xref: /OK3568_Linux_fs/u-boot/lib/initcall.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright (c) 2013 The Chromium OS Authors.
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
5*4882a593Smuzhiyun  */
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun #include <common.h>
8*4882a593Smuzhiyun #include <initcall.h>
9*4882a593Smuzhiyun #include <efi.h>
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun DECLARE_GLOBAL_DATA_PTR;
12*4882a593Smuzhiyun 
13*4882a593Smuzhiyun #define TICKS_TO_US(ticks)	((ticks) / (COUNTER_FREQUENCY / 1000000))
14*4882a593Smuzhiyun #define US_TO_MS(ticks)		((ticks) / 1000)
15*4882a593Smuzhiyun #define US_TO_US(ticks)		((ticks) % 1000)
16*4882a593Smuzhiyun 
17*4882a593Smuzhiyun #ifdef DEBUG
call_get_ticks(ulong * ticks)18*4882a593Smuzhiyun static inline void call_get_ticks(ulong *ticks) { *ticks = get_ticks(); }
19*4882a593Smuzhiyun #else
call_get_ticks(ulong * ticks)20*4882a593Smuzhiyun static inline void call_get_ticks(ulong *ticks) { }
21*4882a593Smuzhiyun #endif
22*4882a593Smuzhiyun 
initcall_run_list(const init_fnc_t init_sequence[])23*4882a593Smuzhiyun int initcall_run_list(const init_fnc_t init_sequence[])
24*4882a593Smuzhiyun {
25*4882a593Smuzhiyun 	const init_fnc_t *init_fnc_ptr;
26*4882a593Smuzhiyun 	ulong start = 0, end = 0, sum = 0;
27*4882a593Smuzhiyun 
28*4882a593Smuzhiyun 	if (!gd->sys_start_tick)
29*4882a593Smuzhiyun 		gd->sys_start_tick = get_ticks();
30*4882a593Smuzhiyun 
31*4882a593Smuzhiyun 	for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
32*4882a593Smuzhiyun 		unsigned long reloc_ofs = 0;
33*4882a593Smuzhiyun 		int ret;
34*4882a593Smuzhiyun 
35*4882a593Smuzhiyun 		if (gd->flags & GD_FLG_RELOC)
36*4882a593Smuzhiyun 			reloc_ofs = gd->reloc_off;
37*4882a593Smuzhiyun #ifdef CONFIG_EFI_APP
38*4882a593Smuzhiyun 		reloc_ofs = (unsigned long)image_base;
39*4882a593Smuzhiyun #endif
40*4882a593Smuzhiyun 		debug("initcall: %p", (char *)*init_fnc_ptr - reloc_ofs);
41*4882a593Smuzhiyun 		if (gd->flags & GD_FLG_RELOC)
42*4882a593Smuzhiyun 			debug(" (relocated to %p)\n", (char *)*init_fnc_ptr);
43*4882a593Smuzhiyun 		else
44*4882a593Smuzhiyun 			debug("\n");
45*4882a593Smuzhiyun 		call_get_ticks(&start);
46*4882a593Smuzhiyun 		ret = (*init_fnc_ptr)();
47*4882a593Smuzhiyun 		call_get_ticks(&end);
48*4882a593Smuzhiyun 
49*4882a593Smuzhiyun 		if (start != end) {
50*4882a593Smuzhiyun 			sum = TICKS_TO_US(end - gd->sys_start_tick);
51*4882a593Smuzhiyun 			debug("\t\t\t\t\t\t\t\t#%8ld us #%4ld.%3ld ms\n",
52*4882a593Smuzhiyun 			      TICKS_TO_US(end - start), US_TO_MS(sum), US_TO_US(sum));
53*4882a593Smuzhiyun 		}
54*4882a593Smuzhiyun 		if (ret) {
55*4882a593Smuzhiyun 			printf("initcall sequence %p failed at call %p (err=%d)\n",
56*4882a593Smuzhiyun 			       init_sequence,
57*4882a593Smuzhiyun 			       (char *)*init_fnc_ptr - reloc_ofs, ret);
58*4882a593Smuzhiyun 			return -1;
59*4882a593Smuzhiyun 		}
60*4882a593Smuzhiyun 	}
61*4882a593Smuzhiyun 	return 0;
62*4882a593Smuzhiyun }
63