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