mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-15 06:33:45 +09:00
0049053ff3
The old MMR defines are being scrubbed, so convert the driver to use the new standard helper macros. For the GPIO MMR usage, convert to the new GPIO framework. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
175 lines
3.6 KiB
C
175 lines
3.6 KiB
C
/*
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* BF537-STAMP POST code
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*
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* Enter bugs at http://blackfin.uclinux.org/
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*
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* Copyright (c) 2005-2009 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 <command.h>
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#include <asm/blackfin.h>
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#include <asm/gpio.h>
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/* Using sw10-PF5 as the hotkey */
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int post_hotkeys_pressed(void)
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{
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int delay = 3;
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int i;
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unsigned short value;
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gpio_request(GPIO_PF5, "post");
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gpio_direction_input(GPIO_PF5);
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printf("########Press SW10 to enter Memory POST########: %2d ", delay);
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while (delay--) {
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for (i = 0; i < 100; i++) {
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value = gpio_get_value(GPIO_PF5);
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if (value != 0) {
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break;
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}
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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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printf("\b\b\b 0");
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printf("\n");
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if (value == 0)
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return 0;
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else {
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printf("Hotkey has been pressed, Enter POST . . . . . .\n");
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return 1;
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}
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gpio_free(GPIO_PF5);
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}
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int uart_post_test(int flags)
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{
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return 0;
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}
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#define BLOCK_SIZE 0x10000
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#define VERIFY_ADDR 0x2000000
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extern int erase_block_flash(int);
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extern int write_data(long lStart, long lCount, uchar * pnData);
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int flash_post_test(int flags)
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{
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unsigned short *pbuf, *temp;
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int offset, n, i;
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int value = 0;
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int result = 0;
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printf("\n");
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pbuf = (unsigned short *)VERIFY_ADDR;
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temp = pbuf;
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for (n = FLASH_START_POST_BLOCK; n < FLASH_END_POST_BLOCK; n++) {
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offset = (n - 7) * BLOCK_SIZE;
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printf("--------Erase block:%2d..", n);
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erase_block_flash(n);
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printf("OK\r");
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printf("--------Program block:%2d...", n);
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write_data(CONFIG_SYS_FLASH_BASE + offset, BLOCK_SIZE, pbuf);
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printf("OK\r");
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printf("--------Verify block:%2d...", n);
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for (i = 0; i < BLOCK_SIZE; i += 2) {
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if (*(unsigned short *)(CONFIG_SYS_FLASH_BASE + offset + i) !=
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*temp++) {
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value = 1;
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result = 1;
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}
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}
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if (value)
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printf("failed\n");
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else
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printf("OK %3d%%\r",
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(int)(
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(n + 1 -
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FLASH_START_POST_BLOCK) *
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100 / (FLASH_END_POST_BLOCK -
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FLASH_START_POST_BLOCK)));
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temp = pbuf;
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value = 0;
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}
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printf("\n");
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if (result)
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return -1;
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else
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return 0;
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}
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/****************************************************
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* LED1 ---- PF6 LED2 ---- PF7 *
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* LED3 ---- PF8 LED4 ---- PF9 *
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* LED5 ---- PF10 LED6 ---- PF11 *
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****************************************************/
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int led_post_test(int flags)
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{
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unsigned int leds[] = {
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GPIO_PF6, GPIO_PF7, GPIO_PF8,
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GPIO_PF9, GPIO_PF10, GPIO_PF11,
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};
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int i;
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for (i = 0; i < ARRAY_SIZE(leds); ++i) {
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gpio_request(leds[i], "post");
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gpio_direction_output(leds[i], 0);
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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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/************************************************
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* SW10 ---- PF5 SW11 ---- PF4 *
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* SW12 ---- PF3 SW13 ---- PF2 *
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************************************************/
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int button_post_test(int flags)
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{
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unsigned int buttons[] = {
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GPIO_PF2, GPIO_PF3, GPIO_PF4, GPIO_PF5,
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};
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unsigned int sws[] = { 13, 12, 11, 10, };
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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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gpio_request(buttons[i], "post");
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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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for (i = 0; i < 100; i++) {
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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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