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mtd: decommission the NAND museum
The MTD subsystem has its own small museum of ancient NANDs in a form of the CONFIG_MTD_NAND_MUSEUM_IDS configuration option. The museum contains stone age NANDs with 256 bytes pages, as well as iron age NANDs with 512 bytes per page and up to 8MiB page size. It is with great sorrow that I inform you that the museum is being decommissioned. The MTD subsystem is out of budget for Kconfig options and already has too many of them, and there is a general kernel trend to simplify the configuration menu. We remove the stone age exhibits along with closing the museum, but some of the iron age ones are transferred to the regular NAND depot. Namely, only those which have unique device IDs are transferred, and the ones which have conflicting device IDs are removed. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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2 changed files with 5 additions and 25 deletions
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@ -41,14 +41,6 @@ config MTD_SM_COMMON
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tristate
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default n
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config MTD_NAND_MUSEUM_IDS
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bool "Enable chip ids for obsolete ancient NAND devices"
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default n
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help
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Enable this option only when your board has first generation
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NAND chips (page size 256 byte, erase size 4-8KiB). The IDs
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of these chips were reused by later, larger chips.
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config MTD_NAND_DENALI
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tristate "Support Denali NAND controller"
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help
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@ -25,23 +25,11 @@
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* extended chip ID.
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*/
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struct nand_flash_dev nand_flash_ids[] = {
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#ifdef CONFIG_MTD_NAND_MUSEUM_IDS
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{"NAND 1MiB 5V 8-bit", 0x6e, 256, 1, 0x1000, SP_OPTIONS},
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{"NAND 2MiB 5V 8-bit", 0x64, 256, 2, 0x1000, SP_OPTIONS},
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{"NAND 4MiB 5V 8-bit", 0x6b, 512, 4, 0x2000, SP_OPTIONS},
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{"NAND 1MiB 3,3V 8-bit", 0xe8, 256, 1, 0x1000, SP_OPTIONS},
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{"NAND 1MiB 3,3V 8-bit", 0xec, 256, 1, 0x1000, SP_OPTIONS},
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{"NAND 2MiB 3,3V 8-bit", 0xea, 256, 2, 0x1000, SP_OPTIONS},
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{"NAND 4MiB 3,3V 8-bit", 0xd5, 512, 4, 0x2000, SP_OPTIONS},
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{"NAND 4MiB 3,3V 8-bit", 0xe3, 512, 4, 0x2000, SP_OPTIONS},
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{"NAND 4MiB 3,3V 8-bit", 0xe5, 512, 4, 0x2000, SP_OPTIONS},
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{"NAND 8MiB 3,3V 8-bit", 0xd6, 512, 8, 0x2000, SP_OPTIONS},
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{"NAND 8MiB 1,8V 8-bit", 0x39, 512, 8, 0x2000, SP_OPTIONS},
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{"NAND 8MiB 3,3V 8-bit", 0xe6, 512, 8, 0x2000, SP_OPTIONS},
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{"NAND 8MiB 1,8V 16-bit", 0x49, 512, 8, 0x2000, SP_OPTIONS16},
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{"NAND 8MiB 3,3V 16-bit", 0x59, 512, 8, 0x2000, SP_OPTIONS16},
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#endif
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{"NAND 4MiB 5V 8-bit", 0x6B, 512, 4, 0x2000, SP_OPTIONS},
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{"NAND 4MiB 3,3V 8-bit", 0xE3, 512, 4, 0x2000, SP_OPTIONS},
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{"NAND 4MiB 3,3V 8-bit", 0xE5, 512, 4, 0x2000, SP_OPTIONS},
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{"NAND 8MiB 3,3V 8-bit", 0xD6, 512, 8, 0x2000, SP_OPTIONS},
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{"NAND 8MiB 3,3V 8-bit", 0xE6, 512, 8, 0x2000, SP_OPTIONS},
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{"NAND 16MiB 1,8V 8-bit", 0x33, 512, 16, 0x4000, SP_OPTIONS},
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{"NAND 16MiB 3,3V 8-bit", 0x73, 512, 16, 0x4000, SP_OPTIONS},
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