mirror of
https://github.com/Fishwaldo/u-boot.git
synced 2025-03-19 13:41:31 +00:00
Merge branch 'sf' of git://git.denx.de/u-boot-blackfin
This commit is contained in:
commit
f12d4cb48a
8 changed files with 276 additions and 16 deletions
232
common/env_sf.c
232
common/env_sf.c
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@ -43,6 +43,14 @@
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# define CONFIG_ENV_SPI_MODE SPI_MODE_3
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#endif
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#ifdef CONFIG_ENV_OFFSET_REDUND
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static ulong env_offset = CONFIG_ENV_OFFSET;
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static ulong env_new_offset = CONFIG_ENV_OFFSET_REDUND;
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#define ACTIVE_FLAG 1
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#define OBSOLETE_FLAG 0
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#endif /* CONFIG_ENV_ADDR_REDUND */
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DECLARE_GLOBAL_DATA_PTR;
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/* references to names in env_common.c */
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@ -58,6 +66,229 @@ uchar env_get_char_spec(int index)
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return *((uchar *)(gd->env_addr + index));
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}
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#if defined(CONFIG_ENV_OFFSET_REDUND)
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void swap_env(void)
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{
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ulong tmp_offset = env_offset;
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env_offset = env_new_offset;
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env_new_offset = tmp_offset;
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}
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int saveenv(void)
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{
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u32 saved_size, saved_offset;
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char *saved_buffer = NULL;
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u32 sector = 1;
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int ret;
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char flag = OBSOLETE_FLAG, new_flag = ACTIVE_FLAG;
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if (!env_flash) {
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puts("Environment SPI flash not initialized\n");
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return 1;
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}
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/* Is the sector larger than the env (i.e. embedded) */
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if (CONFIG_ENV_SECT_SIZE > CONFIG_ENV_SIZE) {
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saved_size = CONFIG_ENV_SECT_SIZE - CONFIG_ENV_SIZE;
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saved_offset = env_new_offset + CONFIG_ENV_SIZE;
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saved_buffer = malloc(saved_size);
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if (!saved_buffer) {
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ret = 1;
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goto done;
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}
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ret = spi_flash_read(env_flash, saved_offset,
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saved_size, saved_buffer);
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if (ret)
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goto done;
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}
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if (CONFIG_ENV_SIZE > CONFIG_ENV_SECT_SIZE) {
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sector = CONFIG_ENV_SIZE / CONFIG_ENV_SECT_SIZE;
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if (CONFIG_ENV_SIZE % CONFIG_ENV_SECT_SIZE)
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sector++;
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}
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puts("Erasing SPI flash...");
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ret = spi_flash_erase(env_flash, env_new_offset,
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sector * CONFIG_ENV_SECT_SIZE);
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if (ret)
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goto done;
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puts("Writing to SPI flash...");
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ret = spi_flash_write(env_flash,
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env_new_offset + offsetof(env_t, data),
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sizeof(env_ptr->data), env_ptr->data);
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if (ret)
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goto done;
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ret = spi_flash_write(env_flash,
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env_new_offset + offsetof(env_t, crc),
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sizeof(env_ptr->crc), &env_ptr->crc);
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if (ret)
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goto done;
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ret = spi_flash_write(env_flash,
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env_offset + offsetof(env_t, flags),
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sizeof(env_ptr->flags), &flag);
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if (ret)
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goto done;
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ret = spi_flash_write(env_flash,
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env_new_offset + offsetof(env_t, flags),
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sizeof(env_ptr->flags), &new_flag);
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if (ret)
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goto done;
