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X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org Hi all: This patchset adds support for the Loongson-2K0500/Loongson-2K1000 NAND controllers, which are similar to the Loongson-1C NAND controller. They support a maximum capacity of 16GB FLASH per chip, with a maximum page size of 8KB. The chip supports up to 4 chip selects and 4 RDY signals. The key difference between the Loongson-2K NAND controllers is that the Loongson-2K1000 explicitly configures the DMA controller routing, while the Loongson-2K0500 defaults to using APBDMA0. Summary of the patchset: Ptach 1: Rename all prefixes from ls1x to loongson Patch 2: Add 6-byte NAND ID reading Patch 3: Add chip select support Patch 4-5: Add Loongson-2K0500 NAND controller support Patch 6-7: Add Loongson-2K1000 NAND controller support Thanks. ------- V3: Patch (1/7): - Merge the first two rename patches; Patch (3/7) - Refact chip capacity calculation. Use a big switch-case for writesize, and sort the big switch-case by writesize; - Drop the redundant 'nand_cs = 0x0'; Patch (6/7) - Add Reviewed-by tag from Rob, thanks. Link to V2: https://lore.kernel.org/all/cover.1754890670.git.zhoubinbin@loongson.cn/ V2: Patch (5/8): - Add Acked-by tag from Rob, thanks; Patch (7/8): - Update reg-names attribute description. Link to V1: https://lore.kernel.org/all/cover.1753166096.git.zhoubinbin@loongson.cn/ Binbin Zhou (6): mtd: rawnand: loongson1: Rename the prefix from ls1x to loongson mtd: rawnand: loongson: Add nand chip select support dt-bindings: mtd: loongson,ls1b-nand-controller: Document the Loongson-2K0500 NAND controller mtd: rawnand: loongson: Add Loongson-2K0500 NAND controller support dt-bindings: mtd: loongson,ls1b-nand-controller: Document the Loongson-2K1000 NAND controller mtd: rawnand: loongson: Add Loongson-2K1000 NAND controller support Keguang Zhang (1): mtd: rawnand: loongson: Add 6-byte NAND ID reading support .../mtd/loongson,ls1b-nand-controller.yaml | 56 +- MAINTAINERS | 2 +- drivers/mtd/nand/raw/Kconfig | 8 +- drivers/mtd/nand/raw/Makefile | 2 +- .../mtd/nand/raw/loongson-nand-controller.c | 1021 +++++++++++++++++ .../mtd/nand/raw/loongson1-nand-controller.c | 836 -------------- 6 files changed, 1080 insertions(+), 845 deletions(-) create mode 100644 drivers/mtd/nand/raw/loongson-nand-controller.c delete mode 100644 drivers/mtd/nand/raw/loongson1-nand-controller.c base-commit: fb2fae70e7e985c4acb1ad96110d8b98bb64a87c -- 2.47.3 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/