u-boot for Mediatek MT623x baseband processor
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uboot-mt623x/lib/display_options.c

154 lines
3.8 KiB

/*
* (C) Copyright 2000-2002
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <config.h>
#include <common.h>
#include <linux/ctype.h>
#include <asm/io.h>
int display_options (void)
{
extern char version_string[];
#if defined(BUILD_TAG)
printf ("\n\n%s, Build: %s\n\n", version_string, BUILD_TAG);
#else
printf ("\n\n%s\n\n", version_string);
#endif
return 0;
}
/*
* print sizes as "xxx KiB", "xxx.y KiB", "xxx MiB", "xxx.y MiB",
* xxx GiB, xxx.y GiB, etc as needed; allow for optional trailing string
* (like "\n")
*/
void print_size(unsigned long long size, const char *s)
{
unsigned long m = 0, n;
unsigned long long f;
static const char names[] = {'E', 'P', 'T', 'G', 'M', 'K'};
unsigned long d = 10 * ARRAY_SIZE(names);
char c = 0;
unsigned int i;
for (i = 0; i < ARRAY_SIZE(names); i++, d -= 10) {
if (size >> d) {
c = names[i];
break;
}
}
if (!c) {
printf("%llu Bytes%s", size, s);
return;
}
n = size >> d;
f = size & ((1ULL << d) - 1);
/* If there's a remainder, deal with it */
if (f) {
m = (10ULL * f + (1ULL << (d - 1))) >> d;
if (m >= 10) {
m -= 10;
n += 1;
}
}
printf ("%lu", n);
if (m) {
printf (".%ld", m);
}
printf (" %ciB%s", c, s);
}
/*
* Print data buffer in hex and ascii form to the terminal.
*
* data reads are buffered so that each memory address is only read once.
* Useful when displaying the contents of volatile registers.
*
* parameters:
* addr: Starting address to display at start of line
* data: pointer to data buffer
* width: data value width. May be 1, 2, or 4.
* count: number of values to display
* linelen: Number of values to print per line; specify 0 for default length
*/
#define MAX_LINE_LENGTH_BYTES (64)
#define DEFAULT_LINE_LENGTH_BYTES (16)
int print_buffer (ulong addr, void* data, uint width, uint count, uint linelen)
{
/* linebuf as a union causes proper alignment */
union linebuf {
uint32_t ui[MAX_LINE_LENGTH_BYTES/sizeof(uint32_t) + 1];
uint16_t us[MAX_LINE_LENGTH_BYTES/sizeof(uint16_t) + 1];
uint8_t uc[MAX_LINE_LENGTH_BYTES/sizeof(uint8_t) + 1];
} lb;
int i;
if (linelen*width > MAX_LINE_LENGTH_BYTES)
linelen = MAX_LINE_LENGTH_BYTES / width;
if (linelen < 1)
linelen = DEFAULT_LINE_LENGTH_BYTES / width;
while (count) {
printf("%08lx:", addr);
/* check for overflow condition */
if (count < linelen)
linelen = count;
/* Copy from memory into linebuf and print hex values */
for (i = 0; i < linelen; i++) {
uint32_t x;
if (width == 4)
x = lb.ui[i] = *(volatile uint32_t *)data;
else if (width == 2)
x = lb.us[i] = *(volatile uint16_t *)data;
else
x = lb.uc[i] = *(volatile uint8_t *)data;
printf(" %0*x", width * 2, x);
data += width;
}
/* Print data in ASCII characters */
for (i = 0; i < linelen * width; i++) {
if (!isprint(lb.uc[i]) || lb.uc[i] >= 0x80)
lb.uc[i] = '.';
}
lb.uc[i] = '\0';
printf(" %s\n", lb.uc);
/* update references */
addr += linelen * width;
count -= linelen;
if (ctrlc())
return -1;
}
return 0;
}