv[i];
+               if (strlen(arcs_cmdline) + strlen(((char *)l) + 1)
+                   >= sizeof(arcs_cmdline))
+                       break;
+               strcat(arcs_cmdline, ((char *)l));
+               strcat(arcs_cmdline, " ");
+       }
+
+       if ((strstr(arcs_cmdline, "console=")) == NULL)
+               strcat(arcs_cmdline, " console=ttyS0,115200");
+       if ((strstr(arcs_cmdline, "root=")) == NULL)
+               strcat(arcs_cmdline, " root=/dev/hda1");
+
+       l = (long)*_prom_envp;
+       while (l != 0) {
+               parse_even_earlier(bus_clock, "busclock", l);
+               parse_even_earlier(cpu_clock_freq, "cpuclock", l);
+               parse_even_earlier(memsize, "memsize", l);
+               parse_even_earlier(highmemsize, "highmemsize", l);
+               _prom_envp++;
+               l = (long)*_prom_envp;
+       }
+       if (memsize == 0)
+               memsize = 256;
+
+       pr_info("busclock=%ld, cpuclock=%ld, memsize=%ld, highmemsize=%ld\n",
+              bus_clock, cpu_clock_freq, memsize, highmemsize);
+}
diff --git a/arch/mips/loongson/fuloong-2e/init.c 
b/arch/mips/loongson/fuloong-2e/init.c
new file mode 100644
index 0000000..76e6fda
--- /dev/null
+++ b/arch/mips/loongson/fuloong-2e/init.c
@@ -0,0 +1,40 @@
+/*
+ * Based on Ocelot Linux port, which is
+ * Copyright 2001 MontaVista Software Inc.
+ * Author: address@hidden or address@hidden
+ *
+ * Copyright 2003 ICT CAS
+ * Author: Michael Guo <address@hidden>
+ *
+ * Copyright (C) 2007 Lemote Inc. & Insititute of Computing Technology
+ * Author: Fuxin Zhang, address@hidden
+ *
+ * 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.
+ */
+
+#include <linux/bootmem.h>
+
+#include <asm/bootinfo.h>
+#include <asm/cpu.h>
+
+#include <loongson.h>
+
+void __init prom_init(void)
+{
+       /* init mach type, does we need to init it?? */
+       mips_machtype = PRID_IMP_LOONGSON2;
+
+       /* init several base address */
+       set_io_port_base((unsigned long)
+                        ioremap(LOONGSON_PCIIO_BASE, LOONGSON_PCIIO_SIZE));
+
+       prom_init_cmdline();
+       prom_init_memory();
+}
+
+void __init prom_free_prom_memory(void)
+{
+}
diff --git a/arch/mips/loongson/fuloong-2e/irq.c 
b/arch/mips/loongson/fuloong-2e/irq.c
index c496065..edd1563 100644
--- a/arch/mips/loongson/fuloong-2e/irq.c
+++ b/arch/mips/loongson/fuloong-2e/irq.c
@@ -23,15 +23,12 @@
  *  675 Mass Ave, Cambridge, MA 02139, USA.
  *
  */
+
 #include <linux/delay.h>
-#include <linux/io.h>
-#include <linux/init.h>
 #include <linux/interrupt.h>
-#include <linux/irq.h>
 
 #include <asm/irq_cpu.h>
 #include <asm/i8259.h>
-#include <asm/mipsregs.h>
 
 #include <loongson.h>
 
diff --git a/arch/mips/loongson/fuloong-2e/mem.c 
b/arch/mips/loongson/fuloong-2e/mem.c
index 16cd215..2a0f4e6 100644
--- a/arch/mips/loongson/fuloong-2e/mem.c
+++ b/arch/mips/loongson/fuloong-2e/mem.c
@@ -4,9 +4,25 @@
  * Free Software Foundation;  either version 2 of the  License, or (at your
  * option) any later version.
  */
+
 #include <linux/fs.h>
-#include <linux/fcntl.h>
 #include <linux/mm.h>
+#include <linux/init.h>
+
+#include <asm/bootinfo.h>
+
+#include <loongson.h>
+
+void __init prom_init_memory(void)
+{
+       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                         /* CONFIG_64BIT */
+}
 
 /* override of arch/mips/mm/cache.c: __uncached_access */
 int __uncached_access(struct file *file, unsigned long addr)
diff --git a/arch/mips/loongson/fuloong-2e/misc.c 
b/arch/mips/loongson/fuloong-2e/misc.c
new file mode 100644
index 0000000..d9532ca
--- /dev/null
+++ b/arch/mips/loongson/fuloong-2e/misc.c
@@ -0,0 +1,13 @@
+/* Copyright (C) 2009 Lemote Inc. & Insititute of Computing Technology
+ * Author: Wu Zhangjin, address@hidden
+ *
+ * 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.
+ */
+
+const char *get_system_type(void)
+{
+       return "fuloong-2e";
+}
diff --git a/arch/mips/loongson/fuloong-2e/pci.c 
b/arch/mips/loongson/fuloong-2e/pci.c
index 1d81110..cfc09a1 100644
--- a/arch/mips/loongson/fuloong-2e/pci.c
+++ b/arch/mips/loongson/fuloong-2e/pci.c
@@ -25,32 +25,29 @@
  *  675 Mass Ave, Cambridge, MA 02139, USA.
  *
  */
-#include <linux/types.h>
 #include <linux/pci.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
 