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if (CONFIG_ENV_SECT_SIZE > CONFIG_ENV_SIZE) {
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ret = spi_flash_write(env_flash, saved_offset,
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saved_size, saved_buffer);
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if (ret)
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goto done;
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}
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swap_env();
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ret = 0;
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puts("done\n");
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done:
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if (saved_buffer)
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free(saved_buffer);
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return ret;
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}
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void env_relocate_spec(void)
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{
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int ret;
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int crc1_ok = 0, crc2_ok = 0;
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env_t *tmp_env1 = NULL;
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env_t *tmp_env2 = NULL;
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uchar flag1, flag2;
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/* current_env is set only in case both areas are valid! */
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int current_env = 0;
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tmp_env1 = (env_t *)malloc(CONFIG_ENV_SIZE);
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if (!tmp_env1) {
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puts("*** Warning: could not init environment,"
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" using defaults\n\n");
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goto out;
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}
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tmp_env2 = (env_t *)malloc(CONFIG_ENV_SIZE);
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if (!tmp_env2) {
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puts("*** Warning: could not init environment,"
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" using defaults\n\n");
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goto out;
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}
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env_flash = spi_flash_probe(CONFIG_ENV_SPI_BUS, CONFIG_ENV_SPI_CS,
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CONFIG_ENV_SPI_MAX_HZ, CONFIG_ENV_SPI_MODE);
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if (!env_flash)
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goto err_probe;
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ret = spi_flash_read(env_flash, CONFIG_ENV_OFFSET,
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CONFIG_ENV_SIZE, tmp_env1);
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if (ret)
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goto err_read;
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if (crc32(0, tmp_env1->data, ENV_SIZE) == tmp_env1->crc)
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crc1_ok = 1;
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flag1 = tmp_env1->flags;
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ret = spi_flash_read(env_flash, CONFIG_ENV_OFFSET_REDUND,
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CONFIG_ENV_SIZE, tmp_env2);
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if (!ret) {
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if (crc32(0, tmp_env2->data, ENV_SIZE) == tmp_env2->crc)
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crc2_ok = 1;
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flag2 = tmp_env2->flags;
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}
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if (!crc1_ok && !crc2_ok)
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goto err_crc;
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else if (crc1_ok && !crc2_ok) {
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gd->env_valid = 1;
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memcpy(env_ptr, tmp_env1, CONFIG_ENV_SIZE);
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} else if (!crc1_ok && crc2_ok) {
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gd->env_valid = 1;
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memcpy(env_ptr, tmp_env2, CONFIG_ENV_SIZE);
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swap_env();
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} else if (flag1 == ACTIVE_FLAG && flag2 == OBSOLETE_FLAG) {
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gd->env_valid = 1;
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memcpy(env_ptr, tmp_env1, CONFIG_ENV_SIZE);
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} else if (flag1 == OBSOLETE_FLAG && flag2 == ACTIVE_FLAG) {
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gd->env_valid = 1;
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memcpy(env_ptr, tmp_env2, CONFIG_ENV_SIZE);
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swap_env();
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} else if (flag1 == flag2) {
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gd->env_valid = 2;
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memcpy(env_ptr, tmp_env1, CONFIG_ENV_SIZE);
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current_env = 1;
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} else if (flag1 == 0xFF) {
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gd->env_valid = 2;
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memcpy(env_ptr, tmp_env1, CONFIG_ENV_SIZE);
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current_env = 1;
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} else {
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/*
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* this differs from code in env_flash.c, but I think a sane
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* default path is desirable.
