1 /*
2  * (C) Copyright 2010
3  * Texas Instruments, <www.ti.com>
4  *
5  * SPDX-License-Identifier:	GPL-2.0+
6  */
7 
8 #ifndef _SYS_PROTO_H_
9 #define _SYS_PROTO_H_
10 
11 #include <asm/arch/omap.h>
12 #include <asm/io.h>
13 #include <asm/arch/clock.h>
14 #include <asm/omap_common.h>
15 #include <linux/mtd/omap_gpmc.h>
16 #include <asm/arch/clock.h>
17 #include <asm/ti-common/sys_proto.h>
18 
19 DECLARE_GLOBAL_DATA_PTR;
20 
21 struct pad_conf_entry {
22 	u32 offset;
23 	u32 val;
24 };
25 
26 struct omap_sysinfo {
27 	char *board_string;
28 };
29 extern const struct omap_sysinfo sysinfo;
30 
31 void gpmc_init(void);
32 void watchdog_init(void);
33 u32 get_device_type(void);
34 void do_set_mux(u32 base, struct pad_conf_entry const *array, int size);
35 void set_muxconf_regs_essential(void);
36 u32 wait_on_value(u32, u32, void *, u32);
37 void sdelay(unsigned long);
38 void setup_clocks_for_console(void);
39 void prcm_init(void);
40 void bypass_dpll(u32 const base);
41 void freq_update_core(void);
42 u32 get_sys_clk_freq(void);
43 u32 omap5_ddr_clk(void);
44 void cancel_out(u32 *num, u32 *den, u32 den_limit);
45 void sdram_init(void);
46 u32 omap_sdram_size(void);
47 u32 cortex_rev(void);
48 void save_omap_boot_params(void);
49 void init_omap_revision(void);
50 void do_io_settings(void);
51 void sri2c_init(void);
52 void gpi2c_init(void);
53 int omap_vc_bypass_send_value(u8 sa, u8 reg_addr, u8 reg_data);
54 u32 warm_reset(void);
55 void force_emif_self_refresh(void);
56 void get_ioregs(const struct ctrl_ioregs **regs);
57 void srcomp_enable(void);
58 void setup_warmreset_time(void);
59 
60 static inline u32 div_round_up(u32 num, u32 den)
61 {
62 	return (num + den - 1)/den;
63 }
64 
65 static inline u32 usec_to_32k(u32 usec)
66 {
67 	return div_round_up(32768 * usec, 1000000);
68 }
69 #endif
70