 #include <loongson.h>
 #include <pci.h>
 
-static struct resource loongson2e_pci_mem_resource = {
-       .name   = "LOONGSON2E PCI MEM",
-       .start  = LOONGSON2E_PCI_MEM_START,
-       .end    = LOONGSON2E_PCI_MEM_END,
+static struct resource loongson_pci_mem_resource = {
+       .name   = "LOONGSON PCI MEM",
+       .start  = LOONGSON_PCI_MEM_START,
+       .end    = LOONGSON_PCI_MEM_END,
        .flags  = IORESOURCE_MEM,
 };
 
-static struct resource loongson2e_pci_io_resource = {
-       .name   = "LOONGSON2E PCI IO MEM",
-       .start  = LOONGSON2E_PCI_IO_START,
+static struct resource loongson_pci_io_resource = {
+       .name   = "LOONGSON PCI IO MEM",
+       .start  = LOONGSON_PCI_IO_START,
        .end    = IO_SPACE_LIMIT,
        .flags  = IORESOURCE_IO,
 };
 
-static struct pci_controller  loongson2e_pci_controller = {
+static struct pci_controller  loongson_pci_controller = {
        .pci_ops        = &loongson_pci_ops,
-       .io_resource    = &loongson2e_pci_io_resource,
-       .mem_resource   = &loongson2e_pci_mem_resource,
+       .io_resource    = &loongson_pci_io_resource,
+       .mem_resource   = &loongson_pci_mem_resource,
        .mem_offset     = 0x00000000UL,
        .io_offset      = 0x00000000UL,
 };
@@ -83,12 +80,9 @@ static int __init pcibios_init(void)
 {
        ict_pcimap();
 
-       loongson2e_pci_controller.io_map_base =
-           (unsigned long) ioremap(LOONGSON2E_IO_PORT_BASE,
-                                   loongson2e_pci_io_resource.end -
-                                   loongson2e_pci_io_resource.start + 1);
+       loongson_pci_controller.io_map_base = mips_io_port_base;
 
-       register_pci_controller(&loongson2e_pci_controller);
+       register_pci_controller(&loongson_pci_controller);
 
        return 0;
 }
diff --git a/arch/mips/loongson/fuloong-2e/prom.c 
b/arch/mips/loongson/fuloong-2e/prom.c
deleted file mode 100644
index 95081f4..0000000
--- a/arch/mips/loongson/fuloong-2e/prom.c
+++ /dev/null
@@ -1,90 +0,0 @@
-/*
- * Based on Ocelot Linux port, which is
- * Copyright 2001 MontaVista Software Inc.
- * Author: address@hidden or address@hidden
- *
- * Copyright 2003 ICT CAS
- * Author: Michael Guo <address@hidden>
- *
- * Copyright (C) 2007 Lemote Inc. & Insititute of Computing Technology
- * Author: Fuxin Zhang, address@hidden
- *
- * 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.
- */
-#include <linux/init.h>
-#include <linux/bootmem.h>
-#include <asm/bootinfo.h>
-
-#include <loongson.h>
-
-static int argc;
-/* pmon passes arguments in 32bit pointers */
-static int *arg;
-static int *env;
-
-const char *get_system_type(void)
-{
-       return "lemote-fulong";
-}
-
-void __init prom_init_cmdline(void)
-{
-       int i;
-       long l;
-
-       /* arg[0] is "g", the rest is boot parameters */
-       arcs_cmdline[0] = '\0';
-       for (i = 1; i < argc; i++) {
-               l = (long)arg[i];
-               if (strlen(arcs_cmdline) + strlen(((char *)l) + 1)
-                   >= sizeof(arcs_cmdline))
-                       break;
-               strcat(arcs_cmdline, ((char *)l));
-               strcat(arcs_cmdline, " ");
-       }
-}
-
-#define parse_even_earlier(res, option, p)                             \
-do {                                                                   \
-       if (strncmp(option, (char *)p, strlen(option)) == 0)            \
-                       strict_strtol((char *)p + strlen(option"="),    \
-                                   10, &res);                          \
-} while (0)
-
-
-void __init prom_init(void)
-{
-       long l;
-       argc = fw_arg0;
-       arg = (int *)fw_arg1;
-       env = (int *)fw_arg2;
-
-       prom_init_cmdline();
-
-       if ((strstr(arcs_cmdline, "console=")) == NULL)
-               strcat(arcs_cmdline, " console=ttyS0,115200");
-       if ((strstr(arcs_cmdline, "root=")) == NULL)
-               strcat(arcs_cmdline, " root=/dev/hda1");
-
-       l = (long)*env;
-       while (l != 0) {
-               parse_even_earlier(bus_clock, "busclock", l);
-               parse_even_earlier(cpu_clock_freq, "cpuclock", l);
-               parse_even_earlier(memsize, "memsize", l);
-               parse_even_earlier(highmemsize, "highmemsize", l);
-               env++;
-               l = (long)*env;
-       }
-       if (memsize == 0)
-               memsize = 256;
-
-       pr_info("busclock=%ld, cpuclock=%ld, memsize=%ld, highmemsize=%ld\n",
-              bus_clock, cpu_clock_freq, memsize, highmemsize);
-}
-
-void __init prom_free_prom_memory(void)
-{
-}
diff --git a/arch/mips/loongson/fuloong-2e/setup.c 
b/arch/mips/loongson/fuloong-2e/setup.c
index ae226a4..770d7b5 100644
--- a/arch/mips/loongson/fuloong-2e/setup.c
+++ b/arch/mips/loongson/fuloong-2e/setup.c
@@ -1,108 +1,71 @@
 /*
- * BRIEF MODULE DESCRIPTION
- * setup.c - board dependent boot routines
+ * board dependent setup routines
  *
  * Copyright (C) 2007 Lemote Inc. & Insititute of Computing Technology
  * Author: Fuxin Zhang, address@hidden
  *
+ * Copyright (C) 2009 Lemote Inc. & Insititute of Computing Technology
+ * Author: Wu Zhangjin, address@hidden
+ *
  *  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/irq.h>
 