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*/
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gd->env_valid = 2;
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memcpy(env_ptr, tmp_env2, CONFIG_ENV_SIZE);
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swap_env();
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current_env = 2;
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}
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if (current_env == 1) {
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if (flag2 != OBSOLETE_FLAG) {
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flag2 = OBSOLETE_FLAG;
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spi_flash_write(env_flash,
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env_new_offset + offsetof(env_t, flags),
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sizeof(env_ptr->flags), &flag2);
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}
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if (flag1 != ACTIVE_FLAG) {
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flag1 = ACTIVE_FLAG;
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spi_flash_write(env_flash,
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env_offset + offsetof(env_t, flags),
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sizeof(env_ptr->flags), &flag1);
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}
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} else if (current_env == 2) {
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if (flag1 != OBSOLETE_FLAG) {
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flag1 = OBSOLETE_FLAG;
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spi_flash_write(env_flash,
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env_new_offset + offsetof(env_t, flags),
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sizeof(env_ptr->flags), &flag1);
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}
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if (flag2 != ACTIVE_FLAG) {
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flag2 = ACTIVE_FLAG;
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spi_flash_write(env_flash,
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env_offset + offsetof(env_t, flags),
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sizeof(env_ptr->flags), &flag2);
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}
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}
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if (gd->env_valid == 2) {
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puts("*** Warning - some problems detected "
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"reading environment; recovered successfully\n\n");
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}
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if (tmp_env1)
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free(tmp_env1);
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if (tmp_env2)
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free(tmp_env2);
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return;
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err_read:
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spi_flash_free(env_flash);
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env_flash = NULL;
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err_probe:
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err_crc:
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puts("*** Warning - bad CRC, using default environment\n\n");
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out:
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if (tmp_env1)
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free(tmp_env1);
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if (tmp_env2)
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free(tmp_env2);
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set_default_env();
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}
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#else
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int saveenv(void)
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{
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u32 saved_size, saved_offset;
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@ -144,6 +375,7 @@ err_crc:
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set_default_env();
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}
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#endif
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int env_init(void)
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{
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@ -467,7 +467,7 @@ out:
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struct spi_flash *spi_flash_probe_atmel(struct spi_slave *spi, u8 *idcode)
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{
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const struct atmel_spi_flash_params *params;
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unsigned long page_size;
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unsigned page_size;
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unsigned int family;
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struct atmel_spi_flash *asf;
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unsigned int i;
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@ -540,8 +540,9 @@ struct spi_flash *spi_flash_probe_atmel(struct spi_slave *spi, u8 *idcode)
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* params->blocks_per_sector
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* params->nr_sectors;
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debug("SF: Detected %s with page size %lu, total %u bytes\n",
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params->name, page_size, asf->flash.size);
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printf("SF: Detected %s with page size %u, total ",
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params->name, page_size);
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print_size(asf->flash.size, "\n");
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return &asf->flash;
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@ -330,8 +330,9 @@ struct spi_flash *spi_flash_probe_macronix(struct spi_slave *spi, u8 *idcode)
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mcx->flash.size = params->page_size * params->pages_per_sector
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* params->sectors_per_block * params->nr_blocks;
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printf("SF: Detected %s with page size %u, total %u bytes\n",
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params->name, params->page_size, mcx->flash.size);
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printf("SF: Detected %s with page size %u, total ",
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params->name, params->page_size);
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print_size(mcx->flash.size, "\n");
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return &mcx->flash;
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}
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@ -343,8 +343,9 @@ struct spi_flash *spi_flash_probe_spansion(struct spi_slave *spi, u8 *idcode)
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spsn->flash.size = params->page_size * params->pages_per_sector
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* params->nr_sectors;
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debug("SF: Detected %s with page size %u, total %u bytes\n",
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params->name, params->page_size, spsn->flash.size);
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printf("SF: Detected %s with page size %u, total ",
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params->name, params->page_size);
