arch/arm/plat-samsung/include/plat/s3c2443.h

   1 /* linux/arch/arm/plat-samsung/include/plat/s3c2443.h
   2  *
   3  * Copyright (c) 2004-2005 Simtec Electronics
   4  *      Ben Dooks <ben@simtec.co.uk>
   5  *
   6  * Header file for s3c2443 cpu support
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License version 2 as
  10  * published by the Free Software Foundation.
  11 */
  12
  13 #ifdef CONFIG_CPU_S3C2443
  14
  15 struct s3c2410_uartcfg;
  16
  17 extern  int s3c2443_init(void);
  18
  19 extern void s3c2443_map_io(void);
  20
  21 extern void s3c2443_init_uarts(struct s3c2410_uartcfg *cfg, int no);
  22
  23 extern void s3c2443_init_clocks(int xtal);
  24
  25 extern  int s3c2443_baseclk_add(void);
  26
  27 extern void s3c2443_restart(char mode, const char *cmd);
  28 #else
  29 #define s3c2443_init_clocks NULL
  30 #define s3c2443_init_uarts NULL
  31 #define s3c2443_map_io NULL
  32 #define s3c2443_init NULL
  33 #define s3c2443_restart NULL
  34 #endif
  35
  36 /* common code used by s3c2443 and others.
  37  * note, not to be used outside of arch/arm/mach-s3c* */
  38
  39 struct clk;     /* some files don't need clk.h otherwise */
  40
  41 typedef unsigned int (*pll_fn)(unsigned int reg, unsigned int base);
  42
  43 extern void s3c2443_common_setup_clocks(pll_fn get_mpll);
  44 extern void s3c2443_common_init_clocks(int xtal, pll_fn get_mpll,
  45                                        unsigned int *divs, int nr_divs,
  46                                        int divmask);
  47
  48 extern int s3c2443_clkcon_enable_h(struct clk *clk, int enable);
  49 extern int s3c2443_clkcon_enable_p(struct clk *clk, int enable);
  50 extern int s3c2443_clkcon_enable_s(struct clk *clk, int enable);
  51
  52 extern struct clksrc_clk clk_epllref;
  53 extern struct clksrc_clk clk_esysclk;
  54 extern struct clksrc_clk clk_msysclk;