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/*
* Blackfin POST code
*
* Copyright (c) 2005-2011 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#include <common.h>
#include <config.h>
#include <post.h>
#include <asm/gpio.h>
#if CONFIG_POST & CONFIG_SYS_POST_BSPEC1
int led_post_test(int flags)
{
unsigned leds[] = { CONFIG_POST_BSPEC1_GPIO_LEDS };
int i;
/* First turn them all off */
for (i = 0; i < ARRAY_SIZE(leds); ++i) {
if (gpio_request(leds[i], "post")) {
printf("could not request gpio %u\n", leds[i]);
continue;
}
gpio_direction_output(leds[i], 0);
}
/* Now turn them on one by one */
for (i = 0; i < ARRAY_SIZE(leds); ++i) {
printf("LED%i on", i + 1);
gpio_set_value(leds[i], 1);
udelay(1000000);
printf("\b\b\b\b\b\b\b");
gpio_free(leds[i]);
}
return 0;
}
#endif
#if CONFIG_POST & CONFIG_SYS_POST_BSPEC2
int button_post_test(int flags)
{
unsigned buttons[] = { CONFIG_POST_BSPEC2_GPIO_BUTTONS };
unsigned int sws[] = { CONFIG_POST_BSPEC2_GPIO_NAMES };
int i, delay = 5;
unsigned short value = 0;
int result = 0;
for (i = 0; i < ARRAY_SIZE(buttons); ++i) {
if (gpio_request(buttons[i], "post")) {
printf("could not request gpio %u\n", buttons[i]);
continue;
}
gpio_direction_input(buttons[i]);
delay = 5;
printf("\n--------Press SW%i: %2d ", sws[i], delay);
while (delay--) {
int j;
for (j = 0; j < 100; j++) {
value = gpio_get_value(buttons[i]);
if (value != 0)
break;
udelay(10000);
}
printf("\b\b\b%2d ", delay);
}
if (value != 0)
puts("\b\bOK");
else {
result = -1;
puts("\b\bfailed");
}
gpio_free(buttons[i]);
}
puts("\n");
return result;
}
#endif
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