xref: /openbmc/u-boot/include/display_options.h (revision 2a0b7dc3)
1 /*
2  * Copyright (c) 2015 Google, Inc
3  *
4  * (C) Copyright 2000-2002
5  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
6  *
7  * SPDX-License-Identifier:	GPL-2.0+
8  */
9 
10 #ifndef __DISPLAY_OPTIONS_H
11 #define __DISPLAY_OPTIONS_H
12 
13 /**
14  * print_size() - Print a size with a suffix
15  *
16  * Print sizes as "xxx KiB", "xxx.y KiB", "xxx MiB", "xxx.y MiB",
17  * xxx GiB, xxx.y GiB, etc as needed; allow for optional trailing string
18  * (like "\n")
19  *
20  * @size:	Size to print
21  * @suffix	String to print after the size
22  */
23 void print_size(uint64_t size, const char *suffix);
24 
25 /**
26  * print_freq() - Print a frequency with a suffix
27  *
28  * Print frequencies as "x.xx GHz", "xxx KHz", etc as needed; allow for
29  * optional trailing string (like "\n")
30  *
31  * @freq:	Frequency to print in Hz
32  * @suffix	String to print after the frequency
33  */
34 void print_freq(uint64_t freq, const char *suffix);
35 
36 /**
37  * print_buffer() - Print data buffer in hex and ascii form
38  *
39  * Data reads are buffered so that each memory address is only read once.
40  * This is useful when displaying the contents of volatile registers.
41  *
42  * @addr:	Starting address to display at start of line
43  * @data:	pointer to data buffer
44  * @width:	data value width.  May be 1, 2, or 4.
45  * @count:	number of values to display
46  * @linelen:	Number of values to print per line; specify 0 for default length
47  */
48 int print_buffer(ulong addr, const void *data, uint width, uint count,
49 		 uint linelen);
50 
51 /**
52  * display_options() - display the version string / build tag
53  *
54  * This displays the U-Boot version string. If a build tag is available this
55  * is displayed also.
56  */
57 int display_options(void);
58 
59 #endif
60