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/*
* BF537-STAMP POST code
*
* Enter bugs at http://blackfin.uclinux.org/
*
* Copyright (c) 2005-2009 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#include <common.h>
#include <config.h>
#include <command.h>
#include <asm/blackfin.h>
#include <asm/gpio.h>
/* Using sw10-PF5 as the hotkey */
int post_hotkeys_pressed(void)
{
int delay = 3;
int i;
unsigned short value;
gpio_request(GPIO_PF5, "post");
gpio_direction_input(GPIO_PF5);
printf("########Press SW10 to enter Memory POST########: %2d ", delay);
while (delay--) {
for (i = 0; i < 100; i++) {
value = gpio_get_value(GPIO_PF5);
if (value != 0) {
break;
}
udelay(10000);
}
printf("\b\b\b%2d ", delay);
}
printf("\b\b\b 0");
printf("\n");
if (value == 0)
return 0;
else {
printf("Hotkey has been pressed, Enter POST . . . . . .\n");
return 1;
}
gpio_free(GPIO_PF5);
}
int uart_post_test(int flags)
{
return 0;
}
#define BLOCK_SIZE 0x10000
#define VERIFY_ADDR 0x2000000
extern int erase_block_flash(int);
extern int write_data(long lStart, long lCount, uchar * pnData);
int flash_post_test(int flags)
{
unsigned short *pbuf, *temp;
int offset, n, i;
int value = 0;
int result = 0;
printf("\n");
pbuf = (unsigned short *)VERIFY_ADDR;
temp = pbuf;
for (n = FLASH_START_POST_BLOCK; n < FLASH_END_POST_BLOCK; n++) {
offset = (n - 7) * BLOCK_SIZE;
printf("--------Erase block:%2d..", n);
erase_block_flash(n);
printf("OK\r");
printf("--------Program block:%2d...", n);
write_data(CONFIG_SYS_FLASH_BASE + offset, BLOCK_SIZE, pbuf);
printf("OK\r");
printf("--------Verify block:%2d...", n);
for (i = 0; i < BLOCK_SIZE; i += 2) {
if (*(unsigned short *)(CONFIG_SYS_FLASH_BASE + offset + i) !=
*temp++) {
value = 1;
result = 1;
}
}
if (value)
printf("failed\n");
else
printf("OK %3d%%\r",
(int)(
(n + 1 -
FLASH_START_POST_BLOCK) *
100 / (FLASH_END_POST_BLOCK -
FLASH_START_POST_BLOCK)));
temp = pbuf;
value = 0;
}
printf("\n");
if (result)
return -1;
else
return 0;
}
/****************************************************
* LED1 ---- PF6 LED2 ---- PF7 *
* LED3 ---- PF8 LED4 ---- PF9 *
* LED5 ---- PF10 LED6 ---- PF11 *
****************************************************/
int led_post_test(int flags)
{
unsigned int leds[] = {
GPIO_PF6, GPIO_PF7, GPIO_PF8,
GPIO_PF9, GPIO_PF10, GPIO_PF11,
};
int i;
for (i = 0; i < ARRAY_SIZE(leds); ++i) {
gpio_request(leds[i], "post");
gpio_direction_output(leds[i], 0);
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;
}
/************************************************
* SW10 ---- PF5 SW11 ---- PF4 *
* SW12 ---- PF3 SW13 ---- PF2 *
************************************************/
int button_post_test(int flags)
{
unsigned int buttons[] = {
GPIO_PF2, GPIO_PF3, GPIO_PF4, GPIO_PF5,
};
unsigned int sws[] = { 13, 12, 11, 10, };
int i, delay = 5;
unsigned short value = 0;
int result = 0;
for (i = 0; i < ARRAY_SIZE(buttons); ++i) {
gpio_request(buttons[i], "post");
gpio_direction_input(buttons[i]);
delay = 5;
printf("\n--------Press SW%i: %2d ", sws[i], delay);
while (delay--) {
for (i = 0; i < 100; i++) {
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;
}
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