-#include <asm/bootinfo.h>
-#include <asm/mc146818-time.h>
+#include <linux/module.h>
+
 #include <asm/wbflush.h>
-#include <asm/time.h>
 
 #include <loongson.h>
-#include <pci.h>
-
-#ifdef CONFIG_VT
-#include <linux/console.h>
-#include <linux/screen_info.h>
-#endif
 
-unsigned long cpu_clock_freq, bus_clock;
-unsigned long memsize, highmemsize;
-
-void __init plat_time_init(void)
-{
-       /* setup mips r4k timer */
-       mips_hpt_frequency = cpu_clock_freq / 2;
-}
-
-unsigned long read_persistent_clock(void)
-{
-       return mc146818_get_cmos_time();
-}
-
-void (*__wbflush)(void);
+void (*__wbflush) (void);
 EXPORT_SYMBOL(__wbflush);
 
-static void wbflush_loongson2e(void)
+static void loongson_wbflush(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");
+           "sync\n\t" "nop\n\t" ".set\tpop\n\t" ".set mips0\n\t");
 }
 
-void __init plat_mem_setup(void)
+void __init loongson_wbflush_setup(void)
 {
-       set_io_port_base((unsigned long)ioremap(LOONGSON2E_IO_PORT_BASE,
-                               IO_SPACE_LIMIT - LOONGSON2E_PCI_IO_START + 1));
-       loongson_reboot_setup();
-
-       __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
+       __wbflush = loongson_wbflush;
+}
 
-#ifdef CONFIG_VT
-#if defined(CONFIG_VGA_CONSOLE)
-       conswitchp = &vga_con;
+#if defined(CONFIG_VT) && defined(CONFIG_VGA_CONSOLE)
+#include <linux/screen_info.h>
 
+void __init loongson_screeninfo_setup(void)
+{
        screen_info = (struct screen_info) {
-               0, 25,          /* orig-x, orig-y */
+                   0,          /* orig-x */
+                   25,         /* 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 */
+                   0,          /* ega_ax */
+                   0,          /* ega_bx */
+                   0,          /* 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
+}
+#else
+void __init loongson_screeninfo_setup(void)
+{
+}
 #endif
 
+void __init plat_mem_setup(void)
+{
+       loongson_reboot_setup();
+
+       loongson_wbflush_setup();
+
+       loongson_screeninfo_setup();
 }
diff --git a/arch/mips/loongson/fuloong-2e/time.c 
b/arch/mips/loongson/fuloong-2e/time.c
new file mode 100644
index 0000000..231f0c2
--- /dev/null
+++ b/arch/mips/loongson/fuloong-2e/time.c
@@ -0,0 +1,27 @@
+/*
+ * board dependent boot routines
+ *
+ * Copyright (C) 2007 Lemote Inc. & Insititute of Computing Technology
+ * Author: Fuxin Zhang, address@hidden
+ *
+ *  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.
+ */
+
+#include <asm/mc146818-time.h>
+#include <asm/time.h>
+
+#include <loongson.h>
+
+unsigned long read_persistent_clock(void)
+{
+       return mc146818_get_cmos_time();
+}
+
+void __init plat_time_init(void)
+{
+       /* setup mips r4k timer */
+       mips_hpt_frequency = cpu_clock_freq / 2;
+}
-- 
1.6.2.1