release/src-rt-6.x.4708/linux/linux-2.6.36/arch/arm/mach-nuc93x/nuc932.c

   1 /*
   2  * linux/arch/arm/mach-nuc93x/nuc932.c
   3  *
   4  * Copyright (c) 2009 Nuvoton corporation.
   5  *
   6  * Wan ZongShun <mcuos.com@gmail.com>
   7  *
   8  * NUC932 cpu support
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation;version 2 of the License.
  13  *
  14  */
  15
  16 #include <linux/platform_device.h>
  17 #include <linux/clk.h>
  18 #include <linux/err.h>
  19
  20 #include <asm/mach/map.h>
  21 #include <mach/hardware.h>
  22
  23 #include "cpu.h"
  24 #include "clock.h"
  25
  26 /* define specific CPU platform device */
  27
  28 static struct platform_device *nuc932_dev[] __initdata = {
  29 };
  30
  31 /* define specific CPU platform io map */
  32
  33 static struct map_desc nuc932evb_iodesc[] __initdata = {
  34 };
  35
  36 /*Init NUC932 evb io*/
  37
  38 void __init nuc932_map_io(void)
  39 {
  40         nuc93x_map_io(nuc932evb_iodesc, ARRAY_SIZE(nuc932evb_iodesc));
  41 }
  42
  43 /*Init NUC932 clock*/
  44
  45 void __init nuc932_init_clocks(void)
  46 {
  47         nuc93x_init_clocks();
  48 }
  49
  50 /*enable NUC932 uart clock*/
  51
  52 void __init nuc932_init_uartclk(void)
  53 {
  54         struct clk *ck_uart = clk_get(NULL, "uart");
  55         BUG_ON(IS_ERR(ck_uart));
  56
  57         clk_enable(ck_uart);
  58 }
  59
  60 /*Init NUC932 board info*/
  61
  62 void __init nuc932_board_init(void)
  63 {
  64         nuc93x_board_init(nuc932_dev, ARRAY_SIZE(nuc932_dev));
  65 }