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https://github.com/Fishwaldo/u-boot.git
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Merge branch 'master' of git://git.denx.de/u-boot-cfi-flash
This commit is contained in:
commit
855efd04e4
2 changed files with 60 additions and 6 deletions
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@ -102,6 +102,10 @@
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#define AMD_STATUS_TOGGLE 0x40
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#define AMD_STATUS_ERROR 0x20
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#define ATM_CMD_UNLOCK_SECT 0x70
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#define ATM_CMD_SOFTLOCK_START 0x80
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#define ATM_CMD_LOCK_SECT 0x40
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#define FLASH_OFFSET_MANUFACTURER_ID 0x00
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#define FLASH_OFFSET_DEVICE_ID 0x01
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#define FLASH_OFFSET_DEVICE_ID2 0x0E
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@ -1350,12 +1354,45 @@ int flash_real_protect (flash_info_t * info, long sector, int prot)
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{
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int retcode = 0;
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flash_write_cmd (info, sector, 0, FLASH_CMD_CLEAR_STATUS);
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flash_write_cmd (info, sector, 0, FLASH_CMD_PROTECT);
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if (prot)
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flash_write_cmd (info, sector, 0, FLASH_CMD_PROTECT_SET);
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else
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flash_write_cmd (info, sector, 0, FLASH_CMD_PROTECT_CLEAR);
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switch (info->vendor) {
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case CFI_CMDSET_INTEL_PROG_REGIONS:
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case CFI_CMDSET_INTEL_STANDARD:
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flash_write_cmd (info, sector, 0,
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FLASH_CMD_CLEAR_STATUS);
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flash_write_cmd (info, sector, 0, FLASH_CMD_PROTECT);
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if (prot)
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flash_write_cmd (info, sector, 0,
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FLASH_CMD_PROTECT_SET);
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else
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flash_write_cmd (info, sector, 0,
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FLASH_CMD_PROTECT_CLEAR);
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break;
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case CFI_CMDSET_AMD_EXTENDED:
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case CFI_CMDSET_AMD_STANDARD:
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#ifdef CONFIG_FLASH_CFI_LEGACY
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case CFI_CMDSET_AMD_LEGACY:
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#endif
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/* U-Boot only checks the first byte */
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if (info->manufacturer_id == (uchar)ATM_MANUFACT) {
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if (prot) {
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flash_unlock_seq (info, 0);
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flash_write_cmd (info, 0,
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info->addr_unlock1,
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ATM_CMD_SOFTLOCK_START);
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flash_unlock_seq (info, 0);
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flash_write_cmd (info, sector, 0,
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ATM_CMD_LOCK_SECT);
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} else {
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flash_write_cmd (info, 0,
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info->addr_unlock1,
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AMD_CMD_UNLOCK_START);
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if (info->device_id == ATM_ID_BV6416)
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flash_write_cmd (info, sector,
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0, ATM_CMD_UNLOCK_SECT);
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}
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}
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break;
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};
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if ((retcode =
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flash_full_status_check (info, sector, info->erase_blk_tout,
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@ -234,6 +234,23 @@ static const struct amd_flash_info jedec_table[] = {
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ERASEINFO(0x10000,7),
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}
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},
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{
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.mfr_id = MANUFACTURER_AMD,
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.dev_id = AM29LV800BB,
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.name = "AMD AM29LV800BB",
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.uaddr = {
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[1] = MTD_UADDR_0x0555_0x02AA /* x16 */
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},
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.DevSize = SIZE_1MiB,
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.CmdSet = CFI_CMDSET_AMD_LEGACY,
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.NumEraseRegions= 4,
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.regions = {
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ERASEINFO(0x04000, 1),
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ERASEINFO(0x02000, 2),
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ERASEINFO(0x08000, 1),
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ERASEINFO(0x10000, 15),
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}
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},
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#endif
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};
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