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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 Miquel, > Expose Status Register opcodes based on the flash capabilities > discovered while parsing the SFDP QER field. > > Value '0' indicates an absence of opcode (non supported), we do not > print anything in that case. > > The QE bit is also displayed. > > Example on a W25Q02JV-M: > > $ grep opcodes -A10 /sys/kernel/debug/spi-nor/spi0.0/params > opcodes > read 0xec > dummy cycles 6 > erase 0xdc > program 0x34 > SR1 read 0x05 > SR2 read 0x35 > SR1+SR2 write 0x01 > QE SR2 bit 1 > 8D extension none > > Signed-off-by: Miquel Raynal S25HL512T: opcodes read 0xec dummy cycles 10 erase 0xd8 program 0x12 SR1 read 0x05 SR2 read 0x35 SR1+SR2 write 0x01 QE SR2 bit 1 8D extension repeat S25FS512S: opcodes read 0xec dummy cycles 10 erase 0xdc program 0x12 SR1 read 0x05 SR2 read 0x35 SR1+SR2 write 0x01 QE SR2 bit 1 8D extension none S25FL256S (no SFDP): opcodes read 0x6c dummy cycles 8 erase 0xdc program 0x12 SR1 read 0x05 SR2 read 0x35 SR1+SR2 write 0x01 QE SR2 bit 1 8D extension none S28HS512T (Octal, no QE): opcodes read 0xee dummy cycles 24 erase 0xd8 program 0x12 SR1 read 0x05 SR2 read 0x35 SR1 write 0x01 SR1+SR2 write 0x01 8D extension repeat Tested-by: Takahiro Kuwano ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/