diff options
Diffstat (limited to 'u-boot/board/bf537-stamp/post.c')
| -rw-r--r-- | u-boot/board/bf537-stamp/post.c | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/u-boot/board/bf537-stamp/post.c b/u-boot/board/bf537-stamp/post.c new file mode 100644 index 0000000..60eed5f --- /dev/null +++ b/u-boot/board/bf537-stamp/post.c @@ -0,0 +1,174 @@ +/* + * 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; +} |