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Kukjin Kim3cd7b622011-09-10 10:09:21 +09001/* linux/arch/arm/plat-samsung/include/plat/s3c2443.h
Ben Dookse4d06e32007-02-16 12:12:31 +01002 *
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
15struct s3c2410_uartcfg;
16
17extern int s3c2443_init(void);
18
Ben Dooks74b265d2008-10-21 14:06:31 +010019extern void s3c2443_map_io(void);
Ben Dookse4d06e32007-02-16 12:12:31 +010020
21extern void s3c2443_init_uarts(struct s3c2410_uartcfg *cfg, int no);
22
23extern void s3c2443_init_clocks(int xtal);
24
25extern int s3c2443_baseclk_add(void);
26
Heiko Stuebner57538972011-12-22 23:37:44 +010027extern void s3c2443_restart(char mode, const char *cmd);
Ben Dookse4d06e32007-02-16 12:12:31 +010028#else
29#define s3c2443_init_clocks NULL
30#define s3c2443_init_uarts NULL
31#define s3c2443_map_io NULL
32#define s3c2443_init NULL
Heiko Stuebner57538972011-12-22 23:37:44 +010033#define s3c2443_restart NULL
Ben Dookse4d06e32007-02-16 12:12:31 +010034#endif
Ben Dooksaf337f32010-04-28 18:03:57 +090035
36/* common code used by s3c2443 and others.
37 * note, not to be used outside of arch/arm/mach-s3c* */
38
39struct clk; /* some files don't need clk.h otherwise */
40
41typedef unsigned int (*pll_fn)(unsigned int reg, unsigned int base);
Ben Dooksaf337f32010-04-28 18:03:57 +090042
Heiko Stuebner33ccedf2011-10-14 15:08:57 +090043extern void s3c2443_common_setup_clocks(pll_fn get_mpll);
44extern void s3c2443_common_init_clocks(int xtal, pll_fn get_mpll,
Heiko Stuebnerd9a3bfb2011-10-14 15:08:56 +090045 unsigned int *divs, int nr_divs,
46 int divmask);
Ben Dooksaf337f32010-04-28 18:03:57 +090047
48extern int s3c2443_clkcon_enable_h(struct clk *clk, int enable);
49extern int s3c2443_clkcon_enable_p(struct clk *clk, int enable);
50extern int s3c2443_clkcon_enable_s(struct clk *clk, int enable);
51
52extern struct clksrc_clk clk_epllref;
53extern struct clksrc_clk clk_esysclk;
54extern struct clksrc_clk clk_msysclk;