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107 lines
2.1 KiB
107 lines
2.1 KiB
/* |
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* Parallel NOR Flash tests |
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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 <malloc.h> |
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#include <post.h> |
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#include <flash.h> |
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#if CONFIG_POST & CONFIG_SYS_POST_FLASH |
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/* |
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* This code will walk over the declared sectors erasing them, |
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* then programming them, then verifying the written contents. |
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* Possible future work: |
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* - verify sectors before/after are not erased/written |
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* - verify partial writes (e.g. programming only middle of sector) |
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* - verify the contents of the erased sector |
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* - better seed pattern than 0x00..0xff |
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*/ |
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#ifndef CONFIG_SYS_POST_FLASH_NUM |
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# define CONFIG_SYS_POST_FLASH_NUM 0 |
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#endif |
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#if CONFIG_SYS_POST_FLASH_START >= CONFIG_SYS_POST_FLASH_END |
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# error "invalid flash block start/end" |
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#endif |
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extern flash_info_t flash_info[]; |
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static void *seed_src_data(void *ptr, ulong *old_len, ulong new_len) |
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{ |
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unsigned char *p; |
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ulong i; |
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p = ptr = realloc(ptr, new_len); |
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if (!ptr) |
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return ptr; |
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for (i = *old_len; i < new_len; ++i) |
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p[i] = i; |
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*old_len = new_len; |
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return ptr; |
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} |
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int flash_post_test(int flags) |
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{ |
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ulong len; |
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void *src; |
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int ret, n, n_start, n_end; |
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flash_info_t *info; |
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/* the output from the common flash layers needs help */ |
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puts("\n"); |
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len = 0; |
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src = NULL; |
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info = &flash_info[CONFIG_SYS_POST_FLASH_NUM]; |
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n_start = CONFIG_SYS_POST_FLASH_START; |
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n_end = CONFIG_SYS_POST_FLASH_END; |
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for (n = n_start; n < n_end; ++n) { |
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ulong s_start, s_len, s_off; |
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s_start = info->start[n]; |
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s_len = flash_sector_size(info, n); |
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s_off = s_start - info->start[0]; |
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src = seed_src_data(src, &len, s_len); |
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if (!src) { |
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printf("malloc(%#lx) failed\n", s_len); |
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return 1; |
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} |
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printf("\tsector %i: %#lx +%#lx", n, s_start, s_len); |
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ret = flash_erase(info, n, n + 1); |
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if (ret) { |
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flash_perror(ret); |
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break; |
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} |
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ret = write_buff(info, src, s_start, s_len); |
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if (ret) { |
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flash_perror(ret); |
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break; |
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} |
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ret = memcmp(src, (void *)s_start, s_len); |
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if (ret) { |
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printf(" verify failed with %i\n", ret); |
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break; |
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} |
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} |
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free(src); |
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return ret; |
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} |
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#endif
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