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print_size(spsn->flash.size, "\n");
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return &spsn->flash;
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}
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@ -106,7 +106,7 @@ struct spi_flash *spi_flash_probe(unsigned int bus, unsigned int cs,
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spi = spi_setup_slave(bus, cs, max_hz, spi_mode);
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if (!spi) {
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debug("SF: Failed to set up slave\n");
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printf("SF: Failed to set up slave\n");
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return NULL;
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}
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@ -147,6 +147,7 @@ struct spi_flash *spi_flash_probe(unsigned int bus, unsigned int cs,
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#endif
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#ifdef CONFIG_SPI_FLASH_STMICRO
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case 0x20:
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case 0xff: /* Let the stmicro func handle non-JEDEC ids */
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flash = spi_flash_probe_stmicro(spi, idcode);
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break;
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#endif
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@ -156,7 +157,7 @@ struct spi_flash *spi_flash_probe(unsigned int bus, unsigned int cs,
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break;
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#endif
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default:
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debug("SF: Unsupported manufacturer %02X\n", idcode[0]);
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printf("SF: Unsupported manufacturer %02X\n", idcode[0]);
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flash = NULL;
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break;
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}
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@ -364,8 +364,9 @@ spi_flash_probe_sst(struct spi_slave *spi, u8 *idcode)
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stm->flash.read = sst_read_fast;
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stm->flash.size = SST_SECTOR_SIZE * params->nr_sectors;
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debug("SF: Detected %s with page size %u, total %u bytes\n",
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params->name, SST_SECTOR_SIZE, stm->flash.size);
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printf("SF: Detected %s with page size %u, total ",
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params->name, SST_SECTOR_SIZE);
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print_size(stm->flash.size, "\n");
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/* Flash powers up read-only, so clear BP# bits */
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sst_unlock(&stm->flash);
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@ -46,6 +46,7 @@
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#define CMD_M25PXX_DP 0xb9 /* Deep Power-down */
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#define CMD_M25PXX_RES 0xab /* Release from DP, and Read Signature */
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#define STM_ID_M25P10 0x11
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#define STM_ID_M25P16 0x15
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#define STM_ID_M25P20 0x12
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#define STM_ID_M25P32 0x16
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@ -77,6 +78,13 @@ static inline struct stmicro_spi_flash *to_stmicro_spi_flash(struct spi_flash
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}
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static const struct stmicro_spi_flash_params stmicro_spi_flash_table[] = {
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{
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.idcode1 = STM_ID_M25P10,
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.page_size = 256,
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.pages_per_sector = 128,
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.nr_sectors = 4,
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.name = "M25P10",
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},
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{
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.idcode1 = STM_ID_M25P16,
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.page_size = 256,
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|
@ -316,6 +324,19 @@ struct spi_flash *spi_flash_probe_stmicro(struct spi_slave *spi, u8 * idcode)
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struct stmicro_spi_flash *stm;
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unsigned int i;
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if (idcode[0] == 0xff) {
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i = spi_flash_cmd(spi, CMD_M25PXX_RES,
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idcode, 4);
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if (i)
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return NULL;
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if ((idcode[3] & 0xf0) == 0x10) {
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idcode[0] = 0x20;
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idcode[1] = 0x20;
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idcode[2] = idcode[3] + 1;
|
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} else
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return NULL;
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}
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for (i = 0; i < ARRAY_SIZE(stmicro_spi_flash_table); i++) {
|
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params = &stmicro_spi_flash_table[i];
|
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if (params->idcode1 == idcode[2]) {
|
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|
@ -344,8 +365,9 @@ struct spi_flash *spi_flash_probe_stmicro(struct spi_slave *spi, u8 * idcode)
|
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stm->flash.size = params->page_size * params->pages_per_sector
|
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* params->nr_sectors;
|
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|
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debug("SF: Detected %s with page size %u, total %u bytes\n",
|
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params->name, params->page_size, stm->flash.size);
|
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printf("SF: Detected %s with page size %u, total ",
|
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params->name, params->page_size);
|
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print_size(stm->flash.size, "\n");
|
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|
||||
return &stm->flash;
|
||||
}
|
||||
|
|
|
@ -289,7 +289,7 @@ out:
|
|||
struct spi_flash *spi_flash_probe_winbond(struct spi_slave *spi, u8 *idcode)
|
||||
{
|
||||
const struct winbond_spi_flash_params *params;
|
||||
unsigned long page_size;
|
||||
unsigned page_size;
|
||||
struct winbond_spi_flash *stm;
|
||||
unsigned int i;
|
||||
|
||||
|
@ -325,8 +325,9 @@ struct spi_flash *spi_flash_probe_winbond(struct spi_slave *spi, u8 *idcode)
|
|||
* params->sectors_per_block
|
||||
* params->nr_blocks;
|
||||
|
||||
debug("SF: Detected %s with page size %u, total %u bytes\n",
|
||||
params->name, page_size, stm->flash.size);
|
||||
printf("SF: Detected %s with page size %u, total ",
|
||||
params->name, page_size);
|
||||
print_size(stm->flash.size, "\n");
|
||||
|
||||
return &stm->flash;
|
||||
}
|
||||
|
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