1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * (C) Copyright 2010
4  * Texas Instruments, <www.ti.com>
5  */
6 
7 #ifndef _SYS_PROTO_H_
8 #define _SYS_PROTO_H_
9 
10 #include <asm/arch/omap.h>
11 #include <asm/io.h>
12 #include <asm/arch/clock.h>
13 #include <asm/omap_common.h>
14 #include <linux/mtd/omap_gpmc.h>
15 #include <asm/arch/clock.h>
16 #include <asm/ti-common/sys_proto.h>
17 
18 /*
19  * Structure for Iodelay configuration registers.
20  * Theoretical max for g_delay is 21560 ps.
21  * Theoretical max for a_delay is 1/3rd of g_delay max.
22  * So using u16 for both a/g_delay.
23  */
24 struct iodelay_cfg_entry {
25 	u16 offset;
26 	u16 a_delay;
27 	u16 g_delay;
28 };
29 
30 struct pad_conf_entry {
31 	u32 offset;
32 	u32 val;
33 };
34 
35 struct mmc_platform_fixups {
36 	const char *hw_rev;
37 	u32 unsupported_caps;
38 	u32 max_freq;
39 };
40 
41 struct omap_sysinfo {
42 	char *board_string;
43 };
44 extern const struct omap_sysinfo sysinfo;
45 
46 void gpmc_init(void);
47 void watchdog_init(void);
48 u32 get_device_type(void);
49 void do_set_mux(u32 base, struct pad_conf_entry const *array, int size);
50 void do_set_mux32(u32 base, struct pad_conf_entry const *array, int size);
51 void set_muxconf_regs(void);
52 u32 wait_on_value(u32, u32, void *, u32);
53 void sdelay(unsigned long);
54 void setup_early_clocks(void);
55 void prcm_init(void);
56 void do_board_detect(void);
57 void vcores_init(void);
58 void bypass_dpll(u32 const base);
59 void freq_update_core(void);
60 u32 get_sys_clk_freq(void);
61 u32 omap5_ddr_clk(void);
62 void cancel_out(u32 *num, u32 *den, u32 den_limit);
63 void sdram_init(void);
64 u32 omap_sdram_size(void);
65 u32 cortex_rev(void);
66 void save_omap_boot_params(void);
67 void init_omap_revision(void);
68 void init_package_revision(void);
69 void do_io_settings(void);
70 void sri2c_init(void);
71 int omap_vc_bypass_send_value(u8 sa, u8 reg_addr, u8 reg_data);
72 u32 warm_reset(void);
73 void force_emif_self_refresh(void);
74 void get_ioregs(const struct ctrl_ioregs **regs);
75 void srcomp_enable(void);
76 void setup_warmreset_time(void);
77 const struct mmc_platform_fixups *platform_fixups_mmc(uint32_t addr);
78 
79 static inline u32 div_round_up(u32 num, u32 den)
80 {
81 	return (num + den - 1)/den;
82 }
83 
84 static inline u32 usec_to_32k(u32 usec)
85 {
86 	return div_round_up(32768 * usec, 1000000);
87 }
88 
89 #define OMAP5_SERVICE_L2ACTLR_SET    0x104
90 #define OMAP5_SERVICE_ACR_SET        0x107
91 
92 #endif
93